Fireproof isolation hood

Abstract

The utility model relates to the technical field of lithium battery production fire prevention, and discloses a fireproof isolation hood which comprises a supporting rod, a fireproof hood body, a first connecting block, a second connecting block, a plurality of folding rods, a plurality of first pull rods and an elastic button, the fireproof cover body is provided with a cavity, the first connecting block is fixedly arranged at the top end of the supporting rod, the second connecting block is connected to the supporting rod in a sliding mode, and the second connecting block is connected to the inner wall of the fireproof cover body; the folding rods and the first pull rods are arranged in the cavity and arranged in the circumferential direction of the supporting rod. And the elastic button is used for limiting the sliding of the second connecting block along the axial direction of the supporting rod. The fireproof cover has the advantages that the fireproof cover body can be rapidly switched from a folded state to an unfolded state to cover a fire source, fire spreading is avoided, single-person operation is facilitated, the fireproof cover can be far away from the fire source when the fire is controlled, safety is improved, and meanwhile storage is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery production fire prevention technical field especially relates to a fireproof isolation cover. BACKGROUND

[0002] After the fire of lithium battery fault, the effect of extinguishing by using traditional fire extinguisher is poor, and the fire cannot be controlled, and the fire will spread rapidly. In the production process of lithium battery, in order to control the fire, the lithium battery on fire is generally covered directly by using fire blanket, and the fire is controlled in a certain area, so as to avoid the spread of fire, but a single person is not convenient to operate the fire blanket, and when the fire source is covered, the distance from the fire source is close, and there is a great safety hazard. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a fireproof isolation cover, which can quickly switch the fireproof cover body from the folded body to the unfolded state to cover the fire source, avoid the spread of fire, facilitate single-person operation, keep away from the fire source when controlling the fire, improve safety, and facilitate storage.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a fireproof isolation cover, which comprises a supporting rod, a fireproof cover body, a first connecting block, a second connecting block, a plurality of folding rods, a plurality of first pull rods and an elastic button.

[0005] The fireproof cover body has a cavity, one end of the cavity away from the supporting rod is provided with an opening, the bottom of the opening is arranged away from the supporting rod, the top end of the supporting rod penetrates the fireproof cover body and extends into the cavity, the first connecting block is fixedly arranged on the top end of the supporting rod, the second connecting block is slidably connected to the supporting rod, and the second connecting block is connected to the inner wall of the fireproof cover body.

[0006] The plurality of folding rods and the plurality of first pull rods are arranged in the cavity and arranged circumferentially along the supporting rod, the number of the first pull rods corresponds to the number of the folding rods, one end of the first pull rod is rotatably connected to the first connecting block, the other end of the first pull rod is rotatably connected to the folding rod, one end of the folding rod is rotatably connected to the second connecting block, and the other end of the folding rod is fixedly connected to the inner wall of the fireproof cover body; the folding rod has a folded state and an unfolded state, and is used to drive the fireproof cover body to unfold or fold.

[0007] The elastic button is arranged on the supporting rod, and is used to limit the axial sliding of the second connecting block along the supporting rod.

[0008] Further, the first connecting block and the second connecting block have the same structure, the first connecting block comprises a ring-shaped main body and a plurality of connecting portions, the plurality of connecting portions are circumferentially arranged on the side wall of the ring-shaped main body, and a connecting groove for limiting the installation of the first pull rod is arranged on the connecting portion.

[0009] Further, the folding rod comprises a first connecting rod, a second connecting rod, a third connecting rod, a second pull rod and a third pull rod, one end of the first connecting rod is rotationally connected with the second connecting block, the other end of the first connecting rod is rotationally connected with the second connecting rod, the other end of the second connecting rod is rotationally connected with the third connecting rod, and the outer wall of the first connecting rod and the third connecting rod is fixedly connected with the inner wall of the fireproof cover body.

[0010] The first pull rod and the second pull rod are arranged above the first connecting rod, and the third pull rod is arranged above the second connecting rod; one end of the first pull rod is rotationally connected with the first connecting block, the other end of the first pull rod is rotationally connected with the middle end of the first connecting rod, one end of the second pull rod is rotationally connected with the first pull rod close to the one end of the first connecting rod, the other end of the second pull rod is rotationally connected with one end of the third pull rod, and the other end of the third pull rod is rotationally connected with the third connecting rod.

