CN218818268U

CN218818268U - Sealing surface device of stainless steel gate valve

Info

Publication number: CN218818268U
Application number: CN202223355893.0U
Authority: CN
Inventors: 罗怡
Original assignee: Jiangsu Minyi Machinery Manufacturing Co ltd
Current assignee: Jiangsu Minyi Machinery Manufacturing Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-07
Anticipated expiration: 2032-12-14

Abstract

The application discloses a sealing surface device of a stainless steel gate valve, which comprises a valve seat, a sealing mechanism and a fixing mechanism; sealing mechanism includes the seal groove, the seal groove is fixed to be established in the disk seat, the first sealing washer has been cup jointed in the slip of seal groove bottom, first sealing washer is fixed cup joints on the valve rod, the valve rod both ends screw thread respectively run through seal groove and disk seat both sides and extend to the outside, fixedly connected with annular rubber pad on the first sealing washer. This application passes through the equal threaded connection in two departments about valve rod and the disk seat, moves on the disk seat when the valve rod pivoted, drives the motion of the first sealing washer on the fixed valve rod that cup joints through valve rod upward movement, and in the ring-shaped rubber pad inserted the ring channel, prevented the outside gap overflow of disk seat when opening the gate valve, the reversal valve rod can drive the valve rod downstream, and second sealing washer overlap joint has improved the sealed effect of gate valve at the disk seat top through the cooperation of first sealing washer and second sealing washer.

Description

Sealing surface device of stainless steel gate valve

Technical Field

The application relates to the field of gate valve sealing, in particular to a sealing surface device of a stainless steel gate valve.

Background

The opening and closing part of the gate valve is a gate plate, the moving direction of the gate plate is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled.

The existing gate valve mostly adopts a stainless steel gate valve, and when the gate valve is used, because the valve seat and the valve rod of the gate valve are usually connected through threads, the sealing effect of the sealing position of the gate valve is poor, so that overflow is easily caused, and the use of the gate valve is influenced. Therefore, a sealing surface device of a stainless steel gate valve is proposed to solve the above problems.

Disclosure of Invention

The sealing surface device of the stainless steel gate valve is provided in the embodiment and used for solving the problem of poor sealing effect of the gate valve in the prior art.

According to one aspect of the application, a sealing surface device of a stainless steel gate valve is provided, which comprises a valve seat, a sealing mechanism and a fixing mechanism;

sealing mechanism includes the seal groove, the seal groove is fixed to be established in the disk seat, the first sealing washer has been cup jointed in the slip of seal groove bottom, first sealing washer is fixed to be cup jointed on the valve rod, the valve rod both ends are the screw thread respectively and run through seal groove and disk seat both sides and extend to the outside, fixedly connected with ring rubber pad on the first sealing washer, the disk seat top overlap joint has the second sealing washer, the second sealing washer is fixed to be cup jointed on the valve rod, the second sealing washer is fixed to be cup jointed in the casing, the casing is fixed to be cup jointed on the valve rod.

Furthermore, an annular groove is fixedly formed in the position, located on the same vertical line of the annular rubber gasket, of the top in the sealing groove.

Further, fixed establishment includes the spliced pole, spliced pole fixed connection is on the valve rod top, the spliced pole overcoat has cup jointed the piece, cup joint piece both sides are all fixed and are equipped with fixed cavity, two equal two fixedly connected with springs in the fixed cavity, four the spring other end is fixed respectively at two sliding plate both ends, two equal fixedly connected with inserted bar on the sliding plate, two the inserted bar other end runs through fixed cavity and extends to the outside, two the inserted bar is pegged graft on the inserting groove, two the inserting groove is fixed respectively and is established in the spliced pole both sides, the equal fixedly connected with backup pad in cup joint piece top both ends, two the backup pad is fixed connection respectively at rolling disc bottom both ends.

Furthermore, the two ends of the sliding plate are sleeved with sleeved rods in a sliding mode, and the two ends of the sleeved rods are fixedly connected to the two side walls of the fixed cavity respectively.

Furthermore, a pull rod is fixedly connected to the sliding plate, and the other end of the pull rod penetrates through the fixed cavity and extends to the outside.

Furthermore, a fixed block is fixedly connected to the top end of the connecting column, and the fixed block is inserted into the rotating disc.

Through the above-mentioned embodiment of this application, adopted sealing mechanism, solved the relatively poor problem of gate valve seal effect, improved the result of use of gate valve.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

fig. 3 is a schematic diagram of a partial enlarged structure at a in fig. 2 according to an embodiment of the present application.

In the figure: 1. a valve seat; 2. a first seal ring; 3. an annular rubber pad; 4. a sealing groove; 5. an annular groove; 6. a housing; 7. a second seal ring; 8. sleeving and connecting blocks; 9. a support plate; 10. rotating the disc; 11. a fixed block; 12. connecting columns; 13. a valve stem; 14. a pull rod; 15. a spring; 16. a fixed cavity; 17. a sleeved rod; 18. inserting grooves; 19. a plug-in rod; 20. a sliding plate.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-3, a sealing surface device of a stainless steel gate valve includes a valve seat 1, a sealing mechanism and a fixing mechanism;

sealing mechanism includes seal groove 4, seal groove 4 is fixed to be established in disk seat 1, first sealing washer 2 has been cup jointed in the slip of 4 bottoms of seal groove, the fixed cup joint of first sealing washer 2 is on valve rod 13, valve rod 13 both ends are the screw thread respectively and are run through seal groove 4 and 1 both sides of disk seat and extend to the outside, fixedly connected with annular rubber pad 3 on the first sealing washer 2, 1 top overlap joint of disk seat has second sealing washer 7, second sealing washer 7 is fixed to be cup jointed on valve rod 13, second sealing washer 7 is fixed to be cup jointed in casing 6, casing 6 is fixed to be cup jointed on valve rod 13, is convenient for drive first sealing washer 2 and the motion of second sealing washer 7 through valve rod 13 motion pole, improves the sealed effect of disk seat 1 when valve rod 13 rotates through the cooperation between first sealing washer 2 and second sealing washer 7.

An annular groove 5 is fixedly formed in the position, located on the same vertical line of the annular rubber pad 3, of the top in the sealing groove 4, so that the annular rubber pad 3 can be conveniently inserted into the annular groove 5, and the sealing effect is improved; the fixing mechanism comprises a connecting column 12, the connecting column 12 is fixedly connected to the top end of a valve rod 13, a sleeving block 8 is sleeved outside the connecting column 12, fixed cavities 16 are fixedly arranged on two sides of the sleeving block 8, two springs 15 are fixedly connected in the two fixed cavities 16, the other ends of the four springs 15 are respectively fixed at two ends of two sliding plates 20, inserting rods 19 are fixedly connected to the two sliding plates 20, the other ends of the two inserting rods 19 penetrate through the fixed cavities 16 and extend to the outside, the two inserting rods 19 are inserted into inserting grooves 18, the two inserting grooves 18 are respectively fixedly arranged at two sides of the connecting column 12, supporting plates 9 are fixedly connected to two ends of the top of the sleeving block 8, and the two supporting plates 9 are respectively fixedly connected to two ends of the bottom of the rotating disc 10, so that the rotating disc 10 can be fixedly installed and detached conveniently; the two ends of the sliding plate 20 are sleeved with the sleeving rods 17 in a sliding manner, and the two ends of the sleeving rods 17 are fixedly connected to the two side walls of the fixed cavity 16 respectively, so that the movement direction of the sliding plate 20 can be fixed conveniently; a pull rod 14 is fixedly connected to the sliding plate 20, and the other end of the pull rod 14 penetrates through the fixed cavity 16 and extends to the outside, so that the sliding plate 20 is driven to move; the top end of the connecting column 12 is fixedly connected with a fixing block 11, and the fixing block 11 is inserted in the rotating disc 10, so that the rotating disc 10 is fixed conveniently.

The utility model discloses when using, the electrical components that appear in this application all external intercommunication power and control switch when using, at first cup joint piece 8 outside spliced pole 12, outside pulling pull rod 14, drive the motion of sliding plate 20, two spliced pole 19 are to the internal motion of fixed cavity 16, sliding plate 20 slides on cup jointing pole 17, spring 15 compresses, 19 move to when contacting with spliced groove 18 at spliced pole, loosen pull rod 14, spring 15 promotes sliding plate 20 and slides on cup jointing pole 17, drive spliced pole 19 and peg graft in spliced groove 18, install carousel 10 at spliced pole 12 top, rotate through carousel 10 and drive spliced pole 12 and rotate, thereby drive valve rod 13 and rotate, through valve rod 13 and the equal threaded connection in two places about 1, move on disk seat 1 in the pivoted of valve rod 13, drive the first sealing washer 2 motion on the fixed valve rod 13 that cup joints through the upward movement of lap joint 13, ring rubber pad 3 inserts in ring channel 5, prevent the reversal of 1 outside gap when will open, valve rod 13 can drive downward movement of valve rod 13, second sealing washer 7 is at disk seat 1 and the sealed gate valve seal gate valve 7 of second sealing washer 2 cooperation top through the sealed gate valve 7.

