CN201132087Y - Filter and protection switch - Google Patents
Filter and protection switch Download PDFInfo
- Publication number
- CN201132087Y CN201132087Y CNU2007201784613U CN200720178461U CN201132087Y CN 201132087 Y CN201132087 Y CN 201132087Y CN U2007201784613 U CNU2007201784613 U CN U2007201784613U CN 200720178461 U CN200720178461 U CN 200720178461U CN 201132087 Y CN201132087 Y CN 201132087Y
- Authority
- CN
- China
- Prior art keywords
- guide rod
- box body
- filter
- top cover
- switch
- 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.)
- Expired - Lifetime
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a filter and the protection switch thereof. The filter comprises an outer casing, a filter element arranged in the outer casing, a top cover covered on the outer casing, a fastening piece connected on the casing and propped against the top cover, and a protection switch, wherein the protection switch comprises a box body, an inductive switch arranged in the box body and a guide rod arranged in the box body through a spring and provided with one end extended out of the box body, and the switch knob of the inductive switch is arranged under the outer convex part of the guide rod. The protective switch is fixed on the pulling arm of the fastening piece, and the upper end of the guide rod is arranged under the pressing block of the fastening piece , when the top cover is not completely pressed, the pulling arm descends, the guide rod of the protection switch is separated from the pressing of the pressing block, under the action of the spring, the guide rod is lifted and separated from the switch knob of the inductive switch, and the inductive switch is cut off and alarming is produced, and the PCB equipment stops to work, therefore, the potential safety hazard can be prevented because liquor is continued to be infused into the filter through the PCD equipment under the circumstance that the top cover is not completely pressed.
Description
[technical field]
The utility model relates to the filter technical field, refers in particular to a kind of filter and is applied to the protection switch of this filter.
[background technology]
At printed circuit board (PCB) (Printed Circuit Board; PCB) in the manufacture process; the soup that is sprayed on the printed circuit board (PCB) need filter out wherein impurity through filter usually; common filter is mainly by a shell with inlet and liquid outlet; one is arranged at the filtering core in the shell; one is covered on top cover and on the shell is arranged on the shell and the securing member that is pressed in top cover is formed; in operation; in order to guarantee the correct setting of top cover; prevent under the situation that top cover does not install, to open machine; filter also is provided with a protection switch; when top cover did not set, protection switch disconnected warning and machine is quit work.As State Intellectual Property Office in April in 2004 Granted publication on the 14th the patent No. be that the utility model patent of ZL02271769.2 promptly discloses a kind of filter that is provided with protection switch; correspondence position between its shell and the securing member is provided with a pair of magnetic switch; when top cover does not cover when compressing; distance between two magnets of magnetic switch surpasses distance of reaction; magnetic switch disconnects and liquid pump is quit work; prevent the leaked liquid in the filter, guarantee the security of operating.In the above-mentioned filter, two magnets certain distance at interval just can make magnetic switch disconnect, when securing member urges top cover but does not compress top cover fully, between two magnets apart from deficiency so that magnetic switch disconnect, but top cover is not compressed again fully, so cause filter to have the potential safety hazard of soup seepage.
[summary of the invention]
The purpose of this utility model is to overcome the existing existing defective of filter, and a kind of filter safe in utilization is provided.
Another purpose of the present utility model is to provide a kind of protection switch, and it is applied among the filter, to improve the security performance of filter.
The purpose of this utility model is achieved in that a kind of filter, include shell, filtering core, top cover, securing member and protection switch, wherein, described shell has inlet and liquid outlet, its outer surface is fixed with the relative contiguous block of two positions, is formed with the socket part on the described contiguous block; Described filtering core is arranged at described enclosure, and its entrance point is connected with the inlet of described shell; Described top cover is covered on the upper end of described shell; Described securing member includes torque arm and the fastening handle that binding, two is connected in described binding, be formed with the sleeve joint hole of diameter in the described torque arm greater than described socket part diameter, described sleeve joint hole is inserted in described socket part and in the outside of described socket part fixes a briquetting, described fastening handle has and is formed with the externally threaded end that is spirally connected, described binding has the female bolt apertures of formation, and the described end that is spirally connected screws togather and passes described bolt apertures and is connected to described top cover; Described protection switch includes box body, inductive switch and guide rod, described inductive switch is arranged in the described box body, it is electrically connected on the control device of PCB equipment by output line, described guide rod is arranged in the described box body by a spring, the one end stretches out outside the described box body, the upper end of described guide rod is formed with male part, and the release knob of described inductive switch is positioned at the below of the male part of described guide rod; Described protection switch is fixed in the torque arm of described securing member, the below of the briquetting of the upper end securing member that the position is set forth in of described guide rod.
In the above-mentioned filter, the lower end outer surface of described filtering core is provided with sealing ring between the inner surface of the inlet of itself and described shell.
