CN215387261U

CN215387261U - Combination connection type indoor bolt valve cover

Info

Publication number: CN215387261U
Application number: CN202121788252.7U
Authority: CN
Inventors: 陈屿婷
Original assignee: Fujian Quanzhou Nanan Busheng Automobile Parts Co ltd
Current assignee: Fujian Quanzhou Nanan Busheng Automobile Parts Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-01-04
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to the technical field of indoor bolts, in particular to a combined connection type indoor bolt valve cover, which is characterized in that: including first connecting pipe, apron and the second connecting pipe of making respectively, be equipped with the through-hole on the apron, first connecting pipe wear to locate in the through-hole and with apron fixed connection, second connecting pipe fixed connection in apron lower extreme, the central axis homogeneous phase coincidence of first connecting pipe, apron and second connecting pipe. The valve cover is divided into three parts for processing and manufacturing, the processing technology is simple, the requirement on workers is relatively low, the quality of finished products can be effectively ensured, the final yield of the valve cover is ensured, the production waste is greatly reduced, the production cost of enterprises is saved, in addition, the water seepage or water leakage position on the valve cover can be timely and conveniently repaired, the valve cover does not need to be replaced, the waste is avoided, and the integral cost ratio is higher.

Description

Combination connection type indoor bolt valve cover

Technical Field

The utility model relates to the technical field of indoor bolts, in particular to a combined connection type indoor bolt valve cover.

Background

The indoor fire hydrant is a fixed fire-fighting tool and is mainly used for controlling combustible substances, isolating combustion-supporting substances and eliminating a fire source. The indoor fire hydrant is an interface with a valve for supplying water to a fire scene through an indoor pipe network, is used as an indoor fixed fire-fighting facility of a building and the like, is usually installed in a fire hydrant box and is matched with equipment such as a fire hose, a water gun, a fire hose reel and the like for use, the traditional indoor fire hydrant comprises a valve body, a valve clack, a valve cover, a valve rod and a hand wheel, and the lower part of the valve body is provided with a threaded interface.

Because the existing valve cover is usually cast, and the cast semi-finished product is further processed, however, the cast valve cover may generate some micro cracks due to the defects of casting in the using process, once the indoor fire hydrant is pressed, the problem of water seepage or water leakage is easy to occur on the valve cover, and because the existing valve cover is a cast part, the position of the water seepage or water leakage on the valve cover cannot be repaired and welded, so that after the water seepage or water leakage occurs on the valve cover, the whole valve cover and the sealing part on the valve cover need to be removed and replaced together, which causes great waste and increases the later maintenance cost, in addition, because the casting process is relatively complex, the requirement on workers is high, the cost of the workers is high, and because the casting process has a certain rejection rate, corresponding production waste is caused, increasing the production cost of the enterprise.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a combined connection type indoor bolt valve cover which is simple in integral structure, practical and reliable, is simple in processing technology, relatively low in requirement on workers, capable of effectively ensuring the quality of finished products, guaranteeing the final finished product rate of the valve cover, greatly reducing production waste, saving production cost of enterprises, timely and conveniently performing repair welding on water seepage or water leakage positions on the valve cover, free of replacement of the valve cover, avoiding waste and higher in overall cost ratio by dividing the valve cover into three parts for processing and manufacturing.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides an indoor bolt valve closure of built-up connection formula, is equipped with the through-hole including first connecting pipe, apron and the second connecting pipe of making respectively on the apron, in the through-hole was worn to locate by first connecting pipe and with apron fixed connection, second connecting pipe fixed connection in apron lower extreme, the central axis homogeneous phase coincidence of first connecting pipe, apron and second connecting pipe.

Furthermore, the first connecting pipe and the cover plate are made of iron, and the second connecting pipe is made of iron or steel.

Furthermore, the first connecting pipe and the second connecting pipe are fixed on the cover plate through welding.

Furthermore, a first cavity penetrating through the upper end and the lower end is formed in the first connecting pipe, a threaded hole is formed in the lower portion of the first cavity, and the diameter of the threaded hole is larger than that of the first cavity.

Further, the lower end of the first connecting pipe extends downwards and the lower end surface of the first connecting pipe is lower than the lower end surface of the second connecting pipe.

Furthermore, the outer surface of the first connecting pipe is fixedly provided with a connecting block, the upper end face of the connecting block is lower than the upper end face of the first connecting pipe, the connecting block is hexagonal, the connecting block and the first connecting pipe are integrally formed, and the connecting block is arranged on one side of the upper end of the cover plate.

Furthermore, the upper end surface of the cover plate is inwards sunken and is provided with a connecting groove, the shape of the connecting groove is matched with that of the connecting block, and the lower part of the connecting block is embedded in the connecting groove.

