Anti-theft safety protection device for blow-down valve

Abstract

The utility model relates to the technical field of valves, in particular to an anti-theft safety protection device of a blow-down valve, when the anti-theft safety protection device is used, a worker relieves the locking function of an anti-theft box assembly, then enables a handle assembly to extend into the anti-theft box assembly and be connected with a triangular head in an inserted mode, and then drives the triangular head to rotate through the handle assembly. The blow-down valve is further opened and closed through the valve rod, after operation is completed, the anti-theft box assembly is locked, and the anti-theft performance is improved; comprising a blow-off pipeline, a blow-off valve, a valve rod and a triangular head, the blow-off valve is installed on the blow-off pipeline, the valve rod is arranged on the blow-off valve, the triangular head is arranged at the top end of the valve rod, the anti-theft box assembly is arranged on the blow-off valve, and the handle assembly is matched with the triangular head and rotates the valve rod.

Description

Technical Field

[0001] This utility model relates to the technical field of valves, and in particular to an anti-theft safety protection device for a drain valve. Background Technology

[0002] In the prior art, patent document CN205663976U discloses a valve anti-theft device, including an anti-theft box, an anti-theft adapter, and an anti-theft key. The anti-theft box is welded to the pipeline where the valve is located and covers the valve inside it. The bottom of the anti-theft adapter is provided with a square hole that matches the square head on the top of the valve screw. The anti-theft adapter and the valve screw are connected through the cooperation of the square head and the square hole and are locked and fixed with screws. The top of the anti-theft adapter is provided with a blind hole with a prism cross-section. The anti-theft key consists of a handle and a key head with a prism cross-section that matches the blind hole. The top of the anti-theft box is provided with a keyhole for inserting the anti-theft key.

[0003] During use, it was found that the protective plug of the above-mentioned device is connected to the keyhole by threads, and unauthorized personnel can easily open the protective plug, so its security and anti-theft performance need to be further improved. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides an anti-theft security protection device for a sewage valve that improves anti-theft discharge.

[0005] This utility model discloses an anti-theft security protection device for a sewage valve, comprising a sewage pipe, a sewage valve, a valve stem, and a triangular head. The sewage valve is installed on the sewage pipe, and a valve stem is provided on the sewage valve. A triangular head is provided at the top of the valve stem. The device also includes an anti-theft box assembly and a handle assembly. The anti-theft box assembly is installed on the sewage valve, and the handle assembly is adapted to the triangular head and rotates the valve stem. In use, the operator releases the locking function of the anti-theft box assembly, then inserts the handle assembly into the anti-theft box assembly and connects it with the triangular head. The handle assembly then drives the triangular head to rotate, further opening and closing the sewage valve. After operation, the anti-theft box assembly is locked, improving anti-theft security.

[0006] Preferably, the anti-theft box assembly includes an anti-theft box, a square opening, a hinge, a sealing door, a door lock, and a shielding component. The anti-theft box is mounted on the drain valve, with the valve stem and triangular head inside the anti-theft box. A square opening is provided at the top of the anti-theft box, and the sealing door is movably installed on the top of the anti-theft box via the hinge, sealing the square opening. A door lock is installed on the sealing door, and a shielding component is provided at the top of the sealing door. In use, the valve stem and triangular head are inside the anti-theft box, and the sealing door seals the square opening with the cooperation of the hinge. Then, the door lock locks the sealing door and the anti-theft box. Unauthorized personnel cannot open the sealing door without the key, thus improving anti-theft security. The shielding component provides a detachable shielding for the door lock, preventing rainwater from entering the door lock and causing corrosion.

[0007] Preferably, the shielding assembly includes a barrier, a sealing cap, a rubber plug, and a steel wire rope. The barrier is located at the top of the sealed door, and the door lock is inside the barrier. The rubber plug is located at the bottom of the sealing cap and is inserted into the inside of the barrier. The outer wall of the rubber plug abuts against the inner wall of the barrier. A steel wire rope is provided between the sealing cap and the sealed door. In use, the rubber plug is pressed down by the sealing cap to squeeze it into the barrier, preventing rainwater from entering the door lock and causing corrosion. The steel wire rope prevents the sealing cap from being lost.

[0008] Preferably, the handle assembly includes a handle, a rotating rod, a fixing block, and a triangular groove. The top of the handle is provided with a rotating rod, the bottom of the handle is provided with a fixing block, and the bottom of the fixing block is provided with a triangular groove, which is adapted to the triangular head. The handle is inserted into the anti-theft box through the square opening and the triangular head is inserted into the triangular groove. Then, the handle is rotated by the rotating rod, thereby rotating the valve stem, which improves convenience.

[0009] Preferably, it also includes a grip sleeve, on which the lever is provided; the operator grips the lever with the grip sleeve to reduce the chance of slipping.

[0010] Preferably, it also includes a handle, with a handle provided at the top of the sealing cover; the operator can lift the sealing cover and the rubber stopper by using the handle, improving convenience.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: When in use, the staff releases the locking function of the anti-theft box assembly, then inserts the handle assembly into the anti-theft box assembly and connects it with the triangular head. Then, the handle assembly drives the triangular head to rotate, which further opens and closes the drain valve. After the operation is completed, the anti-theft box assembly is locked, thus improving the anti-theft performance. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is an enlarged structural diagram of the handle and lever, etc.

[0014] Figure 3 This is an exploded structural diagram of the present invention;

[0015] Figure 4 It is an enlarged structural diagram of a sealing door and door lock, etc.

[0016] Figure 5 This is an enlarged structural diagram of the sealing cap and rubber stopper, among other components.

[0017] The following are labels in the attached diagram: 1. Sewage pipe; 2. Sewage valve; 3. Valve stem; 4. Triangular head; 5. Anti-theft box; 6. Square opening; 7. Hinge; 8. Sealed door; 9. Door lock; 10. Enclosure; 11. Sealing cover; 12. Rubber plug; 13. Wire rope lock; 14. Handle; 15. Rotating rod; 16. Fixing block; 17. Triangular groove; 18. Handle cover; 19. Lifting handle. Detailed Implementation

[0018] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0019] Example 1

[0020] like Figure 1 and Figure 3 As shown, the present invention provides a drain valve anti-theft security protection device, including a drain pipe 1, a drain valve 2, a valve stem 3, and a triangular head 4. The drain pipe 1 is equipped with a drain valve 2, the drain valve 2 is provided with a valve stem 3, and the top of the valve stem 3 is provided with a triangular head 4. The device also includes an anti-theft box assembly and a handle assembly. The drain valve 2 is provided with an anti-theft box assembly, and the handle assembly is adapted to the triangular head 4 and rotates the valve stem 3.

[0021] like Figure 1 , Figure 3 and Figure 4 As shown, the anti-theft box assembly includes an anti-theft box 5, a square opening 6, a hinge 7, a sealing door 8, a door lock 9, and a shielding component. The anti-theft box 5 is installed on the drain valve 2. The valve stem 3 and the triangular head 4 are both inside the anti-theft box 5. The square opening 6 is provided at the top of the anti-theft box 5. The sealing door 8 is movably installed on the top of the anti-theft box 5 through the hinge 7. The sealing door 8 seals the square opening 6. The door lock 9 is installed on the sealing door 8. The shielding component is provided at the top of the sealing door 8.

[0022] like Figure 4 and Figure 5As shown, the shielding assembly includes a barrier 10, a sealing cover 11, a rubber plug 12, and a steel wire rope 13. The top of the sealing door 8 is provided with the barrier 10, and the door lock 9 is inside the barrier 10. The bottom of the sealing cover 11 is provided with the rubber plug 12, which is inserted into the inside of the barrier 10. The outer side wall of the rubber plug 12 abuts against the inner side wall of the barrier 10. A steel wire rope 13 is provided between the sealing cover 11 and the sealing door 8.

[0023] In this embodiment, during use, the rubber plug 12 is pressed down by the sealing cover 11, thereby squeezing the rubber plug 12 into the enclosure 10 to prevent rainwater from entering the door lock 9 and causing corrosion. During use, the valve stem 3 and the triangular head 4 are inside the anti-theft box 5, and the sealing door 8 seals the opening 6 with the cooperation of the hinge 7. Then, the door lock 9 locks the sealing door 8 and the anti-theft box 5. Unauthorized personnel without the switch key cannot open the sealing door 8 and contact the sealing door 8 to seal the opening 6. Then, the handle assembly drives the triangular head 4 to rotate, further causing the valve stem 3 to open and close the drain valve 2.

[0024] Example 2

[0025] like Figure 1 and Figure 3 As shown, the present invention provides a drain valve anti-theft security protection device, including a drain pipe 1, a drain valve 2, a valve stem 3, and a triangular head 4. The drain pipe 1 is equipped with a drain valve 2, the drain valve 2 is provided with a valve stem 3, and the top of the valve stem 3 is provided with a triangular head 4. The device also includes an anti-theft box assembly and a handle assembly. The drain valve 2 is provided with an anti-theft box assembly, and the handle assembly is adapted to the triangular head 4 and rotates the valve stem 3.

