CN220957011U

CN220957011U - Tap filtration subassembly

Info

Publication number: CN220957011U
Application number: CN202322569221.8U
Authority: CN
Inventors: 潘慧玲
Original assignee: Zhejiang Kaituo Bathroom Technology Co ltd
Current assignee: Zhejiang Kaituo Bathroom Technology Co ltd
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2024-05-14
Anticipated expiration: 2033-09-21

Abstract

The utility model provides a faucet filtering component, and belongs to the technical field of bathrooms. It has solved the inconvenient problem of equipment of current tap. The utility model relates to a faucet, which comprises a valve body and an elbow, wherein the valve body comprises a water inlet hole, a water outlet hole and a water passing cavity for communicating the water inlet hole and the water outlet hole, the upper end of the elbow is inserted into the water outlet hole and fixedly connected with the valve body through a press cap, a filter assembly comprises filter cotton in a block shape and a filter screen arranged in the water passing cavity, the upper end of the elbow is provided with an annular step, and the annular step consists of a step side wall and a step bottom wall which are all annular; the filter cotton is arranged in the annular step, one side of the filter cotton is tightly pressed on the bottom wall of the step so as to completely cover the inner hole of the bottom wall of the step, a compression ring is coaxially fixed in the water outlet, and the compression ring is tightly pressed on the edge of the other side of the filter cotton. The faucet filtering component is convenient to assemble.

Description

Tap filtration subassembly

Technical Field

The utility model belongs to the technical field of bathroom, and relates to a faucet, in particular to a faucet filtering assembly.

Background

The tap is commonly called a water valve and is used for controlling the size of water flow.

In order to improve the water quality, some water taps sold in the market have a filtering function, and the water tap has a structure like a water tap (application number: 201521022827.9) capable of detecting and purifying water quality, which is disclosed in China patent library, and comprises a water tap shell, a handle, a valve rod, a valve body, a valve core, a water inlet channel and a water outlet channel, wherein an external thread is screwed into the water tap, a PP cotton filter element capable of detecting water quality is arranged at the water tap, the water outlet channel is screwed into, and when water is normally used, water flows through the PP cotton filter element, colloid impurities, micro mud, rust, worm eggs and organic pollution mineral impurities with the diameter larger than 5 microns can be filtered out, and the quality of the water quality can be determined according to the color change degree of the filter element; one end of the PP cotton filter element of the water quality detection and purification faucet extends into the water outlet channel, and the other end of the PP cotton filter element is connected to an external screw-in water nozzle, so that the filter element can be taken out by screwing the water nozzle when the filter element is replaced; the external thread screw-in type water tap of the water quality detection and purification tap is a porous water outlet net, so that the filter element is prevented from being flushed out under the action of water flow; the water tap is characterized in that a connecting joint is arranged on the water tap capable of detecting and purifying water quality and can be inserted into the PP cotton filter element, and the uppermost end of the water tap is T-shaped, so that the filter element can be discharged together when the filter element is replaced and screwed out of the water tap.

In the faucet, the PP cotton filter element is fixed on the water nozzle by using the T-shaped connecting joint, and according to the attached drawing of the faucet, the PP cotton filter element is required to be provided with a mounting hole matched with the connecting joint, the upper end of the connecting joint is clamped into the mounting hole to be fixedly connected with the PP cotton filter element, and the mode not only requires to be provided with a specific hole site on the PP cotton filter element, but also increases an assembling step, so that the faucet is not beneficial to processing and assembling.

Disclosure of utility model

The utility model aims at solving the problems in the prior art and provides a faucet filtering assembly which is convenient to process and assemble.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a tap filter assembly, tap includes valve body and return bend, and the valve body includes inlet opening, apopore and is used for the water cavity of intercommunication inlet opening and apopore, and the return bend upper end inserts the apopore and links firmly with the valve body through pressing the cap, and this filter assembly is including being massive filter cotton and setting up the filter screen in the water cavity, and characterized in that, the return bend upper end is annular step, and annular step comprises annular step lateral wall and step diapire all; the filter cotton is arranged in the annular step, one side of the filter cotton is tightly pressed on the bottom wall of the step so as to completely cover the inner hole of the bottom wall of the step, a compression ring is coaxially fixed in the water outlet, and the compression ring is tightly pressed on the edge of the other side of the filter cotton.

