CN219423637U - Improved ground fire pump connector - Google Patents

Abstract

The utility model discloses an improved ground fire water pump connector, wherein a valve rod movable cavity and a mounting cavity surrounding the valve rod movable cavity are arranged at the bottom of a valve cover, a ring cover is arranged at the bottom end of the mounting cavity, a positioning column with a hollow structure is arranged at the top of the mounting cavity, a buffer column is movably arranged in the positioning column, a limiting plate is arranged at the outer side of the buffer column, a buffer spring I is sleeved at the outer side of the buffer column, the top end of the buffer spring I is fixedly arranged at the inner top of the positioning column, the bottom end of the buffer spring I is fixed on the limiting plate, the bottom end of the buffer column downwards penetrates through the ring cover and is locked with a first limiting screw at the end part of the buffer column, a plurality of guide columns are respectively arranged at the two side ends of the bottom of the ring cover, and a second limiting screw is locked at the bottom end of the guide column; the buffer column and the guide column are connected with a buffer part in a sliding way. The utility model effectively improves the buffer capacity of the valve cover to the hydraulic impact force, protects the valve cover and improves the sealing capacity of the joint of the valve rod.

Description

Improved ground fire pump connector

Technical Field

The utility model relates to the field of fire-fighting equipment, in particular to an improved ground fire-fighting water pump connector.

Background

When the existing ground fire pump connector is used, the water pressure sprayed out instantly is strong, large impact can be generated on the valve cover, and the valve cover is easy to deform along with the use of a plurality of times, so that the valve cover is difficult to disassemble and overhaul subsequently. The Chinese patent with the publication number of CN214596968U discloses a novel ground fire water pump connector, the novel ground fire water pump connector structurally comprises a water pump connector body, a valve cover is arranged at the upper end of the water pump connector body, a valve rod is rotationally arranged on the valve cover, a valve clack connected with the valve rod is arranged inside the water pump connector body, a sealing seat nested with the valve clack is arranged inside the water pump connector body, at least one connector is arranged on one side of the water pump connector body, the valve cover comprises a cover body and a buffer structure, a rotating groove corresponding to the valve rod is arranged in the middle of the cover body, water flow enters from the bottom of the water pump connector body after the valve clack is opened, impact force is generated on the valve cover, the buffer block can be contacted with water pressure, the buffer block drives the buffer rod to move upwards, the buffer spring is compressed to deform, the compression of the buffer spring and the inclined surface of the buffer block plays a role of buffering, and the valve cover is effectively prevented from deforming due to the impact force of the water pressure. However, the buffer block only buffers the area of the valve cover part, the valve cover which is not protected by the buffer block can be directly impacted by water pressure in practice, even the impact force is larger, the buffer effect is limited, and when the water flow is excessively strong, the sealing structure which is generally arranged is difficult to achieve the ideal sealing effect, and the joint of the valve rod and the valve cover can be leaked or damaged.

Disclosure of Invention

Accordingly, the present utility model is directed to an improved ground fire pump adaptor, which effectively improves the buffering capability of the valve cover to the hydraulic impact force, protects the valve cover, and improves the sealing capability of the valve stem connection, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the improved ground fire water pump connector comprises a valve body, wherein a valve cover is arranged on the top cover of the valve body, a valve rod movable cavity and a mounting cavity arranged around the valve rod movable cavity are arranged at the bottom of the valve cover, the valve cover is rotationally connected with a valve rod arranged in the valve rod movable cavity, and a valve clack is connected to the bottom of the valve rod; the bottom end of the mounting cavity is provided with a ring cover, a plurality of positioning columns which are arranged in an annular structure are arranged at intervals at the top of the mounting cavity, a hollow structure is arranged inside the positioning columns, buffer columns are movably arranged inside the positioning columns, limiting plates are arranged outside the buffer columns, buffer springs I are sleeved outside the buffer columns, the top ends of the buffer springs I are fixedly arranged at the inner top of the positioning columns, the bottom ends of the buffer springs I are fixed on the limiting plates, the bottom ends of the buffer columns downwards penetrate through the ring cover and are locked with first limiting screws at the end parts of the buffer columns, a plurality of guide columns are respectively arranged at two side ends of the bottom of the ring cover, and second limiting screws are locked at the bottom ends of the guide columns; the buffer column and the guide column are connected with a buffer part in a sliding manner.

