CN213236249U

CN213236249U - Valve cover of valve for ammonia

Info

Publication number: CN213236249U
Application number: CN202022044713.1U
Authority: CN
Inventors: 张富松
Original assignee: Shandong Gongchen Machinery Technology Co ltd
Current assignee: Shandong Gongchen Machinery Technology Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-18
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a valve gap of valve for ammonia, which comprises a cover body, the right side of lid is equipped with the roof, run through about the roof and be equipped with three threaded rods, three the left end of threaded rod all rotates and is connected with the fixed plate, three threaded rod array distributes on the roof, be equipped with on the roof and be used for carrying out the adjustment mechanism who adjusts three threaded rods. The utility model discloses it is better to the sealed of valve and protection.

Description

Valve cover of valve for ammonia

Technical Field

The utility model relates to a valve gap technical field especially relates to a valve gap of valve for ammonia.

Background

Valves are pipe fittings used to open and close pipes, control flow direction, regulate and control parameters (temperature, pressure and flow) of a transport medium, and are classified into shut-off valves, check valves, regulating valves, and the like according to their functions.

In the process of transporting the valve, the valve cover for sealing the valve is easy to drop due to vibration, and the sealing and protection effects on the valve are poor.

To this end, we propose a valve cover for an ammonia valve that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the valve cover is easy to drop and is relatively poor in sealing in the valve sealing process in the prior art, and providing the valve cover of the valve for ammonia.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a valve gap of valve for ammonia, includes the lid, the right side of lid is equipped with the roof, run through about the roof and be equipped with three threaded rods, three the left end of threaded rod all rotates and is connected with the fixed plate, three threaded rod array distributes on the roof, be equipped with the adjustment mechanism who is used for adjusting three threaded rods on the roof.

Preferably, adjustment mechanism includes three threaded sleeve, and is three threaded sleeve is threaded sleeve respectively and is established outside three threaded rods, and is three connect through the transmission of first drive mechanism between the threaded sleeve, the right-hand member center department of roof rotates and is connected with the dwang, the coaxial fixedly connected with turning handle of right-hand member of dwang, be connected through the transmission of second drive mechanism between dwang and one of them threaded sleeve, be equipped with on the roof and be used for carrying out spacing stop gear to the dwang.

Preferably, the first transmission mechanism comprises three first belt pulleys, the three first belt pulleys are respectively and fixedly connected with the three threaded sleeves in a coaxial mode, and the three first belt pulleys are in transmission connection through first belts.

Preferably, second drive mechanism includes second belt pulley and third belt pulley, the coaxial fixed connection of second belt pulley and dwang, third belt pulley and the coaxial fixed connection of threaded sleeve, be connected through second belt transmission between second belt pulley and the third belt pulley.

Preferably, stop gear is including setting up the pivot on roof right side, the outer fixed cover of pivot is equipped with the ratchet, the outer coaxial fixedly connected with ratchet of dwang, the ratchet meshes with the ratchet mutually, the left end sliding sleeve of pivot is equipped with the rotation sleeve, the rotation sleeve rotates and runs through the roof setting, the right-hand member fixedly connected with of pivot presses the handle, the dwang slides and runs through and presses the handle setting.

Preferably, the rotating sleeve is rotatably connected with the top plate through a spiral spring.

Preferably, a bulge is arranged at the center of the left end of the cover body, a plurality of sealing plugs are arranged at the left end of the cover body, and the plurality of sealing plugs are distributed in an annular array by taking the bulge as the center.

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

through setting up adjustment mechanism, use the lid with valve seal, then rotate three fixed plates to suitable position, then rotate the turning handle, the turning handle drives the dwang and rotates, and the dwang drives three screw sleeve and rotates, and three screw sleeve drives three threaded rods and removes, until three fixed plates all with the valve on flange counterbalance contact and fixed can, when carrying the valve, the lid can not drop, sealed protectiveness is better.

The utility model discloses it is better to the sealed of valve and protection.

Drawings

FIG. 1 is a front perspective view of a valve cover of an ammonia valve according to the present invention;

fig. 2 is a side perspective view of a valve cover of an ammonia valve according to the present invention;

fig. 3 is a schematic side view of the cover body in the valve cover of the valve for ammonia according to the present invention.

In the figure: the sealing device comprises a cover body 1, a top plate 2, a threaded rod 3, a fixing plate 4, an adjusting mechanism 5, a threaded sleeve 6, a first transmission mechanism 7, a rotating rod 8, a rotating handle 9, a second transmission mechanism 10, a limiting mechanism 11, a first belt pulley 12, a second belt pulley 13, a third belt pulley 14, a rotating shaft 15, a ratchet 16, a ratchet wheel 17, a rotating sleeve 18, a pressing handle 19, a protrusion 20 and a sealing plug 21.

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.

Referring to fig. 1-3, a valve gap of valve for ammonia, including lid 1, it should be explained that, left end center department of lid 1 is equipped with arch 20, the left end of lid 1 is equipped with a plurality of sealing plugs 21, a plurality of sealing plugs 21 use arch 20 to be the annular array distribution as the center, the right side of lid 1 is equipped with roof 2, it is equipped with three threaded rods 3 to run through about roof 2, the left end of three threaded rods 3 all rotates and is connected with

fixed plate

4, 3 array distributions of three threaded rods are on roof 2, be equipped with on roof 2 and be used for adjusting three threaded rods 3 adjustment mechanism 5, specifically, adjustment mechanism 5 includes three threaded sleeve 6, three threaded sleeve 6 is the threaded sleeve respectively and is established outside three threaded rods 3.

The utility model discloses in, connect through the transmission of first drive mechanism 7 between the three threaded sleeve 6, it is required to explain, first drive mechanism 7 includes three first belt pulley 12, three first belt pulley 12 respectively with the coaxial fixed connection of three threaded sleeve 6, connect through first belt drive between the three first belt pulley 12, the right-hand member center department of roof 2 rotates and is connected with dwang 8, the coaxial fixedly connected with turning handle 9 of right-hand member of dwang 8, be connected through the transmission of second drive mechanism 10 between dwang 8 and one of them threaded sleeve 6, it is worth mentioning that, second drive mechanism 10 includes second belt pulley 13 and third belt pulley 14.

The utility model discloses in, the coaxial fixed connection of second belt pulley 13 and dwang 8, the coaxial fixed connection of third belt pulley 14 and threaded sleeve 6, be connected through second belt drive between second belt pulley 13 and the third belt pulley 14, be equipped with on roof 2 and be used for carrying out spacing stop gear 11 to dwang 8, it is further, stop gear 11 is including setting up pivot 15 on roof 2 right side, pivot 15 external fixation cover is equipped with ratchet 16, the outer coaxial fixedly connected with ratchet 17 of dwang 8, ratchet 17 meshes with ratchet 16 mutually, the left end sliding sleeve of pivot 15 is equipped with rotating sleeve 18, it is worth mentioning that, rotate through the scroll spring between rotating sleeve 18 and the roof 2 and be connected, rotating sleeve 18 rotates and runs through roof 2 and sets up, the right-hand member fixedly connected with of pivot 15 presses handle 19, dwang 8 slides and runs through and presses handle 19 to set up.

The utility model discloses in, use lid 1 with valve seal, then rotate three fixed plates 4 to suitable positions, then rotate turning handle 9, turning handle 9 drives dwang 8 and rotates, dwang 8 drives second belt pulley 13 and ratchet 17 and rotates, second belt pulley 13 drives third belt pulley 14 and rotates, third belt pulley 14 drives one of them threaded sleeve 6 and rotates, one of them threaded sleeve 6 rotates through other two threaded sleeve 6 of three first belt pulley 12, three threaded sleeve 6 drives three threaded rods 3 and removes, three threaded rods 3 drive three fixed plates 4 and remove, it can accomplish the sealed of valve to all contact with flange counterbalance on the valve and fix until three fixed plates 4.

The utility model discloses when dismantling, press handle 19 through dragging, press handle 19 to drive pivot 15 and remove, pivot 15 drives ratchet 16 and removes, breaks away from ratchet 17 until ratchet 16, and at this moment, reverse rotation turning handle 9 for fixed plate 4 is not fixed to the valve, and at this moment, can dismantle lid 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a valve gap of valve for ammonia, includes lid (1), its characterized in that, the right side of lid (1) is equipped with roof (2), run through about roof (2) and be equipped with three threaded rod (3), three the left end of threaded rod (3) all rotates and is connected with fixed plate (4), three threaded rod (3) array distribution is on roof (2), be equipped with on roof (2) and be used for carrying out adjustment mechanism (5) adjusted three threaded rod (3).

2. The valve cover of the valve for ammonia according to claim 1, wherein the adjusting mechanism (5) comprises three threaded sleeves (6), three threaded sleeves (6) are respectively sleeved outside three threaded rods (3) in a threaded manner, three threaded sleeves (6) are in transmission connection through a first transmission mechanism (7), a rotating rod (8) is rotatably connected to the center of the right end of the top plate (2), a rotating handle (9) is fixedly connected to the right end of the rotating rod (8) in a coaxial manner, the rotating rod (8) is in transmission connection with one of the threaded sleeves (6) through a second transmission mechanism (10), and a limiting mechanism (11) for limiting the rotating rod (8) is arranged on the top plate (2).

3. The valve cover of the ammonia valve according to claim 2, wherein the first transmission mechanism (7) comprises three first belt pulleys (12), the three first belt pulleys (12) are respectively and fixedly connected with the three threaded sleeves (6) coaxially, and the three first belt pulleys (12) are in transmission connection through first belts.

4. The valve cover of the ammonia valve according to claim 2, wherein the second transmission mechanism (10) comprises a second belt pulley (13) and a third belt pulley (14), the second belt pulley (13) is coaxially and fixedly connected with the rotating rod (8), the third belt pulley (14) is coaxially and fixedly connected with the threaded sleeve (6), and the second belt pulley (13) is in transmission connection with the third belt pulley (14) through a second belt.

5. The valve cover of the ammonia valve as claimed in claim 2, wherein the limiting mechanism (11) comprises a rotating shaft (15) arranged on the right side of the top plate (2), the rotating shaft (15) is fixedly sleeved with ratchets (16), the rotating rod (8) is fixedly connected with ratchets (17) coaxially, the ratchets (17) are meshed with the ratchets (16), the sliding sleeve at the left end of the rotating shaft (15) is provided with a rotating sleeve (18), the rotating sleeve (18) is arranged to rotate through the top plate (2), the pressing handle (19) is fixedly connected at the right end of the rotating shaft (15), and the rotating rod (8) is arranged to slide through the pressing handle (19).

6. A valve cover of an ammonia valve according to claim 5, wherein the rotating sleeve (18) is rotatably connected with the top plate (2) through a spiral spring.

7. The valve cover of the ammonia valve according to claim 1, wherein a protrusion (20) is arranged at the center of the left end of the cover body (1), a plurality of sealing plugs (21) are arranged at the left end of the cover body (1), and the plurality of sealing plugs (21) are distributed in an annular array by taking the protrusion (20) as the center.