Five-in-one composite filter core assembly with gland and buckle position frame matched with the gland

Abstract

The utility model relates to five-in-one composite filter element assembly with gland and buckle position frame matched with the gland, including filter core casing, first filter piece, second filter piece, filter core seat, third filter piece, RO film, RO center pole, fifth filter piece, upper cover assembly, gland and buckle position frame installed on waterway board. Its advantages are that it has five filter pieces, the filtering effect is good, the structure is compact, the gland cooperates with the buckle position piece to make the filter core connect firmly with the waterway board, improves the firmness of connection and is more reliable, and can prevent from coming out.

Description

Technical Field

[0001] This utility model relates to a five-in-one composite filter element assembly with a pressure cap and a fastening bracket that matches the pressure cap. Background Technology

[0002] Currently, there is only one type of filter element available, which has a single function and poor filtration effect. Summary of the Invention

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a five-in-one composite filter element assembly with a pressure cap and a fastening bracket that matches the pressure cap. It has five layers of filtration elements, good filtration effect, and compact structure. The pressure cap and fastening bracket work together to firmly connect the filter element to the water circuit board, improve the connection firmness and reliability, and prevent it from falling out.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows: a five-in-one composite filter element assembly with a pressure cap and a fastening frame matching the pressure cap, characterized by comprising: The filter element housing, a first filter element, a second filter element, a filter element seat, and a third filter element; the first filter element is installed in the filter element housing and there is a gap between the side wall of the first filter element and the filter element housing; the second filter element is located in the central cylinder of the first filter element; the filter element seat is installed on the upper part of the first filter element and the second filter element; and the third filter element is installed on the lower part of the filter element seat and communicates with the central cylinder of the second filter element. The RO membrane, RO center rod, and fifth filter element are installed on the upper part of the filter element holder and located in the filter element housing. There is a gap between the side wall of the RO membrane and the inner wall of the filter element housing. The gap between the first filter element and the filter element housing and the gap between the RO membrane and the filter element housing form the inlet channel a. The lower part of the RO membrane and the water of the third filter element are connected to the lower part of the RO membrane. The RO center rod is located in the central cylinder of the RO membrane, and the fifth filter element is located in the central cylinder of the RO center rod. The top cover assembly includes a raw water inlet channel group, a pure water outlet channel group, and a wastewater outlet channel group. The top cover assembly is installed on the upper part of the filter cartridge housing and is located above the RO membrane, the RO central rod, and the fifth filter element. The raw water inlet channel group is connected to inlet channel a, the pure water outlet channel group is connected to the central cylinder of the fifth filter element, and the wastewater outlet channel group is connected to the upper part of the RO membrane. A pressure cap and a fastening bracket installed on the water circuit board; the pressure cap is rotatably installed on the upper cover assembly, and the pressure cap is provided with fastening holes. The fastening bracket is provided with three holes, fastening blocks, and positioning elements; when the pressure cap rotates downward, the fastening holes fasten onto the fastening blocks, and the positioning elements abut against the pressure cap to position the pressure cap. The three holes are respectively connected to the raw water inlet channel group, the pure water outlet channel group, and the wastewater outlet channel group.

[0005] In this technical solution, the upper cover assembly includes an upper end cover, an upper outer cover, and an upper cover; the upper outer cover is installed on the upper part of the RO membrane, and an upper outer cover outlet is provided on the upper part of the upper outer cover; the upper end cover is installed at the center cylinder of the fifth filter element, and an upper end cover flow channel communicating with the center cylinder of the fifth filter element is provided on the upper end cover; the upper end cover is located in the upper outer cover, and there is a gap between the outer wall of the upper end cover and the inner wall of the upper outer cover to form an upper outer cover flow channel communicating with the upper outer cover outlet; the upper outer cover flow channel is also connected to the upper part of the RO membrane; the upper cover covers the upper end cover and the upper outer cover; and the upper end cover is installed on the upper end cover and the upper outer cover. The cover is provided with a raw water inlet channel, a pure water outlet channel, and a wastewater outlet channel. The raw water inlet channel is connected to inlet channel a, and the raw water inlet channel is the raw water inlet channel group. The pure water outlet channel is connected to the upper end cover channel, and the pure water outlet channel and the upper end cover channel are the pure water outlet channel group. The upper outer cover outlet is connected to the wastewater outlet channel, and the upper outer cover outlet, the upper outer cover channel, and the wastewater outlet channel are the wastewater outlet channel group. The three holes of the fastening bracket are respectively connected to the raw water inlet channel, the pure water outlet channel, and the wastewater outlet channel.