[0011] Further, the first connecting rod and the third connecting rod are provided with a fixing belt for connecting with the fireproof cover body.

[0012] Further, one end of the third connecting rod away from the second connecting rod is sleeved with a sleeve, and the outer wall of the sleeve is provided with the fixing belt.

[0013] Further, the first connecting rod, the second connecting rod, the third connecting rod, the first pull rod, the second pull rod and the third pull rod are all made of glass fiber rods.

[0014] Further, the folding rod further comprises a first connecting piece, a second connecting piece, a third connecting piece and a fourth connecting piece, one end of the first connecting piece is fixedly connected with the first pull rod, and the other end of the first connecting piece is rotationally connected with the second pull rod and the first connecting rod; one end of the second connecting piece is fixedly connected with the first connecting rod and rotationally connected with the third connecting piece, the other end of the second connecting piece is rotationally connected with the second connecting rod, the third connecting piece is rotationally connected with the second pull rod, the third connecting piece is fixedly connected with the third pull rod, one end of the fourth connecting piece is rotationally connected with the second connecting rod and the third pull rod, and the other end of the fourth connecting piece is fixedly connected with the third connecting rod.

[0015] Further, the side wall of the support rod is provided with a limiting groove, the elastic button comprises a button body and a spring, the button body is arranged in the limiting groove, one end of the spring is arranged against the bottom surface of the limiting groove and the other end of the spring is arranged against the button body, and the spring has a movement tendency of pushing the button body away from the bottom surface of the limiting groove.

[0016] Further, the support rod comprises a first rod body, a second rod body and a locking screw, the first connecting block is arranged on the top of the first rod body, the elastic button is arranged on the first rod body, the bottom of the first rod body is axially provided with a guide hole, the top of the second rod body is inserted into the guide hole and can slide along the axial direction of the guide hole, and the outer wall of the first rod body is provided with the locking screw, the end of the locking screw passes through the side wall of the guide hole and is arranged against the outer wall of the second rod body.

[0017] Further, the fireproof cover body is in the unfolded state, and the opening is circular or polygonal.

[0018] Compared with the prior art, the fireproof isolation cover has the advantages that: the support rod, the fireproof cover body, the first connecting block, the second connecting block, the plurality of folding rods, the plurality of first pull rods and the elastic button are arranged, when a fire occurs, the second connecting block is pushed to move along the axial direction of the support rod and approach the first connecting block, the second connecting block presses the elastic button to move and move above the elastic button, the elastic button is reset to support the bottom of the second connecting block, the folding rod has a folded state and an unfolded state, the second connecting block pushes the first pull rod to drive the folding rod to unfold, so that the fireproof cover body is in the unfolded state, the opening of the fireproof cover is arranged to face away from the bottom of the support rod, at this time, the fireproof cover body is covered on the fire source by holding the support rod, the spread of the fire is blocked, the fireproof effect is good, and single-person operation is facilitated. Meanwhile, the support rod is held, the fire can be controlled away from the fire source, and safety is improved. In addition, when the fire is handled, the elastic button is pressed, the second connecting block moves along the axial direction of the support rod and away from the first connecting block, the first pull rod is pushed to drive the folding rod to contract, so that the fireproof cover body is switched from the unfolded state to the folded state, and storage is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structure schematic view of an unfolded state of the fireproof isolation cover of the utility model embodiment;

[0020] Figure 2 is a structure schematic view of an unfolded state of the folding rod of the fireproof isolation cover of the utility model embodiment;

[0021] Figure 3 is Figure 2 is an enlarged view of A in FIG. 8;

[0022] Figure 4 is a structure schematic view of the folding rod of the fireproof isolation cover of the embodiment of the utility model;

[0023] Figure 5 is a structure schematic view of the folding state of the fireproof isolation cover of the embodiment of the utility model;

[0024] Figure 6 is a structure schematic view of the supporting rod of the fireproof isolation cover of the embodiment of the utility model;

[0025] Figure 7 is a sectional view of the supporting rod of the fireproof isolation cover of the embodiment of the utility model.

