CN217977429U

CN217977429U - Valve convenient to overhaul

Info

Publication number: CN217977429U
Application number: CN202221623148.7U
Authority: CN
Inventors: 路倩倩
Original assignee: Zhejiang Gugang Technology Co ltd
Current assignee: Zhejiang Gugang Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-12-06
Anticipated expiration: 2032-06-24

Abstract

The utility model provides a valve convenient to overhaul belongs to valve maintenance technical field. The valve for easy access includes a valve body portion and a removal assembly. The valve body part comprises a valve body, a valve cover, a valve seat, a valve rod and a hand wheel, the valve cover is arranged at the top of the valve body, the valve seat is positioned in the valve body, the bottom end of the valve rod is fixedly connected to the top of the valve seat, the valve rod is in threaded connection with the valve cover, and the hand wheel is arranged at the top end of the valve rod; the disassembly assembly comprises an ear plate, a fixing bolt, an adjusting bolt, a fixing nut and a support ring, and the ear plate is integrally connected to the outer side of the bottom of the valve cover. Rotating adjusting bolt, moving in vertical direction simultaneously at the outside pivoted adjusting bolt of fixation nut for adjusting bolt's bottom is tightly supported the support ring, forces the otic placode to drive valve gap rebound and valve body to break away from, realizes that the light state of corrosion also can easily be dismantled appearing between valve body and the valve gap.

Description

Valve convenient to overhaul

Technical Field

The utility model relates to a valve overhauls the field, particularly, relates to a valve convenient to overhaul.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. The valve is used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, mud, oil products, liquid metal, radioactive media and the like.

The valve is used for a long time, and whether the inner walls of the valve body, the valve seat, the valve cover and the like have cracks or not needs to be periodically overhauled by maintainers. Because the valve gap is fixed closely with the valve body, can produce the phenomenon of corrosion bonding between valve gap and the valve body for a long time, be difficult for opening valve gap and valve body.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a valve convenient to overhaul aims at improving because fixed inseparable between valve gap and the valve body, can produce the adhesive phenomenon of corrosion for a long time between valve gap and the valve body, is difficult for the problem of opening valve gap and valve body.

The utility model discloses a realize like this:

the utility model provides a valve convenient to overhaul, including valve main part and detaching assembly.

The valve body comprises a valve body, a valve cover, a valve seat, a valve rod and a hand wheel, wherein the valve cover is arranged at the top of the valve body, the valve seat is positioned in the valve body, the bottom end of the valve rod is fixedly connected to the top of the valve seat, the valve rod is in threaded connection with the valve cover, and the hand wheel is arranged at the top end of the valve rod;

the disassembly component comprises an ear plate, a fixing bolt, an adjusting bolt, a fixing nut and a support ring, the ear plate is integrally connected to the outer side of the bottom of the valve cover, the support ring is positioned below the ear plate, the support ring is fixedly sleeved on the outer side of the top of the valve body, fixing bolt fixed connection in the valve gap with the valve body, fixation nut fixed set up in the otic placode bottom, adjusting bolt's screw rod activity run through in the otic placode and with fixation nut spiro union cooperation, adjusting bolt's screw rod bottom with the support ring upper surface contacts.

In an embodiment of the present invention, the valve body top is provided with a threaded hole matched with the fixing bolt.

The utility model discloses an in one embodiment, the annular has been seted up to the valve gap bottom outside, the inside fixed first sealing ring that is equipped with of annular.

In an embodiment of the present invention, the first sealing ring is provided with a first groove on an outer side thereof, and the number of the first grooves is at least two.

The utility model discloses an in one embodiment, the valve cap bottom end is fixed and is provided with the second sealing ring, the second sealing ring cover is located the valve rod is outside.

The utility model discloses an in one embodiment, the valve bonnet bottom is provided with the draw-in groove, the fixed embedding in second sealing ring top is located inside the draw-in groove.

In an embodiment of the present invention, a second groove is provided outside the second sealing ring, and the number of the second grooves is at least two.

In an embodiment of the present invention, the top of the ear plate is provided with a mounting hole matched with the adjusting bolt, and the top of the inside of the valve cover is provided with a sealing gasket.

The beneficial effects of the utility model are that: the valve convenient to overhaul is obtained by the design, when the valve cover above the valve body needs to be dismantled and the valve body, the valve cover and the valve seat need to be overhauled, the valve body and the valve cover are fixedly dismounted by rotating the fixing bolt; and then the adjusting bolt is rotated, and the adjusting bolt rotating outside the fixing nut moves in the vertical direction at the same time, so that the bottom end of the adjusting bolt tightly abuts against the support ring, the lug plate is forced to drive the valve cover to move upwards to be separated from the valve body, and the situation that slight corrosion occurs between the valve body and the valve cover can be easily disassembled.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a valve structure for easy maintenance provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a valve cover, a valve rod, a hand wheel and a disassembling assembly provided by an embodiment of the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 2 according to an embodiment of the present invention;

fig. 4 is an enlarged schematic structural diagram of a portion B in fig. 2 according to an embodiment of the present invention.

In the figure: 10-a valve body portion; 110-a valve body; 111-a threaded hole; 120-valve cover; 121-ring groove; 122-a card slot; 130-a valve seat; 140-a valve stem; 150-hand wheel; 160-a seal gasket; 170 — a first seal ring; 171-a first trench; 180-a second sealing ring; 181-second trench; 20-disassembling the assembly; 210-ear plate; 220-fixing the bolt; 230-an adjusting bolt; 240-fixing nut; 250-support ring.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a valve for easy maintenance, which comprises a valve body 10 and a disassembling assembly 20.

Wherein, valve body portion 10 and dismantlement subassembly 20 mutually support, realize that can divide the box to dismantle between valve body 110 and the valve gap 120 among the valve body portion 10 and overhaul valve body 110, valve gap 120 and disk seat 130 comparatively easily.

Referring to fig. 1 and 2, the valve body portion 10 includes a valve body 110, a bonnet 120, a valve seat 130, a valve stem 140, and a handwheel 150. The valve cover 120 is arranged at the top of the valve body 110, the valve seat 130 is positioned inside the valve body 110, the bottom end of the valve rod 140 is fixedly connected to the top of the valve seat 130, and the valve rod 140 and the valve seat 130 are fixed by welding; the valve rod 140 is in threaded connection with the valve cover 120, and the hand wheel 150 is installed at the top end of the valve rod 140; the handwheel 150 and the valve stem 140 are fixed by welding. The detachment assembly 20 includes an ear plate 210, a fixing bolt 220, an adjustment bolt 230, a fixing nut 240, and a support ring 250. The lug plate 210 is integrally connected to the outer side of the bottom of the valve cover 120, the support ring 250 is located below the lug plate 210, the support ring 250 is fixedly sleeved on the outer side of the top of the valve body 110, and the support ring 250 and the valve body 110 are fixed by welding. The fixing bolt 220 is fixedly connected to the bonnet 120 and the valve body 110, the fixing nut 240 is fixedly arranged at the bottom of the lug plate 210, and the fixing nut 240 and the lug plate 210 are fixed by welding; the screw of the adjusting bolt 230 movably penetrates the ear plate 210 and is in threaded fit with the fixing nut 240, and the bottom end of the screw of the adjusting bolt 230 contacts with the upper surface of the support ring 250.

When the valve cover 120 above the valve body 110 needs to be disassembled and the valve body 110, the valve cover 120 and the valve seat 130 need to be overhauled, the valve body 110 and the valve cover 120 are fixedly disassembled by rotating the fixing bolt 220; then, the adjusting bolt 230 is rotated, and the adjusting bolt 230 rotating outside the fixing nut 240 moves in the vertical direction at the same time, so that the bottom end of the adjusting bolt 230 tightly abuts against the support ring 250, the lug plate 210 is forced to drive the bonnet 120 to move upwards to be separated from the valve body 110, and the valve body 110 and the bonnet 120 can be easily disassembled even if slight corrosion occurs.

In the above embodiment, referring to fig. 2, 3 and 4, the top of the valve body 110 is provided with a threaded hole 111 for engaging with the fixing bolt 220. The screw hole 111 is fixedly installed by fitting a fixing bolt 220. The bottom end of the valve cover 120 is provided with a ring groove 121, and a first sealing ring 170 is fixedly embedded in the ring groove 121. The first sealing ring 170 is provided with at least two first grooves 171 on the outer side thereof, and the first grooves 171 are provided. The bottom end of the bonnet 120 is fixedly provided with a second sealing ring 180, and the second sealing ring 180 is sleeved outside the valve rod 140. The bottom of the valve cover 120 is provided with a clamping groove 122, and the top of the second sealing ring 180 is fixedly embedded in the clamping groove 122. The outer side of the second sealing ring 180 is provided with at least two second grooves 181, and the number of the second grooves 181 is at least two. The top of the ear plate 210 is provided with a mounting hole for matching with the adjusting bolt 230, and the top of the interior of the valve cover 120 is provided with a sealing gasket 160.

The first sealing ring 170, the second sealing ring 180 and the sealing gasket 160 perform a good sealing function, so that a liquid leakage condition between the valve body 110 and the valve cover 120 is not easily generated. The first groove 171 outside the first seal ring 170 and the second groove 181 outside the second seal ring 180 improve the sealing performance of the first seal ring 170 and the second seal ring 180.

The operating principle of the valve convenient to overhaul is as follows: when the valve cover 120 above the valve body 110 needs to be detached and the valve body 110, the valve cover 120 and the valve seat 130 need to be overhauled, the valve body 110 and the valve cover 120 are fixed and detached by rotating the fixing bolt 220; then, the adjusting bolt 230 is rotated, and the adjusting bolt 230 rotating outside the fixing nut 240 moves in the vertical direction at the same time, so that the bottom end of the adjusting bolt 230 tightly abuts against the support ring 250, the lug plate 210 is forced to drive the valve cover 120 to move upwards to be separated from the valve body 110, and the valve body 110 and the valve cover 120 can be easily disassembled even if slight corrosion occurs between the valve body 110 and the valve cover 120.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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. A valve convenient for maintenance is characterized by comprising

The valve comprises a valve body part (10), the valve body part (10) comprises a valve body (110), a valve cover (120), a valve seat (130), a valve rod (140) and a hand wheel (150), the valve cover (120) is arranged on the top of the valve body (110), the valve seat (130) is located inside the valve body (110), the bottom end of the valve rod (140) is fixedly connected to the top of the valve seat (130), the valve rod (140) and the valve cover (120) are arranged in a threaded mode, and the hand wheel (150) is installed at the top end of the valve rod (140);

dismantle subassembly (20), dismantle subassembly (20) including otic placode (210), fixing bolt (220), adjusting bolt (230), fixation nut (240) and support ring (250), otic placode (210) integrated into one piece connect in valve gap (120) bottom outside, support ring (250) are located otic placode (210) below, just support ring (250) fixed cover is located the valve body (110) top outside, fixing bolt (220) fixed connection in valve gap (120) with valve body (110), fixation nut (240) fixed set up in otic placode (210) bottom, the screw rod activity of adjusting bolt (230) run through in otic placode (210) and with fixation nut (240) spiro union cooperation, the bottom screw rod of adjusting bolt (230) with support ring (250) upper surface contacts.

2. An easy-to-service valve as claimed in claim 1, wherein the top of the valve body (110) is provided with a threaded hole (111) for matching with the fixing bolt (220).

3. The valve convenient to overhaul according to claim 1, wherein the valve cover (120) has a ring groove (121) formed on an outer side of a bottom end thereof, and the first sealing ring (170) is fixedly embedded in the ring groove (121).

4. An easy-to-service valve as claimed in claim 3, wherein the first sealing ring (170) is provided with a first groove (171) on the outside, and at least two first grooves (171) are provided.

5. The valve convenient for maintenance of claim 1, wherein a second sealing ring (180) is fixedly arranged at the bottom end of the valve cover (120), and the second sealing ring (180) is sleeved outside the valve rod (140).

6. An easy-to-service valve as claimed in claim 5, wherein the bottom of the valve cap (120) is provided with a slot (122), and the top of the second sealing ring (180) is fixedly embedded inside the slot (122).

7. An easy-to-service valve as claimed in claim 6, wherein the second sealing ring (180) is provided with a second groove (181) on the outside, and at least two second grooves (181) are provided.

8. An easy-to-service valve as claimed in claim 1, wherein the top of the ear plate (210) is provided with a mounting hole for cooperating with the adjusting bolt (230), and the top of the interior of the valve cover (120) is provided with a sealing gasket (160).