Sealed emptying valve

Abstract

The utility model relates to the technical field of valves, and particularly discloses a sealed emptying valve. The valve comprises a valve body and a valve element arranged in the valve body, a sliding way is formed in the valve body in the length direction, the valve element is arranged in the sliding way, the valve element is sequentially sleeved with a first sealing ring, an elastic piece and a threaded sleeve in the direction away from a discharging port, the two sides of the first sealing ring abut against the valve element and the elastic piece respectively, and the periphery of the first sealing ring abuts against the sliding way. The periphery of the threaded sleeve is in threaded connection with the inner wall of the sliding way, the end, away from the discharging port, of the valve body is sleeved with a cap, the cap is arranged on the periphery of the valve body in a sleeving mode and is in threaded connection with the valve body, and the end, in the length direction, of the valve element abuts against the cap. Along with the increase of the service time, the rotating thread sleeve is matched with the elastic piece to extrude the first sealing ring, the use effect of the first sealing ring can be improved, the sealing effect of the emptying valve is improved, and the service life of the emptying valve is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, especially in one kind sealed discharge valve. BACKGROUND

[0002] Discharge valve is mainly used for the bottom of the reaction kettle, storage tank and other containers, discharge, sampling and other operations, usually welded in the bottom of the storage tank or other containers.

[0003] In the prior art, the valve core surface and the valve body are provided with a sealing ring, and sealing is realized through the sealing ring, but in the moving process of the valve core, the sealing ring is easy to wear, which affects the sealing effect and service life of the discharge valve. UTILITY MODEL CONTENT

[0004] In order to overcome the defects of the prior art, the purpose of the utility model is to provide a sealed discharge valve to improve the sealing effect and service life of the sealing valve.

[0005] The utility model adopts the technical scheme that:

[0006] A sealed discharge valve, comprising a valve body and a valve core arranged in the valve body, a sliding channel is formed in the valve body along the length direction, the valve core is arranged in the sliding channel, the outer periphery of the valve body is provided with a feed inlet communicated with the sliding channel, one end of the sliding channel is provided with a discharge outlet, the outer periphery of the valve core is sequentially sleeved with a first sealing ring, an elastic member and a screw sleeve in the direction away from the discharge outlet, the two sides of the first sealing ring are respectively abutted with the valve core and the elastic member, the outer periphery of the first sealing ring is abutted with the sliding channel, the side of the elastic member away from the valve core is abutted with the screw sleeve, the outer periphery of the screw sleeve is threadedly connected with the inner wall of the sliding channel, one end of the valve body away from the discharge outlet is sleeved with a cap, the cap is sleeved on the outer periphery of the valve body and is threadedly connected with the valve body, and one end of the valve core in the length direction is abutted with the cap.

[0007] The first sealing ring is sealed with the valve core, the cap is rotated to drive the valve core to slide in the sliding channel, with the increase of the use time, the screw sleeve is rotated to extrude the first sealing ring with the elastic member, the use effect of the first sealing ring can be improved, and the sealing effect and service life of the discharge valve are increased.

[0008] Optionally, one end of the valve core away from the cap is provided as a conical body, the diameter of the conical body gradually decreases in the direction away from the cap, and the outer periphery of the conical body is abutted with the discharge outlet.

[0009] Optionally, the discharge outlet is provided with a discharge pipe, the feed inlet is provided with a feed pipe, the inner wall of the discharge pipe is embedded with a second sealing ring, and the outer periphery of the conical body is abutted with the second sealing ring.

[0010] Optionally, the first sealing ring and the elastic member are provided in plurality, and the plurality of first sealing rings and elastic members are staggered along the length direction of the slide.

[0011] Optionally, the valve body is provided with a stop ring on the outer periphery of the side close to the cap.

[0012] The stop ring limits the cap, reduces the abutting pressure of the valve core and the discharge port, and improves the service life of the valve core.

[0013] Optionally, the screw sleeve is provided with a stop block on the side away from the discharge port, and the diameter of the stop block is equal to the outer diameter of the valve body.

[0014] When the screw sleeve is rotated to the side close to the valve body and abuts against the valve body, the elasticity of the first sealing ring is reduced, and the first sealing ring needs to be replaced, improving the convenience of use of the discharge valve and further improving the sealing effect of the sealing valve.

[0015] The beneficial effects of the utility model lie in that the first sealing ring cooperates with the valve core to seal the valve body, the cap is rotated to drive the valve core to slide in the slide, with the increase of the use time, the screw sleeve is rotated to cooperate with the elastic member to extrude the first sealing ring, the use effect of the first sealing ring can be improved, and the sealing effect and service life of the discharge valve are increased. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a sectional view of the overall structure of the utility model.

[0017] The correspondence between the reference numbers and names in the drawing is as follows: 1, valve body; 11, discharge pipe; 111, second sealing ring; 12, feed pipe; 2, valve core; 21, conical body; 3, slide; 4, first sealing ring; 5, elastic member; 6, screw sleeve; 7, cap; 8, stop ring; 9, stop block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figure 1 The utility model provides a technical scheme:

[0020] The utility model provides a seal feed valve, including valve body 1 and the valve core 2 who sets up in valve body 1, the slide 3 is seted up in valve body 1 along the length direction, the valve core 2 sets up in the slide 3, the outer periphery of valve body 1 is seted up with the feed inlet that communicates with the slide 3, the slide 3 one end is seted up with the discharge port, the discharge pipe 11 is sealedly connected with the discharge port, the feed pipe 12 is sealedly connected with the feed inlet, the outer periphery of valve core 2 is sequentially sleeved with first sealing ring 4, elastic part 5 and screw sleeve 6 along the direction of away from the discharge port, the both sides of first sealing ring 4 are respectively with valve core 2 and elastic part 5 abut, the outer periphery of first sealing ring 4 is with the slide 3 abut, the side of elastic part 5 away from valve core 2 is with screw sleeve 6 abut, the outer periphery of screw sleeve 6 is with the inner wall of slide 3 thread connection, in the embodiment, elastic part 5 selects telescopic spring, and rotating screw sleeve 6 makes telescopic spring compression and extrudes first sealing ring 4, improves the sealing effect and service life of first sealing ring 4.

[0021] In order to improve the sealing effect of the feed valve, the first sealing ring 4 and the elastic part 5 are provided with a plurality of, in the embodiment, the first sealing ring 4 and the elastic part 5 are each provided with two, the two first sealing rings 4 and the elastic parts 5 are staggered along the length direction of the slide 3.

[0022] In order to facilitate the timely replacement of the first sealing ring 4, the side of the screw sleeve 6 away from the discharge port is fixedly connected with the stop block 9, the diameter of the stop block 9 is equal to the outer diameter of the valve body 1, and the end of the valve core 2 away from the discharge port penetrates the stop block 9, when the side wall of the stop block 9 abuts against the valve body 1, a new first sealing ring 4 needs to be replaced.

[0023] The end of the valve body 1 away from the discharge port is sleeved with the cap 7, the cap 7 is sleeved on the outer periphery of the valve body 1 and is threadedly connected with the valve body 1, one end of the valve core 2 in the length direction abuts against the cap 7, the end of the valve core 2 away from the cap 7 is provided as a tapered body 21, the diameter of the tapered body 21 gradually decreases along the direction away from the cap 7, the inner wall of the discharge pipe 11 is embedded with the second sealing ring 111, the outer periphery of the tapered body 21 abuts against the second sealing ring 111, the outer periphery of the valve body 1 close to the cap 7 is sleeved with the stop ring 8, the stop ring 8 is fixedly connected with the valve body 1, and the phenomenon of excessive abutment of the valve core 2 and the discharge pipe 11 is reduced.

[0024] Finally, it should be noted that: the above is only the preferred example of the utility model, and is not used for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement is carried out to part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A seal feed valve comprising a valve body (1) and a valve core (2) arranged in the valve body (1), characterized in that, The valve body (1) is provided with a sliding channel (3) in the length direction, the valve core (2) is arranged in the sliding channel (3), the outer periphery of the valve body (1) is provided with a feeding port communicated with the sliding channel (3), one end of the sliding channel (3) is provided with a discharging port, the outer periphery of the valve core (2) is sequentially sleeved with a first sealing ring (4), an elastic element (5) and a screw sleeve (6) in the direction away from the discharging port, the two sides of the first sealing ring (4) are respectively abutted with the valve core (2) and the elastic element (5), the outer periphery of the first sealing ring (4) is abutted with the sliding channel (3), the side of the elastic element (5) away from the valve core (2) is abutted with the screw sleeve (6), the outer periphery of the screw sleeve (6) is threadedly connected with the inner wall of the sliding channel (3), one end of the valve body (1) away from the discharging port is sleeved with a cap (7), the cap (7) is sleeved on the outer periphery of the valve body (1) and is threadedly connected with the valve body (1), one end of the valve core (2) in the length direction is abutted with the cap (7).

2. A seal feed valve according to claim 1, wherein, The end of the valve core (2) away from the cap (7) is provided as a conical body (21), the diameter of the conical body (21) gradually decreases in the direction away from the cap (7), and the outer periphery of the conical body (21) is abutted with the discharging port.

3. A seal feed valve according to claim 2, wherein, The discharging port is provided with a discharging pipe (11), the feeding port is provided with a feeding pipe (12), the inner wall of the discharging pipe (11) is embedded with a second sealing ring (111), and the outer periphery of the conical body (21) is abutted with the second sealing ring (111).

4. A seal feed valve according to claim 1 wherein, The first sealing ring (4) and the elastic element (5) are provided with a plurality of the first sealing rings (4) and elastic elements (5), and the plurality of the first sealing rings (4) and elastic elements (5) are staggered in the length direction of the sliding channel (3).

5. A seal feed valve according to claim 1 wherein, The outer periphery of the valve body (1) near the cap (7) is sleeved with a blocking ring (8).

6. A seal feed valve according to claim 1 wherein, The side of the screw sleeve (6) away from the discharging port is provided with a stop block (9), and the diameter of the stop block (9) is equal to the outer diameter of the valve body (1).

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