Filter element and lock catch structure

Abstract

The utility model discloses a filter element and a lock catch structure, and relates to the technical field of purification devices. The filter comprises a barrel, a guide opening is formed in the top face of the barrel in a penetrating mode, a filter shell is arranged in the guide opening in a penetrating mode, a lock hole is formed in the upper portion of the side wall of the barrel, an upper shell cover is fixedly connected to the top face of the filter shell, and a lower shell cover is fixedly connected to the bottom face of the filter shell. A filter element water opening is formed in the middle of the bottom face of the lower shell cover in a penetrating mode, a positioning hole is formed in the position, on one side of the filter element water opening, of the bottom face of the lower shell cover in a penetrating mode, a notch is formed in the top face of the upper shell cover, a locking block is slidably connected into the notch, and the locking block corresponds to and is matched with the locking hole. The inner bottom wall of the notch is fixedly connected with a limiting plate, and the limiting plate corresponds to and is matched with the locking block; the filter element locking device is easy to use, the filter element can be automatically locked, and the locked filter element can be conveniently unlocked, so that the filter element can be conveniently replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of purification devices, in particular to a filter element and a locking structure. Background Art

[0002] Filter element is a professional term for filtering and purification functions. In order to purify the resources of the original fluid and the simple device for separating the resources, the filter element is mainly used in the filtering industry such as oil filtration, air filtration, and water filtration. The existing filter element has some shortcomings when being used. It cannot be automatically locked when installed, and it is also troublesome to disassemble. In view of the above problems, the inventor proposes a filter element and a locking structure to solve the above problems. Utility Model Content

[0003] In order to solve the problems that the existing filter element cannot be automatically locked when installed and is troublesome to disassemble, the purpose of the utility model is to provide a filter element and a locking structure.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: a filter element and locking structure, including a cylinder, a guide port is penetrated on the top surface of the cylinder, a filter shell is inserted inside the guide port, a locking hole is arranged on the upper part of the side wall of the cylinder, an upper shell cover is fixedly connected to the top surface of the filter shell, a lower shell cover is fixedly connected to the bottom surface of the filter shell, a filter element water inlet is inserted in the middle part of the bottom surface of the lower shell cover, a positioning hole is inserted on the bottom surface of the lower shell cover and on one side of the filter element water inlet, a recess is arranged on the top surface of the upper shell cover, a locking block is slidably connected to the inside of the recess, and the locking block corresponds to and cooperates with the locking hole.

[0005] Preferably, a waterway plate is provided on the bottom surface of the cylinder body, and a positioning column is fixedly connected to the top surface of the waterway plate, and the positioning column corresponds to and cooperates with the positioning hole. The installation of the waterway plate can be completed by cooperating the positioning column with the positioning hole. There are two locking blocks, and the two locking blocks are symmetrically distributed with the axis of the filter housing as the center. A spring is provided in the mouth of the recess, and one end of the spring is fixed to the end face of one of the locking blocks, and the other end of the spring is fixed to the end face of the other locking block. When locking is required, the filter housing is inserted into the guide port, and the positioning column is matched with the positioning hole. At this time, the spring is in a compressed state, and the filter housing is moved upward. When the locking block moves to the locking hole, the locking block can be pushed to move toward the locking hole under the action of the spring elastic force, so that the locking block moves into the locking hole for automatic locking. When unlocking is required, the two handles are moved toward the center at the same time, so that the locking block moves to the locking hole, and unlocking can be completed to pull out the filter housing.

[0006] Preferably, the inner bottom wall of the recess is fixedly connected with a limit plate, and the limit plate corresponds to and cooperates with the locking block. When the two handles are moved toward the center, excessive compression of the spring can be avoided by the limit plate. The top surface of the upper shell cover is detachably provided with an end cover, and the top surface of the end cover is penetrated with a notch. The top surface of the locking block is fixedly connected with a handle, and the handle is located in the notch, and the handle can be moved in the notch. When unlocking is required, the two handles are moved toward the center at the same time, so that the locking block is moved to the locking hole, and the unlocking can be completed to pull out the filter shell.

[0007] Compared with the prior art, the beneficial effects of the utility model are: simple to use, can realize automatic locking of the filter element, and is convenient to unlock the locked filter element so as to replace the filter element. The filter housing is inserted into the guide port, and the spring is in a compressed state at this time. The filter housing is moved upward. When the locking block moves to the locking hole, the locking block can be pushed to move to the locking hole under the action of the spring elastic force, so that the locking block can be moved to the locking hole for automatic locking. When unlocking is required, the two handles are moved toward the center at the same time, so that the locking block moves to the locking hole, and the unlocking can be completed to pull out the filter housing. The operation is convenient and simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] 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.

[0009] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0010] Figure 2 This is an exploded view of the utility model.

[0011] Figure 3 This is a schematic diagram of the filter housing structure of the utility model.

[0012] Figure 4 This is an exploded view of the filter housing of the utility model.

[0013] Figure 5 It is an enlarged view of point A of the present utility model.

[0014] In the figure: 1. Cylinder; 2. Guide port; 3. Lock hole; 4. Waterway plate; 5. Positioning column; 6. Filter shell; 7. Upper shell cover; 8. Lower shell cover; 9. Positioning hole; 10. Filter element water outlet; 11. Notch; 12. Lock block; 13. Handle; 14. Spring; 15. Limit plate; 16. End cover; 17. Notch. DETAILED DESCRIPTION

[0015] 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.

[0016] Example: Figure 1-5 As shown, the utility model provides a filter element and lock structure, including a cylinder 1, a guide port 2 is penetrated on the top surface of the cylinder 1, a filter housing 6 is inserted inside the guide port 2, a lock hole 3 is arranged on the upper part of the side wall of the cylinder 1, an upper shell cover 7 is fixedly connected to the top surface of the filter housing 6, a lower shell cover 8 is fixedly connected to the bottom surface of the filter housing 6, a filter element water inlet 10 is inserted in the middle of the bottom surface of the lower shell cover 8, a positioning hole 9 is inserted on the bottom surface of the lower shell cover 8 and on one side of the filter element water inlet 10, a notch 11 is arranged on the top surface of the upper shell cover 7, a lock block 12 is slidably connected inside the notch 11, and the lock block 12 corresponds to and cooperates with the lock hole 3.

[0017] A waterway plate 4 is disposed on the bottom surface of the cylinder 1 , and a positioning column 5 is fixedly connected to the top surface of the waterway plate 4 . The positioning column 5 corresponds to and matches the positioning hole 9 .

[0018] By adopting the above technical solution, the waterway plate 4 can be installed by matching the positioning column 5 with the positioning hole 9 .

[0019] There are two locking blocks 12, and the two locking blocks 12 are symmetrically distributed with the axis of the filter housing 6 as the center. A spring 14 is arranged in the mouth of the recess 11, and one end of the spring 14 is fixed to the end face of one of the locking blocks 12, and the other end of the spring 14 is fixed to the end face of the other locking block 12.

[0020] By adopting the above technical solution, when locking is required, the filter housing 6 is inserted into the guide port 2, and the positioning column 5 is matched with the positioning hole 9. At this time, the spring 14 is in a compressed state, and the filter housing 6 is moved upward. When the locking block 12 moves to the locking hole 3, the locking block 12 can be pushed to move toward the locking hole 3 under the action of the elastic force of the spring 14, so that the locking block 12 moves into the locking hole 3 for automatic locking. When unlocking is required, the two handles 13 are moved toward the center at the same time, so that the locking block 12 moves to the locking hole 3, and the unlocking can be completed to pull out the filter housing 6.

[0021] The inner bottom wall of the notch 11 is fixedly connected with a limiting plate 15 , and the limiting plate 15 corresponds to and cooperates with the locking block 12 .

[0022] By adopting the above technical solution, when the two handles 13 are moved toward the center, excessive compression of the spring 14 can be avoided by the limiting plate 15 .

[0023] The top surface of the upper shell cover 7 is detachably provided with an end cover 16 , and a notch 17 is penetrated through the top surface of the end cover 16 . The top surface of the locking block 12 is fixedly connected with a handle 13 , and the handle 13 is located in the notch 17 and can move in the notch 17 .

[0024] By adopting the above technical solution, when unlocking is required, the two handles 13 are moved toward the center at the same time, so that the locking block 12 moves to the locking hole 3, and the unlocking is completed to pull out the filter housing 6.

[0025] Working principle: When the utility model is in use, when locking is required, the filter housing 6 is inserted into the guide port 2, and the positioning column 5 is matched with the positioning hole 9. At this time, the spring 14 is in a compressed state, and the filter housing 6 is moved upward. When the locking block 12 moves to the locking hole 3, the locking block 12 can be pushed to move toward the locking hole 3 under the action of the elastic force of the spring 14, so that the locking block 12 moves into the locking hole 3 to automatically lock;

[0026] When unlocking is required, the two handles 13 are moved toward the center at the same time, so that the locking block 12 moves to the locking hole 3, and the unlocking is completed to pull out the filter housing 6.

[0027] 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 filter element and locking structure, comprising a cylinder (1), characterized in that: The top surface of the cylinder (1) is provided with a guide opening (2), a filter housing (6) is inserted into the guide opening (2), a locking hole (3) is provided at the upper part of the side wall of the cylinder (1), an upper shell cover (7) is fixedly connected to the top surface of the filter housing (6), a lower shell cover (8) is fixedly connected to the bottom surface of the filter housing (6), a filter element water inlet (10) is inserted into the middle part of the bottom surface of the lower shell cover (8), a positioning hole (9) is inserted into the bottom surface of the lower shell cover (8) and on one side of the filter element water inlet (10), a notch (11) is provided on the top surface of the upper shell cover (7), a locking block (12) is slidably connected to the inside of the notch (11), and the locking block (12) corresponds to and cooperates with the locking hole (3).

2. A filter element and lock structure as claimed in claim 1, characterized in that: The bottom surface of the cylinder (1) is provided with a waterway plate (4), the top surface of the waterway plate (4) is fixedly connected with a positioning column (5), and the positioning column (5) corresponds to and cooperates with the positioning hole (9).

3. A filter element and lock structure as claimed in claim 1, characterized in that: There are two locking blocks (12), and the two locking blocks (12) are symmetrically distributed with the axis of the filter housing (6) as the center.

4. A filter element and lock structure according to claim 1, characterized in that: A spring (14) is arranged in the mouth of the notch (11), and one end of the spring (14) is fixed to the end surface of one of the locking blocks (12), and the other end of the spring (14) is fixed to the end surface of another of the locking blocks (12).

5. A filter element and lock structure as claimed in claim 1, characterized in that: The inner bottom wall of the recess (11) is fixedly connected to a limiting plate (15), and the limiting plate (15) corresponds to and cooperates with the locking block (12).

6. A filter element and lock structure as claimed in claim 1, characterized in that: The top surface of the upper shell cover (7) is detachably provided with an end cover (16), and the top surface of the end cover (16) is penetrated by a notch (17).

7. A filter element and lock structure as claimed in claim 6, characterized in that: A handle (13) is fixedly connected to the top surface of the locking block (12); the handle (13) is located in the notch (17), and the handle (13) can move in the notch (17).

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