Modularized quick-release air filter element assembly

Abstract

The utility model relates to the technical field of air filtration, and particularly discloses a modular quick-release air filter element assembly which comprises a shell and a filter element body, the lower end of the shell is communicated with an air inlet pipe, the outer wall of the shell is communicated with an air outlet pipe, the upper end of the shell is open, and a placing table is arranged on the upper inner wall of the shell. A locking mechanism for pressing and fixing the filter element body placed on the inner side of the shell is arranged at the upper end of the shell, the locking mechanism comprises a cover shell, a cavity is formed in the inner side of the cover shell, a rotating rod penetrating through the upper end of the cover shell is arranged in the cavity, and a conical cam is arranged at the lower end of the rotating rod and located in the cavity. Through the arrangement of the locking mechanism on the cover shell, when the rotating rod and the conical cam are pressed downwards and then rotate, the locking assembly is pushed and moved, the filter element body is pressed and fixed while the cover shell is fixed to the shell, the filter element body is rapidly assembled and disassembled, no special tool is needed, operation is easy and practical, and the practicability is high. And the use convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air filter technical field, in particular to a modular quick detach type air filter filter core subassembly. BACKGROUND

[0002] Air filter refers to air filter device, generally used in clean workshop, factory building, laboratory, essence is through the action of porous filter material from gas solid two -phase flow trapping dust, and make gas to be purified equipment, because air has very strong flow, and in the process of flow will carry dust and other harmful substances to human body, therefore air filter becomes the important tool of people guarantee work, living environment quality, and filter core is the important part in air filter, during use, need regularly clean or replace filter core, however, when the filter core is assembled and disassembled, the filter core is mainly assembled and disassembled through bolt or screwing mode, and the operation process needs to use tools, which brings inconvenience to the use process. UTILITY MODEL CONTENTS

[0003] The utility model discloses a modular quick detach type air filter filter core subassembly.

[0004] The utility model discloses a modular quick detach type air filter filter core subassembly.

[0005] A modular quick detach type air filter filter core subassembly, including casing, filter core body, the lower end of casing is connected with the air inlet pipe, and the outer wall of casing is connected with the air outlet pipe, and the upper end of casing is open, and the upper inner wall of casing is provided with the placing table, and the upper end of casing is provided with the locking mechanism that is pressed tightly fixed to the filter core body that is placed in the inner side of casing, and the locking mechanism includes the cover shell, and the inner side of cover shell is provided with the cavity, and the rotating rod that passes through the upper end of cover shell is provided in the cavity, and the lower end of rotating rod is provided with the taper cam in the cavity, and the first spring is provided to the lower end of taper cam, and the lower end of cover shell inserts the upper port of casing, and the sidewall of cover shell is provided with the locking assembly that locks the cover shell on the casing, and the locking assembly is pressed and holds fixed to the filter core body in the locking state, and the limiting assembly that is provided between cover shell and taper cam limits the taper cam.

[0006] Further arrangement: the locking assembly comprises a limiting pin arranged transversely on the cover shell, the limiting pin transversely penetrates the cover shell and communicates with the cavity, the limiting pin is arranged in a dome shape at one end close to the center position, a second spring is sleeved on the limiting pin in the cavity, a notch inclined groove is formed on the upper end of the limiting pin, a top rod is vertically arranged on the lower side of the notch inclined groove, a pressing ring is fixed on the lower end of the top rod, a communication groove matched with the top rod is formed on the cover shell, a third spring is sleeved on the top rod in the communication groove, an inclined surface matched with the notch inclined groove is arranged on the upper end of the top rod, a sunken table is arranged on the upper end face of the shell body at intervals, a limiting hole matched with the limiting pin is arranged on the inner wall of the shell body, and a convex table matched with the sunken table is arranged on the lower end of the cover shell.

[0007] Further arrangement: the limiting pin is arranged at least three places on the cover shell in a circumferential uniform distribution, the limiting pin is in sliding connection with the cover shell, and the top rod is in sliding connection with the cover shell.

[0008] Further arrangement: the limiting assembly comprises a fan-shaped limiting rim fixed on the upper side of the conical cam in a circumferential interval, and the cavity top is provided with an L-shaped flange matched with the fan-shaped limiting rim.

[0009] Further arrangement: the lower end face of the cover shell inserted into the shell body is provided with a sunken groove, and the pressing ring is in sliding connection with the sunken groove.

[0010] Further arrangement: the lower end support frame of the filter core body is in an inverted conical structure, and the inner bottom face of the shell body is provided with a limiting groove matched with the lower end support frame of the filter core body.

[0011] Further arrangement: the rotating rod is slidable and rotatable on the cover shell.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] Through the arrangement of the locking mechanism on the cover shell, when the rotating rod and the conical cam are pressed downward and rotated, the locking assembly is pushed and moved, the cover shell is fixed on the shell body, the filter core body is pressed and fixed at the same time, the filter core body is quickly disassembled and assembled, special tools are not needed, the operation is simple and practical, and the convenience of use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of not paying creative labor.

[0015] Figure 1 is a structural schematic diagram of a modular quick-release air filter cartridge assembly in a disassembled state according to the utility model;

[0016] Figure 2 is a structural schematic view of the modular quick-release air filter cartridge assembly of the utility model;

[0017] Figure 3 is a main sectional structural schematic view of the modular quick-release air filter cartridge assembly of the utility model;

[0018] Figure 4 is an enlarged structural schematic view of A of Figure 3 ;

[0019] Figure 5 is a partial sectional structural schematic view of the modular quick-release air filter cartridge assembly of the utility model;

[0020] Figure 6 is a structural schematic view of the locking mechanism of the modular quick-release air filter cartridge assembly of the utility model in the exploded state.

[0021] The reference signs are explained as follows:

[0022] 1, shell; 11, air inlet pipe; 12, air outlet pipe; 13, placing table; 101, sink; 102, limiting hole; 2, filter core body; 3, cover shell; 31, cavity; 301, boss; 302, sink groove; 32, rotating rod; 33, conical cam; 331, first spring; 34, fan-shaped limiting edge; 35, L-shaped flange; 36, limiting pin; 361, notch inclined groove; 362, second spring; 37, ejector rod; 371, third spring; 38, pressing ring. DETAILED DESCRIPTION

[0023] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second", and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0024] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term '' install '' '' link '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be two element internal intercommunication. For ordinary skilled person in the art, the above-mentioned term can be understood by specific circumstances the specific meaning in the utility model.

[0025] The utility model will be further described below in connection with the drawings:

[0026] As Figures 1-6 Indicated, a kind of modular quick-release air filter filter element assembly, including shell 1, filter element body 2, the lower end support frame of filter element body 2 is inverted conical structure, the bottom surface on the inner side of shell 1 is provided with the limit slot matched with the lower end support frame of filter element body 2, shell 1 lower end is communicated with air inlet pipe 11, shell 1 outer wall is communicated with air outlet pipe 12, shell 1 upper end is open, placing table 13 is provided on the upper inner wall of shell 1, locking mechanism is provided on the upper end of shell 1, and filter element body 2 placed in the inner side of shell 1 is compressed and fixed;

[0027] In the embodiment: locking mechanism includes cover shell 3, the inner side of cover shell 3 is provided with cavity 31, the rotating rod 32 passing through the upper end of cover shell 3 is arranged in cavity 31, the lower end of rotating rod 32 is provided with tapered cam 33 in cavity 31, the lower end of tapered cam 33 is provided with first spring 331, the lower end of cover shell 3 is inserted into the upper port of shell 1, locking assembly is provided on the side wall of cover shell 3, and cover shell 3 is locked on shell 1, locking assembly is compressed and fixed to filter element body 2 in locking state, and the limit assembly for limiting tapered cam 33 is arranged between cover shell 3 and tapered cam 33;Limit assembly includes sector limit rim 34, which is fixed at the upper side of tapered cam 33 in circumferential interval, L-shaped flange 35 is provided at the top of cavity 31 and cooperates with sector limit rim 34, rotating rod 32 is slidable and rotatable on cover shell 3, by pressing rotating rod 32 and tapered cam 33 downward, first spring 331 is extruded, so that sector limit rim 34 is located at the lower side of L-shaped flange 35, to prevent tapered cam 33 from resetting upward, while rotating rotating rod 32, tapered cam 33 is rotated, and locking assembly is pushed to fix cover shell 3 on shell 1, while filter element body 2 is compressed and fixed.

[0028] The locking assembly comprises a limiting pin 36 transversely arranged on the cover shell 3, the limiting pin 36 transversely penetrating through the cover shell 3 and communicating with the cavity 31, the limiting pin 36 is provided with a circular top at one end close to the center position, a second spring 362 is sleeved on the limiting pin 36 in the cavity 31, a notch inclined groove 361 is formed on the upper end of the limiting pin 36, a top rod 37 is vertically arranged on the lower side of the notch inclined groove 361, a pressing ring 38 is fixed on the lower end of the top rod 37, the top rod 37 presses and holds the filter core body 2 on the placing table 13 when the top rod 37 moves downward, a sunken groove 302 is arranged on the lower end surface of the cover shell 3 inserted into the shell 1, the pressing ring 38 is slidably connected with the sunken groove 302, a communication groove is formed on the cover shell 3 and matched with the top rod 37, a third spring 371 is sleeved on the top rod 37 in the communication groove, a slope is arranged on the upper end of the top rod 37 and matched with the notch inclined groove 361, when the limiting pin 36 moves outward, the top rod 37 is extruded downward through the notch inclined groove 361, the pressing ring 38 is pressed downward by the top rod 37 overcoming the force of the third spring 371, sunken tables 101 are arranged on the upper end surface of the shell 1 at intervals, limiting holes 102 are arranged on the inner wall of the shell 1 and opposite to the limiting pin 36, a boss 301 is arranged on the lower end of the cover shell 3 and opposite to the sunken table 101, so that the cover shell 3 is buckled on the shell 1 at the fixed position; the limiting pin 36 is circumferentially and uniformly distributed at least three places on the cover shell 3, the limiting pin 36 is slidably connected with the cover shell 3, and the top rod 37 is slidably connected with the cover shell 3.

