CN215721486U

CN215721486U - Environment-friendly smoke-discharging fire-proof valve

Info

Publication number: CN215721486U
Application number: CN202121110831.6U
Authority: CN
Inventors: 周海波; 周海峰; 李宝君; 周海涛; 朱厚强
Original assignee: Beijing Haisheng Hongyu Electromechanical Installation Co ltd
Current assignee: Beijing Haisheng Hongyu Construction And Development Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-02-01
Anticipated expiration: 2031-05-21

Abstract

The utility model provides an environment-friendly smoke-discharging fire-resisting damper, and belongs to the technical field of packaging mechanical equipment. This smoke exhaust fire prevention valve of environmental protection includes smoke exhaust fire prevention valve structure and connecting line. The smoke exhaust fireproof valve structure comprises a smoke exhaust fireproof valve body and a fixing piece, wherein a first connecting pipe is fixed at two ends of the smoke exhaust fireproof valve body, the fixing piece comprises a sleeve, a threaded rod and a sliding block, the sleeve is fixed on the surface of the first connecting pipe, the threaded rod is rotatably penetrated through the inside of the sleeve, the sliding block is in threaded connection with the outer surface of one end of the threaded rod, the sliding block is in sliding connection with the inner surface of the sleeve, an annular plate is fixed on the outer surface of a second connecting pipe, the second connecting pipe is inserted into two ends of the first connecting pipe, and a clamping block is clamped on the surface of the annular plate. The utility model increases the tolerance value during connection, thereby being beneficial to improving the flexibility of connection.

Description

Environment-friendly smoke-discharging fire-proof valve

Technical Field

The utility model relates to the field of packaging mechanical equipment, in particular to an environment-friendly smoke-discharging fire-proof valve.

Background

The smoke-discharging fire-resisting valve is a fire-resisting component, generally mounted on the pipeline of mechanical smoke-discharging system, normally is opened, when fire hazard occurs, the smoke-discharging fire-resisting valve is opened, when the smoke-discharging pipeline interior smoke temp. is reached to 280 deg.C, and closed, and can meet the requirements of smoke-leaking quantity and fire-resisting integrity in a certain time so as to implement the functions of isolating smoke and resisting fire. The main materials are as follows: carbon steel, galvanized sheet, stainless steel.

At present, the aperture at both ends of the existing environment-friendly smoke exhaust fire damper is relatively fixed, so that the diameter of the connecting pipeline is difficult to be connected with the smoke exhaust fire damper if errors occur when the environment-friendly smoke exhaust fire damper is installed, and the use flexibility is poor.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides an environment-friendly smoke-discharging fire-resisting damper, aiming at improving the problem that the environment-friendly smoke-discharging fire-resisting damper is difficult to be connected with the smoke-discharging fire-resisting damper when the diameter of a connecting pipeline has errors.

The utility model is realized by the following steps:

the utility model provides an environment-friendly smoke-discharging fire-resisting damper, which comprises a smoke-discharging fire-resisting damper structure and a connecting pipeline.

The smoke exhaust fireproof valve structure comprises a smoke exhaust fireproof valve body, a first connecting pipe and a fixing piece, wherein the first connecting pipe is fixed at two ends of the smoke exhaust fireproof valve body, the fixing piece comprises a sleeve, a threaded rod and a sliding block, the sleeve is fixed on the surface of the first connecting pipe, the threaded rod is rotated to penetrate through the inside of the sleeve, the sliding block is in threaded connection with the outer surface of one end of the threaded rod, the sliding block is in sliding connection with the inner surface of the sleeve, the end portion of the sliding block is connected with a clamping block in a rotating mode, the connecting pipeline comprises a second connecting pipe and a ring plate, the ring plate is fixed on the outer surface of the second connecting pipe, the second connecting pipe is inserted into two ends of the first connecting pipe, and the clamping block is clamped on the surface of the ring plate.

In one embodiment of the present invention, the cross section of the first connecting pipe is arranged in an isosceles trapezoid, and a sealing layer is fixed to an inner surface of the first connecting pipe.

