CN212273243U

CN212273243U - Stop valve with prevent gas leakage function

Info

Publication number: CN212273243U
Application number: CN202020837341.5U
Authority: CN
Inventors: 曾学龙; 杨耿俊
Original assignee: Yancheng Stard Minli Valves Co ltd
Current assignee: Yancheng Stard Minli Valves Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-01-01
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a stop valve with prevent gas leakage function, including pipeline, rubber circle and connecting block, the internally mounted of pipeline has the stop baffle, and the top fixed mounting who stops the baffle has the fixed plate, the connecting plate has been placed to the inboard of fixed plate, connecting block fixed mounting is at the surface position of dead lever, and the inside through mounting of connecting block has first screw rod, the connecting block is placed in the inside of gear, and both ends all run through and install first montant about the gear, first fastening bolt is installed to the end of first montant, the outside of gear is connected with the pawl, and the pawl runs through the inside of installing at the second montant, second fastening bolt is installed to the end of second montant. This stop valve with prevent gas leakage function not only can prevent gas leakage, can fix the stop valve of rotation moreover, can not make it take place the reversal phenomenon.

Description

Stop valve with prevent gas leakage function

Technical Field

The utility model relates to a stop valve technical field specifically is a stop valve with prevent gas leakage function.

Background

The stop valve is one of the most widely used valves, and is characterized by small friction between sealing surfaces, high durability, small opening height, easy manufacture and convenient maintenance.

At present, a commonly used stop valve cannot prevent gas leakage, and cannot fix a rotating stop valve, so that the stop valve can be reversed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stop valve with prevent gas leakage function to solve the stop valve commonly used at present that the above-mentioned background art provided, can not prevent gas leakage, and can not fix the stop valve of rotation, can make its problem that takes place the reversal phenomenon.

In order to achieve the above object, the utility model provides a following technical scheme: a stop valve with gas leakage prevention function comprises a pipeline, a rubber ring and a connecting block, wherein a stop baffle is arranged inside the pipeline, and the top of the stop baffle is fixedly provided with a fixed plate, the inner side of the fixed plate is provided with a connecting plate, and a limiting rod is fixedly arranged above the connecting plate, the rubber ring is arranged at the outer side position of the limiting rod, the limiting rod is arranged inside the fixed rod in a penetrating way, the connecting block is fixedly arranged at the outer surface of the fixed rod, and the inside of the connecting block is provided with a first screw rod in a penetrating way, the connecting block is arranged inside the gear, the left end and the right end of the gear are respectively provided with a first vertical rod in a penetrating way, the tail end of the first vertical rod is provided with a first fastening bolt, the outer side of the gear is connected with a pawl, and the pawl runs through and installs in the inside of second montant, the end of second montant is installed second fastening bolt.

Preferably, a rotating structure is formed between the stop baffle and the pipeline, and the pipeline is tightly attached to the stop baffle.

Preferably, the outer diameter of the limiting rod is equal to the inner diameter of the fixing rod, and the fixing rod is connected with the gear in a clamping manner.

Preferably, a disassembly structure is formed between the fixing rod and the gear, and the fixing rod and the connecting block are of an integrated structure.

Preferably, the vertical sections of the first vertical rod and the second vertical rod are both of a T-shaped structure, and the connecting modes of the gear and the pawl with the first vertical rod and the second vertical rod are all lap joints.

Preferably, the pawls are symmetrically disposed about the gear, and a central axis of the gear coincides with a central axis of the fixing rod.

Compared with the prior art, the beneficial effects of the utility model are that: the stop valve with the function of preventing gas leakage can not only prevent gas leakage, but also fix the rotating stop valve without causing the reverse rotation phenomenon;

1. the stop baffle is a circular plate and is tightly attached to the pipeline, the flow of gas can be conveniently adjusted by the rotation of the stop baffle, and the rubber ring is arranged on the outer side of the limiting rod, so that the rubber ring can be tightly attached to the pipeline, and the gas leakage can be prevented;

2. the connecting block fixedly arranged on the outer surface of the fixed rod is clamped and arranged in the groove-shaped structure above the gear, the connecting block and the gear are fixed through the first screw rod, the rotating fixed rod and the gear can be fixed through the pawl, and the gear cannot be reversely rotated accidentally;

3. the rubber ring is sleeved at the outer side position of the limiting rod, the rubber ring is clamped between the limiting rod and the stop baffle and penetrates through the limiting rod and the fixed rod, the gear is fixed through the first vertical rod and the first fastening bolt, the connecting block and the gear are fixed through the first screw rod, and the rubber ring is conveniently detached.

Drawings

FIG. 1 is a front sectional structure of the present invention;

FIG. 2 is a schematic view of the overlooking and cutting structure of the present invention;

FIG. 3 is a front sectional structural diagram of the fixing rod of the present invention;

fig. 4 is a schematic view of the overlooking structure of the connection between the stop baffle and the fixing plate of the present invention.

In the figure: 1. a pipeline; 2. a stop baffle; 3. a fixing plate; 4. a connecting plate; 5. a limiting rod; 6. a rubber ring; 7. fixing the rod; 8. connecting blocks; 9. a first screw; 10. a gear; 11. a first vertical bar; 12. a first fastening bolt; 13. a pawl; 14. a second vertical bar; 15. and a second fastening bolt.

