Water filtering core body positioning structure of water purifying filter core

Abstract

The utility model discloses a water filtering core body positioning structure of a water purifying filter core, which relates to the technical field of water purifying filter cores, and comprises a filter body, the top end of the filter body is fixedly connected with a sealing ring I, the bottom end of the filter body is fixedly connected with a sealing ring II, the outer side of the filter body is fixedly connected with a plurality of fixing rings, and the fixing rings are distributed in a linear array. A positioning mechanism is arranged on the outer side of the filter body, the first sealing ring and the second sealing ring are both located on the inner side of the positioning mechanism, and the top end of the positioning mechanism is movably connected with a limiting disc. By arranging the positioning mechanism, the sealing ring in the annular groove is clamped with the sealing groove in the bottom end of the sealing ring, so that the sealing operation of the bottom end of the filter body is completed, sewage is prevented from flowing out of a gap, the sewage can be completely filtered through the filter body, the position of the filter body is conveniently limited, and the service life of the filter body is prolonged. The position deviation or deformation of the filter body in the sewage flowing process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of water purification filters, in particular to a water filtering core positioning structure of a water purification filter. Background Art

[0002] The water filtering core positioning structure of a water purification filter is an important part to ensure the correct installation and fixation of the filter in the water filter. With the improvement of people's requirements for the quality of domestic water, water purification filters have been widely used in household and commercial occasions. The filter is the core component of the water purifier, and its function is to filter impurities in water, such as suspended solids, microorganisms, organic substances, heavy metal ions, etc., so as to provide clean drinking water. The filter usually consists of a filter body, sealing rings and other auxiliary components. The design and installation method of the filter directly affect its filtering effect and service life.

[0003] However, there are some problems in the installation and replacement of existing water purification filters. For example, the positioning of the filter is not accurate enough, which may cause the position deviation of the filter in the water filter, affecting the sealing effect and filtering efficiency; the fixation of the filter is not firm enough, and the filter may become loose or fall off during use. Therefore, a water filtering core positioning structure of a water purification filter is needed to solve the existing deficiencies. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a water filtering core positioning structure of a water purification filter. Through the provided positioning mechanism, it is convenient to limit the position of the filter body, and avoid the position deviation or deformation of the filter body during the flow of sewage; through the provided limiting mechanism, the filter body is restricted inside the support rod, which can facilitate the replacement of the filter body at any time, and the operation is convenient and fast.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a water filtering core positioning structure of a water purification filter, including a filter body. A first sealing ring is fixedly connected to the top end of the filter body, and a second sealing ring is fixedly connected to the bottom end of the filter body. Several fixing rings are fixedly connected to the outer side of the filter body, and the fixing rings are distributed in a linear array. A positioning mechanism is arranged on the outer side of the filter body, and both the first sealing ring and the second sealing ring are located inside the positioning mechanism. The top end of the positioning mechanism is movably connected with a limiting disc. A connecting pipe is fixedly connected to the top end of the limiting disc. A limiting mechanism is arranged inside the limiting disc, and the limiting mechanism is movably connected with the positioning mechanism.

[0007] The present utility model is further configured such that the positioning mechanism includes a chassis, a connecting ring, support rods, and limiting strips. The support rods and the limiting strips are both distributed in a circular array. The limiting strips are respectively fixedly connected to the inner sides of the support rods. The bottom ends of the support rods and the bottom ends of the limiting strips are both fixedly connected to the top end of the chassis. The top ends of the support rods and the top ends of the limiting strips are both fixedly connected to the bottom end of the connecting ring.

[0008] The present utility model is further configured such that several first card slots are provided on the outer sides of the first sealing ring and the second sealing ring, and several second card slots are provided on the outer side of the fixing ring. The first card slots and the second card slots are both distributed in a circular array. The first card slots are all movably connected to the limiting strips, and the second card slots are all movably connected to the limiting strips.

