CN202605842U - Tap water pressure plate type precision filter with self-cleaning function - Google Patents
Tap water pressure plate type precision filter with self-cleaning function Download PDFInfo
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- CN202605842U CN202605842U CN 201220279490 CN201220279490U CN202605842U CN 202605842 U CN202605842 U CN 202605842U CN 201220279490 CN201220279490 CN 201220279490 CN 201220279490 U CN201220279490 U CN 201220279490U CN 202605842 U CN202605842 U CN 202605842U
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- platen
- end cap
- block device
- annular
- boss
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Abstract
The utility model relates to tap water filter equipment, in particular to a pressure plate type precision filter with a self-cleaning function. The pressure plate type precision filter with the self-cleaning function resolves the problems that a traditional tap water filter is low in filtering precision, is blocked by impurities easily and is inconvenient to use, and comprises a round bucket-shaped shell body. The top and the bottom of the shell body are respectively provided with an opening, the opening at the top of the shell body is provided with a round end cover, an inner cavity of the shell body is provided with a pressure plate frame, a plurality of annulus filtering pressure plates are piled up in the inner cavity of the pressure plate frame, the upper surface of each filtering pressure plate is provided with a groove, and the size of the section of the groove is small at the inside and big at the outside in the radial direction and changes evenly. Based on the novel filtering structure and principle, the pressure plate type precision filter with the self-cleaning function effectively resolves the problems that the traditional tap water filter is low in filtering precision, is blocked by impurities easily and is inconvenient to use, and is suitable for filtering tap water.
Description
Technical field
The utility model relates to tap water filter equipment, specifically is a kind of running water press disc type accurate filter with self-cleaning function.
Background technology
In the running water transmission course, all kinds of impurity such as silt particle, iron rust, suspended particle, microorganism and some macromolecular substances all possibly get in the water body.Different, the different and strong adhesion of all kinds of impurity particle diameters has caused severe contamination to running water.Therefore in order to guarantee the pure of running water, adopt stacked usually or net type filter filters running water.Traditional laminated filter is because its lamination groove takes arc lower to arrange; The filter road that forms is long and section is complicated, causes its filtering accuracy lower usually, and impurity very easily stops up the filter road and forms new pollution sources; Further cause it to need frequent clean thus, bring the inconvenience in the use.And net type filter not only filtering accuracy is low, and need regularly to clean and renew cartridge more.Based on this, be necessary to invent a kind of brand-new running water accurate filter, low, easy to solve traditional running water filter filtering accuracy by problems such as impurity obstruction and use inconvenience.
Summary of the invention
Traditional running water filter filtering accuracy is low, easy to be stopped up and awkward problem by impurity the utility model in order to solve, and a kind of running water press disc type accurate filter with self-cleaning function is provided.
The utility model is to adopt following technical scheme to realize: a kind of running water press disc type accurate filter with self-cleaning function comprises the round barrel shape housing; Case top and bottom are equipped with opening; Circular end cap is installed on the case top opening; The end cap lower surface edge is provided with annular nib; The annular nib medial surface bottom of end cap is connected with the case top lateral surface; The annular nib medial surface top of end cap is provided with annular boss; End cap lower surface central authorities are provided with central boss, and the central boss lower surface of end cap has axial blind hole; Be provided with the transition boss between annular boss one side of end cap and the central boss; Connect on the transition boss of end cap and be provided with the through hole of radially intaking; The through hole two ends that radially intake are communicated with the axial blind hole top of end cap and the annular nib lateral surface of end cap respectively; The annular boss opposite side of end cap have with radially intake lead to the hole site over against radially water outlet through hole; Radially water outlet through hole two ends are communicated with the inside and outside side of the annular nib of end cap respectively; The housing inner chamber is provided with the platen frame; The platen frame comprises circular plate, following circular plate and several connecting rods; Each connecting rod two ends are fixed with last circular plate, following circular plate respectively; Upward circular plate, following circular plate, each connecting rod surround the inner chamber of platen frame jointly; The inner chamber closed assembly of platen frame has several circular filtration platens; The lower surface that filters platen is the plane; The upper surface that filters platen is provided with the radially groove of inner small and outside big even variation of its cross dimensions; Each inner ring surface that filters platen surrounds filter chamber jointly; The filter chamber open upper end is communicated with the axial blind hole bottom of end cap; Be placed with several cleaning balls in the filter chamber; Each outer ring surface, inner walls, end cap lower surface that filters platen surrounds water chamber jointly; Water chamber upper end is communicated with water outlet through hole radially; The last circular plate medial surface of platen frame is connected with the central boss lateral surface of end cap; The following circular plate medial surface of platen frame is equipped with cylindrical platen gland; Platen gland central authorities run through and are provided with axially extending