Folding plug-in type fireproof valve and valve body outer frame thereof

Abstract

The utility model discloses a folding plug-in type fire damper and its valve body outer frame, including valve body outer frame, actuating mechanism and rotating vane, the upper surface of valve body outer frame close to one side is fixedly equipped with riveting piece, the upper surface of valve body outer frame close to the other side is fixedly equipped with actuating mechanism, the inside of valve body outer frame is movably equipped with rotating vane, and the valve body outer frame is fixedly equipped with the riveting piece. L-shaped filling pieces are fixedly embedded in the four corners of the valve body outer frame. According to the folding insertion type fireproof valve and the valve body outer frame thereof, the L-shaped filling piece is fixedly installed between the two vertical plates, then the filling strip is embedded below the horizontal plate, after the filling strip is well placed, the insertion rod of the L-shaped filling piece can be inserted into the insertion groove of the filling strip, and the filling strip is inserted into the insertion groove of the filling strip. In this way, the filling strip cannot be moved out from the lower portion of the horizontal plate, at the moment, when the valve body outer frame is grabbed, fingers cannot be scratched due to the fact that a notch exists below the horizontal plate, and the filling strip is detachable and convenient to replace.

Description

Technical Field

[0001] The utility model relates to the field of fire dampers, in particular to a folding plug-in fire damper and a valve body outer frame thereof. Background Art

[0002] Fire dampers are formed by bending metal plates and splicing them together during production. Fire dampers have a good prevention and control effect when a fire occurs.

[0003] However, the current fire dampers have some shortcomings. After the outer frame of the fire damper is produced, there will be bent parts on both sides of its surface. These parts are connected together by flange folding. But even after the flange folding connection, there are still gaps in the bent parts. When grabbing the outer frame of the valve body with your hands, the bent parts are relatively thin, so it is easy to scratch your fingers. Utility Model Content

[0004] The main purpose of the utility model is to provide a foldable plug-in fire damper and a valve body outer frame thereof, which can effectively solve the technical problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A foldable and plug-in fire damper and its valve body outer frame, comprising a valve body outer frame, an actuator and a rotating blade, a rivet is fixedly installed on the upper surface of the valve body outer frame near one side, an actuator is fixedly installed on the upper surface of the valve body outer frame near the other side, a rotating blade is movably installed inside the valve body outer frame, L-shaped filling pieces are fixedly embedded at the four corners of the valve body outer frame, and filling strips are provided at both ends of the L-shaped filling piece.

[0007] Preferably, a connecting piece is fixedly installed on the upper surface of the L-shaped filling piece, a sliding groove is opened on one side surface of the L-shaped filling piece and near both ends, a push-pull block is embedded in the inside of the sliding groove, a rebound groove is opened on the two end surfaces of the L-shaped filling piece, an insertion rod is movably embedded in the inside of the rebound groove, a stop block is fixedly installed on the rear end face of the insertion rod, and a spring is provided on the surface of the insertion rod and inside the rebound groove.

[0008] Preferably, slots are provided on both end surfaces of the filling strip, and the front ends of the insertion rods are embedded in the slots.

[0009] Preferably, the outer frame of the valve body is composed of metal plates that are folded and connected at the ends, the outer surface of the metal plate is bent with vertical plates near both sides, the upper end of the vertical plate is bent with a horizontal plate, the horizontal plate is parallel to the upper surface of the valve body frame, and a reinforcement plate is fixedly installed on the surface of one end of the metal plate.

[0010] Preferably, the length of the reinforcing plate is smaller than the width of the metal plate, the reinforcing plate is clamped between the vertical plates, and the lower end of the rivet passes through the reinforcing plate and is embedded in the metal plate.

