CN209325110U - A kind of fire pump with check valve - Google Patents
A kind of fire pump with check valve Download PDFInfo
- Publication number
- CN209325110U CN209325110U CN201822128452.4U CN201822128452U CN209325110U CN 209325110 U CN209325110 U CN 209325110U CN 201822128452 U CN201822128452 U CN 201822128452U CN 209325110 U CN209325110 U CN 209325110U
- Authority
- CN
- China
- Prior art keywords
- check valve
- fire pump
- baffle ring
- sliding sleeve
- fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to a kind of fire pumps with check valve, including fire pump and the boss being located in fire-fighting pump output terminal.The output end of fire pump is equipped with check valve, check valve includes the support ring being located on fire-fighting pump output terminal inner wall, the conduit being fixedly connected with support ring, the sliding sleeve being slidably connected with conduit, the preceding baffle ring being located on pipe inner wall, the rear baffle ring being located on sliding sleeve inner wall, the sealing ball and spring for being fixed on sliding sleeve one end, the both ends of spring are contacted with preceding baffle ring and rear baffle ring respectively, are evenly equipped with hole on the outer wall of conduit.Support ring is equipped with rectangular opening, and rectangular opening surrounds the axis circular array of support ring.Preceding baffle ring is threadedly coupled with conduit, and the permeable hole to match with hole is provided on sliding sleeve.The utility model has the technical effect for avoiding water flow reflux that the flabellum in fire pump destroys by rush of water.
Description
Technical field
The utility model relates to the technical fields of fire pump, more particularly, to a kind of fire pump with check valve.
Background technique
Pump in fire pump fire-fighting, according to different mode classifications be divided into different types it is hermetically sealed with it, without letting out
Leakage, corrosion-resistant feature, are widely used in the departments such as environmental protection, water process, fire-fighting, are that creation nothing is let out for pumping each class I liquid I
Leakage, pollution-free civilized workshop, civilized factory ideal pump.Medium inside when fire-fighting pump work is in high pressure conditions, therefore
Check valve must be cooperated to use, avoid interrupting suddenly in electric power or when pressure of supply water reduces flows back, flabellum is washed out.
Under the live fire condition of burst, needs that temporarily fire pump is moved adjacent at ignition point and work, but
The fire pump that scene uses generally all is not equipped with check valve, can only direct plunge into use, when electric power interrupts or hydraulic pressure suddenly
When unstable, the water flow that the flabellum in fire pump is easy to be refluxed is washed out.
Utility model content
The purpose of the utility model is to provide a kind of fire pumps with check valve that can be avoided reflux.
The above-mentioned purpose of the utility model has the technical scheme that
A kind of fire pump with check valve, including fire pump and the boss being located in fire-fighting pump output terminal；The fire-fighting
The output end of pump is equipped with check valve；
The check valve include the support ring being located on fire-fighting pump output terminal inner wall, the conduit being fixedly connected with support ring,
The sliding sleeve that is slidably connected with conduit, the rear baffle ring being located on sliding sleeve inner wall, is fixed on sliding sleeve at the preceding baffle ring being located on pipe inner wall
The sealing ball and spring of one end；
The both ends of the spring are contacted with preceding baffle ring and rear baffle ring respectively；
Hole is evenly equipped on the outer wall of the conduit.
By using above-mentioned technical proposal, water flow is exported after the pressurization of fire pump from output end, and ball sealer is washed open
After flow out, when water flow pressure decline when, ball sealer is pushed to return on boss by spring by sliding sleeve, and output end is closed.Such energy
It enough effectively avoids flowing back and the flabellum of fire pump is caused to impact.
The utility model is further arranged to: the support ring is equipped with rectangular opening；
The rectangular opening surrounds the axis circular array of support ring.
By using above-mentioned technical proposal, water flow can pass through the rectangular opening stream on the hole and support ring on the outer wall of conduit
Out, the flow of fire pump can be increased.
The utility model is further arranged to: the sliding sleeve covers on conduit.
By using above-mentioned technical proposal, during sliding over sliding, when on its inner wall after baffle ring and conduit end
It can stop operating after face contact, can play the role of protecting spring, it is avoided to be overly compressed caused damage.
The utility model is further arranged to: the preceding baffle ring is threadedly coupled with conduit.
By using above-mentioned technical proposal, spring can be replaced after preceding baffle ring is removed, do not need entire fire pump
It opens, repairs more convenient.
The utility model is further arranged to: the support ring gradually contracts in the upper section product in direction opposite with water (flow) direction
It is small.
By using above-mentioned technical proposal, water flow can reduce to the impact force of support ring, it is avoided to export with fire pump
The junction of end inner wall is damaged.
The utility model is further arranged to: the permeable hole to match with hole is provided on the sliding sleeve.
By using above-mentioned technical proposal, the flow of fire pump output can be increased.
The utility model is further arranged to: the inner hole of the preceding baffle ring is positive polygonal hole.
By using above-mentioned technical proposal, baffle ring inner hole before being inserted into using the straight tube to match with preceding baffle ring inner hole, just
Preceding baffle ring can be removed.Dismounting speed is fast, can be effectively reduced the difficulty of replacement spring.
The utility model is further arranged to: the inner hole of the preceding baffle ring is hexagonal hole.
By using above-mentioned technical proposal, the area of baffle ring inner hole is bigger before regular hexagon, the influence to fire-fighting pump discharge
It is small, and the tool processes of regular hexagon are got up more convenient, are more easier to obtain.
In conclusion the advantageous effects of the utility model are as follows:
1. the utility model increases check valve in fire-fighting pump output terminal, it can be avoided in the course of work and flow back to fire-fighting
The flabellum of pump causes to impact.When unexpected power-off or pressure of supply water deficiency, ball sealer is contacted with boss, by the output of fire pump
End seal is closed, and water flow is avoided to flow back into fire pump body.
2. the preceding baffle ring in the use of the new type is threadedly coupled with conduit, when the spring in conduit needs replacing, can incite somebody to action
It is replaced after dismantling.The process does not need to open the fire-fighting pump housing, and replacement process is simpler, can be effectively reduced replacement
Difficulty improves replacement efficiency.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the schematic diagram of internal structure of the utility model.
Fig. 3 is the partial enlargement diagram of part A in Fig. 2.
Fig. 4 is the diagrammatic cross-section of sliding sleeve.
Fig. 5 is the structural schematic diagram of preceding baffle ring.
In figure, 11, fire pump；12, boss；21, support ring；22, conduit；23, sliding sleeve；24, preceding baffle ring；25, rear baffle ring；
26, ball sealer；27, spring；28, hole；3, rectangular opening；4, permeable hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, fire pump 11 includes two parts of the pump housing and driving motor.
It is a kind of fire pump with check valve disclosed by the utility model referring to Fig. 2 and Fig. 3, including fire pump 11, sets
Boss 12 in 11 output end of fire pump and the check valve being located in output end.
Check valve includes the support ring 21 being fixed on fire-fighting pump output terminal inner wall, is fixed on leading on 32 inner ring of support ring
Pipe 22 covers in the sliding sleeve 23 on conduit 22 and is fixed on sliding sleeve 23 far from the ball sealer 26 on 21 one end of support ring.Conduit 22
It is fixed with preceding baffle ring 24 on inner wall, rear baffle ring 25 is fixed on the inner wall of sliding sleeve 23, is equipped with spring 27 between two baffle rings.
Support ring 21 is taper, is gradually reduced in the direction upper section product opposite with water (flow) direction, it is therefore an objective to reduce
Water flow is impacted caused by it.Rectangular opening 3 is provided in support ring 21, thus water flow flows out.It is opened respectively on conduit 22 and sliding sleeve 23
There are hole 28 and permeable hole 4, as supplement, improves the output flow of fire pump.
Referring to Fig. 4, it is fixed with rear baffle ring 25 on the inner wall of sliding sleeve 23, permeable hole 4 is evenly equipped on surface, permeable hole 4 surrounds
The axis circular array of sliding sleeve 23.
