CN216778171U

CN216778171U - Filter top cover and universal prefilter

Info

Publication number: CN216778171U
Application number: CN202220195690.0U
Authority: CN
Inventors: 刁统洋; 董祥
Original assignee: Jiangsu Pure Environment Technology Co ltd
Current assignee: Jiangsu Pure Environment Technology Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-21
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a filter top cover and a universal pre-filter, wherein the top cover comprises a top cover body and a valve head, the valve head comprises a valve head main body positioned in the top cover body and a valve head joint spliced with the valve head main body and positioned outside the top cover body, the valve head joint is provided with a water inlet and a water outlet, the valve head main body is provided with a pin hole or a pin groove, and the valve head joint is provided with a pin groove or a pin hole, so that the valve head main body and the valve head joint can be connected through a bolt, and the valve head joint can rotate relative to the valve head main body. The valve head is divided into the valve head body and the valve head joint which are inserted through the bolt, and the bolt is inserted into the pin hole and then abuts against the groove wall of the pin groove, so that the valve head joint cannot move relative to the valve head body in the axial direction but can rotate relative to the valve head body, the direction of the valve head joint is convenient to adjust, and the problem of installation limitation is solved.

Description

Filter top cover and universal front filter

Technical Field

The present invention relates to filtration devices, and in particular, to a filter top cap and a universal prefilter.

Background

The pre-filter is usually installed behind the water meter of the water inlet pipe to ensure that a large amount of precipitated impurities generated in the pipe network cannot cause harm to human bodies, and plays an active protection role in hidden laying of pipes, taps, electric appliances and the like. The pre-filter is a secondary pollution gram, and is a reliable impurity filtering device. The household pre-filter is the first coarse filter for water in the whole house and can filter silt, rust and large granular matters in tap water.

The pre-filter on the existing market generally adopts a mounting mode to be fixed, if the pre-filter meets the space limitation of mounting during mounting, the fixed filter can bring certain limitation when the pipeline is in a complex position, the mounting is very inconvenient, the phenomenon of complex connection and the like is caused, and the inconvenience is brought to the use of a user.

Therefore, universal filters have been developed to overcome the limitations of fixed filter installations, and the conventional universal filters are basically connected by threads, which are costly and time-consuming in terms of cost and assembly.

In addition, the valve head of the front filter device is basically made of brass, and the valve head can be corroded when being contacted with water for a long time.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems of material waste and time-consuming assembly of the universal filter, the utility model provides the filter top cover, the top cover adopts a bolt device to replace a threaded connection mode, the cost can be reduced from the material use aspect, and the assembly is more convenient.

In order to achieve the above object, in one aspect, the present invention provides a filter top cover, which includes a top cover body and a valve head, where the valve head includes a valve head main body located in the top cover body and a valve head joint inserted into the valve head main body and located outside the top cover body, the valve head joint is provided with a water inlet and a water outlet, the valve head main body is provided with a pin hole or a pin groove, and the valve head joint is provided with a pin groove or a pin hole, so that the valve head main body and the valve head joint can be connected by a plug pin, and the valve head joint can rotate relative to the valve head main body.

Preferably, the valve head body is sleeved on the valve head joint, two pairs of pin holes are symmetrically formed in the valve head body, a pin groove is formed in the outer wall of the valve head joint, and after the pin is inserted into the pin holes, the main body of the pin is located in the valve head body and contacts with the wall of the pin groove.

Preferably, the bolt comprises inserting parts at two ends and a connecting part connected with the inserting parts, and the joint of the inserting parts and the connecting part is in an arc shape matched with the inner wall of the bolt groove.

Furthermore, the connecting part protrudes from the inserting part.

Preferably, the pin hole is an elongated hole.

Preferably, guard plates are arranged on two sides of the pin hole.

Preferably, one side of the pin groove is provided with at least one sealing groove for accommodating a sealing ring.

Further, be equipped with the inserts in the valve head joint, be equipped with the built-in lid in the valve head main part, the inserts with the built-in lid is connected through the built-in lid connecting piece, be equipped with inserts inhalant canal and inserts water outlet channel in the inserts, be equipped with on the inserts with the inserts water inlet of inserts inhalant canal intercommunication and with the inserts delivery port of inserts water outlet channel intercommunication, be equipped with built-in lid inhalant canal and built-in lid water outlet channel in the built-in lid connecting piece, built-in lid inhalant canal with inserts inhalant canal and the water inlet intercommunication of built-in lid, built-in lid water outlet channel with inserts water outlet channel and the delivery port intercommunication of built-in lid.

Furthermore, the insert comprises an inner cylinder and an outer cylinder which are sleeved, the inner cylinder is communicated with the insert water inlet to form the insert water inlet channel, and the outer cylinder is communicated with the insert water outlet to form the insert water outlet channel.

In a second aspect, the utility model provides a gimbaled prefilter comprising the filter top described above.

Through the technical scheme, the utility model has the following beneficial effects:

1. the valve head is divided into the valve head body and the valve head joint which are inserted through the bolt, and the bolt is inserted into the pin hole and then abuts against the groove wall of the pin groove, so that the valve head joint cannot move relative to the valve head body in the axial direction but can rotate relative to the valve head body, the direction of the valve head joint is convenient to adjust, and the problem of installation limitation is solved.

