CN214248424U

CN214248424U - Upper membrane cover with anti-seize thread

Info

Publication number: CN214248424U
Application number: CN202120056108.8U
Authority: CN
Inventors: 刘新春
Original assignee: Chengdu Zhongan Automatic Control Equipment Co ltd
Current assignee: Chengdu Zhongan Automatic Control Equipment Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-09-21
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses an upper membrane lid with prevent stinging dead screw thread, including membrane lid body and connecting plate, the through-hole has been seted up at the middle part of membrane lid body, the inside of through-hole is provided with upper cover screw thread bottom hole, and the left and right sides of upper cover screw thread bottom hole has seted up the slot, the connecting plate is located the lower extreme of membrane lid body, and the lower extreme of connecting plate is connected with the bracing piece, the left and right sides of connecting plate is provided with the installation piece, and the inside of installation piece has seted up the mounting hole, first fixed cover is installed on the upper end right side of membrane lid body, and the inside of first fixed cover is provided with first spring. This last membrane lid with prevent biting up screw thread compares with current ordinary upper cover, through the setting of upper cover screw thread bottom hole and slot, can control the pressure regulating scope of relief pressure valve with the screw thread of upper cover screw thread bottom hole both sides, makes the regulation more stable, can discharge the piece that produces through the slot, prevents because of adjusting bolt is the same with last membrane lid material matter, and the screw thread that causes bites up.

Description

Upper membrane cover with anti-seize thread

Technical Field

The utility model relates to an go up membrane lid technical field, specifically be an go up membrane lid with prevent biting up dead screw thread.

Background

The pressure reducing valve of natural gas adjusts the compression amount of the spring through the threads on the upper membrane cover, and then the range of the pressure reducing valve can be adjusted, so that the upper membrane cover has an important function, but the phenomenon of blocking can often occur between the threads inside the upper membrane cover and an external screw plug, and the upper membrane cover with the threads prevented from being seized is needed.

Most of existing upper membrane covers do not have stable structures, and the phenomenon that threads are seized is often easy to occur, so that the existing upper membrane covers cannot well meet the use requirements of people, and technical innovation is performed on the basis of the existing upper membrane covers aiming at the situations.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an upper membrane lid with prevent stinging thread to propose general upper membrane lid and do not have stable structure in solving above-mentioned background art, often take place the phenomenon that the thread stung died moreover easily, so current upper membrane lid can not be fine satisfy people's user demand problem.

In order to achieve the above object, the utility model provides a following technical scheme: an upper membrane cover with anti-seize threads comprises a membrane cover body and a connecting plate, wherein a through hole is formed in the middle of the membrane cover body, an upper cover thread bottom hole is formed in the through hole, grooves are formed in the left side and the right side of the upper cover thread bottom hole, the connecting plate is located at the lower end of the membrane cover body, a supporting rod is connected to the lower end of the connecting plate, mounting blocks are arranged on the left side and the right side of the connecting plate, mounting holes are formed in the mounting blocks, a first fixing sleeve is installed on the right side of the upper end of the membrane cover body, a first spring is arranged in the first fixing sleeve, a first movable rod is connected to the upper end of the first fixing sleeve, first sliding plates are arranged on the left side and the right side of the lower end of the first movable rod, a second fixing sleeve is installed on the left side of the upper end of the membrane cover body, a second spring is arranged in the second fixing sleeve, and a second movable rod is connected to the upper end of the second fixing sleeve, the lower extreme left and right sides of second movable rod is provided with the second slide, and the upper end of second movable rod is connected with the crashproof pad, the connecting piece is installed to the upper end left and right sides of membrane lid body.

Preferably, the membrane cover body is connected with the through hole in an embedded mode, and the through hole is welded with the threaded bottom hole of the upper cover.

Preferably, the threaded bottom hole of the upper cover is connected with the groove in an embedded manner, and the threaded bottom hole of the upper cover is bonded with the connecting plate.

Preferably, the first fixed sleeve forms an elastic structure through the first spring and the first movable rod, and the first spring and the first fixed sleeve are welded.

Preferably, the first fixing sleeve forms a sliding structure with the first movable rod through the first sliding plate, and the first fixing sleeve is in threaded connection with the film cover body.

Preferably, the second fixed sleeve forms an elastic structure through the second spring and the second movable rod, and the second fixed sleeve is in threaded connection with the film cover body.

Preferably, the second fixed sleeve forms a sliding structure through the second sliding plate and the second movable rod, and the second movable rod is bonded with the anti-collision pad.

Preferably, the connecting plate is fixedly connected with the membrane cover body, and the connecting plate is fixedly connected with the supporting rod.

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

1. the utility model discloses a setting of membrane lid body, through-hole, upper cover screw thread bottom hole and slot, through-hole and upper cover screw thread bottom hole, can use the screw thread of upper cover screw thread bottom hole both sides to control the pressure regulating range of relief pressure valve, make the regulation more stable, can discharge the piece that produces through the slot, prevent because adjusting bolt and upper membrane lid material are the same, and the screw thread that causes is stung;

2. the utility model discloses a first fixed cover, first spring, first movable rod, second fixed cover, second spring, second movable rod and crashproof pad's setting, the elastic construction that the first fixed cover constitutes through first spring and first movable rod and the elastic construction that the second fixed cover constitutes through second spring and second movable rod among the device can make it have a function of buffering when receiving the striking, and can alleviate the striking effect through crashproof pad moreover, and then can protect the membrane lid body;

3. the utility model discloses a setting of membrane lid body, connecting plate, bracing piece, installation piece and mounting hole through being connected between bracing piece and the connecting plate, can make the connecting plate have a stable bearing structure, and then can make the holistic structure of device strengthen, through installation piece and mounting hole, can make support pole and membrane lid body be connected, and then strengthen stability.

Drawings

FIG. 1 is a schematic front view of the present invention;

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

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at B in FIG. 1 according to the present invention

In the figure: 1. a membrane cover body; 2. a through hole; 3. the thread bottom hole of the upper cover; 4. a connecting member; 5. a trench; 6. a connecting plate; 7. a support bar; 8. mounting blocks; 9. mounting holes; 10. a first fixing sleeve; 11. an anti-collision pad; 12. a first spring; 13. a first movable bar; 14. a first slide plate; 15. a second fixing sleeve; 16. a second spring; 17. a second movable bar; 18. a second slide plate.

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: an upper membrane cover with anti-seize threads comprises a membrane cover body 1 and a connecting plate 6, wherein a through hole 2 is formed in the middle of the membrane cover body 1, an upper cover thread bottom hole 3 is formed in the through hole 2, the membrane cover body 1 is connected with the through hole 2 in an embedding manner, the through hole 2 is welded with the upper cover thread bottom hole 3, grooves 5 are formed in the left side and the right side of the upper cover thread bottom hole 3, the connecting plate 6 is located at the lower end of the membrane cover body 1, the upper cover thread bottom hole 3 is connected with the grooves 5 in an embedding manner, the pressure regulating range of a pressure reducing valve can be controlled by threads on the two sides of the upper cover thread bottom hole 3, so that the regulation is more stable, generated scraps can be discharged through the grooves 5, and thread seizing caused by the fact that a regulating bolt is the same as the material of the upper membrane cover is prevented;

the upper cover thread bottom hole 3 is bonded with the connecting plate 6, the lower end of the connecting plate 6 is connected with the supporting rod 7, the connecting plate 6 is fixedly connected with the film cover body 1, the connecting plate 6 is fixedly connected with the supporting rod 7, the mounting blocks 8 are arranged on the left side and the right side of the connecting plate 6, the mounting holes 9 are formed in the mounting blocks 8, the connecting plate 6 can be enabled to have a stable supporting structure, the integral structure of the device can be enhanced, and the supporting rod 7 can be connected with the film cover body 1 through the mounting blocks 8 and the mounting holes 9, so that the stability is enhanced;

a first fixing sleeve 10 is installed on the right side of the upper end of the membrane cover body 1, a first spring 12 is arranged inside the first fixing sleeve 10, a first movable rod 13 is connected to the upper end of the first fixing sleeve 10, the first fixing sleeve 10 forms an elastic structure with the first movable rod 13 through the first spring 12, the first spring 12 and the first fixing sleeve 10 are welded, first sliding plates 14 are arranged on the left and right sides of the lower end of the first movable rod 13, the first fixing sleeve 10 forms a sliding structure with the first movable rod 13 through the first sliding plates 14, the first fixing sleeve 10 is in threaded connection with the membrane cover body 1, a second fixing sleeve 15 is installed on the left side of the upper end of the membrane cover body 1, a second spring 16 is arranged inside the second fixing sleeve 15, a second movable rod 17 is connected to the upper end of the second fixing sleeve 15, and the elastic structure is formed between the second fixing sleeve 15 and the second movable rod 17 through the second spring 16, and for threaded connection between the fixed cover 15 of second and the membrane lid body 1, the lower extreme left and right sides of second movable rod 17 is provided with second slide 18, the fixed cover 15 of second constitutes sliding construction through between second slide 18 and the second movable rod 17, and be the bonding between second movable rod 17 and the crash pad 11, and the upper end of second movable rod 17 is connected with crash pad 11, connecting piece 4 is installed to the upper end left and right sides of membrane lid body 1, can be when receiving the striking, make it have a function of buffering, and can alleviate the striking effect through crash pad 11, and then can protect membrane lid body 1.

The working principle is as follows: when the upper membrane cover with the anti-seize thread is used, firstly, the connecting plate 6 can be connected with the membrane cover body 1 through the mounting hole 9 in the mounting block 8, the lower end of the connecting plate 6 is provided with the support rod 7, so that the connection between the devices is more stable, and the natural gas pressure reducing valve adjusts the compression amount of the spring through the thread on the upper membrane cover, so that the pressure reducing valve can be controlled, so that the plug screw can be screwed with the thread in the threaded bottom hole 3 of the upper cover through the through hole 2, and the plug screw and the upper membrane cover mostly use die casting pieces, so that a large amount of scraps can be generated due to the same or similar materials in the screwing-in process of the plug screw, the plug screw can be clamped seriously, and the grooves 5 are arranged on the two sides of the threaded bottom hole 3 of the upper cover, the scraps can be discharged through the grooves 5, and simultaneously when the plug screw is contacted with the through hole 2, can prevent maloperation rather than the contact through crashproof pad 11, and then can slow down the striking, can play certain limiting displacement to the plug screw in addition, through the sliding construction between first fixed cover 10 and the first slide 14, can make first movable rod 13 go up and down, and then can carry on spacingly, facilitate the use to the plug screw of different length.

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 an go up membrane lid with prevent thread that seizes, includes membrane lid body (1) and connecting plate (6), its characterized in that: the improved film cover is characterized in that a through hole (2) is formed in the middle of the film cover body (1), an upper cover thread bottom hole (3) is formed in the through hole (2), grooves (5) are formed in the left side and the right side of the upper cover thread bottom hole (3), the connecting plate (6) is located at the lower end of the film cover body (1), the lower end of the connecting plate (6) is connected with a supporting rod (7), mounting blocks (8) are arranged on the left side and the right side of the connecting plate (6), mounting holes (9) are formed in the mounting blocks (8), a first fixing sleeve (10) is installed on the right side of the upper end of the film cover body (1), a first spring (12) is arranged in the first fixing sleeve (10), a first movable rod (13) is connected to the upper end of the first fixing sleeve (10), a first sliding plate (14) is arranged on the left side and the right side of the lower end of the first movable rod (13), a second fixing sleeve (15) is installed on the left side of the upper end of the film cover body (1), the inside of the fixed cover of second (15) is provided with second spring (16), and the upper end of the fixed cover of second (15) is connected with second movable rod (17), the lower extreme left and right sides of second movable rod (17) is provided with second slide (18), and the upper end of second movable rod (17) is connected with crash pad (11), connecting piece (4) are installed to the upper end left and right sides of membrane lid body (1).

2. The membrane cover having an anti-seize thread as claimed in claim 1, wherein: the membrane cover body (1) is connected with the through hole (2) in an embedded mode, and the through hole (2) is welded with the upper cover thread bottom hole (3).

3. The membrane cover having an anti-seize thread as claimed in claim 1, wherein: the upper cover thread bottom hole (3) is connected with the groove (5) in an embedded mode, and the upper cover thread bottom hole (3) is bonded with the connecting plate (6).

4. The membrane cover having an anti-seize thread as claimed in claim 1, wherein: the first fixing sleeve (10) and the first movable rod (13) form an elastic structure through the first spring (12), and the first spring (12) and the first fixing sleeve (10) are welded.

5. The membrane cover having an anti-seize thread as claimed in claim 1, wherein: the first fixing sleeve (10) forms a sliding structure with the first movable rod (13) through the first sliding plate (14), and the first fixing sleeve (10) is in threaded connection with the membrane cover body (1).

6. The membrane cover having an anti-seize thread as claimed in claim 1, wherein: the second fixing sleeve (15) forms an elastic structure with the second movable rod (17) through a second spring (16), and the second fixing sleeve (15) is in threaded connection with the membrane cover body (1).

7. The membrane cover having an anti-seize thread as claimed in claim 1, wherein: the second fixing sleeve (15) forms a sliding structure through the second sliding plate (18) and the second movable rod (17), and the second movable rod (17) is bonded with the anti-collision pad (11).

8. The membrane cover having an anti-seize thread as claimed in claim 1, wherein: the connecting plate (6) is fixedly connected with the membrane cover body (1), and the connecting plate (6) is fixedly connected with the supporting rod (7).