CN211449762U - Explosion-proof type submersible sewage discharge electric pump check valve - Google Patents

Abstract

The utility model discloses a flame-proof type submersible sewage electric pump check valve, including valve body, water inlet, valve gap, delivery port and valve clack, the inside central point of valve body puts the department and is equipped with the valve clack, and the central point of valve clack bottom puts the department and is fixed with the sealing washer to the inside bearing frame that is equipped with of valve body of valve clack top all through the inner wall fixed connection of branch with the valve body on bearing two lateral walls of frame, the valve gap is installed on the top of valve body, and all is fixed with the supporting seat on two inside walls at valve body top to the inside of supporting seat is equipped with the bracing piece, the top of bracing piece extend to the outside of supporting seat and with the bottom fixed connection of valve gap, be equipped with the water inlet on the outer. The utility model discloses not only improved the purity at water source when the check valve uses, the phenomenon that the valve clack damaged appears when having reduced the check valve use, the convenience when having improved the check valve use moreover.

Description

Explosion-proof type submersible sewage discharge electric pump check valve

Technical Field

The utility model relates to a check valve technical field specifically is a flame proof type submersible sewage electric pump check valve.

Background

The explosion-proof submersible electric pump check valve is especially suitable for underground coal mine tunnels, mining working faces and other places with working environments containing methane or coal dust explosive gas mixtures, discharges underground water and sewage containing a small amount of suspended coal dust, rock debris, coal particles, sand and other solid particles, and is an advanced and reliable drainage tool.

The check valves on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.

(1) The existing check valve is inconvenient for filtering the water source, is difficult to ensure the purity of the water source and needs to be improved;

(2) the existing check valve is inconvenient for buffering and limiting the valve clack, so that the valve clack is easy to collide with a bearing frame, and the phenomenon of damage is caused;

(3) the existing check valve is inconvenient to rapidly disassemble the valve cover, so that the maintenance is inconvenient, and people are troubled frequently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flame proof type dive blowdown charge pump check valve to it is not convenient for carry out filtration treatment, is not convenient for cushion spacing processing and be not convenient for carry out quick problem of dismantling to the valve gap to the valve clack to provide the check valve among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof check valve of submersible sewage electric pump, which comprises a valve body, a water inlet, a valve cover, a water outlet and a valve clack, a valve clack is arranged at the center position inside the valve body, a sealing ring is fixed at the center position of the bottom end of the valve clack, and a bearing frame is arranged in the valve body above the valve clack, the two outer side walls of the bearing frame are fixedly connected with the inner wall of the valve body through supporting rods, the top end of the valve body is provided with a valve cover, two inner side walls at the top of the valve body are both fixed with a supporting seat, and the inside of the supporting seat is provided with a supporting rod, the top end of the supporting rod extends to the outside of the supporting seat and is fixedly connected with the bottom end of the valve cover, the outer wall of one side of the valve body is provided with a water inlet, one end of the water inlet extends into the valve body, the interior of the valve body of one side of the water inlet is provided with a filtering structure, and the outer wall of the valve body, which is far away from one side of the water inlet, is provided with a water outlet, and one end of the water outlet extends to the inside of the valve body.

Preferably, filtration, interlock frame, knot piece, catching groove and bearing strip are equipped with in proper order in filtration's inside, the valve body internally mounted of water inlet one side has the interlock frame, and all is fixed with the bearing strip on the two inside walls of valve body that the water inlet one side was kept away from to the interlock frame to the filter screen is installed to the inboard of interlock frame.

Preferably, the outer wall of the bearing strip, which is close to one side of the linkage frame, is provided with a buckling groove, a buckling block is arranged inside the buckling groove, and one end of the buckling block extends to the outside of the buckling groove and is fixedly connected with the outer wall of the linkage frame.

Preferably, a buffer spring is fixed at the center of the top end of the valve flap, the top end of the buffer spring is fixedly connected with the top of the bearing frame, linkage plates are fixed at the top ends of the valve flaps on the two sides of the buffer spring, and the top ends of the linkage plates extend into the bearing frame.

Preferably, a locking nut is fixed on the outer wall of one side of the supporting seat, fastening bolts are arranged on two sides of the top end of the valve cover, and the bottom ends of the fastening bolts penetrate through the valve cover and are in threaded connection with the locking nut.

Preferably, all be fixed with spacing frame on bearing the two inside walls of frame, and the bottom of spacing frame inside all is equipped with the stopper, the one end of stopper extend to the outside of spacing frame and with the outer wall fixed connection of interlock board.