Furthermore, the cover plate is opposite to the lower end face of the connecting groove and protrudes downwards to form a convex block, and the convex block is hexagonal.

Furthermore, the cover plate is in a conical disc shape, the diameter of the second connecting pipe is larger than that of the first connecting pipe, and the diameter of the second connecting pipe is smaller than that of the cover plate.

Furthermore, a second cavity penetrating through the upper end and the lower end is formed in the second connecting pipe, and external threads are formed in the outer surface of the second connecting pipe.

From the above description, it can be known that the combined connection type indoor bolt valve cap provided by the utility model has simple, practical and reliable overall structure, the valve cap is divided into three parts of the first connecting pipe, the cover plate and the second connecting pipe, and the three parts are independently processed and manufactured, the processing and manufacturing processes of the first connecting pipe, the cover plate and the second connecting pipe are relatively simple, the requirement on workers is relatively low, the processing cost is low, the labor cost can be reduced, the finished product quality of the first connecting pipe, the cover plate and the second connecting pipe can be effectively ensured, then the three parts are fixedly connected into a whole, the overall structure is firmer, the yield of the valve cap can be effectively ensured, the production waste is greatly reduced, the production cost of an enterprise is saved, in addition, as the main material of the valve cap is iron, when the water seepage or water leakage occurs to the valve cap, the water seepage or water leakage position on the valve cap can be timely and conveniently repaired, the valve cover can be continuously used without replacing the whole valve cover, so that waste is avoided, the maintenance cost in the later period is greatly reduced, and the whole cost performance of the valve cover is higher.

Drawings

Fig. 1 is a schematic perspective view of a combination connection type indoor plug valve cover according to the present invention.

Fig. 2 is a schematic view of an internal structure of the first connection pipe.

Fig. 3 is a schematic view of the internal structure of the cover plate.

Fig. 4 is a schematic view of an internal structure of the second connection pipe.

In the figure: 1-a first connection pipe; 11-a first cavity; 12-a threaded hole; 13-connecting block; 2-cover plate; 21-a through hole; 22-a connecting trough; 23-a bump; 3-a second connecting pipe; 31-second cavity.

Detailed Description

The utility model is further described below by means of specific embodiments.

As shown in fig. 1 to 4, the combination connection type indoor bolt valve cover according to the present invention includes a first connection pipe 1, a cover plate 2 and a second connection pipe 3, which are respectively manufactured, wherein a through hole 21 is formed on the cover plate 2, the first connection pipe 1 is inserted into the through hole 21 and is fixedly connected to the cover plate 2, the second connection pipe 3 is fixedly connected to a lower end of the cover plate 2, central axes of the first connection pipe 1, the cover plate 2 and the second connection pipe 3 are coincident, preferably, the first connection pipe 1 and the cover plate 2 are made of iron, the second connection pipe 3 is made of iron or steel, specifically, the cover plate 2 is formed by stamping, the first connection pipe 1 is formed by cold heading, the second connection pipe 3 is machined on the basis of a seamless steel pipe or a common iron pipe, such as sawing the seamless steel pipe or the common iron pipe to an appropriate size, the valve cover is divided into the first connecting pipe 1, the cover plate 2 and the second connecting pipe 3, and the three parts are independently processed and manufactured, the processing and manufacturing processes of the first connecting pipe 1, the cover plate 2 and the second connecting pipe 3 are relatively simple, the requirement on workers is relatively low, the processing cost is low, the labor cost can be reduced, the quality of finished products of the first connecting pipe 1, the cover plate 2 and the second connecting pipe 3 can be effectively ensured, then the three parts are fixedly connected into a whole, the whole structure is firmer, the yield of the valve cover can be effectively ensured, the production waste is greatly reduced, the production cost of enterprises is saved, in addition, as the main material of the valve cover is iron, when the water seepage or water leakage occurs on the valve cover, the water seepage or water leakage position on the valve cover can be timely and conveniently repaired and welded, the valve cover can be continuously used without replacing the whole valve cover, so that waste is avoided, the maintenance cost in the later period is greatly reduced, and the whole cost performance of the valve cover is higher.

The first connecting pipe 1 and the second connecting pipe 3 are both fixed to the cover plate 2 by welding, preferably, the welding is full-automatic laser welding, so as to further ensure the overall welding quality of the valve cover, during the specific welding, firstly, the cover plate 2 is clamped and fixed by corresponding fixtures on the basis of the cover plate 2, then, the first connecting pipe 1 is arranged in the through hole 21 of the cover plate 2 in a penetrating manner, and is clamped and fixed by corresponding fixtures, then, the first connecting pipe 1 is fixed to the cover plate 2 by welding, and then, the second connecting pipe 3 is fixed to the corresponding position of the cover plate 2 by corresponding fixtures in a clamping manner, so that the second connecting pipe 3 is fixed to the cover plate 2 by welding.