bore; The filter chamber lower ending opening is communicated with the axially extending bore top of platen gland; The tubulose block device is installed in the axially extending bore of platen gland; The block device upper end closed; Block device lateral surface middle part is provided with several windows; The block device inner chamber is communicated with the axially extending bore of platen gland through each window; The lateral surface bottom of block device is provided with the convex annular edge; The axially extending bore medial surface bottom of platen gland is equipped with tubulose block device base; The medial surface top of block device base is provided with the convex annular edge; The convex annular of block device is connected along the medial surface of lateral surface with the block device base; The convex annular of block device along the convex annular of upper surface and block device base along being provided with the blocking-up spring between the lower surface; On the housing bottom opening dirt trap is installed; The dirt trap upper end is provided with opening; The dirt trap open upper end is communicated with the block device bottom.The last circular plate medial surface of platen frame is connected with the central boss lateral surface of end cap; The following circular plate medial surface of platen frame is equipped with cylindrical platen gland; Platen gland central authorities run through and are provided with axially extending bore; The filter chamber lower ending opening is communicated with the axially extending bore top of platen gland; The tubulose block device is installed in the axially extending bore of platen gland; Tubulose block device upper end closed; Tubulose block device lateral surface middle part is provided with several windows; Tubulose block device inner chamber is communicated with the axially extending bore of platen gland through each window; The lateral surface bottom of tubulose block device is provided with the convex annular edge; The axially extending bore medial surface bottom of platen gland is equipped with tubulose block device base; The medial surface top of tubulose block device base is provided with the convex annular edge; The convex annular of tubulose block device is connected along the medial surface of lateral surface with tubulose block device base; The convex annular of tubulose block device along the convex annular of upper surface and tubulose block device base along being provided with the blocking-up spring between the lower surface; On the housing bottom opening dirt trap is installed; The dirt trap upper end is provided with opening; The dirt trap open upper end is communicated with tubulose block device bottom.
During use, the radially water inlet through hole and the axial blind hole of end cap constitute water inlet jointly, and the radially water outlet through hole of end cap constitutes delivery port.Water inlet is connected with the water supply pipe water supply side, delivery port is connected with the water duct.When user's water; Running water enters in the filter chamber that is surrounded by several inner ring surfaces that filters platen from the water inlet on the end cap; Get into the filter opening that the water in the filter chamber forms through the groove by the filtration pressure panel surface and enter in the water chamber that surrounds by the outer ring surface, inner walls, the end cap lower surface that filter platen, then the delivery port outflow from the end cap.In this process, the impurity of the filter opening diameter that particle diameter forms greater than the groove by the filtration pressure panel surface in the current will be blocked in the filter chamber, and only impurity and the hydrone less than the filter opening diameter just can pass through.Like this, the water that flows out from delivery port has just obtained effective filtration.In the water flows process; Along with current get into filter chamber; Cleaning ball in the filter chamber can move about along with the ceaselessly upset of flowing of water; The thorn-like bristle of cleaning ball and appearance thereof can constantly clash on the filter chamber inner surface to be scrubbed, and like this, will constantly pulled out and sink in the dirt trap scrubbing under the bump of cleaning ball attached to the impurity of filter chamber inner surface.Radially become big version owing to filter the groove employing of platen upper surface; So impurity just can not retain in the groove that filters platen; Recoil brush effect and the cleaning ball of current when pressure changes scrubs in addition; The filter opening that filters between platen can be not blocked after long-term work yet, filters the time interval that platen cleans thereby prolonged greatly, can realize basically exempting from cleaning.When the impurity in the dirt trap is too much, can dirt trap directly be taken off from the bottom opening of housing.In this process; Decline along with the dirt trap position; Block device moves down under the effect of blocking-up spring thereupon, and when dirt trap took off, the lateral surface top of block device is pressed on the block device base under the elastic force effect of blocking-up spring convex annular was along upper surface; Thereby with block device and the sealing of block device base, so the water in the filter chamber just can not flow out from the housing bottom opening when dirt trap takes off.When dirt trap cleans out when being reinstalled onto on the housing, along with the rising of dirt trap position, block device also can increase, and the dirt trap inner chamber is communicated with filter chamber through the window on the block device again, and the impurity in the filter chamber can sink in the dirt trap again.Based on said process; And net type filter stacked with tradition compared; The described a kind of running water press disc type accurate filter with self-cleaning function of the utility model adopts brand-new filtration and principle; Possessed the advantage that filtering accuracy is high, be difficult for being stopped up, need not by impurity frequent clean, it is low, easy by impurity obstruction and awkward problem to have solved traditional running water filter filtering accuracy thus.