Compared with the prior art, the beneficial effects of the utility model are that: the flameproof submersible sewage electric pump check valve not only improves the purity of a water source when the check valve is used, reduces the phenomenon that a valve clack is damaged when the check valve is used, but also improves the convenience when the check valve is used;

(1) the filter screen, the linkage frame, the buckling block, the buckling groove and the bearing strip are arranged, the buckling block is buckled into the buckling groove, the linkage frame is arranged on the outer wall of the bearing strip, the filter screen is arranged in the valve body to filter a water source, and therefore the purity of the water source is improved when the check valve is used;

(2) through the arrangement of the linkage plate, the limiting frame, the limiting block and the buffer spring, under the elastic action of the buffer spring, when the valve clack is subjected to impact pressure, the linkage plate can drive the valve clack to move upwards, and meanwhile, the limiting block can move upwards in the limiting frame to limit the movement amplitude of the valve clack so as to avoid the phenomenon that the valve clack collides with the bearing frame, so that the phenomenon that the valve clack is damaged when the check valve is used is reduced;

(3) through being provided with lock nut, tightly decide bolt, bracing piece and supporting seat, through rotatory tight bolt of deciding, make its inside by lock nut screw out, pull up the valve gap this moment, can detach the bracing piece in the inside of supporting seat to carry out quick dismantlement processing to the valve gap, thereby improved the convenience when check valve uses.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic structural view of the utility model at the position B in fig. 1;

fig. 4 is a schematic view of the cross-sectional enlarged structure of the filtering structure of the present invention.

In the figure: 1. a valve body; 2. a water inlet; 3. a filter structure; 301. a filter screen; 302. a linkage frame; 303. buckling blocks; 304. buckling grooves; 305. a carrier strip; 4. a valve cover; 5. a water outlet; 6. a valve flap; 7. a seal ring; 8. a locking nut; 9. tightening the bolt; 10. a support bar; 11. a supporting seat; 12. a linkage plate; 13. a limiting frame; 14. a carrier; 15. a buffer spring; 16. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a flame-proof type submersible sewage electric pump check valve comprises a valve body 1, a water inlet 2, a valve cover 4, a water outlet 5 and a valve clack 6, wherein the valve clack 6 is arranged at the central position inside the valve body 1, a sealing ring 7 is fixed at the central position of the bottom end of the valve clack 6, a buffer spring 15 is fixed at the central position of the top end of the valve clack 6, the top end of the buffer spring 15 is fixedly connected with the top of a bearing frame 14, linkage plates 12 are fixed at the top ends of the valve clack 6 at two sides of the buffer spring 15, the top end of each linkage plate 12 extends into the bearing frame 14, limiting frames 13 are fixed on two inner side walls of the bearing frame 14, limiting blocks 16 are arranged at the bottom ends inside the limiting frames 13, one ends of the limiting blocks 16 extend to the outside of the limiting frames 13 and are fixedly connected with the outer;

a bearing frame 14 is arranged inside the valve body 1 above the valve clack 6, two outer side walls of the bearing frame 14 are fixedly connected with the inner wall of the valve body 1 through support rods, a valve cover 4 is installed at the top end of the valve body 1, two inner side walls of the top of the valve body 1 are both fixed with a support seat 11, a locking nut 8 is fixed on the outer wall of one side of the support seat 11, fastening bolts 9 are arranged on two sides of the top end of the valve cover 4, and the bottom ends of the fastening bolts 9 penetrate through the valve cover 4 and are in threaded connection with the locking nut 8, so that the valve cover 4 can be quickly;

a supporting rod 10 is arranged inside the supporting seat 11, the top end of the supporting rod 10 extends to the outside of the supporting seat 11 and is fixedly connected with the bottom end of the valve cover 4, a water inlet 2 is arranged on the outer wall of one side of the valve body 1, one end of the water inlet 2 extends to the inside of the valve body 1, and the interior of the valve body 1 at one side of the water inlet 2 is provided with a filtering structure 3, the interior of the filtering structure 3 is sequentially provided with a filtering screen 301, a linkage frame 302, a buckling block 303, a buckling groove 304 and a bearing strip 305, the interior of the valve body 1 at one side of the water inlet 2 is provided with the linkage frame 302, and the bearing strips 305 are fixed on the two inner side walls of the valve body 1 on the side of the linkage frame 302 far away from the water inlet 2, a filter screen 301 is arranged on the inner side of the linkage frame 302, a catching groove 304 is arranged on the outer wall of the bearing strip 305 close to one side of the linkage frame 302, a buckle block 303 is arranged inside the buckle slot 304, and one end of the buckle block 303 extends to the outside of the buckle slot 304 and is fixedly connected with the outer wall of the linkage frame 302;

the buckling block 303 is buckled into the buckling groove 304, so that the linkage frame 302 is arranged on the outer wall of the bearing strip 305, the filter screen 301 is arranged inside the valve body 1 to filter a water source, and the purity of the water source is improved when the check valve is used;

and the outer wall of the valve body 1, which is far away from the water inlet 2, is provided with a water outlet 5, and one end of the water outlet 5 extends to the inside of the valve body 1.