The filter cotton is clamped and positioned between the bottom wall of the step and the compression ring, and when in actual installation, the filter cotton is only required to be placed into the annular step and is synchronously positioned along with the insertion of the upper end of the bent pipe into the water outlet hole, so that excessive processing of the filter cotton is not required, assembly steps can be greatly reduced, and the processing and the assembly are effectively facilitated.

In the faucet filtering assembly, the annular limiting seat is coaxially formed on the inner wall of the water outlet hole, and the pressing ring is clamped and positioned between the upper end surface of the bent pipe and the limiting seat. The compression ring and the filter cotton are synchronously positioned with the bent pipe, so that the assembly steps can be further reduced, and the installation is facilitated.

In the above-mentioned faucet filtering component, the axial section of the above-mentioned clamping ring is L-shaped, the clamping ring is made up of ring body one and ring body two that set up perpendicularly, ring body two is located between ring body one and return bend, ring body two is pressed on filter cotton and return bend, ring body one presses on the spacing seat. By adopting the design, the device has the advantages of simple structure, convenient installation and the like.

In the faucet filtering assembly, the outer side face of the first ring body is attached to the inner side face of the water outlet hole, so that the contact area between the pressing ring and the valve body is increased, and the pressing ring is positioned more stably.

In the above faucet filter assembly, the inner wall of the outlet hole at the orifice is a conical surface one, the diameter of the conical surface one is gradually reduced from the elbow to the compression ring, a conical surface two matched with the conical surface one is formed on the side wall of the step, and the conical surface one and the conical surface two are in close contact. The first conical surface is matched with the second conical surface, so that the relative positions of the bent pipe and the valve body are forcedly corrected, the installation accuracy is improved, and the stable operation of the faucet is ensured.

In the faucet filtering assembly, the annular positioning seat is formed on the outer side of the side wall of the step, the pressing cap is sleeved at the upper end of the bent pipe and is in threaded connection with the outside of the valve body, the annular retaining shoulder is formed on the inner wall of the pressing cap, the positioning seat is positioned between the annular retaining shoulder and the valve body, and the annular retaining shoulder is tightly pressed on the positioning seat.

In the faucet filtering assembly, the rubber ring is sleeved outside the side wall of the step, and two end faces of the rubber ring are respectively pressed on the valve body and the positioning seat. Under the close fit of the rubber ring, the first conical surface and the second conical surface, the sealing path formed between the bent pipe and the valve body is effectively prolonged, so that the stable operation of the faucet is ensured.

In the faucet filtering assembly, a circle of approximately triangular reinforcing ribs are formed between the first ring body and the second ring body, and the reinforcing ribs are positioned on the inner side of the pressing ring so as to effectively strengthen the compressive strength of the pressing ring, enable the pressing ring to bear larger clamping force and strengthen the positioning strength and stability of the pressing ring.

In the faucet filtering assembly, the compression ring is integrally formed in a casting mode.

Compared with the prior art, the faucet filtering assembly has the following advantages:

1. The filter cotton is clamped and positioned between the bottom wall of the step and the compression ring, and when in actual installation, the filter cotton is only required to be placed into the annular step and is synchronously positioned along with the insertion of the upper end of the bent pipe into the water outlet hole, so that excessive processing of the filter cotton is not required, assembly steps can be greatly reduced, and the processing and the assembly are effectively facilitated.

2. The compression ring and the filter cotton are synchronously positioned with the bent pipe, so that the assembly steps can be further reduced, and the installation is facilitated.

Drawings

Fig. 1 is a schematic perspective view of a faucet.

Fig. 2 is a schematic cross-sectional view of a faucet.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

In the figure, 1, a bent pipe; 1a, a positioning seat; 1b, annular steps; 1b1, step side walls; 1b2, a step bottom wall; 1c, a conical surface II; 2. a valve body; 2a, water inlet holes; 2b, water outlet holes; 2c, a limiting seat; 2d, a conical surface I; 3. a core; 4. a filter screen; 5. pressing the cap; 6. a rubber ring; 7. filtering cotton; 8. a compression ring; 8a, ring body one; 8b, a second ring body; 8c, reinforcing ribs.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, the faucet includes a ball valve and an elbow 1 provided at one side of the ball valve.

