CN210739528U

CN210739528U - Valve seat structure of combined stop valve

Info

Publication number: CN210739528U
Application number: CN201921744944.4U
Authority: CN
Inventors: 司强
Original assignee: Zhangjiagang Kerun Low Temperature Valve Co Ltd
Current assignee: Zhangjiagang Kerun Low Temperature Valve Co Ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-12
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a valve seat structure of a combined stop valve, which comprises a gate, wherein the front of the gate is welded with an outlet pipe butt joint, the front center position of the outlet pipe butt joint is fixedly connected with a butt joint sleeve, the front outer side of the outlet pipe butt joint penetrates through a mounting hole, the inner side of the gate is welded with a transport pipe, the back of the transport pipe is welded with an inlet pipe butt joint, the top of the gate is fixedly connected with a fixed cover, the top outer side of the fixed cover is embedded with a fixed screw, the top center position of the fixed cover is welded with an adjusting pipe, and the top end of the adjusting pipe is movably connected with an adjusting shaft; the top welding of regulating spindle has the hand wheel, and the bottom fixedly connected with gear of regulating spindle, the outside of gear respectively swing joint have first gear and second gear, the first pivot of bottom fixedly connected with of first gear, the utility model discloses a second gear and roof pressure axle that set up have improved the leakproofness of stop valve, through the butt joint cover that sets up, have prevented that the problem of leaking from appearing in butt joint department.

Description

Valve seat structure of combined stop valve

Technical Field

The utility model relates to a stop valve technical field specifically is a disk seat structure of modular stop valve.

Background

The stop valve is also called stop valve, belonging to forced sealing type valve, so when the valve is closed, it must apply pressure to valve clack to force sealing surface not to leak, when the medium is fed into the valve from below the valve clack, the resistance force which must be overcome by operation force is the friction force of valve stem and packing material and the thrust force produced by pressure of medium, the force for closing the valve is greater than the force for opening the valve, so the diameter of valve stem is greater, otherwise the failure of stem top bending can occur.

However, after the existing stop valve is closed, if the air pressure is too high, the air pressure and water inside the stop valve can be partially leaked, the sealing effect of the valve is poor, the stop valve is easy to generate gas or leak, and the problem that the gas and water of a connecting part of the mounted stop valve can leak is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a valve seat structure of modular stop valve to the problem of connecting part gas and water leakage can appear in the stop valve after proposing the valve seal effect poor and the installation among the solution above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a disk seat structure of modular stop valve, includes the gate, the front welding of gate has the exit tube butt joint, the positive central fixedly connected with of exit tube butt joint is to the adapter sleeve, the installation mouth has been run through in the positive outside of exit tube butt joint, the inboard welding of gate has the transport pipe, the back welding of transport pipe has into a tub butt joint, the fixed lid of top fixedly connected with of gate, the top outside embedding of fixed lid has the fixed screw, the top central welding of position of fixed lid has the regulating pipe, the top swing joint of regulating pipe has the regulating spindle.

The welding of the top of regulating spindle has the hand wheel, the bottom fixedly connected with gear of regulating spindle, the outside of gear swing joint has first gear and second gear respectively, the first pivot of bottom fixedly connected with of first gear, the sealed lid of one end fixedly connected with of first pivot, the bottom fixedly connected with second pivot of second gear, the one end welding of second pivot has the top-pressing axle.

Further preferably, the adjusting pipe is vertically erected at the top of the fixed cover, the adjusting pipe is hollow inside, and the adjusting pipe is connected with the fixed cover in a welding mode.

Preferably, the fixing cover is provided with eight fixing screws, and the eight fixing screws are arranged in a group, and are respectively embedded into the top of the fixing cover.

Preferably, the number of the butt-joint sleeves is two, the two butt-joint sleeves are respectively located at the middle position of the outlet pipe butt-joint head, and the butt-joint sleeves are fixedly connected with the outlet pipe butt-joint head.

Further preferably, the gear comprises a first gear and a second gear outside the gear, a first rotating shaft at the bottom of the first gear, and a sealing cover connected with the first rotating shaft, and the gear is movably connected with the first gear.

Further preferably, racks are arranged on the outer sides of the first gear, the second gear and the gear, and the first gear, the second gear and the gear are movably connected through the racks.