[0011] Preferably, the slide groove is connected to the rebound groove, the lower end of the push-pull block passes through the slide groove and is connected to the stop block, the width of the slide groove is smaller than the width of the rebound groove, the two ends of the connecting plate are connected to one end of the horizontal plate, and the filling strip is embedded under the horizontal plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, by arranging the L-shaped filling piece and the filling strip to cooperate with each other, when the valve body outer frame is folded and assembled together by the metal plates, the L-shaped filling piece can be fixedly installed between the two vertical plates, and then the filling strip can be embedded under the horizontal plate. When placing the filling strip, the push-pull block is pulled toward the end away from the filling strip, so that the insertion rod can be recovered into the rebound groove, so that the filling strip can be smoothly embedded under the horizontal plate. When the filling strip is placed, the external force pulling the push-pull block is released. At this time, the push-pull block extends out of the rebound groove under the action of the spring and is embedded in the slot of the filling strip. In this way, the filling strip will not move out from under the horizontal plate. At this time, when grabbing the valve body outer frame, the fingers will not be scratched due to the gap under the horizontal plate, and the filling strip is detachable for easy replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an overall structural diagram of a foldable plug-in fire damper and its valve body outer frame of the utility model;

[0015] Figure 2 The utility model is a foldable plug-in fire damper and a valve body frame thereof Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 This is a structural diagram of a foldable plug-in fire damper and a valve body outer frame of the utility model;

[0017] Figure 4 It is a partial cross-sectional view of a schematic diagram of the connection between an L-shaped filling piece and a filling strip of a foldable plug-in fire damper and an outer frame of the valve body of the utility model.

[0018] In the figure: 1. valve body outer frame; 101. metal plate; 102. vertical plate; 103. horizontal plate; 104. reinforcement plate; 2. rivet; 3. actuator; 4. rotary vane; 5. L-shaped filling piece; 501. connecting piece; 502. slide groove; 503. push-pull block; 504. rebound groove; 505. plug rod; 506. stop block; 507. spring; 6. filling strip; 601. slot. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] Example 1

[0021] like Figure 1-4 A foldable plug-in fire damper and its outer valve body frame are shown, comprising an outer valve body frame 1, an actuator 3 and a rotary blade 4. A rivet 2 is fixedly installed on the upper surface of the outer valve body frame 1 near one side, an actuator 3 is fixedly installed on the upper surface of the outer valve body frame 1 near the other side, a rotary blade 4 is movably installed inside the outer valve body frame 1, L-shaped filling pieces 5 are fixedly embedded at the four corners of the outer valve body frame 1, and filling strips 6 are provided at both ends of the L-shaped filling piece 5;

[0022] A connecting piece 501 is fixedly installed on the upper surface of the L-shaped filling piece 5, a slide groove 502 is opened on one side surface of the L-shaped filling piece 5 and near both ends, a push-pull block 503 is embedded in the slide groove 502, and a rebound groove 504 is opened on the two end surfaces of the L-shaped filling piece 5, and a plug rod 505 is movably embedded in the rebound groove 504, and a stop block 506 is fixedly installed on the rear end surface of the plug rod 505, and a spring 507 is sleeved on the surface of the plug rod 505 and located inside the rebound groove 504, and the stop block 506 can prevent the plug rod 505 from escaping from the rebound groove 504; slots 601 are opened on the two end surfaces of the filling strip 6, and the front end of the plug rod 505 is embedded in the slot 601, and the filling strip 6 can fill and close the space between the horizontal plate 103 and the metal plate 101; the valve body frame 1 is composed of metal plates 101 that are folded and connected at the end, and the outer surface of the metal plate 101 is bent near both sides with vertical plates 102, and the upper ends of the vertical plates 102 A horizontal plate 103 is bent and parallel to the upper surface of the valve body frame 1. A reinforcing plate 104 is fixedly installed on one end surface of the metal plate 101. The cooperation between the reinforcing plate 104 and the rivet 2 can connect the ends of the metal plate 101 together. The length of the reinforcing plate 104 is less than the width of the metal plate 101. The reinforcing plate 104 is clamped between the vertical plates 102. The lower end of the rivet 2 passes through the reinforcing plate 104 and is embedded in the metal plate 101. The connector 2 can fix the reinforcement plate 104 on the metal plate 101; the slide groove 502 is connected to the rebound groove 504, the lower end of the push-pull block 503 passes through the slide groove 502 and is connected to the stop block 506, the width of the slide groove 502 is smaller than the width of the rebound groove 504, the two ends of the connecting piece 501 are connected to one end of the horizontal plate 103, the filling strip 6 is embedded under the horizontal plate 103, and the connecting piece 501 can connect the adjacent ends of the two horizontal plates 103 into one.