The working principle is as follows: when the check valve is used, firstly, a water source is injected into the valve body 1 from the water inlet 2, the valve flap 6 drives the sealing ring 7 to move upwards due to the impact force of the water source, so that the valve body 1 is in an open-close state, the water source is discharged from the water outlet 5, so as to carry the water source, the linkage frame 302 is arranged on the outer wall of the bearing strip 305 by buckling the buckling block 303 into the buckling groove 304, so that the filter screen 301 is arranged in the valve body 1 to filter the water source, the purity of the water source is improved when the check valve is used, then, through the elastic action of the buffer spring 15, when the valve flap 6 is subjected to the impact force, the linkage plate 12 drives the valve flap 6 to move upwards, meanwhile, the limit block 16 moves upwards in the limit frame 13 to limit the moving amplitude of the valve flap 6, so as to avoid the phenomenon that the valve flap 6 collides with the bearing frame 14, and reduce the phenomenon that the valve flap 6 is damaged when, at last, the fastening bolt 9 is rotated to be screwed out from the inside of the locking nut 8, the valve cover 4 is pulled up at the moment, the supporting rod 10 can be detached from the inside of the supporting seat 11, so that the valve cover 4 can be rapidly detached, the use convenience of the check valve is improved, and the use of the check valve is completed.

Claims (6)

1. The utility model provides a flame-proof type dive blowdown charge pump check valve, includes valve body (1), water inlet (2), valve gap (4), delivery port (5) and valve clack (6), its characterized in that: the valve comprises a valve body (1), a valve clack (6) is arranged at the center of the interior of the valve body (1), a sealing ring (7) is fixed at the center of the bottom end of the valve clack (6), a bearing frame (14) is arranged inside the valve body (1) above the valve clack (6), the two outer side walls of the bearing frame (14) are fixedly connected with the inner wall of the valve body (1) through supporting rods, a valve cover (4) is installed at the top end of the valve body (1), supporting seats (11) are fixed on the two inner side walls of the top of the valve body (1), a supporting rod (10) is arranged inside the supporting seats (11), the top end of the supporting rod (10) extends to the exterior of the supporting seats (11) and is fixedly connected with the bottom end of the valve cover (4), a water inlet (2) is arranged on the outer wall of one side of the valve body (1), one end of the water inlet (2) extends, and the outer wall of one side of the valve body (1) far away from the water inlet (2) is provided with a water outlet (5), and one end of the water outlet (5) extends to the inside of the valve body (1).

2. The flame-proof type check valve of submersible sewage electric pump according to claim 1, characterized in that: the inside of filtration (3) is equipped with filter screen (301), interlock frame (302), detains piece (303), catching groove (304) and bearing strip (305) in proper order, valve body (1) internally mounted of water inlet (2) one side has interlock frame (302), and links and all is fixed with bearing strip (305) on two inside walls of valve body (1) of keeping away from water inlet (2) one side in frame (302) to filter screen (301) are installed to the inboard of linking frame (302).

3. The check valve of the explosion-proof submersible sewage electric pump according to claim 2, characterized in that: the outer wall of the carrying strip (305) close to one side of the linkage frame (302) is provided with a buckling groove (304), a buckling block (303) is arranged inside the buckling groove (304), and one end of the buckling block (303) extends to the outside of the buckling groove (304) and is fixedly connected with the outer wall of the linkage frame (302).

4. The flame-proof type check valve of submersible sewage electric pump according to claim 1, characterized in that: the center position department on valve clack (6) top is fixed with buffer spring (15), and the top of buffer spring (15) and the top fixed connection who bears frame (14), and valve clack (6) top of buffer spring (15) both sides all is fixed with interlock board (12), and the top of interlock board (12) extends to the inside that bears frame (14).

5. The flame-proof type check valve of submersible sewage electric pump according to claim 1, characterized in that: the outer wall of one side of the supporting seat (11) is fixed with a locking nut (8), two sides of the top end of the valve cover (4) are provided with a fastening bolt (9), and the bottom end of the fastening bolt (9) penetrates through the valve cover (4) and is in threaded connection with the locking nut (8).

6. The flame-proof type submersible sewage electric pump check valve according to claim 4, characterized in that: all be fixed with spacing frame (13) on the two inside walls of bearing frame (14), and the bottom of spacing frame (13) inside all is equipped with stopper (16), and the one end of stopper (16) extends to the outside of spacing frame (13) and with the outer wall fixed connection of interlock board (12).

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