CN212360944U - Fire prevention valve with regulatory function - Google Patents

Abstract

The utility model discloses a fire prevention valve with regulatory function, including valve body, control lever and flange interface, the control lever is installed through the screw thread in the valve body upper end, the valve body top is provided with shelters from the device, and shelters from the device suit in the control lever upper end, the valve body left and right sides all is through telescoping device and flange interface connection. The utility model discloses a button shifts out the back in the round hole of seting up from the slot surface, pulls the flange interface again, and the flange interface drives the slot through inserting the ring and removes, improves the convenience of device, and through pulling the fender shell simultaneously, the fender shell rotates through the second pivot, and the fender shell front end is run through the back by gag lever post and inserted bar, and the gag lever post rotates through first pivot, makes the gag lever post restrict the fender shell, improves the security of device.

Description

Fire prevention valve with regulatory function

Technical Field

The utility model relates to a fire prevention valve technical field specifically is a fire prevention valve with regulatory function.

Background

The fire-proof valve is a normally closed valve, which is opened by a control center through 24V direct current or manually opened, automatically closed at 280 ℃, and manually reset, and has the following functions: when the temperature of the flue gas reaches 280 ℃, people are basically evacuated, the flue gas discharge has no practical significance, the fire is brought in the flue gas, the valve is automatically closed, the fire spread is avoided, the conventional fire-proof valve can basically meet daily use requirements, and certain defects still need to be improved.

When installing the fire prevention valve, the flange interface of fire prevention valve may have a certain distance with the pipeline, when installing the valve body, may use the extension device to connect pipeline and valve body, probably makes valve body and pipe connection comparatively loaded down with trivial details, consequently urgently needs a fire prevention valve with regulatory function to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire prevention valve with regulatory function to the pipeline that provides in the solution above-mentioned background art is connected comparatively loaded down with trivial details problem with the valve body.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire prevention valve with regulatory function, includes valve body, control lever and flange interface, and the control lever is installed through the screw thread in the valve body upper end, the valve body top is provided with shelters from the device, and shelters from the device suit in the control lever upper end, the valve body left and right sides all is through telescoping device and flange interface connection.

Preferably, shelter from the device and include fender shell, inserted bar, gag lever post, first pivot, second pivot and fixed slot, second pivot bottom welding is in the valve body upper end, the fender shell has been inserted at the fixed slot middle part, fender shell bottom right side is run through by the second pivot, the positive and reverse side of second pivot is all welded on the fixed slot, fender shell left side is run through by the inserted bar, the inserted bar bottom welding is on the valve body, the gag lever post is inserted on the inserted bar top, the gag lever post middle part is run through by first pivot, the positive and reverse side welding of first pivot is on the inserted bar.

Preferably, the telescoping device includes the slot, inserts ring, spring, button and spring groove, the slot has all been welded to the valve body left and right sides, and is two sets of the slot all has embedded spring groove, the spring inslot portion all is provided with the spring, the one end of spring all welds on spring groove, and the one end of spring all welds on the button, and the button all passes slot one side, the spring groove outside all welds and inserts the ring, and all welds in the ring outside and have the flange interface.

Preferably, the surface of the slot is provided with round holes, and the diameter of the inner wall of the round hole formed in the surface of the slot is equal to the diameter of the surface of the button.

Preferably, waist shape hole has been seted up at the gag lever post middle part, first pivot all sets up to cylindrical, the cylindrical surface diameter that first pivot set up equals with the waist shape hole inner wall diameter that the gag lever post middle part was seted up.

Preferably, the upper end of the inserted bar is provided with a rectangular notch, and the width of the inner wall of the rectangular notch arranged at the upper end of the inserted bar is equal to the surface width of the limiting rod.

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

1. this fire prevention valve with regulatory function is provided with the slot, insert ring and button, shift out the back in the round hole of seting up from the slot surface through the button, pull the flange interface again, the flange interface drives the slot through inserting the ring and removes, the interval that makes flange interface and valve body becomes long, after the interval through flange interface and valve body becomes long, when installing valve body and trachea distance far away again, need not install trachea and valve body through the extension board, be convenient for just install trachea and valve body, improve the convenience of device.

2. This fire prevention valve with regulatory function is provided with fender shell, second pivot, first pivot and gag lever post, and through the pulling fender shell, the fender shell rotates through the second pivot, and the fender shell front end is run through the back by gag lever post and inserted bar, and the gag lever post rotates through first pivot, makes the gag lever post restrict the fender shell, and the fender shell entangles the control lever, avoids the control lever to receive the striking after, and the control lever damages, improves the security of device.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is a schematic side view of the slot and the insert ring of the present invention.

In the figure: 1. a valve body; 2. a control lever; 3. a flange interface; 4. a slot; 5. inserting a ring; 6. a spring; 7. a button; 8. a spring slot; 9. a blocking shell; 10. inserting a rod; 11. a limiting rod; 12. a first rotating shaft; 13. a second rotating shaft; 14. and fixing the grooves.

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 an embodiment:

a fire damper with an adjusting function comprises a valve body 1, a control rod 2 and a flange interface 3, wherein the control rod 2 is installed at the upper end of the valve body 1 through a thread, a shielding device is arranged at the top end of the valve body 1 and sleeved at the upper end of the control rod 2, the shielding device comprises a blocking shell 9, an inserting rod 10, a limiting rod 11, a first rotating shaft 12, a second rotating shaft 13 and a fixing groove 14, the bottom end of the second rotating shaft 13 is welded at the upper end of the valve body 1, the blocking shell 9 is inserted into the middle part of the fixing groove 14, the right side of the bottom end of the blocking shell 9 is penetrated through by the second rotating shaft 13, the front side and the back side of the second rotating shaft 13 are both welded on the fixing groove 14, the left side of the blocking shell 9 is penetrated through by the inserting rod 10, the bottom end of the inserting rod 10 is welded on the valve body 1, the top end of the inserting rod 10 is inserted into the limiting rod, rectangular notch inner wall width of seting up through inserted bar 10 upper end equals with gag lever post 11's surface width, make gag lever post 11 remove in the rectangular notch that 10 tops of inserted bar were seted up, gag lever post 11 middle part is run through by first pivot 12, waist shape hole has been seted up at gag lever post 11 middle part, first pivot 12 all sets up to cylindrical, the cylindrical surface diameter that first pivot 12 set up equals with the waist shape hole inner wall diameter that gag lever post 11 middle part was seted up, when gag lever post 11 removed in the rectangular notch that 10 tops of inserted bar were seted up, waist shape hole that gag lever post 11 middle part was seted up removes on first pivot 12 surface, and the waist shape hole that gag lever post 11 middle part was seted up rotates through first pivot 12, first pivot 12 openly and the welding is on inserted bar 10 with the reverse side.

The 1 left and right sides of valve body all is connected with flange interface 3 through telescoping device, the telescoping device includes slot 4, insert ring 5, spring 6, button 7 and spring groove 8, slot 4 has all been welded to the 1 left and right sides of valve body, two sets of slots 4 all have embedded spring groove 8, spring groove 8 is inside all to be provided with spring 6, spring 6's one end all welds on spring groove 8, it all welds on button 7 to be spring 6's one end, and button 7 all passes slot 4 one side, the round hole has all been seted up on slot 4 surface, the round hole inner wall diameter that slot 4 surface was seted up equals with button 7's surface diameter, insert the round hole that slot 4 surface was seted up through button 7, it fixes to insert ring 5 and slot 4 to make button 7, spring groove 8 outside all welds has insert ring 5, and insert ring 5 outside all welds flange interface 3.

The working principle is as follows: when the distance between the flange connector 3 and the valve body 1 needs to be adjusted, the button 7 is pressed first, the button 7 extrudes the spring 6, the spring 6 is elastically deformed, the button 7 enters the spring groove 8, all the buttons 7 move out of the round holes formed in the surface of the slot 4, so that the button 7 does not fix the insert ring 5 and the slot 4 any more, when the button 7 is no longer fixed to the insert ring 5 and the slot 4, the flange interface 3 is pulled first, the flange interface 3 drives the insert ring 5 to move, the insert ring 5 drives the spring groove 8 to move, the spring groove 8 drives the button 7 to move, when the button 7 moves to another round hole on the surface of the slot 4, the elastic deformation of the spring 6 is recovered, the spring groove 8 pushes the button 7 to move, the button 7 is inserted into the round hole formed on the surface of the slot 4, the inserting ring 5 is fixed, the distance between the flange interface 3 and the valve body 1 is fixed, and the valve body 1 is convenient to ventilate and connect with a far distance.

When the control rod 2 needs to be protected during moving, the limiting rod 11 is pushed first, the waist-shaped hole formed in the surface of the limiting rod 11 moves on the surface of the first rotating shaft 12, the limiting rod 11 moves into the inserting rod 10, when the end of the limiting rod 11 moves into the inserting rod 10, the limiting rod 11 is pulled, the waist-shaped hole formed on the surface of the limiting rod 11 rotates through the first rotating shaft 12, so that the limiting rod 11 is parallel to the inserting rod 10, when the limiting rod 11 is parallel to the inserted rod 10, the blocking shell 9 is pulled, the blocking shell 9 rotates through the second rotating shaft 13, so that the blocking shell 9 sleeves the valve body 1, and the notch at the front end of the blocking shell 9 passes through the limiting rod 11 and the inserted rod 10, after the notch at the front end of the blocking shell 9 passes through the limiting rod 11 and the inserted rod 10, the limiting rod 11 is pulled again, the waist-shaped hole formed in the middle of the limiting rod 11 rotates through the first rotating shaft 12, the limiting rod 11 is parallel to the inserting rod 10, and the limiting rod 11 shields a notch formed in the front end of the retaining shell 9.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a fire prevention valve with regulatory function, includes valve body (1), control lever (2) and flange interface (3), and control lever (2), its characterized in that are installed through screw thread to valve body (1) upper end: the top end of the valve body (1) is provided with a shielding device, the shielding device is sleeved at the upper end of the control rod (2), and the left side and the right side of the valve body (1) are connected with the flange connectors (3) through telescopic devices.

2. A fire damper with an adjustment function according to claim 1, characterized in that: the shielding device comprises a blocking shell (9), an inserting rod (10), a limiting rod (11), a first rotating shaft (12), a second rotating shaft (13) and a fixing groove (14), wherein the bottom end of the second rotating shaft (13) is welded to the upper end of a valve body (1), the blocking shell (9) is inserted into the middle of the fixing groove (14), the right side of the bottom end of the blocking shell (9) is penetrated through by the second rotating shaft (13), the front side and the reverse side of the second rotating shaft (13) are all welded to the fixing groove (14), the left side of the blocking shell (9) is penetrated through by the inserting rod (10), the bottom end of the inserting rod (10) is welded to the valve body (1), the limiting rod (11) is inserted into the top end of the inserting rod (10), the middle part of the limiting rod (11) is penetrated through the first rotating shaft (12), and the first rotating shaft (12) is welded to the inserting.

3. A fire damper with an adjustment function according to claim 1, characterized in that: the telescopic device comprises a slot (4), an inserting ring (5), a spring (6), a button (7) and a spring groove (8), wherein the slot (4) is welded on the left side and the right side of the valve body (1) and is two sets of the slot (4) is embedded with the spring groove (8), the spring (6) is arranged inside the spring groove (8), one end of the spring (6) is welded on the button (7), the button (7) penetrates through one side of the slot (4), the inserting ring (5) is welded on the outer side of the spring groove (8), and a flange interface (3) is welded on the outer side of the inserting ring (5).

4. A fire damper with an adjustment function according to claim 3, characterized in that: round holes are formed in the surfaces of the slots (4), and the diameters of the inner walls of the round holes formed in the surfaces of the slots (4) are equal to the diameter of the surface of the button (7).

5. A fire damper with an adjustment function according to claim 2, characterized in that: waist-shaped holes are formed in the middle of the limiting rod (11), the first rotating shafts (12) are all cylindrical, and the diameter of the cylindrical surface of each first rotating shaft (12) is equal to the diameter of the inner wall of each waist-shaped hole formed in the middle of the limiting rod (11).

6. A fire damper with an adjustment function according to claim 2, characterized in that: the upper end of the inserted bar (10) is provided with a rectangular notch, and the width of the inner wall of the rectangular notch formed in the upper end of the inserted bar (10) is equal to the surface width of the limiting rod (11).

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