Drainage structure of drain valve

Abstract

The utility model relates to the technical field of water valves, in particular to a drain valve blowdown structure, which is characterized in that the lower end of a control handle is fixedly connected with a threaded rod, the threaded rod is rotatably connected with the inner wall of a valve main body, the outer wall of the threaded rod is in threaded connection with a sealing assembly, the lower end of the sealing assembly is fixedly connected with a pressing rod, and the lower end of the pressing rod is lapped with a partition plate main body; the control handle is rotated, the threaded rod is driven by the control handle to rotate, the sealing assembly moves downwards along the outer wall of the threaded rod, at the moment, the sealing block can be pressed to press the elastic element through the sliding block body, and when the sealing block seals the output pipe, rust slag on the inner wall of the valve body can be pushed down by the sealing block; when the sealing assembly moves downwards, the downward pressing rod can be driven to eject the partition plate body, so that the angle of the partition plate body deviates, at the moment, rust slag can be discharged from the blow-off pipe, a valve does not need to be additionally arranged, the cleaning effect is extremely good, and operation is extremely convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of water valves, in particular to a drainage structure of a steam trap. Background Art

[0002] The basic function of the steam trap is to discharge the condensate, air and carbon dioxide gas in the steam system as quickly as possible, while automatically preventing steam leakage to the maximum extent. During the use of the steam trap, the rust residue in the valve body needs to be removed regularly to avoid clogging of the valve body and swelling of the steam trap caused by clogging of the valve body. When it is necessary to clean the rust residue in the valve body, it is necessary to first unscrew the external plug with a wrench, and then perform the cleaning operation. After the cleaning is completed, the external plug can be screwed on. It can be seen that the design of using an external plug to block the sewage outlet makes the operation of cleaning the rust residue time-consuming and laborious for the staff.

[0003] The patent with announcement number CN203413341U discloses a drain valve structure, which includes a drain valve body, a drain port is arranged on the valve body, the drain port is connected to a drain pipe, and a valve is arranged on the drain pipe; the drain pipe is provided with an external thread on the surface of the connection end connected to the drain port, and the connection end of the drain pipe is screwed into the drain port; the terminal pipe of the drain pipe faces the ground. The utility model connects the drain port to the drain pipe, and a valve is arranged on the drain pipe. The rust residue in the valve body is discharged regularly by controlling the opening and closing of the valve. The operation is simple and fast, saving time and effort; however, the method of additionally arranging a valve not only cannot effectively assist in cleaning the rust residue, but also is relatively cumbersome to operate and lacks practicality.

[0004] In view of the above problems, the utility model proposes a drain valve sewage discharge structure. Utility Model Content

[0005] The utility model aims to provide a drain valve sewage discharge structure, thereby solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drain structure of a steam trap, comprising a valve body, and an input pipe and an output pipe respectively connected to both sides of the valve body, the lower end of the valve body is connected to a drain pipe, the upper end of the valve body is rotatably connected to a control handle, the lower end of the control handle is fixedly connected to a threaded rod, the threaded rod is rotatably connected to the inner wall of the valve body, the outer wall of the threaded rod is threadedly connected to a sealing assembly, the lower end of the sealing assembly is fixedly connected to a pressing rod, the lower end of the pressing rod is overlapped with a partition body, and the lower end of the partition body is installed with a rotating shaft assembly;

[0007] The sealing assembly includes a movable block slidably connected to the inner wall of the valve body, a middle spacer block is fixedly connected to the center of the movable block, elastic elements are fixedly connected to both sides of the middle spacer block, an end of the elastic element away from the middle spacer block is fixedly connected to a slider body, and an end of the slider body away from the elastic element is fixedly connected to a sealing block.

[0008] Preferably, the sealing block is a component made of rubber material, and the size of the sealing block matches the opening size of the output pipe.

[0009] Preferably, when the elastic element is in a compressed state, the sealing block protrudes from the side end opening of the movable block.

[0010] Preferably, the partition body is axially connected to the inner wall of the sewage pipe through a rotating shaft assembly.

[0011] Preferably, the rotating shaft assembly includes an inner connecting shaft fixedly connected to the partition body, both ends of the inner connecting shaft penetrate the outer wall of the sewage pipe, and both ends are rotatably connected to an outer shaft body, and one end of the outer shaft body is fixedly connected to the outer wall of the sewage pipe.

[0012] Preferably, a return torsion spring is sleeved on the outer wall of the connecting inner shaft, and both ends of the return torsion spring are fixedly connected with receiving blocks, and one end of the receiving block is fixedly connected to the inner wall of the outer shaft body.

[0013] Preferably, when the partition body seals the sewage pipe, the return torsion spring is in a relaxed state.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model discloses a drainage structure of a steam trap. The control handle is rotated and the threaded rod is driven to rotate by the control handle, so that the sealing component moves downward along the outer wall of the threaded rod. At this time, the sealing block is pressed by the slider body to press the elastic element. The reaction force of the elastic element is used to drive the sealing block to be close to the inner wall of the valve body. When the sealing block seals the output pipe, the rust residue on the inner wall of the valve body will be pushed down by the sealing block. When the sealing component moves downward, the pressing rod will push the partition body to make the partition body shift in angle. At this time, the rust residue can be discharged from the drainage pipe without setting an additional valve. The cleaning effect is excellent and the operation is extremely convenient. The existing method of setting an additional valve not only fails to effectively assist in cleaning the rust residue, but also is complicated to operate and lacks practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall planar structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the planar structure of the sealing component of the utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the rotating shaft assembly of the utility model;

[0020] Figure 5 It is a schematic diagram of the planar structure of the rotating shaft assembly of the utility model.

[0021] In the figure: 1. valve body; 2. input pipe; 3. output pipe; 4. drain pipe; 5. control handle; 6. threaded rod; 7. sealing assembly; 71. movable block; 72. middle partition block; 73. elastic element; 74. slider body; 75. sealing block; 8. down-pressing rod; 9. partition body; 10. rotating shaft assembly; 101 connecting inner shaft; 102. outer shaft body; 103. reset torsion spring; 104. receiving block. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-Figure 5 In order to solve the problem that the existing method of setting up additional valves not only cannot effectively assist in cleaning rust residues, but also is cumbersome to operate and lacks practicality, the following preferred technical solutions are provided:

[0024] A drainage structure of a steam trap comprises a valve body 1, and an input pipe 2 and an output pipe 3 respectively connected to both sides of the valve body 1, a drainage pipe 4 is connected to the lower end of the valve body 1, a control handle 5 is rotatably connected to the upper end of the valve body 1, a threaded rod 6 is fixedly connected to the lower end of the control handle 5, the threaded rod 6 is rotatably connected to the inner wall of the valve body 1, a sealing assembly 7 is threadedly connected to the outer wall of the threaded rod 6, a pressing rod 8 is fixedly connected to the lower end of the sealing assembly 7, a partition body 9 is overlapped at the lower end of the pressing rod 8, a rotating shaft assembly 10 is installed at the lower end of the partition body 9, and the sealing assembly 7 comprises a movable block 71 slidably connected to the inner wall of the valve body 1, a middle partition block 72 is fixedly connected to the center of the movable block 71, elastic elements 73 are fixedly connected to both sides of the middle partition block 72, a slider body 74 is fixedly connected to one end of the elastic element 73 away from the middle partition block 72, and a sealing block 75 is fixedly connected to one end of the slider body 74 away from the elastic element 73.

[0025] The sealing block 75 is a component made of rubber material, and the size of the sealing block 75 matches the opening size of the output pipe 3 . When the elastic element 73 is in a compressed state, the sealing block 75 protrudes from the side end opening of the movable block 71 .

[0026] The partition body 9 is connected to the inner wall of the sewage pipe 4 through the shaft assembly 10. The shaft assembly 10 includes an inner connecting shaft 101 fixedly connected to the partition body 9. Both ends of the inner connecting shaft 101 penetrate the outer wall of the sewage pipe 4, and both ends are rotatably connected to an outer shaft body 102. One end of the outer shaft body 102 is fixedly connected to the outer wall of the sewage pipe 4. A reset torsion spring 103 is sleeved on the outer wall of the inner connecting shaft 101. Both ends of the reset torsion spring 103 are fixedly connected to a receiving block 104. One end of the receiving block 104 is fixedly connected to the inner wall of the outer shaft body 102. When the partition body 9 seals the sewage pipe 4, the reset torsion spring 103 is in a relaxed state.

[0027] The cam 75 is pressed against the locking cam 74 and the locking cam 73 is released, and the cam 73 is in a state of being pushed downwardly against the locking cam 74.

[0028] When the angle of the partition body 9 is offset, it will simultaneously drive the connecting inner shaft 101 to rotate, thereby tightening the reset torsion spring 103 through the cooperation of the receiving block 104. Therefore, when the cleaning is completed, the lower pressure rod 8 no longer pushes the partition body 9, the partition body 9 will return to its original position under the action of the reset torsion spring 103 and re-seal the sewage pipe 4.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drain valve structure, comprising a valve body (1), and an inlet pipe (2) and an outlet pipe (3) respectively connected to both sides of the valve body (1), characterized in that: The lower end of the valve body (1) is connected to a sewage pipe (4); the upper end of the valve body (1) is rotatably connected to a control handle (5); the lower end of the control handle (5) is fixedly connected to a threaded rod (6); the threaded rod (6) is rotatably connected to the inner wall of the valve body (1); the outer wall of the threaded rod (6) is threadedly connected to a sealing assembly (7); the lower end of the sealing assembly (7) is fixedly connected to a pressing rod (8); the lower end of the pressing rod (8) is overlapped with a partition body (9); the lower end of the partition body (9) is installed with a rotating shaft assembly (10); The sealing assembly (7) comprises a movable block (71) slidably connected to the inner wall of the valve body (1); a middle spacer block (72) is fixedly connected to the center of the movable block (71); elastic elements (73) are fixedly connected to both sides of the middle spacer block (72); an end of the elastic element (73) away from the middle spacer block (72) is fixedly connected to a slider body (74); and an end of the slider body (74) away from the elastic element (73) is fixedly connected to a sealing block (75).

2. A steam trap drainage structure according to claim 1, characterized in that: The sealing block (75) is a component made of rubber material, and the size of the sealing block (75) matches the opening size of the output pipe (3).

3. A steam trap drainage structure according to claim 1, characterized in that: When the elastic element (73) is in a compressed state, the sealing block (75) protrudes from the side end opening of the movable block (71).

4. A steam trap drainage structure according to claim 1, characterized in that: The partition body (9) is axially connected to the inner wall of the sewage pipe (4) via a rotating shaft assembly (10).

5. A drain valve drainage structure according to claim 4, characterized in that: The rotating shaft assembly (10) comprises an inner connecting shaft (101) fixedly connected to the partition body (9), both ends of the inner connecting shaft (101) penetrate the outer wall of the sewage pipe (4), and both ends are rotatably connected to an outer connecting shaft body (102), and one end of the outer connecting shaft body (102) is fixedly connected to the outer wall of the sewage pipe (4).

6. A steam trap drainage structure according to claim 5, characterized in that: The outer wall of the connecting inner shaft (101) is sleeved with a return torsion spring (103), both ends of the return torsion spring (103) are fixedly connected to receiving blocks (104), and one end of the receiving block (104) is fixedly connected to the inner wall of the outer shaft body (102).

7. A drain valve drainage structure according to claim 6, characterized in that: When the partition body (9) seals the sewage discharge pipe (4), the return torsion spring (103) is in a relaxed state.

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