In the above-mentioned filter, the lower surface of described top cover is formed with the groove that the upper end with described shell is complementary, and is provided with sealing ring in the described groove, and be inserted among described groove the upper end of described shell.
In the above-mentioned filter, the last end face of described top cover is provided with a bearing part with recess, and the end that is spirally connected of described fastening handle is connected to the recess of described bearing part.
A kind of protection switch; include box body, inductive switch and guide rod; described inductive switch is arranged in the described box body; it is electrically connected on the control device of PCB equipment by output line; described guide rod is arranged in the described box body by a spring; the one end stretches out outside the described box body, and the upper end of described guide rod is formed with male part, and the release knob of described inductive switch is positioned at the below of the male part of described guide rod.
In the above-mentioned protection switch, described box body is made up of end box and the cover that is covered on the box of the described end.
The beneficial effects of the utility model are: when fastening handle does not compress top cover fully; torque arm descends; the guide rod of protection switch breaks away from the compressing of briquetting; rise and make its male part break away from the release knob of inductive switch at the effect lower guide rod of spring; inductive switch disconnects and the generation warning; PCB equipment quits work, so can prevent that PCB equipment continuation filling in filter causes potential safety hazard towards soup under the situation that top cover does not compress fully, improves the security of operation.
[description of drawings]
Below in conjunction with drawings and Examples the utility model is described further.
Fig. 1 is the structure of filter schematic diagram.
Fig. 2 is the structural representation of protection switch.
[specific embodiment]
Soup and other solution that filter disclosed in the utility model can be used for filtering in course of manufacturing printed circuit board and used.
With reference to illustrated in figures 1 and 2, filter includes shell 10, filtering core 12, top cover 14, securing member 16 and protection switch 18, wherein, shell 10 has inlet 100 and liquid outlet (not illustrating among the figure), its outer surface is fixed with the relative contiguous block of two positions 101, is formed with socket part 102 on the contiguous block 101; Filtering core 12 is arranged at shell 10 inside, and its entrance point is connected with the inlet 100 of shell 10; Top cover 14 is covered on the upper end of shell 10; Securing member 16 includes torque arm 161 and the fastening handle 162 that binding 160, two is connected in binding 160, be formed with the sleeve joint hole 163 of diameter in the torque arm 161 greater than socket part 102 diameters, sleeve joint hole 163 be inserted in the socket part 102 and in the socket part 102 the outside fix a briquetting 103, and realize that securing member 16 is connected on the shell 10 in mobilizable mode, fastening handle 162 have be formed with externally threaded be spirally connected the end 164, binding 160 has the female bolt apertures 165 of formation, and the end 164 that is spirally connected screws togather and passes bolt apertures 165 and is connected to top cover 14; Protection switch 18 includes box body 180, inductive switch 181 and guide rod 182, box body 180 is made up of end box and the cover that is covered on the end box, inductive switch 181 is arranged in the box body 180, it is electrically connected on the control device of PCB equipment by output line 183, guide rod 182 is arranged in the box body 180 by a spring 184, the one end stretches out outside the box body 180, and the upper end of guide rod 182 is formed with male part 185, and the release knob 186 of inductive switch 181 is positioned at the below of the male part 185 of guide rod 182; Protection switch 18 is fixed in the torque arm 161 of securing member 16, and the upper end of its guide rod 182 is positioned at the below of the briquetting 103 of securing member 16.
Screw togather fastening handle 162; make it compress the effect that top cover 14 plays can 10; thereby prevent that soup from leaking out filter and causing potential safety hazard outward; driving torque arm 161 when screwing togather fastening handle 162 rises; and then drive protection switch 18 risings, because the rising of protection switch 18, briquetting 103 presses down guide rod 182 and makes its contraction; the release knob 186 of the male part 185 constriction inductive switch 181 of guide rod 182 and make inductive switch 181 closures, PCB equipment operate as normal.When fastening handle 162 does not compress top cover 14 fully; torque arm 161 descends; the guide rod 182 of protection switch 18 breaks away from the compressing of briquetting 103; rise and make its male part 185 break away from the release knob 186 of inductive switches 181 at the effect lower guide rod 182 of spring 184; inductive switch 181 disconnects and the generation warning; PCB equipment quits work, so can prevent that PCB equipment continuation filling in filter causes potential safety hazard towards soup under the situation that top cover 14 does not compress fully.
The lower end outer surface of filtering core 12 is provided with sealing ring 120 between the inner surface of the inlet 100 of itself and shell 10, to play the effect of can 10.
The lower surface of top cover 14 is formed with the groove 140 that the upper end with shell 10 is complementary, and groove 140 is provided with sealing ring 141, and be inserted among groove 140 upper end of shell 10, and play the effect of can 10.
The last end face of top cover 14 is provided with a bearing part 141 with recess, and the end 164 that is spirally connected of fastening handle 162 is connected to the recess of bearing part 141, is convenient to the location of fastening handle 162, and it is more firm to make securing member 16 be pressed in the operation of top cover 14.