Further, the buffer piece is including the location mainboard that is located the middle part and the location sideboard that is located both sides, two the location sideboard with all be connected with the buffer board of arc structure between the location mainboard.

Further, the buffer plate is made of elastic materials.

Further, the inner side wall of the installation cavity is provided with a boss of an annular structure, one end of the annular cover is clamped on the boss, the other end of the annular cover is provided with an annular groove, and the annular cover is locked at the bottom end of the outer side wall of the installation cavity through a fixing screw.

Further, the depressed part of annular structure has been seted up at the valve rod middle part, the depressed part cover is equipped with connecting spring, connecting spring's top is fixed with movable sealing washer, the inner wall in valve rod movable chamber is provided with sealed step, is used for limiting the removal of movable sealing washer.

Further, a buffer sealing ring is arranged at the bottom of the valve clack.

Further, a protruding block is arranged at the bottom of the valve clack, and a mounting groove is formed in the protruding block; the buffer sealing ring comprises a sealing ring main body, and a mounting block matched with the mounting groove is arranged at the top of the sealing ring main body.

Further, sealing edges are arranged at two ends of the sealing ring main body.

Further, a sealing gasket is arranged between the top of the valve body and the valve cover.

Further, a buffer spring II is sleeved on the outer side of the guide post.

Advantageous effects

Compared with the prior art, the utility model at least comprises the following advantages: 1. the concave part of the valve rod, the connecting spring, the movable sealing ring and the sealing step arranged in the movable cavity of the valve rod are matched, so that the impact force of water can be buffered, the impact of water pressure on the joint of the valve rod and the top of the valve cover is reduced, the valve cover and the valve rod are buffered and protected, and meanwhile, the joint of the top of the valve rod and the valve cover is prevented from leaking. 2. The buffer column, the positioning column, the limiting plate, the buffer spring I and the first limiting screw are matched to buffer the impact force of water received by the valve cover to a certain extent; the buffer piece, the guide rod, the buffer spring II and the buffer column are matched to further buffer the impact force of water; the deformation of the buffer plate further buffers the impact force of water, so that the valve cover is comprehensively protected, and the valve cover is prevented from deforming. 3. The cooperation of valve clack and buffering sealing washer carries out effective sealing to the water inlet, and buffering water pressure prevents that water inlet department from leaking to the effect of the impact of valve clack. 4. The valve cover is connected with the valve body through the screw and the gasket, so that the valve is more stable and difficult to leak water.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of a valve cover according to the present utility model.

Fig. 3 is a schematic bottom view of the buffer assembly of the present utility model.

Fig. 4 is a schematic side view of the cushioning member of the present utility model.

The drawing is marked: 1-a valve body; 2-a valve cover; 20-a valve stem active cavity; 200-sealing steps; 21-a mounting cavity; 22-boss; 23-sealing plate; 24-dividing plates; 3-a joint; 4-a valve rod; 40-a recess; 5-valve clack; 50-bump; 51-mounting slots; 6-buffering a sealing ring; 60-sealing edge; 61-a gasket body; 62-mounting blocks; 7-a ring cover; 70-grooves; 71-a guide post; 72-buffer spring II; 8-fixing screws; 9-a buffer; 90-positioning the side plates; 91-positioning a main board; 92-buffer plate; 10-positioning columns; 11-a buffer spring I; 12-a buffer column; 13-limiting plates; 14-a first limit screw; 15-a second limit screw; 16-a movable sealing ring; 17-connecting a spring; 18-locking the screw; 19-washers.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following detailed description is given with reference to the accompanying drawings and the detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, an improved aboveground fire pump adapter includes a valve body 1; the top cover of the valve body 1 is provided with a valve cover 2, a sealing gasket 19 is arranged between the top of the valve body 1 and the valve cover 2, and the valve body 1 is fixedly connected with the valve cover 2 through a locking screw 18. The valve cover 2 is rotationally connected with a valve rod 4, the bottom of the valve rod 4 is connected with a valve clack 5, and the bottom of the valve clack 5 is provided with a buffer sealing ring 6. In this embodiment, a bump 50 is disposed at the bottom of the valve clack 5, and the bump 50 is provided with a mounting groove 51 with a trapezoid structure; the buffer seal ring 6 comprises a seal ring main body 61, and a mounting block 62 adapted to the mounting groove 51 is arranged at the top of the seal ring main body 61. The buffer seal ring 6 is fixed and fastened by the combination of the mounting block 62 and the mounting groove 51, and is not easy to fall off. Sealing edges 60 are arranged at two ends of the sealing ring main body 61. When the valve rod 4 rotates, the valve clack 5 moves downwards to block the water inlet of the valve body 1, the side walls at the two sides of the sealing ring main body 60 are tightly attached to the side walls at the two sides of the water inlet, and the bottom of the sealing edge 60 is tightly attached to the top of the water inlet of the valve body 1, so that the effects of sealing and buffering the impact of water pressure on the valve clack 5 are achieved.

The outer side of the bottom of the valve cover 2 is provided with a sealing plate 23 with an annular structure, and the middle part of the bottom of the valve cover is provided with a separation plate 24 with an annular structure, wherein the height of the separation plate 24 is larger than that of the sealing plate 23. The valve rod movable cavity 20 is formed inside the partition plate 24; a mounting cavity 21 is formed between the partition plate 24 and the sealing plate 23, and the mounting cavity 21 is arranged around the valve rod movable cavity 20. The valve rod 4 is arranged in the valve rod movable cavity 20. The inner side wall of the installation cavity 21, that is, the outer side wall of the partition plate 24 is provided with a boss 22 with an annular structure, the bottom end of the installation cavity 21 is provided with a ring cover 7, one end of the ring cover 7 is clamped on the boss 22, the top of the other end is provided with an annular groove 70, the annular groove 70 is arranged at the bottom end of the sealing plate 23 and is locked on the bottom end of the sealing plate 23 through a fixing screw 8, and the ring cover is used as a cover plate of the installation cavity 21.

The top of the installation cavity 20 is provided with a plurality of positioning columns 10 which are arranged in an annular structure at intervals, the inside of the positioning columns 10 is of a hollow structure, the inside of the positioning columns 10 is movably provided with a buffer column 12, the outer side of the buffer column 12 is provided with a limiting plate 13, the outer side of the buffer column 12 is sleeved with a buffer spring I11, the top end of the buffer spring I11 is fixedly arranged at the inner top of the positioning columns 10, the bottom end of the buffer spring I11 is fixed on the limiting plate 13, the bottom end of the buffer column 12 downwards penetrates through the ring cover 7 and is locked with a first limiting screw 14 at the end part of the buffer column, two side ends of the bottom of the ring cover 7 are respectively provided with a plurality of guide columns 71 at intervals, and the bottom end of the guide column 71 is locked with a second limiting screw 15; the buffer column 12 and the guide column 71 are slidably connected with a buffer member 9, and a buffer spring II 72 is sleeved outside the guide column 71. The buffer 9 is located at the top of the first and second limit screws 14, 15, and the first and second limit screws 14, 15 serve as a limit for the buffer. The buffer member 9 comprises a positioning main board 91 positioned in the middle and positioning side boards 90 positioned at two sides, wherein the positioning side boards 90 are slidably connected to the guide posts 71, and the positioning main board 91 is slidably connected to the buffer posts 12. A buffer plate 92 with an arc structure is connected between the two positioning side plates 90 and the two positioning main plates 91, so that the side view cross section (as shown in fig. 4) of the whole buffer member 9 is in a horn-shaped structure. The buffer plate 92 is made of elastic material. Wherein the buffer member 9 can move up and down along the guide post 71 and the buffer post 12 when receiving pressure, so as to buffer the water pressure and reduce the impact on the valve cover 2.

In order to solve the problem that in the prior art, water leakage or damage is caused at the valve rod 4 due to the fact that the water pressure is too strong, in the technical scheme of the embodiment, a concave part 40 with an annular structure is arranged in the middle of the valve rod 4, a connecting spring 17 is sleeved on the concave part 40, a movable sealing ring 16 is fixed at the top end of the connecting spring 17, the movable sealing ring 16 is arranged on the outer side of the concave part 40 and can slide up and down at the concave part 40, a sealing step 200 is arranged on the inner side wall of the partition plate 24, and when the valve rod 4 moves upwards, the movable sealing ring 16 can be limited to lean against the sealing step 200.

In the specific implementation process, when the valve rod 4 moves upwards, the valve clack 5 is opened, the movable sealing ring 16 abuts against the sealing step 200 along with the upward movement of the valve rod 4, and water flow enters the valve body 1 from the water inlet at the bottom of the valve body 1 to impact the buffer piece 9 and the movable sealing ring 16. The movable sealing ring 16 is tightly attached to the sealing step 200 under the action of water pressure and the connecting spring 17, plays a sealing role, can buffer the impact force of the water pressure, reduces the impact of the water pressure on the joint of the valve rod 4 and the top of the valve cover 2, buffers and protects the valve cover 2 and the valve rod 4, and prevents water leakage at the joint of the top of the valve rod 4 and the valve cover 2, and the sealing ring is arranged at the joint of the valve rod 4 and the top of the valve cover 2; the buffer member 9 moves upwards along the guide post 71 and the buffer post 12 under the action of water pressure, the buffer post 12 moves upwards under the action of the impact force of water, the buffer spring I11 and the buffer spring II 72 generate compression deformation, the impact force of the water inlet moment of the valve body 1 is buffered, and the arc-shaped structure of the buffer plate 92 simultaneously generates buffering on the impact force of water and protects the valve cover 2. When the water pressure increases, the positioning side plates 90 at the two ends of the buffer member 9 cannot move upwards continuously, the positioning main plate 91 and the buffer rod 12 of the buffer member 9 move upwards continuously under the action of the continuous impact force of water, and the buffer plate 92 generates buffer deformation under the action of the water impact force, so that the impact force of the water pressure is buffered further.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The improved ground fire pump connector is characterized by comprising a valve body, wherein a valve cover is arranged on the top cover of the valve body, a valve rod movable cavity and a mounting cavity arranged around the valve rod movable cavity are arranged at the bottom of the valve cover, a valve rod arranged in the valve rod movable cavity is connected with the valve cover in a rotating mode, and a valve clack is connected with the bottom of the valve rod; the bottom end of the mounting cavity is provided with a ring cover, a plurality of positioning columns which are arranged in an annular structure are arranged at intervals at the top of the mounting cavity, a hollow structure is arranged inside the positioning columns, buffer columns are movably arranged inside the positioning columns, limiting plates are arranged outside the buffer columns, buffer springs I are sleeved outside the buffer columns, the top ends of the buffer springs I are fixedly arranged at the inner top of the positioning columns, the bottom ends of the buffer springs I are fixed on the limiting plates, the bottom ends of the buffer columns downwards penetrate through the ring cover and are locked with first limiting screws at the end parts of the buffer columns, a plurality of guide columns are respectively arranged at two side ends of the bottom of the ring cover, and second limiting screws are locked at the bottom ends of the guide columns; the buffer column and the guide column are connected with a buffer part in a sliding manner.

2. The improved aboveground fire pump adapter of claim 1, wherein the bumper includes a central positioning main plate and two side positioning side plates, and wherein the two side positioning plates and the main positioning plate are connected with an arc-shaped bumper plate.

3. The improved aboveground fire pump adapter of claim 2, wherein said buffer plate is made of resilient material.

4. The improved aboveground fire pump adapter according to claim 1, wherein the inner side wall of the installation cavity is provided with a boss of annular structure, one end of the annular cover is clamped on the boss, and the other end of the annular cover is provided with an annular groove and is locked at the bottom end of the outer side wall of the installation cavity through a fixing screw.

5. The improved ground fire pump adapter according to claim 1, wherein a concave part of an annular structure is formed in the middle of the valve rod, a connecting spring is sleeved on the concave part, a movable sealing ring is fixed at the top end of the connecting spring, and a sealing step is arranged on the inner wall of the movable cavity of the valve rod and used for limiting movement of the movable sealing ring.

6. The improved aboveground fire pump adapter of claim 1, wherein the bottom of the valve flap is provided with a buffer seal.

7. The improved aboveground fire pump adapter of claim 6, wherein the bottom of the valve flap is provided with a tab, the tab being provided with a mounting groove; the buffer sealing ring comprises a sealing ring main body, and a mounting block matched with the mounting groove is arranged at the top of the sealing ring main body.

8. The improved aboveground fire pump adapter of claim 7, wherein sealing edges are provided at both ends of said gasket body.

9. An improved aboveground fire pump adapter as described in claim 1, wherein a sealing gasket is disposed between the top of said valve body and said valve cover.

10. The improved aboveground fire pump adapter of claim 1, wherein the outer side of the guide post is sleeved with a second buffer spring.