Quick switch of drain valve

Abstract

The utility model discloses a quick switch of a drain valve, and relates to the technical field of valves. The quick switch of the drain valve comprises a drain valve body, and a valve element is rotationally arranged in the drain valve body; and the driving assembly is used for driving the valve element to rotate, the driving assembly comprises a connecting pipe embedded in the outer surface of the drain valve body and a mounting box fixedly arranged at the top of the connecting pipe, and a rotating rod is fixedly arranged on the surface of the valve element. By arranging the driving assembly, when the drain valve body needs to be started, the driving motor can be started, the driving motor rotates to drive the connecting shaft to rotate, the connecting shaft rotates to drive the driving fluted disc to rotate, the driving fluted disc rotates to drive the driven fluted disc to rotate, the driven fluted disc rotates to drive the rotating rod to rotate, and the rotating rod rotates to drive the valve element to rotate; the purpose of liquid drainage is achieved, and the defect that in the prior art, a valve cannot be automatically opened or closed is effectively overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a quick switch of a liquid discharge valve. Background Art

[0002] According to different working principles, drain valves can be divided into many types, among which the most common ones are ball plug valves, check valves, butterfly valves and electric drain valves. In the existing patent, a switch valve, patent publication number CN115628299A, includes a valve body, a spherical valve chamber is arranged in the valve body, a spherical valve core is installed in the spherical valve chamber, a first liquid inlet hole, a first liquid discharge hole and a valve stem are arranged on the valve body, the first liquid inlet hole and the first liquid discharge hole are both communicated with the valve chamber, the valve stem is connected with the spherical valve core, the spherical valve core includes an outer valve core and an inner valve core, the valve stem passes through the outer valve core and is connected with the inner valve core; a second liquid inlet hole and a second liquid discharge hole are arranged on the outer valve core, a third liquid inlet hole and a third liquid discharge hole are arranged on the inner valve core, and the third liquid inlet hole and the third liquid discharge hole are communicated; a slide groove is arranged on the inner side of the outer valve core, and a slider matched with the slide groove is arranged on the inner valve core; when the slider is at one end position of the slide groove, the second liquid inlet hole is coaxial with the third liquid inlet hole, and the second liquid discharge hole is coaxial with the third liquid discharge hole; when the slider is at the other end position of the slide groove, the second liquid inlet hole is misaligned with the third liquid inlet hole, and the second liquid discharge hole is misaligned with the third liquid discharge hole. The invention prolongs the service life of the switch valve.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: in the actual process of opening or closing the valve, it is necessary to manually turn the handle to realize the opening and closing of the valve, which is a cumbersome operation. Often when drainage is required, personnel need to reach the valve position from a distant control room before opening or closing it, which causes a certain delay in the drainage time. That is, the technical solution proposed by the above-mentioned patent technology has the defect that it cannot automatically open or close the valve.

[0004] Therefore, we propose a quick switch of the drain valve to solve the above problems. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a quick switch for a liquid discharge valve, which solves the defect in the prior art that the valve cannot be automatically opened or closed.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a fast switch of a drain valve, comprising:

[0007] A drain valve body, wherein a valve core is rotatably arranged inside the drain valve body;

[0008] A driving assembly, which is used to drive the valve core to rotate, the driving assembly includes a connecting pipe embedded in the outer surface of the drain valve body, and a mounting box fixedly mounted on the top of the connecting pipe, a rotating rod is fixedly mounted on the surface of the valve core, the top end of the rotating rod passes through the connecting pipe and is rotatably connected to the inner top wall of the mounting box, and the rotating rod is rotatably connected to the inner wall of the connecting pipe, the driving assembly also includes a driving motor fixedly mounted on the inner top wall of the mounting box for driving the rotating rod to rotate, and a connecting shaft is fixedly mounted on the output end of the driving motor;

[0009] A limit assembly, which is used to limit the rotation angle of the valve core;

[0010] The brake assembly is used to brake the valve core after the valve core rotates.

[0011] Preferably, a driving gear disc is fixedly provided on the outer surface of the connecting shaft, and a driven gear disc meshing with the driving gear disc is fixedly provided on the outer surface of the rotating rod.

[0012] Preferably, the installation box is barrel-shaped, and a through hole communicating with the connecting pipe is provided on the inner bottom wall of the installation box.

[0013] Preferably, a conical sealing ring corresponding to the through hole is fixedly provided on the inner bottom wall of the installation box, the inner ring surface of the conical sealing ring is rotatably connected to the outer surface of the rotating rod, and the material of the conical sealing ring is elastic rubber.

[0014] Preferably, the limiting assembly includes a limiting rod fixedly mounted on the outer surface of the connecting shaft, and the limiting assembly also includes two fixing blocks fixedly mounted on the inner bottom wall of the installation box.

[0015] Preferably, contact switches are fixedly disposed on opposite surfaces of the two fixing blocks, and the two contact switches are electrically connected to the driving motor via wires.