[0029] The working principle and use process of the utility model are as follows: after the filter core body 2 is put into the shell 1, the boss 301 of the cover shell 3 is corresponded with the sunken table 101 on the shell 1, the cover shell 3 is buckled on the shell 1, the rotating rod 32 and the conical cam 33 are pressed downward, the first spring 331 is extruded, the fan-shaped limiting edge 34 is located below the L-shaped flange 35, the rotating rod 32 is rotated, the conical cam 33 is rotated, the limiting pin 36 is pushed out of the cover shell 3 and inserted into the limiting hole 102, the limiting pin 36 moves, the top rod 37 is extruded downward through the notch inclined groove 361, the pressing ring 38 is pressed downward by the top rod 37 overcoming the force of the third spring 371, the filter core body 2 is pressed and held on the placing table 13; when the filter core body 2 is replaced, the rotating rod 32 is reversely rotated, the limiting pin 36 is pushed into the cavity 31 by the second spring 362, the limiting pin 36 is separated from the limiting hole 102, the top rod 37 is moved upward and reset, and the cover shell 3 is taken off.

[0030] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall into the scope of the utility model claimed.

Claims

1. A modular quick-release air filter cartridge assembly, comprising a housing (1), a cartridge body (2), a gas inlet pipe (11) communicated with the lower end of the housing (1), a gas outlet pipe (12) communicated with the outer wall of the housing (1), an open upper end of the housing (1), and a placement table (13) arranged on the upper inner wall of the housing (1), characterized in that: The upper end of the shell (1) is provided with a locking mechanism for pressing and fixing the filter core body (2) placed inside the shell (1), the locking mechanism comprises a cover shell (3), the inside of the cover shell (3) is provided with a cavity (31), the cavity (31) is provided with a rotating rod (32) penetrating through the upper end of the cover shell (3), the lower end of the rotating rod (32) is located in the cavity (31) and is provided with a conical cam (33), the lower end of the conical cam (33) is provided with a first spring (331), the lower end of the cover shell (3) is inserted into the upper port of the shell (1), the sidewall of the cover shell (3) is provided with a locking assembly for locking the cover shell (3) on the shell (1), the locking assembly presses and fixes the filter core body (2) in the locked state, and the cover shell (3) and the conical cam (33) are provided with a limiting assembly for limiting the conical cam (33).

2. A modular quick-release air filter cartridge assembly according to claim 1 wherein: The locking assembly comprises a limiting pin (36) transversely arranged on the cover shell (3), the limiting pin (36) transversely penetrates through the cover shell (3) and communicates with the cavity (31), one end of the limiting pin (36) near the center position is provided in a dome shape, a second spring (362) is sleeved on the limiting pin (36) in the cavity (31), a notch inclined groove (361) is formed in the upper end of the limiting pin (36), a top rod (37) is vertically arranged on the lower side of the notch inclined groove (361), a pressing ring (38) is fixed to the lower end of the top rod (37), a communication groove is formed in the cover shell (3) and matched with the top rod (37), a third spring (371) is sleeved on the top rod (37) in the communication groove, an inclined surface is arranged on the upper end of the top rod (37) and matched with the notch inclined groove (361), and a sunken table (101) is arranged on the upper end face of the shell (1) at intervals, a limiting hole (102) is arranged on the inner wall of the shell (1) and opposite to the limiting pin (36), and a convex table (301) is arranged on the lower end of the cover shell (3) and opposite to the sunken table (101).

3. A modular quick-release air filter cartridge assembly according to claim 2 wherein: The limiting pin (36) is circumferentially distributed at least three times on the cover shell (3), the limiting pin (36) is slidably connected with the cover shell (3), and the top rod (37) is slidably connected with the cover shell (3).

4. A modular quick-release air filter cartridge assembly according to claim 1 wherein: The limiting assembly comprises a fan-shaped limiting rim (34) fixed at the upper side of the conical cam (33) at intervals, and the top of the cavity (31) is provided with an L-shaped flange (35) matched with the fan-shaped limiting rim (34).

5. A modular quick-release air filter cartridge assembly according to claim 2 wherein: The cover shell (3) is inserted into the lower end face of the shell (1) and provided with a sunken groove (302), and the pressing ring (38) is slidably connected with the sunken groove (302).

6. A modular quick-release air filter cartridge assembly according to claim 1 wherein: The lower end support frame of the filter core body (2) is in an inverted conical structure, and the bottom surface of the inside of the shell (1) is provided with a limiting groove matched with the lower end support frame of the filter core body (2).

7. A modular quick-release air filter cartridge assembly according to claim 1 wherein: The rotating rod (32) is slidable and rotatable on the cover shell (3).

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