CN217746122U

CN217746122U - Sealing joint structure

Info

Publication number: CN217746122U
Application number: CN202221245879.2U
Authority: CN
Inventors: 陶林兵; 杨玖林; 玄珍雨; 蔡雪刚
Original assignee: Foshan Micro Midea Filter Manufacturing Co Ltd
Current assignee: Foshan Micro Midea Filter Manufacturing Co Ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-11-08
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses a sealing joint structure, which comprises a filter element head component, a connecting pipe and a fixing device, wherein the filter element head component is provided with a water gap; the connecting pipe comprises a first pipe and a second pipe, the diameter of the first pipe is smaller than that of the second pipe, the first pipe is arranged in the water port, a sealing ring is arranged between the inner wall of the water port and the outer wall of the first pipe, and a sealing gasket is arranged between the second pipe and the end face of the water port; the fixing device is used for connecting the filter element head assembly and the connecting pipe so as to enable the water port and the second pipe to be close to each other and further squeeze the sealing gasket. The utility model discloses terminal surface and side between takeover and the filter core head subassembly are equipped with sealed pad and sealing washer respectively, and then realize the double containment of product through sealing washer and sealed pad, improve filter core leakproofness and reliability.

Description

Sealing joint structure

Technical Field

The utility model relates to a filter core technical field especially relates to a sealing joint structure.

Background

In recent years, people pay more and more attention to the safety of drinking water due to the improvement of living standard, but in general tap water, bacteria, harmful substances, organic substances, suspended substances and the like generally exist, and influence on body health to a certain extent is generated, so that the use of the water purifier is more and more popular. The filter element head assembly in the existing water purifier needs to be connected through a connecting pipe, raw water is conveyed into the filter element through the connecting pipe or filtered water is output through the connecting pipe, the existing filter element head assembly and the connecting pipe are connected in a simple mode, and the water leakage risk between the existing filter element head assembly and the connecting pipe is large.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a sealed better sealing joint structure of effect.

According to the utility model discloses a sealing joint structure of first aspect embodiment, including filter core head subassembly, takeover and fixing device, the filter core head subassembly has the mouth of a river; the connecting pipe comprises a first pipe and a second pipe, the diameter of the first pipe is smaller than that of the second pipe, the first pipe is arranged in the water port, a sealing ring is arranged between the inner wall of the water port and the outer wall of the first pipe, and a sealing gasket is arranged between the second pipe and the end face of the water port; the fixing device is used for connecting the filter element head assembly and the connecting pipe so as to enable the water port and the second pipe to be close to each other and further press the sealing gasket.

According to the utility model discloses sealing joint structure has following technological effect at least: the end face and the side face between the connecting pipe and the filter element head component are respectively provided with a sealing gasket and a sealing gasket, so that the double sealing of the product is realized through the sealing gasket and the sealing gasket, and the sealing performance and the reliability of the filter element are improved.

According to some embodiments of the utility model, fixing device includes fixture block and nut, the fixture block is located on the takeover, the front end of nut overlap in take over outside and block in on the fixture block, the rear end of nut with the cartridge head subassembly is threaded connection.

According to some embodiments of the utility model, the fixture block is the jump ring.

According to the utility model discloses a some embodiments, be equipped with first recess on the second pipe, fixture block detachably install in on the first recess.

According to the utility model discloses a some embodiments, fixing device still includes hollow adapter, adapter detachably cover is located outside the mouth of a river, the nut with the adapter is threaded connection.

According to some embodiments of the utility model, be equipped with a plurality of second recesses on the filter core head subassembly, the inside of adapter be equipped with second recess complex lug.

According to some embodiments of the invention, the maximum diameter of the sealing gasket is larger than the diameter of the second tube.

According to some embodiments of the utility model, the nut adopts the copper product processing to form.

According to some embodiments of the utility model, sealed the pad and be close to the one end of mouth of a river terminal surface is equipped with the breach.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a cross-sectional view of a sealing joint structure according to an embodiment of the present invention;

fig. 2 is an enlarged view of a point a shown in fig. 1.

Reference numerals: the filter cartridge comprises a filter cartridge head assembly 100, a water gap 110, a second groove 111, a connecting pipe 200, a first pipe 210, a second pipe 220, a first groove 221, a sealing ring 230, a sealing gasket 240, a fixing device 300, a fixture block 310, a nut 320, an adapter 330 and a projection 331.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated, for example, up, down, left, right, etc., referred to the orientation description is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality is two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, and the like are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 and 2, a sealing joint structure according to an embodiment of the present invention includes a cartridge head assembly 100, a connection pipe 200, and a fixing device 300, the cartridge head assembly 100 having a water gap 110; the adapter tube 200 comprises a first tube 210 and a second tube 220, the diameter of the first tube 210 is smaller than that of the second tube 220, the first tube 210 is arranged in the nozzle 110, a sealing ring 230 is arranged between the inner wall of the nozzle 110 and the outer wall of the first tube 210, and a sealing gasket 240 is arranged between the second tube 220 and the end surface of the nozzle 110; the fixing device 300 is used to connect the cartridge head assembly 100 and the adapter tube 200 to bring the nozzle 110 and the second tube 220 close to each other to compress the sealing gasket 240.

For example, as shown in fig. 1, the filter element head assembly 100 has water inlets 110 for inlet water and outlet water, and both the water inlet 110 and the water outlet 110 can be connected to the connection pipe 200, so that both the water inlet end and the water outlet end of the filter element can reduce the risk of water leakage, and improve the reliability of the filter element; as shown in fig. 1 and 2, the connection pipe 200 includes two sections of pipes, which are a first pipe 210 and a second pipe 220, respectively, an outer diameter of the first pipe 210 is smaller than an outer diameter of the second pipe 220, an inner diameter of the first pipe 210 is the same as an inner diameter of the second pipe 220, the outer diameter of the first pipe 210 is the same as the inner diameter of the nozzle 110, and the first pipe 210 can be disposed in the nozzle 110, an O-ring 230 is disposed between a sidewall of the first pipe 210 and an inner wall of the nozzle 110, specifically, a recess for mounting the sealing ring 230 is disposed on the first pipe 210, a depth of the recess is smaller than a diameter length of the sealing ring 230, and a part of the sealing ring 230 is disposed outside the recess and abuts against the inner wall of the nozzle 110, so as to achieve sealing between the sidewall of the first pipe 210 and the inner wall of the nozzle 110, i.e., side sealing; in the embodiment, an annular sealing gasket 240 is arranged between the right end surface of the nozzle 110 and the left end surface of the second pipe 220, and the sealing gasket 240 realizes sealing between the nozzle 110 and the second pipe 220, namely end surface sealing; the fixing device 300 is used for fixing the adapter tube 200 to the cartridge head assembly 100, and specifically, the fixing device 300 fixes the adapter tube 200 to the nozzle 110; the fixing device 300 is provided to fix the adapter tube 200 while the end surface of the second tube 220 abuts against the gasket 240, and thus the right end surface of the nozzle 110 and the left end surface of the second tube 220 press the left and right sides of the gasket 240, thereby improving the end surface sealing effect. The adapter 200 and the nozzle 110 are connected by the fixing device 300, and the inside is sealed in a double-layer manner by two different structures, so that the filter element has good sealing performance and reliability.

In some embodiments of the present invention, the fixing device 300 includes a fastening block 310 and a nut 320, the fastening block 310 is disposed on the adapter tube 200, the front end of the nut 320 is sleeved outside the adapter tube 200 and fastened on the fastening block 310, and the rear end of the nut 320 is in threaded connection with the filter cartridge head assembly 100.

For example, as shown in fig. 2, the nut 320 includes a ring-shaped nut 320 body and a ring-shaped stopper, the outer diameter of the nut 320 body is the same as the outer diameter of the stopper, the inner diameter of the nut 320 body is larger than the inner diameter of the stopper, the stopper is disposed at the right end of the nut 320 body, the inner wall of the nut 320 body has threads, the nut 320 body and the stopper are sleeved outside the first tube 210 and the second tube 220, and the stopper is located at the right side of the latch 310; when the connection pipe 200 is installed, the nut 320 is rotated to connect the nut 320 body with the filter element head assembly 100 through the screw thread, the stopper drives the fixture block 310 to move to the left, and then the end surface of the second pipe 220 is gradually abutted to the sealing gasket 240, wherein the tightness degree of the nut 320 is controlled, namely the tightness degree of the sealing gasket 240 compressed by the right end surface of the water gap 110 and the left end surface of the second pipe 220 is controlled. The nut 320 and the latch 310 are provided to compress the packing 240 to ensure the end surface sealing effect, and the nut 320 is screw-coupled to the cartridge head assembly 100 to prevent water leakage.

In a further embodiment of the present invention, the clamping block 310 is a clamping spring to prevent the nut 320 from loosening and ensuring the reliability of the filter element.

In a further embodiment of the present invention, as shown in fig. 2, the second tube 220 is provided with a first groove 221, and the fixture block 310 is detachably mounted on the first groove 221. To facilitate replacement of the cartridge 310.

In a further embodiment of the present invention, as shown in fig. 2, the fixing device 300 further includes a hollow adapter 330, the adapter 330 is detachably sleeved outside the nozzle 110, and the nut 320 is in threaded connection with the adapter 330. By using the adapter 330 in conjunction with the nut 320, the entire cartridge head assembly 100 need not be replaced when the nozzle 110 is damaged, but only the adapter 330 needs to be replaced.

In a further embodiment of the present invention, a plurality of second grooves 111 are formed on the filter element head assembly 100, and a protrusion 331 engaged with the second groove 111 is formed inside the adapter 330. As shown in fig. 2, the outer wall of the nozzle 110 is provided with a plurality of second grooves 111, the plurality of second grooves 111 are arranged at intervals along the axial direction of the nozzle 110, and the protrusions 331 are arranged on the second grooves 111 when the nozzle is installed.

In a further embodiment of the present invention, as shown in fig. 2, the maximum diameter of the gasket 240 is greater than the diameter of the second tube 220. To ensure the end face sealing effect.

In a further embodiment of the present invention, the nut 320 is made of copper material. The strength of the filter element installation is enhanced, and the filter is prevented from being broken in the use and installation process.

According to some embodiments of the present invention, as shown in fig. 2, the end of the sealing gasket 240 close to the end surface of the nozzle 110 is provided with a notch. A notch is provided to provide a better seal against the end of the nozzle 110.

In the description herein, references to the description of the terms "some embodiments" or "conceivably" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A sealing joint arrangement, comprising:

a cartridge head assembly having a water gap;

the connecting pipe comprises a first pipe and a second pipe, the diameter of the first pipe is smaller than that of the second pipe, the first pipe is arranged in the water gap, a sealing ring is arranged between the inner wall of the water gap and the outer wall of the first pipe, and a sealing gasket is arranged between the second pipe and the end face of the water gap;

and the fixing device is used for connecting the filter element head assembly and the connecting pipe so as to enable the water port and the second pipe to be close to each other and further press the sealing gasket.

2. The seal joint structure of claim 1, wherein: the fixing device comprises a fixture block and a nut, the fixture block is arranged on the connecting pipe, the front end of the nut is sleeved outside the connecting pipe and clamped on the fixture block, and the rear end of the nut is in threaded connection with the filter element head assembly.

3. The seal joint structure of claim 2, wherein: the clamping block is a clamping spring.

4. The seal joint structure of claim 2 or 3, wherein: the second pipe is provided with a first groove, and the clamping block is detachably mounted on the first groove.

5. The seal joint structure of claim 2, wherein: the fixing device further comprises a hollow adapter, the adapter is detachably sleeved outside the water gap, and the nut is in threaded connection with the adapter.

6. The seal joint structure of claim 5, wherein: the filter element head assembly is provided with a plurality of second grooves, and the inside of the adapter is provided with a lug matched with the second grooves.

7. The sealing joint structure according to any one of claims 1 to 3, wherein: the maximum diameter of the gasket is greater than the diameter of the second tube.

8. The seal joint structure of claim 2, wherein: the nut is made of copper materials.

9. The seal joint structure of claim 1, wherein: and one end of the sealing gasket, which is close to the end surface of the water gap, is provided with a notch.