Filter element locking device of water purifier

Abstract

The utility model discloses a water purifier filter element locking device and relates to the technical field of water purifiers. The filter element comprises a shell, a filter element body, a first lock catch assembly, a second lock catch assembly and an eccentric knob, the filter element body is inserted into the shell in a sliding mode, a handle is fixedly installed at the top end of the filter element body, the first lock catch assembly comprises two first lock plates which are distributed in a mirror image mode, and the two first lock plates are inserted into the filter element body in a sliding mode. The first lock catch assembly comprises a first lock piece, the second lock catch assembly comprises a second lock piece, a fixing groove is formed in the top end of the shell, the eccentric rotary knob is rotationally installed in the fixing groove, and by arranging the first lock catch assembly, the purpose of locking, fixing and unlocking the filter element body through the first lock catch assembly is achieved; by arranging the first lock catch assembly and the second lock catch assembly, the purpose of locking, fixing and unlocking the filter element body through the second lock catch assembly is achieved, and by arranging an eccentric knob, the purpose of locking, fixing and unlocking the filter element body through the eccentric knob is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water purifiers, in particular to a filter element locking device for a water purifier. Background Art

[0002] A water purifier, also known as a water purifier or water purifier, is a water treatment device that deeply filters and purifies water according to the requirements for water use. The water purifier we usually talk about generally refers to a small purifier for home use. Its technical core is the filter membrane in the filter element device. The main technologies come from three types: ultrafiltration membrane, RO reverse osmosis membrane, and nanofiltration membrane. Water purifiers can be divided into two categories according to the pipeline design level: progressively tightening water purifiers and self-cleaning water purifiers. Traditional water purifiers are progressively tightening water purifiers. Its internal pipeline is designed with a loose filter element at the front and tight at the back. It consists of a PP melt-blown filter element, granular carbon, compressed carbon, RO reverse osmosis membrane or ultrafiltration membrane, and post-activated carbon. Generally, these 5 levels are connected end to end.

[0003] The locking method of the existing water purifier filter element locking device is relatively simple, resulting in low functionality and practicality of the water purifier filter element locking device. In view of the above problems, the inventor proposes a water purifier filter element locking device to solve the above problems. Utility Model Content

[0004] In order to solve the problem that the locking method of the existing water purifier filter element locking device is relatively single; the purpose of the utility model is to provide a water purifier filter element locking device.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solution: a water purifier filter element locking device, including a shell, a filter element body, a first locking assembly, a second locking assembly and an eccentric knob, the filter element body is slidably inserted in the shell, and a handle is fixedly installed on the top of the filter element body.

[0006] Preferably, the first locking assembly includes two first locking plates distributed in a mirror image, the two first locking plates are slidably inserted in the filter element body, and the first locking plate is slidably inserted in the outer shell, a slide rail is fixedly installed on the top of the filter element body, a push rod is slidably provided in the slide rail, and the push rod can be clamped in the handle, two connecting plates distributed in a mirror image are hingedly installed on the push rod, and the other end of the connecting plate is hingedly connected to one end of the corresponding first locking plate.

[0007] Preferably, the second locking assembly includes a second locking plate, and the second locking plate is slidably inserted in the filter element body, a push block is fixedly installed at one end of the second locking plate, a sliding groove is opened at the top of the outer shell, and the push block is slidably clamped in the sliding groove, a spring telescopic rod is fixedly installed in the sliding groove, and one end of the spring telescopic rod is fixedly connected to the push block.

[0008] Preferably, a cover plate is hingedly installed at the top of the shell, and the lower surface of the cover plate contacts the top of the filter element body. A fixing groove is opened at the top of the shell, and the eccentric knob is rotatably installed in the fixing groove. The lower surface of the eccentric knob can be rotatably contacted with the upper surface of the cover plate.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] 1. In the present invention, by providing the first locking assembly, the purpose of locking, fixing and unlocking the filter element body by using the first locking assembly is achieved;

[0011] 2. In the present invention, by providing a second locking assembly, the purpose of locking, fixing and unlocking the filter element body by using the second locking assembly is achieved;

[0012] 3. In the utility model, an eccentric knob is provided, thereby achieving the purpose of locking, fixing and unlocking the filter element body by using the eccentric knob. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a schematic diagram of the first overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the housing of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the first locking component of the utility model;

[0017] Figure 4 This is a second overall structural schematic diagram of the utility model;

[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the shell of the utility model;

[0019] Figure 6 This is a third overall structural schematic diagram of the utility model.

