CN212690965U - Flange pressure reducing valve with pressure gauge - Google Patents
Flange pressure reducing valve with pressure gauge Download PDFInfo
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- CN212690965U CN212690965U CN202021663382.3U CN202021663382U CN212690965U CN 212690965 U CN212690965 U CN 212690965U CN 202021663382 U CN202021663382 U CN 202021663382U CN 212690965 U CN212690965 U CN 212690965U
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Abstract
The utility model discloses a flange pressure reducing valve with a pressure gauge, the structure of which comprises a valve body, the pressure gauge and a prompt pressure-discharging pipe, the utility model has the advantages that the protective top ring and the inner-contracted closed backing ring and the closed top ring are arranged at the flange joint, when the equipment is assembled and butted, the equipment can be connected with the flange through the top pressure protective top ring, the closed backing ring can be gradually ejected out along with the locking of the butt joint and can carry out the closed top pressure with the assembling joint, the extrusion deformation caused by the whole exposure of the closed backing ring when the butt joint is better avoided, the sealing of the butt joint of the equipment is better ensured, the inner pipe with a plurality of flat mouth pressure-discharging grooves is arranged at the pressure-discharging part of the equipment, the baffle ball is also arranged in the inner pipe, when the equipment is subjected to pressure discharge, the baffle ball is pressed from different flat mouth pressure-discharging grooves because of the pressure jacking, and the prompt sound can be extruded and vibrated with the mouth grooves when the medium passes through the flat mouth pressure-discharging grooves, therefore, the user can conveniently judge the operation condition of the equipment according to different grades of sounds.
Description
Technical Field
The utility model belongs to the technical field of the relief pressure valve, in particular to take flange relief pressure valve of manometer.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure by regulation and automatically keeps the outlet pressure stable by the energy of a medium, and from the viewpoint of hydrodynamics, the pressure reducing valve is a throttling element with changeable local resistance, namely, the flow rate and the kinetic energy of fluid are changed by changing the throttling area to cause different pressure losses so as to achieve the purpose of pressure reduction, and then the fluctuation of the pressure behind the valve is balanced with the spring force by the regulation of a control and regulation system, so that the pressure behind the valve is kept constant within a certain error range, and the technical improvement is obtained along with the rapid development of scientific technology, but when the pressure reducing valve is used in the prior art, the sealing gasket is easy to deform due to extrusion when butt joint is carried out between butt joints, and the sealing of the sealing gasket is easy to be uneven when the butt joint is not good, thereby lead to the condition that the butt joint was revealed easily, and when using, can't judge to the row's of relief pressure valve pressure condition to be not convenient for judge whether interior pressure trouble or pressure-bearing are too high, comparatively inconvenient.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome prior art not enough, the present flange relief pressure valve of taking the manometer is proposed, in order to solve prior art novel when using, when carrying out the butt joint, sealed fill up because the extrusion when carrying out the butt joint leads to deformation between the butt joint easily, lead to sealed airtight unevenness that fills up when the butt joint is not good easily, thereby lead to the condition that the butt joint was revealed easily, and when using, can't judge to the row of relief pressure valve presses the condition, thereby be not convenient for judge whether interior pressure trouble or pressure-bearing are too high in the equipment appear, comparatively inconvenient effect.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a flange pressure reducing valve with a pressure gauge, which comprises a valve body, a pressure gauge and a prompt pressure-relief pipe, wherein the pressure gauge is embedded and locked at the upper sides of the left and right ends of the valve body, and the prompt pressure-relief pipe is fixedly connected with the valve body;
the valve body comprises an inlet flange head, a control wheel, a screw rod, a pressure regulating head, a pressure regulating spring, a regulating assembly cover, a through hole, a pressure discharging valve seat, a diaphragm, a valve core, a damping pipe, an outlet flange head, an inner partition plate, a valve plate, a bottom cover, a reset spring and an assembly main body, wherein the inlet flange head is fixedly connected to the left side of the assembly main body, the outlet flange head is fixedly connected to the right side of the assembly main body, the inner partition plate is arranged inside the assembly main body, the damping pipe penetrates through the right side of the top end of the assembly main body, the top end of the damping pipe is communicated with the inside of the regulating assembly cover, the bottom cover is locked at the middle part of the bottom end of the assembly main body, the middle part of the top end of the bottom cover is connected with the middle part of the bottom end of the valve plate through the reset spring, the middle parts of the pressure discharge valve seat and the diaphragm are provided with through holes in a penetrating manner, the top end of the valve core is arranged in the through holes after penetrating through the middle parts of the inner diaphragm and the top end of the assembly main body, the middle part of the top end of the pressure discharge valve seat is connected with the bottom end of the pressure regulating head through a pressure regulating spring, the pressure regulating head is arranged at the upper side in the adjustment assembly cover, the middle part of the top end of the pressure regulating head is embedded and buckled with the middle part of the bottom end of a screw rod, the top end of the screw rod penetrates through the middle part of the top end of the adjustment;
the inlet flange head comprises a flange locking hole, a top ring locking hole, a flange through hole, a closed top ring, a top ring through hole, a closed cushion ring, a limiting rod, a protective top ring, a protective spring and an assembly flange, wherein the right end of the assembly flange is fixedly connected with the assembly main body, the middle part of the assembly flange is provided with the flange through hole in a penetrating manner, the flange locking hole is arranged on the assembly flange in a penetrating manner, the left end of the assembly flange is fixedly provided with the closed top ring, the left end of the closed top ring is provided with the closed cushion ring, the middle part of the protective top ring is provided with the top ring locking hole in a penetrating manner, the protective top ring is sleeved on the closed top ring through the top ring locking hole, the right end of the protective top ring is provided;
the prompting pressure-discharging pipe comprises a blocking ball, a connecting pipe, a pressure-discharging butt joint, a pressure-discharging internal groove, a pressure-discharging piping, a pressure-discharging notch, a prompting inner pipe and an inner pipe top cover, wherein the pressure-discharging internal groove is formed in the middle of the pressure-discharging butt joint in a penetrating mode from top to bottom, one end of the connecting pipe is fixedly connected with the left end of an adjusting assembly cover, the other end of the connecting pipe is fixedly connected with the middle of the bottom end of the pressure-discharging butt joint, the pressure-discharging internal groove is communicated with the inner side of the adjusting assembly cover through the connecting pipe, the prompting inner pipe is arranged in the middle of the top end of the pressure-discharging butt joint, the pressure-discharging notch is formed in the left side and the right.
Furthermore, the size of the flange lock hole is the same as that of the top ring lock hole, and the flange lock hole is positioned right left of the top ring lock hole so as to ensure that the protective top ring can follow the butt joint lock joint when equipment is in butt joint.
Furthermore, the limiting rod is circular and is uniformly arranged at the right end of the protective top ring, and the radius of the circular assembling of the limiting rod is larger than that of the closed top ring, so that the telescopic part is prevented from being corroded better.
Further, the sealing backing ring is made of rubber to ensure the sealing property.
Furthermore, the outlet flange head is a mirror image device with the same structure as the inlet flange head, so that the equipment can ensure the butt joint tightness of the inlet and the outlet.
Furthermore, the pressure-discharge inner groove is a circular through hole with a large upper part and a small lower part, and the diameter of the upper side of the pressure-discharge inner groove is consistent with the diameter of the blocking ball and the inner diameter of the prompt inner pipe, so that the blocking ball can move in the upper side of the pressure-discharge inner groove and the prompt inner pipe.
Furthermore, the pressure discharge notch is a rectangular flat notch, so that the pressure discharge notch can make a prompt sound due to the extrusion vibration of pressure and the notch when pressure is discharged.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1) for solving prior art is novel when using, when carrying out the butt joint, sealed fill up because the extrusion when carrying out the butt joint between the butt joint leads to deformation easily, lead to sealed airtight unevenness of filling up when the butt joint is not good easily, thereby lead to the condition that the butt joint department reveals easily, through be equipped with airtight backing ring and the airtight backing ring of protection top ring and internal contraction in flange joint department, make equipment when assembling the butt joint, can meet with the flange after earlier protecting the backing ring through the roof pressure, airtight pad can be along with the locking of butt joint ejecting gradually and carry out airtight roof pressure with the fitting joint, the extrusion deformation that leads to because airtight whole exposing of pad when better avoiding the butt joint, the better airtight of assurance equipment butt joint.
