Drainage device for clean water pool

Abstract

The utility model discloses a sewer device for clean pool, including water collection mouth and U-shaped semicircle bend, the lower end of water collection mouth is provided with first quick coupler, the both ends of U-shaped semicircle bend are respectively provided with second quick coupler and third quick coupler, first quick coupler and second quick coupler snap joint, second quick coupler and third quick coupler snap joint snap joint, and the U-shaped semicircle bend is provided with second quick coupler and third quick coupler snap joint snap joint. The third quick coupler is connected with a fourth quick coupler in a clamped mode, the fourth quick coupler is arranged at one end of a U-shaped right-angle bent pipe, and one end of the U-shaped right-angle bent pipe perpendicularly penetrates through a cover body of the hemispherical sealing cover and then is connected into a drainage system connecting pipeline embedded in the clean workshop in an inserted mode. And the joint of the first quick coupler and the second quick coupler and the joint of the third quick coupler and the fourth quick coupler are clamped and fixed through single-shaft block-shaped hoops. According to the invention, the problems that the existing S-bent drain pipe of the clean water tank is easy to hide dirt and is easy to age, so that the corrosion resistance is weakened; and the sealing effect is poor, so that liquid leakage and indoor clean environment pollution are easily caused.

Description

Technical Field

[0001] This utility model relates to cleanroom accessories, and in particular to a drainage device for clean water tanks. Background Technology

[0002] Cleanrooms are work areas with extremely high and stringent production environment requirements. The design and maintenance of cleanroom water tanks directly affect the cleanliness and hygiene level of the workshop's production environment. Therefore, in areas where cleanroom water tanks must be installed, the tank materials must be high-strength, corrosion-resistant, and have smooth, clean inner and outer surfaces for easy cleaning. Simultaneously, the design of the cleanroom water tank drainage pipes must consider corrosion resistance, oxidation resistance, and ease of cleaning, and incorporate water traps to provide functions such as odor prevention and overflow prevention, using water seals to prevent backflow of air from the drainage system and contamination of the clean indoor environment.

[0003] S-shaped traps are commonly used in drainage pipes. Water tank drainage pipes often employ S-shaped corrugated drain pipes or S-shaped threaded stainless steel drain pipes. However, the corrugated surface of S-shaped corrugated drain pipes is prone to contaminant residue, and the plastic corrugated pipes are easily deformed at high temperatures. With prolonged use, material aging weakens their corrosion resistance. S-shaped threaded stainless steel drain pipes also easily accumulate dirt and grime at the threaded connection, resulting in poor sealing and potential leakage from prolonged contact with acidic or alkaline solutions. Furthermore, both types of S-shaped drain pipes are inconvenient for disassembly and cleaning, and their lower ends connect directly to the cleanroom drainage system, resulting in poor sealing and unsanitary corners at the connection points. Therefore, neither type is suitable for long-term use in clean water tank drainage systems.

[0004] The utility model patent with authorization announcement number CN207919671U proposes an underwater installation structure for cleanrooms that uses an S-bend clamp to connect the drain pipe. However, a clean silicone hose is used to connect the S-bend pipe and the drainage system pipe. Although the hose connection facilitates the adjustment of the installation position, the tolerance is limited, and there is a risk of contamination at the connection between the hose and the pipe. In addition, the service life and performance of the hose are also affected by the application environment. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a drainage device for clean water tanks, which solves the problems of existing S-bend drainage pipes for clean water tanks being prone to accumulating dirt and grime, aging leading to weakened corrosion resistance, poor sealing effect causing liquid leakage and pollution of the indoor clean environment.

[0006] To solve the above-mentioned technical problems, this utility model provides: a drainage device for a clean water tank, including a water inlet, a U-shaped semi-circular bend, a U-shaped right-angle bend, and a hemispherical sealing cover. The water inlet is spirally connected to the drain outlet of the clean water tank and sealed with a sealing ring. A first quick-connect connector is provided at the lower end of the water inlet. A second quick-connect connector and a third quick-connect connector are respectively provided at both ends of the U-shaped semi-circular bend. The first quick-connect connector is snapped into the second quick-connect connector, and the third quick-connect connector is snapped into the fourth quick-connect connector. The fourth quick-connect connector is located at one end of the U-shaped right-angle bend. One end of the U-shaped right-angle bend passes vertically through the cover of the hemispherical sealing cover and is inserted into the drainage system connection pipe pre-embedded in the clean workshop. The connection between the first quick-connect connector and the second quick-connect connector, as well as the connection between the third quick-connect connector and the fourth quick-connect connector, are all fixed by single-axis block clamps.

[0007] Preferably, the U-shaped semi-circular bend and the U-shaped right-angle bend have the same diameter, forming the main drain pipe body of the S-shaped drain pipe, and the relative connection position of the two is not limited and can be adjusted according to installation requirements.

