CN211875655U

CN211875655U - Adjustable floating ball type steam trap

Info

Publication number: CN211875655U
Application number: CN201921626470.3U
Authority: CN
Inventors: 梁艳燕
Original assignee: Hanvalve Valve Co ltd
Current assignee: Hanvalve Valve Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-11-06
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses an adjustable float ball formula steam trap in trap technical field draws together valve body, first communicating pipe and second communicating pipe, the water inlet of valve body, delivery port pass through the reversing shaft respectively with first communicating pipe, second communicating pipe one-to-one intercommunication in turn. The utility model can be installed in the wrong direction of the valve body by only rotating the reversing shaft without dismounting and reinstalling; the reversing shaft is fixed under the condition that the key core is not opened by a key, so that misoperation is avoided, and a safety is added.

Description

Adjustable floating ball type steam trap

Technical Field

The utility model relates to a drain valve technical field specifically is an adjustable floating ball formula steam drain valve.

Background

The floating ball type steam trap is installed in the pipeline of steam and steam equipment system, and can automatically remove the condensed water in the pipeline to improve the steam conveying efficiency of the pipeline. The float ball type steam trap utilizes the principle of buoyancy to make the float ball in the valve body do lifting motion along with the change of water level. The floating ball rises and falls along with the rise and fall of the liquid level of the condensed water in the cavity of the valve body, and the hollow floating ball moves around the fulcrum of the valve seat to open and close the valve under the action of gravity and siphon, so that the functions of draining water and blocking steam are achieved. The size of the water quantity condensed determines the size of a water discharge hole on the valve clack for opening the valve seat, and the valve seat is always positioned below the water seal to work. The low-temperature condensed water enters the drain valve, the floating ball rises along with the liquid level of the condensed water to form a water seal without leaking steam, the valve is opened, the condensed water is automatically separated from the steam by the steam drain valve and is discharged out of the equipment, and the steam quickly enters the equipment. Therefore, the drain valve is an automatic valve and an energy-saving device.

When the existing floating ball type steam trap is installed, attention needs to be paid to the fact that the direction of an arrow on an equipment body is consistent with the flowing direction of water flow in a pipeline, and the existing floating ball type steam trap needs to be detached and installed again after the direction is installed wrongly.

Based on this, the utility model designs an adjustable floating ball formula steam trap to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable floating ball formula steam trap to the arrow point direction that needs to pay attention to on the equipment body when the installation of the current floating ball formula steam trap that proposes in solving above-mentioned background art will keep unanimous with the interior rivers flow direction of pipeline, need tear down after the direction installation mistake and reinstall more troublesome problem.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable floating ball type steam trap valve comprises a valve body, a first communicating pipe and a second communicating pipe, wherein a water inlet and a water outlet of the valve body are respectively communicated with the first communicating pipe and the second communicating pipe in a one-to-one correspondence and alternative mode through reversing shafts.

Preferably, one end of the reversing shaft is positioned outside the valve body and is connected with a rotating wheel.

Preferably, the reversing shaft is connected to the inside of the valve body, and the reversing shaft is in liquid-tight rotary connection with the inside of the valve body.

Preferably, the gear box further comprises a key core, a worm, a rack and a spline wheel, wherein the spline wheel is coaxially fixed on the outer wall of the reversing shaft, the worm and the key core are coaxially connected into a whole, and the worm and the rack are meshed to drive the rack to be abutted to or separated from the spline wheel.

Preferably, one side of the spline wheel, which is close to the rack, is provided with a first spline, and one end of the rack, which is close to the spline wheel, is provided with a second spline which is meshed with the first spline.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model realizes the one-to-one alternate communication between the water inlet and the water outlet of the valve body and the first communicating pipe and the second communicating pipe respectively through the rotatable reversing shaft, and only the reversing shaft needs to be rotated after the direction is wrongly installed without dismounting and reinstalling; the second spline at one end of the rack is meshed with the first spline on the side wall of the spline wheel, so that the reversing shaft is fixed under the condition that the key core is not opened by a key, misoperation is avoided, and a safety is added.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of the reversing shaft of the present invention;

FIG. 4 is a main sectional view of the inside of the reversing shaft of the present invention;

fig. 5 is a side sectional view of fig. 4.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a valve body; 11. a water inlet; 12. a water outlet; 2. a first communication pipe; 3. a second communicating pipe; 4. A reversing shaft; 5. a rotating wheel; 6. a key cylinder; 7. a worm; 8. a rack; 9. a spline wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

An adjustable floating ball type steam trap comprises a valve body 1, a first communicating pipe 2 and a second communicating pipe 3, wherein a water inlet 11 and a water outlet 12 of the valve body 1 are communicated with the first communicating pipe 2 and the second communicating pipe 3 in a one-to-one correspondence and alternative mode through reversing shafts 4.

Furthermore, one end of the reversing shaft 4 is located outside the valve body 1 and is connected with a rotating wheel 5, so that the reversing shaft 4 is conveniently driven to rotate.

Furthermore, the reversing shaft 4 is connected inside the valve body 1, and the reversing shaft 4 is in liquid-tight rotary connection with the inside of the valve body 1.

Further, the gear box further comprises a key core 6, a worm 7, a rack 8 and a spline wheel 9, wherein the spline wheel 9 is coaxially fixed on the outer wall of the reversing shaft 4, the worm 7 and the key core 6 are coaxially connected into a whole, the worm 7 and the rack 8 are meshed to drive the rack 8 to be abutted against or separated from the spline wheel 9, misoperation of external personnel is avoided, and a safety is added.

Furthermore, a first spline is arranged on one side of the spline wheel 9 close to the rack 8, and a second spline meshed with the first spline is arranged on one end of the rack 8 close to the spline wheel 9.

The utility model discloses an embodiment:

the valve body 1 is the prior art of the floating ball type steam trap, and the internal structure of the valve body 1 is not the key point for protection of the scheme.

The water inlet 11 of the valve body 1 is communicated with the first communicating pipe 2 through the reversing shaft 4, and the water outlet 12 of the valve body 1 is communicated with the second communicating pipe 3 through the reversing shaft 4.

The direction error is found after the first communicating pipe 2, the second communicating pipe 3 and the external pipeline are fixedly connected, a key matched with a key core 6 is inserted into the key core 6 and rotates the key core 6, the key core 6 drives a worm 7 to rotate, the worm 7 rotates to drive a rack 8 to be far away from a meshed spline wheel 9 along the axis direction of the worm 7, at the moment, a reversing shaft 4 is driven to rotate through a rotating wheel 5, a water inlet 11 of a valve body 1 is communicated with the second communicating pipe 3 through the reversing shaft 4, a water outlet 12 of the valve body 1 is communicated with the first communicating pipe 2 through the reversing shaft 4, the fact that the flowing direction of water in the valve body 1 and the pipeline is kept consistent can be achieved, and the valve body does not need to be detached.

In order to avoid that an external person carelessly or intentionally changes the flowing direction of water flow in the valve body 1 and the pipeline, the key drives the key core 6 to rotate, the key core 6 drives the worm 7 to rotate, the worm 7 rotates to drive the rack 8 to be close to the spline wheel 9 along the axial direction of the worm 7, so that a second spline at one end of the rack 8 is meshed with a first spline on the side wall of the spline wheel 9, the key is drawn out to fix the reversing shaft 4, and the reversing shaft 4 cannot rotate when no key is inserted into the key core 6.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," 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, the schematic representations of the terms used above do 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.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an adjustable floating ball formula steam trap, includes valve body (1), first communicating pipe (2) and second communicating pipe (3), its characterized in that: the water inlet (11) and the water outlet (12) of the valve body (1) are respectively communicated with the first communicating pipe (2) and the second communicating pipe (3) in a one-to-one correspondence and alternate mode through the reversing shaft (4).

2. An adjustable float-ball steam trap as set forth in claim 1 wherein: one end of the reversing shaft (4) is positioned outside the valve body (1) and is connected with a rotating wheel (5).

3. An adjustable float-ball steam trap as set forth in claim 1 wherein: the reversing shaft (4) is connected inside the valve body (1), and the reversing shaft (4) is in liquid-tight rotary connection with the inside of the valve body (1).

4. An adjustable float-ball steam trap as set forth in claim 3 wherein: the gear box is characterized by further comprising a key core (6), a worm (7), a rack (8) and a spline wheel (9), wherein the spline wheel (9) is coaxially fixed on the outer wall of the reversing shaft (4), the worm (7) and the key core (6) are coaxially connected into a whole, and the worm (7) and the rack (8) are meshed to drive the rack (8) to be abutted to or separated from the spline wheel (9).

5. An adjustable float-ball steam trap as set forth in claim 4 wherein: a first spline is formed in one side, close to the rack (8), of the spline wheel (9), and a second spline meshed with the first spline is arranged at one end, close to the spline wheel (9), of the rack (8).