[0006] In this technical solution, the first filter element is folded cotton, and the second filter element is a first carbon rod.

[0007] In this technical solution, the third filter element is ultrasonic cotton, and the fifth filter element is a second carbon rod.

[0008] This technical solution also includes a filter element bottom cover, which is installed at the lower part of the first filter element and the second filter element.

[0009] This technical solution also includes a lower end cap installed at the bottom of the fifth filter element.

[0010] In this technical solution, a recessed position is provided on the buckle hole, and a protrusion is provided on the buckle block. When the buckle hole is fastened on the buckle block, the protrusion is inserted into the recessed position to position the pressure cap.

[0011] In this technical solution, the positioning element is a hook. When the cover rotates, the hook abuts against the upper part of the cover to position the cover.

[0012] In this technical solution, the pressure cap is provided with an arc-shaped slide, a protrusion and a rotating hole, and the upper cover is provided with a slider, a groove and a rotating shaft. The rotating hole is coaxial with the arc-shaped slide, and the slider is inserted into the arc-shaped slide and can slide relative to it. When the pressure cap rotates, the protrusion is inserted into the groove, and the rotating shaft is inserted into the rotating hole to make the pressure cap rotate. The upper cover is mounted on the pressure cap.

[0013] The advantages of this utility model compared with the prior art are: it has five layers of filter elements, which has a good filtration effect, a compact structure, and the combination of the pressure cap and the fastening parts makes the filter element firmly connected to the water circuit board, which improves the connection firmness and reliability and can prevent it from falling out. Attached Figure Description

[0014] Figure 1 This is an exploded view of the present invention; Figure 2 This is a schematic diagram of the structure of this utility model; Figure 3 This is a structural schematic diagram of the pressure cap, top cover, and fastening bracket of this utility model. Figure 4 This is a top view of the pressure cap, top cover, and fastening bracket of this utility model; Figure 5 yes Figure 4 AA section view; Figure 6 yes Figure 5 A magnified view of part B; Figure 7 This is a schematic diagram of the structure of this utility model after removing the pressure cap, top cover and fastening bracket; Figure 8 This is a top view of the present invention; Figure 9 yes Figure 8 CC section view; Figure 10 yes Figure 9 A magnified view of part D; Figure 11 yes Figure 9 A magnified view of part E; Figure 12 This is a side view of the present invention; Figure 13 yes Figure 12 FF sectional view. Detailed Implementation

[0015] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0016] like Figures 1 to 13 As shown, it is a five-in-one composite filter element assembly with a cap and a matching fastener, including: The filter cartridge housing 1, the first filter element 3, the second filter element 4, the filter cartridge seat 5, and the third filter element 6; the first filter element 3 is installed in the filter cartridge housing 1 and there is a gap between the side wall of the first filter element 3 and the filter cartridge housing 1; the second filter element 4 is located in the central cylinder of the first filter element 3; the filter cartridge seat 5 is installed on the upper part of the first filter element 3 and the second filter element 4; and the third filter element 6 is installed on the lower part of the filter cartridge seat 5 and communicates with the central cylinder of the second filter element 4. RO membrane 7, RO center rod 8, and fifth filter element 10; the RO membrane 7 and RO center rod 8 are installed on the upper part of the filter element seat 5 and located in the filter element housing 1. There is a gap between the side wall of the RO membrane 7 and the inner wall of the filter element housing 1. The gap between the first filter element 3 and the filter element housing 1 and the gap between the RO membrane 7 and the filter element housing 1 form an inlet channel 1a. The lower part of the RO membrane 7 and the water of the third filter element 6 are connected to the lower part of the RO membrane 7. The RO center rod 8 is located in the central cylinder of the RO membrane 7, and the fifth filter element 10 is located in the central cylinder of the RO center rod 8. The top cover assembly includes a raw water inlet channel group, a pure water outlet channel group, and a wastewater outlet channel group. The top cover assembly is installed on the upper part of the filter cartridge housing 1 and is located above the RO membrane 7, the RO central rod 8, and the fifth filter element 10. The raw water inlet channel group is connected to the inlet channel 1a, the pure water outlet channel group is connected to the central cylinder of the fifth filter element 10, and the wastewater outlet channel group is connected to the upper part of the RO membrane 7. The pressure cap 15 and the fastening bracket 14 mounted on the water circuit board; the pressure cap 15 is rotatably mounted on the upper cover assembly, and the pressure cap 15 is provided with fastening holes 153. The fastening bracket 14 is provided with three holes, fastening blocks 142 and positioning elements; when the pressure cap 15 is rotated downward, the fastening holes 153 fasten onto the fastening blocks 142, and the positioning elements abut against the pressure cap 15 to position the pressure cap 15. The three holes are respectively connected to the raw water inlet channel group, the pure water outlet channel group and the wastewater outlet channel group.

[0017] In use, raw water sequentially passes through the raw water inlet channel group, inlet channel 1a, first filter element 3, second filter element 4, third filter element 6, RO membrane 7, RO center rod 8, and fifth filter element 10 before connecting to the pure water outlet channel group. Wastewater is discharged through the wastewater outlet channel group. When the pressure cap 15 is rotated downwards, the buckle hole 153 is fastened onto the buckle block 142, and the positioning element abuts against the pressure cap 15 to position the pressure cap 15. The three holes are respectively connected to the raw water inlet channel group, the pure water outlet channel group, and the wastewater outlet channel group, thereby allowing the filter element to be inserted into the buckle frame 14.

[0018] In this embodiment, the upper cover assembly includes an upper end cover 11, an upper outer cover 12, and an upper cover 13. The upper outer cover 12 is installed on the upper part of the RO membrane 7, and an upper outer cover outlet 121 is provided on the upper part of the upper outer cover 12. The upper end cover 11 is installed at the center cylinder of the fifth filter element 10, and an upper end cover flow channel 111 communicating with the center cylinder of the fifth filter element 10 is provided on the upper end cover 11. The upper end cover 11 is located in the upper outer cover 12, and there is a gap between the outer wall of the upper end cover 11 and the inner wall of the upper outer cover 12 to form an upper outer cover flow channel 122 communicating with the upper outer cover outlet 121. The upper outer cover flow channel 122 is also communicating with the upper part of the RO membrane 7. The upper cover 13 covers the upper end cover 11 and the upper outer cover 12, and on the upper cover 13... The system includes a raw water inlet channel 133, a pure water outlet channel 132, and a wastewater outlet channel 131. The raw water inlet channel 133 is connected to the inlet channel 1a, forming a raw water inlet channel group. The pure water outlet channel 132 is connected to the upper end cover channel 111, forming a pure water outlet channel group. The upper outer cover outlet 121 is connected to the wastewater outlet channel 131, forming a wastewater outlet channel group. The upper outer cover outlet 121, the upper outer cover channel 122, and the wastewater outlet channel 131 are connected to the wastewater outlet channel group. The three holes of the latching frame 14 are respectively connected to the raw water inlet channel 133, the pure water outlet channel 132, and the wastewater outlet channel 131. During use, raw water is discharged sequentially through raw water inlet channel 133, inlet channel 1a, first filter element 3, second filter element 4, third filter element 6, RO membrane 7, RO center rod 8 and fifth filter element 10, upper end cover channel 111 and pure water outlet channel 132, while wastewater is discharged through upper outer cover channel 122 and wastewater outlet channel 131.

[0019] In this embodiment, the first filter element 3 is folded cotton, and the second filter element 4 is a first carbon rod.

[0020] In this embodiment, the third filter element 6 is ultrasonic cotton, and the fifth filter element 10 is a second carbon rod.

[0021] In this embodiment, a filter element bottom cover 2 is also included, which is installed at the lower part of the first filter element 3 and the second filter element 4.

[0022] In this embodiment, a lower end cap 9 is also installed at the lower part of the fifth filter element 10.

[0023] In this embodiment, a recessed position 155 is provided on the buckle hole 153, and a protrusion 143 is provided on the buckle block 142. When the buckle hole 153 is fastened on the buckle block 142, the protrusion 143 is inserted into the recessed position 155 to position the pressure cover 15.

[0024] In this embodiment, the positioning element is a hook 141. When the cover 15 rotates, the hook 141 abuts against the upper part of the cover 15 to position the cover 15.

[0025] In this embodiment, the pressure cap 15 is provided with an arc-shaped slide 151, a protrusion 152 and a rotating hole 154, and the upper cover 13 is provided with a slider 134, a groove 135 and a rotating shaft 136. The rotating hole 154 is coaxial with the arc-shaped slide 151, and the slider 134 is inserted into the arc-shaped slide 151 and can slide relative to it. When the pressure cap 15 rotates, the protrusion 152 is inserted into the groove 135, and the rotating shaft 136 is inserted into the rotating hole 154, so that the pressure cap 15 is rotated and mounted on the upper cover 13.

[0026] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations of these embodiments without departing from the principles and spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A five-in-one composite filter element assembly with a pressure cap and a fastening bracket matching the pressure cap, characterized in that... include: The filter element housing (1), the first filter element (3), the second filter element (4), the filter element seat (5), and the third filter element (6); the first filter element (3) is installed in the filter element housing (1) and there is a gap between the side wall of the first filter element (3) and the filter element housing (1); the second filter element (4) is located in the central cylinder of the first filter element (3); the filter element seat (5) is installed on the upper part of the first filter element (3) and the second filter element (4); the third filter element (6) is installed on the lower part of the filter element seat (5) and communicates with the central cylinder of the second filter element (4); RO membrane (7), RO center rod (8) and fifth filter element (10); the RO membrane (7) and RO center rod (8) are installed on the upper part of the filter element seat (5) and located in the filter element housing (1). There is a gap between the side wall of the RO membrane (7) and the inner wall of the filter element housing (1). The gap between the first filter element (3) and the filter element housing (1) and the gap between the RO membrane (7) and the filter element housing (1) form an inlet channel (1a). The water in the lower part of the RO membrane (7) and the third filter element (6) are connected to the lower part of the RO membrane (7). The RO center rod (8) is located in the center cylinder of the RO membrane (7). The fifth filter element (10) is located in the center cylinder of the RO center rod (8). The top cover assembly is provided with a raw water inlet channel group, a pure water outlet channel group, and a wastewater outlet channel group. The top cover assembly is installed on the upper part of the filter element housing (1) and located above the RO membrane (7), the RO center rod (8), and the fifth filter element (10). The raw water inlet channel group is connected to the inlet channel (1a), the pure water outlet channel group is connected to the center cylinder of the fifth filter element (10), and the wastewater outlet channel group is connected to the upper part of the RO membrane (7). A pressure cap (15) and a fastening bracket (14) installed on the water circuit plate; the pressure cap (15) is rotatably installed on the upper cover assembly, and a fastening hole (153) is provided on the pressure cap (15). The fastening bracket (14) is provided with three holes, a fastening block (142) and a positioning element; when the pressure cap (15) rotates downward, the fastening hole (153) fastens onto the fastening block (142), and the positioning element abuts against the pressure cap (15) to position the pressure cap (15). The three holes are respectively connected to the raw water inlet channel group, the pure water outlet channel group and the wastewater outlet channel group.

2. The five-in-one composite filter element assembly with a pressure cap and the fastening bracket matching the pressure cap as described in claim 1, characterized in that... The upper cover assembly includes an upper end cover (11), an upper outer cover (12), and an upper cover (13). The upper outer cover (12) is installed on the upper part of the RO membrane (7), and an upper outer cover outlet (121) is provided on the upper part of the upper outer cover (12). The upper end cover (11) is installed at the center cylinder of the fifth filter element (10), and an upper end cover flow channel (111) communicating with the center cylinder of the fifth filter element (10) is provided on the upper end cover (11). The upper end cover (11) is located in the upper outer cover (12), and there is a gap between the outer wall of the upper end cover (11) and the inner wall of the upper outer cover (12) to form an upper outer cover flow channel (122) communicating with the upper outer cover outlet (121). The upper outer cover flow channel (122) is also connected to the upper part of the RO membrane (7). The upper cover (13) covers the upper end cover (11) and the upper outer cover (12). The device is equipped with a raw water inlet channel (133), a pure water outlet channel (132), and a wastewater outlet channel (131). The raw water inlet channel (133) is connected to the inlet channel (1a), and the raw water inlet channel (133) is the raw water inlet channel group. The pure water outlet channel (132) is connected to the upper end cap channel (111), and the pure water outlet channel (132) and the upper end cap channel (111) are the same. It is a pure water outlet channel group. The upper outer cover outlet (121) is connected to the wastewater outlet channel (131). The upper outer cover outlet (121), the upper outer cover channel (122) and the wastewater outlet channel (131) are the wastewater outlet channel group. The three holes of the buckle frame (14) are connected to the raw water inlet channel (133), the pure water outlet channel (132) and the wastewater outlet channel (131) respectively.

3. The five-in-one composite filter element assembly with a pressure cap and the fastening bracket matching the pressure cap as described in claim 1, characterized in that... The first filter element (3) is folded cotton, and the second filter element (4) is a first carbon rod.

4. The five-in-one composite filter element assembly with a pressure cap and the fastening bracket matching the pressure cap as described in claim 1, characterized in that... The third filter element (6) is ultrasonic cotton, and the fifth filter element (10) is a second carbon rod.

5. The five-in-one composite filter element assembly with a pressure cap and the fastening bracket matching the pressure cap according to claim 1, characterized in that... It also includes a filter element bottom cover (2), which is installed at the lower part of the first filter element (3) and the second filter element (4).

6. The five-in-one composite filter element assembly with a pressure cap and the fastening bracket matching the pressure cap according to claim 1, characterized in that... It also includes a lower end cap (9) installed at the bottom of the fifth filter element (10).

7. The five-in-one composite filter element assembly with a pressure cap and the fastening bracket matching the pressure cap according to claim 1, characterized in that... A recessed position (155) is provided on the buckle hole (153), and a protrusion (143) is provided on the buckle block (142). When the buckle hole (153) is fastened on the buckle block (142), the protrusion (143) is inserted into the recessed position (155) to position the cover (15).

8. The five-in-one composite filter element assembly with a pressure cap and the fastening bracket matching the pressure cap according to claim 1, characterized in that... The positioning element is a hook (141). When the cover (15) rotates, the hook (141) abuts against the upper part of the cover (15) to position the cover (15).

9. The five-in-one composite filter element assembly with a pressure cap and the fastening bracket matching the pressure cap according to claim 2, characterized in that... The pressure cap (15) is provided with an arc-shaped slide (151), a protrusion (152) and a rotating hole (154). The upper cover (13) is provided with a slider (134), a groove (135) and a rotating shaft (136). The rotating hole (154) is coaxial with the arc-shaped slide (151). The slider (134) is inserted into the arc-shaped slide (151) and can slide relative to it. When the pressure cap (15) rotates, the protrusion (152) is inserted into the groove (135), and the rotating shaft (136) is inserted into the rotating hole (154) to make the pressure cap (15) rotate. The pressure cap (15) is installed on the upper cover (13).

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