CN213541314U

CN213541314U - Three-body type hard sealing stop valve

Info

Publication number: CN213541314U
Application number: CN202022503371.5U
Authority: CN
Inventors: 洪彬彬
Original assignee: Fujian Jiusheng Valve Technology Co ltd
Current assignee: Fujian Jiusheng Valve Technology Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-25
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a three-body type hard sealing stop valve, including rotating the valve, the bull stick is installed to the centre of rotating the valve, the nut is installed to the upper end spiral of bull stick, be provided with the gasket between nut and the rotation valve, the upper end of bull stick is provided with screw thread strip one, the middle part outside of bull stick is provided with screw thread strip two, the below of rotating the valve is provided with sealed lid, the bottom movable mounting of sealed lid has the pipeline, the bottom fixedly connected with sealing post of bull stick. This three-body type hard seal stop valve can seal the screw hole, avoid water to spill over from the screw hole, be favorable to the leakproofness of sealed lid, and can replace the sealing washer of sealed lid bottom and the sealed post of bull stick bottom, be favorable to the long-term use of this three-body type hard seal stop valve, the mounting means is simple, be convenient for install and dismantle, and through the mounting groove in the pipeline both ends connecting hole, the user of service can install the pipeline, and easy operation, convenient to use.

Description

Three-body type hard sealing stop valve

Technical Field

The utility model relates to a stop valve field specifically is a three-body type hard seal stop valve.

Background

The stop valve is a tool which depends on the pressure of a valve rod to make the sealing surface of the valve clack tightly attached to the sealing surface of the valve seat and prevent the medium from flowing, belongs to a forced sealing type valve, and is one of the most widely used valves;

the hard sealed stop valve leakproofness of current three-body formula is relatively poor, leads to water to spill over in can following the stop valve, is unfavorable for the use, and can not replace sealing washer and sealed post to influence the life of stop valve, the mounting means is loaded down with trivial details simultaneously, the installation and the dismantlement of being not convenient for, for this reason, we provide a three-body formula hard seal stop valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-body type hard seal stop valve to current three-body type hard seal stop valve leakproofness that proposes in solving above-mentioned background art is relatively poor, leads to water to spill over in can following the stop valve, is unfavorable for the use, and can not replace sealing washer and sealed post, thereby influences the life of stop valve, and the mounting means is loaded down with trivial details simultaneously, is not convenient for install and the problem of dismantling.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a three-body type hard seal stop valve, includes the rotary valve, the bull stick is installed to the centre of rotary valve, the nut is installed to the upper end spiral of bull stick, be provided with the gasket between nut and the rotary valve, the upper end of bull stick is provided with screw thread strip one, the middle part outside of bull stick is provided with screw thread strip two, the below of rotary valve is provided with sealed lid, the bottom movable mounting of sealed lid has the pipeline, the bottom fixedly connected with seal post of bull stick.

As a further proposal, the screw thread strip I and the nut are matched, the rotating valve is movably arranged at the upper end of the rotating rod through the nut matched with the screw thread strip.

As a further scheme of the utility model, the bottom of sealed lid is provided with a plurality of groups of screw thread strip three, the upper end intermediate position of pipeline is provided with the mounting hole, a plurality of groups of thread groove have been seted up to the inside wall of mounting hole, the connecting hole has all been seted up at both ends about the pipeline, the inboard of connecting hole is close to pipeline border position and has been seted up the mounting groove.

As a further aspect of the present invention, the three thread strips are engaged with the thread groove, and the sealing cover is movably mounted on the upper end of the pipeline through the three thread strips and the thread groove.

As a further scheme of the utility model, the upper end intermediate position of sealed lid runs through set up threaded hole, the sealing washer is installed to the inside bottom of sealed lid, and the sealing washer cover is established in the outside of bull stick, the inside of pipeline is provided with the base, the spacing groove has been seted up to the upper end of base.

As a further scheme of the utility model, screw hole and screw thread strip two-phase adaptation, the bull stick reciprocates in sealed lid through two cooperation screw holes of screw thread strip, sealed post agrees with mutually with spacing groove, sealed post reciprocates in the upper end of spacing groove through the bull stick.

Compared with the prior art, the beneficial effects of the utility model are that: the three-body type hard sealing stop valve is provided with the sealing cover, when a user places the sealing cover on the mounting hole, the sealing cover can be mounted at the upper end of a pipeline by rotating the sealing cover clockwise, the threaded hole can be sealed by the sealing ring in the sealing cover, water is prevented from overflowing from the threaded hole, and the sealing performance of the sealing cover is facilitated;

this three-body type hard seal stop valve is provided with the rotating valve, through swivel nut, screw thread strip one of cooperation bull stick upper end, can install the rotating valve in the bull stick upper end, and the gasket can prevent that the rotating valve from appearing taking off the silk in the installation, the mounting means is simple, be convenient for install and dismantle, screw thread strip two on the screw hole cooperation bull stick through sealed lid upper end, the user can drive the bull stick through rotatory rotating valve and reciprocate in sealed lid, thereby the sealed post of bull stick bottom can be followed spacing inslot rebound, and then can the control flow size, and through the mounting groove in the pipeline both ends connecting hole, the user can install the pipeline, and easy operation, and convenient to use.

Drawings

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

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

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

fig. 4 is a cross-sectional view of the present invention;

fig. 5 is an enlarged view of a in the present invention.

In the figure: 1. a rotary valve; 2. a first thread strip; 3. a gasket; 4. a nut; 5. a rotating rod; 6. a second thread strip; 7. a sealing cover; 8. a pipeline; 9. a third thread strip; 10. sealing the column; 11. mounting holes; 12. a thread groove; 13. connecting holes; 14. a seal ring; 15. a threaded hole; 16. a base; 17. a limiting groove; 18. and (4) mounting the groove.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a three-body type hard seal stop valve, including rotating valve 1, rotating rod 5 is installed to the centre of rotating valve 1, nut 4 is installed to the upper end spiral of rotating rod 5, be provided with gasket 3 between nut 4 and the rotating valve 1, the upper end of rotating rod 5 is provided with screw thread strip one 2, the middle part outside of rotating rod 5 is provided with screw thread strip two 6, the below of rotating valve 1 is provided with sealed lid 7, the bottom movable mounting of sealed lid 7 has pipeline 8, the sealed post 10 of bottom fixedly connected with of rotating rod 5, screw thread strip one 2 and nut 4 looks adaptation, rotating valve 1 passes through nut 4 cooperation screw thread strip one 2 movable mounting in the upper end of rotating rod 5.

Threaded hole 15 runs through in the upper end intermediate position of sealed lid 7, sealing washer 14 is installed to the inside bottom of sealed lid 7, and sealing washer 14 cover is established in the outside of bull stick 5, the inside of pipeline 8 is provided with base 16, spacing groove 17 has been seted up to the upper end of base 16, threaded hole 15 and two 6 looks adaptations of screw thread strip, bull stick 5 reciprocates in sealed lid 7 through two 6 cooperation screw holes 15 of screw thread strip, sealed post 10 agrees with mutually with spacing groove 17, sealed post 10 reciprocates in the upper end of spacing groove 17 through bull stick 5.

Through the technical scheme: this three-body formula hard seal stop valve is provided with rotary valve 1, through swivel nut 4, screw thread strip one 2 of cooperation bull stick 5 upper end, can install rotary valve 1 in bull stick 5 upper end, and gasket 3 can prevent that rotary valve 1 from appearing taking off the silk in the installation, the mounting means is simple, be convenient for installation and dismantlement, screw thread strip two 6 on 15 cooperation bull sticks 5 through the screw hole of sealed lid 7 upper end, the user can drive bull stick 5 through rotatory rotary valve 1 and reciprocate in sealed lid 7, thereby sealed post 10 of bull stick 5 bottom can upwards remove from spacing groove 17, and then can the rivers size of controlling, and through the mounting groove 18 in 8 both ends connecting holes 13 of pipeline, the user can install pipeline 8, and easy operation, and convenient to use.

The bottom of sealed lid 7 is provided with three 9 of a plurality of screw thread strips, and the upper end intermediate position of pipeline 8 is provided with mounting hole 11, and a plurality of screw thread grooves 12 have been seted up to the inside wall of mounting hole 11, and connecting hole 13 has all been seted up at both ends about pipeline 8, and the inboard of connecting hole 13 is close to pipeline 8 border position and has been seted up mounting groove 18, and three 9 of screw thread strips agree with mutually with screw thread groove 12, and sealed lid 7 passes through three 9 cooperation screw thread grooves 12 movable mounting of screw thread strip in the upper end of pipeline 8.

Through the technical scheme: this three-body hard seal stop valve is provided with sealed lid 7, place sealed lid 7 on mounting hole 11 when the user of service, through clockwise rotation sealed lid 7, can install sealed lid 7 in the upper end of pipeline 8, and through the inside sealing washer 14 of sealed lid 7, can seal threaded hole 15, avoid water to spill over from threaded hole 15, be favorable to the leakproofness of sealed lid 7, the same way, when user's anticlockwise rotation sealed lid 7, the thread strip three 9 of sealed lid 7 bottom can be followed thread groove 12 and unscrewed, thereby user of service can take out sealed lid 7 from pipeline 8 upper end, and then can replace sealed sealing washer 14 and the sealed post 10 of bull stick 5 bottom in sealed lid 7 bottom, be favorable to the long-term use of this three-body hard seal stop valve.

The working principle is as follows: for the three-body type hard sealing stop valve, firstly, the rotary valve 1 is arranged at the upper end of the rotary rod 5 by matching with the thread strip I2 at the upper end of the rotary rod 5 through the rotary nut 4, and the gasket 3 can prevent the rotary valve 1 from thread shedding in the installation process, the installation mode is simple, the installation and disassembly are convenient, the thread strip II 6 on the rotary rod 5 is matched through the thread hole 15 at the upper end of the sealing cover 7, a user can drive the rotary rod 5 to move up and down in the sealing cover 7 by rotating the rotary valve 1, so that the sealing column 10 at the bottom end of the rotary rod 5 can move up from the limiting groove 17 on the base 16, the water flow can be controlled, the user can install the pipeline 8 through the installation grooves 18 in the connection holes 13 at the two ends of the pipeline 8, the operation is simple, the use is convenient, when the user places the sealing cover 7 on the installation hole 11, the sealing cover 7 is rotated clockwise, can install sealed lid 7 in the upper end of pipeline 8, and through the inside sealing washer 14 of sealed lid 7, can seal threaded hole 15, avoid water to spill over from threaded hole 15, be favorable to the leakproofness of sealed lid 7, and on the same hand, when user's anticlockwise rotation sealed lid 7, thread strip three 9 of sealed lid 7 bottom can be followed thread groove 12 and unscrewed, thereby user can take out sealed lid 7 from pipeline 8 upper end, and then can replace sealing washer 14 and the sealed post 10 of bull stick 5 bottom in the sealed lid 7 bottom, be favorable to the long-term use of this three-body hard seal stop valve.

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

1. The utility model provides a three-body formula hard seal stop valve, includes rotary valve (1), its characterized in that: the utility model discloses a sealing device, including rotating valve (1), bull stick (5), nut (4) are installed to the upper end spiral of bull stick (5), be provided with between nut (4) and rotating valve (1) gasket (3), the upper end of bull stick (5) is provided with screw thread strip (2), the middle part outside of bull stick (5) is provided with screw thread strip two (6), the below of rotating valve (1) is provided with sealed lid (7), the bottom movable mounting of sealed lid (7) has pipeline (8), the bottom fixedly connected with seal post (10) of bull stick (5).

2. A three-part hard seal shut-off valve according to claim 1, wherein: the screw thread strip I (2) is matched with the nut (4), and the rotating valve (1) is movably mounted at the upper end of the rotating rod (5) through the nut (4) matched with the screw thread strip I (2).

3. A three-part hard seal shut-off valve according to claim 1, wherein: the bottom of sealed lid (7) is provided with a plurality of screw thread strips three (9), the upper end intermediate position of pipeline (8) is provided with mounting hole (11), a plurality of screw thread grooves (12) have been seted up to the inside wall of mounting hole (11), connecting hole (13) have all been seted up at both ends about pipeline (8), mounting groove (18) have been seted up to the inboard of connecting hole (13) near pipeline (8) border position.

4. A three-part hard seal shut-off valve according to claim 3, wherein: the third threaded strip (9) is matched with the threaded groove (12), and the sealing cover (7) is movably arranged at the upper end of the pipeline (8) through the cooperation of the third threaded strip (9) and the threaded groove (12).

5. A three-part hard seal shut-off valve according to claim 1, wherein: threaded hole (15) are run through to the upper end intermediate position of sealed lid (7), sealing washer (14) are installed to the inside bottom of sealed lid (7), and sealing washer (14) cover is established in the outside of bull stick (5), the inside of pipeline (8) is provided with base (16), spacing groove (17) have been seted up to the upper end of base (16).

6. A three-part hard seal stop valve according to claim 5, wherein: the screw hole (15) is matched with the second threaded strip (6), the rotating rod (5) moves up and down in the sealing cover (7) through the second threaded strip (6) in a matched mode with the screw hole (15), the sealing column (10) is matched with the limiting groove (17), and the sealing column (10) moves up and down at the upper end of the limiting groove (17) through the rotating rod (5).