The application has the advantages that:

1. according to the gate valve, the valve rod is in threaded connection with the upper portion and the lower portion of the valve seat, the valve rod moves on the valve seat while rotating, the valve rod moves upwards to drive the first sealing ring on the fixedly sleeved valve rod to move, the annular rubber gasket is inserted into the annular groove, the gate valve is opened while gaps outside the valve seat are prevented from overflowing, the valve rod can be driven by the reverse rotating valve rod to move downwards, the second sealing ring is lapped on the top of the valve seat, and the sealing effect of the gate valve is improved through the matching of the first sealing ring and the second sealing ring;

2. this application will cup joint the piece and cup joint outside the spliced pole, outside pulling pull rod, drive the sliding plate motion, two peg graft poles are to fixed cavity intracavity motion, the sliding plate slides on cup jointing the pole, the spring compression, move to when contacting with the inserting groove at the peg graft pole, loosen the pull rod, the spring promotes the sliding plate and slides on cup jointing the pole, it pegs graft at the inserting groove to drive the peg graft pole, install the rolling disc at the spliced pole top, rotate through the rolling disc and drive the spliced pole and rotate, thereby it rotates to drive the valve rod.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a sealed face device of stainless steel gate valve which characterized in that: comprises a valve seat (1), a sealing mechanism and a fixing mechanism;

sealing mechanism includes seal groove (4), seal groove (4) are fixed to be established in disk seat (1), first sealing washer (2) have been cup jointed in the slip of seal groove (4) bottom, fixed cup joint of first sealing washer (2) is on valve rod (13), valve rod (13) both ends are respectively the screw thread and run through seal groove (4) and disk seat (1) both sides and extend to the outside, fixedly connected with ring rubber pad (3) are gone up in first sealing washer (2), disk seat (1) top overlap joint has second sealing washer (7), fixed cup joint of second sealing washer (7) is on valve rod (13), second sealing washer (7) are fixed to be cup jointed in casing (6), casing (6) are fixed to be cup jointed on valve rod (13).

2. The sealing surface device of a stainless steel gate valve according to claim 1, wherein: and the top in the sealing groove (4) is fixedly provided with an annular groove (5) at the same vertical line of the annular rubber pad (3).

3. The sealing surface device of a stainless steel gate valve according to claim 1, wherein: fixed establishment includes spliced pole (12), spliced pole (12) fixed connection is on valve rod (13) top, spliced pole (12) overcoat has connect and has cup jointed piece (8), all fixed being equipped with fixed cavity (16), two in fixed cavity (16) equal fixedly connected with two springs (15), four spring (15) other end is fixed respectively at two sliding plate (20) both ends, two on sliding plate (20) equal fixedly connected with inserted bar (19), two inserted bar (19) other end runs through fixed cavity (16) and extends to the outside, two inserted bar (19) are pegged graft on inserted bar (18), two inserted bar (18) are fixed respectively and are established in spliced pole (12) both sides, the equal fixedly connected with backup pad (9) in spliced piece (8) top both ends, two backup pad (9) fixed connection respectively is at carousel (10) bottom both ends.

4. The sealing surface device of a stainless steel gate valve according to claim 3, wherein: the two ends of the sliding plate (20) are sleeved with the sleeve-joint rods (17) in a sliding mode, and the two ends of the sleeve-joint rods (17) are fixedly connected to the two side walls of the fixed cavity (16) respectively.

5. The sealing surface device of a stainless steel gate valve according to claim 3, wherein: a pull rod (14) is fixedly connected to the sliding plate (20), and the other end of the pull rod (14) penetrates through the fixed cavity (16) and extends to the outside.

6. The sealing surface device of a stainless steel gate valve according to claim 3, wherein: the top end of the connecting column (12) is fixedly connected with a fixing block (11), and the fixing block (11) is inserted in the rotating disc (10).