[0009] The present utility model is further configured such that a ring groove is provided on the top end of the chassis, a sealing ring is fixedly connected inside the ring groove, a sealing ring is fixedly connected to the bottom end of the second sealing ring, the sealing ring is adapted to the ring groove, a sealing groove is provided at the bottom end of the sealing ring, and the sealing ring is adapted to the sealing groove.

[0010] The present utility model is further configured such that the limiting mechanism includes a moving ring, a traction rope, insertion rods, and return springs. The traction ropes, the insertion rods, and the return springs are all distributed in a circular array. The insertion rods are all movably connected inside the limiting disc. One ends of the traction ropes are respectively fixedly connected to the tail ends of the insertion rods, and the other ends of the traction ropes are all fixedly connected to the inner side of the moving ring. The return springs are respectively sleeved on the outer sides of the traction ropes.

[0011] The present utility model is further configured such that the moving ring is sleeved on the outer side of the connecting pipe, and the moving ring is movably connected to the connecting pipe. The traction rope is movably connected inside the pipe wall of the connecting pipe and inside the limiting disc.

[0012] The present utility model is further configured such that an auxiliary ring is fixedly connected to the outer side of the connecting pipe, and the auxiliary ring is located directly above the moving ring. Several insertion holes are provided inside the connecting ring. The insertion holes are distributed in a circular array. The insertion rods are respectively adapted to the insertion holes.

[0013] The present utility model has the following beneficial effects:

[0014] First, through the provided positioning mechanism of the present utility model, the sealing ring inside the ring groove is engaged with the sealing groove at the bottom end of the sealing ring, thereby completing the sealing operation at the bottom end of the filter body, preventing sewage from flowing out through the gaps, ensuring that the sewage can be completely filtered through the filter body, and facilitating the position limitation of the filter body to avoid the position deviation or deformation of the filter body during the sewage flow.

[0015] Second, through the provided limiting mechanism of the present utility model, under the action of the return spring, the insertion rod is inserted into the interior of the insertion hole. At this time, the bottom end of the limiting disc closely adheres to the top end of the first sealing ring, thereby restricting the filter body inside the support rod, which can facilitate the replacement of the filter body at any time, and the operation is convenient and fast.

[0016] Of course, it is not necessary for any product implementing the present utility model to simultaneously achieve all the above-mentioned advantages. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is an exploded structural schematic diagram of the present utility model;

[0020] Figure 3 is a structural schematic diagram of the positioning mechanism of the present utility model;

[0021] Figure 4 is a structural schematic diagram of the limiting mechanism and its connecting parts of the present utility model;

[0022] Figure 5 is a structural schematic diagram of the bottom part of the filter body of the present utility model;

[0023] Figure 6 is the present utility model Figure 3 an enlarged structural schematic diagram of part A in;

[0024] Figure 7 is the present utility model Figure 4 an enlarged structural schematic diagram of part B in.

[0025] In the figure: 1. Filter body; 2. First sealing ring; 3. Second sealing ring; 4. Fixed ring; 5. Positioning mechanism; 501. Chassis; 502. Connecting ring; 503. Support rod; 504. Limiting strip; 6. Limiting disc; 7. Connecting pipe; 8. Limiting mechanism; 801. Moving ring; 802. Traction rope; 803. Insertion rod; 804. Return spring; 9. First card slot; 10. Second card slot; 11. Ring groove; 12. Sealing ring; 13. Sealing ring; 14. Sealing groove; 15. Auxiliary ring; 16. Insertion hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] As Figure 1-7 shown, the present invention provides a technical solution: a water filtering core positioning structure for a water purification filter element, including a filter body 1. A first sealing ring 2 is fixedly connected to the top end of the filter body 1, and a second sealing ring 3 is fixedly connected to the bottom end of the filter body 1. A plurality of fixing rings 4 are fixedly connected to the outer side of the filter body 1, and the fixing rings 4 are distributed in a linear array. A positioning mechanism 5 is arranged on the outer side of the filter body 1, and both the first sealing ring 2 and the second sealing ring 3 are located inside the positioning mechanism 5. A limiting disc 6 is movably connected to the top end of the positioning mechanism 5. A connecting pipe 7 is fixedly connected to the top end of the limiting disc 6. A limiting mechanism 8 is arranged inside the limiting disc 6, and the limiting mechanism 8 is movably connected to the positioning mechanism 5.

