CN215257945U - Anti-seizing anti-locking eccentric rotary valve - Google Patents
Anti-seizing anti-locking eccentric rotary valve Download PDFInfo
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- CN215257945U CN215257945U CN202121173343.XU CN202121173343U CN215257945U CN 215257945 U CN215257945 U CN 215257945U CN 202121173343 U CN202121173343 U CN 202121173343U CN 215257945 U CN215257945 U CN 215257945U
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- guide sleeve
- eccentric rotary
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Abstract
The utility model discloses an anti-lock eccentric rotary valve is died to anti-sticking, including upper shaft body mechanism, disk seat mechanism and lower axis body mechanism, upper shaft body mechanism includes the valve body, pegs graft the front axle in the valve body, disk seat mechanism includes the case, connects at the disk seat gland at valve body middle part, fixes the disk seat body in the valve body inside, is used for connecting the valve rod of case and front axle. The large-particle medium is blocked by adopting three defense lines, and a dustproof cover is welded at the joint of the valve rod and the valve core by the first defense line, so that the phenomenon of jamming caused by the medium entering the upper guide sleeve and the lower guide sleeve is reduced; the adjusting gasket is set to be of a step structure by the second defense line, when a medium enters the gasket, the multi-step medium is retained, and the medium is prevented from directly entering the lower guide sleeve; the third defense line is composed of a double-layer packing sealing structure, if part of media enter the lower guide sleeve, the double-layer packing can block the media, the blocking and stopping condition caused by the blocking or locking of the lower guide sleeve is reduced, the valve maintenance condition is reduced, and the safety quality of the valve is improved.
Description
Technical Field
The utility model relates to an eccentric rotary valve technical field specifically is the dead anti-lock eccentric rotary valve of anti-sticking.
Background
The eccentric rotary valve is also called as a cam deflection valve, has water quality in eighties, and has the working principle that the eccentric rotary fan-shaped ball valve is tangential to a valve seat by utilizing an eccentric spherical crown, and when the valve is opened, a ball core is separated from the valve seat; when the valve is closed, the ball core gradually contacts the valve seat, so that the ball generates pressing force on the valve seat.
The eccentric rotary valve is mainly used for conveying media in high-temperature and large-particle type industrial pipelines, and particularly, the eccentric rotary valve is easy to block when the conveyed media are high in temperature and large in particles, so that the anti-blocking anti-lock eccentric rotary valve is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art or the correlation technique.
Therefore, the utility model discloses the technical scheme who adopts does:
anti-lock eccentric rotary valve is died to anti-sticking, including upper shaft body mechanism, disk seat mechanism and lower shaft body mechanism, upper shaft body mechanism includes the valve body, pegs graft the front axle in the valve body, disk seat mechanism includes the case, connects at the disk seat gland at valve body middle part, fixes at the inside disk seat body of valve body, is used for connecting the valve rod of case and front axle, lower shaft body mechanism includes the joint lower uide bushing on the lateral wall of valve body bottom, fixes the back lid in the valve body bottom, sets up uide bushing top and contactless double-deck packing under, is used for the adjusting shim of wall, pegs graft at the back axle of valve body bottom and welds the shield at the back axle top.
The present invention may be further configured in a preferred embodiment as: the upper shaft body mechanism further comprises a filler arranged on the outer side of the front shaft and an upper guide sleeve assembled at the bottom of the filler, and the upper guide sleeve is used for separating the front shaft from the inner wall of the valve body.
Through adopting above-mentioned technical scheme, keep apart between with front axle and the valve body through last uide bushing, consequently when using, the rotation of front axle can not disturbed by the valve body, prevents that the condition of locking from appearing.
The present invention may be further configured in a preferred embodiment as: the outside of valve body is provided with the support, threaded connection has stud and outer hex bolts on the support, stud and outer hex bolts's bottom threaded connection is on the valve body.
Through adopting above-mentioned technical scheme, utilize support and external structural connection, guaranteed the stability of device installation, utilize stud and outer hex bolts to firmly fix the position of support simultaneously for the support can be dismantled, has promoted the use flexibility of device.
The present invention may be further configured in a preferred embodiment as: the valve rod is installed at the bottom end of the front shaft and is sleeved with the end part of the valve core.
By adopting the technical scheme, the valve core is connected with the front shaft by the valve rod, so that the valve core can be driven to open and close through the rotation of the front shaft, and the basic function of the device is ensured.
The present invention may be further configured in a preferred embodiment as: the valve seat gland is fixed in the middle of the valve body through a fastener, and a composite gasket is arranged between the valve seat gland and the valve seat body.
Through adopting above-mentioned technical scheme, utilize the position of composite pad setting between disk seat gland and the valve seat body for the gap between disk seat gland and the valve seat body is filled, and the leakproofness of hoisting device avoids appearing the condition of leaking.
The present invention may be further configured in a preferred embodiment as: and a winding gasket is arranged between the rear cover and the lower guide sleeve, and the rear cover is fixed through a fastening bolt.
Through adopting above-mentioned technical scheme, utilize the back lid to fill under between uide bushing and the back lid, further hoisting device's leakproofness realizes zero leakage.
By adopting the technical scheme, the utility model discloses the beneficial effect who gains does:
1. in the utility model, three defense lines are adopted to separate large granular media, and the first defense line is welded with a dust cap at the joint of the valve rod and the valve core, so that the phenomenon of jamming caused by the media entering the upper guide sleeve and the lower guide sleeve is reduced; the adjusting gasket is set to be of a step structure by the second defense line, when a medium enters the gasket, the multi-step medium is retained, and the medium is prevented from directly entering the lower guide sleeve; the third defense line is composed of a double-layer packing sealing structure, if part of media enter the lower guide sleeve, the double-layer packing can block the media, the blocking and stopping condition caused by the blocking or locking of the lower guide sleeve is reduced, the valve maintenance condition is reduced, and the safety quality of the valve is improved.
2. The utility model discloses in, be connected through composite pad between disk seat and the valve body, and the octagonal gasket of unconventional formula can realize the two-way zero of valve and leak, and composite pad comprises high temperature resistant rubber, metal gasket, plays the sealed effect of an efficient.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
fig. 2 is a schematic front view of an embodiment of the present invention;
fig. 3 is an enlarged view of a portion a of fig. 1 according to an embodiment of the present invention.
Reference numerals:
100. an upper shaft body mechanism; 110. a valve body; 120. a front axle; 130. a filler; 140. an upper guide sleeve; 150. a support; 160. a stud bolt; 170. an outer hexagon bolt;
200. a valve seat mechanism; 210. a valve core; 220. a valve seat gland; 230. a valve seat body; 240. a composite gasket; 250. a valve stem;
300. a lower shaft mechanism; 310. a lower guide sleeve; 320. winding the gasket; 330. a rear cover; 340. double-layer packing; 350. adjusting the gasket; 360. a rear axle; 370. and a dust cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
It is to be understood that such description is merely exemplary and is not intended to limit the scope of the present invention.
The following describes the anti-seize anti-lock eccentric rotary valve provided by some embodiments of the present invention with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1-3, the anti-seizing anti-lock eccentric rotary valve provided by the present invention comprises an upper shaft body mechanism 100, a valve seat mechanism 200 and a lower shaft body mechanism 300, wherein the upper shaft body mechanism 100 comprises a valve body 110, a front shaft 120 inserted in the valve body 110, the valve seat mechanism 200 comprises a valve core 210, a valve seat cover 220 connected to the middle portion of the valve body 110, a valve seat body 230 fixed inside the valve body 110, and a valve rod 250 for connecting the valve core 210 and the front shaft 120, the lower shaft body mechanism 300 comprises a lower guide sleeve 310 fastened on the bottom side wall of the valve body 110, a rear cover 330 fixed at the bottom of the valve body 110, a double-layer packing 340 disposed above the lower guide sleeve 310 and not in contact with each other, an adjusting gasket 350 for separating, a rear shaft 360 inserted at the bottom of the valve body 110, and a dust cap 370 welded at the top of the rear shaft 360, three lines are provided to filter and separate high temperature media, thereby ensuring that the device will not be seized, the reliability of the device is improved, and meanwhile, the guide sleeve is isolated from the medium through the medium which is easy to block, so that the guide sleeve is in a rotatable state, the maintenance condition caused by blocking on site is reduced, the utilization rate of the valve is improved, and the service life of the valve is prolonged.
Specifically, the upper shaft body mechanism 100 further includes a packing 130 disposed outside the front shaft 120, and an upper guide sleeve 140 assembled at the bottom of the packing 130, wherein the upper guide sleeve 140 is used to separate the front shaft 120 from the inner wall of the valve body 110, and the front shaft 120 is separated from the inner wall of the valve body 110 by the upper guide sleeve 140, so that the rotation of the front shaft 120 is not controlled by the valve body 110, and therefore, even if a blockage occurs, the rotation of the front shaft 120 can be ensured.
Further, a support 150 is arranged on the outer side of the valve body 110, a stud 160 and an outer hexagon bolt 170 are connected to the support 150 in a threaded mode, the bottoms of the stud 160 and the outer hexagon bolt 170 are connected to the valve body 110 in a threaded mode, the support 150 is firmly fixed to the top of the outer side of the valve body 110 through the stud 160 and the outer hexagon bolt 170, and therefore the using stability of the device is guaranteed, damage of the device is reduced, and the service life of the device is longer.
Example two:
referring to fig. 1, on the basis of the first embodiment, the valve seat cover 220 is fixed to the middle of the valve body 110 by a fastener, the composite gasket 240 is disposed between the valve seat cover 220 and the valve seat body 230, and the composite gasket 240 is disposed between the valve seat cover 220 and the valve seat body 230, so that a gap between the valve seat cover 220 and the valve seat body 230 is completely filled, zero leakage is realized, and the sealing performance of the device is improved.
Specifically, the valve rod 250 is installed at the bottom end of the front shaft 120, the valve rod 250 is sleeved with the end of the valve core 210, the valve core 210 is connected with the front shaft 120 through the valve rod 250, and the front shaft 120 can drive the valve core 210 to rotate once to complete the closing action, so that the basic functions of the device are ensured.
Example three:
referring to fig. 1, in the above embodiment, the winding gasket 320 is disposed between the rear cover 330 and the lower guide sleeve 310, the rear cover 330 is fixed by the fastening bolt, and the rear cover 330 is disposed between the lower guide sleeve 310 and the winding gasket 320, so that the connection between the two is tighter, the sealing performance is ensured, and the leakage and other situations are avoided.
The utility model discloses a theory of operation and use flow: at first, install the device in required position, begin to use after the debugging finishes, enter into when high temperature medium the utility model discloses in, utilize valve rod 250 and case 210 junction welding shield 370, reduce the medium and get into uide bushing 140, uide bushing 310 down, thereby cut off the large granule medium, high temperature medium continues to be carried, enter into adjustment gasket position 350, utilize stepped adjustment gasket 350 to be detained many step medium, cut off once more, at last high temperature medium enters into in the seal structure that double-deck packing 340 constitutes, the medium that will enter into in the uide bushing 310 down blocks, it dies to prevent down the uide bushing card, and finally, regularly clear up the device, can be with the debugging
In the present application, the term "plurality" means two or more unless expressly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (6)
1. Anti-lock eccentric rotary valve that blocks, its characterized in that includes:
the upper shaft body mechanism (100) comprises a valve body (110) and a front shaft (120) inserted in the valve body (110);
the valve seat mechanism (200) comprises a valve core (210), a valve seat gland (220) connected to the middle part of the valve body (110), a valve seat body (230) fixed in the valve body (110), and a valve rod (250) used for connecting the valve core (210) and the front shaft (120);
lower shaft body mechanism (300), including lower uide bushing (310) of joint on valve body (110) bottom lateral wall, fix back lid (330) in valve body (110) bottom, set up uide bushing (310) top under and contactless double-deck packing (340), adjusting shim (350) that are used for cutting off, peg graft at rear axle (360) of valve body (110) bottom and weld shield (370) at rear axle (360) top.
2. Anti-seize anti-lock eccentric rotary valve according to claim 1, wherein the upper shaft body mechanism (100) further comprises a packing (130) disposed outside the front shaft (120), an upper guide sleeve (140) fitted to the bottom of the packing (130), the upper guide sleeve (140) separating the front shaft (120) from the inner wall of the valve body (110).
3. Anti-seizing anti-lock eccentric rotary valve according to claim 1, wherein a bracket (150) is provided on the outside of the valve body (110), a stud bolt (160) and an outer hexagon bolt (170) are screwed on the bracket (150), and the bottoms of the stud bolt (160) and the outer hexagon bolt (170) are screwed on the valve body (110).
4. Anti-seize anti-lock eccentric rotary valve according to claim 1, wherein the valve rod (250) is mounted at the bottom end of the front axle (120) and the valve rod (250) is sleeved with the end of the spool (210).
5. The anti-seizing anti-lock eccentric rotary valve according to claim 1, wherein the valve seat cover (220) is fixed to the middle of the valve body (110) by a fastener, and a composite gasket (240) is provided between the valve seat cover (220) and the valve seat body (230).
6. Anti-seize anti-lock eccentric rotary valve according to claim 1, wherein a winding washer (320) is provided between the rear cover (330) and the lower guide sleeve (310), and the rear cover (330) is fixed by fastening bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121173343.XU CN215257945U (en) | 2021-05-28 | 2021-05-28 | Anti-seizing anti-locking eccentric rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121173343.XU CN215257945U (en) | 2021-05-28 | 2021-05-28 | Anti-seizing anti-locking eccentric rotary valve |
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| Publication Number | Publication Date |
|---|---|
| CN215257945U true CN215257945U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121173343.XU Active CN215257945U (en) | 2021-05-28 | 2021-05-28 | Anti-seizing anti-locking eccentric rotary valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776827A (en) * | 2022-04-12 | 2022-07-22 | 浙江贝尔控制阀门有限公司 | Improved eccentric rotary valve |
| CN116771948A (en) * | 2023-08-23 | 2023-09-19 | 艾坦姆流体控制技术(山东)有限公司 | Eccentric rotary valve with anti-blocking function |
-
2021
- 2021-05-28 CN CN202121173343.XU patent/CN215257945U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776827A (en) * | 2022-04-12 | 2022-07-22 | 浙江贝尔控制阀门有限公司 | Improved eccentric rotary valve |
| CN114776827B (en) * | 2022-04-12 | 2024-03-26 | 浙江贝尔控制阀门有限公司 | Improved eccentric rotary valve |
| CN116771948A (en) * | 2023-08-23 | 2023-09-19 | 艾坦姆流体控制技术(山东)有限公司 | Eccentric rotary valve with anti-blocking function |
| CN116771948B (en) * | 2023-08-23 | 2023-11-28 | 艾坦姆流体控制技术(山东)有限公司 | Eccentric rotary valve with anti-blocking function |
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