Reverse osmosis membrane shell assembly

Abstract

The utility model relates to a reverse osmosis membrane shell component which comprises a shell and an end cover, a connecting seat is arranged on the shell, a connecting component is arranged on the end cover, the connecting component is matched with the connecting seat in an inserting and locking mode, and the connecting component comprises an inserting sleeve, a limiting column, a spring and a limiting ball. The plug bush is sequentially provided with a groove, a spring groove and a column groove from top to bottom, the diameter of the groove is gradually decreased, the limiting column comprises a pressing head, a column body and a lower body, the pressing head slides in the groove, the spring is arranged in the spring groove, the column body penetrates through the spring in the spring groove, the lower portion of the column body is connected with the lower body, and when the limiting column moves upwards under the action of the spring, the limiting column can move upwards. The second wedge-shaped face abuts against the limiting ball, the limiting ball is clamped into the ball hole, the part of the limiting ball extends out of the ball hole, at the moment, under the action of the limiting ball, the joint of the first circular groove and the second circular groove is clamped and fixed, the connecting mode is faster and more convenient, and the end cover and the shell can be disassembled or connected conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of reverse osmosis, especially to a reverse osmosis membrane shell assembly. BACKGROUND

[0002] The principle of reverse osmosis technology is to separate water from other substances by the action of a solution osmotic pressure, as other substances cannot permeate the semi-permeable membrane. The membrane pore size of the reverse osmosis membrane is very small, so it can effectively remove dissolved salts, colloids, microorganisms, organic matter, etc. in water. The system has the advantages of good water quality, low energy consumption, no pollution, simple process, easy operation, etc.

[0003] The existing reverse osmosis module assembly fixing method is fast, but the overall firmness is poor, and it needs to be repaired after a period of use, which has high maintenance cost and short service life. At present, the Chinese utility model patent with the patent number "202322308114.X" and the patent name "a reverse osmosis membrane shell assembly" discloses a reverse osmosis membrane shell assembly including a membrane shell body, an end cover is arranged inside the membrane shell body, a liquid inlet is formed on the front surface of the end cover, knobs are arranged around the outside of the membrane shell body, an installation ring is arranged on the outside of the membrane shell body and behind the knobs, clamping rings are arranged inside the membrane shell body and at positions corresponding to the four knobs, a limiting ring is arranged inside the membrane shell body and behind the clamping rings, and two first fixing grooves are formed inside the membrane shell body and at positions corresponding to the installation ring.

[0004] The inventor believes that this method still needs to rotate the bolt column, which is very inconvenient, so it is necessary to design a reverse osmosis membrane shell assembly. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a reverse osmosis membrane shell assembly.

[0006] The utility model provides a reverse osmosis membrane shell assembly adopts the following technical scheme:

[0007] A reverse osmosis membrane shell assembly, comprising a shell and an end cover, a connecting seat is arranged on the shell, a connecting assembly is arranged on the end cover, and the connecting assembly is inserted and locked with the connecting seat.

[0008] Preferably, the connecting assembly comprises a sleeve, a limiting column, a spring and a limiting ball, the sleeve is sequentially provided with a groove with gradually decreasing diameter, a spring groove and a column groove from top to bottom, the limiting column comprises a pressing head, a column body and a lower body, the pressing head slides in the groove, the spring is arranged in the spring groove, the column body passes through the spring in the spring groove, the lower body is connected with the column body below, the lower body slides in the column groove, the lower body is designed with two groups of wedge surfaces, the limiting ball is arranged between the two groups of wedge surfaces, the sleeve below is designed with ball holes with the same number as the limiting ball, and the limiting ball is smaller than the limiting ball in diameter.

[0009] Preferably, the connecting seat is sequentially designed with a first circular groove and a second circular groove from top to bottom, the first circular groove is smaller than the second circular groove in diameter, and the first circular groove and the second circular groove are communicated.

[0010] Preferably, the two groups of wedge surfaces are specifically a wedge surface one located at an upper side and a wedge surface two located at a lower side, the wedge surface one is larger than the wedge surface two in inclination angle, when the limiting column moves downward, the wedge surface two is separated from the limiting ball, the limiting ball is retracted into the sleeve from the ball hole, when the limiting column moves upward, the wedge surface two abuts against the limiting ball, the limiting ball is clamped into the ball hole, and part of the limiting ball protrudes from the ball hole.

[0011] Preferably, the connecting seat and the connecting assembly are provided with two groups.

[0012] In summary, the utility model has at least one of the following beneficial technical effects:

[0013] 1. The pressure is applied to the pressing head, the limiting column can move downward, when the limiting column moves downward, the wedge surface two is separated from the limiting ball, the limiting ball is retracted into the sleeve from the ball hole, at this time, the telescopic sleeve is inserted into the limiting column, at this time, the limiting column can be normally inserted into the second circular groove from the first circular groove, the pressure applied to the pressing head is released, when the limiting column moves upward under the action of the spring, the wedge surface two abuts against the limiting ball, the limiting ball is clamped into the ball hole, and part of the limiting ball protrudes from the ball hole, at this time, the limiting ball forms the clamping and fixing of the connecting position of the first circular groove and the second circular groove under the action of the limiting ball, and the connecting mode is more quick and convenient, and the end cover and the shell can be conveniently disassembled or connected. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of a reverse osmosis membrane shell assembly.

[0015] Figure 2 It is a schematic view for an end cover and a shell.

[0016] Figure 3 It is a schematic view for embodying the cooperation of the connecting assembly and the connecting seat.

[0017] Figure 4 is a schematic view of embodying the connecting assembly (the limiting ball is retracted into the sleeve).

[0018] The reference signs are explained as follows: 1, housing; 2, end cover; 3, connecting seat; 31, round groove one; 32, round groove two; 4, connecting assembly; 41, sleeve; 411, recess; 412, spring groove; 413, column groove; 42, limiting column; 421, pressure head; 422, column body; 423, lower body; 424, wedge surface one; 425, wedge surface two; 43, spring; 44, limiting ball. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0021] In addition, the meaning of "several" is at least two, for example, two, three, etc., unless otherwise explicitly and specifically limited.

[0022] The embodiments of the present application disclose a reverse osmosis membrane shell assembly. Referring to Figures 1-4The reverse osmosis membrane shell assembly comprises a shell 1 and an end cover 2, the shell 1 is provided with a connecting seat 3, the end cover 2 is provided with a connecting assembly 4, the connecting assembly 4 is inserted and locked with the connecting seat 3, the connecting assembly 4 comprises an inserting sleeve 41, a limiting column 42, a spring 43 and a limiting ball 44, the inserting sleeve 41 is sequentially provided with a groove 411 with gradually decreasing diameter, a spring 43 groove 412 and a column groove 413 from top to bottom, the limiting column 42 comprises a pressing head 421, a column body 422 and a lower body 423, the pressing head 421 slides in the groove 411, the spring 43 is arranged in the spring 43 groove 412, the column body 422 penetrates through the spring 43 in the spring 43 groove 412, the lower body 423 is connected below the column body 422, the lower body 423 slides in the column groove 413, the lower body 423 is designed with two groups of wedge surfaces, the limiting ball 44 is arranged between the two groups of wedge surfaces, the inserting sleeve 41 is designed below with ball holes with the same number as the number of the limiting balls 44, the diameter of the ball holes is smaller than that of the limiting ball 44, the connecting seat 3 is sequentially designed from top to bottom with a round groove one 31 and a round groove two 32, the diameter of the round groove one 31 is smaller than that of the round groove two 32, the round groove one 31 and the round groove two 32 are communicated, the two groups of wedge surfaces are specifically a wedge surface one 424 located on the opposite upper side and a wedge surface two 425 located on the opposite lower side, the inclination angle of the wedge surface one 424 is greater than that of the wedge surface two 425.

[0023] Through the design, the limiting column 42 can be moved downward by exerting pressure on the pressing head 421, when the limiting column 42 moves downward, the wedge surface two 425 is separated from the limiting ball 44, the limiting ball 44 is retracted into the inserting sleeve 41 from the ball hole, at this time, the telescopic sleeve is inserted into the limiting column 42, at this time, the limiting column 42 can be normally inserted into the round groove two 32 from the round groove one 31, the pressure on the pressing head 421 is released, when the limiting column 42 moves upward under the action of the spring 43, the wedge surface two 425 abuts against the limiting ball 44, the limiting ball 44 is clamped into the ball hole, and part of the limiting ball 44 is partially extended from the ball hole, at this time, under the action of the limiting ball 44, the clamping of the connecting position of the round groove one 31 and the round groove two 32 is formed to be fixed, the connecting mode is more quick and convenient, and the end cover 2 and the shell 1 are convenient to disassemble or connect.

[0024] The above are preferable embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A reverse osmosis membrane housing assembly, characterized by: The utility model provides a shell (1) and end cover (2) are included, be provided with connecting seat (3) on the shell (1), be provided with connecting assembly (4) on the end cover (2), connecting assembly (4) with connecting seat (3) insert joint lock cooperation, connecting assembly (4) includes bushing (41), limit post (42), spring (43) and limit ball (44), the recess (411) of gradually smaller diameter, spring groove (412) and column groove (413) are successively set up from top to bottom to the bushing (41), limit post (42) includes press head (421), post body (422) and lower body (423), the press head (421) is in the recess (411) sliding, the spring (43) is arranged in the spring groove (412), the post body (422) passes through the spring (43) in the spring groove (412), the lower body (423) is connected under the post body (422), the lower body (423) is in the column groove (413) sliding, the lower body (423) is designed with two groups of wedge surface, limit ball (44) is arranged between two groups of wedge surface, the bushing (41) lower is designed with the ball hole same with the number of ball, and the diameter of ball hole is less than limit ball (44).

2. A reverse osmosis membrane housing assembly according to claim 1, wherein: Connecting seat (3) is designed with round groove one (31) and round groove two (32) successively from top to bottom, the diameter of round groove one (31) is less than round groove two (32), and round groove one (31) and round groove two (32) are communicated.

3. A reverse osmosis membrane housing assembly according to claim 2, wherein: Two groups of wedge surface are specifically wedge surface one (424) located opposite upper and wedge surface two (425) located opposite lower, the inclination angle of wedge surface one (424) is greater than the inclination angle of wedge surface two (425), when limit post (42) moves downward, wedge surface two (425) is separated from limit ball (44), limit ball (44) is retracted into the bushing (41) from ball hole, when limit post (42) moves upward, wedge surface two (425) abuts against limit ball (44), limit ball (44) is clamped into ball hole, and part of limit ball (44) is partially stretched out from ball hole.

4. A reverse osmosis membrane housing assembly according to claim 3, wherein: Connecting seat (3) and connecting assembly (4) are provided with two groups.

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