CN220706535U

CN220706535U - Drain valve

Info

Publication number: CN220706535U
Application number: CN202322488810.3U
Authority: CN
Inventors: 林光妙; 林淼东
Original assignee: Xiutai Fluid Technology Co ltd
Current assignee: Xiutai Fluid Technology Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-04-02
Anticipated expiration: 2033-09-13

Abstract

The utility model relates to the technical field of hydraulic engineering and discloses a drain valve which comprises a valve body and a turntable body, wherein a rectangular opening is formed in the center of the bottom surface of the turntable body, a rectangular column is inserted into the rectangular opening, flanges are fixedly connected to two ends of the valve body, sealing mechanisms are connected to the outer surfaces of the flanges in an inserting mode, each sealing mechanism comprises a sealing gasket, a clamping ring, a round hole and a first through hole, and the clamping rings are fixedly connected to the middle parts of the surfaces of two sides of the sealing gasket. According to the drain valve, through the rotary table body, the rectangular opening, the rectangular column and the sealing mechanism, the problem that the sealing gasket cannot be placed at the middle position of the flange disc quickly, is difficult to place at the accurate position, and is poor in sealing performance due to the fact that water leakage still exists between the two flange discs is easily caused is solved; or the rotating turntable is usually welded on the top end of the valve rod in a fixed and integrated manner, and can be rotated by outsiders at will when the valve rod is applied to a river, so that the valve rod has the problem of unnecessary trouble.

Description

Drain valve

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a drain valve.

Background

The drain valve is a valve, also called a steam trap, and a drain valve is used for draining condensed water in a steam system as soon as possible, and simultaneously, preventing steam leakage to the greatest extent. The variety of the drain valve is many, and various performances are different, wherein the mechanical drain valve comprises a bucket type structure and a floating ball type structure, and the common point is that in the use process, the buoyancy of the condensed water is used for pushing the bucket body or the floating ball to rise and fall, the bucket body or the floating ball is required to be vertically arranged in the inner cavity of the valve, but the following defects still exist in the actual use:

at present, when the existing drain valve is connected between the flange plates, a sealing gasket is generally placed between the two flange plates, the placed position of the sealing gasket cannot be rapidly placed at the middle position of the flange plates, the sealing gasket is difficult to place at an accurate position, and poor sealing performance is easily caused by the fact that water leakage still exists between the two flange plates; or the existing drain valve is characterized in that when the existing drain valve is used, the rotary turntable is welded at the top end of the valve rod in a fixed integral mode, disassembly cannot be carried out, and when the existing drain valve is applied to a river, the existing drain valve can be rotated by outsiders at will, so that unnecessary troubles are caused, and therefore, the existing drain valve needs to be changed into and out of the drain valve to solve the problems.

Disclosure of Invention

The present utility model is directed to a drain valve to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the drain valve comprises a valve body and a turntable body, wherein a rectangular opening is formed in the center of the bottom surface of the turntable body, a rectangular column is inserted into the rectangular opening, flanges are fixedly connected to two ends of the valve body, a sealing mechanism is connected to the outer surface of the flanges in an inserting mode, the sealing mechanism comprises a sealing gasket, a clamping ring, a round hole and a first through hole, the clamping ring is fixedly connected to the middle portions of the surfaces of two sides of the sealing gasket, and the sealing gasket is used for sealing gaps between the flanges; the clamping ring is used for quickly splicing and connecting the sealing mechanism on one side surface of the flange plate.

Preferably, the first through hole penetrates through the sealing gasket arranged in the clamping ring, and the round hole uniformly penetrates through the outer edge of the sealing gasket; the first through hole is used for passing liquid or gas, and the round hole is used for penetrating the connecting piece between the two flanges.

Preferably, a circular groove is formed in the center of the outer surface of the flange plate, the clamping ring is inserted into the circular groove, the size of the clamping ring is matched with that of the circular groove, and the circular groove is used for inserting the clamping ring; the size of the clamping ring is matched with the size of the circular groove, so that the sealing gasket is firmly inserted.

Preferably, a stud is fixedly connected to the middle part of the upper surface of the valve body, a valve cover is sleeved on the peripheral surface of the stud, and a nut is connected to the peripheral surface of the stud in a threaded manner; the screw bolt and the nut are used for connecting the valve cover and the valve body in a threaded manner, so that the valve is convenient to detach.