2. In a preferred technical scheme of the utility model, the valve head is internally provided with the insert, the valve head is used for ensuring the pressure resistance of the valve head, and the insert is used for isolating the contact of water and the valve head to avoid the corrosion of the surface of the valve head.

Drawings

FIG. 1 is a schematic structural view of one embodiment of a filter head according to the present invention;

FIG. 2 is a front view of one embodiment of the filter head of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a side view of FIG. 2;

FIG. 5 is a top view of FIG. 2;

FIG. 6 is a front view of one embodiment of a valve head body of the present invention;

FIG. 7 is a perspective view of one embodiment of a valve head body of the present invention;

FIG. 8 is a perspective view of the valve head body of the present invention viewed from another direction;

FIG. 9 is a front view of one embodiment of a valve head adapter of the present invention;

FIG. 10 is a perspective view of one embodiment of a valve head adapter according to the present invention;

FIG. 11 is a schematic structural view of one embodiment of the latch of the present invention;

FIG. 12 is a schematic view of the attachment of the insert, the bezel and the bezel connector of the present invention;

FIG. 13 is a perspective view of FIG. 12;

fig. 14 is a schematic structural diagram of the universal prefilter of the present invention.

Description of the reference numerals

1 Top cover body

2 valve head, 21 valve head main body, 211 pin hole, 212 protective plate, 22 valve head joint, 221 water inlet, 222 water outlet, 223 pin groove and 224 sealing groove

3 plug pin, 31 plug part and 32 connecting part

41 insert, 411 insert water inlet channel, 412 insert water outlet channel, 42 embedding cover, 43 embedding cover connecting piece, 431 embedding cover water inlet channel and 432 embedding cover water outlet channel

5 Filter body

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

It should be noted that, in the following description, for the purpose of clearly explaining the technical solution of the present invention, some directional terms, such as "outside", "inside", and the like, are used in the same sense as the directional terms normally used for the components of the filter, for example, the portion through which the liquid passes is inside, and the portion opposite to the portion is outside, so as to facilitate the description of the present invention and simplify the description, but do not indicate or imply that the device or the element to be referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 13, the filter top cover of the present invention includes a top cover body 1 and a valve head 2, the valve head 2 includes a valve head main body 21 located in the top cover body 1 and a valve head adapter 22 inserted into the valve head main body and located outside the top cover body 1, the valve head adapter 22 is provided with a water inlet 221 and a water outlet 222, the valve head main body 21 is provided with a pin hole 211 or a pin groove, and the valve head adapter 22 is provided with a pin groove 223 or a pin hole, so that the valve head main body 21 and the valve head adapter 22 can be connected by a plug pin 3, and the valve head adapter 22 can rotate relative to the valve head main body 21. For the installation is firm, there are two pairs of pinhole. The plug pin 3 is preferably made of metal having elasticity to accommodate the pin hole and the pin groove.

Among the above-mentioned technical scheme, the bolt 3 supports on the cell wall of keyway after inserting in the pinhole for valve head joint 22 can not move relative to valve head main part 21 in the axial, but can rotate relative to it, so that the direction of adjusting valve head joint 22, overcome the installation limitation problem. In the utility model, the valve head joint 22 and the valve head body 21 are connected simply, and compared with the traditional universal connection mode, the universal connection mode is quicker to assemble and lower in use cost.

As a preferred embodiment of the present invention, as shown in fig. 1 to 5, the valve head body 21 is sleeved on the valve head adapter 22, as shown in fig. 6 to 8, two pairs of pin holes 211 are symmetrically arranged on the valve head body 21, as shown in fig. 9 to 10, a pin groove 223 is arranged on an outer wall of the valve head adapter 22, and after the plug pin 3 is inserted into a pair of the pin holes 211, the body of the plug pin 3 is located in the valve head body 21 and contacts with a groove wall of the pin groove 223.

As shown in fig. 11, the plug 3 includes plug parts 31 at two ends and a connecting part 32 connected to the plug parts 31, and the joint between the plug parts 31 and the connecting part 32 is an arc shape adapted to the inner wall of the pin groove 223, so that the contact area between the plug 3 and the pin groove 223 can be increased, the plug 3 is not easily separated from the pin groove 223, and the reliability of connection between the valve head body 21 and the valve head connector 22 is ensured.

The connecting portion 32 protrudes from the insertion portion 31. This arrangement facilitates grasping of the connecting portion 32 to insert or remove the plug pin 3 from the pin hole.

The pin hole 211 is an elongated hole. Compared with a round hole, the long strip-shaped hole is more convenient for the bolt 3 to be inserted into the corresponding pin hole.

Guard plates 212 are arranged on two sides of the pin hole 211. The guard plate 212 can protect the plug pin 3 to prevent the plug pin 3 from being accidentally touched, which affects the reliability of the connection between the valve head body 21 and the valve head connector 22.

At least one sealing groove 224 for accommodating a sealing ring is formed in one side of the pin groove 223, and the sealing ring is placed in the sealing groove 224 so as to improve the sealing performance between the valve head body 21 and the valve head connector 22.

Because the valve head of leading filter device all adopts the brass material basically, the condition that can appear the corrosion in the long-term contact of water appears, not only shortens the life of valve head, can release heavy metal ion moreover, pollutes quality of water. Therefore, as shown in fig. 3, 12 and 13, an insert 41 is disposed in the valve head joint 22, the insert 41 is preferably made of plastic, a cover 42 is disposed in the valve head body 21, the insert 41 and the cover 42 are connected by a cover connecting piece 43, an insert water inlet passage 411 and an insert water outlet passage 412 are disposed in the insert 41, an insert water inlet communicated with the insert water inlet passage 411 and an insert water outlet communicated with the insert water outlet passage 412 are disposed on the insert 41, a cover water inlet passage 431 and a cover water outlet passage 432 are disposed in the cover connecting piece 43, the cover water inlet passage 431 is communicated with the insert water inlet passage 411 and the cover 42, and the cover water outlet passage 432 is communicated with the insert water outlet passage 412 and the cover 42. Under this kind of condition, copper valve head 2 is used for guaranteeing the compressive property of valve head, and inserts 41, closing cap 42, closing cap connecting piece 43 are used for isolated water and the contact of valve head 2, and in the in-process of using, filterable rivers do not produce the contact with the copper valve, stop the corrosion on copper valve surface.

As a preferred embodiment of the insert 41 of the present invention, the insert 41 includes an inner cylinder and an outer cylinder, the inner cylinder is communicated with the insert water inlet to form the insert water inlet channel 411, and the outer cylinder is communicated with the insert water outlet to form the insert water outlet channel 412.

In another aspect, the present invention provides a universal prefilter comprising a filter top cover as described above and a filter body 5, as shown in fig. 14, the filter body 5 being provided with a filter insert (not shown). In a preferred embodiment of the present invention, the filter element and the filter body constitute a water inlet chamber, the water inlet chamber is communicated with the water inlet, and the filter element is internally communicated with the water outlet.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the utility model is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. The filter top cover is characterized by comprising a top cover body (1) and a valve head (2), wherein the valve head (2) comprises a valve head main body (21) positioned in the top cover body (1) and a valve head joint (22) spliced with the valve head main body and positioned outside the top cover body (1), a water inlet (221) and a water outlet (222) are formed in the valve head joint (22), a pin hole (211) or a pin groove is formed in the valve head main body (21), a pin groove (223) or a pin hole is formed in the valve head joint (22), so that the valve head main body (21) and the valve head joint (22) can be connected through a plug pin (3), and the valve head joint (22) can rotate relative to the valve head main body (21).

2. The filter top cover according to claim 1, wherein the valve head body (21) is sleeved on the valve head joint (22), two pairs of symmetrically arranged pin holes (211) are formed in the valve head body (21), a pin groove (223) is formed in the outer wall of the valve head joint (22), and after the plug pin (3) is inserted into one pair of the pin holes (211), the body of the plug pin (3) is located in the valve head body (21) and is in contact with the groove wall of the pin groove (223).

3. A filter head according to claim 1, characterised in that the plug (3) comprises a plug part (31) at both ends and a connecting part (32) connecting the plug part (31), the connection between the plug part (31) and the connecting part (32) being in the shape of an arc adapted to the inner wall of the pin groove (223).

4. A filter head according to claim 3, characterised in that the connecting part (32) is arranged to project from the plug-in part (31).

5. Filter head according to claim 1, wherein the pin holes (211) are elongated holes.

6. Filter head according to claim 1, wherein the pin holes (211) are provided with a guard plate (212) on both sides.

7. Filter head according to claim 1, characterized in that one side of the pin groove (223) is provided with at least one sealing groove (224) for receiving a sealing ring.

8. Filter head cover according to one of the claims 1 to 7, wherein an insert (41) is provided in the valve head adapter (22), an embedded cover (42) is arranged in the valve head main body (21), the embedded piece (41) is connected with the embedded cover (42) through an embedded cover connecting piece (43), an insert water inlet channel (411) and an insert water outlet channel (412) are arranged in the insert (41), the insert (41) is provided with an insert water inlet communicated with the insert water inlet channel (411) and an insert water outlet communicated with the insert water outlet channel (412), a cover-embedded water inlet channel (431) and a cover-embedded water outlet channel (432) are arranged in the cover-embedded connecting piece (43), the embedded cover water inlet channel (431) is communicated with the embedded cover water inlet channel (411) and the water inlet of the embedded cover (42), the cover outlet channel (432) is communicated with the insert outlet channel (412) and the water outlet of the embedded cover (42).

9. A filter head according to claim 8, wherein the insert (41) comprises nested inner and outer barrels, the inner barrel communicating with the insert inlet to form the insert inlet passage (411), and the outer barrel communicating with the insert outlet to form the insert outlet passage (412).

10. A gimbaled prefilter comprising a filter top according to any one of claims 1 to 9.