CN110726066A

CN110726066A - Bidirectional drain valve structure with easily-adjusted flow

Info

Publication number: CN110726066A
Application number: CN201911049219.XA
Authority: CN
Inventors: 曹雪勤; 陈冬冬
Original assignee: NANTONG LONGYUAN POWER VALVE CO Ltd
Current assignee: NANTONG LONGYUAN POWER VALVE CO Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-01-24

Abstract

The invention relates to the technical field of drain valves and discloses a bidirectional drain valve structure with easily-adjusted flow, which comprises a valve body, a sealing bolt, a fixed sleeve and a second fixed sleeve, wherein the sealing bolt is sleeved at one side of the bottom of the valve body in a threaded manner, the fixed sleeve and the second fixed sleeve are fixedly sleeved in the valve body, a first sealing cover is sleeved at the top of the fixed sleeve in a threaded manner, an adjusting mechanism is fixedly sleeved in the first sealing cover, a filter screen is sleeved between the fixed sleeve and the second fixed sleeve, and a lifting mechanism positioned on the inner side of the filter screen is movably sleeved in the. This two-way trap structure that flow easily adjusted uses through the cooperation of fixed cover, the fixed cover of second, filter screen and the sealed lid of second for the memory alloy spring can be located the lower position of valve body, and when hot water flowed into the valve body, the memory alloy spring can be prior to be heated the inflation with hot water contact with the globe valve jack-up, and is sealed through globe valve and apopore contact, in time realizes closing of globe valve.

Description

Bidirectional drain valve structure with easily-adjusted flow

Technical Field

The invention relates to the technical field of drain valves, in particular to a bidirectional drain valve structure with easily-adjusted flow.

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 flow regulating mechanism is not arranged in the existing partial drain valve, the flow of the drained condensed water is inconvenient to regulate, the memory alloy spring arranged inside the valve body is located at the higher position inside the drain valve, when hot water flows into the valve body, the memory alloy spring cannot preferentially contact the hot water, the hot partial heat can be absorbed by the valve body, the memory alloy spring cannot be heated and expanded in time, the spherical valve is closed, partial hot water can be drained, and the spherical valve is delayed in closing.

Disclosure of Invention

Aiming at the defects of the background art, the invention provides a bidirectional drain valve structure with easily-adjusted flow, and solves the problems in the background art.

The invention provides the following technical scheme: two-way trap structure of flow easily adjusting, cup joint the sealing bolt and the fixed cover of connecting in the inside fixed cover of valve body and second including valve body, screw thread in valve body bottom one side, the top screw thread of fixed cover has cup jointed first sealed lid, the fixed cover in inside of first sealed lid has cup jointed adjustment mechanism, the cover is equipped with the filter screen between the fixed cover of fixed cover and second, the inside movable sleeve of the fixed cover of second is equipped with the elevating system who is located the filter screen inboard, the bottom screw thread of the fixed cover of second has cup jointed the sealed lid of second, the inside intercommunication of sealing bolt one side is kept away from through connecting pipe and valve body to one side of fixed.

Preferably, the fixed sleeve is internally provided with a water outlet hole.

Preferably, the adjusting mechanism comprises a sealing sleeve fixedly sleeved inside the first sealing cover, a pull rod is sleeved inside the sealing sleeve in a movable mode, the diameter of the bottom end of the pull rod is larger than that of a steel ball of the inner diameter of a cylinder, and the top end of the pull rod is sleeved with the inner thread on the top end of the sealing sleeve.

Preferably, elevating system cup joints at the fixed cover of the fixed cover inside of second and be located the fixed disk of filter screen below including the activity, the top fixedly connected with of fixed disk is located the inboard stop collar of filter screen, the ejector pin has been cup jointed in the inside activity of stop collar, the ejector pin extends the fixed cover in the outside top of stop collar and has connect the limiting plate, and the ejector pin extends the fixed cover in the outside top of limiting plate and has connect the ball valve that the diameter is greater than the apopore internal diameter, the outside cover of stop collar is equipped with the memory alloy spring that is located between fixed disk and the.

Preferably, rectangular grooves which are symmetrically distributed are formed in the limiting sleeve.

The invention has the following beneficial effects:

1. this two-way trap structure that flow easily adjusted uses through the cooperation of fixed cover, the fixed cover of second, filter screen and the sealed lid of second for the memory alloy spring can be located the lower position of valve body, and when hot water flowed into the valve body, the memory alloy spring can be prior to be heated the inflation with hot water contact with the globe valve jack-up, and is sealed through globe valve and apopore contact, in time realizes closing of globe valve.

2. This two-way trap structure that flow easily adjusted uses through the cooperation of seal cover, pull rod and steel ball for the trap can adjust the interval between steel ball and the apopore through rotating the pull rod, and then adjusts the drainage flow of trap.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side partial schematic view of the structure of the present invention;

FIG. 3 is a top view of the structure of the present invention;

FIG. 4 is a schematic view of an adjustment mechanism of the present invention;

FIG. 5 is a schematic view of the lift mechanism of the present invention;

fig. 6 is a partial schematic view of a stop collar of the present invention.

In the figure: 1. a valve body; 2. a seal bolt; 3. fixing a sleeve; 4. a second fixing sleeve; 5. a first sealing cover; 6. an adjustment mechanism; 61. sealing sleeves; 62. a pull rod; 63. a steel ball; 7. a filter screen; 8. a lifting mechanism; 81. fixing the disc; 82. a limiting sleeve; 83. a top rod; 84. a limiting plate; 85. a ball valve; 86. a memory alloy spring; 9. a second sealing cover; 10. and (4) connecting the pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The drawings in the embodiments of the invention: the different types of hatching in the figures are not given the national standards, do not require the material of the elements, and distinguish between cross-sectional views of the elements in the figures.

Referring to fig. 1-6, a bidirectional steam trap structure with easily adjustable flow rate comprises a valve body 1, a sealing bolt 2 sleeved on one side of the bottom of the valve body 1 through a thread, a fixed sleeve 3 and a second fixed sleeve 4 fixedly connected inside the valve body 1, a first sealing cover 5 is sleeved on the top thread of the fixed sleeve 3, an adjusting mechanism 6 is fixedly sleeved inside the first sealing cover 5, a filter screen 7 is sleeved between the fixed sleeve 3 and the second fixed sleeve 4, a lifting mechanism 8 positioned on the inner side of the filter screen 7 is movably sleeved inside the second fixed sleeve 4, a second sealing cover 9 is sleeved on the bottom thread of the second fixed sleeve 4, and one side of the fixed sleeve 3 is communicated with the inside of the valve body 1 far away from the sealing bolt 2 through a connecting pipe 10.

Wherein, the inside of the fixed sleeve 3 is provided with a water outlet hole.

Wherein, adjustment mechanism 6 is including fixed cup joint at the inside seal cover 61 of first sealed lid 5, and the inside activity of seal cover 61 has cup jointed pull rod 62, and the bottom fixedly connected with diameter of pull rod 62 is greater than the steel ball 63 of cylindrical internal diameter, and the top of pull rod 62 cup joints with the inside screw thread on seal cover 61 top.

Wherein, elevating system 8 cup joints at the fixed disk 81 of the fixed cover 4 inside of second and being located filter screen 7 below including the activity, the top fixedly connected with of fixed disk 81 is located the inboard stop collar 82 of filter screen 7, the ejector pin 83 has been cup jointed in the inside activity of stop collar 82, the ejector pin 83 extends the fixed cover in the top of the stop collar 82 outside and has been connect limiting plate 84, and the ejector pin 83 extends the fixed cover in the top of limiting plate 84 outside and has connect the ball valve 85 that the diameter is greater than the apopore internal diameter, the outside cover of stop collar 82 is equipped with the memory alloy spring 86 that is located between fixed disk 81.

The limiting sleeve 82 is provided with symmetrically distributed rectangular grooves, the rectangular grooves can reduce the contact friction force between the limiting sleeve 82 and the ejector rod 83, and meanwhile negative pressure is formed in the limiting sleeve 82 when the ejector rod 83 is prevented from moving upwards, so that the memory alloy spring 86 can jack the spherical valve 85 easily.

When flowing into valve body 1 during air and vapor inside, air and vapor can be directly discharged from the one end of valve body 1 through connecting pipe 10 through the outlet, when making the condensate water flow into valve body 1 inside, filter the back through filter screen 7, the comdenstion water also can directly be discharged from the one end of valve body 1 through connecting pipe 10 through the outlet, when hot water flows into the inside of valve body 1, hot water directly contacts with memory alloy spring 86 after filter screen 7 filters, memory alloy spring 86 is heated and expands, memory alloy spring 86 pushes up globe valve 85 through limiting plate 84, contact through globe valve 85 and apopore, realize closing of trap.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Two-way trap structure that flow easily adjusted, including valve body (1), screw cup joint sealing bolt (2) and the fixed cover of fixed cover (3) and the fixed cover of second (4) of fixing at valve body (1) inside in valve body (1) bottom one side, its characterized in that: the top screw thread of fixed cover (3) has cup jointed first sealed lid (5), the inside of first sealed lid (5) is fixed to have cup jointed adjustment mechanism (6), the cover is equipped with filter screen (7) between the fixed cover of fixed cover (3) and second (4), the inside activity cover of the fixed cover of second (4) is equipped with elevating system (8) that are located filter screen (7) inboard, the bottom screw thread of the fixed cover of second (4) has cup jointed the sealed lid of second (9), the inside intercommunication of sealing bolt (2) one side is kept away from through connecting pipe (10) and valve body (1) in one side of fixed cover (3).

2. The flow-regulating, bi-directional trap structure of claim 1 wherein: a water outlet hole is formed in the fixed sleeve (3).

3. The flow-regulating, bi-directional trap structure of claim 1 wherein: adjustment mechanism (6) including fixed cup joint seal cover (61) inside first sealed lid (5), pull rod (62) have been cup jointed in the inside activity of seal cover (61), the bottom fixedly connected with diameter of pull rod (62) is greater than steel ball (63) of cylindrical internal diameter, the top of pull rod (62) and the inside screw thread on seal cover (61) top cup joint.

4. The flow-regulating, bi-directional trap structure of claim 1 wherein: elevating system (8) cup joint fixed disk (81) of fixed cover (4) inside and being located filter screen (7) below including the activity at the second, the top fixedly connected with of fixed disk (81) is located filter screen (7) inboard stop collar (82), ejector pin (83) have been cup jointed in the inside activity of stop collar (82), ejector pin (83) extend the fixed cover in the top of stop collar (82) outside and have connect limiting plate (84), and ejector pin (83) extend the fixed cover in the top of limiting plate (84) outside and have connect ball valve (85) that the diameter is greater than the apopore internal diameter, the outside cover of stop collar (82) is equipped with memory alloy spring (86) that is located between fixed disk (81) and limiting plate (84).

5. The flow-regulating, bi-directional trap structure of claim 4 wherein: rectangular grooves which are symmetrically distributed are formed in the limiting sleeve (82).