[0023] Example 2

[0024] The outer frame 101 of the valve body 102 is used to fold the outer frame 103 of the valve body 104, and then the inner frame 103 of the valve body 104 is used to fold the outer frame 101 of the valve body 104, so that the inner frame 103 of the valve body 104 can be fixedly installed between the two vertical plates 102, and then the filling strip 6 can be embedded under the horizontal plate 103. When placing the filling strip 6, the push-pull block 503 is pulled toward the end away from the filling strip 6, so that the insertion rod 505 can be retracted into the rebound groove 504, so that the filling strip 6 can be smoothly embedded under the horizontal plate 103. After the filling strip 6 is placed, the external force pulling the push-pull block 503 is released. At this time, the push-pull block 503 extends out of the rebound groove 504 under the action of the spring 507 and is embedded in the slot 601 of the filling strip 6, so that the filling strip 6 will not move out from under the horizontal plate 103. At this time, when grabbing the outer frame 1 of the valve body 104, the fingers will not be scratched due to the gap under the horizontal plate 103, and the filling strip 6 is detachable for easy replacement.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A foldable plug-in fire damper and a valve body outer frame thereof, characterized in that: The invention comprises a valve body outer frame (1), an actuator (3) and a rotary vane (4); a rivet (2) is fixedly installed on the upper surface of the valve body outer frame (1) near one side; an actuator (3) is fixedly installed on the upper surface of the valve body outer frame (1) near the other side; a rotary vane (4) is movably installed inside the valve body outer frame (1); L-shaped filling pieces (5) are fixedly embedded at the four corners of the valve body outer frame (1); and filling strips (6) are provided at both ends of the L-shaped filling piece (5).

2. A foldable plug-in fire damper and a valve body outer frame thereof according to claim 1, characterized in that: A connecting piece (501) is fixedly mounted on the upper surface of the L-shaped filling piece (5); a sliding groove (502) is provided on one side surface of the L-shaped filling piece (5) near both ends; a push-pull block (503) is embedded inside the sliding groove (502); a rebound groove (504) is provided on both end surfaces of the L-shaped filling piece (5); an insert rod (505) is movably embedded inside the rebound groove (504); a stop block (506) is fixedly mounted on the rear end surface of the insert rod (505); and a spring (507) is sleeved on the surface of the insert rod (505) and inside the rebound groove (504).

3. A foldable plug-in fire damper and a valve body outer frame thereof according to claim 2, characterized in that: Slots (601) are provided on the surfaces of both ends of the filling strip (6), and the front ends of the insertion rods (505) are embedded in the slots (601).

4. A foldable plug-in fire damper and a valve body outer frame thereof according to claim 3, characterized in that: The valve body outer frame (1) is composed of metal plates (101) that are folded and connected at the ends. The outer surface of the metal plate (101) is bent with vertical plates (102) near both sides. The upper end of the vertical plate (102) is bent with a horizontal plate (103). The horizontal plate (103) is parallel to the upper surface of the valve body outer frame (1). A reinforcing plate (104) is fixedly installed on one end surface of the metal plate (101).

5. A foldable plug-in fire damper and a valve body outer frame thereof according to claim 4, characterized in that: The length of the reinforcing plate (104) is smaller than the width of the metal plate (101); the reinforcing plate (104) is clamped between the vertical plates (102); and the lower end of the rivet (2) passes through the reinforcing plate (104) and is embedded in the metal plate (101).

6. A foldable plug-in fire damper and a valve body outer frame thereof according to claim 5, characterized in that: The slide groove (502) is connected to the rebound groove (504), the lower end of the push-pull block (503) passes through the slide groove (502) and is connected to the stop block (506), the width of the slide groove (502) is smaller than the width of the rebound groove (504), the two ends of the connecting plate (501) are connected to one end of the horizontal plate (103), and the filling strip (6) is embedded under the horizontal plate (103).

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