CN209959917U

CN209959917U - Valve with good anti-freezing effect

Info

Publication number: CN209959917U
Application number: CN201920507305.XU
Authority: CN
Inventors: 冷伯荣; 徐中亮; 丁梅; 蒋其
Original assignee: Suzhou Yueda Valve Co Ltd
Current assignee: Suzhou Yueda Valve Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-01-17
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses an effectual valve prevents frostbite, store the box including rubber seal plug, spliced pole, net dish, valve casing, opening and close piece, the cotton packing block that keeps warm, valve column, carousel, insulation material filler, sealing washer, lifting screw, bottom plate, sealing ring, position nut, heat preservation box, input-output tube and heat preservation liquid. The utility model discloses a set up the through-hole bottom the valve both ends, and set up the rubber sealing plug in the through-hole, under the lower condition of ambient temperature, can rotate positioning nut in advance and extract the rubber sealing plug from the exit of water at the both ends of valve shell, guarantee the quick discharge of liquid that gets into, prevent that the liquid that has the backward flow in the pipeline from accumulating in the inner chamber of the valve of closing, the piece that opens and shuts that leads to valve inner chamber freezes or directly freezes inside the jam valve, the valve that causes can't adapt to the jam of pipeline.

Description

Valve with good anti-freezing effect

Technical Field

The utility model relates to a valve specifically is a valve that prevents frostbite effectually, belongs to valve gear application technical field.

Background

The valves are used for opening and closing pipelines, controlling flow direction, adjusting and controlling parameters of conveying media, and can be divided into shut-off valves, check valves, regulating valves and the like according to functions of the valves, wherein the valves are control parts in a fluid conveying system and have functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure, and the valves used for the fluid control system range from the simplest stop valves to various valves used in extremely complex automatic control systems, and the variety and the specification of the valves are quite various.

When current valve is in use, under the lower circumstances of external environment, can discharge the fluid in the pipeline, prevent that the valve from freezing, because the fluid in the pipeline is difficult to discharge totally, some adverse current or remaining liquid convergence gather in the valve inner chamber after the valve is closed, still can cause freezing of valve to influence normal use, and when low temperature outdoor use valve, the inside jam that freezes of valve is led to the fact very easily to the low temperature air direct contact valve, is difficult to continue to use. Therefore, a valve with good anti-freezing effect is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a valve that prevents frostbite effectually in order to solve above-mentioned problem.

The utility model realizes the purpose through the following technical proposal, and the valve with good anti-freezing effect comprises a valve integral mechanism, an anti-backflow icing mechanism and an external heat preservation mechanism;

the integral valve mechanism comprises a valve shell, an opening and closing part, a valve column, a rotary disc and a sealing ring, wherein the middle part of an inner cavity at the top end of the valve shell is rotatably connected with the valve column, the top end of the valve column extends to the top end of the valve shell, the top end of the valve column is fixedly connected with the middle part of the bottom end of the rotary disc, the bottom end of the valve column extends to the middle part of the inner cavity of the valve shell, the bottom end of the valve column is fixedly connected with the opening and closing part, two ends of the opening and closing part are lapped with the sealing ring, and the outer side of the sealing;

the anti-countercurrent icing mechanism comprises a rubber sealing plug, a connecting column, a net disc, a lifting screw rod, a bottom plate and a sealing ring, wherein circular through holes are formed in the bottom ends of two sides of the valve shell, the rubber sealing plug is tightly inserted in the inner cavity of the circular through hole, the rubber sealing plug is adhered and sleeved at the bottom of the connecting column, the top end of the connecting column is fixedly connected with the middle part of the bottom end of the net disc, the bottom end of the connecting column is fixedly connected with the middle part of the top end of the bottom plate, the bottom plate is located at the bottom end of the valve shell, the lifting screw rod penetrates through two sides of the bottom plate in a sliding mode, the top end of the lifting screw rod is fixedly connected to;

the external heat-insulation mechanism comprises a heat-insulation box, a heat-insulation cotton filling block, a heat-insulation material filling material, an input output pipe and a heat-insulation liquid storage box, the heat-insulation box is sleeved at the middle part of the outer side of the valve shell, the heat-insulation material filling material is filled in inner cavities of side walls on two sides of the heat-insulation box, the heat-insulation liquid storage box is fixedly connected to two sides of the inner cavity of the heat-insulation box, the middle parts of two ends of the heat-insulation liquid storage box are communicated with one end of the input output pipe, and the two ends of the heat-insulation liquid storage.

