CN111927971A - Low-pressure-loss straight-through stop valve - Google Patents

Low-pressure-loss straight-through stop valve Download PDF

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Publication number
CN111927971A
CN111927971A CN202010908454.4A CN202010908454A CN111927971A CN 111927971 A CN111927971 A CN 111927971A CN 202010908454 A CN202010908454 A CN 202010908454A CN 111927971 A CN111927971 A CN 111927971A
Authority
CN
China
Prior art keywords
valve body
valve
stop valve
sleeve
seted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010908454.4A
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Chinese (zh)
Inventor
田洪卫
欧丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Kedi Fluid Control Equipment Co ltd
Original Assignee
Suzhou Kedi Fluid Control Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Kedi Fluid Control Equipment Co ltd filed Critical Suzhou Kedi Fluid Control Equipment Co ltd
Priority to CN202010908454.4A priority Critical patent/CN111927971A/en
Publication of CN111927971A publication Critical patent/CN111927971A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)

Abstract

The invention discloses a low-pressure-loss straight-through stop valve, which comprises a valve body and a screw rod, wherein the valve body is provided with a valve body; the left and right sides of valve body is open structure, and the through-hole has been seted up to the upper end of valve body, and the spout has been seted up at the inside upper end middle part of valve body, and the inside lower extreme middle part of valve body sets up flutedly, and the left and right sides of valve body is provided with the connector, and the outer anchor ring of connector sets up the screw thread, and the upper end of valve body is provided with the link, and the last lateral wall middle part of link rotates and is connected with the sleeve, and the. The whole straight-through structure that is of stop valve can reduce the pressure loss that the fluid received through the stop valve inside as far as, and straight-through structure manufacturing cost is lower simultaneously, makes the whole economic type of stop valve better, and the stop valve makes the screw rod drive the valve plate and rises or descend through rotating the sleeve, and occupation space is less when using, and the condition that opens and shuts is observed to the sight groove that the accessible sleeve front end was seted up simultaneously, convenient and practical.

Description

Low-pressure-loss straight-through stop valve
Technical Field
The invention relates to the technical field of stop valves, in particular to a low-pressure-loss straight-through stop valve.
Background
In a gas and liquid conveying pipeline, the stop valves are used more, but the gas inlet and the gas outlet of the existing valve body are 90 degrees, or the valve clack is right against the gas inlet direction, and although the gas inlet and the gas outlet are 180 degrees when the stop valves are seen from the outside, the inside of the valve body is turned by two 90 degrees, so that the pressure loss of the inlet and the outlet of the valve with the structure is large, the cost of the valve is high, and the waste of resources and the reduction of economic benefits are caused.
Disclosure of Invention
The invention aims to overcome the technical problem of the prior art, and provides a low-pressure-loss straight-through stop valve, which is integrally of a straight-through structure, can reduce the pressure loss of fluid flowing through the interior of the stop valve as much as possible, and is lower in production cost, so that the overall economy of the stop valve is better, and the stop valve drives a valve plate to ascend or descend by rotating a sleeve, so that the stop valve occupies a smaller space when being used compared with the prior valve, and meanwhile, the opening and closing conditions of the stop valve can be observed through a viewing groove formed in the front end of the sleeve, so that the stop valve is convenient and practical, and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a low-pressure-loss straight-through stop valve comprises a valve body and a screw rod;
a valve body: the left side and the right side of the valve body are of an open structure, a through hole is formed in the upper end of the valve body, a sliding groove is formed in the middle of the upper end in the valve body, a groove is formed in the middle of the lower end in the valve body, connectors are arranged on the left side and the right side of the valve body, threads are formed in the outer ring surface of each connector, a connecting frame is arranged at the upper end of the valve body, a sleeve is rotatably connected to the middle of the upper side wall of the connecting frame, a hand wheel is mounted at the upper end of the sleeve, a screw hole;
screw rod: threaded connection is in telescopic lower extreme, and the lower extreme fixedly connected with valve plate of screw rod, and the spout sliding connection that the inside upper end of valve plate and valve body was seted up, and the left and right sides of valve plate is the fillet structure.
Furthermore, the valve further comprises two sealing gaskets, wherein the two sealing gaskets are arranged on the left side surface and the right side surface of the valve body respectively, and the two sealing gaskets wrap the inner sides, opposite to the outer ring surfaces, of the two connectors respectively. The sealing gasket that sets up can guarantee the compactness of stop valve and external pipe connection, avoids pipeline and stop valve's junction to appear revealing to the security of further promotion stop valve when using.
Furthermore, the valve body further comprises two air grooves, wherein the two air grooves are formed in the middle of the upper surface of the valve body and are formed in the front end and the rear end of the middle of the upper surface of the valve body respectively. The air groove can prevent the use of the stop valve from being influenced by vacuum or overlarge air pressure in the sliding groove formed in the upper end of the valve body when the stop valve is used.
The left end and the right end of the limiting block are respectively fixedly connected with clamping grooves formed in the left side and the right side of the front end of the upper surface of the valve body, and a clamping block corresponding to the through groove formed in the front surface of the sleeve is arranged in the middle of the rear side face of the limiting block. The position of the sleeve can be locked by the arranged limiting block, and the situation that the opening and closing of the stop valve are influenced due to looseness of the sleeve is avoided.
Furthermore, the valve further comprises two sealing rings, wherein the two sealing rings are respectively arranged on the left side and the right side of the inner part of the groove formed in the lower end of the middle part of the valve body, and the two sealing rings respectively correspond to the round corners on the left side and the right side of the valve plate. The sealing ring can further strengthen the sealing performance of the stop valve when the stop valve is closed, and the curved surface structure of the sealing ring can also reduce the pressure loss of the stop valve when the internal fluid flows when the stop valve is opened.
Compared with the prior art, the invention has the beneficial effects that:
1. the whole stop valve is of a straight-through structure, so that the pressure loss of fluid flowing through the inside of the stop valve can be reduced as much as possible, and meanwhile, the straight-through structure is low in production cost, so that the whole economy of the stop valve is better;
2. the stop valve drives the valve plate to ascend or descend by rotating the sleeve, and compared with the existing valve, the stop valve occupies a smaller space in use, and meanwhile, the opening and closing conditions of the stop valve can be observed through a viewing groove formed in the front end of the sleeve, so that the stop valve is convenient and practical;
3. the sealing ring can further strengthen the sealing performance of the stop valve when the stop valve is closed, and the curved surface structure of the sealing ring can also reduce the pressure loss of the stop valve when the internal fluid flows when the stop valve is opened.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front cross-sectional view of the present invention.
In the figure: 1 valve body, 2 link, 3 sleeves, 4 hand wheels, 5 screw rods, 6 valve plates, 7 connectors, 8 sealing gaskets, 9 air grooves, 10 limiting blocks and 11 sealing rings.
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.
Referring to fig. 1-2, the low-pressure-loss straight-through stop valve provided by the invention comprises a valve body 1 and a screw 5;
valve body 1: the left side and the right side of the valve body are of an open structure, a through hole is formed in the upper end of the valve body 1, a sliding groove is formed in the middle of the upper end in the valve body 1, a groove is formed in the middle of the lower end in the valve body 1, connectors 7 are arranged on the left side and the right side of the valve body 1, threads are formed in the outer ring surface of each connector 7, a connecting frame 2 is arranged at the upper end of the valve body 1, a sleeve 3 is rotatably connected to the middle of the upper side wall of the connecting frame 2, a hand wheel is mounted at the upper end of the sleeve 3, a screw hole is formed in; still including sealed the pad 8, sealed pad 8 is provided with two altogether, and two sealed pads 8 are installed respectively in the left and right sides face of valve body 1, and two sealed pads 8 still include gas tank 9 respectively with the relative inboard of the outer anchor ring of two connectors 7, and gas tank 9 has seted up two altogether, and both ends around two gas tank 9 are seted up respectively in the upper surface middle part of valve body 1. The air groove 9 can prevent the use of the stop valve from being influenced by vacuum or overlarge air pressure in the sliding groove formed in the upper end of the valve body 1 when the stop valve is used. And (6) packaging. The tightness that the sealed pad 8 that sets up can guarantee stop valve and external pipe connection avoids the pipeline to appear revealing with the junction of stop valve to the security of further promotion stop valve when using. The valve body is characterized by further comprising a limiting block 10, the left end and the right end of the limiting block 10 are fixedly connected with clamping grooves formed in the left side and the right side of the front end of the upper surface of the valve body 1 respectively, and a clamping block corresponding to a through groove formed in the front surface of the sleeve 3 is arranged in the middle of the rear side face of the limiting block 10. The position of sleeve 3 can be locked to the stopper 10 that sets up, avoids sleeve 3 not hard up and influences opening and shutting of stop valve.
Screw rod 5: threaded connection is in the lower extreme of sleeve 3, and the lower extreme fixedly connected with valve plate 6 of screw rod 5, and the spout sliding connection that the inside upper end of valve plate 6 and valve body 1 was seted up, and the left and right sides of valve plate 6 is the fillet structure. Still include sealing ring 11, sealing ring 11 is provided with two altogether, and two sealing rings 11 are installed respectively in the inside left and right sides of the recess that the inside middle part lower extreme of valve body 1 was seted up, and two sealing rings 11 correspond with the left and right sides fillet of valve plate 6 respectively. The sealing ring 11 can further enhance the sealing performance of the stop valve when the stop valve is closed, and the curved surface structure of the sealing ring 11 can also reduce the pressure loss of the stop valve when the internal fluid flows when the stop valve is opened.
When the invention is used: carry out threaded connection with connector 7 that 1 both sides of valve body set up and external pipeline, and make sealed 8 that fill the joint gap and fill, when closing the stop valve, take off stopper 10, then drive sleeve 3 through hand wheel 4 and rotate, through screw thread extrusion screw rod 5 when sleeve 3 rotates, thereby make screw rod 5 drive valve plate 6 descend, the stop valve is closed completely when 5 lower extremes of valve plate contact seal ring 11 completely, then install stopper 10 again, when needing to open the stop valve, take off stopper 10, reverse rotation hand wheel 4 can.
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 (5)

1. A low pressure loss straight-through stop valve which is characterized in that: comprises a valve body (1) and a screw (5);
the left side and the right side of the valve body (1) are of an open structure, a through hole is formed in the upper end of the valve body (1), a sliding groove is formed in the middle of the upper end of the interior of the valve body (1), a groove is formed in the middle of the lower end of the interior of the valve body (1), connectors (7) are arranged on the left side and the right side of the valve body (1), threads are formed in the outer ring surface of each connector (7), a connecting frame (2) is arranged at the upper end of the valve body (1), a sleeve (3) is rotatably connected to the middle of the upper side wall of the connecting frame (2), a hand wheel is mounted at the upper end of the sleeve (3), screw holes are formed in the lower end of the inner ring surface of;
screw rod (5) pass through threaded connection in the lower extreme of sleeve (3), and the lower extreme fixedly connected with valve plate (6) of screw rod (5), the spout sliding connection that the inside upper end of valve plate (6) and valve body (1) was seted up, and the left and right sides of valve plate (6) is the fillet structure.
2. A low pressure loss straight through shut off valve as defined in claim 1, wherein: the valve body is characterized by further comprising two sealing gaskets (8), wherein the two sealing gaskets (8) are arranged, the two sealing gaskets (8) are respectively arranged on the left side surface and the right side surface of the valve body (1), and the two sealing gaskets (8) respectively wrap the inner sides, opposite to the outer ring surfaces, of the two connectors (7).
3. A low pressure loss straight through shut off valve as defined in claim 1, wherein: still include gas tank (9), two have been seted up altogether in gas tank (9), both ends around two gas tanks (9) are seted up respectively in the upper surface middle part of valve body (1).
4. A low pressure loss straight through shut off valve as defined in claim 1, wherein: the clamping device is characterized by further comprising a limiting block (10), the left end and the right end of the limiting block (10) are respectively and fixedly connected with clamping grooves formed in the left side and the right side of the front end of the upper surface of the valve body (1), and a clamping block corresponding to a through groove formed in the front surface of the sleeve (3) is arranged in the middle of the rear side face of the limiting block (10).
5. A low pressure loss straight through shut off valve as defined in claim 1, wherein: still include sealing ring (11), sealing ring (11) are provided with two altogether, and two sealing rings (11) are installed respectively in the inside left and right sides of the recess that the inside middle part lower extreme of valve body (1) was seted up, and two sealing rings (11) are corresponding with the left and right sides fillet of valve plate (6) respectively.
CN202010908454.4A 2020-09-02 2020-09-02 Low-pressure-loss straight-through stop valve Pending CN111927971A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010908454.4A CN111927971A (en) 2020-09-02 2020-09-02 Low-pressure-loss straight-through stop valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010908454.4A CN111927971A (en) 2020-09-02 2020-09-02 Low-pressure-loss straight-through stop valve

Publications (1)

Publication Number Publication Date
CN111927971A true CN111927971A (en) 2020-11-13

Family

ID=73309633

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010908454.4A Pending CN111927971A (en) 2020-09-02 2020-09-02 Low-pressure-loss straight-through stop valve

Country Status (1)

Country Link
CN (1) CN111927971A (en)

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