The utility model is based on brand-new filtration and principle, efficiently solve traditional running water filter filtering accuracy low, be prone to stopped up and awkward problem by impurity, be applicable to tap water filter.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the C-C cutaway view of Fig. 2.
Fig. 4 is the D-D cutaway view of Fig. 1.
Fig. 5 is the structural representation of the platen frame of the utility model.
Fig. 6 is the E-E cutaway view of Fig. 5.
Fig. 7 is the structural representation of the filtration platen of the utility model.
Fig. 8 is the partial enlarged drawing at A place among Fig. 7.
Fig. 9 is the vertical view of Fig. 7.
Figure 10 is the partial enlarged drawing at B place among Fig. 9.
Among the figure: 1-housing, 2-end cap, 3-first sealing ring, 4-second sealing ring, 5-upper grid; 6-first back-up ring, 7-filters platen, 8-cleaning ball, 9-bottom grid, 10-block device; 11-the 3rd sealing ring, 12-second back-up ring, 13-block device base, 14-blocks spring, 15-dirt trap; 16-the 4th sealing ring, 17-the 5th sealing ring, 18-platen gland, 19-platen frame, 20-the 6th sealing ring.
The specific embodiment
A kind of running water press disc type accurate filter with self-cleaning function comprises round barrel shape housing 1; Housing 1 top and bottom are equipped with opening; Circular end cap 2 is installed in housing 1 open top; End cap 2 lower surface edges are provided with annular nib; The annular nib medial surface bottom of end cap 2 is connected with housing 1 top, outside; The annular nib medial surface top of end cap 2 is provided with annular boss; End cap 2 lower surface central authorities are provided with central boss, and the central boss lower surface of end cap 2 has axial blind hole; Be provided with the transition boss between annular boss one side of end cap 2 and the central boss; Connect on the transition boss of end cap 2 and be provided with the through hole of radially intaking; The through hole two ends that radially intake are communicated with the axial blind hole top of end cap 2 and the annular nib lateral surface of end cap 2 respectively; The annular boss opposite side of end cap 2 have with radially intake lead to the hole site over against radially water outlet through hole; Radially water outlet through hole two ends are communicated with the inside and outside side of the annular nib of end cap 2 respectively; Housing 1 inner chamber is provided with platen frame 19; Platen frame 19 comprises circular plate, following circular plate and several connecting rods; Each connecting rod two ends are fixed with last circular plate, following circular plate respectively; Upward circular plate, following circular plate, each connecting rod surround the inner chamber of platen frame 19 jointly; The inner chamber closed assembly of platen frame 19 has several circular filtration platens 7; The lower surface that filters platen 7 is the plane; The upper surface that filters platen 7 is provided with the radially groove of inner small and outside big even variation of its cross dimensions; Each inner ring surface that filters platen 7 surrounds filter chamber jointly; The filter chamber open upper end is communicated with the axial blind hole bottom of end cap 2; Be placed with several cleaning balls 8 in the filter chamber; Each outer ring surface, housing 1 inwall, end cap 2 lower surfaces that filter platen 7 surround water chamber jointly; Water chamber upper end is communicated with water outlet through hole radially; The last circular plate medial surface of platen frame 19 is connected with the central boss lateral surface of end cap 2; The following circular plate medial surface of platen frame 19 is equipped with cylindrical platen gland 18; Platen gland 18 central authorities run through and are provided with axially extending bore; The filter chamber lower ending opening is communicated with the axially extending bore top of platen gland 18; Tubulose block device 10 is installed in the axially extending bore of platen gland 18; Block device 10 upper end closeds; Block device 10 lateral surfaces middle part is provided with several windows; Block device 10 inner chambers are communicated with the axially extending bore of platen gland 18 through each window; The lateral surface bottom of block device 10 is provided with the convex annular edge; The axially extending bore medial surface bottom of platen gland 18 is equipped with tubulose block device base 13; The medial surface top of block device base 13 is provided with the convex annular edge; The convex annular of block device 10 is connected along the medial surface of lateral surface with block device base 13; The convex annular of block device 10 is blocked spring 14 along the convex annular of upper surface and block device base 13 along being provided with between the lower surface; On housing 1 bottom opening dirt trap 15 is installed; Dirt trap 15 upper ends are provided with opening; Dirt trap 15 open upper end are communicated with block device 10 bottoms.
