CN217081506U - Integral track valve of valve gap - Google Patents
Integral track valve of valve gap Download PDFInfo
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- CN217081506U CN217081506U CN202220839808.9U CN202220839808U CN217081506U CN 217081506 U CN217081506 U CN 217081506U CN 202220839808 U CN202220839808 U CN 202220839808U CN 217081506 U CN217081506 U CN 217081506U
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- valve
- packing
- gland
- support
- valve rod
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- 238000012856 packing Methods 0.000 claims abstract description 89
- 210000004907 gland Anatomy 0.000 claims abstract description 44
- 239000000945 filler Substances 0.000 claims abstract description 17
- 238000005242 forging Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to an integral track valve of valve gap. The main technical problem who has the stability in use difference, the structure is complicated, the installation is inconvenient of current track valve of solving. Including valve body, disk seat, spheroid, valve gap, support and valve rod, the packing device includes filler seat, filler and gland, the support forms with the integrative forging of valve gap, be equipped with the breach on the support, the valve rod passes breach, valve gap and is connected with the spheroid, gland locates in the breach and overlaps and locates outside the valve rod, just gland and filler extrusion fit, gland passes through locking mechanism fixed connection on the support. This track valve adopts support and valve gap integral type structure to the adoption sets up the breach and passes through locking mechanism to fix the filler device on the support, has both solved the relatively poor defect of current split type structural stability, has solved the installation again troublesome, problem that the structure is complicated, and it is high to have stability in use, simple to operate, advantages such as the structure is simple and easy.
Description
Technical Field
The utility model relates to a track valve especially relates to an integral track valve of valve gap.
Background
The operating principle of the orbit valve is as follows: in the closed position, the ball is pressed against the valve seat by the mechanical pressure of the valve stem. When the hand wheel is rotated anticlockwise, the valve rod moves reversely, and the angular plane at the bottom of the valve rod enables the ball to be separated from the valve seat. The valve stem continues to lift and interact with the valve stem to begin the frictionless rotation of the ball. Until the full-open position is reached, the valve rod is lifted to the limit position, and the ball body rotates to the full-open position. At present, current track valve mainly includes parts such as valve body, spheroid, disk seat, valve gap and valve rod, and partial structure mainly comprises valve gap, support, filler structure, drive arrangement etc. on the valve gap, and drive arrangement installs on the support, and the valve rod passes support, valve gap and is connected with the valve body, because support and valve gap are split type connection structure for the valve rod when the installation location, has the problem that positioning deviation, precision descend, thereby leads to the valve when using, and stability descends. In addition, because the support and the valve cover adopt a split type connecting structure, the defects of inconvenient installation, complex structure, high cost and the like exist.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming and the weak point of background art, the utility model provides an integral track valve of valve gap mainly solves current track valve and has the poor stability in use, and the structure is complicated, the inconvenient technical problem of installation.
The technical scheme of the utility model is that: the utility model provides an integral track valve of valve gap, includes valve body, disk seat, spheroid, valve gap, support and valve rod, the disk seat is located the valve body and cooperatees with the spheroid, the valve gap is connected with the valve body, the support is located the upper end of valve gap, and the valve gap is connected with the spheroid, be equipped with packing device between valve gap and the valve rod, packing device includes filler seat, filler and gland, the support forms with the integrative forging of valve gap, the middle part of support is equipped with the breach, the valve rod passes the breach and stretches into in the valve gap and is connected with the spheroid, the filler is located the filler seat top and locates between valve gap and the valve rod, gland is located the breach and overlaps and locates outside the valve rod, gland passes through locking mechanism fixed connection and constitutes gland pushes down and cooperates with the filler extrusion.
The locking mechanism comprises a hexagon head bolt, a nut and a split pin, an inner hexagon step hole is formed in the packing gland, an opening is formed in a support at the lower end of the packing gland, the head of the hexagon head bolt is arranged in the inner hexagon step hole to form circumferential limiting fit, the bolt portion of the hexagon head bolt penetrates through the opening and is fastened through the nut, and the split pin penetrates through the outer end of the opening and is clamped with the bolt portion of the hexagon head bolt to form transverse locking.
