Durable gravel filter
By introducing structures such as support rods, sand and gravel frames, and limit rods into the sand and gravel filter, the problem of cumbersome sand and gravel replacement is solved, enabling quick replacement and reducing labor intensity.
Patent Information
- Application Number
- CN202422902991.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-26
AI Technical Summary
The existing sand and gravel filter requires a complicated, time-consuming, and labor-intensive process for replacing the sand and gravel after a period of use.
The design includes a shell, support rod, sand and gravel frame, limit rod, gear, and limit mechanism. The gear drives the limit rod to move, enabling quick replacement of the sand and gravel frame.
This enabled the rapid completion of sand and gravel replacement, reducing the labor intensity of the workers.
Smart Images
Figure CN223490482U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sand and gravel filter technology, specifically a durable sand and gravel filter. Background Technology
[0002] A sand filter, also known as a quartz sand filter, is a three-dimensional deep filtration filter that uses a sand bed of homogeneous quartz sand of equal particle size as the filter medium. It mainly uses sand and gravel as the filter media and is often used in the primary filtration stage of deep well water filtration and agricultural water treatment. It has the advantages of low cost and high filtration efficiency.
[0003] The sand and gravel in the sand filter need to be replaced after a period of use. Replacing the sand and gravel usually involves removing the old sand and gravel bit by bit with a shovel, which is a tedious, time-consuming and labor-intensive process. Utility Model Content
[0004] This utility model provides a durable sand and gravel filter that can quickly replace sand and gravel, thereby reducing the labor intensity of operators.
[0005] To achieve the above objectives, a durable sand and gravel filter is provided, comprising a housing, a through groove on the side surface of the housing, a support rod fixedly connected to the inner side surface of the housing, the upper surface of the support rod being horizontal to the lower surface of the through groove on the side surface of the housing, a sand and gravel frame slidably connected to the upper surface of the support rod, a groove on the side surface of the housing where the through groove is located, the through groove being at the center of the groove, a baffle being provided in the middle of the housing, a fixing block fixedly connected to the side surface of the housing where the through groove is located, a vertically penetrating sliding groove on the upper surface of the fixing block, a limiting rod slidably connected in the sliding groove of the fixing block, the bottom side surface of the limiting rod being inclined, and the top side surface of the limiting rod having a toothed groove. The support rod is provided to facilitate support of the sand and gravel frame, the sand and gravel frame is provided to facilitate placement of sand and gravel for filtration, the baffle is provided to facilitate blocking the groove on the side surface of the housing, and the limiting rod is provided to facilitate pressing the baffle against the housing.
[0006] According to the aforementioned durable sand and gravel filter, a fixed shaft is fixedly connected to the side surface of the housing, and a gear is rotatably connected to the cylindrical surface of the fixed shaft. The gear meshes with the tooth groove at the top of the limiting rod, and a rocker arm is fixedly connected to the side surface of the gear near its edge. The gear is provided to facilitate the movement of the limiting rod.
[0007] According to the aforementioned durable sand and gravel filter, a limiting mechanism is fixedly connected to the side surface of the housing. The limiting mechanism includes a support block, a sliding rod, a spring, and a pull block. The support block is fixedly connected to the side surface of the housing, and a through groove is provided on the upper surface of the support block. The sliding rod is slidably connected in the through groove of the support block, and the bottom end of the sliding rod is engaged in the tooth groove of a gear. The limiting mechanism is provided to facilitate limiting the rotation of the gear.
[0008] According to the aforementioned durable sand and gravel filter, the pull block is fixedly connected to the upper surface of the sliding rod, the spring is fixedly connected between the pull block and the support block, and the spring ring is on the outside of the sliding rod. The spring is provided to facilitate pulling the sliding rod into the gear teeth.
[0009] According to the aforementioned durable sand and gravel filter, a sealing strip is fixedly connected to the side of the baffle near the sand and gravel frame. The sealing strip contacts the side surface of the groove in the housing. The side surface of the sand and gravel frame near the baffle is provided with a groove, and a hanging ring is fixedly connected to the groove in the sand and gravel frame. The sealing strip is provided to facilitate sealing between the housing and the baffle.
[0010] According to the aforementioned durable sand and gravel filter, a circular hole is provided on the lower surface of the sand and gravel frame, and a filter is installed in the circular hole of the sand and gravel frame.
[0011] According to the aforementioned durable sand and gravel filter, the side surface of the housing is provided with a backwash water outlet and a backwash water inlet, the backwash water inlet is below the sand and gravel frame, the backwash water outlet is above the sand and gravel frame, and the bottom of the housing is provided with a water outlet.
[0012] According to the aforementioned durable sand and gravel filter, a support leg is fixedly connected to the lower surface of the housing, and a placement rod and an inclined rod are fixedly connected to the side surface of the housing where the through groove is located. The other end of the inclined rod is fixedly connected to the lower surface of the placement rod. The placement rod and inclined rod are provided to facilitate support when the sand and gravel frame is removed.
[0013] The beneficial effects of this utility model are: by setting up a sand and gravel frame, cover plate, limit rod, and support rod, the replacement of sand and gravel can be completed quickly, thereby reducing the labor intensity of operators.
[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0016] Figure 1This is a schematic diagram of the overall structure of a durable sand and gravel filter according to the present invention;
[0017] Figure 2 This is a schematic diagram of the overall structure of a durable sand and gravel filter according to this utility model from another perspective;
[0018] Figure 3 This is a schematic diagram of the internal cross-sectional structure of the housing of a durable sand and gravel filter according to this utility model;
[0019] Figure 4 This is a schematic diagram of the sand and gravel frame structure of a durable sand and gravel filter according to the present invention;
[0020] Figure 5 This is a schematic diagram of the limiting rod structure of a durable sand and gravel filter according to this utility model;
[0021] Figure 6 This is a magnified view of a portion of the structure at point A of a durable sand and gravel filter according to this utility model;
[0022] Figure 7 This is a magnified view of a portion of the structure at point C of a durable sand and gravel filter according to this utility model;
[0023] Figure 8 This is a magnified view of part B of the durable sand and gravel filter of this utility model.
[0024] Legend:
[0025] 1. Housing; 2. Limiting rod; 3. Fixing block; 4. Baffle; 5. Fixing shaft; 6. Rocker arm; 7. Gear; 8. Limiting mechanism; 801. Support block; 802. Sliding rod; 803. Spring; 804. Pull block; 9. Support leg; 10. Placement rod; 11. Diagonal rod; 12. Backwash water outlet; 13. Backwash water inlet; 14. Water outlet; 15. Sand and gravel frame; 16. Filter; 17. Supporting rod; 18. Hanging ring; 19. Sealing strip. Detailed Implementation
[0026] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0027] Reference Figures 1 to 8This utility model discloses a durable sand and gravel filter, comprising a housing 1, a through groove on the side surface of the housing 1, a support rod 17 fixedly connected to the inner side surface of the housing 1, the upper surface of the support rod 17 and the lower surface of the through groove on the side surface of the housing 1 being horizontal, a sand and gravel frame 15 slidably connected to the upper surface of the support rod 17, a groove on the side surface where the through groove of the housing 1 is located, the through groove of the housing 1 being at the center of the groove, a baffle 4 in the middle of the housing 1, a fixing block 3 fixedly connected to the side surface where the through groove of the housing 1 is located, a vertical through groove on the upper surface of the fixing block 3, a limiting rod 2 slidably connected in the groove of the fixing block 3, one side surface of the bottom of the limiting rod 2 being an inclined surface, and a toothed groove on the side surface of the top of the limiting rod 2, a round hole on the lower surface of the sand and gravel frame 15, a filter 16 installed in the round hole of the sand and gravel frame 15, a rubber layer on the outer surface of the sand and gravel frame 15, and when the sand and gravel frame 15 is installed inside the housing 1, the rubber layer at the edge of the sand and gravel frame 15 is in close contact with the inner surface of the housing 1.
[0028] The lower surface of the housing 1 is fixedly connected to the support leg 9, and the side surface of the housing 1 where the through groove is located is fixedly connected to the placement rod 10 and the inclined rod 11. The other end of the inclined rod 11 is fixedly connected to the lower surface of the placement rod 10.
[0029] A limiting mechanism 8 is fixedly connected to the side surface of the housing 1. The limiting mechanism 8 includes a support block 801, a sliding rod 802, a spring 803, and a pull block 804. The support block 801 is fixedly connected to the side surface of the housing 1. A through groove is provided on the upper surface of the support block 801. The sliding rod 802 is slidably connected in the through groove of the support block 801. The bottom end of the sliding rod 802 is locked in the tooth groove of the gear 7. The pull block 804 is fixedly connected to the upper surface of the sliding rod 802. The spring 803 is fixedly connected between the pull block 804 and the support block 801. The spring 803 is wrapped around the outside of the sliding rod 802 and is always in a tensile state.
[0030] A fixed shaft 5 is fixedly connected to the side surface of the housing 1. A gear 7 is rotatably connected to the cylindrical surface of the fixed shaft 5. The gear 7 meshes with the tooth groove at the top of the limiting rod 2. A rocker arm 6 is fixedly connected to the side surface of the gear 7 near the edge.
[0031] A sealing strip 19 is fixedly connected to the side of the baffle 4 near the sand and gravel frame 15. The sealing strip 19 contacts the side surface of the groove in the housing 1. The side surface of the sand and gravel frame 15 near the baffle 4 is provided with a groove. A hanging ring 18 is fixedly connected in the groove of the sand and gravel frame 15. When it is necessary to remove the sand and gravel frame 15, the hook is used to hook the hanging ring 18, and then the sand and gravel frame 15 is pulled out.
[0032] The side surface of the shell 1 is provided with a backwash water outlet 12 and a backwash water inlet 13. The backwash water inlet 13 is below the sand and gravel frame 15, and the backwash water outlet 12 is above the sand and gravel frame 15. The bottom of the shell 1 is provided with a water outlet 14. The backwash water outlet 12, backwash water inlet 13, and water outlet 14 are provided with shut-off valves.
[0033] Working principle: When the sand and gravel need to be replaced, drain the water from the shell 1, then turn the rocker arm 6 to drive the gear 7 to rotate, thereby moving the limit rod 2 upward, so that the limit rod 2 releases the pressure on the baffle 4. Then remove the baffle 4, use the hook to hook the hanging ring 18 on the sand and gravel frame 15, pull out the sand and gravel frame 15 and move it to the placement rod 10, then take out the sand and gravel in the sand and gravel frame 15 and replace it with new sand and gravel, level it, then push the sand and gravel frame 15 back to its original position, then put the baffle 4 back to its original position, and turn the rocker arm 6 to drive the gear 7 to rotate in the opposite direction, thereby moving the limit rod 2 downward. After the bottom inclined surface of the limit rod 2 contacts the edge of the baffle 4, the baffle 4 will be pushed towards the inside of the shell 1 during the downward movement of the limit rod 2, thereby causing the sealing strip 19 to press the shell 1.
[0034] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A durable sand and gravel filter, characterized in that, The device includes a housing (1), a through groove on the side surface of the housing (1), a support rod (17) fixedly connected to the inner side surface of the housing (1), the upper surface of the support rod (17) and the lower surface of the through groove on the side surface of the housing (1) are horizontal, a sand and gravel frame (15) is slidably connected to the upper surface of the support rod (17), a groove is provided on the side surface where the through groove of the housing (1), the through groove of the housing (1) is in the center of the groove, a baffle (4) is provided in the middle of the housing (1), a fixing block (3) is fixedly connected to the side surface where the through groove of the housing (1), a vertical through groove is provided on the upper surface of the fixing block (3), a limiting rod (2) is slidably connected in the groove of the fixing block (3), one side surface of the bottom of the limiting rod (2) is an inclined surface, and a toothed groove is provided on the side surface of the top of the limiting rod (2).
2. The durable sand and gravel filter according to claim 1, characterized in that, A fixed shaft (5) is fixedly connected to the side surface of the housing (1), and a gear (7) is rotatably connected to the cylindrical surface of the fixed shaft (5). The gear (7) meshes with the tooth groove at the top of the limiting rod (2), and a rocker arm (6) is fixedly connected to the side surface of the gear (7) near the edge.
3. A durable sand and gravel filter according to claim 2, characterized in that, The limiting mechanism (8) is fixedly connected to the side surface of the housing (1). The limiting mechanism (8) includes a support block (801), a sliding rod (802), a spring (803), and a pull block (804). The support block (801) is fixedly connected to the side surface of the housing (1). A through groove is provided on the upper surface of the support block (801). The sliding rod (802) is slidably connected in the through groove of the support block (801). The bottom end of the sliding rod (802) is stuck in the tooth groove of the gear (7).
4. A durable sand and gravel filter according to claim 3, characterized in that, The pull block (804) is fixedly connected to the upper surface of the sliding rod (802), and the spring (803) is fixedly connected between the pull block (804) and the support block (801). The spring (803) is wrapped around the outside of the sliding rod (802).
5. A durable sand and gravel filter according to claim 1, characterized in that, A sealing strip (19) is fixedly connected to the side of the baffle (4) near the sand and gravel frame (15). The sealing strip (19) is in contact with the side surface of the groove of the housing (1). The side surface of the sand and gravel frame (15) near the baffle (4) is provided with a groove. A hanging ring (18) is fixedly connected in the groove of the sand and gravel frame (15).
6. A durable sand and gravel filter according to claim 1, characterized in that, The lower surface of the sand and gravel frame (15) is provided with a round hole, and a filter (16) is installed in the round hole of the sand and gravel frame (15).
7. A durable sand and gravel filter according to claim 1, characterized in that, The shell (1) has a backwash water outlet (12) and a backwash water inlet (13) on its side surface. The backwash water inlet (13) is below the sand and gravel frame (15), and the backwash water outlet (12) is above the sand and gravel frame (15). The shell (1) has a water outlet (14) at its bottom.
8. A durable sand filter according to claim 1, characterized in that, The lower surface of the housing (1) is fixedly connected to the support leg (9), and the side surface of the housing (1) where the through groove is located is fixedly connected to the placement rod (10) and the inclined rod (11). The other end of the inclined rod (11) is fixedly connected to the lower surface of the placement rod (10).