Be provided with first sealing ring 3 between the annular boss lower surface of end cap 2 and the upper surface of housing 1; Be provided with second sealing ring 4 between the last circular plate medial surface of platen frame 19 and the central boss lateral surface of end cap 2; The lateral surface top of block device 10 is provided with the 3rd sealing ring 11; Be provided with the 4th sealing ring 16 between housing 1 bottom opening outer wall and dirt trap 15 external wall of upper portion; Housing 1 bottom opening inwall is provided with annular wedge-like boss; Be provided with the 5th sealing ring 17 between the annular wedge-like boss of housing 1 and platen gland 18 lower surfaces; Be provided with the 6th sealing ring 20 between the axially extending bore medial surface of the lateral surface of block device base 13 and platen gland 18.The section of first sealing ring is a rectangle, and its effect is the sealing that guarantees between housing and the end cap.The effect of second sealing ring is the sealing of central boss after assembling that guarantees platen frame top and end cap.The effect of the 3rd sealing ring is to guarantee that when dirt trap took off, the lateral surface top of block device is pressed on the block device base under the elastic force effect of blocking-up spring convex annular was along upper surface.The 4th sealing ring is in order to the sealing between housing and dirt trap.The 5th sealing ring is in order to guarantee the sealing between platen gland and housing.The 6th sealing ring is in order to guarantee the sealing between block device base and platen gland.
The last circular plate medial surface of platen frame 19 is provided with stepped annular boss; Be separately installed with the upper grid 5 and first back-up ring 6 on the stepped annular boss of platen frame 19; First back-up ring, 6 lower surfaces match with upper grid 5 upper surfaces; The following circular plate medial surface of platen frame 19 is separately installed with the bottom grid 9 and second back-up ring 12; Second back-up ring, 12 upper surfaces match with bottom grid 9 lower surfaces.Upper grid is that a centre is the central portion of grid, and its through-hole aperture is less than the diameter of cleaning ball, and its effect is that cleaning ball is limited in the filter chamber.The section of first back-up ring is a rectangle, and its effect is that upper grid is fixed on the relevant position of platen frame.The bottom grid is that a centre is the central portion of grid, and its through-hole aperture is less than the diameter of cleaning ball, and its effect is that cleaning ball is limited in the filter chamber.The effect of second back-up ring is that the bottom grid is fixed on the relevant position of platen frame.