Claims (6)
1. filter, it is characterized in that: described filter includes shell, filtering core, top cover, securing member and protection switch, wherein,
Described shell has inlet and liquid outlet, and its outer surface is fixed with the relative contiguous block of two positions, is formed with the socket part on the described contiguous block;
Described filtering core is arranged at described enclosure, and its entrance point is connected with the inlet of described shell;
Described top cover is covered on the upper end of described shell;
Described securing member includes torque arm and the fastening handle that binding, two is connected in described binding, be formed with the sleeve joint hole of diameter in the described torque arm greater than described socket part diameter, described sleeve joint hole is inserted in described socket part and in the outside of described socket part fixes a briquetting, described fastening handle has and is formed with the externally threaded end that is spirally connected, described binding has the female bolt apertures of formation, and the described end that is spirally connected screws togather and passes described bolt apertures and is connected to described top cover;
Described protection switch includes box body, inductive switch and guide rod, described inductive switch is arranged in the described box body, it is electrically connected on the control device of PCB equipment by output line, described guide rod is arranged in the described box body by a spring, the one end stretches out outside the described box body, the upper end of described guide rod is formed with male part, and the release knob of described inductive switch is positioned at the below of the male part of described guide rod;
Described protection switch is fixed in the torque arm of described securing member, the below of the briquetting of the upper end securing member that the position is set forth in of described guide rod.
2. filter as claimed in claim 1 is characterized in that: the lower end outer surface of described filtering core is provided with sealing ring between the inner surface of the inlet of itself and described shell.
3. filter as claimed in claim 1 or 2 is characterized in that: the lower surface of described top cover is formed with the groove that the upper end with described shell is complementary, and is provided with sealing ring in the described groove, and be inserted among described groove the upper end of described shell.
4. filter as claimed in claim 3 is characterized in that: the last end face of described top cover is provided with a bearing part with recess, and the end that is spirally connected of described fastening handle is connected to the recess of described bearing part.
5. protection switch is characterized in that:
Described protection switch includes box body, inductive switch and guide rod;
Described inductive switch is arranged in the described box body, and it is electrically connected on the control device of PCB equipment by output line;
Described guide rod is arranged in the described box body by a spring, and the one end stretches out outside the described box body;
The upper end of described guide rod is formed with male part, and the release knob of described inductive switch is positioned at the below of the male part of described guide rod.
6. protection switch as claimed in claim 5 is characterized in that: described box body is made up of end box and the cover that is covered on the box of the described end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201784613U CN201132087Y (en) | 2007-10-22 | 2007-10-22 | Filter and protection switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201784613U CN201132087Y (en) | 2007-10-22 | 2007-10-22 | Filter and protection switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201132087Y true CN201132087Y (en) | 2008-10-15 |
Family
ID=40060361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201784613U Expired - Lifetime CN201132087Y (en) | 2007-10-22 | 2007-10-22 | Filter and protection switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201132087Y (en) |
-
2007
- 2007-10-22 CN CNU2007201784613U patent/CN201132087Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: COSMOS CIRCUIT EQUIPMENT ( SHENZHEN ) CO., LTD. Free format text: FORMER OWNER: SHENZHEN CITY LONGGANG DISTRICT LONGGANG AILIAN YUZHOU MACHINERY AND EQUIPMENT FACTORY Effective date: 20091120 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091120 Address after: A,, B and C building, No. 8, Longteng Road, Longteng Industrial Zone, Longcheng community, Longcheng street, Longgang District, Guangdong, China, 518000 Patentee after: UNIVERSAL P.C.B EQUIPMENT CO., LTD. Address before: Shenzhen, Guangdong, Longgang city center, Longteng industrial zone and Yi Industrial Co., Ltd., zip code: 518000 Patentee before: Shenzhen Longgang District Longgang Ailian Yuzhou Machinery Equipment Factory |
|
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN YUZHOU P.C.B EQUIPMENT CO., LTD. Free format text: FORMER OWNER: UNIVERSE PCB EQUIPMENT (SHENZHEN) CO., LTD. Effective date: 20100902 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 BUILDING C, BUILDING B, BUILDING A, NO.8, LONGTENG ROAD 1, LONGTENG INDUSTRY ZONE, AILIAN COMMUNITY, LONGCHENG STREET OFFICE, LONGGANG DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 511700 WULIAN INDUSTRIAL PARK, FENGGANG TOWN, DONGGUAN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100902 Address after: Wulian Industrial Park Fenggang town Guangdong city Dongguan province 511700 Patentee after: Dongguan Universal PCB Equipment Co., Ltd. Address before: 518000, Guangdong, Longgang, Shenzhen District, Longcheng street, love Association community, Longteng Industrial Zone, No. 8, No. 1, A, B, C Patentee before: Universal Circuit Board Equipment (Shenzhen) Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081015 |
|
| CX01 | Expiry of patent term |