Adjustable blow-down valve

Abstract

The utility model is suitable for the technical field of blow-down valves, and provides an adjustable blow-down valve which comprises a valve body and a driving piece arranged on the valve body, a valve rod is arranged at the output end of the driving piece, the driving piece drives the valve rod to vertically move up and down, and a valve element is arranged at the bottom of the valve rod. The friction set is arranged in the valve body and comprises a vertical rod fixedly connected to the valve rod, a transverse rod arranged in the valve body and a friction plate connected to the valve body in a sliding mode, the transverse rod is sleeved with a sliding block, a connecting rod is hinged between the sliding block and the vertical rod, the vertical rod and the transverse rod are both connected to the valve body in a sliding mode, the transverse rod is sleeved with a main elastic piece, and the main elastic piece is connected with the friction plate in a sliding mode. The main elastic piece abuts against the sliding block. The blow-down valve has the advantages that the valve element can be driven by the driving piece to move up and down, and the blow-down valve can be rapidly opened or closed; and a sealing groove of the valve element and the valve body can be cleaned through the friction set, and the problem that sealing is not tight due to the fact that much dirt exists in the sealing groove is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage discharge valves, in particular to an adjustable sewage discharge valve. Background Art

[0002] The sewage valve is evolved from the gate, which uses the gear rotation to drive the valve stem to lift and open. When sewage is discharged, there will be a lot of garbage in the sewage, which will fill the sealing groove where the valve core of the sewage valve contacts the valve body, making it difficult to clean. In addition, after long-term use, the accumulation of garbage will affect the sealing effect.

[0003] A Chinese patent with patent publication number CN220435457U discloses a sewage valve with a built-in anti-blocking structure, including a valve body, a mounting body is provided in the valve body, a crushing mechanism for crushing garbage to prevent the sewage valve from being blocked; the crushing mechanism includes a rotating cylinder and a connecting pipe, both ends of the rotating cylinder are connected to positioning rings through bearings, a bevel gear ring is provided on the outer surface of the rotating cylinder, a bevel gear is provided at the lower end of the outer surface of the connecting pipe, the bevel gear is meshed and connected with the bevel gear ring, and a plurality of crushing cutters are provided in the rotating cylinder; a sealing groove of a valve core is provided on the valve body of the above-mentioned sewage valve, and dirt is easily stored in the sealing groove, affecting the sealing.

[0004] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] In view of the above-mentioned defects, the purpose of the utility model is to provide an adjustable sewage valve, which can solve the problem of loose sealing caused by a lot of dirt in the sealing groove and improve the sealing effect of the sewage valve.

[0006] In order to achieve the above-mentioned purpose, the utility model provides an adjustable sewage valve, comprising: a valve body, a driving member arranged on the valve body, a valve stem is arranged at the output end of the driving member, the driving member drives the valve stem to move vertically up and down, and a valve core is arranged at the bottom of the valve stem; a friction group is arranged in the valve body, the friction group comprises a vertical rod fixed to the valve stem, a cross rod arranged in the valve body and a friction plate slidably connected to the valve body, a sliding block is arranged outside the cross rod, a connecting rod is hinged between the sliding block and the vertical rod, and the vertical rod and the cross rod are both slidably connected to the valve body, and a main elastic member is arranged outside the cross rod, and the main elastic member abuts against the sliding block.

[0007] According to the adjustable sewage valve of the utility model, the driving member is configured as a rotating shaft, a gear is fixedly connected to the rotating shaft, and the gear is meshed with the valve stem.

[0008] According to the adjustable sewage valve of the utility model, the end of the cross bar away from the sliding block is fixedly connected with an arc block, the arc block is slidably connected with a sliding pin, and the sliding pin is fixedly connected to the friction plate.

[0009] According to the adjustable sewage valve of the utility model, an arc rod is fixedly connected to the cross bar, the arc rod is slidably connected to the sliding pin, a secondary elastic member is arranged on the outer sleeve of the arc rod, a fixing plate is fixedly connected to the friction plate, the fixing plate abuts against the baffle plate, and the baffle plate is fixed to the vertical rod.

[0010] According to the adjustable sewage valve of the utility model, the rotating shaft is rotatably connected to the outer shell, and the outer shell is fixed to the valve body.

[0011] According to the adjustable sewage valve of the utility model, the arc rod and the arc block have the same center.

[0012] The utility model provides an adjustable sewage valve, comprising: a valve body, a driving member arranged on the valve body, a valve stem is arranged at the output end of the driving member, the driving member drives the valve stem to move vertically up and down, and a valve core is arranged at the bottom of the valve stem; a friction group is arranged in the valve body, the friction group comprises a vertical rod fixedly connected to the valve stem, a cross rod arranged in the valve body and a friction plate slidably connected to the valve body, a sliding block is arranged outside the cross rod, a connecting rod is hinged between the sliding block and the vertical rod, and the vertical rod and the cross rod are both slidably connected to the valve body, a main elastic member is arranged outside the cross rod, and the main elastic member abuts against the sliding block; the beneficial effects of the utility model: the valve core can be driven up and down by the driving member to realize the rapid opening or closing function of the sewage valve; the sealing groove of the valve core and the valve body can be cleaned by the friction group, so as to solve the problem of poor sealing caused by more dirt in the sealing groove, and improve the sealing effect of the sewage valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This utility model Figure 1 Schematic diagram of the cross-section structure;

[0015] Figure 3 It is a schematic diagram of the friction group structure of the utility model;

[0016] Figure 4 This utility model Figure 3 A is a schematic diagram of the partially enlarged structure of the middle part;

[0017] In the figure, 1-valve body, 2-housing, 21-rotating shaft, 22-gear, 3-valve core, 4-valve stem, 5-vertical rod, 51-baffle, 6-connecting rod, 61-sliding block, 7-cross rod, 71-primary elastic member, 72-arc block, 73-arc rod, 74-secondary elastic member, 8-friction plate, 81-sliding pin, 82-fixed plate. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] See also Figures 1 to 4 The utility model provides an adjustable sewage valve, which includes: a valve body 11, a driving member arranged on the valve body 11, a valve stem 4 is arranged at the output end of the driving member, the driving member drives the valve stem 4 to move vertically up and down, and a valve core 3 is arranged at the bottom of the valve stem 4; a friction group arranged in the valve body 11, the friction group includes a vertical rod 5 fixed to the valve stem 4, a cross rod 7 arranged in the valve body 11 and a friction plate 8 slidably connected to the valve body 11, a sliding block 61 is arranged on the outer sleeve of the cross rod 7, a connecting rod 6 is hinged between the sliding block 61 and the vertical rod 5, and The vertical rod 5 and the cross rod 7 are both slidably connected to the valve body 11, and a main elastic member 71 is provided on the outer sleeve of the cross rod 7, and the main elastic member 71 abuts against the sliding block 61, and main elastic members 71 are provided at both ends of the sliding block 61, so that the sliding block 61 can drive the cross rod 7 to move left and right; the beneficial effects of the utility model: the valve core 3 can be driven up and down by the driving member to realize the function of quickly opening or closing the sewage valve; the sealing groove of the valve core 3 and the valve body 11 can be cleaned by the friction group, so as to solve the problem of poor sealing caused by too much dirt in the sealing groove, and improve the sealing effect of the sewage valve.

[0020] See also Figures 1 to 4 Preferably, the driving member of the utility model is set as a rotating shaft 21, and a gear 22 is fixed to the rotating shaft 21. The gear 22 is engaged with the valve stem 4, and the valve stem 4 is driven to rise or fall by rotating the gear 22.

[0021] See also Figures 1 to 4 In addition, the end of the cross bar 7 of the utility model away from the sliding block 61 is fixedly connected to an arc block 72, and a sliding pin 81 is slidably connected to the arc block 72. The sliding pin 81 is fixedly connected to the friction plate 8, and the friction plate 8 is adhered with steel bristles to facilitate cleaning of the sealing groove on the valve body 11 where the valve core 3 is placed.

[0022] See also Figures 1 to 4 Furthermore, an arc rod 73 is fixedly connected to the cross bar 7 of the utility model, and the arc rod 73 is slidably connected to the sliding pin 81. A secondary elastic member 74 is arranged on the outer sleeve of the arc rod 73. A fixing plate is fixedly connected to the friction plate 8, and the fixing plate abuts against the baffle 51. The baffle 51 is fixedly connected to the vertical rod 5. The arc rod 73 has the same center as the arc block 72.

[0023] See also Figures 1 to 4 More preferably, the rotating shaft 21 of the utility model is rotatably connected to the housing 2 , and the housing 2 is fixed to the valve body 11 .

[0024] Working principle: The control shaft 21 rotates, and the gear 22 drives the valve stem 4 to rise or fall, driving the valve core 3 to open or close the passage of the valve body 11;

[0025] When the drain valve needs to be closed, the gear 22 drives the valve stem 4 to move downward, the valve stem 4 drives the vertical rod 5 to move downward, the vertical rod 5 drives the sliding block 61 to move through the connecting rod 6, the sliding block 61 now squeezes the main elastic member 71 on one side, the baffle 51 on the vertical rod 5 abuts against the fixed plate, driving the sliding pin 81 on the friction plate 8 to rotate in the arc block 72, and frictionally cleans the sealing groove in the valve body 11. When the friction plate 8 rotates, the sliding pin 81 slides on the arc rod 73 to compress the secondary elastic member 74, and the secondary elastic member 74 can drive the sliding pin 81 to reset; when the main elastic member 71 is compressed to half its length, it drives the cross bar 7 to drive the friction plate 8 to move, so that the valve core 3 is engaged with the valve groove to achieve sealing.

[0026] In summary, the utility model provides an adjustable sewage valve, comprising: a valve body, a driving member arranged on the valve body, a valve stem is arranged at the output end of the driving member, the driving member drives the valve stem to move vertically up and down, and a valve core is arranged at the bottom of the valve stem; a friction group is arranged in the valve body, the friction group comprises a vertical rod fixedly connected to the valve stem, a cross rod arranged in the valve body and a friction plate slidably connected to the valve body, a sliding block is arranged outside the cross rod, a connecting rod is hinged between the sliding block and the vertical rod, and the vertical rod and the cross rod are both slidably connected to the valve body, a main elastic member is arranged outside the cross rod, and the main elastic member abuts against the sliding block; the beneficial effects of the utility model: the valve core can be driven up and down by the driving member to realize the rapid opening or closing function of the sewage valve; the sealing groove of the valve core and the valve body can be cleaned by the friction group, so as to solve the problem of poor sealing caused by more dirt in the sealing groove, and improve the sealing effect of the sewage valve.

[0027] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. An adjustable drain valve, characterized in that: include: Valve body, A driving member disposed on the valve body, wherein a valve stem is disposed at an output end of the driving member, the driving member drives the valve stem to move vertically up and down, and a valve core is disposed at the bottom of the valve stem; A friction group is arranged in the valve body, and the friction group includes a vertical rod fixed to the valve stem, a cross rod arranged in the valve body and a friction plate slidably connected to the valve body, a sliding block is arranged on the outer sleeve of the cross rod, a connecting rod is hinged between the sliding block and the vertical rod, and the vertical rod and the cross rod are both slidably connected to the valve body, and a main elastic member is arranged on the outer sleeve of the cross rod, and the main elastic member abuts against the sliding block.

2. The adjustable drain valve according to claim 1, characterized in that: The driving member is configured as a rotating shaft, a gear is fixedly connected to the rotating shaft, and the gear is meshed with the valve stem.

3. The adjustable drain valve according to claim 1, characterized in that: The end of the cross bar away from the sliding block is fixedly connected with an arc block, the arc block is slidably connected with a sliding pin, and the sliding pin is fixedly connected to the friction plate.

4. The adjustable drain valve according to claim 3, characterized in that: An arc rod is fixedly connected to the cross bar, the arc rod is slidably connected to the sliding pin, a secondary elastic member is arranged on the outer sleeve of the arc rod, a fixing plate is fixedly connected to the friction plate, the fixing plate abuts against the baffle plate, and the baffle plate is fixedly connected to the vertical rod.

5. The adjustable drain valve according to claim 2, characterized in that: The rotating shaft is rotatably connected to the outer shell, and the outer shell is fixed to the valve body.

6. The adjustable drain valve according to claim 4, characterized in that: The arc rod and the arc block have the same center.

Images