CN213206708U

CN213206708U - Natural gas valve safety arrangement

Info

Publication number: CN213206708U
Application number: CN202021976309.1U
Authority: CN
Inventors: 贾宏胜
Original assignee: BEIJING YANSHAN INDUSTRIAL GAS EQUIPMENT CO LTD
Current assignee: BEIJING YANSHAN INDUSTRIAL GAS EQUIPMENT CO LTD
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-05-14
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a natural gas valve safety protection device, which belongs to the technical field of natural gas transportation devices, and comprises a valve body, wherein pipeline bodies are spliced at both ends of the valve body, a round handle is rotationally connected above the valve body, a protective cover is arranged above the round handle, a gasket is connected at the inner side of the top end of the protective cover, an expansion ring is connected at the outer side of the bottom end of the protective cover, screw rods are connected at four corners below the expansion ring, a fixed plate is arranged below the valve body, and splicing holes are formed in the fixed plate and correspond to the positions of the four screw rods; the utility model discloses change the protective cover among the prior art into the protection casing, change the stationary blade among the prior art into the fixed plate, protection casing and the mutually supporting of fixed plate, more prior art, can wrap up valve body and round handle completely to have better protecting effect to valve body and round handle.

Description

Natural gas valve safety arrangement

Technical Field

The utility model belongs to the technical field of the natural gas transportation device, concretely relates to natural gas valve safety arrangement.

Background

The natural gas valve is a safety matching device of a gas pipeline project, is used for cutting off and connecting gas in an adjusting pipeline, has good control characteristics and closing sealing performance, and usually needs a safety protection device in the using process of the natural gas valve.

Chinese patent application No. 201920726586.8 discloses a natural gas valve safety arrangement, and this natural gas valve safety arrangement protects the round handle through setting up protective cover and packing ring to fix the protective cover through the stationary blade, thereby avoid non-staff to rotate the round handle without permission, influence the normal transmission of natural gas.

The above patent has the following problems: the stationary blade and the protective cover of above-mentioned patent mutually support, and valve body and round handle are lived to unable complete cladding, make valve body and round handle still be in half naked state, and external moisture still can contact valve body and round handle, makes valve body and round handle appear the corrosion, and the protecting effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a natural gas valve safety arrangement has and to wrap valve body and round handle completely to have the characteristics of better protecting effect to valve body and round handle.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a natural gas valve safety arrangement, includes the valve body, the pipeline body has all been pegged graft at the both ends of valve body, the top of valve body is rotated and is connected with the round handle, the top of round handle is provided with the protection casing, the top inboard of protection casing is connected with the packing ring, the bottom outside of protection casing is connected with the extension circle, the below four corners of extension circle all is connected with the screw rod, the below of valve body is provided with the fixed plate, the spliced eye has all been seted up to the position that just corresponds four screw rods on the fixed plate, four the screw rod all passes and corresponds the side spliced eye and extend to the below of fixed plate, four on the screw rod and the equal threaded connection in below that is located the fixed plate has.

Preferably, the inner side of the bottom end of the fixing plate is arranged in a concave structure.

Preferably, the inner side wall of the insertion hole is of a smooth structure.

Preferably, the bottom end of the protective cover and the bottom end of the expansion ring are both connected with sealing gaskets.

Preferably, the sealing gasket is made of rubber.

Preferably, one side of the nut, which is far away from the fixing plate, is connected with a protective cover.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses change the protective cover among the prior art into the protection casing, change the stationary blade among the prior art into the fixed plate, protection casing and the mutually supporting of fixed plate, more prior art, can wrap up valve body and round handle completely to have better protecting effect to valve body and round handle.

2. The utility model discloses the bottom of protection casing is connected with seal gasket, and seal gasket can further improve the leakproofness between protection casing and fixed plate to can avoid external moisture to get into the protection casing from the gap of protection casing and fixed plate, improve the protective effect of protection casing.

3. The utility model discloses the one end of nut is connected with the protective cover, and the protective cover can expose the structure outside to the screw rod and protect, avoids the screw rod to expose the structure emergence corrosion outside, reduces twisting of later stage nut and moves the degree of difficulty.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic sectional view taken along the line A-A of FIG. 2 according to the present invention;

in the figure: 1. a pipe body; 2. a round handle; 3. a valve body; 4. a fixing plate; 5. inserting holes; 6. a protective cover; 7. a gasket; 8. an extension ring; 9. sealing gaskets; 10. a screw; 11. a nut; 12. a protective cover.

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. 1-3, the present invention provides the following technical solutions: the utility model provides a natural gas valve safety arrangement, including valve body 3, pipeline body 1 has all been pegged graft at valve body 3's both ends, valve body 3's top is rotated and is connected with round handle 2, round handle 2's top is provided with protection casing 6, protection casing 6's top inboard is connected with packing ring 7, protection casing 6's the bottom outside is connected with extension circle 8, extension circle 8's below four corners all is connected with screw rod 10, valve body 3's below is provided with fixed plate 4, spliced eye 5 has all been seted up to the position that just corresponds four screw rods 10 on the fixed plate 4, four screw rods 10 all pass and correspond side spliced eye 5 and extend to fixed plate 4's below, the equal threaded connection in below that just is located fixed plate 4 on four screw rods 10 has nut 11.

Specifically, the inner side of the bottom end of the fixed plate 4 is arranged in a concave structure,

through adopting above-mentioned technical scheme, fixed plate 4 can laminate pipeline body 1 and valve body 3's lines, when placing with pipeline body 1 and valve body 3 between seamless.

In particular, the inner side wall of the inserting hole 5 is arranged in a smooth structure,

by adopting the technical scheme, the screw rod 10 can conveniently pass through the plug hole 5.

Specifically, the bottom end of the protective cover 6 and the bottom end of the expanding ring 8 are both connected with a sealing gasket 9,

through adopting above-mentioned technical scheme, seal gasket 9 can further improve the leakproofness between protection casing 6 and fixed plate 4 to can avoid external moisture to get into protection casing 6 from the gap of protection casing 6 with fixed plate 4, improve the protective effect of protection casing 6.

In particular, the sealing gasket 9 is made of rubber material,

through adopting above-mentioned technical scheme, rubber is sealed effectual, and seal gasket 9 that rubber made has good sealed effect equally.

Specifically, one side of the nut 11 far away from the fixing plate 4 is connected with a protective cover 12,

through adopting above-mentioned technical scheme, protective cover 12 can protect the structure that screw rod 10 exposes outside, avoids screw rod 10 to expose the structure emergence corrosion outside, reduces the difficulty of twisting of later stage nut 11 and moves.

The utility model discloses a theory of operation and use flow: the fixed plate 4 is placed below the valve body 3, the protective cover 6 is placed above the round handle 2 and the position is adjusted, the screw rods 10 at the four corners of the expansion ring 8 are aligned with the insertion holes 5 at the four corners of the fixed plate 4, the protective cover 6 is moved downwards, the screw rods 10 at the four corners of the expansion ring 8 are inserted into the corresponding insertion holes 5 of the fixed plate 4, the screw cap 11 is rotated, the distance between the protective cover 6 and the fixed plate 4 is shortened until the screw cap 11 is completely screwed, the rotation of the nut 11 is stopped, no gap is left between the protective cover 6 and the fixing plate 4, the external moisture and dust can not enter the protective cover 6, can protect the valve body 3 and the round handle 2, avoid the valve body 3 and the round handle 2 from being rusted, meanwhile, the upper surface of the round handle 2 is tightly attached to the gasket 7, so that the round handle 2 can be fixed, non-workers are prevented from rotating the round handle 2 without permission, and the normal use of the valve body 3 is guaranteed;

the sealing gasket 9 can further improve the sealing property between the protective cover 6 and the fixed plate 4, so that external moisture can be prevented from entering the protective cover 6 from a gap between the protective cover 6 and the fixed plate 4, and the protective effect of the protective cover 6 is improved;

the protective cover 12 can protect the structure of the screw 10 exposed outside, prevent the structure of the screw 10 exposed outside from rusting, and reduce the screwing difficulty of the screw cap 11 at the later stage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a natural gas valve safety arrangement, includes valve body (3), its characterized in that: the two ends of the valve body (3) are respectively inserted with a pipeline body (1), a round handle (2) is rotatably connected above the valve body (3), a protective cover (6) is arranged above the round handle (2), the inner side of the top end of the protective cover (6) is connected with a gasket (7), the outer side of the bottom end of the protective cover (6) is connected with an extension ring (8), four corners below the extension ring (8) are connected with screw rods (10), the below of valve body (3) is provided with fixed plate (4), spliced eye (5) have all been seted up in the position that just corresponds four screw rods (10) on fixed plate (4), four screw rod (10) all pass and correspond side spliced eye (5) and extend to the below of fixed plate (4), four the equal threaded connection in below that just is located fixed plate (4) on screw rod (10) has nut (11).

2. The natural gas valve safety protection device of claim 1, wherein: the inner side of the bottom end of the fixing plate (4) is in a concave structure.

3. The natural gas valve safety protection device of claim 1, wherein: the inner side wall of the plug hole (5) is of a smooth structure.

4. The natural gas valve safety protection device of claim 1, wherein: the bottom end of the protective cover (6) and the bottom end of the expansion ring (8) are both connected with a sealing gasket (9).

5. The natural gas valve safety protection device of claim 4, wherein: the sealing gasket (9) is made of rubber.

6. The natural gas valve safety protection device of claim 1, wherein: one side of the nut (11) far away from the fixed plate (4) is connected with a protective cover (12).