2) For solving when using, can't judge to the row's of relief pressure valve pressure condition, thereby be not convenient for judge whether interior pressure trouble or pressure-bearing are too high for equipment, comparatively inconvenient, be equipped with the inner tube of taking a plurality of flat mouthful of pressure discharge grooves through the pressure discharge department at equipment, and still be equipped with the check ball in the inner tube, when equipment carries out the pressure discharge, because pressure jack-up check ball carries out the pressure discharge from different flat mouthful of pressure discharge grooves, because of the pressure reason, the medium can with the mouth groove extrusion vibrations issue the suggestion sound when the flat mouthful of pressure discharge grooves, thereby make the user be convenient for the operation condition of judgement equipment according to different grades of sound.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a flange pressure reducing valve with a pressure gauge according to the present invention;
FIG. 2 is a schematic view of a front cross-sectional structure of a flange pressure reducing valve with a pressure gauge of the present invention;
FIG. 3 is an enlarged schematic view of A in FIG. 2 according to the present invention;
fig. 4 is an enlarged schematic view of B in fig. 2 according to the present invention;
in the figure: the valve comprises a valve body-1, a pressure gauge-2, a prompt pressure-discharging pipe-3, an inlet flange head-a, a control wheel-b, a screw-c, a pressure-regulating head-d, a pressure-regulating spring-e, a regulating assembly cover-f, a through hole-g, a pressure-discharging valve seat-h, a diaphragm-i, a valve core-j, a damping pipe-k, an outlet flange head-l, an inner partition-m, a valve plate-n, a bottom cover-o, a return spring-p, an assembly main body-q, a flange locking hole-a 1, a top ring locking hole-a 2, a flange through hole-a 3, a closed top ring-a 4, a top ring through hole-a 5, a closed backing ring-a 6, a limiting rod-a 7, a protective top ring-a 8, a protective spring-a 9, an assembly flange-a 10, a blocking ball-31, a, A connecting pipe-32, a pressure-discharge butt joint-33, a pressure-discharge inner groove-34, a pressure-discharge assembly pipe-35, a pressure-discharge notch-36, a prompt inner pipe-37 and an inner pipe top cover-38.
Detailed Description
Referring to fig. 1, 2, 3 and 4, the present invention provides a flange pressure reducing valve with a pressure gauge: the pressure gauge is embedded and locked at the upper sides of the left end and the right end of the valve body, and the prompting pressure-discharging pipe is fixedly connected with the valve body;
the valve body comprises an inlet flange head, a control wheel, a screw rod, a pressure regulating head, a pressure regulating spring, a regulating assembly cover, a through hole, a pressure discharging valve seat, a diaphragm, a valve core, a damping pipe, an outlet flange head, an inner partition plate, a valve plate, a bottom cover, a reset spring and an assembly main body, wherein the inlet flange head is fixedly connected to the left side of the assembly main body, the outlet flange head is fixedly connected to the right side of the assembly main body, the inner partition plate is arranged inside the assembly main body, the damping pipe penetrates through the right side of the top end of the assembly main body, the top end of the damping pipe is communicated with the inside of the regulating assembly cover, the bottom cover is locked at the middle part of the bottom end of the assembly main body, the middle part of the top end of the bottom cover is connected with the middle part of the bottom end of the valve plate through the reset spring, the middle parts of the pressure discharge valve seat and the diaphragm are provided with through holes in a penetrating manner, the top end of the valve core is arranged in the through holes after penetrating through the middle parts of the inner diaphragm and the top end of the assembly main body, the middle part of the top end of the pressure discharge valve seat is connected with the bottom end of the pressure regulating head through a pressure regulating spring, the pressure regulating head is arranged at the upper side in the adjustment assembly cover, the middle part of the top end of the pressure regulating head is embedded and buckled with the middle part of the bottom end of a screw rod, the top end of the screw rod penetrates through the middle part of the top end of the adjustment;
the inlet flange head comprises a flange locking hole, a top ring locking hole, a flange through hole, a closed top ring, a top ring through hole, a closed cushion ring, a limiting rod, a protective top ring, a protective spring and an assembly flange, wherein the right end of the assembly flange is fixedly connected with the assembly main body, the middle part of the assembly flange is provided with the flange through hole in a penetrating manner, the flange locking hole is arranged on the assembly flange in a penetrating manner, the left end of the assembly flange is fixedly provided with the closed top ring, the left end of the closed top ring is provided with the closed cushion ring, the middle part of the protective top ring is provided with the top ring locking hole in a penetrating manner, the protective top ring is sleeved on the closed top ring through the top ring locking hole, the right end of the protective top ring is provided;
the prompting pressure-discharging pipe comprises a blocking ball, a connecting pipe, a pressure-discharging butt joint, a pressure-discharging internal groove, a pressure-discharging piping, a pressure-discharging notch, a prompting inner pipe and an inner pipe top cover, wherein the pressure-discharging internal groove is formed in the middle of the pressure-discharging butt joint in a penetrating mode from top to bottom, one end of the connecting pipe is fixedly connected with the left end of an adjusting assembly cover, the other end of the connecting pipe is fixedly connected with the middle of the bottom end of the pressure-discharging butt joint, the pressure-discharging internal groove is communicated with the inner side of the adjusting assembly cover through the connecting pipe, the prompting inner pipe is arranged in the middle of the top end of the pressure-discharging butt joint, the pressure-discharging notch is formed in the left side and the right.
The flange lock joint hole is the same as the top ring lock joint hole in size, and the flange lock joint hole is located right left of the top ring lock joint hole so as to ensure that the protective top ring can follow the butt joint lock joint when equipment is in butt joint.
The limiting rod is circular and is uniformly arranged at the right end of the protective top ring, and the radius of the circular assembling of the limiting rod is larger than that of the closed top ring, so that the telescopic part is prevented from being corroded better.
Wherein, the airtight backing ring is made of rubber to guarantee the leakproofness.
The outlet flange head is a mirror image device with the same structure as the inlet flange head, so that the equipment can ensure the butt joint tightness of the inlet and the outlet.
The inner pressure-discharge groove is a circular through hole with a large upper part and a small lower part, and the diameter of the upper side of the inner pressure-discharge groove is consistent with the diameter of the blocking ball and the inner diameter of the prompt inner tube, so that the blocking ball can move in the upper side of the inner pressure-discharge groove and the prompt inner tube.
The pressure discharge notch is a rectangular flat notch, so that the pressure discharge notch can make a prompt sound due to the extrusion vibration of pressure and the notch when pressure is discharged.
The working principle is as follows: when the equipment is assembled and butted, a butted bolt firstly penetrates through the through hole of the top ring and then penetrates through the through hole of the flange to be locked with the nut, the flange at the assembling position can push the protective top ring to move towards the flange head of the equipment, in the moving process, the sealed top ring arranged on the equipment can push the sealed backing ring to gradually expose out of the flange at the assembling position to carry out sealed top pressure, the stability of the equipment during assembling and butting is better ensured, the extrusion deformation caused by the whole exposed sealed backing ring during butting is better prevented, the sealing of the equipment butting is better ensured, in the using process of the equipment, when the pressure reaches a certain degree, part of medium enters the pressure-discharging inner groove through the damping pipe, the through hole and the connecting pipe, and after the medium enters the pressure-discharging inner groove, the medium can push the retaining ball in the pressure-discharging inner groove to rise along with the rising of the retaining ball, when the check ball rises to first row's pressure notch top, the medium can flow out via row's pressure notch and carry out the exhaust pressure to can send a shelves suggestion sound because the pressure of medium can with mouthful groove extrusion vibrations at the outflow in-process, and when a row's pressure notch is not enough to arrange the pressure, the check ball can continue to rise to next row's pressure notch top, and trigger the suggestion sound of keeping off, analogize so to make the user be convenient for the operation condition of judgement equipment according to different grades of sounds.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a take flange relief pressure valve of manometer which characterized in that: the pressure-relief valve comprises a valve body (1), a pressure gauge (2) and a prompt pressure-relief pipe (3), wherein the pressure gauge (2) is embedded and locked on the upper sides of the left end and the right end of the valve body (1), and the prompt pressure-relief pipe (3) is fixedly connected with the valve body (1);
the valve body (1) comprises an inlet flange head (a), a control wheel (b), a screw rod (c), a pressure regulating head (d), a pressure regulating spring (e), an adjusting assembly cover (f), a through hole (g), a pressure discharge valve seat (h), a diaphragm (i), a valve core (j), a damping tube (k), an outlet flange head (l), an inner partition plate (m), a valve plate (n), a bottom cover (o), a reset spring (p) and an assembly main body (q), wherein the left side of the assembly main body (q) is fixedly connected with the inlet flange head (a), the right side of the assembly main body (q) is fixedly connected with the outlet flange head (l), the inner partition plate (m) is arranged inside the assembly main body (q), the damping tube (k) penetrates through the right side of the top end of the assembly main body (q), the top end of the damping tube (k) is communicated with the inside of the adjusting assembly cover (f), the middle part of the top end of the bottom cover (o) is connected with the middle part of the bottom end of the valve plate (n) through a reset spring (p), the top end of the valve plate (n) is connected with the middle part of the bottom end of the inner partition plate (m), the middle part of the top end of the valve plate (n) is fixedly connected with the bottom end of the valve core (j), an adjusting assembly cover (f) is arranged at the top end of the assembly main body (q), a diaphragm (i) is buckled at the lower side inside the adjusting assembly cover (f), a pressure discharge valve seat (h) is arranged at the middle part of the top end of the diaphragm (i), the pressure discharge valve seat (h) and the middle part of the diaphragm (i) are provided with a through hole (g) in a penetrating way, the top end of the valve core (j) is arranged in the through hole (g) after penetrating through the middle parts of the inner partition plate (m) and the top end of the assembly main body (q), the middle part of the top, the top end of the screw rod (c) penetrates through the middle of the top end of the adjusting assembly cover (f) and is fixedly connected with the middle of the bottom end of the control wheel (b), the screw rod (c) is in threaded connection with the adjusting assembly cover (f), and the left end of the adjusting assembly cover (f) is fixedly connected with the prompting pressure-discharging pipe (3);
the inlet flange head (a) comprises a flange locking hole (a1), a top ring locking hole (a2), a flange through hole (a3), a sealed top ring (a4), a top ring through hole (a5), a sealed backing ring (a6), a limiting rod (a7), a protective top ring (a8), a protective spring (a9) and an assembly flange (a10), wherein the right end of the assembly flange (a10) is fixedly connected with an assembly main body (q), the middle of the assembly flange (a10) is provided with a flange through hole (a3) in a penetrating manner, the flange locking hole (a1) is arranged on the assembly flange (a10) in a penetrating manner, the left end of the assembly flange (a10) is fixedly provided with the sealed top ring (a4), the left end of the sealed top ring (a4) is provided with the sealed backing ring (a6), the middle of the protective top ring (a 36 8) is provided with the top ring locking hole (a2) in a penetrating manner, the top ring (a8) is sleeved on the sealed top ring (a8) through the top ring locking hole (a8), and the limiting rod (8, the right end of the limiting rod (a7) is embedded and buckled with the assembly flange (a10) through a protective spring (a 9);
the prompt pressure-discharging pipe (3) comprises a blocking ball (31), a connecting pipe (32), a pressure-discharging butt joint (33), a pressure-discharging inner groove (34), a pressure-discharging assembly pipe (35), a pressure-discharging notch (36), a prompt inner pipe (37) and an inner pipe top cover (38), wherein the pressure-discharging inner groove (34) penetrates through the middle of the pressure-discharging butt joint (33) from top to bottom, one end of the connecting pipe (32) is fixedly connected with the left end of an adjusting assembly cover (f), the other end of the connecting pipe (32) is fixedly connected with the middle of the bottom end of the pressure-discharging butt joint (33), the pressure-discharging inner groove (34) is communicated with the inner side of the adjusting assembly cover (f) through the connecting pipe (32), the prompt inner pipe (37) is arranged in the middle of the top end of the pressure-discharging butt joint (33), the pressure-discharging notches (36) penetrate through the left side and the right side of the prompt inner pipe (37), the pressure-discharging pipe (, the stop ball (31) is arranged in the prompt inner tube (37).
2. The flange pressure reducing valve with the pressure gauge according to claim 1, wherein: the flange locking hole (a1) is the same size as the top ring locking hole (a2), and the flange locking hole (a1) is located just to the left of the top ring locking hole (a 2).
3. The flange pressure reducing valve with the pressure gauge according to claim 1, wherein: the limiting rods (a7) are circularly and uniformly arranged at the right end of the protective top ring (a8), and the radius of the assembling circle of the limiting rods (a7) is larger than that of the closed top ring (a 4).
4. The flange pressure reducing valve with the pressure gauge according to claim 1, wherein: the sealing grommet (a6) is made of rubber.
5. The flange pressure reducing valve with the pressure gauge according to claim 1, wherein: the outlet flange head (l) is a mirror image device with the same structure as the inlet flange head (a).
6. The flange pressure reducing valve with the pressure gauge according to claim 1, wherein: the pressure-discharge inner groove (34) is a circular through hole with a large upper part and a small lower part, and the diameter of the upper side of the pressure-discharge inner groove (34) is consistent with the diameter of the stop ball (31) and the inner diameter of the prompt inner pipe (37).
7. The flange pressure reducing valve with the pressure gauge according to claim 1, wherein: the pressure discharge notch (36) is a rectangular flat notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021663382.3U CN212690965U (en) | 2020-08-11 | 2020-08-11 | Flange pressure reducing valve with pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021663382.3U CN212690965U (en) | 2020-08-11 | 2020-08-11 | Flange pressure reducing valve with pressure gauge |
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| Publication Number | Publication Date |
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| CN212690965U true CN212690965U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021663382.3U Active CN212690965U (en) | 2020-08-11 | 2020-08-11 | Flange pressure reducing valve with pressure gauge |
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| CN (1) | CN212690965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115970207A (en) * | 2022-12-27 | 2023-04-18 | 湖南中联重科应急装备有限公司 | Fire extinguishing system for fire truck and fire truck |
-
2020
- 2020-08-11 CN CN202021663382.3U patent/CN212690965U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115970207A (en) * | 2022-12-27 | 2023-04-18 | 湖南中联重科应急装备有限公司 | Fire extinguishing system for fire truck and fire truck |
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