CN214840058U - Drain valve - Google Patents

Abstract

The utility model provides a drain valve, which comprises a hollow valve body, a valve cover, a water inlet, a water outlet and a blocking part, wherein the water inlet and the water outlet are communicated with the valve body; through can dismantling to be fixed with the buffering portion at the delivery port, when shutoff portion rebound shutoff delivery port, can contact with the buffering portion, avoid the shutoff portion striking delivery port, cause the damage of shutoff portion, prolonged life, improved economic benefits.

Description

Drain valve

Technical Field

The utility model relates to a trap field, concretely relates to trap.

Background

Steam traps, known as steam traps, also known as automatic drains or condensate drains, are divided into steam system uses and gas system uses. The steam trap is installed at the end of the steam-heated pipe and functions to continuously discharge the condensed water in the steam-heated pipe to the outside of the pipe.

The patent of Chinese patent document CN212132004U discloses a reversed bucket type steam trap, which comprises a bucket type steam trap body and an internal member hanging plate, wherein the bucket type steam trap body comprises a valve body, a valve cover covering the valve body and an internal member positioned in a valve cavity enclosed by the valve body and the valve cover; the valve cover and the valve body clamp the internal part hanging plate, and the internal part is connected to the internal part hanging plate. The utility model discloses can carry out quick replacement to the internal subassembly, practice thrift the running cost.

The drain valve realizes the opening/closing of the drain hole through the up-and-down movement of the valve core, thereby realizing the drainage of condensed water, but the valve core is a precise element, and the valve core and the drain hole are impacted in the using process, so the valve core is easy to be damaged, and therefore, the drain valve capable of effectively preventing the valve core from impacting the drain hole is necessary.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the drain valve can effectively prevent the valve core from impacting the drain hole.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a drain valve, including inside hollow valve body, valve gap, with the water inlet and the delivery port and the shutoff portion of valve body intercommunication, the valve gap with the connection can be dismantled to the valve body, the water outlet runner has been seted up to the inside of valve gap, the delivery port with the valve body passes through the water outlet runner intercommunication, the water outlet runner is close to the tip of valve body can be dismantled and be fixed with the buffering portion, the shutoff portion with valve gap rotatable coupling, the shutoff portion can with the laminating of buffering portion is closed the water outlet runner.

Preferably, the buffer part comprises a buffer bolt, a buffer spring and a buffer column with a hollow inner part; the buffering bolt is connected with the water outlet flow channel through threads, two first limiting rings are arranged on the inner wall of the buffering bolt, two second limiting rings are fixed on the outer wall of the buffering column, and the second limiting rings are limited between the first limiting rings; the buffer spring is fixed on the top of the second limit ring located above, and the buffer spring can be limited by the first limit ring.

Preferably, the bottom of buffering post is provided with the cushion ring, the cushion ring is flexible material to the oral area of the hole of cushion ring is chamfered and is had buffering oblique angle, wherein, shutoff portion can with cushion oblique angle laminating.

Preferably, the blocking part comprises a blocking bracket, a blocking rod, a blocking bolt and a blocking head; the shutoff support passes through the bolt fastening and is in the diapire of valve gap, the shutoff pole with the shutoff support passes through shutoff bolt rotatable coupling, the shutoff head is fixed the top of shutoff pole, wherein, the shutoff head can with the laminating of buffering ring.

Preferably, the trap further comprises an inverted bucket and a plurality of guide portions; the lifting bucket is rotatably connected with the plugging rod, and the bottom wall of the lifting bucket is provided with a vent hole; one end of the guide part is fixed on the inner wall of the valve body, and the other end of the guide part is attached to the outer wall of the bucket.

Preferably, the trap further comprises a plurality of limiting parts; the limiting portion is arranged on the outer wall of the bucket, wherein the limiting portion located above can be attached to the guide portion to limit downward movement of the bucket, and the limiting portion located below can be attached to the guide portion to limit upward movement of the bucket.

Preferably, the guiding part is provided with a plurality of layers, the guiding part of each layer is arranged around the axis array of the inner wall of the valve body, and the guiding parts of each layer are arranged along the axis array of the inner wall of the valve body.

Preferably, the guide part comprises two guide columns, a guide rod and a guide roller which are arranged in parallel; the guide post is fixed on the inner wall of the valve body, a guide hole which is inserted with the guide rod is formed in the guide post, the guide roller is sleeved on the guide rod, and one end of the guide roller is attached to the outer wall of the bucket.