[0008] Preferably, the semicircular bend of the U-shaped semicircular bend forms a water trap, and the water seal height of the water trap is greater than 5 cm.

[0009] Preferably, both the first quick-connect connector and the fourth quick-connect connector have a snap-fit ​​ring at one end, and one end of the snap-fit ​​ring is snapped into an annular groove. The annular groove is located on one side surface of the second quick-connect connector and the fourth quick-connect connector, which can snap the first quick-connect connector into the second quick-connect connector and the third quick-connect connector into the fourth quick-connect connector.

[0010] Preferably, the single-axis block clamp includes a first clamp and a second clamp. One end of the first clamp is provided with a slot, and a connecting block is rotatably provided in the slot. The second clamp is provided on one side of the connecting block. The other side of the first clamp is provided with a first locking part, and the other side of the second clamp is provided with a second locking part. The first locking part and the second locking part are locked and fixed by a locking structure.

[0011] Preferably, the locking structure includes a first mounting port and a second mounting port. The first mounting port is disposed on the first locking part, and the second mounting port is disposed on the second locking part. A screw is disposed in the first mounting port and the second mounting port, and a locking nut is disposed at one end of the screw to lock the first clamp and the second clamp.

[0012] Preferably, a positioning block is also provided on one side of the outer surface of the screw. One end of the positioning block is engaged in the positioning slot. The positioning slot is provided on both sides of the first mounting opening, which can engage the screw with the first locking part.

[0013] Preferably, a knob is provided on one side of the locking nut to facilitate control of the rotation direction of the locking nut.

[0014] Preferably, the right-angle bend of the U-shaped right-angle bend is higher than the straight section of the U-shaped semi-circular bend.

[0015] Preferably, the water inlet, the U-shaped semi-circular bend, the U-shaped right-angle bend, the first quick-connect connector, the second quick-connect connector, the third quick-connect connector, the fourth quick-connect connector, and the hemispherical sealing cover are all made of sanitary stainless steel.

[0016] The beneficial effects of this utility model are:

[0017] This application utilizes sanitary-grade stainless steel throughout, resulting in a smooth surface that prevents dirt accumulation, and offering resistance to acids, alkalis, and corrosion. It employs quick-connect fittings and clamps for easy installation, disassembly, cleaning, maintenance, and replacement, while maintaining a strong seal. A hemispherical sealing cover provides a secondary seal at the pipe connection, reducing the probability of contaminating the cleanroom's indoor air. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this application;

[0019] Figure 2 This is a schematic diagram of the connection structure of the first quick-connect connector, the second quick-connect connector, the third quick-connect structure, and the fourth quick-connect connector in this application.

[0020] Figure 3 This is a schematic diagram of the split structure of the first quick-connect connector and the second quick-connect connector;

[0021] Figure 4 This is a first-view structural schematic diagram of the uniaxial block clamp in this application;

[0022] Figure 5 This is a second-view structural schematic diagram of the uniaxial block clamp in this application;

[0023] Figure 6 for Figure 5 A partially enlarged structural diagram of section A in the middle;

[0024] In the diagram: 1. Water inlet, 2. U-shaped semi-circular bend, 3. U-shaped right-angle bend, 4. Hemispherical sealing cover, 5. First quick-connect fitting, 6. Second quick-connect fitting, 7. Third quick-connect fitting, 8. Fourth quick-connect fitting, 9. Single-axis block clamp, 51. Clamping ring, 61. Annular groove, 901. First clamp, 902. Clamping opening, 903. Connecting block, 904. Rotating shaft, 905. Second clamp, 906. Knob, 907. Locking nut, 908. First locking part, 909. Second locking part, 910. Screw, 911. Positioning groove, 912. First mounting port, 913. Positioning block, 914. Second mounting port. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. All directional indicators (such as up, down, left, right, front, back, etc.) in the present utility model are only used to explain the relative positional relationship and movement of each component in a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indicator will also change accordingly.

[0026] Please see Figure 1 as well as Figure 2 A drainage device for a clean water tank includes a water inlet 1, a U-shaped semi-circular bend 2, a U-shaped right-angle bend 3, a hemispherical sealing cover 4, a first quick-connect connector 5, a second quick-connect connector 6, a third quick-connect connector 7, a fourth quick-connect connector 8, and a single-axis block clamp 9.

