CN216692209U

CN216692209U - Novel gate valve for aerospace pipeline

Info

Publication number: CN216692209U
Application number: CN202220340333.9U
Authority: CN
Inventors: 洪志庆; 洪秀玲; 洪朝阳
Original assignee: Flange Valve Technology Co ltd
Current assignee: Flange Valve Technology Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-06-07
Anticipated expiration: 2032-02-21

Abstract

The utility model belongs to the technical field of gate valves, and particularly relates to a novel gate valve for an aerospace pipeline, wherein a sealing plate is arranged in the middle of a gate valve body, an expansion ring is integrally formed at the edge of the sealing plate, a sealing rubber ring sleeve is sleeved outside the expansion ring, a positioning snap ring is welded on the outer surface of the expansion ring, a positioning clamping groove is formed in the inner surface of the sealing rubber ring sleeve, the positioning snap ring is arranged inside the positioning clamping groove, and a screw hole is formed in the middle of the sealing plate; simultaneously, the outside of the expansion ring is sleeved with the sealant ring sleeve, so that the expansion ring can limit the sealant ring sleeve conveniently, the sealing plate and the sealant ring sleeve are matched to block the middle part of the gate valve pipe body, and meanwhile, the positioning snap ring welded to the outer surface of the expansion ring is arranged in the positioning snap groove formed in the inner side surface of the sealant ring sleeve, so that the stability of the sealant ring sleeve outside the expansion ring is improved, and the sealing strength of the sealant ring sleeve on the middle part of the gate valve pipe body is improved.

Description

Novel gate valve for aerospace pipeline

Technical Field

The utility model belongs to the technical field of gate valves, and particularly relates to a novel gate valve for an aerospace pipeline.

Background

The gate valve is a shutter, the movement direction of the shutter is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. Gate valves are sealed by the contact of the valve seat and the gate plate, and the sealing surface is usually bead-welded with a metallic material to increase wear resistance. The gate plate is divided into a rigid gate plate and an elastic gate plate according to the difference of the gate plate. Traditional gate valve is when using, and the sealing performance of gate valve is not enough, and the not enough problem of stability when gate valve rotates simultaneously.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a novel gate valve for an aerospace pipeline.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel gate valve for an aerospace pipeline comprises a gate valve pipe body, wherein a sealing plate is arranged in the middle of the gate valve pipe body, an expansion ring is integrally formed at the edge of the sealing plate, a sealing rubber sleeve is sleeved outside the expansion ring, a positioning snap ring is welded on the outer surface of the expansion ring, a positioning clamping groove is formed in the inner surface of the sealing rubber sleeve, the positioning snap ring is installed inside the positioning clamping groove, a screw hole is formed in the middle of the sealing plate, a connecting sleeve is installed on the outer surface of the middle of the gate valve pipe body through a bolt, a cover plate is installed at the upper end of the connecting sleeve through a bolt, a screw rod is screwed inside the screw hole, the upper end of the screw rod extends into the connecting position of the connecting sleeve and the cover plate, a driving gear is fixed at the upper end of the screw rod, plane bearings are installed on the upper surface and the lower surface of the driving gear, and the plane bearings on the lower surface of the driving gear are in contact with the upper end of the connecting sleeve, the flat bearing of drive gear upper surface and the lower surface contact of apron, rotate between connecting sleeve and the apron and install the planet wheel, and planet wheel and drive gear meshing, the last surface rotation of apron installs the hand and twists the carousel, and the hand is twisted the centre rod fixed connection of carousel and one of them planet wheel.

As the preferable technical scheme of the novel gate valve for the aerospace pipeline, four planet wheels are arranged and are distributed at equal intervals.

According to the preferable technical scheme of the novel gate valve for the aerospace pipeline, the inner surface of the central position of the gate valve body is symmetrically provided with the limiting skirt edges, and the limiting skirt edges are in contact with the outer surface of the sealing rubber sleeve.