[0026] In the figure, 1, supporting rod; 11, first rod body; 111, guide hole; 12, second rod body; 121, handle; 13, locking screw; 100, limiting groove;

[0027] 2, fireproof cover body; 21, cavity; 211, opening;

[0028] 3, first connecting block; 31, annular main body; 32, connecting part; 321, connecting groove;

[0029] 4, second connecting block;

[0030] 5, folding rod; 51, first connecting rod; 52, second connecting rod; 53, third connecting rod; 54, second pull rod; 55, third pull rod; 56, fixing belt; 57, sleeve; 500, first connecting piece; 510, second connecting piece; 520, third connecting piece; 530, fourth connecting piece;

[0031] 6, elastic button; 61, button body; 62, spring;

[0032] 7, first pull rod. DETAILED DESCRIPTION

[0033] The specific embodiments of the utility model are described in further detail below in combination with the drawings and embodiments. The following embodiments are used to illustrate the utility model, but are not used to limit the scope of the utility model.

[0034] In the description of the utility model, it should be understood that the positions or location relations indicated by the terms "upper", "lower", "front", "rear", "inner", "outer" and the like in the utility model are based on the position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices and elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0035] In the description of the utility model, it should be understood that the utility model adopts the terms "first", "second" and the like to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the utility model, "first" information can also be referred to as "second" information, and similarly, "second" information can also be referred to as "first" information.

[0036] As Figures 1 to 7 Indicated, the utility model preferred embodiment's one fireproof isolation cover, fireproof cover body 2 can be unfolded or folded, it includes: support rod 1, fireproof cover body 2, first connecting block 3, second connecting block 4, multiple folding rods 5, multiple first pull rods 7 and elastic button 6. Wherein, fireproof cover body 2 is made by fireproof blanket sewing, it has cavity 21, the end away from support rod 1 of cavity is equipped with opening 211, in order to facilitate hand support rod 1, cover fire source with fireproof cover body 2, refer to Figure 1 , the bottom of opening 211 is set back to support rod 1, the top end of support rod 1 is passed through fireproof cover body 2 and extends to cavity 21, the top end of support rod 1 is fixed with first connecting block 3, and second connecting block 4 is slidably connected on support rod 1, and second connecting block 4 is connected to the inner wall of fireproof cover body 2 and fixed with fireproof cover body 2;Multiple folding rods 5, multiple first pull rods 7 are arranged in cavity 21 and are arranged along the circumferential direction of support rod 1, and the number of first pull rod 7 corresponds to folding rod 5, one end of first pull rod 7 is rotatably connected with first connecting block 3, the other end of first pull rod 7 is rotatably connected with folding rod 5, one end of folding rod 5 is rotatably connected with second connecting block 4, and the other end of folding rod 5 is fixedly connected with the inner wall of fireproof cover body 2;Folding rod 5 has folding state and unfolding state, for driving fireproof cover body 2 to fold or unfold, elastic button 6 is arranged on support rod 1, for the axial sliding limit of second connecting block 4 along support rod 1.

[0037] The fireproof cover body 2 has a folded state and an unfolded state. When it is necessary to control the fire, the second connecting block 4 is pushed to move along the axial direction of the support rod 1 to approach the first connecting block 3, the first pull rod 7 drives the folding rod 5 to unfold along the radial direction of the support rod 1, the second connecting block 4 presses the elastic button 6 to move and move above the elastic button 6, the elastic button 6 is reset to support the bottom of the second connecting block 4, so that the fireproof cover body 2 is in the unfolded state. By holding the support rod 1, the opening 211 of the fireproof cover body 2 is placed towards the fire source, the fire source is isolated in the fireproof cover body 2, the spread of the fire is blocked, the fireproof effect is good, and single-person operation is facilitated. In some embodiments, the shape of the opening 211 is circular or polygonal when the fireproof cover body 2 is in the unfolded state. The shape of the opening 211 can be adaptively designed according to the site and the distribution of the lithium battery. Preferably, the shape of the opening 211 is rectangular. At the same time, since the support rod 1 is held, the safety is improved when the fire is controlled. In addition, when the fire is handled, in order to facilitate storage of the fireproof isolation cover and reduce the storage space, the elastic button 6 is pressed, the second connecting block 4 moves away from the first connecting block 3 along the axial direction of the support rod 1, the first pull rod 7 drives the folding rod 5 to contract along the radial direction of the support rod, so that the fireproof cover body 2 is switched from the unfolded state to the folded state.