[0027] The water inlet 1 is spirally connected to the drain outlet of the clean water tank and sealed with a sealing ring. A first quick-connect fitting 5 is welded to the lower end of the water inlet 1. A second quick-connect fitting 6 and a third quick-connect fitting 7 are welded to both ends of the U-shaped semi-circular bend 2, respectively. The first quick-connect fitting 5 and the second quick-connect fitting 6 are snapped together, and the third quick-connect fitting 7 and the fourth quick-connect fitting 8 are snapped together. The fourth quick-connect fitting 8 is welded to one end of the U-shaped right-angle bend 3. One end of the U-shaped right-angle bend 3 passes vertically through the cover of the hemispherical sealing cover 4 and is then inserted into the pre-embedded drainage system connection pipe in the cleanroom. Specifically… The hemispherical sealing cover 4 is placed over the inlet of the drainage system connection pipe pre-buried in the ground. The connection between the hemispherical sealing cover 4 and the ground is sealed with sealant. The joints between the first quick-connect connector 5 and the second quick-connect connector 6, as well as the joints between the third quick-connect connector 7 and the fourth quick-connect connector 8, are all fixed by single-axis block clamps 9. The water inlet 1, the U-shaped semi-circular bend 2, the U-shaped right-angle bend 3, the first quick-connect connector 5, the second quick-connect connector 6, the third quick-connect connector 7, the fourth quick-connect connector 8, and the hemispherical sealing cover 4 are all made of sanitary stainless steel.

[0028] First, connect the water inlet 1 to the drain outlet of the clean water tank using a spiral connection. Then, connect the first quick-connect connector 5 and the second quick-connect connector 6 on the water inlet 1. Secure the connection between the first quick-connect connector 5 and the second quick-connect connector 6 using a single-axis clamp. Connect the U-shaped semi-circular bend 2 to the water inlet 1. Then, secure the third quick-connect connector 7 and the fourth quick-connect connector 8. Connect the U-shaped semi-circular bend 2 and the U-shaped right-angle bend 3. Secure the connection between the third quick-connect connector 7 and the second and fourth quick-connect connectors using a single-axis clamp. Place the hemispherical sealing cover 4 over the inlet of the pre-buried drainage system connection pipe on the ground. Seal the joint between the cover and the ground with sealant. This application is made entirely of sanitary stainless steel. The pipe surface is smooth and does not harbor dirt. It is resistant to acids and alkalis and corrosion. It uses quick-connect connectors and clamps for secure installation and disassembly, facilitating later cleaning, maintenance, and replacement. It has strong sealing performance. The hemispherical sealing cover provides secondary sealing for four pairs of pipe connections, reducing the probability of contaminating the indoor air of the cleanroom.

[0029] Furthermore, the U-shaped semi-circular bend 2 and the U-shaped right-angle bend 3 have the same diameter and form the main drain pipe body of the S-shaped drainage pipe. The relative connection position of the two is not limited and can be adjusted according to installation requirements.

[0030] Furthermore, the semi-circular bend of the U-shaped semi-circular bend 2 forms a water trap, and the water seal height of the water trap is greater than 5 cm.

[0031] Furthermore, the connection end of the U-shaped right-angle bend 3 to the drainage system can be cut as needed according to the actual application height.

[0032] Furthermore, the right-angle bend of the U-shaped right-angle bend 3 is higher than the straight pipe height of the U-shaped semi-circular bend 2, so as to ensure smooth drainage and prevent water accumulation.

[0033] Please see Figure 3 Both the first quick-connect connector 5 and the fourth quick-connect connector 8 have a snap-fit ​​ring 51 at one end. One end of the snap-fit ​​ring 51 snaps into the annular groove 61. The annular groove 61 is located on one side surface of the second quick-connect connector 6 and the fourth quick-connect connector 8, and can snap the first quick-connect connector 5 into the second quick-connect connector 6 and the third quick-connect connector 7 into the fourth quick-connect connector 8. The snap-fit ​​block on the first quick-connect connector 5 is snapped into the annular groove 61 to complete the assembly of the first quick-connect connector 5 and the second quick-connect connector 6. Similarly, the snap-fit ​​ring 51 on the third quick-connect connector 7 is snapped into the annular groove 61 on the fourth quick-connect connector 8 to connect the third quick-connect connector 7 and the fourth quick-connect connector 8.

[0034] A silicone sealing ring is installed inside the annular groove 61 to improve the sealing performance during connection.

[0035] Please see Figures 4-6The single-axis block clamp 9 includes a first clamp 901 and a second clamp 905. One end of the first clamp 901 is provided with a slot 902. A connecting block 903 is rotatably arranged in the slot 902 through a rotating shaft 904. The second clamp 905 is arranged on one side of the connecting block 903. A first locking part 908 is provided on the other side of the first clamp 901, and a second locking part 909 is provided on the other side of the second clamp 905. The first locking part 908 and the second locking part 909 are locked and fixed by a locking structure.

[0036] The locking structure includes a first mounting port 912 and a second mounting port 914. The first mounting port 912 is located on the first locking part 908, and the second mounting port 914 is located on the second locking part 909. A screw 910 is installed in the first mounting port 912 and the second mounting port 914. A locking nut 907 is installed at one end of the screw 910, which can lock the first clamp 901 and the second clamp 905. A positioning block 913 is also provided on one side of the outer surface of the screw 910. One end of the positioning block 913 is engaged in the positioning groove 911. The positioning groove 911 is located on both sides of the first mounting port 912, which can engage the screw 910 and the first locking part 908. A knob 906 is provided on one side of the locking nut 907 to facilitate control of the rotation direction of the locking nut 907.