[0020] In the figure: 1. housing; 11. slide groove; 12. fixing groove; 2. filter element body; 21. handle; 22. slide rail; 3. first locking assembly; 31. first locking plate; 32. connecting plate; 33. push rod; 4. second locking assembly; 41. second locking plate; 42. push block; 43. spring telescopic rod; 5. cover plate; 6. eccentric knob. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1: Figure 1-3 As shown, the utility model provides a water purifier filter element locking device, including a shell 1, a filter element body 2 and a first locking assembly 3. The filter element body 2 is slidably inserted in the shell 1, and a handle 21 is fixedly installed on the top of the filter element body 2. First, the filter element body 2 is inserted into the shell 1 through the handle 21, and then the filter element body 2 is locked and fixed by using the first locking assembly 3, the second locking assembly 4 or the eccentric knob 6. When the filter element body 2 needs to be taken out, the first locking assembly 3 can be used to unlock the filter element body 2.

[0023] The first locking assembly 3 includes two first locking pieces 31 that are distributed in a mirror image. The two first locking pieces 31 are slidably inserted in the filter element body 2 , and the first locking piece 31 is slidably inserted in the housing 1 .

[0024] By adopting the above technical solution, the first locking piece 31 is slidably inserted into the housing 1 to lock and fix the filter element body 2.

[0025] A slide rail 22 is fixedly mounted on the top of the filter element body 2 , a push rod 33 is slidably mounted in the slide rail 22 , and the push rod 33 can be mounted in the handle 21 .

[0026] By adopting the above technical solution, the push rod 33 is pushed to slide in the slide rail 22 .

[0027] Two connecting plates 32 that are distributed in a mirror image are hingedly mounted on the push rod 33 , and the other end of the connecting plate 32 is hingedly connected to one end of the corresponding first locking plate 31 .

[0028] By adopting the above technical solution, the push rod 33 drives the first locking piece 31 to slide on the filter element body 2 through the connecting plate 32 .

[0029] The working principle of the first embodiment is as follows: first, the filter element body 2 is inserted into the outer shell 1 through the handle 21, and then the push rod 33 is pushed to slide in the slide rail 22. The push rod 33 drives the first locking plate 31 to slide on the filter element body 2 through the connecting plate 32, so that the first locking plate 31 is slidably inserted into the outer shell 1 to lock and fix the filter element body 2. When the filter element body 2 needs to be removed, the above steps can be reversed.

[0030] Embodiment 2: Figure 4-5 As shown, the utility model provides a water purifier filter element locking device, including a housing 1, a filter element body 2 and a second locking assembly 4, the second locking assembly 4 includes a second locking piece 41, and the second locking piece 41 is slidably inserted in the filter element body 2.

[0031] By adopting the above technical solution, the second locking piece 41 is slidably inserted into the filter element body 2 to lock and fix the filter element body 2.

[0032] A push block 42 is fixedly mounted on one end of the second locking piece 41 . A slide groove 11 is formed at the top of the housing 1 , and the push block 42 is slidably locked in the slide groove 11 .

[0033] By adopting the above technical solution, the pushing block 42 drives the second locking piece 41 to slide in the sliding groove 11 .

[0034] A spring telescopic rod 43 is fixedly installed in the slide slot 11 , and one end of the spring telescopic rod 43 is fixedly connected to the push block 42 .

[0035] By adopting the above technical solution, the push block 42 is pushed to drive the second locking piece 41 to slide in the slide groove 11, and the spring telescopic rod 43 is squeezed to retract the second locking piece 41 into the slide groove 11. Then, the filter element body 2 is inserted into the housing 1, and the push block 42 is released. The rebound force of the spring telescopic rod 43 is used to make the push block 42 push the second locking piece 41 to be inserted into the filter element body 2, so as to lock and fix the filter element body 2.