During practical implementation, housing is columniform tubbiness parts, and its top, outside is provided with external screw thread, in order to end cap on internal thread match.Its bottom opening has internal thread.Its bottom opening outer wall is provided with annular boss, and the effect of this annular boss is to make the wall thickness at bottom opening place increase, so that the intensity of thread connection is better.The effect of housing is in order to form space and the good assembled condition of other each parts that current pass in and out jointly with end cap.The annular nib medial surface bottom of end cap is provided with internal thread.Radially intake the inner surface of through hole and radially the inner surface of water outlet through hole be equipped with internal thread.The section configuration of filtering the groove of platen can be semicircle or rectangle or del.When several filtration platen pressed and overlapped are fitted together; Filter between platen and just formed numerous micro pores;, just be not easy to be blocked in the process mesopore of filtering like this than little at the hole that filters the formation of platen inner ring surface by foreign material at the hole that filters the formation of platen outer ring surface.Cleaning ball is to be shaped as circular bead, and the outer surface of bead is the bristle of four to 16 thorn-likes of distribution evenly.The proportion of bead and water base quite, its effect is along with washing away of current is flowing in the filter chamber constantly motion collision, clears up thereby will be collected at the impurity that filters on the platen inner ring surface.Block device is circular pipe cap shape parts, and it is conical that its top is, and its lateral surface top is provided with annular groove, and in order to install the 3rd sealing ring, its convex annular is provided with annular groove along upper surface, in order to fixing blocking-up spring.The convex annular of block device base is high inclined-plane outside upper surface is interior hanging down, and the convex annular of block device base is provided with annular groove along lower surface, in order to fixing blocking-up spring.The blocking-up spring is a compression spring.Dirt trap is ampuliform parts, and its upper end lateral surface is provided with external screw thread, and in order to connect with the housing bottom opening, its effect is to collect impurity and the dirt that filters.The lower surface of platen gland is provided with annular groove, and in order to install the 5th sealing ring, its lateral surface is provided with external screw thread, in order to link with the platen frame.The platen frame filters platen in order to device, and circular plate medial surface is provided with internal thread under it, and in order to the fixed platen gland, its upper outside face is provided with four small boss, in order to guarantee the radial position of platen frame in housing.
Claims (3)
1. the running water press disc type accurate filter with self-cleaning function is characterized in that: comprise round barrel shape housing (1); Housing (1) top and bottom are equipped with opening; In housing (1) open top circular end cap (2) is installed; End cap (2) lower surface edge is provided with annular nib; The annular nib medial surface bottom of end cap (2) is connected with housing (1) top, outside; The annular nib medial surface top of end cap (2) is provided with annular boss; End cap (2) lower surface central authorities are provided with central boss, and the central boss lower surface of end cap (2) has axial blind hole; Be provided with the transition boss between annular boss one side of end cap (2) and the central boss; Connect on the transition boss of end cap (2) and be provided with the through hole of radially intaking; The through hole two ends that radially intake are communicated with the axial blind hole top of end cap (2) and the annular nib lateral surface of end cap (2) respectively; The annular boss opposite side of end cap (2) have with radially intake lead to the hole site over against radially water outlet through hole; Radially water outlet through hole two ends are communicated with the inside and outside side of annular nib of end cap (2) respectively; Housing (1) inner chamber is provided with platen frame (19); Platen frame (19) comprises circular plate, following circular plate and several connecting rods; Each connecting rod two ends are fixed with last circular plate, following circular plate respectively; Upward circular plate, following circular plate, each connecting rod surround the inner chamber of platen frame (19) jointly; The inner chamber closed assembly of platen frame (19) has several circular filtration platens (7); The lower surface that filters platen (7) is the plane; The upper surface that filters platen (7) is provided with the radially groove of inner small and outside big even variation of its cross dimensions; Each inner ring surface that filters platen (7) surrounds filter chamber jointly; The filter chamber open upper end is communicated with the axial blind hole bottom of end cap (2); Be placed with several cleaning balls (8) in the filter chamber; Each outer ring surface, housing (1) inwall, end cap (2) lower surface that filters platen (7) surrounds water chamber jointly; Water chamber upper end is communicated with water outlet through hole radially; The last circular plate medial surface of platen frame (19) is connected with the central boss lateral surface of end cap (2); The following circular plate medial surface of platen frame (19) is equipped with cylindrical platen gland (18); Platen gland (18) central authorities run through and are provided with axially extending bore; The filter chamber lower ending opening is communicated with the axially extending bore top of platen gland (18); Tubulose block device (10) is installed in the axially extending bore of platen gland (18); Block device (10) upper end closed; Block device (10) lateral surface middle part is provided with several windows; Block device (10) inner chamber is communicated with the axially extending bore of platen gland (18) through each window; The lateral surface bottom of block device (10) is provided with the convex annular edge; The axially extending bore medial surface bottom of platen gland (18) is equipped with tubulose block device base (13); The medial surface top of block device base (13) is provided with the convex annular edge; The convex annular of block device (10) is connected along the medial surface of lateral surface with block device base (13); The convex annular of block device (10) is blocked spring (14) along the convex annular of upper surface and block device base (13) along being provided with between the lower surface; On housing (1) bottom opening dirt trap (15) is installed; Dirt trap (15) upper end is provided with opening; Dirt trap (15) open upper end is communicated with block device (10) bottom.
2. a kind of running water press disc type accurate filter with self-cleaning function according to claim 1 is characterized in that: be provided with first sealing ring (3) between the upper surface of the annular boss lower surface of end cap (2) and housing (1); Be provided with second sealing ring (4) between the last circular plate medial surface of platen frame (19) and the central boss lateral surface of end cap (2); The lateral surface top of block device (10) is provided with the 3rd sealing ring (11); Be provided with the 4th sealing ring (16) between housing (1) bottom opening outer wall and dirt trap (15) external wall of upper portion; Housing (1) bottom opening inwall is provided with annular wedge-like boss; Be provided with the 5th sealing ring (17) between the annular wedge-like boss of housing (1) and platen gland (18) lower surface; Be provided with the 6th sealing ring (20) between the axially extending bore medial surface of the lateral surface of block device base (13) and platen gland (18).
3. a kind of running water press disc type accurate filter according to claim 1 with self-cleaning function, it is characterized in that: the last circular plate medial surface of platen frame (19) is provided with stepped annular boss; Be separately installed with upper grid (5) and first back-up ring (6) on the stepped annular boss of platen frame (19); First back-up ring (6) lower surface matches with upper grid (5) upper surface; The following circular plate medial surface of platen frame (19) is separately installed with bottom grid (9) and second back-up ring (12); Second back-up ring (12) upper surface matches with bottom grid (9) lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220279490 CN202605842U (en) | 2012-06-14 | 2012-06-14 | Tap water pressure plate type precision filter with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220279490 CN202605842U (en) | 2012-06-14 | 2012-06-14 | Tap water pressure plate type precision filter with self-cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202605842U true CN202605842U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220279490 Expired - Lifetime CN202605842U (en) | 2012-06-14 | 2012-06-14 | Tap water pressure plate type precision filter with self-cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202605842U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698480A (en) * | 2012-06-14 | 2012-10-03 | 王贵林 | Tap water pressure disc type precision filter with self-cleaning function |
| CN103861350A (en) * | 2014-04-03 | 2014-06-18 | 宣利娜 | Liquid supplying device with electroplating coating central shaft and rolling ball thrust bearing |
| CN103861370A (en) * | 2014-04-03 | 2014-06-18 | 程明琴 | Liquid supplying device with connecting part with radial long and narrow groove and rolling ball thrust bearing |
| CN103933771A (en) * | 2014-04-03 | 2014-07-23 | 吕琦滨 | Liquid supply device with layered structure type sealing strips and ball thrust bearing |
-
2012
- 2012-06-14 CN CN 201220279490 patent/CN202605842U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698480A (en) * | 2012-06-14 | 2012-10-03 | 王贵林 | Tap water pressure disc type precision filter with self-cleaning function |
| CN103861350A (en) * | 2014-04-03 | 2014-06-18 | 宣利娜 | Liquid supplying device with electroplating coating central shaft and rolling ball thrust bearing |
| CN103861370A (en) * | 2014-04-03 | 2014-06-18 | 程明琴 | Liquid supplying device with connecting part with radial long and narrow groove and rolling ball thrust bearing |
| CN103933771A (en) * | 2014-04-03 | 2014-07-23 | 吕琦滨 | Liquid supply device with layered structure type sealing strips and ball thrust bearing |
| CN103933771B (en) * | 2014-04-03 | 2015-08-05 | 徐同林 | The liquid with hierarchy sealing strip and ball thrust bearing provides device |
| CN103861370B (en) * | 2014-04-03 | 2015-09-02 | 江阴圆方机械制造有限公司 | Have and be with the connecting portion of radial elongate slot and the liquid dispensing apparatus of ball thrust bearing |
| CN103861350B (en) * | 2014-04-03 | 2015-09-02 | 江阴圆方机械制造有限公司 | There is the liquid dispensing apparatus of band electroplated coating central shaft and ball thrust bearing |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121219 Effective date of abandoning: 20140402 |
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| RGAV | Abandon patent right to avoid regrant |