CN220668481U - Bottom valve with surface waterproof structure for mine equipment - Google Patents

Abstract

The utility model discloses a bottom valve with a surface waterproof structure for mine equipment, and relates to the technical field of bottom valves. This mine equipment bottom valve with surface waterproof construction, through setting up the cover that presses, the sealing washer, the retaining ring, the water inlet, the lockpin I, lockpin II, gland and hole, the cover that presses plays the guard action, the O type sealing washer can play sealed effect, can prevent to leak, the retaining ring can protect O type sealing washer, the water inlet can make water flow into inside the valve body from this place, lockpin I and lockpin II play the effect of fastening, the gland plays the effect of protection, water can flow in from the hole, through setting up packing layer, the disk seat, ejector pin and case, the water that flows in from the hole can pass through the packing layer, the packing layer can increase area of contact, the disk seat plays the effect of supporting, the ejector pin extends to inside the valve body, the ejector pin can be withstood the case, the case can control rivers flow, waterproof effect is good like this, can prevent the phenomenon of water refluence.

Description

Bottom valve with surface waterproof structure for mine equipment

Technical Field

The utility model relates to the technical field of bottom valves, in particular to a bottom valve with a surface waterproof structure for mine equipment.

Background

The bottom valve is also called as a check valve, and is a low-pressure plate valve, which has the function of ensuring that liquid flows unidirectionally in a suction pipeline, ensuring that the liquid cannot return to a water source tank when the pump stops working intermittently for a short time in normal operation of the pump, ensuring that the suction pipe is filled with the liquid so as to be beneficial to starting of the pump, and ensuring that the quality of the domestic brand bottom valve is generally poor, such as poor sealing, water leakage and the like.

For example, patent CN211852845U discloses a bottom valve, including valve body, first coupling assembling, the case, the disk seat, valve bonnet and second coupling assembling, the case is located the valve body, case and valve body are connected through first coupling assembling, the disk seat is located between valve body and the valve bonnet, valve body and valve bonnet are connected through the second coupling assembling, the bottom of valve bonnet is equipped with a plurality of water inlets, the bottom and the disk seat contact of case, the sealing surface that valve seat and case formed in this bottom valve is the circular arc face, after stopping the pump, sewage in the effluent water sump can not be detained on the sealing surface, thereby make the sealing surface seal tightly, this sealing surface still can seal well when the pump is filled again, centrifugal pump's suction volume is sufficient, the emergence of evacuation phenomenon has been reduced.

Although the bottom valve of this patent can reduce the occurrence of the evacuation phenomenon, the backflow preventing effect of the bottom valve is not very good, and the sealing effect is still to be improved, resulting in poor waterproof effect.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the bottom valve with the surface waterproof structure for mining equipment, which solves the problem that the waterproof effect is not very good.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a bottom valve for mining equipment with surface waterproof construction, includes the valve body, the downside of valve body is provided with the pressure cover, the outside of valve body is provided with O type sealing washer, the outside of O type sealing washer is provided with the retaining ring, the water inlet has been seted up to the upside of valve body, the both sides of water inlet are provided with locking pin one, the top of valve body is provided with the gland, the hole has been seted up in the outside of gland, the below of gland is provided with the packing layer, the outside of valve body is provided with locking pin two, the downside of packing layer is provided with the disk seat, the upside intermediate position of gland is provided with the ejector pin, the ejector pin extends to inside the valve body, the downside fixed mounting of ejector pin has the case, the inboard fixed mounting of pressure cover has the filter core, the case laminating is inboard at the filter core.

Preferably, the first locking pin and the second locking pin are both provided with two groups, and the first locking pin and the second locking pin extend into the valve body.

Preferably, the water inlets are uniformly distributed on the surface of the valve body, and the inner diameter of the water inlets is smaller than that of the water outlets.

Preferably, the check rings are vertically symmetrically distributed, and the check rings are flush with the outer surface of the valve body.

Preferably, the outer side of the valve body is provided with evenly distributed water outlets, and the filter element is arranged at the inner side of the water outlets.

Preferably, a cavity is arranged in the valve core, and the spring extends to the top of the cavity.

Advantageous effects

The utility model provides a bottom valve with a surface waterproof structure for mine equipment. Compared with the prior art, the method has the following beneficial effects:

1. according to the bottom valve with the surface waterproof structure for the mine equipment, the pressing sleeve, the sealing ring, the check ring, the water inlet, the first locking pin, the second locking pin, the gland and the hole are arranged, the pressing sleeve plays a role in protecting, the O-shaped sealing ring can play a role in sealing, water leakage can be prevented, the check ring can protect the O-shaped sealing ring, the water inlet can enable water to flow into the valve body from the water inlet, the first locking pin and the second locking pin play a role in fastening, the gland plays a role in protecting, water can flow into the hole, the water flowing into the hole can pass through the packing layer, the packing layer can enlarge the contact area, the valve seat plays a role in supporting, the ejector rod extends into the valve body, the ejector rod can jack the valve core, and the valve core can control water flow;

2. this mine equipment bottom valve with surface waterproof construction, through setting up the filter core, delivery port and cavity, the filter core can filter water, through setting up two sets of lockpins one and lockpin two, lockpin one and lockpin two all extend to the valve body inside, lockpin one and lockpin two all play the effect of fastening, prevent that inner structure is not hard up, through setting up evenly distributed's delivery port, evenly distributed's delivery port can make rivers even, through setting up the filter core inboard at the delivery port, through the filterable water of filter core just can follow delivery port inside stream to the outside, the spring extends to the cavity top, the spring can rebound automatically after being compressed, waterproof effect is good like this, can prevent the phenomenon of water refluence.

Drawings

FIG. 1 is a cross-sectional view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic view of the structure of the filter element of the present utility model;

fig. 4 is a schematic structural diagram of a valve core in the present utility model.

In the figure: 1. a valve body; 2. a gland; 3. a push rod; 4. a filter element; 5. a valve seat; 6. a valve core; 7. a spring; 8. pressing the sleeve; 9. a second locking pin; 10. an O-shaped sealing ring; 11. a retainer ring; 12. a water inlet; 13. a water outlet; 14. a first locking pin; 15. a hole; 16. a filler layer; 17. a cavity.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a bottom valve for mine equipment with surface waterproof construction, including valve body 1, the downside of valve body 1 is provided with pressure cover 8, pressure cover 8 plays the effect of protection, the outside of valve body 1 is provided with O type sealing washer 10, O type sealing washer 10 can play the effect of sealing, can prevent to leak, the outside of O type sealing washer 10 is provided with retaining ring 11, retaining ring 11 can protect O type sealing washer 10, water inlet 12 has been seted up to the upside of valve body 1, water inlet 12 can make water flow into valve body 1 inside from this, the both sides of water inlet 12 are provided with lockpin one 14, lockpin one 14 plays the effect of fastening, the top of valve body 1 is provided with gland 2, gland 2 plays the effect of protection, hole 15 has been seted up in the outside of gland 2, water can flow in from hole 15, the below of gland 2 is provided with packing layer 16, the water that flows in from hole 15 can pass through packing layer 16, packing layer 16 can increase area, the outside of valve body 1 is provided with lockpin two 9, play the effect of fastening, the downside of packing layer 16 is provided with disk seat 5, 5 plays the effect of supporting valve seat 2, the top seat 3 can be extended to the valve core 3 in the middle position that can be extended to the valve body 3.

The downside fixed mounting of ejector pin 3 has case 6, case 6 can control rivers and flow, press the inboard fixed mounting of cover 8 to have filter core 4, filter core 4 can filter water, case 6 laminating is inboard at filter core 4, lockpin one 14 and lockpin two 9 all are provided with two sets of, lockpin one 14 and lockpin two 9 all extend to inside valve body 1, lockpin one 14 and lockpin two 9 all play the effect of fastening, prevent that the inner structure is not hard up, water inlet 12 evenly distributed is at valve body 1 surface, can make rivers even like this, the internal diameter of water inlet 12 is less than the internal diameter of delivery port 13, the retaining ring 11 is upper and lower symmetric distribution, retaining ring 11 can protect O type sealing washer 10, retaining ring 11 flushes with the surface of valve body 1, evenly distributed's delivery port 13 has been seted up in the outside of valve body 1, filter core 4 sets up in delivery port 13 inboard, the filtered water just can follow delivery port 13 internal side to outside through filter core 4, the inside of case 6 is provided with cavity 17, spring 7 extends to cavity 17 top, spring 7 can rebound automatically after being compressed, just so can make water go out through 1 inside, form a closed loop.

When the valve body 1 is in operation, water flows into the valve body 1 from the hole 15 and the water inlet 12 at the upper side of the valve body 1, water flowing into the valve body 1 firstly passes through the filler layer 16 and secondly passes through the filter element 4, the ejector rod 3 pushes the valve core 6 under the action of water flow pressure, the spring 7 is arranged in the valve core 6, so when the ejector rod 3 pushes the valve core 6, the spring 7 is compressed, a gap is formed between the valve core 6 and the valve seat 5, water filtered by the filler layer 16 and the filter element 4 is discharged from the water outlet 13, after the water is discharged, the spring 7 automatically springs back, so that the inside of the valve body 1 is in a sealing state, the outer side of the valve body 1 is fixed by the locking pin I14 and the locking pin II 9, the inner structure of the valve body 1 is free from loosening, the O-shaped sealing ring 10 plays a role in sealing, water can be prevented, the outer side of the O-shaped sealing ring 10 is protected by the retainer ring 11, a double stable function is played, the water-proof effect is prevented from flowing backwards, and the water-proof effect is good.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims (6)

1. The utility model provides a mining equipment bottom valve with surface waterproof construction, includes valve body (1), its characterized in that: the utility model discloses a valve body, including valve body (1), valve body (2), valve body (1)'s downside is provided with pressure cover (8), the outside of valve body (1) is provided with O type sealing washer (10), the outside of O type sealing washer (10) is provided with retaining ring (11), water inlet (12) have been seted up to the upside of valve body (1), the both sides of water inlet (12) are provided with locking pin (14), the top of valve body (1) is provided with gland (2), hole (15) have been seted up in the outside of gland (2), the below of gland (2) is provided with packing layer (16), the downside of packing layer (16) is provided with disk seat (5), the upside intermediate position of gland (2) is provided with ejector pin (3), ejector pin (3) extend to inside valve body (1), the downside fixed mounting of ejector pin (3) has case (6), the inboard fixed mounting of pressure cover (8) has filter core (4), case (6) laminating in filter core (4).

2. A bottom valve for mining equipment having a surface waterproof structure according to claim 1, characterized in that: the anti-loosening pin I (14) and the anti-loosening pin II (9) are respectively provided with two groups, and the anti-loosening pin I (14) and the anti-loosening pin II (9) are respectively extended into the valve body (1).

3. A bottom valve for mining equipment having a surface waterproof structure according to claim 1, characterized in that: the water inlets (12) are uniformly distributed on the surface of the valve body (1), and the inner diameter of the water inlets (12) is smaller than that of the water outlets (13).

4. A bottom valve for mining equipment having a surface waterproof structure according to claim 1, characterized in that: the check rings (11) are vertically symmetrically distributed, and the check rings (11) are flush with the outer surface of the valve body (1).

5. A bottom valve for mining equipment having a surface waterproof structure according to claim 1, characterized in that: the outside of valve body (1) has offered evenly distributed's delivery port (13), filter core (4) set up in delivery port (13) inboard.

6. A bottom valve for mining equipment having a surface waterproof structure according to claim 1, characterized in that: the valve core (6) is internally provided with a cavity (17), and the spring (7) extends to the top of the cavity (17).