[0038] In some embodiments, in order to facilitate the design of the first connecting block 3 and the second connecting block 4 and simplify the structure, referring to Figure 3 , the first connecting block 3 and the second connecting block 4 have the same structure. The first connecting block 3 includes a ring-shaped body 31 and a plurality of connecting portions 32. The plurality of connecting portions 32 are arranged in the circumferential direction of the side wall of the ring-shaped body 31. A connecting groove 321 for limiting installation of the first pull rod 7 is formed in the connecting portion 32. The number of the connecting portions 32 corresponds to the number of the first pull rod 7. The folding rod 5 and the second connecting block 4 have the same connection structure, which is not described here.

[0039] In some embodiments, in order to realize unfolding and folding of the fireproof cover body 2, referring to Figure 4 , Figure 5, the folding rod 5 comprises a first connecting rod 51, a second connecting rod 52, a third connecting rod 53, a second pull rod 54 and a third pull rod 55, wherein one end of the first connecting rod 51 is rotationally connected with the second connecting block 4, the other end of the first connecting rod 51 is rotationally connected with the second connecting rod 52, the other end of the second connecting rod 52 is rotationally connected with the third connecting rod 53, and the outer walls of the first connecting rod 51 and the third connecting rod 53 are fixedly connected with the inner wall of the fireproof cover body 2. In order to link the first connecting rod 51, the second connecting rod 52 and the third connecting rod 53, and expand and contract the fireproof cover body 2, the first pull rod 7 and the second pull rod 54 are arranged above the first connecting rod 51, and the third pull rod 55 is arranged above the second connecting rod 52; one end of the first pull rod 7 is rotationally connected with the first connecting block 3, the other end of the first pull rod 7 is rotationally connected with the middle end of the first connecting rod 51, one end of the second pull rod 54 is rotationally connected with the first pull rod 7 close to the first connecting rod 51, the other end of the second pull rod 54 is rotationally connected with one end of the third pull rod 55, and the other end of the third pull rod 55 is rotationally connected with the third connecting rod 53.

[0040] In some embodiments, in order to fix the first connecting rod 51 and the third connecting rod 53 with the fireproof cover body 2, a fixing band 56 for connecting with the fireproof cover body 2 is arranged on the first connecting rod 51 and the third connecting rod 53, wherein the fixing band 56 can be made of fireproof material. Further, in order to completely open the fireproof cover body 2 and facilitate the assembly of the folding rod 5 and the fireproof cover body 2, a sleeve 57 is arranged on the end of the third connecting rod 53 away from the second connecting rod 52, and the outer wall of the sleeve 57 is provided with the fixing band 56. First, the edge of the fireproof cover body 2 close to the opening 211 is fixed with the sleeve 57 through the fixing band 56, the fireproof cover body 2 is sleeved on the supporting rod 1, and then the third connecting rod 53 is inserted into the sleeve 57, so that the fireproof cover body 2 and the folding rod 5 are quickly connected.

[0041] In some embodiments, in order to improve the fireproof effect of the folding rod 5 and avoid damage at high temperature, the first connecting rod 51, the second connecting rod 52, the third connecting rod 53, the first pull rod 7, the second pull rod 54 and the third pull rod 55 are all made of glass fiber rods, which have strong hardness and good fireproof performance.

[0042] Further, in order to facilitate the linkage between the connecting rods and the pull rods, refer to Figure 4, the folding rod 5 further comprises a first connecting piece 500, a second connecting piece 510, a third connecting piece 520 and a fourth connecting piece 530, wherein one end of the first connecting piece 500 is fixedly connected with the first pull rod 7, and the other end of the first connecting piece 500 is rotatably connected with the second pull rod 54 and the first connecting rod 51; one end of the second connecting piece 510 is fixedly connected with the first connecting rod 51 and rotatably connected with the third connecting piece 520, and the other end of the second connecting piece 510 is rotatably connected with the second connecting rod 52; the third connecting piece 520 is rotatably connected with the second pull rod 54 and fixedly connected with the third pull rod 55; one end of the fourth connecting piece 530 is rotatably connected with the second connecting rod 52 and the third pull rod 55, and the other end of the fourth connecting piece 530 is fixedly connected with the third connecting rod 53. Through the above connecting pieces, the folding rod 5 is realized to be contracted and expanded, and the fireproof cover body 2 is realized to be contracted and expanded.