[0016] Preferably, the brake assembly includes a hydraulic rod fixed to the side of the installation box, and an arc-shaped rack fixed to the telescopic end of the hydraulic rod, and the outer surface of the rotating rod is fixed with a brake sprocket disc that meshes with the arc-shaped rack.

[0017] Beneficial Effects

[0018] The utility model provides a quick switch for a liquid discharge valve. Compared with the prior art, it has the following beneficial effects:

[0019] The quick switch of the drain valve is provided with a driving component. When the drain valve body needs to be started, the driving motor can be started. The rotation of the driving motor drives the connecting shaft to rotate. The rotation of the connecting shaft drives the active gear plate to rotate. The rotation of the active gear plate drives the driven gear plate to rotate. The rotation of the driven gear plate drives the rotating rod to rotate. The rotation of the rotating rod drives the valve core to rotate, thereby achieving the purpose of draining liquid, thereby effectively solving the defect of the prior art that the valve cannot be automatically opened or closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the interior of the installation box of the utility model from the first perspective;

[0023] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0024] Figure 5 This is a schematic diagram of the structure of the interior of the installation box of the utility model from a second viewing angle.

[0025] In the figure:

[0026] 100, drain valve body; 101, valve core;

[0027] 200, driving assembly; 201, connecting pipe; 202, mounting box; 203, rotating rod; 204, driving motor; 205, connecting shaft; 206, driving gear disc; 207, driven gear disc; 208, conical sealing ring;

[0028] 300, limit assembly; 301, limit rod; 302, fixed block; 303, contact switch;

[0029] 400, brake assembly; 401, hydraulic rod; 402, arc-shaped rack; 403, brake sprocket. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-5 The utility model provides a technical solution: a quick switch of a liquid discharge valve, comprising:

[0032] A drain valve body 100, wherein a valve core 101 is rotatably disposed inside the drain valve body 100;

[0033] A driving assembly 200, which is used to drive the valve core 101 to rotate, the driving assembly 200 includes a connecting pipe 201 embedded in the outer surface of the drain valve body 100, and a mounting box 202 fixedly mounted on the top of the connecting pipe 201, a rotating rod 203 is fixedly mounted on the surface of the valve core 101, the top end of the rotating rod 203 penetrates the connecting pipe 201 and is rotatably connected to the inner top wall of the mounting box 202, and the rotating rod 203 is rotatably connected to the inner wall of the connecting pipe 201, the driving assembly 200 also includes a driving motor 204 fixedly mounted on the inner top wall of the mounting box 202 for driving the rotating rod 203 to rotate, and a connecting shaft 205 is fixedly mounted on the output end of the driving motor 204;

[0034] A limit assembly 300, which is used to limit the rotation angle of the valve core 101;

[0035] The brake assembly 400 is used to brake the valve core 101 after the valve core 101 rotates.

[0036] Among them, the utility model, by setting a drive component 200, can start the drive motor 204 when it is necessary to start the drain valve body 100, the rotation of the drive motor 204 drives the connecting shaft 205 to rotate, the rotation of the connecting shaft 205 drives the active gear plate 206 to rotate, the rotation of the active gear plate 206 drives the driven gear plate 207 to rotate, the rotation of the driven gear plate 207 drives the rotating rod 203 to rotate, the rotation of the rotating rod 203 drives the valve core 101 to rotate, so as to achieve the purpose of draining, thereby effectively solving the defect that the valve cannot be automatically opened or closed in the prior art.

[0037] See also Figure 2 , Figure 3 A driving gear disc 206 is fixedly disposed on the outer surface of the connecting shaft 205, and a driven gear disc 207 meshing with the driving gear disc 206 is fixedly disposed on the outer surface of the rotating rod 203. When the driving motor 204 rotates to drive the connecting shaft 205 to rotate, the rotating rod 203 can be smoothly driven to decelerate and rotate under the action of the driving gear disc 206 and the driven gear disc 207.

[0038] See also Figure 2 The installation box 202 is barrel-shaped, and the inner bottom wall of the installation box 202 is provided with a through hole connected to the connecting pipe 201, wherein two symmetrical support columns are fixedly provided on the lower surface of the installation box 202, and the bottom ends of the two support columns are fixedly connected to the outer surface of the drain valve body 100.

[0039] See also Figure 2 , Figure 3A conical sealing ring 208 corresponding to the through hole is fixedly provided on the inner bottom wall of the installation box 202. The inner ring surface of the conical sealing ring 208 is rotatably connected to the outer surface of the rotating rod 203. The conical sealing ring 208 is made of elastic rubber, which can prevent the fluid inside the drain valve body 100 from entering the interior of the installation box 202 under the action of the conical sealing ring 208.

[0040] See also Figure 3 , Figure 4 The limit assembly 300 includes a limit rod 301 fixed on the outer surface of the connecting shaft 205, and the limit assembly 300 also includes two fixed blocks 302 fixed on the inner bottom wall of the installation box 202, wherein the limit rod 301 can limit the rotation angle of the limit rod 301 during the process of following the rotation of the connecting shaft 205, thereby limiting the rotation angle of the valve core 101.

[0041] See also Figure 3 , Figure 4 Contact switches 303 are fixedly arranged on opposite surfaces of the two fixed blocks 302, and the two contact switches 303 are electrically connected to the drive motor 204 through wires. The drive motor 204 can be controlled to be turned off through the contact switch 303 to avoid the drive motor 204 from being overloaded and burned out.

[0042] See also Figure 3 , Figure 5 The brake assembly 400 includes a hydraulic rod 401 fixed on the side of the installation box 202, and an arc-shaped rack 402 fixed on the telescopic end of the hydraulic rod 401. The outer surface of the rotating rod 203 is fixed with a brake gear disc 403 that meshes with the arc-shaped rack 402, which can effectively brake the valve core 101 after the valve core 101 rotates.

[0043] During operation, when the drain valve body 100 needs to be started, the drive motor 204 can be started, and the rotation of the drive motor 204 drives the connecting shaft 205 to rotate, and the rotation of the connecting shaft 205 drives the active gear plate 206 to rotate, and the rotation of the active gear plate 206 drives the driven gear plate 207 to rotate, and the rotation of the driven gear plate 207 drives the rotating rod 203 to rotate, and the rotation of the rotating rod 203 drives the valve core 101 to rotate, so as to achieve the purpose of draining liquid, thereby effectively solving the defect of the prior art that the valve cannot be automatically opened or closed; at the same time, by setting the limit assembly 300, when the connecting shaft 205 rotates, it can drive the limit rod 301 to rotate. When the valve core 101 rotates to a specified angle, the limit rod 301 can contact a contact switch 303 on a fixed block 302, and the contact switch 303 automatically controls the drive motor 204 to turn off, thereby achieving the purpose of automatically turning off the drive motor 204. At the same time, by setting the brake assembly 400, when the valve core 101 rotates to complete the discharge, the hydraulic rod 401 can be started to extend. The extension of the hydraulic rod 401 drives the arc-shaped rack 402 to approach the rotating rod 203 and engage with the brake toothed disc 403 on the rotating rod 203, thereby achieving effective braking of the rotating rod 203, thereby effectively ensuring the stability of the valve core 101 when the discharge valve is discharging liquid.

[0044] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A quick switch of a liquid discharge valve, characterized in that: include, A liquid discharge valve body (100), wherein a valve core (101) is rotatably arranged inside the liquid discharge valve body (100); A driving assembly (200) for driving the valve core (101) to rotate, the driving assembly (200) comprising a connecting pipe (201) embedded in the outer surface of the drain valve body (100), and a mounting box (202) fixedly mounted on the top of the connecting pipe (201), a rotating rod (203) fixedly mounted on the surface of the valve core (101), the top end of the rotating rod (203) passing through the connecting pipe (201) and being rotatably connected to the inner top wall of the mounting box (202), and the rotating rod (203) being rotatably connected to the inner wall of the connecting pipe (201), the driving assembly (200) further comprising a driving motor (204) fixedly mounted on the inner top wall of the mounting box (202) for driving the rotating rod (203) to rotate, and a connecting shaft (205) fixedly mounted on the output end of the driving motor (204); A limiting assembly (300) for limiting the rotation angle of the valve core (101); The brake assembly (400) is used to brake the valve core (101) after the valve core (101) rotates.

2. The rapid switch of the liquid discharge valve according to claim 1, characterized in that: A driving toothed disc (206) is fixedly provided on the outer surface of the connecting shaft (205), and a driven toothed disc (207) meshing with the driving toothed disc (206) is fixedly provided on the outer surface of the rotating rod (203).

3. The rapid switch of the liquid discharge valve according to claim 1, characterized in that: The installation box (202) is in the shape of a barrel, and a through hole communicating with the connecting pipe (201) is provided on the inner bottom wall of the installation box (202).

4. The rapid switch of the liquid discharge valve according to claim 3, characterized in that: A conical sealing ring (208) corresponding to the through hole is fixedly arranged on the inner bottom wall of the installation box (202); the inner ring surface of the conical sealing ring (208) is rotatably connected to the outer surface of the rotating rod (203); and the material of the conical sealing ring (208) is elastic rubber.

5. The rapid switch of the liquid discharge valve according to claim 1, characterized in that: The limiting assembly (300) comprises a limiting rod (301) fixedly mounted on the outer surface of the connecting shaft (205), and the limiting assembly (300) further comprises two fixing blocks (302) fixedly mounted on the inner bottom wall of the installation box (202).

6. The rapid switch of the liquid discharge valve according to claim 5, characterized in that: Contact switches (303) are fixedly disposed on opposite surfaces of the two fixed blocks (302), and the two contact switches (303) are electrically connected to the drive motor (204) via wires.

7. The rapid switch of the liquid discharge valve according to claim 1, characterized in that: The brake assembly (400) comprises a hydraulic rod (401) fixedly mounted on the side of the mounting box (202), and an arc-shaped rack (402) fixedly mounted on the telescopic end of the hydraulic rod (401); and a brake sprocket (403) meshing with the arc-shaped rack (402) is fixedly mounted on the outer surface of the rotating rod (203).

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