CN209494949U - A kind of shut-off valve - Google Patents

A kind of shut-off valve Download PDF

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Publication number
CN209494949U
CN209494949U CN201822198070.9U CN201822198070U CN209494949U CN 209494949 U CN209494949 U CN 209494949U CN 201822198070 U CN201822198070 U CN 201822198070U CN 209494949 U CN209494949 U CN 209494949U
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CN
China
Prior art keywords
valve
valve rod
valve body
packing
deck
Prior art date
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Active
Application number
CN201822198070.9U
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Chinese (zh)
Inventor
林帆
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.)
Yongkang Lianggong Valve Co Ltd
Original Assignee
Yongkang Lianggong Valve 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 Yongkang Lianggong Valve Co Ltd filed Critical Yongkang Lianggong Valve Co Ltd
Priority to CN201822198070.9U priority Critical patent/CN209494949U/en
Application granted granted Critical
Publication of CN209494949U publication Critical patent/CN209494949U/en
Active legal-status Critical Current
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Abstract

The utility model discloses a kind of shut-off valve, including valve body ontology, valve body ontology includes handwheel, valve rod, valve deck and valve body, the lower end of valve rod is equipped with flap, and valve rod is equipped with equally distributed screw thread, the rotation of handwheel original place can be with the lifting of ovable valve stem, the upper end middle position of handwheel is provided with the end cap for placing valve rod, the inside of valve deck sets Packed packing, the upper end of packing is equipped with corresponding gland, inlet pipe mouth, intermediate connector and outlet spout, the distribution up and down corresponding with valve rod of intermediate connector are respectively equipped on valve body, and intermediate connector is equipped with sealing device.The utility model has the beneficial effects that valve deck is connect with the dismountable mode of valve body, by shop bolt stationary positioned hole one and location hole two, fixed form is simple, and fixing compact facilitates and dismounted, and is convenient for changing.