[0036] The working principle of the second embodiment is as follows: first, insert the filter element body 2 into the housing 1 through the handle 21, then push the push block 42 to drive the second locking piece 41 to slide in the slide groove 11, and squeeze the spring telescopic rod 43 to retract the second locking piece 41 into the slide groove 11, then insert the filter element body 2 into the housing 1, and release the push block 42, and use the rebound force of the spring telescopic rod 43 to make the push block 42 push the second locking piece 41 to insert into the filter element body 2, and lock and fix the filter element body 2. When the filter element body 2 needs to be taken out, push the push block 42 to drive the second locking piece 41 to slide in the slide groove 11, and squeeze the spring telescopic rod 43 to make the second locking piece 41 detach from the filter element body 2 and retract into the slide groove 11, and then take out the filter element body 2.

[0037] Embodiment 3: Figure 6As shown, the utility model provides a water purifier filter element locking device, including a shell 1, a filter element body 2 and an eccentric knob 6. A cover plate 5 is hingedly installed on the top of the shell 1, and the lower surface of the cover plate 5 contacts the top of the filter element body 2. A fixing groove 12 is opened at the top of the shell 1, and the eccentric knob 6 is rotatably installed in the fixing groove 12, and the lower surface of the eccentric knob 6 can be rotatably contacted with the upper surface of the cover plate 5.

[0038] By adopting the above technical solution, the filter element body 2 is inserted into the outer shell 1 and covered with the cover plate 5, and then the eccentric knob 6 is rotated so that the lower surface of the eccentric knob 6 contacts the upper surface of the cover plate 5, and the cover plate 5 is locked and fixed, thereby achieving the locking and fixing of the filter element body 2.

[0039] The working principle of embodiment three is: first, insert the filter element body 2 into the outer shell 1 through the handle 21, and cover the cover 5, then rotate the eccentric knob 6 to make the lower surface of the eccentric knob 6 contact with the upper surface of the cover 5, and lock and fix the cover 5, thereby realizing the locking and fixing of the filter element body 2. When the filter element body 2 needs to be removed, rotate the eccentric knob 6 to disengage the eccentric knob 6 from the cover 5, and then take out the filter element body 2.

[0040] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A water purifier filter element locking device, comprising a housing (1), a filter element body (2), a first locking assembly (3), a second locking assembly (4) and an eccentric knob (6), characterized in that: The filter element body (2) is slidably inserted in the outer shell (1), and a handle (21) is fixedly installed on the top of the filter element body (2).

2. The water purifier filter element locking device according to claim 1, characterized in that: The first locking assembly (3) comprises two first locking pieces (31) distributed in a mirror image, the two first locking pieces (31) are slidably inserted in the filter element body (2), and the first locking piece (31) is slidably inserted in the housing (1).

3. The water purifier filter element locking device according to claim 1, characterized in that: A slide rail (22) is fixedly mounted on the top of the filter element body (2), a push rod (33) is slidably mounted in the slide rail (22), and the push rod (33) can be mounted in the handle (21).

4. The water purifier filter element locking device according to claim 3, characterized in that: Two connection plates (32) distributed in a mirror image are hingedly mounted on the push rod (33), and the other end of the connection plate (32) is hingedly connected to one end of the corresponding first locking plate (31).

5. The water purifier filter element locking device according to claim 1, characterized in that: The second locking assembly (4) comprises a second locking plate (41), and the second locking plate (41) is slidably inserted in the filter element body (2).

6. The water purifier filter element locking device according to claim 5, characterized in that: A push block (42) is fixedly mounted on one end of the second locking piece (41), a slide groove (11) is provided at the top end of the housing (1), and the push block (42) is slidably locked in the slide groove (11).

7. The water purifier filter element locking device according to claim 6, characterized in that: A spring telescopic rod (43) is fixedly installed in the slide groove (11), and one end of the spring telescopic rod (43) is fixedly connected to the push block (42).

8. The water purifier filter element locking device according to claim 1, characterized in that: A cover plate (5) is hingedly mounted on the top of the housing (1), and the lower surface of the cover plate (5) contacts the top of the filter element body (2). A fixing groove (12) is provided on the top of the housing (1), and an eccentric knob (6) is rotatably mounted in the fixing groove (12), and the lower surface of the eccentric knob (6) can be rotatably mounted to contact the upper surface of the cover plate (5).

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