CN103456527A - Switch dustproof limiting device - Google Patents
Switch dustproof limiting device Download PDFInfo
- Publication number
- CN103456527A CN103456527A CN2013103937384A CN201310393738A CN103456527A CN 103456527 A CN103456527 A CN 103456527A CN 2013103937384 A CN2013103937384 A CN 2013103937384A CN 201310393738 A CN201310393738 A CN 201310393738A CN 103456527 A CN103456527 A CN 103456527A
- Authority
- CN
- China
- Prior art keywords
- hole
- spacing
- cover plate
- pedestal
- dustproof
- 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.)
- Granted
Links
Images
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides a switch dustproof limiting device, in particular to a switch dustproof limiting device which can still ensure safe, stable and effective operation and use of a small omnipotent change-over switch in dust rampancy regions. The switch dustproof limiting device is composed by splicing a limiting base and a limiting cover board. When the limiting base and the limiting cover board are spliced, a protection wall arranged on the limiting base and the limiting cover board is embedded into a protection groove, a splicing boss is embedded into a splicing groove, a connection boss is embedded into a connection hole, and a barrier is formed. Thus, dust is prevented from entering the switch dustproof limiting device.
Description
Technical field
The present invention relates to a kind of switch limiting device, particularly a kind ofly wreak havoc area at sand and dust and still can guarantee Miniature universal change over switch safety, the dustproof stopping means of switch stable, that effectively move and use.
Background technology
The Miniature universal change over switch be a kind of for two-way or two-way the switch with power source or load transfer, obtained in daily life using widely.The dustproof stopping means of switch is that the Miniature universal change over switch carries out spacing main carriers and strength member when switching, and its quality has just determined the quality of universal seclector performance.
The dustproof stopping means of existing switch does not generally design special anti-dust measure; when service time is long or use in larger environment at sand and dust; switch inside tends to accumulate the grains of sand or dust; thereby it is dumb that switch is rotated; switching over is bad; not only affect the performance of switch, and easily caused fault and the danger such as paralysis and personnel death of control appliance or electrical network.
If overcome these shortcomings of the dustproof stopping means of switch, just must give its additional external protector, but this both can increase the triviality of installation, was unfavorable for that again control appliance develops to the miniaturization integrated direction.
Summary of the invention
The present invention carries out in order to address the above problem, and purpose is to provide a kind of dustproof stopping means of switch with anti-sand structure.
To achieve these goals, the present invention has adopted following structure:
A kind of switch stopping means that prevents dust is characterized in that: comprises, and spacing pedestal (100), profile is rectangle, each angle is 45 degree chamferings, has spacing pedestal Mosaic face (101), spacing cover plate (200), profile is consistent with the profile of spacing pedestal (100), has spacing cover plate junction (201), wherein, spacing pedestal Mosaic face (101) has protruding protection walls (102), protection walls (102) is close to the outline edge setting of spacing pedestal (100), protection walls (102) has the breach (103a of two symmetries, 103b), spacing pedestal Mosaic face (101) has the connecting through hole (104a of two symmetries, 104b), be arranged on breach (103a, 103b) locate, the centre limited location pedestal through hole (105) of spacing pedestal Mosaic face (101), spacing pedestal through hole (105) and connecting through hole (104a, symmetrically 104b) respectively be provided with a positive stop lug boss (106a, 106b), positive stop lug boss (106a, 106b) the upper symmetrical at least two pairs of limited impressions (107) that are provided with, spacing pedestal through hole (105) medianly zygomorphic respectively is provided with a gear type hole (108a, 108b), the inside of spacing cover plate (200) has and gear type hole (108a, nut bore (the 208a that position 108b) is corresponding with shape, 208b), the inside of spacing cover plate (200) has and positive stop lug boss (106a, the limit mounting concave station (206) that position 106b) is corresponding with shape, spacing cover plate Mosaic face (201) has the protective trough (202) corresponding with the position of protection walls (102) and shape, spacing cover plate Mosaic face (201) has and connecting through hole (104a, the columniform connection boss (204a that position 104b) is corresponding with shape, 204b), spacing cover plate Mosaic face (201) has the spacing cover plate through hole (205) corresponding with the position of spacing pedestal through hole (105) and shape, when spacing pedestal Mosaic face (101) splices with spacing cover plate Mosaic face (201), protection walls (102) embeds in protective trough (202), connect boss (204a, 204b) embed connecting through hole (104a, 104b), positive stop lug boss (106a, 106b) embed limit mounting concave station (206).
The invention provides the dustproof stopping means of a kind of switch, can also have such feature: the cross section of protection walls (102) is rectangle.
In addition, the invention provides the dustproof stopping means of a kind of switch, can also have such feature: positive stop lug boss (106a, 106b) is arc.
In addition, the invention provides the dustproof stopping means of a kind of switch, can also have such feature: spacing pedestal through hole (105) is provided with circlip groove (105a), in circlip groove (105a), is provided with packing ring.
In addition, the invention provides the dustproof stopping means of a kind of switch, can also have such feature: spacing cover plate through hole (205) is provided with gasket groove (205a), in gasket groove (205a), is provided with packing ring.
In addition, the invention provides the dustproof stopping means of a kind of switch, can also there is such feature: also comprise rotating shaft (301), nut (302), limited part one (303), limited part two (304), eccentric wheel (305), wherein, rotating shaft (301) is through spacing pedestal through hole (105), two nuts (302) are arranged at nut bore (208a, 208b), limited part two (304) is annulus, center is provided with centre bore (304c), profile have can with positive stop lug boss (106a, protuberance (304a 106b) be complementary, 304b), be arranged in limit mounting concavo-convex (206), centre bore is concentric with spacing pedestal through hole (105), limited part one (303) is arranged on the internal diameter of limited part two (304) at an angle to the direction of spacing cover plate (200), eccentric wheel (305) is annulus, center has through hole, profile has the locating part (306) of the projection be complementary with limited part one (303), be arranged in centre bore (304c), through hole is concentric with spacing pedestal through hole (105).
Invention effect and effect
According to the dustproof stopping means of switch provided by the invention, because the dustproof stopping means of switch is comprised of spacing pedestal and spacing cover plate splice, during splicing, the protection walls arranged on spacing pedestal and spacing cover plate embeds protective trough, connect boss and embed connecting through hole, it is concavo-convex that positive stop lug boss embeds limit mounting, formed barrier one, stop sand and dust to enter the dustproof stopping means of switch inside, so, the dustproof stopping means of this switch has anti-dust effect, the area that outer exterior protection device just can be larger at sand and dust without plus is used or is used for a long time and do not advance sand and dust, effectively in the expansion environment for use, do not increasing installing space, being convenient to control appliance develops to the miniaturization integrated direction.
The accompanying drawing explanation
Fig. 1 is the present invention's main TV structure schematic diagram of spacing pedestal in an embodiment;
The A-A that Fig. 2 is Fig. 1 is to the sectional structure schematic diagram;
The B-B that Fig. 3 is Fig. 1 is to the sectional structure schematic diagram;
Fig. 4 is the present invention's main TV structure schematic diagram of spacing cover plate in an embodiment;
The A-A that Fig. 5 is Fig. 3 is to the sectional structure schematic diagram;
The B-B that Fig. 6 is Fig. 3 is to the sectional structure schematic diagram;
The C-C that Fig. 7 is Fig. 3 is to the sectional structure schematic diagram;
Fig. 8 is the present invention's structural representation of the dustproof stopping means of switch in an embodiment;
The A-A that Fig. 9 is Fig. 7 is to the sectional structure schematic diagram;
Figure 10 is the present invention's structural representation of the limited part of the dustproof stopping means of switch in an embodiment;
The A-A that Figure 11 is Figure 10 is to the sectional structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the dustproof stopping means of switch the present invention relates to is described in detail.
Embodiment
Comprise: spacing pedestal 100, spacing cover plate 200, rotating shaft 301, nut 302, limited part 1, limited part 2 304, eccentric wheel 305.
Fig. 1 is the present invention's main TV structure schematic diagram of spacing pedestal in an embodiment;
The A-A that Fig. 2 is Fig. 1 is to the sectional structure schematic diagram;
The B-B that Fig. 3 is Fig. 1 is to the sectional structure schematic diagram.
Spacing pedestal as shown in Figure 1, 2, 3, the profile of spacing pedestal 100 is rectangle, has carried out at four angles of rectangle is 45 degree chamferings.The face of spacing pedestal 100 and 200 splicings of spacing cover plate is for having spacing pedestal Mosaic face 101.
Spacing pedestal Mosaic face 101 has protruding protection walls 102, the outline edge setting of the spacing pedestal 100 of protection walls 102 next-door neighbour, the shape of protection walls 102 is similar to the outer shape of positioning splicing face, the cross section of protection walls 102 is rectangle, protection walls 102 has two axial symmetry breach, is respectively 103a, 103b.
Spacing pedestal Mosaic face 101 is connecting through hole 104a and the 104b of two symmetries of tool also, is arranged on breach 103a and 103b place.
The centre limited location pedestal through hole 105 of spacing pedestal Mosaic face 101, spacing pedestal through hole 105 is provided with circlip groove 105a, a symmetrical positive stop lug boss 106a and the 106b of respectively being provided with between spacing pedestal through hole 105 and connecting through hole 104a and 104b, positive stop lug boss 106a and 106b are arc, all symmetrically respectively on positive stop lug boss 106a and 106b be provided with two pairs of limited impressions 107
A medianly zygomorphic gear type hole 108a and the 108b of respectively being provided with of spacing pedestal through hole 105, the degree of depth to spacing pedestal 100 inner stretching, extensions of the tooth 109 on gear type hole 108a and 108b is less than the total depth of spacing pedestal 100.
Fig. 4 is the present invention's main TV structure schematic diagram of spacing cover plate in an embodiment;
The A-A that Fig. 5 is Fig. 4 is to the sectional structure schematic diagram;
The B-B that Fig. 6 is Fig. 4 is to the sectional structure schematic diagram;
The C-C that Fig. 7 is Fig. 4 is to the sectional structure schematic diagram.
Spacing cover plate as shown in Fig. 4,5,6,7, the profile of spacing cover plate 200 is rectangle, and has carried out at four angles of rectangle is 45 degree chamferings, and the profile of the profile of spacing cover plate 200 and spacing pedestal 100 is in full accord.Spacing cover plate 200 is spacing cover plate junction 201 with the face of spacing pedestal 100 splicings.The inside of spacing cover plate 200 has nut bore 208a and the 208b corresponding with the position of gear type hole 108a and 108b and shape.
The inside of spacing cover plate 200 also has the limit mounting concave station 206 corresponding with the position of positive stop lug boss 106a and 106b and shape, when spacing pedestal Mosaic face 101 splices with spacing cover plate Mosaic face 201, positive stop lug boss 106a and 106b embed limit mounting concave station 206.
Spacing cover plate Mosaic face 201 has protective trough 202, the outline edge setting of the spacing cover plate 200 of protective trough 202 next-door neighbour, the rank street face of protective trough 202 is rectangle, the position of protective trough 202 and shape phase are corresponding with protection walls 102, when spacing pedestal Mosaic face 101 splices with spacing cover plate Mosaic face 201, protection walls 102 embeds in protective troughs 202.
Spacing cover plate Mosaic face 201 also has columniform connection boss 204a and the 204b corresponding with the position of connecting through hole 104a and 104b and shape, when spacing pedestal Mosaic face 101 splices with spacing cover plate Mosaic face 201, connect boss 204a and 204b and embed in connecting through hole 104a and 104b.
Spacing cover plate Mosaic face 201 also has the spacing cover plate through hole 205 corresponding with the position of spacing pedestal through hole 105 and shape, and spacing cover plate through hole 205 is provided with gasket groove 205a.
Fig. 8 is the present invention's structural representation of the dustproof stopping means of switch in an embodiment;
The A-A that Fig. 9 is Fig. 7 is to the sectional structure schematic diagram;
Figure 10 is the present invention's structural representation of the limited part of the dustproof stopping means of switch in an embodiment;
The A-A that Figure 11 is Figure 10 is to the sectional structure schematic diagram.