The packing device further comprises a packing seat and a packing sleeve, the packing seat is located below the packing and fixedly connected with the valve cover, the packing sleeve is located between the packing gland and the packing, the lower end portion of the packing sleeve is located between the valve cover and the valve rod, the upper end of the packing sleeve is a conical table top, the lower end of the packing gland is provided with a conical notch matched with the conical table top of the packing sleeve, and the packing press plate is in press fit with the packing sleeve.
The valve rod is provided with a spiral groove, and the end part of the guide rail pin is matched with the spiral groove.
The section of the packing seat is T-shaped and comprises a positioning sleeve part and a fixing part, the fixing part is fixedly connected with the valve cover, and the positioning sleeve part is positioned between the valve cover and the valve rod and supports packing.
The utility model discloses following beneficial effect has: this track valve adopts support and valve gap integral type structure to the adoption sets up the breach and passes through locking mechanism to fix the filler device on the support, has both solved the relatively poor defect of current split type structural stability, has solved the installation again troublesome, problem that the structure is complicated, and it is high to have stability in use, simple to operate, advantages such as the structure is simple and easy.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of B-B of fig. 1 according to the present invention.
Fig. 3 is an enlarged view of the structure at a in fig. 2.
In the figure, a valve body 1, a valve cover 2, a support 3, a valve rod 4, a packing 5, a packing gland 6, a notch 7, a hexagon bolt 8, a head 81, a bolt part 82, a nut 9, an opening pin 10, an inner hexagon stepped hole 11, an opening 12, a packing seat 13, a positioning sleeve part 131, a fixing part 132, a packing sleeve 14, a conical table surface 15, a conical notch 16, a guide rail pin 17 and a spiral groove 18.
Detailed Description
The following further illustrates embodiments of the present invention:
as shown in the figure, the orbit valve with the integral valve cover comprises a valve body 1, a valve seat, a ball body, a valve cover 2, a bracket 3 and a valve rod 4, the valve seat is positioned in the valve body 1 and matched with the ball body, the valve cover 2 is connected with the valve body 1, the support 3 is positioned at the upper end of the valve cover 2, the valve cover 2 is connected with the ball body, a packing device is arranged between the valve cover 2 and the valve rod 4, the packing device comprises a packing 5 and a packing gland 6, the bracket 3 and the valve cover 2 are integrally forged, a gap 7 is arranged in the middle of the bracket 3, the valve rod 4 passes through the gap 7 and extends into the valve cover 2 and is connected with the ball body, the packing 5 is positioned between the valve cover 2 and the valve rod 4, the packing gland 6 is positioned in the gap 7 and sleeved outside the valve rod 6, the packing gland 6 is fixedly connected to the bracket 3 through a locking mechanism and forms the pressing of the packing gland 6 and the extrusion fit of the packing 5. When the valve cover is machined, the support and the valve cover are integrally formed in a forging mode, in order to enable the packing device and the support to be positioned and installed, a notch is milled in the middle of the support to create an installation space, the packing gland is installed outside the valve rod and in the notch, the packing gland is fixed on the support in the notch by the locking mechanism, the packing gland has downward pressing fastening force, the upper end of the locking mechanism is matched with the packing gland to clamp the packing gland downwards to prevent the packing gland from moving downwards, the lower end of the locking mechanism is fixedly connected with the support to enable the packing gland to have a downward pressing effect, and therefore the packing is positioned. The valve cover and the support adopt an integrated structure, so that the mounting structure of the support and the valve cover and the connecting structure of the support and the packing gland can be effectively avoided, and the valve cover and the support are simple in structure, convenient to mount, strong in operation reliability and high in stability. This track valve adopts support and valve gap integral type structure to the adoption sets up the breach and passes through locking mechanism to fix the filler device on the support, has both solved the relatively poor defect of current split type structural stability, has solved the installation again troublesome, problem that the structure is complicated, and it is high to have stability in use, simple to operate, advantages such as the structure is simple and easy.
The utility model discloses in, as shown in the figure, locking mechanism includes hexagon head bolt 8, nut 9 and split pin 10, be equipped with hexagon socket head cap step hole 11 on the gland 6, be equipped with opening 12 on the support 3 of gland 6 lower extreme, hexagon head bolt 8's head 81 is located constitute the spacing cooperation of circumference in the hexagon socket head cap step hole 11, hexagon head bolt 8's bolt portion 82 passes opening 12 and fastens through nut 9, split pin 10 passes opening 12's outer end and constitutes horizontal locking with hexagon head bolt 8's bolt portion 82 looks screens. The locking mechanism consists of a hexagon head bolt 8, a nut 9 and a split pin 10, the packing gland is sleeved outside the valve rod and matched with packing, an inner hexagon stepped hole 11 is arranged at the end part of the packing gland, so that the head part of the hexagon head bolt 8 can be arranged in the inner hexagon stepped hole in a matching way to realize circumferential limiting matching, the hexagon head bolt 8 is prevented from rotating after being installed, the bolt part of the hexagon head bolt 8 passes through the opening and is fastened through the nut at the lower end, the split pin 10 passes through the opening 12 and can realize the limiting purpose of blocking the bolt part 82 of the hexagon head bolt 8 to prevent the hexagon head bolt from sliding out of the opening, by adopting the scheme, when the locking mechanism consisting of the hexagon head bolt 8, the nut 9 and the split pin 10 is installed, the hexagon head bolt is placed and is fastened through the nut, the limiting is realized by inserting the split pin, and the specific positioning firmness is strong, the valve has the advantages of high overall stability, convenient and reliable installation, reasonable structure and the like.
The utility model discloses in, as shown in the figure, the packing device still includes filler seat 13 and packing cover 14, filler seat 13 be located packing 5 below and with valve gap 2 fixed connection, packing cover 14 is located between gland 6 and the packing 5, the lower tip of packing cover 14 is located between valve gap 2 and valve rod 4, the upper end of packing cover 14 is toper mesa 15, the identical tapered slot opening 16 of 8 lower extremes of gland and the toper mesa 15 of packing cover 14, gland 6 with the cooperation is pressed down to packing cover 16. Install the packing seat 13 between the inboard of valve gap and valve rod, the packing sets up the top at the packing seat, then place the packing cover in the upper end of packing, the lower extreme of packing cover stretches into the hole certain distance of valve gap, so that the packing cover forms the screens cooperation with the valve gap, the upper end of packing cover is the toper mesa, the gland lower extreme is the toper notch, gland is under hexagon head bolt's effect, push down on the packing cover, cooperate with the toper mesa through the toper notch, when making gland push down, can make the packing cover more stable, reliably realize the installation location, make the sealing performance of packing better.
The utility model discloses in, as shown in the figure, be equipped with the locating hole on the support 3, guide pin 17 is worn to be equipped with by the locating hole, be equipped with helicla flute 18 on the valve rod 4, guide pin 17's tip with helicla flute 18 cooperatees. The guide rail pin is installed on the support, is equipped with the helicla flute on the valve rod, and the guide rail pin constitutes spiral cooperation with the helicla flute, makes the valve rod rotate and drives the spheroid rotatory through the spiral cooperation of guide rail pin and helicla flute. The guiding stability is strong, and the action is reasonable and reliable.
The utility model discloses in, as shown in the figure, the cross-section of filler seat 13 is the T shape, including position sleeve portion 131 and fixed part 132, fixed part 132 and valve gap 2 fixed connection, position sleeve portion 131 is located between valve gap 2 and the valve rod 4 and supports filler 5. The packing seat comprises a ring-shaped positioning sleeve part 131 and a convex ring-shaped fixing part 132 which is positioned at the lower end of the positioning sleeve part 131 and integrally connected with the positioning sleeve part, the fixing part is fixedly connected with the lower part of the inner end of the valve cover through a fastener, and the positioning sleeve part is positioned between the valve rod and the valve cover and used for positioning and supporting the packing.