Wherein,

The ball valve is of the type of a filtering ball valve, the structure of the ball valve is the same as that of the existing product, the ball valve comprises a valve body 2, a ball core 3 and a cylindrical filter screen 4, specifically, inner holes at two ends of the valve body 2 are a water inlet hole 2a and a water outlet hole 2b respectively, a water passing cavity communicated with the water inlet hole 2a and the water outlet hole 2b is formed in the valve body 2, the ball core 3 and the filter screen 4 are arranged in the water passing cavity, and the filter screen 4 is arranged between the ball core 3 and the water outlet hole 2 b.

The upper end of the bent pipe 1 is inserted into the water outlet hole 2b and fixedly connected with the valve body 2 through the pressing cap 5, specifically, the upper end of the bent pipe 1 and the axis of the valve body 2 are collinear, an annular positioning seat 1a is formed on the outer wall of the upper end of the bent pipe 1, the pressing cap 5 is sleeved at the upper end of the bent pipe 1 and is screwed outside the valve body 2, an annular blocking shoulder is formed on the inner wall of the pressing cap 5, the positioning seat 1a is positioned between the annular blocking shoulder and the valve body 2, and the annular blocking shoulder is tightly pressed on the positioning seat 1 a. Further, the upper end of the bent pipe 1 is sleeved with a rubber ring 6, and two end faces of the rubber ring 6 are respectively pressed on the end face of the valve body 2 and the positioning seat 1a, so that reliable and stable sealing is formed between the bent pipe 1 and the valve body 2.

As shown in fig. 2 and 3, the present faucet filter assembly includes the filter screen 4 and the filter cotton 7 in a block shape, and preferably the filter cotton 7 is pp cotton. The upper end of the bent pipe 1 is provided with an annular step 1b, and the annular step 1b is composed of a step side wall 1b1 and a step bottom wall 1b2 which are all annular. The filter cotton 7 is arranged in the annular step 1b, one side of the filter cotton 7 is tightly pressed on the step bottom wall 1b2 to completely cover the inner hole of the step bottom wall 1b2, the inside of the water outlet hole 2b is coaxially fixed with the press ring 8, and the press ring 8 is tightly pressed on the edge of the other side of the filter cotton 7. The filter cotton 7 is clamped and positioned between the step bottom wall 1b2 and the compression ring 8, and when in actual installation, the filter cotton 7 is only required to be placed into the annular step 1b, and the filter cotton 7 is synchronously positioned along with the upper end of the bent pipe 1 inserted into the water outlet hole 2b, so that excessive processing of the filter cotton 7 is not required, assembly steps can be greatly reduced, and the processing and the assembly are effectively convenient.

In the present embodiment of the present invention, in the present embodiment,

The side wall of the filter cotton 7 is attached to the side wall 1b1 of the step, so that the pre-positioning of the filter cotton 7 is realized, and the subsequent installation is facilitated.

The positioning mode of the pressing ring 8 is as follows: an annular limiting seat 2c is coaxially formed on the inner wall of the water outlet hole 2b, and a compression ring 8 is clamped and positioned between the upper end surface of the bent pipe 1 and the limiting seat 2 c. The compression ring 8 and the filter cotton 7 are synchronously positioned with the bent pipe 1, so that the assembly steps can be further reduced, and the installation is facilitated. Specifically, the axial section of the compression ring 8 is L-shaped, the compression ring 8 consists of a first ring body 8a and a second ring body 8b which are vertically arranged, the second ring body 8b is positioned between the first ring body 8a and the elbow pipe 1, the second ring body 8b is pressed on the filter cotton 7 and the elbow pipe 1 in a pressure equalizing manner, and the first ring body 8a is pressed on the limiting seat 2 c. By adopting the design, the device has the advantages of simple structure, convenient installation and the like.

Further, the outer side surface of the first ring body 8a is attached to the inner side surface of the water outlet hole 2b, so as to increase the contact area between the pressure ring 8 and the valve body 2, and enable the pressure ring 8 to be positioned more stably. A circle of reinforcing ribs 8c which are approximately triangular are formed between the first ring body 8a and the second ring body 8b, and the reinforcing ribs 8c are positioned on the inner side of the pressing ring 8 so as to effectively strengthen the compressive strength of the pressing ring 8, enable the pressing ring 8 to bear larger clamping force and strengthen the positioning strength and stability of the pressing ring 8.