Preferably, the limiting part comprises a limiting plate, an adjusting bolt, a transverse plate, a plurality of limiting springs and a contact plate; the limiting plate is fixed on the outer wall of the bucket, a limiting hole is formed in the vertical direction of the limiting plate, one end of the adjusting bolt is inserted into the limiting hole and is fixedly connected with the limiting plate through a nut, the other end of the adjusting bolt is fixedly connected with one end of the transverse plate, a plurality of limiting springs are fixed to the other end of the adjusting bolt, contact plates are fixed to the end portions of the limiting springs, and the contact plates can be attached to the guide rollers.

Preferably, the trap further comprises a water sealing column with a hollow inner part and a water inlet flow channel; one end of the water inlet flow passage is communicated with the water inlet, the other end of the water inlet flow passage is communicated with the water seal column, and the water inlet flow passage is attached to the outer wall of the valve body; the water seal column is arranged inside the bucket, the water seal column is fixed on the inner bottom wall of the valve body, and the upper end face of the water seal column is higher than the opening end of the bucket.

The utility model has the advantages that:

1. through the detachable connection of the valve cover and the valve body, the valve cover and the valve body can be installed quickly, and in the using process, the inside of the valve body is convenient to overhaul.

2. The inflow of steam and condensed water and the discharge of the condensed water can be realized through the water inlet and the water outlet.

3. Through the rotatable coupling of shutoff portion and valve gap, can realize reciprocating of shutoff portion, realize opening/close delivery port, simple structure is reliable.

4. Through can dismantling to be fixed with the buffering portion at the delivery port, when shutoff portion rebound shutoff delivery port, can contact with the buffering portion, avoid the shutoff portion striking delivery port, cause the damage of shutoff portion, prolonged life, improved economic benefits.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a perspective view of a preferred embodiment of the trap of the present invention;

FIG. 2 is an exploded view of a preferred embodiment of the trap of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is a cross-sectional view of a preferred embodiment of the valve body of the present invention;

FIG. 6 is an enlarged view at C in FIG. 5;

FIG. 7 is a cross-sectional view of a preferred embodiment of the trap of the present invention;

FIG. 8 is an enlarged view at D of FIG. 7;

fig. 9 is a perspective view of the preferred embodiment of the bucket of the present invention.

In the figure:

1. a valve body; 101. a water inlet; 102. a water outlet; 103. a water inlet flow channel;

2. a valve cover; 201. a water outlet flow channel;

3. a plugging section; 301. plugging the stent; 302. a plugging rod; 303. plugging the bolt; 304. plugging a plug;

4. a buffer section;

401. a cushion bolt; 4011. a first limit ring;

402. a buffer spring;

403. a buffer column; 4031. a second stop collar; 4032. a buffer ring; 4033. buffering the bevel;

5. a bucket; 501. a vent hole;

6. a guide section; 601. a guide post; 602. a guide rod; 603. a guide roller;

7. a limiting part; 701. a limiting plate; 702. adjusting the bolt; 703. a transverse plate; 704. a limiting spring; 705. a contact plate;

8. and (5) sealing the column with water.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1-9, the utility model provides a drain valve, including the hollow valve body 1 of inside, valve gap 2, water inlet 101 and delivery port 102 and the shutoff portion 3 that communicate with valve body 1, valve gap 2 and valve body 1 can be dismantled and be connected, in short, through the dismantled connection of valve gap 2 and valve body 1, realized installing valve gap 2 and valve body 1 fast, and in the use, be convenient for overhaul the valve body 1 inside, further, can realize the inflow of steam and comdenstion water and the discharge of comdenstion water through water inlet 101 and delivery port 102; the water outlet flow channel 201 is formed in the valve cover 2, the water outlet 102 is communicated with the valve body 1 through the water outlet flow channel 201, the end, close to the valve body 1, of the water outlet flow channel 201 is detachably fixed with the buffer portion 4, the blocking portion 3 is rotatably connected with the valve cover 2, in short, the blocking portion 3 is rotatably connected with the valve cover 2, up-and-down movement of the blocking portion 3 can be achieved, and the water outlet 102 is opened/closed.

The buffer part 4 comprises a buffer bolt 401, a buffer spring 402 and a buffer column 403 with a hollow inner part; the buffer bolt 401 is in threaded connection with the water outlet flow channel 201, two first limit rings 4011 are arranged on the inner wall of the buffer bolt 401, two second limit rings 4031 are fixed on the outer wall of the buffer column 403, and the second limit is limited between the first limit rings 4011; buffer spring 402 is fixed at the top that is located the second spacing ring 4031 of top, and buffer spring 402 can be spacing by first spacing ring 4011, in short, two second spacing rings 4031 set up between two first spacing rings 4011, can realize the last spacing and the lower spacing of buffering post 403, avoid spacing post roll-off spacing bolt, it is further, can guarantee through the lower spacing that spacing post can not drop to laminating with shutoff portion 3, lead to outlet channel 201 normal close, the reliability of using has been improved.

The bottom of buffering post 403 is provided with buffering ring 4032, buffering ring 4032 is flexible material, and the mouth part of the hole of buffering ring 4032 has been chamfered buffering oblique angle 4033, wherein, shutoff portion 3 can laminate with buffering oblique angle 4033, in short, through the setting of buffering ring 4032, can make shutoff portion 3 and buffering ring 4032 realize flexible contact, can improve the life of shutoff portion 3, and is further, through buffering oblique angle 4033, can make better laminating of shutoff portion 3 and buffering ring 4032, the sealed effect of shutoff portion 3 to outlet flow channel 201 has been improved.

The plugging part 3 comprises a plugging bracket 301, a plugging rod 302, a plugging bolt 303 and a plugging head 304; the plugging support 301 is fixed on the bottom wall of the valve cover 2 through bolts, the plugging rod 302 is rotatably connected with the plugging support 301 through the plugging bolt 303, the plugging head 304 is fixed on the top of the plugging rod 302, wherein the plugging head 304 can be attached to the buffer ring 4032, in short, the plugging support 301 is rotatably connected with the plugging rod 302, up-and-down movement of the plugging rod 302 can be realized, the plugging head 304 on the plugging rod 302 can be matched to open/close the water outlet flow channel 201, discharge of condensed water can be realized, the structure is simple and reliable, the use convenience is improved, further, the plugging rod 302 is fixed with the plugging support 301 through the plugging bolt 303, the structure is simple and reliable, the rotatable connection of the plugging rod 302 can be realized, further, the plugging support 301 is arranged on the valve cover 2 instead of the valve body 1, and quick disassembly and replacement of the plugging part 3 can be realized.

The trap also comprises an inverted bucket 5 and a plurality of guide parts 6; the bucket 5 is rotatably connected with the plugging rod 302, and the bottom wall of the bucket 5 is provided with a vent hole 501; the inner wall at valve body 1 is fixed to the one end of guide 6, the other end of guide 6 and the laminating of the outer wall of well-bucket 5, in short, fix guide 6 at the inner wall of valve body 1, place well-bucket 5 in valve body 1, the in-process of up-and-down motion is done to well-bucket 5, the lateral wall of well-bucket 5 is laminated with guide 6 all the time, can realize well-bucket 5's radial spacing, avoid well-bucket 5 and valve body 1's inner wall to take place the striking, the life of well-bucket 5 and valve body 1 has been improved, economic benefits has been improved, furthermore, can discharge the inside air of well-bucket 5 through air vent 501, realize sinking of well-bucket 5, open out water runner 201, realize the drainage.

The trap also comprises a plurality of limiting parts 7; the limiting part 7 is arranged on the outer wall of the bucket 5, wherein the upper limiting part 7 can be attached to the guide part 6 to limit the downward movement of the bucket 5, the lower limiting part 7 can be attached to the guide part 6 to limit the upward movement of the bucket 5, in short, the upper part and the lower part of the outer wall of the bucket 5 are provided with a plurality of limiting parts 7 in a mirror image manner, at least one guide part 6 is arranged between each pair of limiting parts 7 arranged in a mirror image manner, when the bucket 5 moves downward, the upper limiting part 7 contacts the guide part 6 with the highest vertical height to limit the upward movement of the bucket 5, the lower limiting part 7 contacts the guide part 6 with the lowest disposal height to limit the upward movement of the bucket 5, so that the up-and-down limiting of the bucket 5 is realized, the bucket 5 is prevented from being collided when moving up and down, the top and the bottom of the valve body 1 are prevented, and the service lives of the bucket 5 and the valve body 1 are further prolonged, the economic benefit is improved.

Guide 6 is provided with a plurality of layers, the axis array setting of the inner wall of every layer of guide 6 ring valve body 1, every layer of guide 6 sets up along the inner wall axis array of valve body 1, in short, when setting up one deck guide 6, guide 6 is unsatisfactory to the supporting effect of well-bucket 5, the easy horizontal hunting of well-bucket 5 sets up multilayer guide 6 and can solve this problem effectively, further improves the supporting role to well-bucket 5, avoids well-bucket 5 and valve body 1's inner wall to take place the striking.

The guide part 6 comprises two guide posts 601, a guide rod 602 and a guide roller 603 which are arranged in parallel; the guide post 601 is fixed on the inner wall of the valve body 1, and a guide hole for inserting the guide rod 602 is formed in the guide post 601, the guide roller 603 is sleeved on the guide rod 602, one end of the guide roller 603 is attached to the outer wall of the bucket 5, in short, the guide roller 603 is rotatably sleeved on the guide rod 602, the guide roller 603 is attached to the side wall of the bucket 5, the guide portion 6 is in rolling contact with the bucket 5, the friction force between the guide portion 6 and the bucket 5 can be effectively reduced, the wear degree of the bucket 5 is reduced, and the service life of the bucket 5 is prolonged.

The limiting part 7 comprises a limiting plate 701, an adjusting bolt 702, a transverse plate 703, a plurality of limiting springs 704 and a contact plate 705; a limit plate 701 is fixed on the outer wall of the bucket 5, a limit hole is formed in the vertical direction of the limit plate 701, one end of an adjusting bolt 702 is inserted into the limit hole and is fixedly connected with the limit plate 701 through a nut, the other end of the adjusting bolt 702 is fixedly connected with one end of a transverse plate 703, a plurality of limit springs 704 are fixed at the other end of the adjusting bolt 702, a contact plate 705 is fixed at the end part of each limit spring 704, and the contact plate 705 can be attached to a guide roller 603. in short, the adjusting bolt 702 and the limit plate 701 are fixed through a nut, so that the bolt can be adjusted up and down to adjust the stroke of the bucket 5, the guide roller 603 and the transverse plate 703 are further connected through the contact plate 705 through the limit springs 704, when the guide part 6 is limited by the limit part 7, the guide roller 603 is in contact with the contact plate 705, and the limit springs can play a role of buffering to avoid the guide roller 603 and the contact plate 705 from being collided, the guide roller 603 and the contact plate 705 are damaged, and the service lives of the guide roller 603 and the contact plate 705 are prolonged.

The trap also comprises a water sealing column 8 with hollow interior and a water inlet flow passage 103; one end of the water inlet channel 103 is communicated with the water inlet 101, the other end of the water inlet channel 103 is communicated with the water seal column 8, and the water inlet channel 103 is attached to the outer wall of the valve body 1; the water seal post 8 sets up the inside at well casing 5, and the water seal post 8 is fixed at the inner diapire of valve body 1, the up end of water seal post 8 is higher than the open end of well casing 5, in short, when well casing 5 moved to any position, the top of water seal post 8 was higher than when the opening part of well casing 5 all the time, when the liquid level of comdenstion water was higher than water seal post 8, can provide effective water seal, guarantee the work of well casing 5, and further, the outer wall laminating of inlet channel 103 and valve body 1, can increase the length of inlet channel 103 effectively, when steam and comdenstion water got into valve body 1, can provide an effective distance, realize the liquefaction of steam, improve the work efficiency of long-term trap.

The working process is as follows:

first, steam and condensed water are introduced into the water inlet 101, guided to the inside of the valve body 1 through the water inlet flow passage 103,

secondly, when the liquid level of the condensed water is higher than the opening of the bucket 5, a water seal is formed, the gas in the bucket 5 generates buoyancy to the bucket 5, the ascending of the bucket 5 is realized, the water outlet flow passage 201 is closed,

thirdly, the condensed water continuously enters the valve body 1, the steam begins to be liquefied, the air is discharged out of the bucket 5 from the vent hole 501, the bucket 5 sinks, the water outlet flow channel 201 is opened, the condensed water is discharged,

finally, the steam enters the bucket 5 again, the bucket 5 floats upwards to close the water outlet flow channel 201, and the circulation is performed.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. A trap is characterized by comprising a valve body (1) with a hollow interior, a valve cover (2), a water inlet (101) and a water outlet (102) which are communicated with the valve body (1), and a blocking part (3),

the valve cover (2) is detachably connected with the valve body (1), a water outlet flow channel (201) is formed in the valve cover (2), the water outlet (102) is communicated with the valve body (1) through the water outlet flow channel (201),

a buffer part (4) is detachably fixed at the end part of the water outlet runner (201) close to the valve body (1),

the plugging portion (3) is rotatably connected with the valve cover (2), and the plugging portion (3) can be attached to the buffer portion (4) to close the water outlet flow channel (201).

2. The trap of claim 1,

the buffer part (4) comprises a buffer bolt (401), a buffer spring (402) and a buffer column (403) with a hollow interior;

buffer bolt (401) with go out water runner (201) and pass through threaded connection, the inner wall of buffer bolt (401) is provided with two first spacing rings (4011), the outer wall of buffering post (403) is fixed with two second spacing rings (4031), wherein

The second stop is confined between the first stop rings (4011);

the buffer spring (402) is fixed on the top of the second limit ring (4031) located above, and the buffer spring (402) can be limited by the first limit ring (4011).

3. The trap of claim 2,

the bottom of the buffer column (403) is provided with a buffer ring (4032), the buffer ring (4032) is made of flexible materials, and the mouth of the inner hole of the buffer ring (4032) is chamfered with a buffer bevel angle (4033), wherein

The blocking portion (3) can be attached to the buffer bevel (4033).

4. The trap of claim 3,

the blocking part (3) comprises a blocking bracket (301), a blocking rod (302), a blocking bolt (303) and a blocking head (304);

the plugging support (301) is fixed on the bottom wall of the valve cover (2) through a bolt, the plugging rod (302) is rotatably connected with the plugging support (301) through a plugging bolt (303), and the plugging head (304) is fixed on the top of the plugging rod (302), wherein

The blocking head (304) can be attached to the cushion ring (4032).

5. The trap of claim 4,

the trap also comprises an inverted bucket (5) and a plurality of guide parts (6);

the lifting bucket (5) is rotatably connected with the plugging rod (302), and the bottom wall of the lifting bucket (5) is provided with a vent hole (501);

one end of the guide part (6) is fixed on the inner wall of the valve body (1), and the other end of the guide part (6) is attached to the outer wall of the bucket (5).

6. The trap of claim 5,

the trap also comprises a plurality of limiting parts (7);

the limiting part (7) is arranged on the outer wall of the lifting bucket (5), wherein

The limiting part (7) positioned above can be attached to the guide part (6) to limit the downward movement of the bucket (5),

the limiting part (7) located below can be attached to the guide part (6) to limit the lifting bucket (5) to move upwards.

7. The trap of claim 6,

the valve is characterized in that the guide part (6) is provided with a plurality of layers, the guide part (6) on each layer is arranged around the axis array of the inner wall of the valve body (1), and the guide part (6) on each layer is arranged along the axis array of the inner wall of the valve body (1).

8. The trap of claim 7,

the guide part (6) comprises two guide columns (601), a guide rod (602) and a guide roller (603) which are arranged in parallel;

the guide post (601) is fixed on the inner wall of the valve body (1), a guide hole for inserting the guide rod (602) is formed in the guide post (601), the guide roller (603) is sleeved on the guide rod (602), and

one end of the guide roller (603) is attached to the outer wall of the lifting bucket (5).

9. The trap of claim 8,

the limiting part (7) comprises a limiting plate (701), an adjusting bolt (702), a transverse plate (703), a plurality of limiting springs (704) and a contact plate (705);

the limiting plate (701) is fixed on the outer wall of the bucket (5), a limiting hole is formed in the vertical direction of the limiting plate (701), one end of the adjusting bolt (702) is inserted into the limiting hole and is fixedly connected with the limiting plate (701) through a nut, the other end of the adjusting bolt (702) is fixedly connected with one end of the transverse plate (703), a plurality of limiting springs (704) are fixed at the other end of the adjusting bolt (702), a contact plate (705) is fixed at the end of each limiting spring (704), and

the contact plate (705) can be attached to the guide roller (603).

10. The trap of claim 9,

the trap also comprises a water sealing column (8) with a hollow inner part and a water inlet flow passage (103);

one end of the water inlet flow channel (103) is communicated with the water inlet (101), the other end of the water inlet flow channel (103) is communicated with the water sealing column (8), and the water inlet flow channel (103) is attached to the outer wall of the valve body (1);

the water sealing column (8) is arranged inside the lifting bucket (5), the water sealing column (8) is fixed on the inner bottom wall of the valve body (1), and the upper end face of the water sealing column (8) is higher than the opening end of the lifting bucket (5).

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