CN209340563U - A kind of replaceable wet alarm valve of valve seat and its valve seat dismantling key - Google Patents
A kind of replaceable wet alarm valve of valve seat and its valve seat dismantling key Download PDFInfo
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- CN209340563U CN209340563U CN201821938366.3U CN201821938366U CN209340563U CN 209340563 U CN209340563 U CN 209340563U CN 201821938366 U CN201821938366 U CN 201821938366U CN 209340563 U CN209340563 U CN 209340563U
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- valve
- ring
- ring week
- valve seat
- week
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Abstract
The utility model relates to a kind of replaceable wet alarm valve of valve seat and its valve seat dismantling keies, alarm valve includes valve body, valve deck, valve seat, valve plate, valve shaft and reset spring, valve base sealing is inlaid in valve body ring-shaped valve seats groove, valve cup ring week outer wall set ring week alarm sink, valve base sealing end face sets ring week leak-off chute, its bottom sets the water hole of several connected ring week alarm sinks, and valve base sealing end surface side outer wall sets the ring week shoulder engaged with valve seal；Be characterized on ring week shoulder be arranged valve cup ring week screw thread, ring week shoulder close sealing surface of seat side edge set ring week flange；The flow inlet side face ring periphery edge of valve seat is set as ring week chamfering slope surface；Valve body ring week screw thread is set on the ring-shaped valve seats groove inner wall of valve body；Ring week sealing shoulder is correspondingly provided with the ring week flange of valve seat on ring-shaped valve seats groove inner wall and is embedded in O-ring；O-ring is embedded between ring-shaped valve seats groove and ring week chamfering slope surface；Valve seat is uniformly arranged 3 convex blocks on the inner wall of flow inlet end face.
Description
Technical field
The utility model relates to fire-fighting system warning facility more particularly to a kind of replaceable wet alarm valves of valve seat and its valve
Seat dismantling key.
Background technique
Wet alarm valve is also referred to as wet type alarm check-valves, for wet type pipeline extinction by automatic sprinkling system in fire-fighting system
Reduction or raising opening and closing valve plate for water management, by pipe network system side hydraulic pressure.As shown in Figs 1-4, wet alarm valve mainly wraps
The valve body 1a equipped with water flow import and export is included, the valve deck 13 of mouth in the valve body is covered, the valve seat of valve body flow inlet side is set
It 5a, valve plate 2, valve shaft 10 and is sleeved on one end on valve shaft and compresses the reset spring 11 that valve body one end compresses valve plate, valve plate sealing ring 3
By pressing ring 6 and bolt 7, locking nut 9 be aided with O-ring 8 sealing be packed on valve plate 2, valve plate 2 by valve plate sealing ring 3 with
Valve seat 5a is in sealing contact, and the valve cup ring week outer wall is equipped with slot 53 of alarming in ring week, is equipped with ring week leak-off chute 51 in its seal face,
The water hole 52 of alarm of several connected ring weeks slot 53 is equipped in ring week leak-off chute bottom interval.
When a fire, the closed nozzle water spray of system, then causes wet alarm valve downstream water drops, at this time valve
Hydraulic pressure is greater than hydraulic pressure after valve plate before plate, and then valve plate 2 is opened, and Xiang Liguan and pipe network supply water, while water is successively along alarm valve
Ring week leak-off chute 51, water hole 52, slot 53 of alarming in ring week, most enter alarm pipeline through apopore 15 afterwards, i.e. delayer, pressure is opened
It closes and the facilities such as warning water system, sending fire alarm simultaneously starts fire pump.In above-mentioned wet alarm valve structure, valve seat 5a and valve
Plate sealing ring 3 forms sealing pair, and sealing of the Lai Shixian wet alarm valve under set condition reaches zero leakage, to prevent to report by mistake
It is alert.