[0043] In some embodiments, in order to facilitate the installation of the elastic button 6, referring to Figure 6 、 Figure 7 , the side wall of the supporting rod 1 is provided with a limiting groove 100, the elastic button 6 comprises a button body 61 and a spring 62, the button body 61 is arranged in the limiting groove 100, one end of the spring 62 abuts against the bottom surface of the limiting groove 100 and the other end abuts against the button body 61, and the spring 62 has a movement tendency of pushing the button body 61 away from the bottom surface of the limiting groove 100. Referring to Figure 7 , the button body 61 is pressed, the spring 62 is compressed, the button body 61 is located in the limiting groove 100 as a whole, the second connecting block 4 moves to the right side of the button body 61, then the spring 62 resets, the button body 61 blocks the left movement of the second connecting block 4, at this time, the fireproof cover body 2 is in the expanded state.

[0044] In some embodiments, in order to further reduce the storage space of the fireproof isolation cover, the supporting rod 1 is telescopic, referring to Figure 5 、 Figure 6The support rod 1 comprises a first rod body 11, a second rod body 12 and a locking screw 13, wherein the first connecting block 3 is arranged at the top of the first rod body 11, the elastic button 6 is arranged on the first rod body 11, the bottom of the first rod body 11 is provided with a guide hole 111 in the axial direction, the top of the second rod body 12 is inserted into the guide hole 111 and can slide in the axial direction of the guide hole 111, the outer wall of the first rod body 11 is provided with the locking screw 13, and the end of the locking screw 13 is arranged on the outer wall of the second rod body 12 through the side wall of the guide hole 111. When it is necessary to control the fire, in order to keep the operator away from the fire source, the locking screw 13 is loosened, the end of the second rod body 12 is pulled out of the guide hole 111 to a proper length, the locking screw 13 is tightened, the other end of the second rod body 12 is held, the fireproof cover body 2 is arranged above the fire source, and the spread of the fire is blocked. When it is necessary to store the fireproof isolation cover, the locking screw 13 is loosened, the end of the second rod body 12 is inserted into the guide hole 111, the length of the support rod 1 is shortened, the locking screw 13 is tightened, and the storage space is reduced. Further, in order to facilitate holding of the support rod 1, the bottom of the second rod body 12 is provided with a handle 121, and the outer wall of the handle 121 is provided with an anti-skid surface to avoid slipping when holding and increase the friction force when holding.

[0045] In conclusion, the utility model discloses an isolation fireproof cover which is provided with a support rod 1, a fireproof cover body 2, a first connecting block 3, a second connecting block 4, a plurality of folding rods 5 and an elastic button 6. When a fire occurs, the second connecting block 4 is pushed to move along the axial direction of the support rod 1 and approach the first connecting block 3, the second connecting block 4 presses and moves the elastic button 6 and moves above the elastic button 6, the elastic button 6 is reset to support the bottom of the second connecting block 4, the folding rod 5 has a folded state and an unfolded state, the second connecting block 4 drives the first pull rod 7 to drive the folding rod 5 to unfold, so that the fireproof cover body 2 is in the unfolded state. Since the opening 211 of the fireproof cover is arranged to face away from the bottom of the support rod 1, at this time, the support rod 1 is held to cover the fireproof cover body 2 on the fire source, the spread of the fire is blocked, the fireproof effect is good, and single-person operation is facilitated. Meanwhile, since the support rod 1 is held, the operator can be away from the fire source when controlling the fire, and the safety is improved. In addition, when the fire is handled, the elastic button 6 is pressed, the second connecting block 4 moves away from the first connecting block 3 along the axial direction of the support rod 1, the folding rod 5 is retracted, and the fireproof cover body 2 is switched from the unfolded state to the folded state, so that storage is facilitated.

[0046] The above only describes the preferred embodiments of the utility model, and it should be noted that, for ordinary technical personnel in the technical field, without departing from the technical principles of the utility model, a plurality of improvements and replacements can be made, and these improvements and replacements should also be regarded as the protection range of the utility model.

