CN202545318U

CN202545318U - Check valve device of submersible pump

Info

Publication number: CN202545318U
Application number: CN2012200419613U
Authority: CN
Inventors: 陈国荣; 唐卫全
Original assignee: Jiangmen Ruirong Pump Industry Co Ltd
Current assignee: GUANGDONG RUIRONG PUMP INDUSTRY CO., LTD.
Priority date: 2012-02-06
Filing date: 2012-02-06
Publication date: 2012-11-21
Anticipated expiration: 2022-02-06

Abstract

The utility model relates to a check valve device of a submersible pump for a water outlet of the submersible pump. The check valve device of the submersible pump comprises a check valve seat, a check valve and a check valve limiting frame, wherein the check valve seat is a wave ring valve seat; a center hole of the ring is a water inlet; a single-edge section shape of the ring forms a W-shaped smooth wave shape; the check valve seat structurally comprises a rubber sealing ring at the upper layer and a hard metal ring valve seat cladding the bottom surface of the rubber sealing ring at the lower layer; the check valve is a disk valve cover; the one-way seal of the bottom surface of the check valve covers the water inlet at one side of the check valve seat with the rubber sealing ring; the check valve limiting frame forms a bowl shape; a water outlet hole is arranged on the peripheral wall; a folding edge is arranged on the bowl edge; the check valve limiting frame is reversely buckled on the check valve seat in a bowl shape; the folding edge is adhered and sealed according to the edge shape of the rubber sealing ring of the check valve seat, and the check valve is packaged in the folding edge. The check valve device of the submersible pump has the beneficial effects that the check valve is prevented from being out of action or being plugged, and the structure is simple.

Description

The submersible pump check vavle device

Technical field

The utility model relates to a kind of submersible pump check vavle device that is used for the submersible pump water outlet.

Background technique

In the existing technology, the submersible pump water outlet all makes progress, when pump water stops; If there is not check vavle device, the water that is present in the water pipe can be in fast automatic backflow, water column impacting with high pressure pump interlobar part structure; Possibly cause the breakage of pump leaf and cause fault, so the submersible pump check vavle device generally all is installed in the submersible pump water outlet, the structure of the submersible pump check vavle device of existing technology mainly comprises Boilor check valve seat and safety check and safety check position-limited rack; Safety check is that one-way sealing is on Boilor check valve seat center water outlet hole; Wherein safety check has uses plastic sphere, have with one-way sealing Boilor check valve seat center water outlet holes such as plastic pistons, water column backwashes when preventing that pump water from stopping; But because of hydraulic pressure bigger; All there is be stamped distortion and cause and pass center water outlet hole or stuck on the center water outlet hole of safety check in these structures, safety check is no longer shielded or stop up the center water outlet hole, cause the water pump fault.How preventing the ineffective or obstruction of safety check, is the present technical issues that need to address.

The model utility content

The utility model technical issues that need to address provide and a kind ofly can prevent that safety check is ineffective or stop up submersible pump check vavle device simple in structure.

In order to solve the problems of the technologies described above; The technological scheme of the utility model submersible pump check vavle device is: comprise Boilor check valve seat and safety check and safety check position-limited rack, described Boilor check valve seat is a kind of wavy annular valve seat, and wherein the center hole of ring is a blasthole; The monolateral sectional shape of ring is the slick and sly heaving of the sea of W shape; Its structure comprises the rubber seal ring on upper strata and the hard metal ring valve seat of lower floor its bottom surface of bag embedding, and described safety check is a kind of disc valve gap, and the bottom surface one-way sealing of this safety check covers Boilor check valve seat to have on the rubber seal ring blasthole simultaneously; Described safety check position-limited rack is bowl-shape; Its perisporium has osculum, and bowl-shape edge has flanging, and said safety check position-limited rack is that bowl-shape left-hand thread is on Boilor check valve seat; Said flanging is fitted according to the rubber seal ring edge shape of Boilor check valve seat and is sealed, in safety check is encapsulated in.

Optimal technical scheme as the utility model: said safety check is a kind of W shape disc valve gap that comprises the frustum that its center has and center on the groove of this frustum root for the disc valve gap.

Optimal technical scheme as the utility model: said safety check position-limited rack be bowl-shape be that a kind of taper type is bowl-shape.

The beneficial effect of the utility model is: because safety check adopts the disc valve gap in the utility model; Can adopt corrosion resistant plate material press forming; Weight and intensity are fit to; The frustum that safety check has as its center and around the W shape disc valve gap of the groove of this frustum root receive the safety check position-limited rack to be limited in the regulation space with the water (flow) direction automatic steady to go up and down to realize the safety check function, if can guarantee its intensity in the weight reduction; And Boilor check valve seat is as the wavy annular valve seat, and the monolateral sectional shape of ring is the slick and sly heaving of the sea of W shape, and its structure comprises that the rubber seal ring on upper strata and lower floor wrap the hard metal ring valve seat of its bottom surface of embedding; Both can guarantee its intensity, noise reduces when making safety check descend the collision Boilor check valve seat, and good seal; Also can reduce the wearing and tearing of safety check; Guarantee long-term proper functioning, have and to prevent that safety check is ineffective or stop up beneficial effect simple in structure.

Description of drawings

Below in conjunction with accompanying drawing the submersible pump check vavle device of the utility model is done more detailed explanation.

Fig. 1 is the structure sectional view of the utility model submersible pump check vavle device.

Fig. 2 is the plan view of Fig. 1.

Fig. 3 is the structure sectional view of Boilor check valve seat in the utility model submersible pump check vavle device.

Fig. 4 is the structure sectional view of safety check in the utility model submersible pump check vavle device.

Fig. 5 is the structure sectional view of safety check position-limited rack in the utility model submersible pump check vavle device.

Fig. 6 is the plan view of Fig. 5.

Fig. 7 is the stereogram of safety check position-limited rack in the utility model submersible pump check vavle device.

Fig. 8 is that the utility model submersible pump check vavle device is installed in the structure sectional view in the submersible pump.

Embodiment

Shown in Fig. 1～8; The mode of execution of the utility model submersible pump check vavle device is: comprise Boilor check valve seat 1 and safety check 2 and safety check position-limited rack 3, described Boilor check valve seat 1 is a kind of wavy annular valve seat, and wherein the center hole of ring is a blasthole 4; The monolateral sectional shape of ring is the slick and sly heaving of the sea of W shape; Its structure comprises the rubber seal ring 5 on upper strata and the hard metal ring valve seat 6 of lower floor its bottom surface of bag embedding, and described safety check 2 is a kind of disc valve gaps, and the bottom surface one-way sealing of this safety check 2 covers Boilor check valve seat 1 to have on rubber seal ring 5 blasthole 4 simultaneously; Described safety check position-limited rack 3 is bowl-shape; Its perisporium has osculum 7, and bowl-shape edge has flanging 8, and said safety check position-limited rack 3 is that bowl-shape left-hand thread is on Boilor check valve seat 1; Said flanging 8 is fitted according to rubber seal ring 5 edge shapes of Boilor check valve seat 1 and is sealed, in safety check 2 is encapsulated in.In the present embodiment; The hard metal ring valve seat 6 of Boilor check valve seat 1 lower floor its bottom surface of bag embedding can adopt stainless steel to make; Upper strata rubber seal ring 5 can adopt nitrile butadiene rubber to make, and closes injection forming with hard metal ring valve seat 6, and safety check 2 also can use the stainless steel moulding to make with safety check position-limited rack 3.

By shown in Figure 4, as the preferred implementation of the utility model: said safety check 2 is a kind ofly to comprise frustum 9 that its center has and around the W shape disc valve gap of the groove 10 of this frustum root for the disc valve gap.In the present embodiment, safety check 2 can adopt the sheet metal once-through, preferably adopts stainless steel, and frustum 9 and groove 10 can increase the intensity of safety check, and it is gone up and down steadily.

Shown in Fig. 5～7, as the preferred implementation of the utility model: said safety check position-limited rack 3 for bowl-shape be that a kind of taper type is bowl-shape.In the present embodiment, safety check position-limited rack 3 can casting or impact briquetting, and cone table shape can make its perisporium osculum 7 directions obliquely, when guaranteeing to bear the intensity of pressure, can also reduce and water resistance.

By shown in Figure 8; The utility model is mounted in the water outlet of submersible pump when using; Fixing jointly by supporting ring in the pump 11 and pump head 12, wash safety check 2 open through the blasthole 4 at Boilor check valve seat 1 center on the current direction during pump working, safety check 2 is limited climb by safety check position-limited rack 3; And under hydraulic pressure, often open, the flow through osculum 7 of safety check position-limited rack 3 sidewalls of water column is got from pump head 12; After closing down water pump, water column flow-reversing impingement, safety check 2 are stamped downwards, block the blasthole 4 at Boilor check valve seat 1 center, and protection is lived water pump internal pump leaf not by impact failure.

Because safety check 2 adopts the disc valve gap in the utility model; Can adopt corrosion resistant plate material press forming; Weight and intensity are fit to; The frustum 9 that safety check 2 has as its center and around the W shape disc valve gap of the groove 10 of this frustum root receive safety check position-limited rack 3 to be limited in the regulation space with the water (flow) direction automatic steady to go up and down to realize the safety check function, if can guarantee its intensity in the weight reduction; And Boilor check valve seat 1 is as the wavy annular valve seat, and the monolateral sectional shape of ring is the slick and sly heaving of the sea of W shape, and its structure comprises the rubber seal ring 5 on upper strata and the hard metal ring valve seat 6 of lower floor its bottom surface of bag embedding; Both can guarantee its intensity, noise reduces when making safety check descend collision Boilor check valve seat 1, and good seal; Also can reduce the wearing and tearing of safety check 2; Guarantee long-term proper functioning, have and to prevent that safety check is ineffective or stop up beneficial effect simple in structure.

The above be the utility model preferred embodiment, do not constitute restriction to the utility model protection domain, so long as implement the purpose of the utility model, all should belong to the protection domain of the utility model with essentially identical means.

Claims

1. submersible pump check vavle device; Comprise Boilor check valve seat (1) and safety check (2) and safety check position-limited rack (3), it is characterized in that: described Boilor check valve seat (1) is a kind of wavy annular valve seat, and wherein the center hole of ring is blasthole (4); The monolateral sectional shape of ring is the slick and sly heaving of the sea of W shape; Its structure comprises the rubber seal ring (5) on upper strata and the hard metal ring valve seat (6) of lower floor its bottom surface of bag embedding, and described safety check (2) is a kind of disc valve gap, and the bottom surface one-way sealing of this safety check (2) covers Boilor check valve seat (1) to have on rubber seal ring (5) blasthole (4) simultaneously; Described safety check position-limited rack (3) is bowl-shape; Its perisporium has osculum (7), and bowl-shape edge has flanging (8), and said safety check position-limited rack (3) is that bowl-shape left-hand thread is on Boilor check valve seat (1); Said flanging (8) is fitted according to rubber seal ring (5) edge shape of Boilor check valve seat (1) and is sealed, in safety check (2) is encapsulated in.

2. submersible pump check vavle device according to claim 1 is characterized in that: said safety check (2) is a kind of W shape disc valve gap that comprises the frustum (9) that its center has and center on the groove (10) of this frustum root for the disc valve gap.

3. submersible pump check vavle device according to claim 1 is characterized in that: said safety check position-limited rack (3) for bowl-shape be that a kind of taper type is bowl-shape.