High-temperature large-diameter corrugated pipe stop valve
By combining a sleeve, a through rod, and a damping spring, along with a gear and rack adjustment mechanism, the problem of swaying in high-temperature, large-diameter bellows gate valves during media flow is solved, improving stability and extending service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-14
- Publication Date
- 2026-03-27
AI Technical Summary
Existing high-temperature, large-diameter bellows gate valves are prone to swaying during medium flow, affecting stability. Furthermore, the high flow rate and pressure of the medium reduce the service life of the valve seat and valve disc assembly.
It adopts a combination structure of sleeve, through rod, damping spring and contact plate. The contact plate is used to stably connect the bellows flange, and the damping spring is used for energy dissipation and buffering. The adjustment mechanism of gear and rack is used to improve the limit range.
It effectively avoids shaking during media flow, enhances the connection stability between the valve body and the bellows, and extends the service life of the valve seat and valve disc assembly.
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Figure CN224049778U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to corrugated pipe stop valve technical field especially a kind of high-temperature large-diameter corrugated pipe stop valve. BACKGROUND
[0002] High-temperature large-diameter corrugated pipe is a kind of pipe connection or compensation element with larger pipe diameter under high-temperature environment, can work long-term under high-temperature environment, withstand higher temperature without deformation, damage or performance degradation, medium in pipe will be cut off or connected in the process of medium conveying, by rotating hand wheel, the valve stem drives valve flap to move up and down, to realize the control of medium in pipe.
[0003] In the prior art, medium can be cut off or connected by stop valve during conveying, but in use process, the medium flow rate is fast, the pressure is high, direct contact to valve seat and valve flap etc. Component is prone to reduce service life, thus not meet the existing demand;
[0004] Prior art (publication number: CN221054319U) discloses heat conducting oil corrugated pipe straight-through stop valve, if medium flow rate increases sharply, preferentially extruding second sliding seat, extruding buffer spring outside first buffer assembly, at this time, the taper block outside first buffer assembly gradually approaches water inlet, reduces the space of water inlet, thereby reducing the passing amount of medium, plays the role of slowing down initial velocity, if water pressure remains too large, then extruding first sliding seat through second sliding seat, the taper block outside second buffer assembly gradually approaches through hole, further reduces the passing space, cooperates first sliding seat to further reduce medium flow rate, avoids high-speed flowing medium impacting valve seat and valve flap etc. Component, guarantees its service life.
[0005] For the above problems, the scheme given by prior art can buffer valve body through the cooperation of second sliding seat etc. Component to improve service life, but in specific use, due to the fact that corrugated pipe is relatively soft compared with ordinary pipe, pressure jolt during medium circulation can appear shaking condition, thereby disturbing valve body and affecting stability, especially for high-temperature large-diameter specification, its shaking degree is greater. SUMMARY
[0006] The utility model discloses a kind of high-temperature large-diameter corrugated pipe stop valves, can play the effect of stability after valve body and corrugated pipe are connected, avoid the situation that medium is large and shakes when internal medium circulates, and play the effect of energy dissipation buffering by damping spring, to solve the problems raised in the above background art.
[0007] To achieve the above object, the utility model provides the following technical scheme: A high temperature large -diameter bellows stop valve, the both ends of valve body are fixedly installed with connecting end, and the outer wall of connecting end is fixedly installed with fixed plate, the side of fixed plate is provided with the mechanism of resisting,
[0008] The mechanism of resisting includes sleeve, the outer wall side of fixed plate is rotatably connected with sleeve, and the inside of sleeve is provided with the bar of going out, the outer wall of one end of the bar of going out is fixedly installed with the block of connecting, and the outer wall of the block of connecting is embedded with damping spring, one end of damping spring is fixedly installed with connecting plate, and the outer wall of connecting plate is fixedly installed with the plate of resisting.
[0009] Preferably, one end of the bar of going out is fixedly installed with threaded column, and the threaded column is fixedly installed with the block of limiting.
[0010] Preferably, the threaded column is screwed with sleeve, and sleeve constitutes the rotating structure with fixed plate through the block of limiting.
[0011] Preferably, the outer wall side of the plate of resisting is provided with the slot of limiting, and the inside of the slot of limiting is provided with adjusting mechanism.
[0012] Preferably, the adjusting mechanism includes rotating block, the outer wall other side of the plate of resisting is rotatably connected with rotating block, and one end of rotating block facing the plate of resisting is fixedly installed with rotating rod.
[0013] Preferably, one end of the rotating rod going into the plate of resisting is fixedly installed with gear, and the outside of gear is sleeved with sliding plate.
[0014] Preferably, the inside of sliding plate is provided with the slot of placing corresponding to the position of gear, and the inside both sides of the slot of placing are fixedly installed with rack.
[0015] Compared with prior art, the utility model has the beneficial effects that:
[0016] 1. The utility model discloses a sleeve and the bar of going out are adjusted, let the plate of resisting can resist in the flange of one end of bellows, and cooperate damping spring, connecting plate and the plate of resisting, can after the stability of valve body and bellows connection, avoid the situation that when the medium flow in the inside medium is larger and appears impact to cause shaking, and through damping spring plays the effect of energy dissipation buffering;
[0017] 2. The utility model discloses the meshing of gear and rack, and through the adjustment of rotating block, can let the plate of resisting and sliding plate carry out telescopic adjustment, thereby can improve the limiting range of bellows, further improve the stability of valve body and bellows connection. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, obviously, the drawings described in the following are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0019] Figure 1 It is the overall structural view of the present application.
[0020] Figure 2 It is the schematic diagram of the threaded column structure of the present application.
[0021] Figure 3 It is the overall structural view of the present application. Figure 1 It is the enlarged view of A.
[0022] Figure 4 It is the schematic diagram of the sliding plate structure of the present application.
[0023] Explanation of reference signs:
[0024] 1, valve body; 2, connecting end; 3, fixed plate; 4, abutting mechanism; 401, sleeve; 402, through rod; 403, connecting block; 404, damping spring; 405, connecting plate; 406, abutting plate; 407, threaded column; 408, limiting block; 5, limiting groove; 6, adjusting mechanism; 601, rotating block; 602, rotating rod; 603, gear; 604, sliding plate; 605, mounting groove; 606, rack. Specific embodiments
[0025] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.
[0026] The present application provides a technical solution:
[0027] Please refer to Figures 1 to 3The utility model relates to a high temperature large -diameter corrugated pipe stop valve, including valve body 1, both ends fixed mounting of valve body 1 have connecting end 2, the outer wall fixed mounting of connecting end 2 has fixed plate 3, and one side of fixed plate 3 is provided with abutting mechanism 4, abutting mechanism 4 includes sleeve 401, and sleeve 401 rotationally connected in the outer wall one side of fixed plate 3, and the inside of sleeve 401 passes out and has the stick 402 that goes out, and the outer wall fixed mounting of stick 402 one end that goes out sleeve 401 has the link block 403, and the outer wall of link block 403 is embedded with damping spring 404, and the one end fixed mounting of damping spring 404 has the connecting plate 405, and the outer wall fixed mounting of connecting plate 405 has the abutting plate 406, and the one end fixed mounting of stick 402 that goes into sleeve 401 has the threaded column 407, and the one end fixed mounting of sleeve 401 that goes into fixed plate 3 has the limiting block 408, and threaded column 407 is connected in screw thread with sleeve 401, and sleeve 401 constructs the rotation structure between fixed plate 3 through limiting block 408.
[0028] Through adopting above technical scheme, when valve body 1 is connected with corrugated pipe through connecting end 2, first, the rotation of fixed plate 3 and limiting block 408 is engaged, sleeve 401 is rotated, stick 402 is connected in screw thread with sleeve 401 through threaded column 407 to adjust position, and abutting plate 406 is abutted from one side to the flange of corrugated pipe, which plays a preliminary connection stability effect, and cooperating with the fixed support of link block 403 to damping spring 404, so that connecting plate 405 drives abutting plate 406 to elastically abut corrugated pipe, four sets of abutting mechanism 4 are arranged, so that the corrugated pipe can be fully abutted, and the situation that medium flow pressure is too large to shake is avoided, and the energy dissipation and buffering effect is played through the cooperation of damping spring 404, further improve the stability of valve body 1.
[0029] Specifically, as shown in Figure 1 And Figure 4 The outer wall one side of abutting plate 406 is provided with limiting slot 5, and adjusting mechanism 6 is arranged in the inside of limiting slot 5, adjusting mechanism 6 includes rotating block 601, and rotating block 601 rotationally connected in the outer wall other side of abutting plate 406, and the one end fixed mounting of rotating block 601 towards abutting plate 406 has rotating rod 602, and rotating rod 602 one end fixed mounting of going into abutting plate 406 has gear 603, and the outside of gear 603 is provided with sliding plate 604, and the inside of sliding plate 604 is provided with setting groove 605 corresponding gear 603 position, and the inside both sides of setting groove 605 are fixedly installed with rack 606.