The defect of existing wet alarm valve be valve seat 5a and valve body 1a using interference fit encryption sealing indentation form into
Row fixed seal connection is embedded in valve seat 5a in the pre-processed ring-shaped valve seats groove 16 of valve body, then processes valve seat again
Sealing surfaces reach seal request.But this structure is used, after valve assembling not due to the defect and valve plate sealing ring of valve seat
When can seal, valve seat cannot be replaced.Valve body need to be processed again, cause the damage of valve body spray coating, and serious person even scraps, causes
Equipment waste, improves cost.Valve seat valve body package assembly how is improved, realizes that valve seat is replaceable, becomes industry concerned issue.
Utility model content
The main purpose of the utility model is that in view of the above-mentioned problems, provide a kind of replaceable wet alarm valve of valve seat and its
Valve seat dismantling key reaches and reduces equipment waste to realize that the valve seat of valve efficient and convenient can be assembled, be replaced, reduce at
This, improves the effect of production efficiency.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of wet alarm valve of valve with changeable valve seat mainly includes the valve body equipped with water flow import and export, covers the valve body
The valve deck of middle mouth is arranged in the ring-shaped valve seats of valve body flow inlet side, valve plate, valve shaft and is sleeved on one end on valve shaft and compresses valve body
One end compresses the reset spring of valve plate, and the valve base sealing is inlaid in the ring-shaped valve seats groove of valve body, and valve plate sealing ring passes through
Pressing ring and fastener sealing are packed on valve plate, and valve plate is contacted by valve plate sealing ring with valve base sealing, and the valve cup ring week is outer
Wall is equipped with sink of alarming in ring week, is equipped with ring week leak-off chute in valve base sealing end face, is arranged in ring week leak-off chute bottom interval several
It is connected to the water hole of the ring week alarm sink, the ring week shoulder engaged with valve seal is equipped in valve base sealing end surface side outer wall
Platform；It is characterized in that, valve cup ring week screw thread, the close sealing surface of seat side of the ring week shoulder are arranged on the ring week shoulder
Along equipped with ring week flange；The flow inlet side face ring periphery edge of the valve seat is set as ring week chamfering slope surface；In the ring of valve body
It is matched on shape valve seat groove inner wall with valve cup ring week screw thread and is equipped with valve body ring week screw thread；On ring-shaped valve seats groove inner wall with valve seat
The ring week flange corresponding position on sealing surface side edge is equipped with and seals shoulder ring week, and is embedded in ring week sealing shoulder
One O-ring；Another O-ring is embedded between ring-shaped valve seats groove and the ring week chamfering slope surface of valve seat；In the annular plate valve
Seat is uniformly arranged 3 convex blocks on the inner wall of flow inlet end face.
A kind of valve seat dismantling key of the wet alarm valve of above-mentioned valve with changeable valve seat, which is characterized in that the spanner is by T
Shape handle and the driving end for being connected to its bottom end are constituted, and the driving end includes the cap formula with the valve seat inner hole clearance fit
Round cutting ferrule is correspondingly provided with three card slots in the cutting ferrule surrounding place side wall bottom and three convex blocks of the valve seat, working condition
The circular card set insertion valve seat inner hole and three of them card slot of its driving end of spanner are fastened in respectively on three convex blocks.
The T-handle is inserted into cap formula circle cutting ferrule center of top by the square toes that its bottom end is arranged with clearance fit and sets
It achieves a fixed connection in the sleeve set.
The beneficial effects of the utility model are:
(1) wet alarm valve provided by the utility model, valve seat are connect with valve body screw thread, and in the flow inlet side of valve seat
And be aided with O-ring respectively close to its sealed end surface side and be sealed, guarantee the sealed connection of valve seat, valve body；It is thus achieved that valve
Seat is convenient for disassembly and assembly, and when assembling may be used interchangeably same size valve body；And cannot normally seal in valve plate and valve seat or
Valve base surface replaces valve seat with can be convenient when damaging, and facilitates and carries out reusing for routine maintenance and valve body；In addition, valve body is not
The secondary machine after assembling valve seat is needed, damage of the secondary clamping to valve body spray coating is avoided；Reduction equipment wave is reached
Take, reduce cost, improves the effect of production efficiency.
(2) due to being provided with spanner, it is ensured that its valve seat of the wet alarm valve of above-mentioned valve with changeable valve seat and valve body realize quick side
Just thus conventional sectional and maintenance are completed in dismounting, easy to operate, time saving and energy saving, work efficiency is high.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of existing wet alarm valve；
Fig. 2 is the partial enlarged view of the valve seat part of existing wet alarm valve；
Fig. 3 is the structural schematic diagram of valve seat in Fig. 1；
Fig. 4 is the structural schematic diagram of valve body in Fig. 1；
Fig. 5 is the schematic view of the front view of the wet alarm valve of valve with changeable valve seat；
Fig. 6 is the partial enlarged view of the valve seat part of the wet alarm valve of valve with changeable valve seat；
Fig. 7 is the structural schematic diagram of valve seat in Fig. 5；
Fig. 8 is the right view of Fig. 7；
Fig. 9 is the structural schematic diagram of valve body in Fig. 5；
Figure 10 is the schematic view of the front view of spanner；
Figure 11 is driving end structural schematic diagram；
Figure 12 is the left view of Figure 11；
Figure 13 is the application schematic diagram of spanner.
In figure:
1a-1b valve body, 2 valve plates, 3 valve plate sealing rings, 4 O-rings, 5a-5b valve seat, 51 annular leak-off chutes, 52 water holes,
53 ring weeks alarm sink, 54 ring week shoulder, 55 ring week flange, 56 ring week chamfering slope surface, 57 valve cup ring week screw thread, 58 convex blocks, 6 pressure
It encloses, 7 bolts, 8 O-rings, 9 locking nuts, 10 valve shafts, 11 reset springs, mouth gasket in 12,13 valve decks, 15 apopores, 16
Ring-shaped valve seats groove, 17 valve body ring week screw thread, 18 ring weeks seal shoulder.
20 T-handles, 21 square toes, 22 anti-skid chequers, 30 driving ends, 31 card slots, 32 sleeves, 33 round cutting ferrules, 34 losss of weight
Hole.
The utility model is described in detail below in conjunction with drawings and examples.
Specific embodiment
Embodiment 1
Fig. 5-9 shows a kind of wet alarm valve of valve with changeable valve seat, mainly includes the valve body 1b equipped with water flow import and export,
Ring-shaped valve seats 5b, valve plate 2, valve shaft 10 and the suit of valve body flow inlet side is arranged in the valve deck 13 for covering mouth in the valve body
One end compresses the reset spring 11 that the one end valve body 1b compresses valve plate 2 on valve shaft 10, and the valve seat 5b sealing is inlaid in valve body 1b
Ring-shaped valve seats groove 16 in, for valve plate sealing ring 3 by pressing ring 6 and fastener bolt 7, locking nut 9 is simultaneously aided with O-ring 8, close
On valve plate 2, valve plate 2 is in sealing contact by valve plate sealing ring 3 and valve seat 5b for sealing, and the valve seat 5b ring week outer wall is equipped with ring
Week alarm sink 53, valve base sealing end face be equipped with ring week leak-off chute 51, if ring week leak-off chute 51 bottom interval be arranged involvement
The water hole 52 for leading to the ring week alarm sink 53, the ring week shoulder engaged with valve seal is equipped in valve base sealing end surface side outer wall
Platform 54.
The utility model is characterized in that, valve cup ring week screw thread 57, the ring week shoulder are arranged on the ring week shoulder 54
54 close sealing surface of seat side is along equipped with ring week flange 55；The flow inlet side face ring periphery of the valve seat 5b is along setting
For ring week chamfering slope surface 56；It is matched on 16 inner wall of ring-shaped valve seats groove of valve body 1b with valve cup ring week screw thread 57 and is equipped with valve body ring
All screw threads 17；55 corresponding position of ring week flange on 16 inner wall of ring-shaped valve seats groove with sealing surface of seat side edge is equipped with
It seals shoulder 18 ring week, and is embedded in an O-ring 4 in ring week sealing shoulder 18；In ring-shaped valve seats groove 16 and valve seat 5b
The ring week chamfering slope surface 56 between be embedded in another O-ring 4；The inner wall of flow inlet end face is abutted in the ring-shaped valve seats
On, 3 convex blocks 58 are uniformly arranged, as tool force positioning wedged block and bearing object when the convex block 58 is used to dismount valve seat.
As can be seen that in the prior art valve seat and valve body be fixed using the indentation form of interference fit encryption sealing it is close
Envelope connection makes in the pre-processed ring-shaped valve seats groove of valve seat insertion valve body, after valve assembling due to the defect of valve seat with
When valve plate sealing ring cannot seal, valve seat cannot be replaced, and valve body need to be processed again, cause the damage of valve body spray coating, serious person
It even scraps, equipment is caused to waste.And wet alarm valve provided by the utility model, valve seat 5b are threadedly coupled with valve body 1, and
The flow inlet side of valve seat and its close sealed end surface side are aided with O-ring respectively and are sealed, and guarantee valve seat, the sealing of valve body connects
It connects；It is thus achieved that valve seat is convenient for disassembly and assembly, when assembling, may be used interchangeably same size valve body；And valve plate and valve seat not
It can normally seal or when valve base surface damages replaces valve seat with can be convenient, facilitate and carry out making again for routine maintenance and valve body
With；In addition, valve body does not need the secondary machine after assembling valve seat, damage of the secondary clamping to valve body spray coating is avoided.By
This has also reached the waste of reduction equipment, reduces cost, improves the effect of production efficiency.
Embodiment 2
To guarantee that its valve seat of wet alarm valve realization of above-mentioned valve with changeable valve seat fast and easily dismounts, with carry out assembling and
Maintenance, the utility model also provides a kind of valve seat dismantling key of the wet alarm valve of above-mentioned valve with changeable valve seat, such as Figure 10-
Shown in 13, which is characterized in that, is made of T-handle 20 and the driving end 30 for being connected to its bottom end, the driving end 30
Including the cap formula circle cutting ferrule 33 with the valve seat inner hole clearance fit, in the round 33 surrounding place side wall bottom of cutting ferrule and institute
Three convex blocks 58 for stating valve seat 5b are correspondingly provided with three card slots 31, and the round cutting ferrule 33 of its driving end 30 of the spanner of working condition is inserted
Enter valve seat inner hole and three of them card slot 31 is fastened in respectively on three convex blocks 58.
In actual fabrication, the T-handle 20 is inserted into cap formula by the square toes 21 that its bottom end is arranged with clearance fit
It achieves a fixed connection in the sleeve 32 of round 33 center of top of cutting ferrule setting.For convenient for T-handle 20 of holding with a firm grip, when use, is not beaten
It is sliding, anti-skid chequer 22 is equipped in handle surfaces.
As shown in figure 13, when operation, hold T-handle 20, the round cutting ferrule 33 of driving end be inserted into valve seat 5b inner hole and its
Three card slots 31 are fastened in respectively on three convex blocks 58.At this moment, T-handle 20 clockwise or counterclockwise are only needed, it can be fast
Valve seat is installed or removed to victory accurately, thereby guarantees that the valve seat 5b of threaded connection and valve body 1a can be normally carried out assembling, replaces, dimension
It repairs.Especially handle, driving end are made of ordinary carbon steel, are separable assembled, and structure is simple, easy processing, low in cost, facilitate guarantor
Pipe carries.In the application, the valve of all specifications of T-handle is all generally applicable, and driving end has difference according to different size valve
Specification selects adapted.It is the spanner of the above wet alarm valve of 6 inch in this example, material is saved to mitigate weight, in round cutting ferrule 33
Multiple lightening holes 34 are arranged in top surface.
As can be seen that due to being provided with above-mentioned spanner, it is ensured that its valve seat of the wet alarm valve of above-mentioned valve with changeable valve seat and valve
Body realization fast and easily dismounts, and thus completes conventional sectional and maintenance, easy to operate, time saving and energy saving, work efficiency is high.
The above is only the preferred embodiment of the utility model, not to the shaped materials of the utility model and
Structure makes any form of restriction.It is made by the above technical examples according to the technical essence of the present invention any simple
Modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention.
Claims (3)
1. a kind of wet alarm valve of valve with changeable valve seat mainly includes the valve body equipped with water flow import and export, covers in the valve body
Mouthful valve deck, the ring-shaped valve seats of valve body flow inlet side, valve plate, valve shaft are set and is sleeved on one end on valve shaft and compresses valve body one
End compresses the reset spring of valve plate, and the valve base sealing is inlaid in the ring-shaped valve seats groove of valve body, and valve plate sealing ring passes through pressure
Circle and fastener sealing are packed on valve plate, and valve plate is contacted by valve plate sealing ring with valve base sealing, the valve cup ring week outer wall
Equipped with sink of alarming in ring week, it is equipped with ring week leak-off chute in valve base sealing end face, if involvement is arranged in ring week leak-off chute bottom interval
The water hole for leading to the ring week alarm sink, the ring week shoulder engaged with valve seal is equipped in valve base sealing end surface side outer wall；
It is characterized in that, valve cup ring week screw thread, the close sealing surface of seat side edge of the ring week shoulder are arranged on the ring week shoulder
Equipped with ring week flange；The flow inlet side face ring periphery edge of the valve seat is set as ring week chamfering slope surface；In the annular of valve body
It is matched on valve seat groove inner wall with valve cup ring week screw thread and is equipped with valve body ring week screw thread；It is close with valve seat on ring-shaped valve seats groove inner wall
The ring week flange corresponding position on cover side edge is equipped with and seals shoulder ring week, and is embedded in one in ring week sealing shoulder
O-ring；Another O-ring is embedded between ring-shaped valve seats groove and the ring week chamfering slope surface of valve seat；In the ring-shaped valve seats
On the inner wall of flow inlet end face, it is uniformly arranged 3 convex blocks.
2. a kind of valve seat dismantling key of the wet alarm valve of valve with changeable valve seat as described in claim 1, which is characterized in that
The spanner is made of T-handle with the driving end for being connected to its bottom end, and the driving end includes and interporal lacuna in the valve seat
The cap formula circle cutting ferrule of cooperation is correspondingly provided with three cards in the cutting ferrule surrounding place side wall bottom and three convex blocks of the valve seat
Slot, the circular card set insertion valve seat inner hole and three of them card slot of its driving end of the spanner of working condition are fastened in three convex blocks respectively
On.
3. the valve seat dismantling key of the wet alarm valve of valve with changeable valve seat according to claim 2, it is characterised in that institute
T-handle is stated to be inserted into the sleeve that cap formula circle cutting ferrule center of top is arranged by the square toes that its bottom end is arranged with clearance fit
It achieves a fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821938366.3U CN209340563U (en) | 2018-11-23 | 2018-11-23 | A kind of replaceable wet alarm valve of valve seat and its valve seat dismantling key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821938366.3U CN209340563U (en) | 2018-11-23 | 2018-11-23 | A kind of replaceable wet alarm valve of valve seat and its valve seat dismantling key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209340563U true CN209340563U (en) | 2019-09-03 |
Family
ID=67749014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821938366.3U Active CN209340563U (en) | 2018-11-23 | 2018-11-23 | A kind of replaceable wet alarm valve of valve seat and its valve seat dismantling key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209340563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762259A (en) * | 2019-11-16 | 2020-02-07 | 永嘉企达知识产权咨询有限公司 | Swing check valve |
-
2018
- 2018-11-23 CN CN201821938366.3U patent/CN209340563U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762259A (en) * | 2019-11-16 | 2020-02-07 | 永嘉企达知识产权咨询有限公司 | Swing check valve |
| CN110762259B (en) * | 2019-11-16 | 2021-07-20 | 慎江阀门有限公司 | Swing check valve |
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