(III) advantageous effects

The utility model provides a modular stop valve's disk seat structure possesses following beneficial effect:

1. this kind of disk seat structure of combined type stop valve, second gear and top pressure axle through setting up, when using the stop valve, when needing to close the valve, the staff rotates the hand wheel, the hand wheel will drive the epaxial gear of regulation and rotate, when gear revolve, will drive first gear and second gear revolve simultaneously, at this moment first gear and second gear will drive first pivot and the epaxial sealed lid of second and top pressure axle simultaneous rotation, because sealed lid and top pressure axle are when rotating, the longer part of top pressure axle will be the top pressure on sealed covering, to sealed lid applied pressure, prevent that the pipeline is interior because of being too big for pressure, lead to sealed lid to appear the problem of slack, so the leakproofness of stop valve has been improved.

2. This kind of disk seat structure of modular stop valve, through the butt joint cover that sets up, when the installation stop valve, the staff inserts the pipeline that needs the butt joint to the butt joint cover on the exit tube butt joint, then aligns the installing port on the exit tube butt joint, and is dead with the screw fixation, is installing the stop valve like this because the butt joint cover inserts in the pipeline to the problem of leaking has been prevented to the butt joint department from appearing.

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 gate of the present invention;

fig. 3 is a cross-sectional view of the adjusting shaft of the present invention.

In the figure: 1. an outlet pipe butt joint; 2. an installation port; 3. butting sleeves; 4. a gate; 5. a fixed cover; 6. fixing screws; 7. an adjusting tube; 8. an adjustment shaft; 801. a gear; 802. a second gear; 803. a first rotating shaft; 804. a sealing cover; 805. a second gear; 806. a second rotating shaft; 807. jacking the shaft; 9. a hand wheel; 10. pipe inlet butt joints; 11. and (4) a conveying pipe.

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. 1-3, the present invention provides a technical solution: the utility model provides a disk seat structure of modular stop valve, including gate 4, the front welding of gate 4 has exit tube butt joint 1, exit tube butt joint 1's positive centre position fixedly connected with butt joint cover 3, the installation mouth 2 has been run through in the front outside of exit tube butt joint 1, the inboard welding of gate 4 has transport pipe 11, the back welding of transport pipe 11 has into a tub butt joint 10, the fixed lid 5 of top fixedly connected with of gate 4, the embedding of the top outside of fixed lid 5 has fixed screw 6, the positive position welding in top of fixed lid 5 has regulating pipe 7, the top swing joint of regulating pipe 7 has regulating shaft 8.

The top welding of regulation axle 8 has hand wheel 9, and the bottom fixedly connected with gear 801 of regulation axle 8, the outside swing joint respectively of gear 801 has first gear 802 and second gear 805, the first pivot 803 of bottom fixedly connected with of first gear 802, the sealed lid 804 of the one end fixedly connected with of first pivot 803, second pivot 806 of second gear 805 bottom fixedly connected with, the one end welding of second pivot 806 has top-pressing shaft 807.

In this embodiment, specifically, the top at fixed lid 5 is erect perpendicularly to regulating tube 7, and the inside fretwork of regulating tube 7, regulating tube 7 and fixed lid 5 welded connection, and the inside fretwork of regulating tube 7 makes regulating shaft 8 rotate that can be better.

In this embodiment, specifically, the number of the fixing screws 6 is eight, and the number of the eight fixing screws 6 is four, and the fixing screws 6 are respectively embedded into the top of the fixing cover 5, so that the gate 4 and the fixing cover 5 can be better fixed by the fixing screws 6.

In this embodiment, it is concrete, docking sleeve 3 is provided with two, two docking sleeves 3 are located the well centre position of exit tube docking head 1 respectively, docking sleeve 3 and exit tube docking head 1 fixed connection, when the installation stop valve, the staff inserts the pipeline that needs the butt joint on the exit tube docking head 1 docking sleeve 3 on, then aligns the installing port 2 on the exit tube docking head 1, die with the screw fixation, owing to inserting the pipeline in docking sleeve 3 at the installation stop valve like this to the problem of leaking has been prevented to the butt joint department.

In this embodiment, specifically, the gear 801 includes a first gear 802 and a second gear 805 outside the gear 801, a first rotating shaft 803 at the bottom of the first gear 802, and a sealing cover 804 connected to the first rotating shaft 803, the gear 801 is movably connected to the first gear 802, and by rotating the hand wheel 9, the hand wheel 9 drives the gear 801 on the adjusting shaft 8 to rotate, and when the gear 801 rotates, the gear 801 drives the first gear 802 and the second gear 805 to rotate at the same time, and at this time, the first gear 802 and the second gear 805 drive the sealing cover 804 on the first rotating shaft 803 and the second rotating shaft 806 to rotate at the same time as the pressing shaft 807, and as the sealing cover 804 and the pressing shaft rotate, a part 807 with a longer pressing shaft 807 presses the sealing cover 804, and applies pressure to the sealing cover 804, thereby preventing the problem that the sealing cover 804 loosens due to an excessive pressure inside the pipeline.