[0030] By adopting the technical scheme, the rotating block 601 is rotated to drive the rotating rod 602 to rotate the gear 603, the gear 603 is engaged with the rack 606, the sliding plate 604 can slide along the limiting groove 5 under the limiting of the abutting plate 406, the length of the abutting plate 406 and the sliding plate 604 is adjusted to adjust the range of the elastic abutment of the corrugated pipe, and the connection stability between the valve body 1 and the corrugated pipe is further improved.
[0031] Working principle: the valve body 1 is connected with the corrugated pipe flange through the connecting end 2 at both ends, the sleeve 401 is movably connected with the limiting block 408 through the fixed plate 3 and the limiting block 408, the sleeve 401 is conveniently rotated, the position of the penetrating rod 402 can be adjusted through the threaded column 407, the position of the penetrating rod 402 is adjusted, the position of the abutting plate 406 is adjusted, the abutting plate 406 is limited and abutted from the corrugated pipe side flange to avoid loosening, the connecting block 403 fixed by the penetrating rod 402 is convenient to form a plane, the connecting plate 405 is conveniently elastically pushed by the damping spring 404, the abutting plate 406 is elastically abutted to the corrugated pipe, four groups of abutting mechanisms 4 are arranged on each connecting end 2, the corrugated pipe can be fully limited, the damping spring 404 is matched to play an energy dissipation effect when the corrugated pipe is excessively shaken under pressure, the stability of the valve body 1 itself is improved, the rotating block 601 is adjusted to drive the rotating rod 602 to rotate the gear 603, the gear 603 is engaged with the rack 606 in the setting groove 605 of the sliding plate 604, the sliding plate 604 can slide along the limiting groove 5, the abutment length of the corrugated pipe is improved, and the stability is further improved.
[0032] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A high temperature large bore corrugated pipe stop valve comprising a valve body (1) characterised in that: The both ends of the valve body (1) are fixedly installed with connecting ends (2), and the outer wall of the connecting end (2) is fixedly installed with a fixed plate (3), one side of the fixed plate (3) is provided with a abutting mechanism (4); The abutting mechanism (4) comprises a sleeve (401), the sleeve (401) is rotatably connected to the outer wall of the fixed plate (3), a through rod (402) penetrates the sleeve (401), the outer wall of one end of the through rod (402) is fixedly installed with an adapter block (403), the outer wall of the adapter block (403) is embedded with a damping spring (404), one end of the damping spring (404) is fixedly installed with a connecting plate (405), and the outer wall of the connecting plate (405) is fixedly installed with an abutting plate (406).
2. A high temperature large bore corrugated pipe stop valve according to claim 1, characterized in that: One end of the through rod (402) penetrating into the sleeve (401) is fixedly installed with a threaded column (407), and one end of the sleeve (401) penetrating into the fixed plate (3) is fixedly installed with a limiting block (408).
3. A high temperature large bore corrugated pipe stop valve according to claim 2, characterised in that: The threaded column (407) is in threaded connection with the sleeve (401), and the sleeve (401) and the fixed plate (3) form a rotating structure through the limiting block (408).
4. A high temperature large bore corrugated pipe stop valve according to claim 1, characterized in that: The outer wall of the abutting plate (406) is provided with a limiting groove (5) on one side, and the inside of the limiting groove (5) is provided with an adjusting mechanism (6).
5. A high temperature large bore corrugated pipe stop valve according to claim 4, characterised in that: The adjusting mechanism (6) comprises a rotating block (601), the rotating block (601) is rotatably connected to the other side of the outer wall of the abutting plate (406), and one end of the rotating block (601) facing the abutting plate (406) is fixedly installed with a rotating rod (602).
6. A high temperature large bore corrugated pipe stop valve according to claim 5, characterised in that: One end of the rotating rod (602) penetrating into the abutting plate (406) is fixedly installed with a gear (603), and the outside of the gear (603) is sleeved with a sliding plate (604).
7. A high temperature large bore corrugated pipe stop valve according to claim 6, characterised in that: The inside of the sliding plate (604) is provided with a mounting groove (605) corresponding to the position of the gear (603), and the inside of the mounting groove (605) is fixedly installed with a rack (606) on both sides.
Citation Information
Patent Citations
Thermal oil bellows straight-through stop valve
CN221054319U