Filter clamping type end cover fixing structure

Abstract

The utility model discloses a filter clamping type end cover fixing structure which comprises a shell, a space used for installing a filter element is arranged in the shell, an opening used for installing an end cover is formed in at least one end of the shell, the opening extends into the shell to form a limiting channel, and the end cover is matched with the limiting channel in shape. The end cover is arranged on the shell, a clamping position is arranged in the perimeter direction of the end cover, a clamping hole is formed in the position, corresponding to the clamping position, of the shell, a clamping piece is arranged in the clamping hole in a penetrating mode, and the clamping piece is connected with the clamping position in a clamping mode. Compared with a thread ring, the manufacturing is much simpler, additional auxiliary equipment can be reduced as much as possible in the assembling process, the torque requirement of threads does not exist, and assembling is faster and more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to filter technical field, specifically a filter clamping type end cover fixed structure. BACKGROUND

[0002] In reverse osmosis water treatment equipment, water treatment membrane shell is its important component, after continuous improvement now water treatment membrane shell basically adopts plastic shell plus glass steel screw thread ring structure, glass steel has high hardness, good pressure resistance and other advantages, so it is very convenient to assemble on site, of course also has other different material is made, but screw thread ring needs to adopt high hardness material is made;

[0003] Although the mode of screw thread can speed up the installation on site, but the screw thread ring part is made of high hardness material, the high hardness material itself is very difficult to process screw thread, so the processing process is very complicated, and in the process of installation on site, professional equipment is also needed to twist the end cover to meet the requirements of screw thread engagement. INVENTION CONTENTS

[0004] The utility model discloses a kind of filter clamping type end cover fixed structures, to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of filter clamping type end cover fixed structure, including shell, the space for installing filter core is equipped in the shell, at least one end of shell is equipped with the opening for installing end cover, the opening extends to form limiting passage to shell, the shape of end cover is adapted to limiting passage, clamping position is located in the circumference direction of end cover, the position of clamping position is equipped with clamping hole in shell, clamping piece is worn in clamping hole, and clamping piece is clamped with clamping position.

[0007] Further technical scheme, the clamping position is a plurality of or forms a clamping groove.

[0008] Further technical scheme, the clamping piece is clamping hoop, and the inner side of clamping hoop is equipped with a plurality of clamping blocks corresponding to clamping hole.

[0009] Further technical scheme, the end of end cover in shell is in contact with the end of filter core.

[0010] Further technical scheme, sealing structure is equipped between end cover and shell.

[0011] Further technical scheme, the sealing structure includes annular groove along the circumference direction of end cover, sealing ring is fixed in the groove, and the sealing ring is in contact with the inner wall of shell.

[0012] Further, the end cover is provided with a ring-shaped flange extending in the circumferential direction, the ring-shaped flange corresponds to the end of the shell, and a sealing gasket is arranged on the side of the ring-shaped flange close to the shell.

[0013] The utility model discloses beneficial effect has:

[0014] The product with the structure of the utility model only has an end cover, a shell, a filter core and a clamping piece, wherein the clamping piece is directly formed by injection molding, which is much simpler than the manufacture of a screw thread ring, can reduce additional auxiliary equipment as much as possible during assembly, does not have torque requirements of a screw thread, and is more convenient and faster to assemble.

[0015] Other features and advantages of the utility model will be described in detail in the subsequent specific embodiment part. DETAILED DESCRIPTION

[0016] Fig. 1 The utility model discloses a three-dimensional structure diagram.

[0017] Fig. 2 The utility model discloses a partial disassembly diagram.

[0018] Fig. 3 The utility model discloses a three-dimensional sectional view.

[0019] Reference signs: 1-shell, 11-opening, 12-limiting channel, 2-filter core, 3-end cover, 31-clamping position, 32-ring-shaped flange, 4-clamping piece, 41-clamp, 42-clamping block, 51-ring-shaped groove, 52-sealing ring. DETAILED DESCRIPTION

[0020] The technical solutions in the utility model embodiments will be clearly and completely described in the utility model embodiments in combination with the drawings.

[0021] Please refer to Figs. 1-3 ;

[0022] The utility model discloses a fixed structure aims at simplifying production process, improves assembly speed simultaneously, specifically includes the casing 1, be equipped with the space for installing filter core 2 in casing 1, be equipped with the opening 11 for installing end cover 3 in at least one end of casing 1, and the opening 11 extends to the casing 1 and forms the spacing channel 12, in this embodiment and limit the specific shape of casing 1, therefore all the similar constituent elements of the product on the market can use this structure, in order to better pressure and subsequent maintenance unity, most of the filter on the market adopts cylindrical, the casing 1 mentioned above can be arbitrary shape, in order to play certain sealing effect, the spacing channel 12 is formed in the position close to the opening 11 of casing 1, and the shape of end cover 3 is adapted to spacing channel 12, of course, if the casing 1 is cylindrical, the shape of spacing channel 12 is consistent with the shape of the inner cavity of casing 1, and there is no need to set additionally, the clamping position 31 is equipped in the circumference direction of end cover 3, and the clamping hole is equipped in the position of clamping position 31, the clamping piece 4 is equipped in the clamping hole, and the clamping piece 4 is clamped with clamping position 31.

[0023] In the product, only end cover 3, casing 1, filter core 2 and clamping piece 4, wherein the clamping piece 4 is used for clamping with end cover 3 through the clamping hole, and the structure is also very simple, even if high hardness material is made, it can be easily made, for example, directly using injection molding, and without embedding the screw thread ring in the casing when manufacturing the casing as in the prior art, and the end cover also does not need to be manufactured with screw thread, which is much simpler than the manufacturing of screw thread ring.

[0024] In the assembling process, first, the filter core 2 is put into the casing 1, then the end cover 3 is inserted into the spacing channel 12 from the opening 11, so that the clamping position 31 corresponds to the clamping hole, then the clamping piece 4 is inserted into the clamping position 31 from the clamping hole, of course, the annular array of the clamping hole is provided with a plurality of clamping holes, that is, the clamping piece 4 also has a plurality of clamping pieces that can fix the end cover 3 from multiple angles, improve the fastening effect, in addition, the clamping hole and the clamping piece 4 can adopt the structure of the contract type, which can prevent the clamping piece 4 from shaking, improve the stability of the fixing, preferably, the clamping position 31 is a plurality of clamping grooves or a clamping groove, when the clamping position 31 is a clamping groove, in the assembling process, the end cover 3 does not need to be rotated and adjusted to be aligned, and the clamping can be achieved at any position, further improving the assembling speed.

[0025] The utility model adopts the mode of clamping, which can reduce the additional auxiliary equipment as much as possible in the assembling process, and there is no torque requirement of screw thread, and the assembling is more convenient.

[0026] The utility model relates to one of the embodiments of the clamping piece 4, the clamping piece 4 is the clamp 41, need explanation, the position of the shell 1 corresponding position limiting channel 12 part is cambered surface, the inside of the clamp 41 is equipped with several clamping blocks 42 corresponding with the clamping hole, adopt such structure in the assembling process more need not to help external tool, the position of the clamp 41 aligning the clamping hole, several clamping blocks 42 correspond to the clamping hole also, when contacting the surface of the shell 1, the elastic deformation of the clamp 41 can be its opening 11 enlarged and the clamp 41 is pressed down at the same time, after exceeding the diameter of the cross section, the clamp 41 shrinks, and makes the clamping block 42 into the clamping hole and the clamping piece 31 clamps together,

[0027] When needing to disassemble, the clamp 41 can be broken or opened by using other external tools.

[0028] In the embodiment, the both ends of the shell 1 are provided with the end cover 3, and the end cover 3 is fixed by using the clamping structure, or the end away from the opening 11 of the shell 1 is provided with the boss for abutting against one end of the filter core 2, when the end cover 3 is installed, the end cover 3 needs to be squeezed into the position limiting channel 12, and the end of the end cover 3 abuts against the end of the filter core 2, and then the end cover 3 is clamped and fixed by using the clamping piece 4, when the installation is completed, the filter core 2 applies the outward pushing force to the end cover 3, so that the shaking caused by the gap between the clamping piece 4 and the clamping position 31 can be compensated.

[0029] In the embodiment of the utility model, the sealing structure is arranged between the end cover 3 and the shell 1 to prevent water leakage, and the specific structure comprises the annular groove 51 arranged along the circumference direction of the end cover 3, the sealing ring 52 fixed in the groove, and the sealing ring 52 abutting against the inner wall of the shell 1, of course, multiple grooves and multiple sealing rings 52 can be arranged to improve the sealing effect, and preferably, the groove and the sealing ring 52 are arranged in the region between the clamping structure and the filter core 2.

[0030] Further, the annular flange 32 is horizontally extended along the circumference direction of the end cover 3, the annular flange 32 corresponds to the end of the shell 1, and the side of the annular flange 32 close to the shell 1 is provided with the sealing pad (not shown in the figure), the sealing pad abuts against the end of the shell 1, and when the end cover 3 is installed, the sealing pad also needs to be squeezed to be slightly compressed, if the end of the end cover 3 does not abut against the filter core 2, the outward pushing force can also be generated to the end cover 3 by using the elastic reset of the compressed sealing pad to compensate the shaking caused by the gap between the clamping piece 4 and the clamping position 31.

[0031] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0032] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A filter snap-fit ​​end cap fixing structure, characterized in that: The device includes a housing (1), which has a space for installing a filter element (2). At least one end of the housing (1) has an opening (11) for installing an end cap (3). The opening (11) extends into the housing (1) to form a limiting channel (12). The shape of the end cap (3) is adapted to the limiting channel (12). A locking position (31) is provided in the circumferential direction of the end cap (3). The housing (1) has a locking hole for the locking position (31). A locking member (4) passes through the locking hole and engages with the locking position (31).

2. The filter snap-fit ​​end cap fixing structure according to claim 1, characterized in that: The card slot (31) is a number of slots or forms a single slot.

3. The filter snap-fit ​​end cap fixing structure according to claim 1, characterized in that: The snap-fit ​​component (4) is a clamp (41), and the inner side of the clamp (41) is provided with a plurality of snap-fit ​​blocks (42) corresponding to the snap-fit ​​holes.

4. The filter snap-fit ​​end cap fixing structure according to claim 1, characterized in that: The end cap (3) located inside the housing (1) abuts against the end of the filter element (2).

5. The filter snap-fit ​​end cap fixing structure according to claim 1, characterized in that: A sealing structure is provided between the end cap (3) and the housing (1).

6. The filter snap-fit ​​end cap fixing structure according to claim 5, characterized in that: The sealing structure includes an annular groove (51) along the circumference of the end cap (3), and a sealing ring (52) is fixed in the groove, the sealing ring (52) abutting against the inner wall of the shell (1).

7. A filter snap-fit ​​end cap fixing structure according to claim 5 or 6, characterized in that: The end cap (3) has an annular flange (32) extending laterally in the circumferential direction. The annular flange (32) corresponds to the end of the housing (1), and a sealing gasket is provided on the side of the annular flange (32) near the housing (1). The sealing gasket abuts against the end of the housing (1).

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