Preferably, the middle part of the top end of the valve cover is fixedly connected with a bracket, the middle part of the bottom end of the inner bottom of the bracket is fixedly connected with a cylinder, and the top end of the cylinder is fixedly connected with a triangular block; the support is used for supporting the hollow tube, and the triangular block and the cylinder are used for penetrating the valve rod.

Preferably, a second through hole is formed in the middle of the top end of the bracket, the middle of the top end of the bracket is fixedly connected with a hollow pipe, a strip-shaped notch is formed in the peripheral surface of one side of the hollow pipe, and a valve rod is inserted into the second through hole and the middle in the hollow pipe; the second through hole and the hollow tube are used for penetrating the valve rod and protecting the valve rod.

Compared with the prior art, the utility model provides the drain valve, which has the following beneficial effects:

1. this trap, through the sealing mechanism who sets up, have and place sealed pad effect between two ring flanges fast, solved current trap, when carrying out the connection between the ring flange, generally place sealed pad between two ring flanges, the position that sealed pad was placed can't place in ring flange middle part position department fast, be difficult to put accurate position, still lead to still having the condition that leaks between two ring flanges to lead to its leakproofness relatively poor problem easily, the one side that two ring flanges are hugged closely is provided with the circular slot, the both sides fixed surface connection snap ring of sealed pad on the sealing mechanism, and the size of snap ring and the size of circular slot agree with each other, with sealed pad through the snap ring card in the circular slot of ring flange, can place sealing mechanism fast.

2. This trap, through the carousel body that sets up, rectangular mouth and rectangle post, have convenient to detach carousel, with prevent that the outsider from rotating the carousel at will and lead to unnecessary trouble effect, current trap has been solved, when using, its carousel that rotates is the welding of fixed integral type generally on the top of valve rod, unable dismantlement, when using in the river, can be rotated by the outsider at will, thereby lead to unnecessary trouble problem, set up the rectangle mouth at the middle part in carousel body bottom surface, the top surface middle part fixed rectangle post of valve rod inserts the rectangle post in the rectangle mouth, can realize the quick assembly disassembly of carousel body, and rotate the carousel body, can drive the valve rod and rotate.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a connection structure of a turntable body according to the present utility model;

FIG. 3 is a schematic view of the connection structure of the valve body and the flange plate of the present utility model;

fig. 4 is a schematic structural view of a sealing mechanism of the present utility model.

In the figure: 1. a valve body; 2. a flange plate; 201. a circular groove; 3. a sealing mechanism; 301. a sealing gasket; 302. a clasp; 303. a round hole; 304. a first through hole; 4. a stud; 5. a nut; 6. a valve cover; 7. a valve stem; 8. a bracket; 801. a second through hole; 9. a hollow tube; 901. a bar-shaped notch; 10. a turntable body; 1001. a rectangular opening; 11. rectangular columns; 12. triangular blocks; 13. a cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples:

referring to fig. 1-4, the present utility model provides a technical solution: the drain valve comprises a valve body 1 and a turntable body 10, wherein a rectangular opening 1001 is formed in the center of the bottom surface of the turntable body 10, a rectangular column 11 is inserted into the rectangular opening 1001, two ends of the valve body 1 are fixedly connected with flange plates 2, the outer surfaces of the flange plates 2 are connected with a sealing mechanism 3 in an inserting mode, the sealing mechanism 3 comprises a sealing gasket 301, a clamping ring 302, a round hole 303 and a first through hole 304, and the clamping ring 302 is fixedly connected to the middle parts of the surfaces of two sides of the sealing gasket 301; the first through hole 304 penetrates through the sealing gasket 301 arranged in the clamping ring 302, and the round hole 303 uniformly penetrates through the outer edge of the sealing gasket 301; a circular groove 201 is formed in the center of the outer side surface of the flange plate 2, a clamping ring 302 is inserted into the circular groove 201, and the size of the clamping ring 302 is matched with that of the circular groove 201;

working principle: when the drain valve is used, the turntable body 10, the rectangular opening 1001 and the rectangular column 11 are arranged for maintaining, disassembling or replacing the turntable, the sealing mechanism 3 is arranged for rapidly placing the sealing gasket 301 between the two flange plates 2, the rectangular opening 1001 is arranged in the middle of the bottom surface of the turntable body 10, the rectangular column 11 is fixed in the middle of the top surface of the valve rod 7, the rectangular column 11 is inserted into the rectangular opening 1001, the quick disassembly of the turntable body 10 can be realized, the turntable body 10 can be rotated, the valve rod 7 can be driven to rotate, circular grooves 201 are formed in one surface, which is tightly attached to the two flange plates 2, of the sealing mechanism 3, the two side surfaces of the sealing gasket 301 are fixedly connected with snap rings 302, the size of the snap rings 302 is matched with the size of the circular grooves 201, the sealing gasket 301 is clamped in the circular grooves 201 of the flange plates 2 through the snap rings 302, and the sealing mechanism 3 can be rapidly placed; the sealing gasket 301 is used for sealing gaps between the flanges 2, the clamping ring 302 is used for quickly splicing the sealing mechanism 3 on the surface of one side of the flange 2, the sealing mechanism 3 is spliced in the circular groove 201 of the flange 2, and then the circular groove 201 of the outer flange 2 is spliced on the clamping ring 302 on the other side of the sealing mechanism 3; the circular groove 201 is used for inserting the snap ring 302, and the size of the snap ring 302 is matched with the size of the circular groove 201, so that the sealing gasket 301 is firmly inserted.

As shown in fig. 1 and 2, a stud 4 is fixedly connected to the middle part of the upper surface of the valve body 1, a valve cover 6 is sleeved on the peripheral surface of the stud 4, a nut 5 is in threaded connection with the peripheral surface of the stud 4, through the arranged stud 4 and nut 5, the valve cover 6 and the valve body 1 can be disassembled by screwing the nut 5 anticlockwise, otherwise, the valve cover 6 and the valve body 1 are installed, the valve cover 6 and the valve body 1 are not allowed to be disassembled privately, the middle part of the top end of the valve cover 6 is fixedly connected with a bracket 8, the middle part of the bottom end of the bracket 8 is fixedly connected with a cylinder 13, the top end of the cylinder 13 is fixedly connected with a triangular block 12, through the arranged bracket 8, the hollow pipe 9 is supported, through the arranged triangular block 12 and the cylinder 13, the penetrating of the valve rod 7 is realized, the middle part of the top end of the bracket 8 is provided with a second through hole 801, the middle part of the bracket 8 is fixedly connected with the hollow pipe 9, the peripheral surface on one side of the hollow pipe 9 is provided with a bar-shaped notch 901, the middle part of the second through hole 801 and the hollow pipe 9 is inserted into the valve rod 7, through the second through hole 801 and the hollow pipe 9, the penetrating through the second through hole 801 and the hollow pipe 9 is used for protecting the valve rod 7, and the penetrating and the valve rod 7 is attractive and the penetrating and protecting function of the valve rod 7 is realized.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. The utility model provides a drain valve, its characterized in that, includes valve body (1) and carousel body (10), carousel body (10) bottom surface center department is provided with rectangle mouth (1001), and inside rectangle post (11) of having inserted of rectangle mouth (1001), valve body (1) both ends fixedly connected with ring flange (2), and ring flange (2) surface grafting is connected with sealing mechanism (3), sealing mechanism (3) are including sealed pad (301), snap ring (302), round hole (303) and first through-hole (304), and snap ring (302) fixedly connected with in the surface middle part in sealed pad (301) both sides.

2. The drain valve according to claim 1, wherein the sealing gasket (301) inside the snap ring (302) is provided with a first through hole (304) in a penetrating manner, and the circular hole (303) is uniformly provided on the outer edge of the sealing gasket (301) in a penetrating manner.

3. The drain valve according to claim 1, wherein a circular groove (201) is formed in the center of the outer side surface of the flange plate (2), the snap ring (302) is inserted into the circular groove (201), and the size of the snap ring (302) is matched with the size of the circular groove (201).

4. The drain valve according to claim 1, wherein a stud (4) is fixedly connected to the middle part of the upper surface of the valve body (1), a valve cover (6) is sleeved on the peripheral surface of the stud (4), and a nut (5) is connected to the peripheral surface of the stud (4) in a threaded manner.

5. The drain valve according to claim 4, wherein the middle part of the top end of the valve cover (6) is fixedly connected with a support (8), the middle part of the bottom end in the support (8) is fixedly connected with a cylinder (13), and the top end of the cylinder (13) is fixedly connected with a triangular block (12).

6. The drain valve according to claim 5, wherein a second through hole (801) is formed in the middle of the top end of the support (8), a hollow tube (9) is fixedly connected to the middle of the top end of the support (8), a strip-shaped notch (901) is formed in the peripheral surface of one side of the hollow tube (9), and a valve rod (7) is inserted into the second through hole (801) and the middle of the hollow tube (9).