The stopping means that prevents dust of switch as shown in Figure 8 and Figure 9, the dustproof stopping means of switch is upper and lower axially symmetric structure, and the first half of axle is set forth, the latter half structure is identical, no longer elaborates.
Rotating shaft 301 is through spacing pedestal through hole 105 and spacing cover plate through hole 205.
Be provided with back-up ring in circlip groove 105a on spacing pedestal through hole 105.
Be provided with packing ring in gasket groove 205a on spacing cover plate through hole 205.
Two nuts 302 are arranged in the nut bore 208a and 208b in spacing cover plate 200.
Limited part 2 304 is annulus, center is provided with centre bore 304c, centre bore 304 is concentric with spacing pedestal through hole 105, can make rotating shaft 301 pass through, profile has protuberance 304a and the 304b that can be complementary with positive stop lug boss 106a and 106b, after being arranged in limit mounting concave station 206 by limited part 2 304, two protuberance 304a and 304b on limited part 2 304 just in time embed in the limited impression 107 on positive stop lug boss 106a and 106b.
Limited part 1 is arranged on the internal diameter of limited part 2 304, to the direction perk at an angle of spacing cover plate 200.
The present invention's operation principle of the dustproof stopping means of switch in an embodiment is as follows:
Due to being fixed in limit mounting concave station 206 that the limited part 2 304 with limited part 1 is embedded into, and the locating part 306 that there is the projection be complementary with limited part 1 on eccentric wheel 305, so, when rotating shaft 301 is rotated, rotating shaft 301 is with movable eccentric wheel 305 left or after certain angle that turns right, locating part 306 on eccentric wheel 305 touches mutually with limited part 1 or limited part 2 304, has hindered being rotated further of eccentric wheel 305, has played spacing effect.
When working in than overall situation at sand and dust or operating time when long, if there is no anti-dust measure, the Miniature universal change over switch just easily is out of order.If the locating part 306 on eccentric wheel 305 touches mutually face with limited part 1 or limited part 2 304 and is stained with sand and dust, or be stained with sand and dust in centre bore 304c, capital causes that eccentric wheel 305 rotational angles have deviation can not arrive predetermined orientation angle, cause operation not in place, in limit mounting concave station 206, sand and dust are arranged simultaneously, can increase the rotational resistance of eccentric wheel 305, even can cause eccentric wheel 305 and limited part 2 304 or limited part 1 mutually stuck, the phenomenon that can't rotate, thus make switch failure.
The effect of embodiment and effect
The switch provided according to the present embodiment stopping means that prevents dust, because the dustproof stopping means of switch is comprised of spacing pedestal and spacing cover plate splice, during splicing, the protection walls arranged on spacing pedestal and spacing cover plate embeds protective trough, connect boss and embed connecting through hole, positive stop lug boss embeds the limit mounting concave station, formed barrier one, stop sand and dust to enter the dustproof stopping means of switch inside, so, the dustproof stopping means of this switch has anti-dust effect, the area that outer exterior protection device just can be larger at sand and dust without plus is used or is used for a long time and do not advance sand and dust, avoiding increasing the eccentric wheel rotational angle has deviation can not arrive predetermined orientation angle, cause operation not in place, prevent, in the limit mounting concave station, sand and dust are arranged simultaneously, can increase the rotational resistance of eccentric wheel 305, even can cause eccentric wheel and limited part two or limited part one mutually stuck, the phenomenon that can't rotate, thereby make switch failure, make increase considerably the useful life in the area that switch is larger at sand and dust, effectively in the expansion environment for use, do not increasing installing space, being convenient to control appliance develops to the miniaturization integrated direction.
Claims (6)
1. the dustproof stopping means of a switch is characterized in that: comprises,
Spacing pedestal (100), profile is rectangle, each angle is 45 degree chamferings, has spacing pedestal Mosaic face (101);
Spacing cover plate (200), profile is consistent with the profile of described spacing pedestal (100), has spacing cover plate junction (201);
Wherein, described spacing pedestal Mosaic face (101) has protruding protection walls (102), and described protection walls (102) is close to the outline edge setting of described spacing pedestal (100), and described protection walls (102) has the breach (103a, 103b) of two symmetries,
Described spacing pedestal Mosaic face (101) has the connecting through hole (104a, 104b) of two symmetries, and be arranged on described breach (103a, 103b) and locate,
The centre limited location pedestal through hole (105) of described spacing pedestal Mosaic face (101), the symmetrical positive stop lug boss (106a, 106b) that respectively is provided with between described spacing pedestal through hole (105) and described connecting through hole (104a, 104b), described positive stop lug boss (106a, 106b) is upper symmetrical is provided with at least two pairs of limited impressions (107)
The medianly zygomorphic gear type hole (108a, 108b) that respectively is provided with of described positioning through hole (105);
The inside of described spacing cover plate (200) has the nut bore (208a, 208b) corresponding with the position of described gear type hole (108a, 108b) and shape,
The inside of described spacing cover plate (200) has the limit mounting concave station (206) corresponding with the position of described positive stop lug boss (106a, 106b) and shape,
Described spacing cover plate Mosaic face (201) has the protective trough (202) corresponding with the position of described protection walls (102) and shape,
Described spacing cover plate Mosaic face (201) has the columniform connection boss (204a, 204b) corresponding with the position of described connecting through hole (104a, 104b) and shape,
Described spacing cover plate Mosaic face (201) has the spacing cover plate through hole (205) corresponding with the position of spacing pedestal through hole (105) and shape,
When described spacing pedestal Mosaic face (101) splices with spacing cover plate Mosaic face (201), described protection walls (102) embeds in described protective trough (202), connect boss (204a, 204b) and embed in described connecting through hole (104a, 104b), described positive stop lug boss (106a, 106b) embeds described limit mounting concave station (206).
2. the dustproof stopping means of switch according to claim 1 is characterized in that:
Wherein, the cross section of described protection walls (102) is rectangle.
3. the dustproof stopping means of switch according to claim 1 is characterized in that:
Wherein, described positive stop lug boss (106a, 106b) is arc.
4. the dustproof stopping means of switch according to claim 1 is characterized in that:
Wherein, described spacing pedestal through hole (105) is provided with circlip groove (105a), in described circlip groove (105a), is provided with packing ring.
5. the dustproof stopping means of switch according to claim 4 is characterized in that:
Wherein, described spacing cover plate through hole (205) is provided with gasket groove (205a), in described gasket groove (205a), is provided with packing ring.
6. according to the dustproof stopping means of the described switch of any one in claim 1,2 and 3, it is characterized in that, also comprise:
Rotating shaft (301), two nuts (302), limited part one (303), limited part two (3 04), eccentric wheel (305);
Wherein, described spacing pedestal through hole (105) and spacing panel through hole (205) are passed in described rotating shaft (301),
Two described nuts (302) are arranged in described nut bore (208a, 208b),
Described limited part two (304) is annulus, center is provided with centre bore (304c), profile has the protuberance (304a, 304b) that can be complementary with described positive stop lug boss (106a, 106b), be arranged in limit mounting groove (206), described centre bore (304c) is concentric with described spacing pedestal through hole (105)
Described limited part one (303) is arranged on the internal diameter of described limited part two (304) at an angle to the direction of described spacing cover plate (200),
Described eccentric wheel (305) is annulus, center has through hole, profile has the locating part (306) of the projection be complementary with described limited part one (303), is arranged in described centre bore (304c), and described through hole is concentric with described spacing pedestal through hole (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393738.4A CN103456527B (en) | 2013-09-02 | 2013-09-02 | Dustproof switch stopping means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393738.4A CN103456527B (en) | 2013-09-02 | 2013-09-02 | Dustproof switch stopping means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103456527A true CN103456527A (en) | 2013-12-18 |
| CN103456527B CN103456527B (en) | 2016-03-09 |
Family
ID=49738785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310393738.4A Expired - Fee Related CN103456527B (en) | 2013-09-02 | 2013-09-02 | Dustproof switch stopping means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103456527B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255533A (en) * | 2020-02-24 | 2020-06-09 | 中国航发沈阳发动机研究所 | Hole plugging structure and driving tool thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB594055A (en) * | 1946-06-25 | 1947-10-31 | Herbert Bagshaw Prentice | Improvements in or relating to electric switches |
| DE871022C (en) * | 1942-10-17 | 1953-03-19 | Starkstrom Appbau G M B H | Cam roller switch |
| JPH0287431A (en) * | 1988-09-24 | 1990-03-28 | Fuji Denki Kogyo Kk | Cam switch |
| CN2796061Y (en) * | 2005-04-11 | 2006-07-12 | 上海伊莱克斯实业有限公司 | Dust-proof universal conversion switch |
| CN2862292Y (en) * | 2005-10-31 | 2007-01-24 | 上海伊莱克斯实业有限公司 | Dust prevention alternation switch |
| CN203134608U (en) * | 2013-01-08 | 2013-08-14 | 上海伊莱克斯实业有限公司 | Contact pedestal for miniature universal change-over switch |
-
2013
- 2013-09-02 CN CN201310393738.4A patent/CN103456527B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE871022C (en) * | 1942-10-17 | 1953-03-19 | Starkstrom Appbau G M B H | Cam roller switch |
| GB594055A (en) * | 1946-06-25 | 1947-10-31 | Herbert Bagshaw Prentice | Improvements in or relating to electric switches |
| JPH0287431A (en) * | 1988-09-24 | 1990-03-28 | Fuji Denki Kogyo Kk | Cam switch |
| CN2796061Y (en) * | 2005-04-11 | 2006-07-12 | 上海伊莱克斯实业有限公司 | Dust-proof universal conversion switch |
| CN2862292Y (en) * | 2005-10-31 | 2007-01-24 | 上海伊莱克斯实业有限公司 | Dust prevention alternation switch |
| CN203134608U (en) * | 2013-01-08 | 2013-08-14 | 上海伊莱克斯实业有限公司 | Contact pedestal for miniature universal change-over switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255533A (en) * | 2020-02-24 | 2020-06-09 | 中国航发沈阳发动机研究所 | Hole plugging structure and driving tool thereof |
| CN111255533B (en) * | 2020-02-24 | 2022-05-06 | 中国航发沈阳发动机研究所 | Hole plugging structure and driving tool thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103456527B (en) | 2016-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103441012A (en) | Switch dust prevention positioning device | |
| CN103456527A (en) | Switch dustproof limiting device | |
| CN203423086U (en) | Dustproof switch stop system | |
| CN105485197A (en) | Torque limiter provided with elastic membrane coupling | |
| CN105352679A (en) | Fiber-type water leakage detection device | |
| CN203481088U (en) | Dustproof switch automatic-reset system | |
| CN203481087U (en) | Dustproof switch positioning system | |
| CN204946757U (en) | A kind of auxiliary switch with indicating positions state | |
| CN203134608U (en) | Contact pedestal for miniature universal change-over switch | |
| CN103474267A (en) | Dustproof switch auto-resetting device | |
| WO2015096792A1 (en) | Stator core of electrical motor and electrical motor | |
| CN102707728B (en) | Sports limiting device and motion light fixture for light fixture | |
| CN204859424U (en) | Valve room change of current valve monitoring devices | |
| CN103456431A (en) | Basin-type insulator and high-voltage switch with same | |
| CN206322654U (en) | A kind of circuit breaker transmission device | |
| CN206329061U (en) | One kind is easy to the inclined wall support mechanism of angle | |
| CN204391009U (en) | Circuit breaker | |
| CN105590565B (en) | System is turned in a kind of three faces | |
| CN205687377U (en) | A kind of handrail elevator security protection system | |
| CN104834323A (en) | Over-stroke mechanical protecting device for full-automatic sun tracker | |
| CN204832965U (en) | Angle lead limit switch | |
| CN205406029U (en) | Increase of service life's advertising system | |
| CN105590566B (en) | A kind of ad system increased the service life | |
| CN102720492A (en) | Development machine and on-off state detecting device of development machine | |
| CN201655577U (en) | Auxiliary switch with indicating dial |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20200902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |