Non-negative pressure constant pressure water supply device

Abstract

The utility model relates to water supply device technical field, and disclose a kind of no negative pressure constant pressure water supply device, including base, the top of base is equipped with constant pressure water supply device main body, the top of base is equipped with protective seat, the top of protective seat is provided with pump unit main body, constant pressure water supply device main body is connected with pump unit main body by water pipe fixedly, the top of protective seat is provided with protective shell, the side of protective shell and protective seat is commonly provided with connecting assembly.The no negative pressure constant pressure water supply device, the setting of connecting assembly makes the connection and disassembly of protective shell and protective seat convenient and fast, it is convenient to overhaul and maintenance to the pump unit main body and other equipment inside, the friction of pressing block one side's antiskid line increases when pressing, it is convenient to operate, the cooperation of spring and clamping block can stably realize the fixation of protective shell, ensure that protective shell does not easily loosen in equipment operation process.

Description

Technical Field

[0001] This utility model relates to the field of water supply device technology, and in particular to a constant pressure water supply device without negative pressure. Background Technology

[0002] A negative pressure-free constant pressure water supply device is a device that connects directly to the municipal water supply network and achieves stable constant pressure water supply while ensuring that the network does not generate negative pressure. It is widely used in residential communities, commercial buildings, industrial production, and other fields. Its core technology lies in fully utilizing the original pressure of the municipal network through pressure control and anti-negative pressure design, reducing energy consumption, and ensuring the stability and safety of the water supply.

[0003] However, existing negative pressure constant pressure water supply devices have the following disadvantages:

[0004] (1) Traditional protective structures often use bolt fixing and other methods, which are cumbersome to disassemble and difficult to maintain and troubleshoot quickly;

[0005] (2) Existing devices have limited ability to filter impurities in water, which can easily lead to wear or blockage of core components such as water pumps and valves, shortening the equipment life.

[0006] Therefore, this utility model provides a constant pressure water supply device without negative pressure. Utility Model Content

[0007] (a) Technical problems to be solved

[0008] The problem solved by this utility model is to provide a highly practical constant pressure water supply device without negative pressure, which solves the problems mentioned in the background art, such as cumbersome disassembly, difficulty in quick maintenance and troubleshooting, and limited filtration capacity of the device for impurities in the water.

[0009] (II) Technical Solution

[0010] To achieve the above objectives, this utility model is implemented through the following technical solution: a constant pressure water supply device without negative pressure, comprising a base, a constant pressure water supply device body installed on the top of the base, a protective seat installed on the top of the base, a pump unit body installed on the top of the protective seat, the constant pressure water supply device body and the pump unit body being fixedly connected by a water pipe, a protective shell installed on the top of the protective seat, a connecting component being provided on one side of the protective shell and the protective seat, an installation seat being installed at the water inlet of the constant pressure water supply device body, and a filter component being provided on the top of the installation seat;

[0011] The connecting assembly includes a connecting block and a connecting seat that are fixedly connected to one side of the protective base and the protective shell, respectively. The connecting seat has a cavity inside. A pressing block is movably connected to the inner wall of the cavity. One side of the pressing block has anti-slip texture. A spring is connected between the other side of the pressing block and the inner wall of the cavity. A locking block is fixedly connected to the bottom of the pressing block. A locking groove that matches the locking block is opened on the top of the connecting block. The locking block is engaged with the inner wall of the locking groove.

[0012] The filter assembly includes a fixed base fixedly connected to the top of the mounting base. A connector is provided on the top of the fixed base. Positioning grooves are provided on the opposite sides of the fixed base and the connector. A positioning ring is provided on the inner side wall of the positioning groove. A filter screen is installed on the inner side wall of the positioning ring. Threaded rods are fixedly connected to both sides of the top of the fixed base. Circular holes adapted to the threaded rods are provided on both sides of the bottom of the connector. Nuts are threadedly connected to the surface of the threaded rods. The bottom of the nuts contacts the top of the connector. A sealing ring is provided on the opposite sides of the fixed base and the connector.

[0013] Optionally, the protective shell has multiple air inlets on one side and multiple air outlets on the top to ensure that the main body of the constant pressure water supply device and the main body of the pump unit always operate stably in a suitable temperature environment, thus extending the service life of the equipment.

[0014] Optionally, a fan body is installed on the inner wall of each air inlet. The fan bodies are arranged in a straight line. The fan bodies can accelerate the airflow speed and more efficiently remove the heat generated by the operation of the equipment.

[0015] Optionally, the top of the protective shell is fixedly connected to multiple hanging brackets, which are arranged in a rectangular shape. The hanging brackets greatly facilitate the handling and installation of the entire negative pressure constant pressure water supply device.

[0016] Optionally, a washer is provided at the bottom of the nut, the bottom of the washer being in contact with the top of the connector. The washer also has a certain anti-slip function, which can effectively prevent the nut from loosening due to vibration or other factors during equipment operation.

[0017] Optionally, an observation window is installed on the front of the protective shell. The observation window is made of tempered glass, allowing operators to directly observe the operating status of the internal pump unit and other equipment without opening the protective shell.

[0018] (III) Beneficial Effects

[0019] This utility model provides a negative pressure-free constant pressure water supply device, which has the following beneficial effects:

[0020] 1. The negative pressure constant pressure water supply device has a connection component that makes it easy and quick to connect and disassemble the protective shell and the protective seat, facilitating the inspection and maintenance of the internal pump unit and other equipment. The anti-slip texture on one side of the pressing block increases the friction when pressing, making it easy to operate. The cooperation between the spring and the locking block can stably fix the protective shell, ensuring that the protective shell will not easily loosen during equipment operation.

[0021] 2. This negative pressure-free constant pressure water supply device has a filter component that can effectively filter impurities in the water, protect the main body of the constant pressure water supply device and the internal components of the pump unit, reduce wear of impurities on the equipment, and extend the service life of the equipment. The positioning ring and sealing ring ensure the sealing performance of the filter component and prevent water leakage. The connection method of threaded rod and nut makes it convenient to replace and clean the filter screen. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the main structure of the pump unit of this utility model;

[0024] Figure 3 This is a cross-sectional view of the protective shell of this utility model;

[0025] Figure 4 This is a schematic diagram of the fixed base structure of this utility model.

[0026] In the diagram: 1. Base; 101. Main body of constant pressure water supply device; 102. Main body of pump unit; 103. Protective shell; 104. Mounting seat; 2. Connecting assembly; 201. Connecting block; 202. Connecting seat; 203. Pressing block; 204. Spring; 205. Locking block; 3. Filter assembly; 301. Fixing seat; 302. Connector; 303. Positioning ring; 304. Filter screen; 305. Threaded rod; 306. Nut; 307. Sealing ring; 4. Air inlet; 5. Air outlet; 6. Fan body; 7. Hanging bracket; 8. Gasket; 9. Observation window. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0028] Please see Figures 1 to 4This utility model provides a technical solution: a constant pressure water supply device without negative pressure, including a base 1, a constant pressure water supply device body 101 installed on the top of the base 1, a protective seat installed on the top of the base 1, a pump unit body 102 installed on the top of the protective seat, the constant pressure water supply device body 101 and the pump unit body 102 are fixedly connected by a water pipe, a protective shell 103 is installed on the top of the protective seat, a connecting component 2 is provided on one side of the protective shell 103 and the protective seat, an installation seat 104 is installed at the water inlet of the constant pressure water supply device body 101, and a filter component 3 is provided on the top of the installation seat 104;

[0029] The connecting assembly 2 includes a connecting block 201 and a connecting seat 202, which are respectively fixedly connected to one side of the protective base and the protective shell 103. The size and shape of the connecting block 201 and the connecting seat 202 are precisely matched, and the initial positioning of the two can be achieved through a simple docking operation. The connecting seat 202 has a cavity inside, and a pressing block 203 is movably connected to the inner wall of the cavity. One side of the pressing block 203 has anti-slip texture, and the other side of the pressing block 203 is connected to the inner wall of the cavity with a spring 204, so that the locking block 205 can be locked into the slot at the top of the connecting block 201. The bottom of the pressing block 203 is fixedly connected to the locking block 205 to prevent the protective shell 103 from being locked. If the connection block 201 is loosened due to vibration or external force, a slot adapted to the locking block 205 is opened on the top of the connecting block 201. The locking block 205 is locked into the inner side wall of the slot. The spring 204 is made of 65Mn spring steel with a wire diameter of 3mm, an outer diameter of 20mm, a free length of 50mm, a working stroke of 20mm, and an elastic coefficient of 50N / mm.

[0030] The filter assembly 3 includes a fixed base 301 fixedly connected to the top of the mounting base 104. A connector 302 is provided on the top of the fixed base 301. Positioning grooves are provided on opposite sides of both the fixed base 301 and the connector 302. Positioning rings 303 are provided on the inner walls of the positioning grooves to ensure accurate and stable installation of the filter screen 304. The filter screen 304 is installed on the inner wall of the positioning rings 303. Threaded rods 305 are fixedly connected to both sides of the top of the fixed base 301. Round holes matching the threaded rods 305 are provided on both sides of the bottom of the connector 302. Nuts 306 are threaded onto the surface of the threaded rods 305. The operator only needs to... Tightening or loosening the nut 306 with a wrench or other tools allows for the connection or separation of the connector 302 and the fixing seat 301, facilitating the maintenance and replacement of the filter assembly 3. The bottom of the nut 306 contacts the top of the connector 302. The fixing seat 301 and the connector 302 are both provided with a sealing ring 307 on opposite sides to ensure the sealing of the filter assembly 3 and ensure that the filtration effect is not affected. The filter screen 304 is made of stainless steel woven mesh with a filtration accuracy of 50μm, which can effectively intercept impurity particles with a diameter greater than 50μm. The threaded rod 305 is M10×30, and the nut 306 is a matching M10 nut.

[0031] Multiple air inlets 4 are provided on one side of the protective shell 103, and multiple air outlets 5 are provided on the top of the protective shell 103, to ensure that the main body 101 of the constant pressure water supply device and the main body 102 of the pump unit always operate stably in a suitable temperature environment, thus extending the service life of the equipment.

[0032] Each air inlet 4 has a fan body 6 installed on its inner wall. The fan bodies 6 are arranged in a straight line. The fan bodies 6 can accelerate the airflow speed and more efficiently remove the heat generated by the operation of the equipment.

[0033] The top of the protective shell 103 is fixedly connected to multiple hanging brackets 7, which are arranged in a rectangular shape. The hanging brackets 7 provide great convenience for the transportation and installation of the entire negative pressure constant pressure water supply device.

[0034] A washer 8 is provided at the bottom of the nut 306. The bottom of the washer 8 contacts the top of the connector 302. The washer 8 also has a certain anti-slip function, which can effectively prevent the nut 306 from loosening due to vibration and other factors during equipment operation.

[0035] The protective housing 103 has an observation window 9 installed on the front. The observation window 9 is made of tempered glass, so that the operator can directly observe the operation status of the internal pump unit 102 and other equipment without opening the protective housing 103.

[0036] In this invention, the working steps of the device are as follows:

[0037] First step: When it is necessary to install the protective shell 103 onto the protective base, bring the protective shell 103 close to the protective base so that the connecting block 201 is aligned with the connecting base 202. At this time, the locking block 205 moves downward under the action of the spring 204 and locks into the locking groove at the top of the connecting block 201, thereby connecting and fixing the protective shell 103 to the protective base. When it is necessary to remove the protective shell 103, press the pressing block 203 to overcome the elastic force of the spring 204, so that the locking block 205 moves upward and disengages from the locking groove, and the protective shell 103 can be removed.

[0038] The second step: When installing the filter assembly 3, install the filter screen 304 inside the positioning ring 303, and then put the positioning ring 303 into the positioning groove on the opposite side of the fixed seat 301 and the connector 302. Align the round hole at the bottom of the connector 302 with the threaded rod 305 at the top of the fixed seat 301, so that the connector 302 fits against the fixed seat 301. Then tighten the nut 306. Through the threaded connection between the nut 306 and the threaded rod 305, the connector 302 and the fixed seat 301 are fastened together. At the same time, the sealing ring 307 plays a sealing role to prevent water from leaking from the connection. When the water flows through the filter screen 304, impurities are filtered and intercepted, and clean water continues to enter the main body 101 of the constant pressure water supply device. It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.

[0039] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A constant pressure water supply device without negative pressure, comprising a base (1), characterized in that: The base (1) is equipped with a constant pressure water supply device body (101) on top, a protective seat is installed on top of the base (1), a pump unit body (102) is installed on top of the protective seat, the constant pressure water supply device body (101) and the pump unit body (102) are fixedly connected by a water pipe, a protective shell (103) is installed on top of the protective seat, a connecting component (2) is provided on one side of the protective shell (103) and the protective seat, and an installation seat (104) is installed at the water inlet of the constant pressure water supply device body (101), and a filter component (3) is installed on top of the installation seat (104). The connecting assembly (2) includes a connecting block (201) and a connecting seat (202) respectively fixedly connected to one side of the protective base and the protective shell (103). The connecting seat (202) has a cavity inside. A pressing block (203) is movably connected to the inner wall of the cavity. An anti-slip texture is provided on one side of the pressing block (203). A spring (204) is connected between the other side of the pressing block (203) and the inner wall of the cavity. A locking block (205) is fixedly connected to the bottom of the pressing block (203). A slot adapted to the locking block (205) is provided on the top of the connecting block (201). The locking block (205) is engaged with the inner wall of the slot. The filter assembly (3) includes a fixed base (301) fixedly connected to the top of the mounting base (104). A connector (302) is provided on the top of the fixed base (301). A positioning groove is provided on the opposite side of the fixed base (301) and the connector (302). A positioning ring (303) is provided on the inner side wall of the positioning groove. A filter screen (304) is installed on the inner side wall of the positioning ring (303). Threaded rods (305) are fixedly connected to both sides of the top of the fixed base (301). Round holes adapted to the threaded rods (305) are provided on both sides of the bottom of the connector (302). Nuts (306) are threadedly connected to the surface of the threaded rods (305). The bottom of the nuts (306) is in contact with the top of the connector (302). A sealing ring (307) is provided on the opposite side of the fixed base (301) and the connector (302).

2. The negative pressure-free constant pressure water supply device according to claim 1, characterized in that: The protective shell (103) has multiple air inlets (4) on one side and multiple air outlets (5) on the top of the protective shell (103).

3. The negative pressure-free constant pressure water supply device according to claim 2, characterized in that: Each of the air inlets (4) has a fan body (6) installed on its inner sidewall, and the fan bodies (6) are arranged in a straight line.

4. The negative pressure-free constant pressure water supply device according to claim 1, characterized in that: The top of the protective shell (103) is fixedly connected to multiple hanging brackets (7), which are arranged in a rectangular shape.

5. The negative pressure-free constant pressure water supply device according to claim 1, characterized in that: The bottom of the nut (306) is provided with a washer (8), and the bottom of the washer (8) is in contact with the top of the connector (302).

6. The negative pressure-free constant pressure water supply device according to claim 1, characterized in that: The protective shell (103) has an observation window (9) installed on the front, and the observation window (9) is made of tempered glass.

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