CN213419950U

CN213419950U - High-pressure-resistant wear-resistant gate valve

Info

Publication number: CN213419950U
Application number: CN202022168919.5U
Authority: CN
Inventors: 徐协红
Original assignee: Suqian Taiping Valve Fittings Co ltd
Current assignee: Suqian Taiping Valve Fittings Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-11
Anticipated expiration: 2030-09-28

Abstract

The utility model relates to a gate valve technical field just discloses a high pressure resistant stand wear and tear gate valve, including casing and gate valve body, the gate valve body runs through the left and right sides wall fixedly connected with of casing and intakes end and play water end, valve gap under the upper end fixedly connected with of gate valve body, the lateral wall that the upper end of valve gap runs through the casing down passes through bolt fixedly connected with and goes up the valve gap, the upper end screw hole and the threaded hole of going up the valve gap are connected with the valve rod through threaded meshing, the pole wall outside of valve rod seted up with screw hole assorted external screw thread, the upper end fixedly connected with carousel of valve rod, the lower extreme fixedly connected with case of valve rod, the gate valve body seted up with case assorted valve groove, the latch mechanism that two symmetries of the inside wall fixedly. The utility model provides the high sealed effect of equipment has improved the shock attenuation effect of equipment, has improved the life of equipment, makes things convenient for people to use.

Description

High-pressure-resistant wear-resistant gate valve

Technical Field

The utility model relates to a gate valve technical field especially relates to a high pressure resistant stand wear and tear gate valve.

Background

The gate valve is an opening and closing member gate plate, the movement direction of the gate plate is vertical to the fluid direction, the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled, the gate valve is sealed by the contact of a valve seat and the gate plate, and usually, metal materials are overlaid on a sealing surface to increase the wear resistance, such as overlaying welding, stainless steel and the like. The gate plate is divided into a rigid gate plate and an elastic gate plate according to the difference of the gate plate.

The wear-resisting gate valve of current high pressure resistant can lead to the inside wearing and tearing of gate valve along with the time change after long-time the use, causes the gate valve to leak, and the leakproofness is relatively poor, and when facing some comparatively torrent rivers, use the gate valve to produce a large amount of vibrations easily, cause the damage of gate valve, inconvenient people's use easily simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the gate valve leakproofness is relatively poor and receive the vibration damage easily among the prior art, and the wear and tear gate valve of a high pressure resistant that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high pressure resistant stand wear and tear gate valve, includes casing and gate valve body, the gate valve body runs through the left and right sides wall fixedly connected with of casing and intakes end and play water end, the valve gap under the upper end fixedly connected with of gate valve body, the lateral wall that the upper end of lower valve gap runs through the casing passes through bolt fixedly connected with and goes up the valve gap, the upper end of going up the valve gap is seted up threaded hole and is connected with the valve rod through the thread engagement, the pole wall outside of valve rod set up with screw hole assorted external screw thread, the upper end fixedly connected with carousel of valve rod, the lower extreme fixedly connected with case of valve rod, the gate valve body set up with case assorted valve slot, the clamping mechanism that two symmetries of inside wall fixedly connected with of lower valve.

Preferably, the clamping mechanism comprises a telescopic rod fixedly connected to the inner side wall of the lower valve cover, a sealing block fixedly connected to one end of the telescopic rod, and a telescopic spring sleeved outside the wall of the telescopic rod is fixedly connected between the sealing block and the lower valve cover.

Preferably, damper includes the inserted link of fixed connection at the casing lower extreme, the lower extreme sliding connection of inserted link has the inserted block, the upper end of inserted block seted up with inserted link assorted inserting groove, fixedly connected with grafting spring between inserting groove and the inserted link, fixedly connected with cup joints the damping spring in the inserted link pole wall outside between inserted block and the casing.

Preferably, a sealing gasket is fixedly connected to the side wall of the sealing block.

Preferably, a wear pad is fixedly connected in the groove bottom of the valve groove.

Compared with the prior art, the utility model provides a high pressure resistant stand wear and tear gate valve possesses following beneficial effect:

1. this high pressure resistant stand wear and tear gate valve through the telescopic link, sealed piece, expanding spring, the abrasion pad and the sealed pad that are equipped with, when equipment uses, can extrude sealed piece to lower end cover and this body coupling department of gate valve through expanding spring, block up sealedly, improve sealed effect through sealed the pad simultaneously, reduce case wearing and tearing through the abrasion pad, further improved the sealed effect of equipment, made things convenient for people to use.

2. This high pressure resistant stand wear and tear gate valve through the grafting pole that is equipped with, grafting piece, inserting groove, grafting spring and damping spring, when equipment receives vibrations, vibrations pass through casing transmission to grafting pole, and grafting pole and casing simultaneous phase downstream extrude grafting spring and damping spring and form deformation, and then form the two-stage buffering, have reduced vibrations and to the damage of gate valve body, have improved the shock attenuation effect of equipment, have improved the life of equipment, have made things convenient for people to use.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model provides the high sealed effect of equipment has improved the shock attenuation effect of equipment, has improved the life of equipment, has made things convenient for people to use.

Drawings

Fig. 1 is a schematic structural view of a high pressure resistant and wear resistant gate valve provided by the present invention;

fig. 2 is a schematic structural view of a part a of a high pressure resistant and wear resistant gate valve according to the present invention;

fig. 3 is a schematic structural diagram of a part B of the high pressure resistant and wear resistant gate valve of the present invention.

In the figure: the gate valve comprises a shell 1, a gate valve body 2, a water inlet end 3, a water outlet end 4, a lower valve cover 5, an upper valve cover 6, a threaded hole 7, a valve rod 8, an external thread 9, a rotary table 10, a valve core 11, a valve groove 12, a clamping mechanism 13, a telescopic rod 131, a sealing block 132, a telescopic spring 133, a damping mechanism 14, an insertion rod 141, an insertion block 142, an insertion groove 143, an insertion spring 144, a damping spring 145, a sealing gasket 15 and a wear-resistant pad 16.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a high pressure resistant wear-resistant gate valve, including casing 1 and gate valve body 2, gate valve body 2 runs through casing 1's the left and right sides wall fixedly connected with end of intaking 3 and play water end 4, valve gap 5 under the upper end fixedly connected with of gate valve body 2, the lateral wall that casing 1 was run through to lower valve gap 5's upper end passes through bolt fixedly connected with upper valve gap 6, upper valve gap 6's upper end is seted up threaded hole 7 and is connected with valve rod 8 through threaded engagement in the threaded hole 7, valve rod 8's the pole wall outside set up with threaded hole 7 assorted external screw thread 9, valve rod 8's upper end fixedly connected with carousel 10, valve rod 8's lower extreme fixedly connected with case 11, gate valve body 2 sets up with case 11 assorted valve slot 12, the inside wall fixedly connected with two symmetrical clamping mechanism 13 that set up of lower valve gap 5, the.

Clamping mechanism 13 includes the telescopic link 131 of fixed connection at the 5 inside walls of lower valve gap, and the one end fixedly connected with of telescopic link 131 seals up piece 132, and fixedly connected with cup joints the expanding spring 133 outside telescopic link 131 pole wall between sealed piece 132 and lower valve gap 5, can improve equipment's leakproofness.

Damping mechanism 14 includes the grafting pole 141 of fixed connection at casing 1 lower extreme, and the lower extreme sliding connection of grafting pole 141 has a grafting piece 142, and the upper end of grafting piece 142 is seted up with grafting pole 141 assorted inserting groove 143, fixedly connected with grafting spring 144 between inserting groove 143 and the grafting pole 141, and fixedly connected with cup joints the damping spring 145 in the grafting pole 141 pole wall outside between grafting piece 142 and the casing 1, can improve equipment's cushioning effect.

The side wall of the sealing block 132 is fixedly connected with the sealing gasket 15, so that the sealing performance of the equipment can be improved.

And a wear-resistant pad 16 is fixedly connected in the bottom of the valve groove 12, so that the abrasion of the valve core 11 can be reduced, and the sealing property is improved.

The utility model discloses in, in the use, when equipment uses, can extrude sealed piece 132 to lower end cover 5 and gate valve body 2 junction through expanding spring 133, it is sealed to block up, improve sealed effect through sealed pad 15 simultaneously, reduce case 11 wearing and tearing through wear pad 16, the sealed effect of equipment has further been improved, receive vibrations simultaneously at equipment, vibrations are through casing 1 transmission to bayonet rod 141, bayonet rod 141 and casing 1 simultaneous phase downstream, extrusion bayonet spring 144 and damping spring 145 form deformation, and then form the two-stage buffering, the damage of vibrations to gate valve body 2 has been reduced, the shock attenuation effect of equipment has been improved, the service life of equipment has been improved, people's use has been made things convenient for.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high-pressure-resistant and wear-resistant gate valve comprises a shell (1) and a gate valve body (2), and is characterized in that the gate valve body (2) penetrates through the left side wall and the right side wall of the shell (1) and is fixedly connected with a water inlet end (3) and a water outlet end (4), the upper end of the gate valve body (2) is fixedly connected with a lower valve cover (5), the upper end of the lower valve cover (5) penetrates through the side wall of the shell (1) and is fixedly connected with an upper valve cover (6) through bolts, the upper end of the upper valve cover (6) is provided with a threaded hole (7), a valve rod (8) is connected in the threaded hole (7) through threaded engagement, the outer side of the rod wall of the valve rod (8) is provided with external threads (9) matched with the threaded hole (7), the upper end of the valve rod (8) is fixedly connected with a turntable (10), the lower end of the valve rod (8), the clamping mechanism (13) that two symmetries of inside wall fixedly connected with of lower valve gap (5) set up, the equal fixedly connected with damper (14) of lower extreme four corners department of casing (1).

2. The gate valve with high pressure resistance and wear resistance as claimed in claim 1, wherein the clamping mechanism (13) comprises a telescopic rod (131) fixedly connected to the inner side wall of the lower valve cover (5), one end of the telescopic rod (131) is fixedly connected with a sealing block (132), and a telescopic spring (133) sleeved outside the rod wall of the telescopic rod (131) is fixedly connected between the sealing block (132) and the lower valve cover (5).

3. The gate valve of claim 1, wherein the damping mechanism (14) comprises an insertion rod (141) fixedly connected to the lower end of the housing (1), the lower end of the insertion rod (141) is slidably connected with an insertion block (142), the upper end of the insertion block (142) is provided with an insertion groove (143) matched with the insertion rod (141), an insertion spring (144) is fixedly connected between the insertion groove (143) and the insertion rod (141), and a damping spring (145) sleeved outside the rod wall of the insertion rod (141) is fixedly connected between the insertion block (142) and the housing (1).

4. The gate valve of claim 2, wherein a sealing gasket (15) is fixedly connected to the side wall of the sealing block (132).

5. High pressure and wear resistant gate valve according to claim 1, characterized in that a wear pad (16) is fixedly connected inside the bottom of the valve housing (12).