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 a technical solution: a stop valve with a gas leakage prevention function comprises a pipeline 1, a stop baffle 2, a fixed plate 3, a connecting plate 4, a limiting rod 5, a rubber ring 6, a fixed rod 7, a connecting block 8, a first screw 9, a gear 10, a first vertical rod 11, a first fastening bolt 12, a pawl 13, a second vertical rod 14 and a second fastening bolt 15, wherein the stop baffle 2 is installed inside the pipeline 1, the fixed plate 3 is fixedly installed at the top of the stop baffle 2, a rotating structure is formed between the stop baffle 2 and the pipeline 1, the pipeline 1 is tightly attached to the stop baffle 2, the stop baffle 2 can intercept gas, the connecting plate 4 is placed on the inner side of the fixed plate 3, the limiting rod 5 is fixedly installed above the connecting plate 4, the outer diameter of the limiting rod 5 is equal to the inner diameter of the fixed rod 7, the fixed rod 7 is connected with the gear 10 in a clamping manner, and the limiting rod 5 can penetrate through the inside of the fixed rod, rubber ring 6 is installed in the outside position of gag lever post 5, and gag lever post 5 runs through the inside of installing at dead lever 7, constitute between dead lever 7 and the gear 10 and dismantle the structure, and dead lever 7 and connecting block 8 structure as an organic whole, be convenient for take off dead lever 7 from gear 10, connecting block 8 fixed mounting is in the surface position of dead lever 7, and the inside of connecting block 8 runs through and installs first screw rod 9, connecting block 8 places the inside at gear 10, and gear 10 all runs through and installs first montant 11 in both ends about, first fastening bolt 12 is installed to first montant 11's end, gear 10's the outside is connected with pawl 13, and pawl 13 runs through the inside of installing at second montant 14, second fastening bolt 15 is installed to second montant 14's end.

As shown in fig. 1, the vertical sections of the first vertical rod 11 and the second vertical rod 14 are both in a "T" shape, the connection modes of the gear 10 and the pawl 13 with the first vertical rod 11 and the second vertical rod 14 are both lap joints, and the pawl 13 can fix the rotating gear 10.

As shown in fig. 1, the pawls 13 are symmetrically disposed about the gear 10, and the central axis of the gear 10 coincides with the central axis of the fixing lever 7, and the rotation of the fixing lever 7 drives the gear 10 to rotate.

The working principle is as follows: when the stop valve with the function of preventing gas leakage is used, the stop baffle 2 is clamped into the inside of the pipeline 1 in figure 1, so that the pipeline 1 is tightly attached to the stop baffle 2, the rubber ring 6 is sleeved at the outer side position of the limiting rod 5, the connecting plate 4 is fixedly installed at the bottom of the limiting rod 5, the limiting rod 5 is inserted into the inner side position of the fixing plate 3, the gear 10 penetrates through the inner position of the first vertical rod 11, the gear 10 is fixed through the first fastening bolt 12, then the connecting block 8 fixedly installed on the outer surface of the fixing rod 7 is clamped and installed in the groove-shaped structure above the gear 10, the connecting block 8 and the gear 10 are fixed through the first screw 9, then the pawl 13 penetrates through the inner part of the second vertical rod 14, the pawl 13 is fixed through the second fastening bolt 15, by rotating the fixing rod 7 by hand, the rotation of dead lever 7 makes stop baffle 2 rotate, stop baffle 2 can the gaseous outflow of control pipeline 1, and stop baffle 2 is the plectane, through the rotation of stop baffle 2, be convenient for adjust gaseous flow, through setting up rubber ring 6 in the outside of gag lever post 5, can make rubber ring 6 closely laminate with pipeline 1, can not make gas leakage, the convenience is changed rubber ring 6 simultaneously, this is exactly this whole course of work that has the stop valve that prevents the gas leakage function.

Those not described in detail in this specification are within the skill of the art. The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a stop valve with prevent gas leakage function, includes pipeline (1), rubber circle (6) and connecting block (8), its characterized in that: the pipeline comprises a pipeline (1), a stop baffle (2) is arranged inside the pipeline (1), a fixing plate (3) is fixedly arranged at the top of the stop baffle (2), a connecting plate (4) is placed on the inner side of the fixing plate (3), a limiting rod (5) is fixedly arranged above the connecting plate (4), a rubber ring (6) is arranged on the outer side of the limiting rod (5), the limiting rod (5) penetrates through the fixing rod (7), a connecting block (8) is fixedly arranged on the outer surface of the fixing rod (7), a first screw (9) is arranged inside the connecting block (8), the connecting block (8) is arranged inside a gear (10), first vertical rods (11) are arranged at the left end and the right end of the gear (10) in a penetrating manner, first fastening bolts (12) are arranged at the tail ends of the first vertical rods (11), and a pawl (13) is connected to the outer side of the gear (10), and the pawl (13) is arranged in the second vertical rod (14) in a penetrating way, and the tail end of the second vertical rod (14) is provided with a second fastening bolt (15).

2. A shut valve having a function of preventing gas leakage according to claim 1, wherein: a rotating structure is formed between the stop baffle (2) and the pipeline (1), and the pipeline (1) is tightly attached to the stop baffle (2).

3. A shut valve having a function of preventing gas leakage according to claim 1, wherein: the outer diameter of the limiting rod (5) is equal to the inner diameter of the fixing rod (7), and the fixing rod (7) is connected with the gear (10) in a clamping mode.

4. A shut valve having a function of preventing gas leakage according to claim 1, wherein: a disassembly structure is formed between the fixing rod (7) and the gear (10), and the fixing rod (7) and the connecting block (8) are of an integrated structure.

5. A shut valve having a function of preventing gas leakage according to claim 1, wherein: the vertical sections of the first vertical rod (11) and the second vertical rod (14) are both in a T-shaped structure, and the connecting modes of the gear (10) and the pawl (13) with the first vertical rod (11) and the second vertical rod (14) are all in lap joint.

6. A shut valve having a function of preventing gas leakage according to claim 1, wherein: the pawls (13) are symmetrically arranged relative to the gear (10), and the central axis of the gear (10) coincides with the central axis of the fixing rod (7).