Referring to Fig. 5, the inner hole of preceding baffle ring 24 is regular hexagon.
The implementation principle of the present embodiment are as follows:
It after water flow enters fire pump 11, is overpressurized from output end and is flowed out, when flowing to boss 12, will be sealed by pressure
Ball 26 opens.Specific process are as follows: water flow applies a pressure to ball sealer 26, and ball sealer 26 moves backward after being under pressure,
And sliding sleeve 23 is pushed to move with it simultaneously, sliding sleeve 23 applies a pressure to spring 27 in the process of moving, makes its contracting
It is short.Water flow is flowed out from hole 28, rectangular opening 3 and permeable hole 4 at this time.
When unexpected power-off or pressure of supply water rapid drawdown, the pressure decline that ball sealer 26 is subject to, spring 27 is kept off backward at this time
Ring 25 applies a thrust, pushes sliding sleeve 23 and ball sealer 26 to, ball sealer 26 and boss 12 mobile close to the direction of boss 12
Stop after contact.The water energy to flow back in this way is enough to be intercepted by ball sealer 25, will not be flowed back into inside fire pump 11.
When spring 27 needs replacing, before being inserted into using six rib pipes of suitable dimension in baffle ring 24, then after six rib pipes
A piece perpendicular round tube of end connection, firmly rotates the round tube, so that it may screw down preceding baffle ring 24.The spring 27 more renewed
Preceding baffle ring 24 is reinstalled again afterwards.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of fire pump with check valve, including fire pump (11) and the boss being located in fire pump (11) output end
(12)；It is characterized by: the output end of the fire pump (11) is equipped with check valve；
The check valve includes the support ring (21) being located on the output end inner wall of fire pump (11) and support ring (21) fixed company
The conduit (22) that connects, the preceding baffle ring (24) being located on conduit (22) inner wall, is located at the sliding sleeve (23) being slidably connected with conduit (22)
Rear baffle ring (25) on sliding sleeve (23) inner wall, the ball sealer (26) and spring (27) for being fixed on sliding sleeve (23) one end；
The both ends of the spring (27) are contacted with preceding baffle ring (24) and rear baffle ring (25) respectively；
Hole (28) are evenly equipped on the outer wall of the conduit (22).
2. a kind of fire pump with check valve according to claim 1, it is characterised in that: set on the support ring (21)
There are rectangular opening (3)；
The rectangular opening (3) surrounds the axis circular array of support ring (21).
3. a kind of fire pump with check valve according to claim 1, it is characterised in that: the sliding sleeve (23), which covers, is leading
It manages on (22).
4. a kind of fire pump with check valve according to claim 1, it is characterised in that: the preceding baffle ring (24) with lead
(22) are managed to be threadedly coupled.
5. a kind of fire pump with check valve according to claim 1 or 2, it is characterised in that: the support ring (21)
It is gradually reduced in the direction upper section product opposite with water (flow) direction.
6. a kind of fire pump with check valve according to claim 1, it is characterised in that: be provided on the sliding sleeve (23)
The permeable hole (4) to match with hole (28).
7. a kind of fire pump with check valve according to claim 1, it is characterised in that: the preceding baffle ring (24) it is interior
Hole is positive polygonal hole.
8. a kind of fire pump with check valve according to claim 7, it is characterised in that: the preceding baffle ring (24) it is interior
Hole is hexagonal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822128452.4U CN209325110U (en) | 2018-12-18 | 2018-12-18 | A kind of fire pump with check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822128452.4U CN209325110U (en) | 2018-12-18 | 2018-12-18 | A kind of fire pump with check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209325110U true CN209325110U (en) | 2019-08-30 |
Family
ID=67727328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822128452.4U Expired - Fee Related CN209325110U (en) | 2018-12-18 | 2018-12-18 | A kind of fire pump with check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209325110U (en) |
-
2018
- 2018-12-18 CN CN201822128452.4U patent/CN209325110U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20201218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |