CN205164242U - Filter - Google Patents

Abstract

The utility model discloses a filter, include: and a housing, there are water inlet and delivery port on the shell, connect the sealing washer, it establishes to connect sealing washer detachably the water inlet with a department and follow in the delivery port the water inlet with in the delivery port one is exposed the shell, the filter screen, the filter screen is established in the shell and with it links to each other to connect the sealing washer, the biggest cross -sectional area of filter screen is less than the water inlet with in the delivery port one minimum cross -sectional area. According to the utility model discloses a filter is through establishing the filter screen in the shell and with to be connected the sealing washer continuous, will connect sealing washer detachably and establish a department in water inlet and delivery port to establish the biggest cross -sectional area of filter screen for being less than water inlet or delivery port one minimum cross -sectional area to have advantages such as small, low cost and quick detachable washing.

Description

Filter

Technical field

The utility model relates to purifier technical field, particularly relates to a kind of filter.

Background technology

Containing impurity such as silt, iron rust, colloids in running water, easy sediment incrustation, water quality is poor, affects the health of user's water.For this reason, utilize the filtration of full room filter realization to water in correlation technique, but full room filter volume is comparatively large, cost is higher, and cannot disassembly, cleaning.

Utility model content

The utility model is intended to solve one of above-mentioned technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of filter, this filter has the advantages such as disassembling cleaning, volume be little and with low cost.

According to the filter of the utility model embodiment, comprising: shell, described shell has water inlet and delivery port; Connect sealing ring, described connection sealing ring is removably located at a place in described water inlet and described delivery port and exposes described shell from described described water inlet and described delivery port; Filter screen, described filter screen is located at described shell body and is connected with the described sealing ring that is connected, the smallest cross-section area that the maximum cross-section area of described filter screen is less than described in described water inlet and described delivery port.

According to the filter of the utility model embodiment, by filter screen is established in the enclosure and be connected sealing ring and be connected, connection sealing ring is removably located at a place in water inlet and delivery port, and the maximum cross-section area of filter screen is set to the smallest cross-section area of described that is less than water inlet or delivery port, thus there is the advantages such as little, the with low cost and Quick-detachable cleaning of volume.

According to the filter of the utility model embodiment, described connection sealing ring is removably located at described water outlet and exposes described shell from described delivery port.

Alternatively, described screen pack comprises: tubular filter house, and described tubular filter house is connected with the described sealing ring that is connected; End filter house, described end filter house is located at one end of the described water inlet of vicinity of described tubular filter house, and described end filter house is the taper shape protruded towards described water inlet.

Alternatively, described shell is provided with the water out adapter that is communicated with described delivery port and described water out adapter is provided with internal thread, and described connection sealing ring is located on the inner peripheral surface of described water out adapter.

Further, described shell or described water out adapter are provided with for connecting the sealing ring spacing preiection of sealing ring towards the inside movement of described shell described in backstop.

According to embodiments more of the present utility model, described connection sealing ring is removably located at described water inlet and exposes described shell from described water inlet.

Alternatively, described screen pack comprises: tubular filter house, and described tubular filter house is connected with the described sealing ring that is connected; End filter house, described end filter house is located at one end of the described delivery port of vicinity of described tubular filter house, and described end filter house is the segment-shaped protruded towards described delivery port.

Further, described shell is provided with the water supply connector that is communicated with described water inlet and described water supply connector is provided with external screw thread, and described connection sealing ring is located on the end face away from described shell of described water supply connector.

According to embodiments more of the present utility model, described connection sealing ring and described filter screen one-body molded.

According to embodiments more of the present utility model, the cross-sectional area of the inner space of described shell is reduced gradually by described water inlet and the described delivery port center to the imaginary line of described water inlet and described delivery port respectively.According to embodiments more of the present utility model, described shell comprises: lower house, and described water inlet is located on described lower house; Upper shell, described upper shell is removably mounted on described lower house, and described delivery port is located on described upper shell.

Alternatively, described lower house and described upper shell are threaded, and are provided with body seal circle between described lower house and described upper shell.

Accompanying drawing explanation

Fig. 1 is the structural representation of the filter according to some embodiments of the utility model;

Fig. 2 is the structural representation of the filter according to other embodiments of the utility model;

Reference numeral:

100: filter; 101: filter chamber;

1: shell; 11: water inlet; 12: delivery port; 13: upper shell; 14: lower house;

2: connect sealing ring;

3: filter screen; 31: tubular filter house; 32: end filter house;

4: water out adapter; 41: spacing preiection;

5: water supply connector; 51: external screw thread.

Detailed description of the invention

Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.

In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.

In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.

Be described in detail the filter 100 according to the utility model embodiment below in conjunction with Fig. 1 and Fig. 2, the filter 100 according to the utility model embodiment can be connected between the water inlet of water heater and water source, to filter the running water entering water heater.

As depicted in figs. 1 and 2, shell 1 can be comprised according to the filter 100 of the utility model embodiment, connect sealing ring 2 and filter screen 3, wherein, filter chamber 101 can be formed with in shell 1, shell 1 can be provided with the water inlet 11 and delivery port 12 that are communicated with filter chamber 101 respectively, need the water filtered can enter filter chamber 101 from water inlet 11, can flow out from delivery port 12 after filter screen 3 filters.

Connection sealing ring 2 is removably located at a place in water inlet 11 and delivery port 12, and connection sealing ring 2 can expose shell 1 from water inlet 11 and delivery port 12.Such as, in the embodiment shown in fig. 1, connect sealing ring 2 and be located at delivery port 12 place and expose shell 1 from delivery port 12, and in the embodiment shown in Figure 2, connect sealing ring 2 and be located at water inlet 11 place and expose shell 1 from water inlet 11.Like this, connect sealing ring 2 one aspect and can realize the sealing after filter 100 is connected with other pipeline, can pull down from shell 1 easily on the other hand.

As depicted in figs. 1 and 2, filter screen 3 can be located in shell 1, can be filtered, retain the impurity such as the silt in running water, iron rust, colloid, red worm after needing the water filtered to enter housing from water inlet 11 by filter screen 3.Further, filter screen 3 can be connected with being connected sealing ring 2, and the smallest cross-section area that the maximum cross-section area of filter screen 3 is less than described in water inlet 11 and delivery port 12, so that split out cleaning by filter screen 3.Such as, when connecting sealing ring 2 and being located at delivery port 12 place, as shown in Figure 1, the maximum cross-section area of filter screen 3 can be less than the smallest cross-section area of delivery port 12, now, is pulled down by connection sealing ring 2 from delivery port 12, just filter screen 3 can be taken out of from delivery port 12; When connecting sealing ring 2 and being located at water inlet 11 place, as shown in Figure 2, the maximum cross-section area of filter screen 3 can be less than the smallest cross-section area of water inlet 11, now, connection sealing ring 2 is pulled down from water inlet 11, just filter screen 3 can be taken out of from water inlet 11, after filter screen 3 splits out, user can clean filter screen 3, realizes reusing, thus can reduce costs.

According to the filter 100 of the utility model embodiment, by filter screen 3 to be located in shell 1 and be connected sealing ring 2 and be connected, connection sealing ring 2 is removably located at a place in water inlet 11 and delivery port 12, and the maximum cross-section area of filter screen 3 is set to the smallest cross-section area of described that is less than water inlet 11 or delivery port 12, thus cleaning for convenience detach.In addition, the structure of filter 100 is simple, can control at less volume, thus reduce costs low.

According to embodiments more of the present utility model, as shown in Figure 1, connect sealing ring 2 and be removably located at delivery port 12 place, filter screen 3 stretches in shell 1 from delivery port 12, namely filter screen 3 is external-compression type, and connect sealing ring 2 and can expose shell 1 from delivery port 12, thus can easily connection sealing ring 2 be pulled down from delivery port 12, and filter screen 3 is taken out of from delivery port 12 clean.

As optional embodiment, as shown in Figure 1, filter screen 3 can comprise tubular filter house 31 and end filter house 32.Specifically, tubular filter house 31 can be connected with being connected sealing ring 2, end filter house 32 can be located at one end of the contiguous water inlet 11 of tubular filter house 31 (such as, lower end), thus, the water entering shell 1 from water inlet 11 can be filtered jointly by tubular filter house 31 and end filter house 32, thus can improve filter efficiency, increases the filtration yield of filter 100.Wherein, end filter house 32 can be the taper shape protruded towards water inlet 11, so that the impurity that end filter house 32 retains is assembled on filter screen 3, by end filter house 32 being set to the taper shape protruded towards water inlet 11, coordinate the hydraulic pressure of filter screen 3 outside, impurity can be avoided to be blocked filter screen 3 by the water punching that enters from water inlet 11, thus the cleaning frequency of filter screen 3 can be reduced.

Alternatively, as shown in Figure 1, shell 1 can be provided with the water out adapter 4 be communicated with delivery port 12, and water out adapter 4 can be provided with internal thread (not shown), so that filter 100 is connected with the water inlet pipe of water heater, connecting sealing ring 2 can be located on the inner peripheral surface of water out adapter 4, after water out adapter 4 is connected by threaded engagement with the water inlet pipe of water heater, connecting sealing ring 2 can be pressed in water out adapter 4, like this, can realize filter screen 3 and the location being connected sealing ring 2 on the one hand, on the other hand, can also by connecting the gap between sealing ring 2 can 1 and the water inlet pipe of water heater, unfiltered water is avoided to flow out from gap, to ensure filter effect.

Further, shell 1 or water out adapter 4 can be provided with for the sealing ring spacing preiection 41 of backstop connection sealing ring 2 towards the inside movement of shell 1, after water out adapter 4 is connected by threaded engagement with the water inlet pipe of water heater, connects sealing ring 2 and can be pressed between the water inlet pipe of water heater and sealing ring spacing preiection 41.Thus, not only backstop can connect the inside play of sealing ring 2 to shell 1, and the sealing effectiveness connecting sealing ring 2 can be improved.Such as, as shown in Figure 1, spacing preiection 41 can be located on shell 1 and to be extended to the inside of delivery port 12 by the edge of delivery port 12 and form.

According to other embodiments of the present utility model, as shown in Figure 2, connect sealing ring 2 and be removably located at water inlet 11 place, filter screen 3 stretches in shell 1 from water inlet 11, namely filter screen 3 is inner pressed, and connect sealing ring 2 and can expose shell 1 from water inlet 11, thus can easily connection sealing ring 2 be pulled down from water inlet 11, and filter screen 3 is taken out of from water inlet 11 clean.

As optional embodiment, as shown in Figure 2, filter screen 3 can comprise tubular filter house 31 and end filter house 32.Specifically, tubular filter house 31 can be connected with being connected sealing ring 2, end filter house 32 can be located at one end (i.e. upper end) of the contiguous water inlet 11 of tubular filter house 31, thus, the water entering shell 1 from water inlet 11 can be filtered jointly by tubular filter house 31 and end filter house 32, thus can filter efficiency be improved, increase the drainage amount of filter 100.Wherein, end filter house 32 can be the segment-shaped protruded towards delivery port 12, so that the impurity that end filter house 32 retains is assembled on filter screen 3, by end filter house 32 being set to the segment-shaped protruded towards delivery port 12, coordinate the hydraulic pressure of filter screen 3 inside, impurity effectively can be avoided to be blocked filter screen 3 by the water punching that enters from water inlet 11, thus the cleaning frequency of filter screen 3 can be reduced.

Alternatively, as shown in Figure 2, shell 1 can be provided with the water supply connector 5 be communicated with water inlet 11, and water supply connector 5 can be provided with external screw thread 51, so that filter 100 is connected with water pipe etc., connecting sealing ring 2 can be located on the end face away from shell 1 of water supply connector 5, after water supply connector 5 is connected by threaded engagement with water feed apparatus such as water pipes, connecting sealing ring 2 can be pressed on the end face of water supply connector 5, not only can realize the location to connecting sealing ring 2, but also gap between the water feed apparatus such as water swivel 5 and water pipe can be sealed into by connecting sealing ring 2, avoid flowing directly into from the water of water feed apparatus inflow filter 100 from the gap between sealing ring and water supply connector 5, improve the filter effect of filter 100.

According to embodiments more of the present utility model, connecting sealing ring 2 can be one-body molded with filter screen 3, thus, when connection sealing ring 2 is pulled down by user, just filter screen 3 can be split out in shell 1, easy accessibility is laborsaving, ensures the bonding strength connecting sealing ring 2 and filter screen 3.Such as, connecting sealing ring 2 can integrated injection molding with filter screen 3.

As optional embodiment, the aperture of filter screen 3 can be 40 μm ~ 200 μm, to improve the filter effect of filter screen 3, retains the impurity in running water.Preferably, the aperture of filter screen 3 can be 40 μm ~ 90 μm, to make the filter effect of filter 100 more excellent.

Optionally, filter screen 3 can be stainless steel filtering net or nylon leaching net, because stainless steel filtering net and nylon leaching net have, intensity is high, corrosion resistance is good, repeatedly can clean the advantages such as use, so adopt stainless steel filtering net or nylon leaching net can realize repeatedly cleaning use, thus the replacement frequency of filter screen 3 can be reduced, and then reduce costs.

In order to make the filter effect of filter 100 more excellent, the cross-sectional area of the inner space of shell 1 is reduced gradually by the center of the imaginary line of water inlet 11 and delivery port 12 to water inlet 11 and delivery port 12 respectively.In other words, the cross-sectional area of filter chamber 101 can be reduced by the middle part of water inlet 11 and delivery port 12 to filter chamber 101 length direction respectively gradually, as depicted in figs. 1 and 2, namely the cross-sectional area of the filter chamber 101 of contiguous water inlet 11 and delivery port 12 can be greater than the cross-sectional area at the middle part of filter chamber 101.Like this, the flow velocity of the water entering filter 100 can be reduced and accelerate the flow velocity of the water of outflow filter 100, thus retaining of the impurity in filter screen 3 pairs of water can be accelerated, and, can be got excited at any time in filter chamber 101 by the impurity that filter screen 3 retains, the filter opening that impurity can be avoided to snap in filter screen 3 results in blockage, and ensures that filter 100 has larger filtration yield.

In embodiments more of the present utility model, as depicted in figs. 1 and 2, shell 1 can comprise lower house 14 and upper shell 13, upper shell 13 is removably mounted on lower house 14, water inlet 11 can be located on lower house 14, delivery port 12 can be located on upper shell 13, and lower house 14 and upper shell 13 can limit filter chamber 101 jointly.Alternatively, lower house 14 and upper shell 13 can be threaded connection with, such as, in the example shown in Fig. 1 and Fig. 2, upper shell 13 can be provided with internal thread, lower house 14 can be provided with the external screw thread with this screw-internal thread fit, coordinated with externally threaded by internal thread, upper shell 13 and lower house 14 removably can be installed, not only simple and compact for structure, and also easy installation and reliable.In order to avoid the water in filter chamber 101 flows out, body seal circle (not shown) between upper shell 13 and lower house 14, can be provided with.

Specifically, the shell 1 be made up of upper shell 14 and lower house 13 can be roughly oval shape and central axis is vertically directed, water inlet 11 and delivery port 12 be located at the two ends of shell 1 respectively and the central shaft of water inlet 11 to the central axes with delivery port 12.