In this embodiment, specifically, racks are disposed on outer sides of the first gear 802, the second gear 805, and the gear 801, and the first gear 802, the second gear 805, and the gear 801 are movably connected through the racks, so that the first gear 802, the second gear 805, and the gear 801 can be better rotated through the racks.

The working principle is as follows: after the utility model is installed, firstly, the installation fixation and safety protection of the utility model are checked, when the stop valve is installed, the worker inserts the butt joint sleeve 3 on the outlet pipe butt joint 1 into the pipeline to be butt jointed, then the installation port 2 on the outlet pipe butt joint 1 is aligned and fixed by screws, when the stop valve is used and the valve is needed to be closed, the worker rotates the hand wheel 9, the hand wheel 9 drives the gear 801 on the adjusting shaft 8 to rotate, when the gear 801 rotates, the first gear 802 and the second gear 805 are driven to rotate simultaneously, at this time, the first gear 802 and the second gear 805 drive the sealing cover 804 on the first rotating shaft 803 and the second rotating shaft 806 to rotate simultaneously with the top pressure shaft 807, because the sealing cover 804 and the top pressure shaft 807 rotate, the longer part of the top pressure shaft 807 is pressed on the sealing cover 804, the pressure of the sealing cover 804 is pressed, rotate hand wheel 9 according to opposite direction when opening, will open the valve, it is right just so to have accomplished the utility model discloses a use, the utility model discloses simple structure, convenience safe in utilization.

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 disk seat structure of modular stop valve, includes gate (4), its characterized in that: the front of the gate (4) is welded with an outlet pipe butt joint (1), the front center position of the outlet pipe butt joint (1) is fixedly connected with a butt joint sleeve (3), the front outer side of the outlet pipe butt joint (1) penetrates through a mounting hole (2), the inner side of the gate (4) is welded with a transport pipe (11), the back of the transport pipe (11) is welded with an inlet pipe butt joint (10), the top of the gate (4) is fixedly connected with a fixed cover (5), a fixed screw (6) is embedded in the top outer side of the fixed cover (5), an adjusting pipe (7) is welded at the top center position of the fixed cover (5), and the top end of the adjusting pipe (7) is movably connected with an adjusting shaft (8);

the top welding of regulation axle (8) has hand wheel (9), the bottom fixedly connected with gear (801) of regulation axle (8), the outside swing joint respectively of gear (801) has first gear (802) and second gear (805), the first pivot (803) of bottom fixedly connected with of first gear (802), the sealed lid (804) of one end fixedly connected with of first pivot (803), second gear (805) bottom fixedly connected with second pivot (806), the one end welding of second pivot (806) has top pressure axle (807).

2. The seat structure of a combination shut-off valve as claimed in claim 1, wherein: the adjusting pipe (7) is vertically erected at the top of the fixed cover (5), the adjusting pipe (7) is hollow, and the adjusting pipe (7) is connected with the fixed cover (5) in a welded mode.

3. The seat structure of a combination shut-off valve as claimed in claim 1, wherein: the fixed screw (6) is provided with eight, eight four of fixed screw (6) are a set of, fixed screw (6) imbed respectively in the top of fixed lid (5).

4. The seat structure of a combination shut-off valve as claimed in claim 1, wherein: the butt joint sleeve (3) is provided with two, two the butt joint sleeve (3) is located the centre position of exit tube butt joint (1) respectively, butt joint sleeve (3) and exit tube butt joint (1) fixed connection.

5. The seat structure of a combination shut-off valve as claimed in claim 1, wherein: the gear (801) comprises a first gear (802) and a second gear (805) which are arranged on the outer side of the gear (801), a first rotating shaft (803) arranged at the bottom of the first gear (802), and a sealing cover (804) connected with the first rotating shaft (803), wherein the gear (801) is movably connected with the first gear (802).

6. The seat structure of a combination shut-off valve as claimed in claim 1, wherein: racks are arranged on the outer sides of the first gear (802), the second gear (805) and the gear (801), and the first gear (802), the second gear (805) and the gear (801) are movably connected through the racks.