Preferably, the cross section area of the bottom of the rubber sealing plug is consistent with the cross section area of the inner cavity of the circular through hole formed in the bottom ends of the two sides of the valve shell.

Preferably, the length of the lifting screw is greater than the length of the inner cavity of the circular through hole formed in the bottom end of the two sides of the valve shell.

Preferably, the input and output pipe is a cylindrical pipe body, and the end part of the input and output pipe, which is far away from the heat preservation box, is in threaded connection with a sealing cover.

Preferably, the rubber sealing plug is a cylindrical rubber block with a truncated cone-shaped bottom end, and the rubber sealing plugs are symmetrically distributed on two sides of the valve shell.

Preferably, the opening and closing piece is oval, and two sides of the opening and closing piece are communicated with a cylindrical through hole.

The utility model has the advantages that:

1. through arranging the through holes at the bottoms of the two ends of the valve and arranging the rubber sealing plugs in the through holes, the positioning screw cap can be rotated in advance to pull out the rubber sealing plugs from water inlets and water outlets at the two ends of the valve shell under the condition of low environmental temperature, so that the rapid discharge of the entering liquid is ensured, and the situation that the backflow liquid in the pipeline is accumulated in the inner cavity of the closed valve to cause the freezing of a starting and closing part of the inner cavity of the valve or the direct freezing and blocking of the inner part of the valve, and the valve cannot adapt to the blocking of the pipeline is avoided;

2. through cup jointing the heat preservation box in the outside of valve, through the cotton filling block of heat preservation in the insulation material filler in the heat preservation box lateral wall and the heat preservation box inner chamber, prevent that external low temperature air from contacting the lateral wall of valve, cause freezing of the inside fluid of valve, and store the box through fixed connection heat preservation liquid in the inner chamber of heat preservation box, can store the box to heat preservation liquid and pour into the fluid after the heating under the lower condition of ambient temperature, improve the temperature of valve inner chamber, guarantee the inside unblocked of valve in the one end time.

Drawings

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

FIG. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is a schematic view of the overall external structure of the present invention;

FIG. 3 is a schematic top view of the bottom surface of the present invention;

fig. 4 is a schematic view of the internal structure of the heat preservation box of the present invention.

In the figure: 1. the device comprises a rubber sealing plug, 2, a connecting column, 3, a net disc, 4, a valve shell, 5, an opening and closing part, 6, a heat-preservation cotton filling block, 7, a valve column, 8, a rotating disc, 9, a heat-preservation material filling material, 10, a sealing ring, 11, a lifting screw, 12, a bottom plate, 13, a sealing ring, 14, a positioning screw cap, 15, a heat-preservation box, 16, an input and output pipe, 17 and a heat-preservation liquid storage box.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, 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.

Referring to fig. 1-4, a valve with good anti-freezing effect includes a valve integral mechanism, an anti-backflow icing mechanism and an external heat-preserving mechanism;

the integral valve mechanism comprises a valve shell 4, an opening and closing part 5, a valve column 7, a rotary disc 8 and a sealing ring 10, wherein the middle part of an inner cavity at the top end of the valve shell 4 is rotatably connected with the valve column 7, the top end of the valve column 7 extends to the top end of the valve shell 4, the top end of the valve column 7 is fixedly connected with the middle part of the bottom end of the rotary disc 8, the bottom end of the valve column 7 extends to the middle part of the inner cavity of the valve shell 4, the bottom end of the valve column 7 is fixedly connected with the opening and closing part 5, two ends of the opening and closing part 5 are lapped with the sealing ring 10, and the outer side of the sealing ring 10;

the anti-countercurrent icing mechanism comprises a rubber sealing plug 1, a connecting column 2, a net disc 3, a lifting screw 11, a bottom plate 12 and a sealing ring 13, wherein circular through holes are formed in the bottom ends of two sides of a valve shell 4, the rubber sealing plug 1 is tightly inserted in the inner cavity of each circular through hole, the rubber sealing plug 1 is adhered and sleeved at the bottom of the connecting column 2, the top end of the connecting column 2 is fixedly connected with the middle of the bottom end of the net disc 3, the bottom end of the connecting column 2 is fixedly connected to the middle of the top end of the bottom plate 12, the bottom plate 12 is positioned at the bottom end of the valve shell 4, the lifting screw 11 penetrates through two sides of the bottom plate 12 in a sliding mode, the top end of the lifting screw 11 is fixedly connected to the bottom of the valve shell 4, and a positioning nut 14 is sleeved on the;

the outside heat preservation mechanism stores box 17 including heat preservation box 15, heat preservation cotton filling block 6, insulation material filler 9, input output tube 16 and heat preservation liquid, heat preservation box 15 cup joints in the outside middle part of valve casing 4, it has insulation material filler 9 to fill in heat preservation box 15's the both sides lateral wall inner chamber, heat preservation box 15's inner chamber both sides fixedly connected with heat preservation liquid stores box 17, heat preservation liquid stores box 17's both ends middle part intercommunication input output tube 16's one end, two one side adhesive connection that heat preservation liquid stores box 17 and is close to each other has heat preservation cotton filling block 6, realizes keeping apart the heat preservation to the valve.

The cross section area of the bottom of the rubber sealing plug 1 is consistent with the cross section area of the inner cavity of the circular through hole formed at the bottom ends of the two sides of the valve shell 4, so that the sealing and opening functions are realized; the length of the lifting screw 11 is greater than the length of the inner cavity of the circular through hole formed at the bottom ends of the two sides of the valve shell 4, so that accumulated water in the inner cavity of the valve shell 4 can be conveniently discharged; the input and output pipe 16 is a cylindrical pipe body, and the end part of the input and output pipe 16, which is far away from the heat preservation box 15, is in threaded connection with a sealing cover, so that high-temperature liquid can be conveniently injected into the inner cavity of the heat preservation liquid storage box 17; the rubber sealing plug 1 is a cylindrical rubber block with a truncated cone-shaped bottom end, and the rubber sealing plugs 1 are symmetrically distributed on two sides of the valve shell 4 to seal the valve shell 4; the opening and closing piece 5 is oval, and cylindrical through holes are communicated with two sides of the opening and closing piece 5, so that the opening and closing functions are realized.

The utility model discloses when using, when ambient temperature is about to reduce, rotatory carousel 8 makes opening and closing member 5 rotate in the inner chamber of valve shell 4 through rotating valve post 7, make the inside through-hole of opening and closing member 5 not communicate with the connector at valve shell 4 both ends, realize closing to the valve, prevent the freezing jam that the fluid caused through the inner chamber of valve shell 4, move set nut 14 to the lower extreme of lifting screw 11 through rotatory set nut 14, pull out rubber sealing plug 1 from the inner chamber of valve shell 4 through pulling bottom plate 12, and make the through-hole top of net dish 3 overlap joint in valve shell 4 inner chamber both sides, guarantee that the remaining fluid of backward flow in time discharges, prevent to freeze in the inner chamber of valve shell 4 and block up the valve;

through setting up at the outside box 15 that keeps warm of valve casing 4, insulation material filler 9 through filling in the box 15 side lateral wall inner chamber that keeps warm, reduce external low temperature air contact valve casing 4, slow down the cooling rate of the 4 inner chambers of valve casing, reduce the inside normal atmospheric temperature fluidic radiating rate of passing through of valve casing 4 through the cotton filling block 6 of heat preservation of parcel in the valve casing 4 outside, when the temperature is low excessively, can pour into the inner chamber that the box 17 was stored to heat preservation liquid through top input output tube 16 with high temperature, indicate the lateral wall temperature of valve casing 4, the inside temperature of box 17 is stored to heat preservation liquid loses behind the heating function, can open the input output tube 16 of bottom and discharge liquid, be used for guaranteeing when conducting some important special liquid, prevent that liquid from freezing and stopping up the operation that influences whole transmission line.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an effectual valve prevents frostbite which characterized in that: the system comprises a valve integral mechanism, an anti-reflux icing mechanism and an external heat-insulating mechanism;

the integral valve mechanism comprises a valve shell (4), an opening and closing piece (5), a valve column (7), a rotary disc (8) and a sealing ring (10), wherein the middle part of the top end inner cavity of the valve shell (4) is rotatably connected with the valve column (7), the top end of the valve column (7) extends to the top end of the valve shell (4), the top end of the valve column (7) is fixedly connected with the middle part of the bottom end of the rotary disc (8), the bottom end of the valve column (7) extends to the middle part of the inner cavity of the valve shell (4), the bottom end of the valve column (7) is fixedly connected with the opening and closing piece (5), two ends of the opening and closing piece (5) are lapped with the sealing ring (10), and the outer side of the sealing ring (10) is bonded and connected in the inner;

the anti-reflux icing mechanism comprises a rubber sealing plug (1), a connecting column (2), a net disc (3), a lifting screw (11), a bottom plate (12) and a sealing ring (13), the bottom ends of the two sides of the valve shell (4) are provided with circular through holes, the inner cavity of each circular through hole is tightly spliced with a rubber sealing plug (1), the rubber sealing plug (1) is bonded and sleeved at the bottom of the connecting column (2), the top end of the connecting column (2) is fixedly connected with the middle part of the bottom end of the net disc (3), the bottom end of the connecting column (2) is fixedly connected with the middle part of the top end of the bottom plate (12), the bottom plate (12) is positioned at the bottom end of the valve shell (4), the two sides of the bottom plate (12) are penetrated with a lifting screw rod (11) in a sliding way, the top end of the lifting screw rod (11) is fixedly connected with the bottom of the valve shell (4), a positioning nut (14) is sleeved on the bottom thread of the surface bottom plate (12) of the lifting screw (11);

outside heat preservation mechanism stores box (17) including heat preservation box (15), heat preservation cotton filling block (6), insulation material filler (9), input output tube (16) and heat preservation liquid, cup joint the outside middle part at valve casing (4) in heat preservation box (15), it has insulation material filler (9) to fill in the both sides lateral wall inner chamber of heat preservation box (15), box (17) are stored to the inner chamber both sides fixedly connected with heat preservation liquid of heat preservation box (15), the both ends middle part intercommunication input output tube (16) of box (17) is stored to the heat preservation liquid one end, two one side bonding connection that box (17) are close to each other is stored to the heat preservation liquid has heat preservation cotton filling block (6).

2. The valve of claim 1, wherein: the cross section area of the bottom of the rubber sealing plug (1) is consistent with the cross section area of the inner cavity of the circular through hole formed in the bottom ends of the two sides of the valve shell (4).

3. The valve of claim 1, wherein: the length of the lifting screw (11) is greater than the length of the inner cavity of the circular through hole formed in the bottom end of the two sides of the valve shell (4).

4. The valve of claim 1, wherein: the input and output pipe (16) is a cylindrical pipe body, and the end part of the input and output pipe (16) far away from the heat preservation box (15) is in threaded connection with a sealing cover.

5. The valve of claim 1, wherein: the rubber sealing plug (1) is a cylindrical rubber block with a round table-shaped bottom end, and the rubber sealing plugs (1) are symmetrically distributed on two sides of the valve shell (4).

6. The valve of claim 1, wherein: the opening and closing piece (5) is oval, and two sides of the opening and closing piece (5) are communicated with cylindrical through holes.