As the optimal selection technical scheme of the novel gate valve for the aerospace pipeline, a limiting convex ring is integrally formed on the inner side surface of the limiting skirt edge, and the sealing rubber ring is sleeved by the extrusion of the limiting skirt edge.

As the preferable technical scheme of the novel gate valve for the aerospace pipeline, the expansion ring, the sealing rubber ring sleeve, the positioning snap ring and the positioning clamping groove are all circular rings.

According to the preferable technical scheme of the novel gate valve for the aerospace pipeline, the cross sections of the positioning clamping ring and the positioning clamping groove are both arc-shaped.

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

1. the sealing plate edge integrally formed expansion ring is used, the sealing rubber sleeve is sleeved outside the expansion ring, the expansion ring can limit the sealing rubber sleeve conveniently, the sealing plate and the sealing rubber sleeve are matched to plug the middle part of the gate valve body, the positioning snap ring welded on the outer surface of the expansion ring is arranged in the positioning snap groove formed in the inner side surface of the sealing rubber sleeve, the stability of the sealing rubber sleeve sleeved outside the expansion ring is improved, the sealing strength of the sealing rubber sleeve on the middle part of the gate valve body is improved, meanwhile, the screw hole is formed in the middle of the sealing plate, the screw rod is screwed in the screw hole, the sealing plate can move up and down conveniently when the screw rod rotates in the screw hole, the gate valve can be opened and closed conveniently, the driving gear is fixed at the upper end of the screw rod, and the driving gear is arranged between the connecting sleeve and the cover plate through the plane bearing, so that the rotation stability of the driving gear is improved, simultaneously drive gear and planet wheel meshing, it is fixed with the well core rod of one of them planet wheel that the carousel is twisted to the hand to be convenient for the hand twist the carousel and take the planet wheel to rotate, the planet wheel passes through drive gear and takes the screw rod to rotate, thereby the gate valve of being convenient for opens and close.

2. Through the four planet wheels that equidistant setting, drive gear passes through simultaneously to the convenience of drive gear pivoted between adapter sleeve and apron has been increased. Through the limiting skirt rims symmetrically arranged at the center of the gate valve pipe body, the limiting skirt rims are in contact with the outer surface of the sealing rubber sleeve, and the limiting convex rings are integrally formed on the limiting skirt rims, so that the sealing rubber sleeve is extruded by the limiting convex rings when in contact with the limiting skirt rims, and the sealing performance of the sealing rubber sleeve when in contact with the gate valve pipe body is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure of the closing plate, the expansion ring and the positioning snap ring in the present invention;

FIG. 4 is a schematic view of the connection structure of the connection sleeve and the cover plate in the present invention;

FIG. 5 is a schematic view of the drive gear and planet gear configuration of the present invention;

in the figure: 1. a gate valve body; 2. a closing plate; 3. an expansion ring; 4. sealing the rubber sleeve; 5. positioning the snap ring; 6. positioning the clamping groove; 7. a screw hole; 8. a connecting sleeve; 9. a cover plate; 10. a screw; 11. a drive gear; 12. a planet wheel; 13. screwing the turntable by hand; 14. and a plane bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a novel gate valve for an aerospace pipeline comprises a gate valve pipe body 1, wherein a sealing plate 2 is arranged in the middle of the gate valve pipe body 1, an expansion ring 3 is integrally formed at the edge of the sealing plate 2, a sealing rubber sleeve 4 is sleeved outside the expansion ring 3, a positioning snap ring 5 is welded on the outer surface of the expansion ring 3, a positioning clamping groove 6 is formed in the inner surface of the sealing rubber sleeve 4, the positioning snap ring 5 is installed inside the positioning clamping groove 6, a screw hole 7 is formed in the middle of the sealing plate 2, a connecting sleeve 8 is installed on the outer surface of the middle of the gate valve pipe body 1 through a bolt, a cover plate 9 is installed at the upper end of the connecting sleeve 8 through a bolt, a screw rod 10 is screwed inside the screw hole 7, the upper end of the screw rod 10 extends into the connecting position of the connecting sleeve 8 and the cover plate 9, a driving gear 11 is fixed at the upper end of the screw rod 10, planar bearings 14 are installed on the upper surface and the lower surface of the driving gear 11, and the planar bearing 14 on the lower surface of the driving gear 11 is in contact with the upper end of the connecting sleeve 8, the plane bearing 14 on the upper surface of the driving gear 11 is in contact with the lower surface of the cover plate 9, the planet gear 12 is rotatably mounted between the connecting sleeve 8 and the cover plate 9, the planet gear 12 is meshed with the driving gear 11, the hand-screwing rotary disc 13 is rotatably mounted on the upper surface of the cover plate 9, and the hand-screwing rotary disc 13 is fixedly connected with the central rod of one planet gear 12.

In the embodiment, the sealing rubber sleeve 4 is sleeved outside the expansion ring 3 through the integrally formed expansion ring 3 at the edge of the sealing plate 2, so that the sealing rubber sleeve 4 is limited by the expansion ring 3, the sealing plate 2 and the sealing rubber sleeve 4 are matched to block the middle part of the gate valve body 1, meanwhile, the positioning snap ring 5 welded on the outer surface of the expansion ring 3 is arranged in the positioning snap groove 6 arranged on the inner side surface of the sealing rubber sleeve 4, so that the stability of the sealing rubber sleeve 4 sleeved outside the expansion ring 3 is improved, the sealing strength of the sealing rubber sleeve 4 on the middle part of the gate valve body 1 is improved, meanwhile, the screw hole 7 arranged in the middle part of the sealing plate 2 is provided with the screw rod 10 in a screwed mode, when the screw rod 10 rotates inside the screw hole 7, the sealing plate 2 moves up and down, so that the gate valve is convenient to open and close, and meanwhile, the drive gear 11 is fixed at the upper end of the screw rod 10, and the driving gear 11 is installed between the connecting sleeve 8 and the cover plate 9 through the plane bearing 14, so that the rotating stability of the driving gear 11 is increased, meanwhile, the driving gear 11 is meshed with the planet wheel 12, the hand screwing rotary disc 13 is fixed with a central rod of one planet wheel 12, so that when the hand screwing rotary disc 13 drives the planet wheel 12 to rotate, the planet wheel 12 drives the screw rod 10 to rotate through the driving gear 11, and the opening and closing of the gate valve are facilitated.

Specifically, the number of the planet wheels 12 is four, and the four planet wheels 12 are distributed at equal intervals. In this embodiment, four planetary gears 12 are arranged at equal intervals, and the driving gear 11 passes through the four planetary gears, so that the convenience of the driving gear 11 in rotation between the connecting sleeve 8 and the cover plate 9 is improved.

Specifically, the inner surface of the central position of the gate valve pipe body 1 is symmetrically provided with limiting skirt rims, the limiting skirt rims are in contact with the outer surfaces of the sealing rubber sleeves 4, limiting convex rings are integrally formed on the inner side surfaces of the limiting skirt rims, and the sealing rubber sleeves 4 are extruded by the edge connection of the limiting skirts. In the embodiment, the limiting skirt rims are symmetrically arranged at the center of the gate valve pipe body 1, the limiting skirt rims are in contact with the outer surface of the sealing rubber sleeve 4, and the limiting convex rings are integrally formed on the limiting skirt rims, so that the sealing rubber sleeve 4 is extruded by the limiting convex rings when being in contact with the limiting skirt rims, and the sealing performance of the sealing rubber sleeve 4 when being in contact with the gate valve pipe body 1 is improved.

Specifically, the expansion ring 3, the sealing rubber ring sleeve 4, the positioning snap ring 5 and the positioning clamping groove 6 are all circular rings, and the cross sections of the positioning snap ring 5 and the positioning clamping groove 6 are both arc-shaped. Specifically, the cross sections of the positioning snap ring 5 and the positioning clamping groove 6 are both arc-shaped.

The working principle and the using process of the utility model are as follows: during installation, the closing plate 2 with the edge sleeved with the sealing rubber sleeve 4 is installed inside the gate valve pipe body 1, the gate valve pipe body 1 is fixed with the connecting sleeve 8 through bolts, the screw 10 penetrates through the connecting sleeve 8 and is screwed inside the screw hole 7, one of the plane bearings 14 is installed between the driving gear 11 and the connecting sleeve 8, the other plane bearing 14 is installed between the driving gear 11 and the cover plate 9, the planet gear 12 is installed between the connecting sleeve 8 and the cover plate 9, the hand-screwing turntable 13 is fixed with a central rod of one of the planet gears 12, the connecting sleeve 8 and the cover plate 9 are fixed through the bolts, when the gate valve is used, the hand-screwing turntable 13 is rotated, the hand-screwing turntable 13 drives the driving gear 11 to rotate through the planet gear 12, and the driving gear 11 drives the screw 10 to rotate inside the screw hole 7, so that the closing plate 2 moves inside the gate valve pipe body 1, meanwhile, the sealing rubber sleeve 4 slides on the inner surface of the gate valve body 1, so that the gate valve is opened and closed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel gate valve for space pipeline, includes gate valve body (1), its characterized in that: the middle part of the gate valve pipe body (1) is provided with a sealing plate (2), the edge of the sealing plate (2) is integrally formed to be provided with an expansion ring (3), a sealing rubber sleeve (4) is sleeved outside the expansion ring (3), a positioning snap ring (5) is welded on the outer surface of the expansion ring (3), a positioning clamping groove (6) is formed in the inner surface of the sealing rubber sleeve (4), the positioning snap ring (5) is installed inside the positioning clamping groove (6), a screw hole (7) is formed in the middle part of the sealing plate (2), a connecting sleeve (8) is installed on the outer surface of the middle part of the gate valve pipe body (1) through a bolt, a cover plate (9) is installed on the upper end of the connecting sleeve (8) through a bolt, a screw rod (10) is screwed inside the screw hole (7), and the upper end of the screw rod (10) extends into the joint of the connecting sleeve (8) and the cover plate (9), and the upper end of screw rod (10) is fixed with drive gear (11), the upper and lower surface mounting of drive gear (11) has flat face bearing (14), and the upper end contact of flat face bearing (14) and connecting sleeve (8) of drive gear (11) lower surface, the lower surface contact of flat face bearing (14) and apron (9) of drive gear (11) upper surface, rotate between connecting sleeve (8) and apron (9) and install planet wheel (12), and planet wheel (12) and drive gear (11) meshing, the upper surface rotation of apron (9) is installed the hand and is twisted carousel (13), and the hand is twisted carousel (13) and the well core rod fixed connection of one of them planet wheel (12).

2. The novel gate valve for the aerospace pipeline according to claim 1, wherein: the number of the planet wheels (12) is four, and the four planet wheels (12) are distributed at equal intervals.

3. The novel gate valve for the aerospace pipeline according to claim 1, wherein: the inner surface of the central position of the gate valve pipe body (1) is symmetrically provided with limiting skirt edges, and the limiting skirt edges are in contact with the outer surface of the sealing rubber sleeve (4).

4. The novel gate valve for the aerospace pipeline according to claim 3, wherein: the inner side surface of the limiting skirt edge is integrally provided with a limiting convex ring, and the sealing rubber sleeve (4) is extruded by the edge connection of the limiting skirt edge.

5. The novel gate valve for the aerospace pipeline according to claim 1, wherein: the expansion ring (3), the sealing rubber sleeve (4), the positioning snap ring (5) and the positioning clamping groove (6) are all circular rings.

6. The novel gate valve for the aerospace pipeline as claimed in claim 5, wherein: the cross sections of the positioning clamping ring (5) and the positioning clamping groove (6) are arc-shaped.