[0026] like Figure 1 , Figure 3 and Figure 4 As shown, the anti-theft box assembly includes an anti-theft box 5, a square opening 6, a hinge 7, a sealing door 8, a door lock 9, and a shielding component. The anti-theft box 5 is installed on the drain valve 2. The valve stem 3 and the triangular head 4 are both inside the anti-theft box 5. The square opening 6 is provided at the top of the anti-theft box 5. The sealing door 8 is movably installed on the top of the anti-theft box 5 through the hinge 7. The sealing door 8 seals the square opening 6. The door lock 9 is installed on the sealing door 8. The shielding component is provided at the top of the sealing door 8.

[0027] like Figure 4 and Figure 5 As shown, the shielding assembly includes a barrier 10, a sealing cover 11, a rubber plug 12, and a steel wire rope 13. The top of the sealing door 8 is provided with the barrier 10, and the door lock 9 is inside the barrier 10. The bottom of the sealing cover 11 is provided with the rubber plug 12, which is inserted into the inside of the barrier 10. The outer side wall of the rubber plug 12 abuts against the inner side wall of the barrier 10. A steel wire rope 13 is provided between the sealing cover 11 and the sealing door 8.

[0028] like Figure 2 As shown, the handle assembly includes a handle 14, a rotating rod 15, a fixing block 16, and a triangular groove 17. The top of the handle 14 is provided with the rotating rod 15, the bottom of the handle 14 is provided with the fixing block 16, and the bottom of the fixing block 16 is provided with the triangular groove 17, which is adapted to the triangular head 4.

[0029] In this embodiment, during use, the rubber plug 12 is pressed down by the sealing cover 11, thereby squeezing the rubber plug 12 into the enclosure 10 to prevent rainwater from entering the door lock 9 and causing corrosion. During use, the valve stem 3 and the triangular head 4 are inside the anti-theft box 5. The sealing door 8 is sealed to the square opening 6 with the cooperation of the hinge 7. Then, the door lock 9 locks the sealing door 8 and the anti-theft box 5. Unauthorized personnel cannot open the sealing door 8 without the key. After contacting the sealing door 8 to seal the square opening 6, the handle 14 is inserted into the anti-theft box 5 through the square opening 6 and the triangular head 4 is inserted into the triangular groove 17. Then, the handle 14 is rotated by the rotating rod 15, thereby rotating the valve stem 3, which further opens and closes the drain valve 2.

[0030] The drain valve 2 and valve stem 3 of this utility model's anti-theft safety protection device are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0031] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A drain valve anti-theft security protection device, comprising a drain pipe (1), a drain valve (2), a valve stem (3), and a triangular head (4), wherein the drain pipe (1) is equipped with the drain valve (2), the drain valve (2) is provided with a valve stem (3), and the top of the valve stem (3) is provided with a triangular head (4), characterized in that, It also includes an anti-theft box assembly and a handle assembly. The anti-theft box assembly is provided on the drain valve (2), and the handle assembly is adapted to the triangular head (4) and rotates the valve stem (3). The anti-theft box assembly includes an anti-theft box (5), a square opening (6), a hinge (7), a sealing door (8), a door lock (9), and a shielding component. The anti-theft box (5) is installed on the drain valve (2). The valve stem (3) and the triangular head (4) are both inside the anti-theft box (5). The square opening (6) is provided at the top of the anti-theft box (5). The sealing door (8) is movably installed on the top of the anti-theft box (5) through the hinge (7). The sealing door (8) seals the square opening (6). The door lock (9) is installed on the sealing door (8). The shielding component is provided at the top of the sealing door (8).

2. The anti-theft safety protection device for a drain valve as described in claim 1, characterized in that, The shielding assembly includes a barrier (10), a sealing cover (11), a rubber plug (12), and a steel wire rope (13). The top of the sealing door (8) is provided with the barrier (10), and the door lock (9) is inside the barrier (10). The bottom of the sealing cover (11) is provided with a rubber plug (12), which is inserted into the inside of the barrier (10). The outer side of the rubber plug (12) is in contact with the inner side of the barrier (10). A steel wire rope (13) is provided between the sealing cover (11) and the sealing door (8).

3. The anti-theft safety protection device for a drain valve as described in claim 1, characterized in that, The handle assembly includes a handle (14), a rotating rod (15), a fixing block (16), and a triangular groove (17). The top of the handle (14) is provided with a rotating rod (15), the bottom of the handle (14) is provided with a fixing block (16), and the bottom of the fixing block (16) is provided with a triangular groove (17). The triangular groove (17) is adapted to the triangular head (4).

4. The anti-theft safety protection device for a drain valve as described in claim 3, characterized in that, It also includes a handlebar sleeve (18), which is provided on the rotating rod (15).

5. The anti-theft safety protection device for a drain valve as described in claim 2, characterized in that, It also includes a handle (19), which is provided at the top of the sealing cover (11).

Images