Claims

1. A fireproof isolation cover, characterized in that, include: Support rod, fireproof cover, first connecting block, second connecting block, multiple folding rods, multiple first pull rods and elastic buttons; The fireproof cover has a cavity, and the cavity has an opening at one end away from the support rod. The opening is located opposite to the bottom of the support rod. The top end of the support rod passes through the fireproof cover and extends into the cavity. The top end of the support rod is fixedly provided with the first connecting block, and the second connecting block is slidably connected to the support rod. The second connecting block is connected to the inner wall of the fireproof cover. Multiple folding rods and multiple first pull rods are disposed within the cavity and arranged circumferentially along the support rod. The number of first pull rods corresponds to the number of folding rods. One end of the first pull rod is rotatably connected to the first connecting block, and the other end of the first pull rod is rotatably connected to the folding rod. One end of the folding rod is rotatably connected to the second connecting block, and the other end of the folding rod is fixedly connected to the inner wall of the fireproof cover. The folding rods have a folded state and an unfolded state, and are used to drive the fireproof cover to unfold or fold. The elastic button is located on the support rod and is used to limit the sliding movement of the second connecting block along the axial direction of the support rod.

2. The fireproof isolation cover as described in claim 1, characterized in that: The first connecting block has the same structure as the second connecting block. The first connecting block includes an annular body and multiple connecting parts. The multiple connecting parts are arranged circumferentially on the side wall of the annular body. A connecting groove for limiting the installation of the first pull rod is provided on the connecting part.

3. The fireproof isolation cover as described in claim 1, characterized in that: The folding rod includes a first connecting rod, a second connecting rod, a third connecting rod, a second pull rod, and a third pull rod. One end of the first connecting rod is rotatably connected to the second connecting block, the other end of the first connecting rod is rotatably connected to the second connecting rod, and the other end of the second connecting rod is rotatably connected to the third connecting rod. The outer walls of the first connecting rod and the third connecting rod are fixedly connected to the inner wall of the fireproof cover. The first pull rod and the second pull rod are located above the first connecting rod, and the third pull rod is located above the second connecting rod; one end of the first pull rod is rotatably connected to the first connecting block, and the other end of the first pull rod is rotatably connected to the middle end of the first connecting rod; one end of the second pull rod is rotatably connected to the end of the first pull rod near the first connecting rod, and the other end of the second pull rod is rotatably connected to one end of the third pull rod; the other end of the third pull rod is rotatably connected to the third connecting rod.

4. The fireproof isolation cover as described in claim 3, characterized in that: The first connecting rod and the third connecting rod are provided with fixing straps for connecting to the fireproof cover.

5. The fireproof isolation cover as described in claim 4, characterized in that: The third link is fitted with a sleeve at the end away from the second link, and the outer wall of the sleeve is provided with the fixing strap.

6. The fireproof isolation cover as described in claim 3, characterized in that: The first connecting rod, the second connecting rod, the third connecting rod, the first tie rod, the second tie rod, and the third tie rod are all made of fiberglass rods.

7. The fireproof isolation cover as described in claim 3, characterized in that: The folding rod further includes a first connector, a second connector, a third connector, and a fourth connector. One end of the first connector is fixedly connected to the first pull rod, and the other end of the first connector is rotatably connected to the second pull rod and the first connecting rod. One end of the second connector is fixedly connected to the first connecting rod and rotatably connected to the third connector, and the other end of the second connector is rotatably connected to the second connecting rod. The third connector is rotatably connected to the second pull rod and fixedly connected to the third pull rod. One end of the fourth connector is rotatably connected to the second connecting rod and the third pull rod, and the other end of the fourth connector is fixedly connected to the third connecting rod.

8. The fireproof isolation cover as described in claim 1, characterized in that: The side wall of the support rod has a limiting groove. The elastic button includes a button body and a spring. The button body is located in the limiting groove, and one end of the spring abuts against the bottom surface of the limiting groove and the other end abuts against the button body. The spring has a tendency to push the button body away from the bottom surface of the limiting groove.

9. The fireproof isolation cover as described in claim 1, characterized in that: The support rod includes a first rod body, a second rod body, and a locking screw. The first connecting block is located at the top of the first rod body, and the elastic button is located on the first rod body. A guide hole is provided at the bottom of the first rod body along the axial direction. The top of the second rod body is inserted into the guide hole and can slide along the axial direction of the guide hole. The locking screw is provided on the outer wall of the first rod body, and the end of the locking screw passes through the side wall of the guide hole and abuts against the outer wall of the second rod body.

10. The fireproof isolation cover as described in claim 1, characterized in that: The fireproof cover is in the unfolded state, and the opening is circular or polygonal in shape.

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