[0037] When installing the single-axis block clamp 9, place the first clamp 901 and the second clamp 905 at the connection between the first quick-connect connector 5 and the second quick-connect connector 6, then insert the positioning block 913 of the screw 910 into the positioning slot 911, pass the other end of the screw 910 through the second mounting port 914, and then connect the locking nut 907 to the end of the screw 910. Rotate the locking nut 907 by the knob 906. After the locking nut 907 contacts the second locking part 909, as the locking nut 907 moves, it drives the second clamp 905 to rotate in the slot 902 through the connecting block 903. When the first clamp 901 and the second clamp 905 are tightly fitted, stop rotating the knob 906.

[0038] 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 drain for a clean water tank, characterized in that: The utility model relates to a clean room water collecting device, including water collecting mouth (1), U-shaped semicircle elbow pipe (2), U-shaped right angle elbow pipe (3) and hemispherical seal cover (4), water collecting mouth (1) is connected with clean water pool lower water outlet spiral and is sealed with sealing ring, first quick -mounting joint (5) is set to water collecting mouth (1) lower extreme, second quick -mounting joint (6) and third quick -mounting joint (7) are set respectively to both ends of U-shaped semicircle elbow pipe (2), first quick -mounting joint (5) is connected with second quick -mounting joint (6), third quick -mounting joint (7) is connected with fourth quick -mounting joint (8), fourth quick -mounting joint (8) is set in one end of U-shaped right angle elbow pipe (3), one end of U-shaped right angle elbow pipe (3) passes through the cover body of hemispherical seal cover (4) vertically and then inserts into the drainage system connecting pipeline of clean workshop pre -buried, and the junction of first quick -mounting joint (5) and second quick -mounting joint (6) and the junction of third quick -mounting joint (7) and fourth quick -mounting joint (8) are all fixed through single -shaft massive clamp (9) joint.

2. A device according to claim 1, characterised in that: The U-shaped semicircle elbow pipe (2) and the U-shaped right angle elbow pipe (3) have the same pipe diameter, and the relative connection positions of the two are not limited and can be adjusted according to the installation requirements.

3. A device according to claim 1, characterized in that: The semicircle elbow pipe part of the U-shaped semicircle elbow pipe (2) forms a water trap, and the water seal height of the water trap is greater than 5 cm.

4. A drain for a clean water tank according to claim 1, characterized in that: The first quick-mounting joint (5) and the fourth quick-mounting joint (8) are provided with a clamping ring (51) at one end, the clamping ring (51) is clamped in the annular clamping groove (61), and the annular clamping groove (61) is arranged on one side surface of the second quick-mounting joint (6) and the fourth quick-mounting joint (8).

5. A device according to claim 1, characterized in that: The single-shaft massive clamp (9) comprises a first clamp (901) and a second clamp (905), one end of the first clamp (901) is provided with a clamping opening (902), the clamping opening (902) is rotatably provided with a connecting block (903), the second clamp (905) is arranged on one side of the connecting block (903), the other side of the first clamp (901) is provided with a first locking portion (908), the other side of the second clamp (905) is provided with a second locking portion (909), and the first locking portion (908) and the second locking portion (909) are locked and fixed through a lock structure.

6. A device according to claim 5, wherein: The lock structure comprises a first mounting opening (912) and a second mounting opening (914), the first mounting opening (912) is arranged on the first locking portion (908), the second mounting opening (914) is arranged on the second locking portion (909), a screw rod (910) is arranged in the first mounting opening (912) and the second mounting opening (914), and one end of the screw rod (910) is provided with a locking nut (907).

7. A device according to claim 6, characterised in that: A positioning clamping block (913) is further arranged on one side of the outer surface of the screw rod (910), one end of the positioning clamping block (913) is clamped in a positioning clamping groove (911), and the positioning clamping groove (911) is arranged on both sides in the first mounting opening (912).

8. A drain for a clean water tank according to claim 6, wherein: A knob (906) is arranged on one side of the locking nut (907).

9. A device according to claim 1, wherein: The right angle bend part of the U-shaped right angle elbow pipe (3) is higher than the straight pipe height of the U-shaped semicircle elbow pipe (2).

10. A device according to claim 1, characterized in that: The water collecting port (1), the U-shaped semicircular elbow pipe (2), the U-shaped right-angle elbow pipe (3), the first quick connector (5), the second quick connector (6), the third quick connector (7), the fourth quick connector (8) and the hemispherical sealing cover (4) are all made of sanitary-grade stainless steel.

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