Non-negative pressure water supply device
By designing a quick-installation mechanism and a water pump unit, the problem of cumbersome filter disassembly and assembly in existing negative pressure-free water supply devices has been solved, enabling rapid filter installation and stable water pressure, thereby improving maintenance efficiency and water supply continuity.
Patent Information
- Application Number
- CN202520403664.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-10
AI Technical Summary
The existing negative pressure-free water supply system has a complicated filter installation and removal process, which affects maintenance efficiency and impacts the continuity of water supply and user convenience.
A quick-installation mechanism was designed, including a mounting bracket, a sliding bracket, and an unlocking unit. The filter can be quickly installed by manually adjusting the handle and sliding rod. Combined with a flow stabilizer and a vacuum suppressor, pressure changes are monitored in real time, and multiple water pump units are set up to ensure stable water pressure.
It enables quick filter installation, improves maintenance efficiency, ensures the continuity and reliability of water supply, and avoids water usage problems caused by water pressure issues.
Smart Images

Figure CN223723833U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building water supply and drainage technical field, concretely is a kind of no negative pressure water supply device. BACKGROUND
[0002] No negative pressure water supply device (also known as pipe network pressure water supply equipment) is a new energy-saving water supply system, by directly connecting municipal water supply pipe network, using original pipe network pressure superposition pressurization, while ensuring user water demand, intelligent equipment avoiding negative pressure to municipal pipe network.However, in the prior art no negative pressure water supply device, if it is not convenient to quickly disassemble and assemble filter during use, it can affect the efficiency of daily maintenance and repair, once filter fails or needs to replace filter element, tedious disassembly and assembly process will consume a lot of time and manpower, delay repair progress, affect the continuity of water supply, bring many inconvenience and loss to user's life or production activities.
[0003] Based on this, a no negative pressure water supply device is provided, which can eliminate the drawbacks of the existing device. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a no negative pressure water supply device to solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A no negative pressure water supply device, comprising: a mounting platform and a universal wheel, the universal wheel is fixedly arranged at the bottom of the mounting platform, a flow stabilizing tank is fixedly arranged at the top of the mounting platform, one end of the flow stabilizing tank is communicated with a water inlet main pipe through a connecting pipe, a pressurizing assembly for providing power for water supply system is fixedly arranged at the top of the mounting platform, and a quick mounting mechanism of filter equipment is fixedly arranged at the top of the flow stabilizing tank.
[0007] On the basis of the above technical scheme, the utility model also provides the following optional technical scheme:
[0008] In an optional scheme: the pressurizing assembly comprises a water pump base fixedly arranged at the top of the mounting platform, a water pump is communicated with the top of the water pump base, the left end of the water pump base is communicated with the water inlet main pipe through a connecting pipeline, a gas tank is fixedly arranged at the top of the mounting platform, and the right end of the water pump base and the gas tank are both communicated with a water outlet main pipe through a connecting pipe.
[0009] In an optional scheme: the quick mounting mechanism comprises a mounting bracket fixedly arranged at the top of the flow stabilizing tank, one end of the mounting bracket is provided with a filter, and the other end of the mounting bracket is fixedly provided with a sliding bracket.
[0010] In an optional scheme: an unlocking unit for unlocking and limiting is slidably arranged on the inner wall of the mounting bracket and the sliding bracket.
[0011] In an alternative: the unlocking unit includes a fixed bolt slidingly arranged in the inner wall of the mounting bracket and the sliding bracket, a limiting column is fixedly arranged on the periphery of the fixed bolt, a sliding rod is fixedly arranged at the right end of the fixed bolt, an adjusting handle is fixedly arranged at the right end of the sliding rod, and a return spring is fixedly arranged between the inner wall of the fixed bolt and the return spring.
[0012] In an alternative: a pipeline capable of accommodating the water pump impeller is arranged between the water pump base and the water pump.
[0013] In an alternative: the left end of the filter is in communication with the flow stabilizing tank, and the right end of the filter is in communication with the municipal pipeline.
[0014] In an alternative: the inner wall of the sliding bracket is provided with a sliding groove facilitating the sliding of the limiting column, and the end of the sliding groove is provided with a rotating groove facilitating the rotation of the limiting column.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1. The utility model discloses a quick installation device for filter, which comprises a mounting bracket, a sliding bracket, a filter, a fixed bolt, a return spring, a limiting column, a sliding rod and an adjusting handle.
[0017] 2. The utility model discloses a quick installation device for filter, which comprises a mounting bracket, a sliding bracket, a filter, a fixed bolt, a return spring, a limiting column, a sliding rod and an adjusting handle. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a structural schematic view of the utility model.
[0019] Figure 2 It is a structural schematic view of the utility model.
[0020] Figure 3 It is a structural schematic view of the utility model.
[0021] Figure 4 It is a structural schematic view of the utility model.
[0022] Figure 5 It is a structural schematic view of the utility model.
[0023] Reference signs annotation: 1, mounting platform; 2, universal wheel; 3, steady flow tank; 4, water inlet main pipe; 5, water pump base; 6, water pump; 7, air pressure tank; 8, water outlet main pipe; 9, mounting support; 10, filter; 11, sliding support; 12, fixed bolt; 13, limiting column; 14, sliding rod; 15, adjusting handle; 16, return spring. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below with reference to the drawings and examples.
[0025] In one embodiment, as shown in Figures 1-5 A non-negative pressure water supply device, comprising: a mounting platform 1, a universal wheel 2, a pressurizing assembly and a quick mounting mechanism; the universal wheel 2 is fixedly arranged at the bottom of the mounting platform 1, the top of the mounting platform 1 is fixedly provided with a steady flow tank 3, one end of the steady flow tank 3 is communicated with a water inlet main pipe 4 through a connecting pipe, the top of the mounting platform 1 is fixedly provided with a pressurizing assembly for providing power to the water supply system, and the top of the steady flow tank 3 is fixedly provided with a quick mounting mechanism for mounting a filtering device.
[0026] The steady flow tank 3 is connected with a vacuum inhibitor, by flowing filtered water into the steady flow tank 3, the steady flow tank 3 cooperates with the vacuum inhibitor to monitor the pressure change in the tank in real time. When the water consumption exceeds the supply capacity of the municipal pipe network, the water level in the tank may cause negative pressure, at this time the vacuum inhibitor is automatically opened and air is introduced to avoid the suction effect on the municipal pipe network, thereby eliminating the negative pressure. By setting the water inlet main pipe 4 to distribute water, multiple water pumps 6 can work simultaneously to improve the water supply efficiency.
[0027] In one embodiment, as shown in Figure 2 The pressurizing assembly comprises a water pump base 5 fixedly arranged at the top of the mounting platform 1, the top of the water pump base 5 is communicated with a water pump 6, the left end of the water pump base 5 is communicated with the water inlet main pipe 4 through a connecting pipe, the top of the mounting platform 1 is fixedly provided with an air pressure tank 7, and the right ends of the water pump base 5 and the air pressure tank 7 are both communicated with a water outlet main pipe 8 through connecting pipes.
[0028] By setting multiple water pumps 6 to form a water pump unit, when the water pressure of the municipal pipe network is insufficient or unstable, the water pump unit can pressurize the water flow, and the air pressure tank 7 can adjust the flow rate and pressure of the water flow, and finally the water outlet main pipe 8 can guide the water supply. The pipeline between the water pump base 5 and the water pump 6 can accommodate the impeller of the water pump 6, which facilitates the work of the water pump 6 and better transmits water.
[0029] In one embodiment, as shown in Figure 3 And Figure 4As shown, the quick mounting mechanism includes a mounting bracket 9 fixedly arranged on the top of the flow stabilizing tank 3, one end of the mounting bracket 9 is provided with a filter 10, the other end of the mounting bracket 9 is fixedly provided with a sliding bracket 11, the inner wall of the mounting bracket 9 and the sliding bracket 11 is slidably provided with an unlocking unit for unlocking, fixing and limiting, the left end of the filter 10 is in communication with the flow stabilizing tank 3, and the right end of the filter 10 is in communication with the municipal pipeline.
[0030] By arranging the filter 10, impurities such as silt, rust, algae and suspended solids in the water can be effectively intercepted, and the smoothness of the water flow can be improved. The filter 10 is provided with a hole on both sides which is adapted to the fixed bolt 12.
[0031] In one embodiment, as shown in Figure 4 and Figure 5 The unlocking unit includes a fixed bolt 12 slidably arranged in the inner wall of the mounting bracket 9 and the sliding bracket 11, a limiting column 13 fixedly arranged on the periphery of the fixed bolt 12, a sliding rod 14 fixedly arranged on the right end of the fixed bolt 12, an adjusting handle 15 fixedly arranged on the right end of the sliding rod 14, a return spring 16 fixedly arranged between the inner wall of the fixed bolt 12 and the return spring 16, and a sliding groove in the inner wall of the sliding bracket 11 for sliding the limiting column 13, and a rotating groove at the end of the sliding groove for rotating the limiting column 13.
[0032] By manually pulling the adjusting handle 15 on both sides to drive the sliding rod 14 to slide and compress the return spring 16, the fixed bolt 12 drives the sliding rod 14 to slide in the sliding groove on the sliding bracket 11. When the sliding rod 14 moves to the rotating groove at the end of the sliding groove, rotate the adjusting handle 15 so that the sliding rod 14 rotates and limits in the rotating groove. By aligning the hole on the filter 10 with the fixed bolt 12, rotating the adjusting handle 15 and resetting under the arrangement of the return spring 16, the fixed bolt 12 is inserted into the filter 10, and the filter 10 is quickly installed.
[0033] The above embodiment discloses a non-negative pressure water supply device, wherein the filtered water flows into the steady flow tank 3, the steady flow tank 3 cooperates with the vacuum inhibitor to monitor the pressure change in the tank in real time. A plurality of water pumps 6 are arranged to form a water pump unit, when the water pressure of the municipal pipe network is insufficient or unstable, the water pump unit can pressurize the water flow, and the air pressure tank 7 adjusts the flow rate and pressure of the water flow, and finally the water is discharged through the water outlet main pipe 8. By manually pulling the adjusting handle 15 on both sides to drive the sliding rod 14 to slide, at this time the fixed bolt 12 drives the sliding rod 14 to slide in the sliding groove on the sliding support 11. When the sliding rod 14 moves to the rotating groove at the end of the sliding groove, rotate the adjusting handle 15, so that the sliding rod 14 rotates and limits in the rotating groove. Finally, align the insertion hole on the filter 10 with the fixed bolt 12, rotate the adjusting handle 15 and reset under the setting of the reset spring 16, so that the fixed bolt 12 is inserted into the filter 10, and the filter 10 is quickly installed. The device can quickly install the filter 10, the installation process is quick and labor-saving, improves the maintenance efficiency, and brings convenience to the operator.
[0034] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A non-negative pressure water supply device, comprising: The installation platform (1); The top of the installation platform (1) is fixedly provided with a steady flow tank (3), one end of the steady flow tank (3) is communicated with a water inlet main pipe (4) through a connecting pipe, the top of the installation platform (1) is fixedly provided with a pressurizing assembly for providing power for the water supply system, and the top of the steady flow tank (3) is fixedly provided with a quick mounting mechanism of a filtering device.
2. The non-negative pressure water supply device according to claim 1, characterized in that, The pressurizing assembly comprises a water pump base (5) fixedly arranged on the top of the installation platform (1), a water pump (6) is communicated with the top of the water pump base (5), the left end of the water pump base (5) is communicated with the water inlet main pipe (4) through a connecting pipeline, and a gas pressure tank (7) is fixedly arranged on the top of the installation platform (1), and the right ends of the water pump base (5) and the gas pressure tank (7) are communicated with a water outlet main pipe (8) through connecting pipes.
3. The non-negative pressure water supply device according to claim 1, characterized in that, The quick mounting mechanism comprises a mounting bracket (9) fixedly arranged on the top of the steady flow tank (3), one end of the mounting bracket (9) is provided with a filter (10), and the other end of the mounting bracket (9) is fixedly provided with a sliding bracket (11).
4. The non-negative pressure water supply device according to claim 3, characterized in that, The inner walls of the mounting bracket (9) and the sliding bracket (11) are slidably provided with an unlocking unit for unlocking, fixing and limiting.
5. The non-positive water supply device according to claim 4, characterized in that The unlocking unit comprises a fixed bolt (12) slidably arranged on the inner walls of the mounting bracket (9) and the sliding bracket (11), a limiting column (13) is fixedly arranged on the periphery of the fixed bolt (12), a sliding rod (14) is fixedly arranged on the right end of the fixed bolt (12), an adjusting handle (15) is fixedly arranged on the right end of the sliding rod (14), and a return spring (16) is fixedly arranged between the inner walls of the fixed bolt (12) and the return spring (16).
6. The non-negative pressure water supply device according to claim 2, characterized in that, The water pump base (5) and the water pump (6) are provided with a pipeline capable of accommodating the impeller of the water pump (6).
7. The non-positive water supply device according to claim 3, characterized in that The left end of the filter (10) is communicated with the steady flow tank (3), and the right end of the filter (10) is communicated with a municipal pipeline.
8. The non-positive water supply device according to claim 5, characterized in that The inner wall of the sliding bracket (11) is provided with a sliding groove for facilitating sliding of the limiting column (13), and the end of the sliding groove is provided with a rotating groove for facilitating rotation of the limiting column (13).
9. The non-positive water supply device according to claim 1, characterized in that Further comprising universal wheels (2), the universal wheels (2) are fixedly arranged on the bottom of the installation platform (1).