[0028] First, the chassis 501 needs to be fixed inside the filter, and then the operation of the filter element can be carried out. Align the first slot 9 on the outer side of the first sealing ring 2, the first slot 9 on the outer side of the second sealing ring 3, and the second slot 10 on the outer side of the fixing ring 4 with the limiting strip 504. Place the filter body 1 inside the support rod 503, and the limiting strip 504 passes through the first slot 9 of the second sealing ring 3, the second slot 10 of the fixing ring 4, and the first slot 9 of the first sealing ring 2 in sequence, so that the filter body 1 is completely restricted inside the support rod 503, and the sealing ring 13 at the bottom end of the second sealing ring 3 is engaged with the inner side of the ring groove 11, so that the sealing ring 12 inside the ring groove 11 is engaged with the sealing groove 14 at the bottom end of the sealing ring 13, thereby completing the sealing operation at the bottom end of the filter body 1. Subsequently, by holding the auxiliary ring 15, the movement of the limiting disc 6 is controlled, and the moving ring 801 is adjusted upward to drive the traction rope 802 to move, so that the plug rod 803 completely moves into the limiting disc 6, causing the return spring 804 to be compressed and shortened. Then, the bottom end of the limiting disc 6 is engaged with the inner side of the connecting ring 502. Release the moving ring 801, and then rotate the limiting disc 6. When the plug rod 803 is aligned with the jack 16, under the action of the return spring 804, the plug rod 803 is inserted into the jack 16. At this time, the bottom end of the limiting disc 6 is closely attached to the top end of the first sealing ring 2, thereby restricting the filter body 1 inside the support rod 503, and sewage can be injected into the filter body 1 through the connecting pipe 7.

[0029] As Figure 1 、 Figure 3 、 Figure 4 and Figure 6As shown, the positioning mechanism 5 includes a chassis 501, a connecting ring 502, a support rod 503 and a limiting strip 504. The support rods 503 and the limiting strips 504 are both distributed in a circular array. The limiting strips 504 are respectively fixedly connected to the inner sides of the support rods 503. The bottom ends of the support rods 503 and the bottom ends of the limiting strips 504 are both fixedly connected to the top end of the chassis 501. The top ends of the support rods 503 and the top ends of the limiting strips 504 are both fixedly connected to the bottom end of the connecting ring 502. A plurality of first slots 9 are formed on the outer sides of both the first sealing ring 2 and the second sealing ring 3, and a plurality of second slots 10 are formed on the outer side of the fixing ring 4. The first slots 9 and the second slots 10 are both distributed in a circular array. The first slots 9 are all movably connected to the limiting strips 504, and the second slots 10 are all movably connected to the limiting strips 504. A ring groove 11 is formed on the top end of the chassis 501, and a sealing ring 12 is fixedly connected to the inside of the ring groove 11. The bottom end of the second sealing ring 3 is fixedly connected to a sealing ring 13, and the sealing ring 13 is adapted to the ring groove 11. A sealing groove 14 is formed on the bottom end of the sealing ring 13, and the sealing ring 12 is adapted to the sealing groove 14.

[0030] Align the first slots 9 on the outer side of the first sealing ring 2, the first slots 9 on the outer side of the second sealing ring 3 and the second slots 10 on the outer side of the fixing ring 4 with the limiting strips 504. By placing the filter body 1 inside the support rods 503, and the limiting strips 504 pass through the first slots 9 of the second sealing ring 3, the second slots 10 of the fixing ring 4 and the first slots 9 of the first sealing ring 2 in sequence, the filter body 1 is completely restricted inside the support rods 503, and the sealing ring 13 at the bottom end of the second sealing ring 3 is engaged with the inside of the ring groove 11, so that the sealing ring 12 inside the ring groove 11 is engaged with the sealing groove 14 at the bottom end of the sealing ring 13, thereby completing the sealing operation at the bottom end of the filter body 1, preventing sewage from flowing out through the gaps, ensuring that the sewage can completely pass through the filter body 1 for filtration, and facilitating the position limitation of the filter body 1, preventing the position deviation or deformation of the filter body 1 during the flow of sewage.

[0031] As Figure 1 、 Figure 4 and Figure 7As shown in the figure, the limit mechanism 8 includes a moving ring 801, a traction rope 802, a plug rod 803 and a return spring 804. The traction rope 802, the plug rod 803 and the return spring 804 are all distributed in a circular array. The plug rods 803 are all movably connected to the inside of the limit disk 6. One end of the traction rope 802 is fixedly connected to the tail end of the plug rod 803, and the other end of the traction rope 802 is fixedly connected to the inner side of the moving ring 801. The return spring 804 is sleeved on the outside of the traction rope 802. The moving ring 801 is sleeved on the outside of the connecting pipe 7, and the moving ring 801 is movably connected to the connecting pipe 7. The traction rope 802 is movably connected to the inside of the pipe wall of the connecting pipe 7 and the inside of the limit disk 6. An auxiliary ring 15 is fixedly connected to the outside of the connecting pipe 7, and the auxiliary ring 15 is located directly above the moving ring 801. Several jacks 16 are opened on the inner side of the connecting ring 502. The jacks 16 are distributed in a circular array. The plug rods 803 are respectively adapted to the jacks 16.

[0032] By holding the auxiliary ring 15, the movement of the limit disk 6 is controlled, and the moving ring 801 is adjusted upward to drive the traction rope 802 to move, so that the plug rod 803 completely moves into the inside of the limit disk 6, making the return spring 804 compressed and shortened. Then, the bottom end of the limit disk 6 is engaged with the inner side of the connecting ring 502. The moving ring 801 is released, and then the limit disk 6 is rotated. When the plug rod 803 is aligned with the jack 16, under the action of the return spring 804, the plug rod 803 is inserted into the inside of the jack 16. At this time, the bottom end of the limit disk 6 is closely attached to the top end of the first sealing ring 2, thereby restricting the filter body 1 inside the support rod 503, which can facilitate the replacement of the filter body 1 at any time, and the operation is convenient and fast.

[0033] Working principle: When in use, first, the chassis 501 needs to be fixed inside the filter, and then the operation of the filter element can be carried out. Align the first slot 9 on the outside of the first sealing ring 2, the first slot 9 on the outside of the second sealing ring 3, and the second slot 10 on the outside of the fixing ring 4 with the limiting strip 504. Place the filter body 1 inside the support rod 503, and the limiting strip 504 passes through the first slot 9 of the second sealing ring 3, the second slot 10 of the fixing ring 4, and the first slot 9 of the first sealing ring 2 in sequence, so that the filter body 1 is completely restricted inside the support rod 503, and the sealing ring 13 at the bottom of the second sealing ring 3 is engaged with the inside of the ring groove 11, so that the sealing ring 12 inside the ring groove 11 is engaged with the sealing groove 14 at the bottom of the sealing ring 13, thus completing the sealing operation at the bottom of the filter body 1; Subsequently, by holding the auxiliary ring 15, the movement of the limiting disc 6 is controlled, and the moving ring 801 is adjusted upward to drive the traction rope 802 to move, so that the plug rod 803 completely moves into the limiting disc 6, and the return spring 804 is compressed and shortened. Then, the bottom end of the limiting disc 6 is engaged with the inside of the connecting ring 502. Release the moving ring 801, and then rotate the limiting disc 6. When the plug rod 803 is aligned with the jack 16, under the action of the return spring 804, the plug rod 803 is inserted into the jack 16. At this time, the bottom end of the limiting disc 6 is closely attached to the top end of the first sealing ring 2, so that the filter body 1 is restricted inside the support rod 503, and sewage can be injected into the filter body 1 through the connecting pipe 7.

[0034] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor limit the present invention to the specific embodiments described. Obviously, according to the content of this specification, many modifications and changes can be made. This specification selects and specifically describes these embodiments to better explain the principle and practical application of the present invention, so that those skilled in the art can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A water filter core positioning structure of a water purification filter element, comprising a filter body (1), characterized in that: The top end of the filter body (1) is fixedly connected to a sealing ring 1 (2), and the bottom end of the filter body (1) is fixedly connected to a sealing ring 2 (3). The outside of the filter body (1) is fixedly connected to a plurality of fixing rings (4), and the fixing rings (4) are distributed in a linear array. A positioning mechanism (5) is provided on the outside of the filter body (1), and both the sealing ring 1 (2) and the sealing ring 2 (3) are located on the inside of the positioning mechanism (5). The top end of the positioning mechanism (5) is movably connected to a limiting disk (6), and the top end of the limiting disk (6) is fixedly connected to a connecting pipe (7). A limiting mechanism (8) is provided inside the limiting disk (6), and the limiting mechanism (8) is movably connected to the positioning mechanism (5).

2. The water filter core positioning structure of a water purification filter element according to claim 1, characterized in that: The positioning mechanism (5) comprises a chassis (501), a connecting ring (502), a support rod (503) and a limiting bar (504); the support rod (503) and the limiting bar (504) are both distributed in a circular array; the limiting bars (504) are respectively fixedly connected to the inner side of the support rod (503); the bottom end of the support rod (503) and the bottom end of the limiting bar (504) are both fixedly connected to the top end of the chassis (501); and the top end of the support rod (503) and the top end of the limiting bar (504) are both fixedly connected to the bottom end of the connecting ring (502).

3. The water filter core positioning structure of a water purification filter element according to claim 2, characterized in that: The outer sides of the sealing ring 1 (2) and the sealing ring 2 (3) are each provided with a plurality of first clamping grooves (9), and the outer sides of the fixing ring (4) are each provided with a plurality of second clamping grooves (10). The first clamping grooves (9) and the second clamping grooves (10) are both distributed in a circular array. The first clamping grooves (9) are each movably connected to the limiting strip (504), and the second clamping grooves (10) are each movably connected to the limiting strip (504).

4. The water filter core positioning structure of the water purification filter element according to claim 3, characterized in that: The top of the chassis (501) is provided with an annular groove (11), the interior of the annular groove (11) is fixedly connected with a sealing ring (12), the bottom end of the sealing ring (3) is fixedly connected with a sealing ring (13), the sealing ring (13) is matched with the annular groove (11), the bottom end of the sealing ring (13) is provided with a sealing groove (14), and the sealing ring (12) is matched with the sealing groove (14).

5. The water filter core positioning structure of a water purification filter element according to claim 2, characterized in that: The limiting mechanism (8) comprises a moving ring (801), a traction rope (802), an insertion rod (803) and a reset spring (804); the traction rope (802), the insertion rod (803) and the reset spring (804) are all distributed in a circular array; the insertion rod (803) is movably connected to the inside of the limiting plate (6); one end of the traction rope (802) is fixedly connected to the tail end of the insertion rod (803), and the other end of the traction rope (802) is fixedly connected to the inner side of the moving ring (801); and the reset spring (804) is respectively sleeved on the outer side of the traction rope (802).

6. The water filter core positioning structure of the water purification filter core according to claim 5, characterized in that: The movable ring (801) is sleeved on the outside of the connecting tube (7), and the movable ring (801) is movably connected to the connecting tube (7), and the traction rope (802) is movably connected to the inside of the tube wall of the connecting tube (7) and the inside of the limiting plate (6).

7. The water filter core positioning structure of the water purification filter core according to claim 6, characterized in that: An auxiliary ring (15) is fixedly connected to the outer side of the connecting tube (7), and the auxiliary ring (15) is located directly above the movable ring (801). A plurality of insertion holes (16) are provided on the inner side of the connecting ring (502), and the insertion holes (16) are distributed in a circular array. The insertion rods (803) are respectively adapted to the insertion holes (16).

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