According to embodiments more of the present utility model, at least one in upper shell 13 and lower house 14 can be Transparent Parts.Such as, lower house 14 can be Transparent Parts, thus person easy to use can observe the filtration situation of filter 100 internal screen 3, if the impurity that filter screen 3 retains is more, filter screen 3 can be pulled down and clean in time by user.

After filter 100 uses a period of time, user observe impurity that filter screen 3 retains more time, first can close water inlet shell 1 is pulled down, pull down from delivery port 12 or water inlet 11 and connect sealing ring 2, connect sealing ring 2 and filter screen 3 is taken out of in shell 1, filter screen 3 is scrubbed, the impurity retained by filter screen 3 is removed, finally by the filter screen 3 after cleaning with is connected sealing ring 2 and is fit in shell 1 again, filter 100 is connected into water route again, continuation use.

In sum, according to the filter 100 of the utility model embodiment, by filter screen 3 to be located in shell 1 and be connected sealing ring 2 and be connected, connection sealing ring 2 is removably located at a place in water inlet 11 and delivery port 12, and the maximum cross-section area of filter screen 3 is set to the smallest cross-section area of described that is less than water inlet 11 or delivery port 12, thus there is the advantages such as little, the with low cost and Quick-detachable cleaning of volume.

In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this description or example can carry out engaging and combining by those skilled in the art.

Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.

Claims (12)

1. a filter, is characterized in that, comprising:

Shell, described shell has water inlet and delivery port;

Connect sealing ring, described connection sealing ring is removably located at a place in described water inlet and described delivery port and exposes described shell from described described water inlet and described delivery port;

Filter screen, described filter screen to be located in described shell and to be connected with the described sealing ring that is connected, the smallest cross-section area that the maximum cross-section area of described filter screen is less than described in described water inlet and described delivery port.

2. filter according to claim 1, is characterized in that, described connection sealing ring is removably located at described water outlet and exposes described shell from described delivery port.

3. filter according to claim 2, is characterized in that, described screen pack comprises:

Tubular filter house, described tubular filter house is connected with the described sealing ring that is connected;

End filter house, described end filter house is located at one end of the described water inlet of vicinity of described tubular filter house, and described end filter house is the taper shape protruded towards described water inlet.

4. filter according to claim 2, is characterized in that, described shell is provided with the water out adapter that is communicated with described delivery port and described water out adapter is provided with internal thread, and described connection sealing ring is located on the inner peripheral surface of described water out adapter.

5. filter according to claim 4, is characterized in that, described shell or described water out adapter are provided with for connecting the sealing ring spacing preiection of sealing ring towards the inside movement of described shell described in backstop.

6. filter according to claim 1, is characterized in that, described connection sealing ring is removably located at described water inlet and exposes described shell from described water inlet.

7. filter according to claim 6, is characterized in that, described screen pack comprises:

Tubular filter house, described tubular filter house is connected with the described sealing ring that is connected;

End filter house, described end filter house is located at one end of the described delivery port of vicinity of described tubular filter house, and described end filter house is the segment-shaped protruded towards described delivery port.

8. filter according to claim 6, it is characterized in that, described shell is provided with the water supply connector that is communicated with described water inlet and described water supply connector is provided with external screw thread, and described connection sealing ring is located on the end face away from described shell of described water supply connector.

9. filter according to claim 1, is characterized in that, described connection sealing ring and described filter screen one-body molded.

10. filter according to claim 1, is characterized in that, the cross-sectional area of the inner space of described shell is reduced gradually by described water inlet and the described delivery port center to the imaginary line of described water inlet and described delivery port respectively.

11. filters according to any one of claim 1-10, it is characterized in that, described shell comprises:

Lower house, described water inlet is located on described lower house;

Upper shell, described upper shell is removably mounted on described lower house, and described delivery port is located on described upper shell.

12. filters according to claim 11, is characterized in that, described lower house and described upper shell are threaded, and are provided with body seal circle between described lower house and described upper shell.