Claims (5)
1. The utility model provides an integral orbit valve of valve gap, includes valve body (1), disk seat, spheroid, valve gap (2), support (3) and valve rod (4), the disk seat is located valve body (1) and cooperatees with the spheroid, valve gap (2) are connected with valve body (1), support (3) are located the upper end of valve gap (2), and valve gap (2) are connected with the spheroid, be equipped with packing device between valve gap (2) and valve rod (4), packing device includes filler (5) and gland (6), its characterized in that: support (3) and valve gap (2) integrative forging form, the middle part of support (3) is equipped with breach (7), valve rod (4) pass breach (7) and stretch into in valve gap (2) and be connected with the spheroid, packing (5) are located between valve gap (2) and valve rod (4), gland (6) are located breach (7) and overlap and locate outside valve rod (4), gland (6) pass through locking mechanism fixed connection on support (3) and constitute gland (6) are pushed down and are extrudeed fit with packing (5).
2. A unitary bonnet orbit valve as defined in claim 1, wherein: locking mechanism includes hexagon head bolt (8), nut (9) and split pin (10), be equipped with interior hexagonal step hole (11) on gland (6), be equipped with opening (12) on support (3) of gland (6) lower extreme, head (81) of hexagon head bolt (8) are located constitute the spacing cooperation of circumference in interior hexagonal step hole (11), bolt portion (82) of hexagon head bolt (8) pass opening (12) and fasten through nut (9), split pin (10) pass the outer end of opening (12) and constitute horizontal locking with bolt portion (82) looks screens of hexagon head bolt (8).
3. A unitary bonnet orbit valve as defined in claim 1, wherein: the packing device further comprises a packing seat (13) and a packing sleeve (14), wherein the packing seat (13) is located below the packing (5) and fixedly connected with the valve cover (2), the packing sleeve (14) is located between the packing gland (6) and the packing (5), the lower end portion of the packing sleeve (14) is located between the valve cover (2) and the valve rod (4), the upper end of the packing sleeve (14) is a conical table top (15), the lower end of the packing gland (6) is provided with a conical notch (16) matched with the conical table top (15) of the packing sleeve (14), and the packing gland (6) is in press fit with the packing sleeve (14).
4. A unitary bonnet orbit valve as defined in claim 1, wherein: the valve rod is characterized in that a positioning hole is formed in the support (3), a guide rail pin (17) penetrates through the positioning hole, a spiral groove (18) is formed in the valve rod (4), and the end portion of the guide rail pin (17) is matched with the spiral groove (18).
5. A unitary bonnet orbit valve as defined in claim 3, wherein: the section of the packing seat (13) is T-shaped and comprises a positioning sleeve part (131) and a fixing part (132), the fixing part (132) is fixedly connected with the valve cover (2), and the positioning sleeve part (131) is positioned between the valve cover (2) and the valve rod (4) and supports the packing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220839808.9U CN217081506U (en) | 2022-04-13 | 2022-04-13 | Integral track valve of valve gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220839808.9U CN217081506U (en) | 2022-04-13 | 2022-04-13 | Integral track valve of valve gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217081506U true CN217081506U (en) | 2022-07-29 |
Family
ID=82555502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220839808.9U Active CN217081506U (en) | 2022-04-13 | 2022-04-13 | Integral track valve of valve gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217081506U (en) |
-
2022
- 2022-04-13 CN CN202220839808.9U patent/CN217081506U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A rail valve with an integral valve cover Effective date of registration: 20231128 Granted publication date: 20220729 Pledgee: Bank of Communications Ltd. Wenzhou Yongjia branch Pledgor: ZHEJIANG CHENGGAO VALVE Co.,Ltd. Registration number: Y2023330002812 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |