CN214699237U - Blade fixing seat and fire prevention valve - Google Patents

Abstract

The utility model discloses a blade fixing base belongs to fire safety equipment technical field. The utility model discloses a body, there is a bellying on the body, a plurality of mounting holes have been arranged along length direction equidistance to the bellying, be equipped with the cyclic annular turn-ups that is located around the mounting hole on the bellying. The blade fixing seat can directly support the blade rotating shaft to rotate above the blade fixing seat, can be well matched with the blade rotating shaft, reduces the production cost, and meanwhile, also provides a fire damper.

Description

Blade fixing seat and fire prevention valve

Technical Field

The utility model belongs to the technical field of the fire safety equipment, more specifically, relate to a blade fixing base and fire prevention valve.

Background

CN 111089177A fire prevention valve, which comprises a valve body, the valve body is ventilation channel's partly, the blade pivot of a plurality of parallels of valve body internal fixation, a blade is fixed in every blade pivot, be the ventilation status when these blades are parallel, be encapsulated situation when these blades overlap in order, the one end of the overlap joint fixed seal strip of blade, the other end of seal strip extends and forms the free end to the direction of keeping away from the blade, the seal strip is the metal foil, when two blade overlap joints, the free end of seal strip is to its stiff end direction upset, the free end has the certain distance with the stiff end.

The problem that above-mentioned fire prevention valve exists lies in, above-mentioned blade pivot is with the copper sheathing as rotatory support, and this copper sheathing is fixed on the fixing base of valve body, and the copper sheathing is higher at the processing price, and need keep better cooperation precision with the fixing base, and manufacturing cost is high, and the blade rotates the back many times, and the copper sheathing is not hard up easily, and it is not good to lead to the sealed effect when sealing of fire prevention valve.

Therefore, the technical problems to be solved by the application are as follows: how to make the fixing base can enough support the blade pivot rotatory, manufacturing cost is lower again.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a blade fixing base, this blade fixing base can directly support the blade pivot and rotate above that, can be fine with the cooperation of blade pivot, reduced manufacturing cost, simultaneously, still provide a fire prevention valve.

According to the utility model discloses an aspect provides a blade fixing base, which comprises a body, there is a bellying on the body, a plurality of mounting holes have been arranged along length direction equidistance to the bellying, be equipped with the cyclic annular turn-ups that are located around the mounting hole on the bellying.

In a specific embodiment of the present invention, the extending direction of the annular flange is opposite to the protruding direction of the protruding portion.

In a specific embodiment of the present invention, the protruding portion is provided with an annular cavity arranged coaxially with the mounting hole, and the recessed direction of the cavity is opposite to the extending direction of the annular flange.

In a specific embodiment of the present invention, the mounting hole is located on a central axis of the protruding portion along the length direction.

In a particular embodiment of the invention, the body is obtained by stamping one-piece.

And simultaneously, the utility model also provides a fire prevention valve, which comprises a valve body, the both sides of valve body are equipped with the blade fixing base, be equipped with the blade pivot of a plurality of parallels on the blade fixing base, be fixed with the blade in the blade pivot, the fire prevention valve is for the through state when the blade is parallel, and the fire prevention valve is encapsulated situation when the blade overlap joint in proper order, the blade fixing base as above-mentioned, the blade pivot alternates in the mounting hole and with cyclic annular turn-ups laminating, the blade uses the mounting hole to rotate as the centre of a circle.

The utility model discloses a specific embodiment still includes the connecting rod, the connecting rod with each be equipped with the connecting plate between the blade respectively, the one end and the blade fixed connection of connecting plate, the other end of connecting plate articulates on the connecting rod.

The utility model discloses a specific embodiment, still be equipped with the executor on the valve body, the executor is connected with one of them blade pivot transmission, executor driving blade pivot drives the blade and rotates.

In a particular embodiment of the invention, the blade is provided with a plurality of V-shaped grooves parallel to the axis of rotation of the blade.

The utility model discloses a specific embodiment, be equipped with the spring leaf between blade and the blade fixing base, the spring leaf cover is at the bellying of blade fixing base, the spring leaf is isometric with the blade fixing base, be equipped with a plurality of through-holes on the spring leaf, the through-hole is the same with the mounting hole quantity and the position one-to-one.

The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme:

this blade fixing base is equipped with the mounting hole and still is equipped with cyclic annular turn-ups around the mounting hole, can direct blade pivot cooperation and support its rotation, need not additionally to add the copper sheathing, only needs simple processing, has reduced manufacturing cost to can have good cooperation effect.

Simultaneously, this blade fixing base is applied to the fire prevention valve, and the blade pivot area of fire prevention valve takes the blade rotatory in the mounting hole, because mounting hole and blade fixing base are as an organic whole, can not become flexible, guarantees that the blade pivot can take the blade rotation to target in place, avoids rotating the not good condition appearance that leads to sealing.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a sectional view of a blade holder according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a blade fixing seat according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a fire damper according to embodiment 2 of the present invention;

fig. 4 is a cross-sectional view of a top view of a fire damper according to embodiment 2 of the present invention;

fig. 5 is a right side view of a fire damper according to embodiment 2 of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.

The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.

Example 1

Referring to fig. 1 and 2, in an embodiment of the present invention, a blade fixing base includes a body 1, a protruding portion 2 is provided on the body 1, a plurality of mounting holes 3 are equidistantly arranged along the length direction of the protruding portion 2, and an annular flange 31 located around the mounting holes 3 is provided on the protruding portion 2.

When the blade rotating shaft is installed, the peripheral blade rotating shaft 5 penetrates into the installation hole 3 and is attached to the annular flanging 31, a copper sleeve is not required to be added, the blade rotating shaft can directly rotate on the copper sleeve, a good matching effect is achieved, the machining difficulty is low, and the production cost is reduced.

Preferably, the extension direction of the annular flange 31 is opposite to the protruding direction of the boss 2, so that the processing is convenient on one hand, and the interference with the peripheral blade 6 is avoided on the other hand, and the sealing effect of the fire damper is further influenced.

In an embodiment of the present invention, the protruding portion 2 is provided with an annular cavity 32 arranged coaxially with the mounting hole 3, and the recessed direction of the cavity 32 is opposite to the extending direction of the annular flange 31. The cavity 32 can reinforce the strength around the mounting hole 3, so that the mounting hole 3 is not easy to deform, and the peripheral blade rotating shaft 5 is prevented from being incapable of rotating due to the deformation of the mounting hole 3.

Preferably, the mounting hole 3 is located on the axial line of the protruding portion 2 along the length direction, at this time, the influence of the mounting hole 3 on the strength of the blade fixing seat is small, the blade fixing seat is not easy to deform, and the mounting hole 3 can play a better supporting effect when supporting the peripheral blade rotating shaft 5.

The utility model discloses an embodiment, body 1 is the body 1 that obtains through punching press integrated into one piece, and not only bulk strength is better, and the processing degree of difficulty is also lower, has reduced manufacturing cost.

Example 2

Referring to fig. 1 to 5, a fire damper includes a valve body 4, blade fixing seats are disposed on two sides of the valve body 4, a plurality of parallel blade rotating shafts 5 are disposed on the blade fixing seats, blades 6 are fixed on the blade rotating shafts 5, and when the blades 6 are parallel, the fire damper is in a through state, and at this time, ventilation and air exhaust can be performed normally; when the blades 6 are sequentially overlapped, the fireproof valve is in a sealing state, and the fireproof valve can prevent smoke generated by combustion from passing through and prevent fire from spreading; the blade fixing base be embodiment 1 the blade fixing base, blade pivot 5 alternates in mounting hole 3 and with cyclic annular turn-ups 31 laminating, blade 6 uses mounting hole 3 to rotate as the centre of a circle, because mounting hole 3 and blade fixing base are as an organic whole, can not become flexible, guarantees that blade pivot 5 can take blade 6 rotatory target in place, avoids rotating the not-in-place condition appearance that leads to sealing not good.

The utility model discloses an in the embodiment, still include connecting rod 7, connecting rod 7 and each be equipped with connecting plate 8 between the blade 6 respectively, the one end and the 6 fixed connection of blade of connecting plate 8, the other end of connecting plate 8 articulates on connecting rod 7, and when one of them slice blade 6 rotated, can promote connecting rod 7 and remove, connecting rod 7's removal can drive other blades 6 and rotate, has realized the function of linkage, only needs the drive wherein a slice blade 6 rotate can.

The utility model discloses an embodiment, still be equipped with executor 9 on the valve body 4, executor 9 is connected with the transmission of one of them blade pivot 5, when executor 9 detects the temperature and surpasses the setting value, just drives blade pivot 5 rotation at once, and then drives blade 6 and rotate overlap joint in proper order.

Preferably, blade 6 is equipped with a plurality of V type recess 61 parallel with blade pivot 5, and this V type recess 61 can strengthen blade 6's intensity, and blade 6 is difficult to warp, contact that can be better during the overlap joint, and sealed effect is better.

The utility model discloses an embodiment, be equipped with spring leaf 10 between blade 6 and the blade fixing base, spring leaf 10 cover is at the bellying 2 of blade fixing base, spring leaf 10 is isometric with the blade fixing base, be equipped with a plurality of through-holes on the spring leaf 10, the through-hole is the same with 3 quantity of mounting hole and the position one-to-one, and blade pivot 5 passes spring leaf 10 and installs on the mounting hole 3 of blade fixing base, and the both sides of blade 6 in the blade pivot 5 contact with spring leaf 10, because spring leaf 10 has elasticity, can compress tightly the both sides of blade 6, has good sealed effect.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a blade fixing base, includes the body, its characterized in that, there is a bellying on the body, a plurality of mounting holes have been arranged along length direction equidistance to the bellying, be equipped with the cyclic annular turn-ups that are located around the mounting hole on the bellying.

2. The blade holder as claimed in claim 1, wherein the annular bead extends in a direction opposite to the direction of projection of the projection.

3. The blade holder as claimed in claim 2, wherein the protrusion has an annular cavity coaxially disposed with the mounting hole, and the cavity is recessed in a direction opposite to an extending direction of the annular flange.

4. The blade holder as set forth in claim 1, wherein the mounting hole is formed on a central axis of the boss in the longitudinal direction.

5. The blade holder as claimed in any one of claims 1 to 4, wherein the body is integrally formed by stamping.

6. A fire prevention valve comprises a valve body, wherein blade fixing seats are arranged on two sides of the valve body, a plurality of parallel blade rotating shafts are arranged on the blade fixing seats, blades are fixed on the blade rotating shafts, the fire prevention valve is in a through state when the blades are parallel, and the fire prevention valve is in a sealing state when the blades are sequentially overlapped.

7. The fire damper of claim 6, further comprising a connecting rod, wherein a connecting plate is disposed between the connecting rod and each of the vanes, one end of the connecting plate is fixedly connected to the vane, and the other end of the connecting plate is hinged to the connecting rod.

8. The fire damper of claim 7, wherein the valve body further comprises an actuator, the actuator is in transmission connection with one of the vane shafts, and the actuator drives the vane shaft to rotate the vane.

9. The fire damper of claim 6, wherein the vane is provided with a plurality of V-shaped grooves parallel to the vane axis of rotation.

10. The fire damper of claim 6, wherein a spring plate is disposed between the blade and the blade holder, the spring plate is sleeved on the protrusion of the blade holder, the spring plate has a same length as the blade holder, the spring plate is provided with a plurality of through holes, and the through holes have the same number and are located in one-to-one correspondence with the mounting holes.

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