Description

A kind of shut-off valve
Technical field
The utility model is specially a kind of shut-off valve, belongs to valve technology field.
Background technique
Valve be used to control in the fluid system the direction of fluid, pressure, flow device, be widely used in the modern times In industrial production, wherein shut-off valve due to the frictional force during its opening and closing between sealing surface it is small, pressure is applied widely, makes it Extensive utilization, but due to be used for a long time be easy to cause sealing performance to be deteriorated, it is therefore desirable to design it is a kind of facilitate installation and it is close The good shut-off valve of sealing property is suitable for market.
Utility model content
The purpose of this utility model is just providing a kind of cut-off to solve the problems, such as some shut-off valve poor sealings Valve.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of shut-off valve, including valve body ontology, described Valve body ontology includes handwheel, valve rod, valve deck and valve body, and the valve deck is located at the upper end of the valve body, and the lower end of the valve rod is logical It crosses valve deck and extends to valve body, and the upper end of valve rod is connect with the handwheel, the lower end of the valve rod is equipped with flap, and sets on valve rod There is equally distributed screw thread, the handwheel original place rotation can drive the lifting of the valve rod, the upper end interposition of the handwheel The end cap for placing the valve rod is installed, the inside of the valve deck sets Packed packing, and the upper end of the packing, which is equipped with, to be corresponded to Gland, inlet pipe mouth, intermediate connector and outlet spout, the intermediate connector and the valve rod pair are respectively equipped on the valve body It should be distributed up and down, and intermediate connector is equipped with sealing device.
Preferably, the valve deck is equipped with several equally distributed location holes one, and the upper end of the valve body corresponds to several institutes The position for stating location hole one is equipped with the location hole two of same size, and shop bolt, the positioning pin are connected on the valve deck Nail, which is worn from the location hole one to the location hole two, to be fixed.
Preferably, the exterior contour of the packing is by the woven formation of graphite line, and the inside of packing is equipped with cavity, described The inside of cavity is filled with linen-cotton object, and the packing is described by being wound annular channel on the inner sidewall of the valve deck Annular channel can cooperate the screw thread on the valve rod.
Preferably, the rectangular in cross-section of the packing.
Preferably, the sealing device includes sealing ring and the sleeve that is connected with sealing ring, the outside of the sleeve It is arranged rubber sleeve, and rubber sleeve, in I-shaped, the sleeve can be firmly fixed to the centre by the rubber sleeve On connector.
Preferably, the flap is connect with the threaded stem.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is on the intermediate connector of valve body by being arranged sealing device, sealing device by sealing ring and Sleeve combination, when liquid is by sleeve, the rubber sleeve that cartridge exterior is arranged can be very good the position of firm sleeve, carry out to it It is fixed, liquid is completely flowed through from sleeve, and when valve deck moves resist intermediate connector from top to bottom, it can be with It is closed completely with the sealing ring cover on intermediate connector, plays sealing function.
2, packing is arranged in the inside of valve deck in the utility model, and the upper end of packing is correspondingly arranged on gland, and gland can be very Good positions packing, packing is wound lopping along the inner sidewall of valve deck, the annular channel of formation rule is corresponding movable Valve rod promotes valve rod to pump well, and packing is woven using graphite line, inside filling linen-cotton object, The material softness of selection can be very good fitting valve rod, reduce the gap in valve deck, play sealing effect.
3, the utility model selects valve deck to connect with the dismountable mode of valve body, passes through one He of shop bolt stationary positioned hole Location hole two, fixed form is simple, and fixing compact facilitates and dismounted, and is convenient for changing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of shut-off valve of the utility model;
Fig. 2 is the structural schematic diagram of packing in Fig. 1;
Fig. 3 is a kind of structural schematic diagram of the sealing device of shut-off valve of the utility model.
Appended drawing reference: 1, handwheel;2, valve rod;3, valve body;4, flap;5, inlet pipe mouth;6, intermediate connector;7, outlet spout; 8, end cap;9, packing;10, gland;11, shop bolt;12, sleeve;13, sealing ring;14, rubber sleeve;15, valve deck;16, empty Chamber.
Specifically apply mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Shown in please referring to Fig.1 to Fig.3, a kind of shut-off valve, including valve body ontology, valve body ontology include handwheel 1, valve rod 2, valve Lid 15 and valve body 3, valve deck 15 are located at the upper end of valve body 3, and the lower end of valve rod 2 extends to valve body 3 by valve deck 15, on valve rod 2 It is provided with equally distributed screw thread, and the upper end of valve rod 2 is connect with handwheel 1, the lower end of valve rod 2 is provided with flap 4, flap 4 It is threadedly coupled with valve rod 2, is convenient for changing and installs, inlet pipe mouth 5, intermediate connector 6 and outlet spout are respectively arranged on valve body 3 7, the distribution up and down corresponding with valve rod 2 of intermediate connector 6, when fluid is entered to inside valve body 3 by inlet pipe mouth 5, flap 4 is along fluid Center line it is for linear motion, fluid is depressed into outlet spout 7, realizes one-way flow, the rotation of 1 original place of handwheel can be with ovable valve stem 2 Lifting, may be implemented by elevating control to the logical or obstructed of fluid.
The end cap 8 for placing valve rod 2, when valve rod 2 is rotated up, Ke Yizhuan are provided in the upper end middle position of handwheel 1 To end cap 8, prevents external environment from impacting to valve rod 2 well, play the role of protective device.
In the packing 9 for being internally provided with sealing of valve deck 15, packing 9 on the inner sidewall of valve deck 15 by being wound rule Annular channel then, annular channel can cooperate the screw thread on valve rod 2, and corresponding movable valve rod 2 promotes valve rod 2 to do well It pumps, the upper end of corresponding packing 9 is provided with gland 10, and the design of gland 10 is to fix packing 9 well It sets, up drives packing 9 during preventing valve rod 2 from moving upwards, compressing for gland 10 can hinder packing 9 to move up, And the exterior contour of packing 9 is by the woven formation of graphite line, and packing 9 is internally provided with cavity 16, in cavity 16 Portion is filled with linen-cotton object, and the material softness of selection can be very good fitting valve rod 2, reduce the gap in valve deck 15, play close Seal effect.
Several equally distributed location holes one are provided on valve deck 15, the upper end of valve body 3 corresponds to several location holes one Position is provided with the location hole two of same size, while shop bolt 11 is connected on valve deck 15, passes through shop bolt 11 It wears from location hole one to location hole two, valve deck 15 and valve body 3 is fixed, realize detachable connection, and have and connect Connect close, convenient for disassembly and assembly, the convenient advantage of replacement.
The utility model includes sealing ring 13 by the way that sealing device, sealing device are arranged on the intermediate connector 6 of valve body 3 And the sleeve 12 being connected with sealing ring 13, when liquid passes through sleeve 12, the rubber sleeve 14 being arranged outside sleeve 12 can lead to I-shaped structure is crossed, the upper and lower ends of rubber sleeve 14 is allowed to block fixation inside valve body 3, to realize firm sleeve 12 position flows through liquid completely out of sleeve 12, resists intermediate connector 6 when valve deck 15 moves from top to bottom When, it can be closed completely with the gasket ring cover on intermediate connector 6, play sealing function.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

1. a kind of shut-off valve, including valve body ontology, it is characterised in that: the valve body ontology includes handwheel (1), valve rod (2), valve deck (15) and valve body (3), the valve deck (15) are located at the upper end of the valve body (3), and the lower end of the valve rod (2) passes through valve deck (15) It extending to valve body (3), and the upper end of valve rod (2) is connect with the handwheel (1), the lower end of the valve rod (2) is equipped with flap (4), And valve rod (2) is equipped with equally distributed screw thread, handwheel (1) the original place rotation can drive the lifting of the valve rod (2), institute The upper end middle position for stating handwheel (1) is equipped with the end cap (8) for placing the valve rod (2), and the inside of the valve deck (15) is equipped with close The upper end of the packing (9) of envelope, the packing (9) is equipped with corresponding gland (10), is respectively equipped with inlet pipe mouth on the valve body (3) (5), intermediate connector (6) and outlet spout (7), the intermediate connector (6) distribution up and down corresponding with the valve rod (2), and in Between connector (6) be equipped with sealing device.
2. a kind of shut-off valve according to claim 1, it is characterised in that: the valve deck (15) is equipped with several be uniformly distributed Location hole one, the position that the upper end of the valve body (3) corresponds to several location holes one is equipped with the location hole of same size Two, it is connected with shop bolt (11) on the valve deck (15), the shop bolt (11) is worn from the location hole one to described fixed Position hole two is fixed.
3. a kind of shut-off valve according to claim 1, it is characterised in that: the exterior contour of the packing (9) is by graphite line Woven formation, and the inside of packing (9) is equipped with cavity (16), the inside of the cavity (16) is filled with linen-cotton object, the disk Root (9) can cooperate the valve by being wound annular channel, the annular channel on the inner sidewall of the valve deck (15) Screw thread on bar (2).
4. a kind of shut-off valve according to claim 3, it is characterised in that: the rectangular in cross-section of the packing (9).
5. a kind of shut-off valve according to claim 1, it is characterised in that: the sealing device include sealing ring (13) and The outer cover of the sleeve (12) being connected with sealing ring (13), the sleeve (12) is equipped with rubber sleeve (14), and rubber sleeve (14) In I-shaped, the sleeve (12) can be firmly fixed on the intermediate connector (6) by the rubber sleeve (14).
6. a kind of shut-off valve according to claim 1, it is characterised in that: the flap (4) and the valve rod (2) screw thread connect It connects.
CN201822198070.9U 2018-12-26 2018-12-26 A kind of shut-off valve Active CN209494949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822198070.9U CN209494949U (en) 2018-12-26 2018-12-26 A kind of shut-off valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822198070.9U CN209494949U (en) 2018-12-26 2018-12-26 A kind of shut-off valve

Publications (1)

Publication Number Publication Date
CN209494949U true CN209494949U (en) 2019-10-15

Family

ID=68153909

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822198070.9U Active CN209494949U (en) 2018-12-26 2018-12-26 A kind of shut-off valve

Country Status (1)

Country Link
CN (1) CN209494949U (en)

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