As shown in fig. 2, specifically, a first cavity 11 penetrating through the upper end and the lower end is arranged in the first connecting pipe 1, a threaded hole 12 is arranged at the lower part of the first cavity 11, and the diameter of the threaded hole 12 is larger than that of the first cavity 11.

Specifically, the lower end of the first connecting pipe 1 extends downward, and the lower end surface of the first connecting pipe 1 is lower than the lower end surface of the second connecting pipe 3.

As shown in fig. 1 and 2, a connecting block 13 is fixedly arranged on the outer surface of the first connecting pipe 1, the upper end surface of the connecting block 13 is lower than the upper end surface of the first connecting pipe 1, the connecting block 13 is hexagonal, the connecting block 13 and the first connecting pipe 1 are integrally formed, and the connecting block 13 is arranged on one side of the upper end of the cover plate 2.

As shown in fig. 3, preferably, the upper end surface of the cover plate 2 is recessed inward and is formed with a connecting groove 22, the shape of the connecting groove 22 is adapted to the shape of the connecting block 13, and the lower portion of the connecting block 13 is embedded in the connecting groove 22, so that the stability of the connection between the first connecting pipe 1 and the cover plate 2 can be further improved, and the overall structure of the valve cover is more stable.

As shown in fig. 3, in addition, the cover plate 2 is protruded downwards from the lower end surface facing the connecting groove 22 and is formed with a convex block 23, and the convex block 23 is hexagonal, so that the strength of the whole structure of the cover plate 2 is further improved.

As shown in fig. 1, specifically, the cover plate 2 has a conical disc shape, the diameter of the second connection pipe 3 is larger than that of the first connection pipe 1, and the diameter of the second connection pipe 3 is smaller than that of the cover plate 2.

As shown in fig. 4, in particular, a second cavity 31 penetrating through the upper end and the lower end is arranged in the second connecting pipe 3, and an external thread is arranged on the outer surface of the second connecting pipe 3.

The above description is only a few specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept should fall within the scope of the present invention.

Claims

1. The utility model provides a combination connection formula indoor bolt valve gap which characterized in that: including first connecting pipe, apron and the second connecting pipe of making respectively, be equipped with the through-hole on the apron, first connecting pipe wear to locate in the through-hole and with apron fixed connection, second connecting pipe fixed connection in the apron lower extreme, first connecting pipe the apron with the central axis homogeneous phase coincidence of second connecting pipe.

2. A combination attachable indoor plug valve cover according to claim 1, wherein: the first connecting pipe and the cover plate are both made of iron, and the second connecting pipe is made of iron or steel.

3. A combination attachable indoor plug valve cover according to claim 1, wherein: the first connecting pipe and the second connecting pipe are fixed on the cover plate through welding.

4. A combination attachable indoor plug valve cover according to claim 1, wherein: the connecting structure is characterized in that a first cavity penetrating through the upper end and the lower end of the first connecting pipe is arranged in the first connecting pipe, a threaded hole is formed in the lower portion of the first cavity, and the diameter of the threaded hole is larger than that of the first cavity.

5. A combination attachable indoor plug valve cover according to claim 1, wherein: the lower end of the first connecting pipe extends downwards and the lower end face of the first connecting pipe is lower than the lower end face of the second connecting pipe.

6. A combination attachable indoor plug valve cover according to claim 1, wherein: the outer surface of the first connecting pipe is fixedly provided with a connecting block, the upper end face of the connecting block is lower than the upper end face of the first connecting pipe, the connecting block is hexagonal, the connecting block and the first connecting pipe are integrally formed and manufactured, and the connecting block is arranged on one side of the upper end of the cover plate.

7. A combination attachable indoor plug valve cover according to claim 6, wherein: the upper end surface of the cover plate is inwards sunken and is provided with a connecting groove, the connecting groove is matched with the connecting block in shape, and the lower part of the connecting block is embedded in the connecting groove.

8. A combination attachable indoor plug valve cover according to claim 7, wherein: the cover plate is opposite to the lower end face of the connecting groove and protrudes downwards to form a convex block, and the convex block is hexagonal.

9. A combination attachable indoor plug valve cover according to claim 1, wherein: the cover plate is in a conical disc shape, the diameter of the second connecting pipe is larger than that of the first connecting pipe, and the diameter of the second connecting pipe is smaller than that of the cover plate.

10. A combination attachable indoor plug valve cover according to claim 1, wherein: and a second cavity penetrating through the upper end and the lower end is formed in the second connecting pipe, and external threads are arranged on the outer surface of the second connecting pipe.