CN208221629U - A kind of high pressure sluice valve sealing device - Google Patents

Abstract

The utility model discloses a kind of high pressure sluice valve sealing devices, including sealing shell, inner sealing pipe, valve pipe and screw turntable, valve pipe both ends are fixedly welded with ring flange respectively, the valve pipe top center is fixedly welded with sealing shell, the sealing shell internal activity is plugged with elevating lever, it is located at sealing shell screw top outside the elevating lever and bearing inner race is installed, it is fixedly welded at the top of the bearing inner race and screws turntable, bearing outer ring is rotatably equipped with outside the bearing inner race, the bearing outer ring outer wall is fixedly welded at the top of sealing shell and is fixedly welded, the sealing shell inner wall is fixedly welded with inner sealing pipe, the utility model is by being fixed on inner sealing inside pipe wall for film one end is sealed using the first retainer plate, it is fixed on outside elevating lever by the second sealing ring by the film other end is sealed, enable to seal film The medium that grows out between elevating lever and sealing shell is effectively prevented, effectively medium is prevented to leak.

Description

A kind of high pressure sluice valve sealing device

Technical field

The utility model relates to valve technology field, specially a kind of high pressure sluice valve sealing device.

Background technique

Gate valve is an opening and closing element flashboard, and the direction of motion and flow direction of flashboard are perpendicular, gate valve can only make standard-sized sheet and Quan Guan cannot make adjustments and throttle.Gate valve is sealed by valve seat and rams contact, and usual sealing surface can deposited metal material To increase wearability, such as built-up welding 1Cr13, STL6, stainless steel.Flashboard has rigid flashboard and flexible disc, not according to flashboard Together, gate valve is divided into rigid gate valve and resilient gate valve.

The opening and closing element of high pressure sluice valve is flashboard, and the direction of motion and flow direction of flashboard are perpendicular, and gate valve can only make standard-sized sheet It is closed with complete, cannot make adjustments and throttle.The forms of motion of valve rod has elevating lever-type (valve rod lifting, handwheel are not gone up and down), also there is liter Drop rotation rod-type (handwheel rotation and lifting together with valve rod, nut are located on valve body).

But there are some drawbacks in use in traditional gate valve, such as:

Traditional high pressure sluice valve is since internal pressure is higher, and interior media is easy to grow out from gate valve junction when in use, Medium is caused to be revealed, therefore using effect is poor.

Utility model content

The purpose of this utility model is to provide a kind of high pressure sluice valve sealing devices, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of high pressure sluice valve sealing device, including close It seals shell, inner sealing pipe, valve pipe and screws turntable, valve pipe both ends are fixedly welded with ring flange, the valve tube top respectively Portion center is fixedly welded with sealing shell, and the sealing shell internal activity is plugged with elevating lever, is located at outside the elevating lever Sealing shell screw top is equipped with bearing inner race, is fixedly welded at the top of the bearing inner race and screws turntable, in the bearing Circle is external to be rotatably equipped with bearing outer ring, and the bearing outer ring outer wall is fixedly welded at the top of sealing shell and is fixedly welded, described Sealing shell inner wall is fixedly welded with inner sealing pipe, and the fixation of inner sealing inside pipe wall center is adhesive with the first retainer plate, The inner sealing inside pipe wall is fixedly installed with sealing film by the first retainer plate, inside the internally positioned seal pipe of elevating lever One section of fixing sleeve is connected to the second retainer plate, and the sealing film is fixed on lifting by the second retainer plate for one section far from the first retainer plate Outside bar；The elevating lever is located at one end inside valve pipe and is fixedly welded with valve plate.

Further, rotation is socketed with sealing block outside the elevating lever, and the sealing block fixation is adhesive in sealing shell Top inner wall.

Further, the valve plate is matched with valve pipe.

Further, the sealing film is flexible polyester film.

Further, the flange disc side is uniformly provided with threaded hole.

Compared with prior art, the utility model has the beneficial effects that

It, will be close by the second sealing ring by being fixed on inner sealing inside pipe wall for film one end is sealed using the first retainer plate The sealer other end is fixed on outside elevating lever, and sealing film is enable effectively to prevent the medium that grows out between elevating lever and sealing shell, Effectively medium is prevented to leak.

Detailed description of the invention

Fig. 1 is the utility model schematic cross-sectional view；

Fig. 2 is structural schematic diagram at A in the utility model Fig. 1.

In Fig. 1-2: 1- bearing outer ring；2- sealing block；3- sealing shell；4- inner sealing pipe；5- seals film；6- lifting Bar；7- ring flange；8- valve pipe；9- valve plate；The second retainer plate of 10-；The first retainer plate of 11-；12- bearing inner race；13-, which is screwed, to be turned Disk.

Specific embodiment

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.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of high pressure sluice valve sealing device, including sealing Shell 3, inner sealing pipe 4, valve pipe 8 and turntable 13 is screwed, 8 both ends of valve pipe are fixedly welded with ring flange 7, the valve respectively 8 top center of pipe is fixedly welded with sealing shell 3, and 3 internal activity of sealing shell is plugged with elevating lever 6, the elevating lever 6 Outside be located at 3 screw top of sealing shell bearing inner race 12 is installed, be fixedly welded at the top of the bearing inner race 12 screw turn Disk 13 is rotatably equipped with bearing outer ring 1 outside the bearing inner race 12, and it is outer that 1 outer wall of bearing outer ring is fixedly welded on sealing It is fixedly welded at the top of shell 3,3 inner wall of sealing shell is fixedly welded with inner sealing pipe 4, in 4 inner wall of inner sealing pipe The heart is fixed to be adhesive with the first retainer plate 11, and 4 inner wall of inner sealing pipe is fixedly installed with sealing film by the first retainer plate 11 5, the internally positioned 4 one section of fixing sleeve in inside of seal pipe of the elevating lever 6 is connected to the second retainer plate 10, and the sealing film 5 is far from the One 11 1 sections of retainer plate is fixed on outside elevating lever 6 by the second retainer plate 10；The elevating lever 6 is located at 8 inside one end of valve pipe It is fixedly welded with valve plate 9.

It is socketed with sealing block 2 by rotating outside the elevating lever 6, the sealing block 2 is fixed to be adhesive in the top of sealing shell 3 Portion's inner wall can be matched by the valve plate 9 with valve pipe 8 to being sealed inside sealing shell 3, convenient for right using valve plate 9 Valve pipe 8 is obstructed, and is flexible polyester film by the sealing film 5, elevating lever 6 can be followed to move up and down convenient for sealing film 5 It will not be broken off, threaded hole is uniformly provided with by 7 side of ring flange, convenient for the utility model is fixedly connected on pipeline In.

Working principle: in use, making medium between elevating lever 6 and sealing shell 3 using the pressure of 8 interior media of valve pipe It grows out, blocking of the medium by sealing film 5 is propped up sealing film 5, when rotation screws turntable 13, utilizes bearing inner race 12 With the threaded connection of elevating lever 6, elevating lever 6 is made to rise or decline, elevating lever 6 will not tear sealing film 5 at this time, and can Effective block media leaks.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of high pressure sluice valve sealing device, including sealing shell (3), inner sealing pipe (4), valve pipe (8) and screw turntable (13), it is characterised in that: valve pipe (8) both ends are fixedly welded with ring flange (7) respectively, and valve pipe (8) top center is solid Surely it is welded with sealing shell (3), sealing shell (3) internal activity is plugged with elevating lever (6), and the elevating lever (6) is external Positioned at sealing shell (3), screw top is equipped with bearing inner race (12), is fixedly welded with and is screwed at the top of the bearing inner race (12) Turntable (13), the bearing inner race (12) is external to be rotatably equipped with bearing outer ring (1), the fixed weldering of bearing outer ring (1) outer wall It connects and is fixedly welded at the top of sealing shell (3), sealing shell (3) inner wall is fixedly welded with inner sealing pipe (4), described interior The fixation of portion's seal pipe (4) inner wall center is adhesive with the first retainer plate (11), and inner sealing pipe (4) inner wall is fixed by first Circle (11) is fixedly installed with sealing film (5), and the internal one section of fixing sleeve of the internally positioned seal pipe of the elevating lever (6) (4) is connected to the Two retainer plates (10), the sealing film (5) are fixed on lifting by the second retainer plate (10) far from (11) one sections of the first retainer plate Bar (6) is external；The elevating lever (6) is located at the internal one end of valve pipe (8) and is fixedly welded with valve plate (9).

2. a kind of high pressure sluice valve sealing device according to claim 1, it is characterised in that: turn outside the elevating lever (6) Dynamic to be socketed with sealing block (2), sealing block (2) fixation is adhesive in sealing shell (3) top inner wall.

3. a kind of high pressure sluice valve sealing device according to claim 1, it is characterised in that: the valve plate (9) and valve pipe (8) It matches.

4. a kind of high pressure sluice valve sealing device according to claim 1, it is characterised in that: the sealing film (5) is soft Polyester film.

5. a kind of high pressure sluice valve sealing device according to claim 1, it is characterised in that: ring flange (7) side is equal It is even to offer threaded hole.