Preferably, the compression ring 8 is integrally formed by casting.

As shown in fig. 3, the inner wall of the water outlet hole 2b at the hole opening is a conical surface one 2d, the diameter of the conical surface one 2d gradually decreases from the elbow pipe 1 to the compression ring 8, a conical surface two 1c matched with the conical surface one 2d is formed on the step side wall 1b1, and the conical surface one 2d and the conical surface two 1c are in close contact. The first conical surface 2d is matched with the second conical surface 1c, so that the relative positions of the elbow pipe 1 and the valve body 2 are forcibly corrected, the installation accuracy is improved, and the sealing path formed between the elbow pipe 1 and the valve body 2 can be effectively prolonged, so that the stable operation of the faucet is ensured.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a tap filtration subassembly, tap includes valve body (2) and return bend (1), valve body (2) are including inlet opening (2 a), apopore (2 b) and be used for the water cavity of intercommunication inlet opening (2 a) and apopore (2 b), return bend (1) upper end inserts apopore (2 b) and link firmly with valve body (2) through pressing cap (5), this filtration subassembly is including being massive filter cotton (7) and setting up filter screen (4) in the water cavity, characterized in that, return bend (1) upper end is annular step (1 b), and annular step (1 b) are by all being annular step lateral wall (1 b 1) and step diapire (1 b 2) constitution; the filter cotton (7) is arranged in the annular step (1 b), one side of the filter cotton (7) is tightly pressed on the bottom wall (1 b 2) of the step to completely shield the inner hole of the bottom wall (1 b 2) of the step, the compression ring (8) is coaxially fixed in the water outlet hole (2 b), and the compression ring (8) is tightly pressed on the edge of the other side of the filter cotton (7).

2. Tap filter assembly according to claim 1, characterised in that the inner wall of the outlet opening (2 b) is coaxially formed with a circular limit seat (2 c), and that the pressure ring (8) is clamped and positioned between the upper end surface of the elbow (1) and the limit seat (2 c).

3. The faucet filter assembly according to claim 2, wherein the axial cross section of the press ring (8) is L-shaped, the press ring (8) is composed of a first ring body (8 a) and a second ring body (8 b) which are vertically arranged, the second ring body (8 b) is located between the first ring body (8 a) and the elbow (1), the second ring body (8 b) is pressed on the filter cotton (7) and the elbow (1), and the first ring body (8 a) is pressed on the limiting seat (2 c).

4. A tap filter arrangement according to claim 3, characterised in that the outer side of the ring body one (8 a) is attached to the inner side of the outlet opening (2 b).

5. The faucet filter assembly according to claim 2, 3 or 4, wherein the inner wall of the water outlet hole (2 b) at the orifice is a conical surface one (2 d), the diameter of the conical surface one (2 d) gradually decreases from the elbow pipe (1) to the compression ring (8), a conical surface two (1 c) matched with the conical surface one (2 d) is formed on the step side wall (1 b 1), and the conical surface one (2 d) and the conical surface two (1 c) are in close contact.

6. The faucet filtering assembly according to claim 1, wherein an annular positioning seat (1 a) is formed on the outer side of the step side wall (1 b 1), the pressing cap (5) is sleeved at the upper end of the bent pipe (1) and is screwed outside the valve body (2), an annular blocking shoulder is formed on the inner wall of the pressing cap (5), the positioning seat (1 a) is positioned between the annular blocking shoulder and the valve body (2), and the annular blocking shoulder is tightly pressed on the positioning seat (1 a).

7. The faucet filter assembly according to claim 6, wherein the step side wall (1 b 1) is sleeved with a rubber ring (6), and two end faces of the rubber ring (6) are respectively pressed on the valve body (2) and the positioning seat (1 a).

8. A tap filter arrangement according to claim 3 or 4, characterised in that a ring of generally triangular ribs (8 c) is formed between the first ring (8 a) and the second ring (8 b), and that the ribs (8 c) are located inside the collar (8).

9. Tap filter assembly according to claim 8, characterised in that the pressure ring (8) is integrally formed by casting.