In an embodiment of the utility model, a limiting groove is formed in the sleeve, a limiting block matched with the limiting groove is fixed on the surface of the sliding block, and the limiting block is connected in the limiting groove in a sliding manner.

In an embodiment of the present invention, a threaded hole matched with the threaded rod is formed in the slider.

In one embodiment of the utility model, the other end of the threaded rod extends to the outside of the sleeve, and a rotating part is fixed at the other end of the threaded rod and is a hexagonal prism.

In an embodiment of the utility model, a clamping head is fixed at an end of the clamping block, a clamping groove matched with the clamping head is formed in the surface of the annular plate, and the clamping head is clamped in the clamping groove.

In an embodiment of the present invention, a groove is formed at an end of the slider, a rotating block is fixed on a surface of the clamping block, and the rotating block is rotatably connected inside the groove.

In one embodiment of the utility model, the cross section of the rotating block is in a T-shaped arrangement, and the groove and the rotating block are in a matching arrangement.

In an embodiment of the present invention, at least four fixing members are provided, and the fixing members are circumferentially distributed along an outer surface of the first connecting pipe.

In one embodiment of the utility model, the surfaces of the smoke evacuation fire damper body and the first connecting pipe are coated with an anticorrosive layer.

The utility model has the beneficial effects that: when the environment-friendly smoke-discharging fire-resisting damper is used, the second connecting pipe is inserted into the first connecting pipe, the clamping block is rotated to be clamped on the surface of the annular plate, the threaded rod is rotated by the rotating part, the sliding block is contracted towards the inside of the sleeve, and the clamping block is driven to move towards one side, so that the second connecting pipe is clamped in the first connecting pipe to be connected and fixed, and at the moment, the diameters of two ends of the first connecting pipe 120 have a certain difference value due to the fact that the section of the first connecting pipe is arranged in an isosceles trapezoid shape, so that the tolerance value is increased when connection is conducted, and connection flexibility is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a first perspective of an environmentally friendly smoke evacuation fire damper according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a first perspective of an environment-friendly smoke evacuation fire damper according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a fixing member of the smoke evacuation fire damper according to the embodiment of the present invention;

FIG. 4 is an enlarged view of the utility model at A in FIG. 2.

In the figure: 100-smoke exhausting and fire preventing valve structure; 110-smoke exhausting fire resisting damper body; 120-a first connection tube; 121-a sealing layer; 130-a fixture; 131-a sleeve; 1311-a limiting groove; 132-a threaded rod; 1321-rotating part; 133-a slider; 1331-a limiting block; 1332-grooves; 134-a clamping block; 1341-chuck; 1342-a rotation block; 200-connecting lines; 210-a second connecting tube; 220-a ring plate; 221-card slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: an environment-friendly smoke exhaust fire damper comprises a smoke exhaust fire damper structure 100 and a connecting pipeline 200.

Connecting tube 200 installation is fixed at the both ends of smoke exhaust fire damper structure 100, through the setting of the first connecting pipe 120 in smoke exhaust fire damper structure 100 both ends, can increase the tolerance scope between smoke exhaust fire damper and the external connection pipeline 200, improves the flexibility of using.

Referring to fig. 1-4, the smoke evacuation fire damper structure 100 includes a smoke evacuation fire damper body 110, a first connecting pipe 120 and a fixing member 130, the first connecting pipe 120 is fixed at two ends of the smoke evacuation fire damper body 110, the fixing member 130 includes a sleeve 131, a threaded rod 132 and a sliding block 133, the sleeve 131 is fixed on the surface of the first connecting pipe 120, the threaded rod 132 is rotated to penetrate inside the sleeve 131, a bearing is interference-connected to the surface of the threaded rod 132, and the bearing is embedded inside the sleeve 131, so that the threaded rod 132 can be conveniently fixed and the threaded rod 132 can be conveniently rotated, the sliding block 133 is screwed on the outer surface of one end of the threaded rod 132, the sliding block 133 is slidably connected to the inner surface of the sleeve 131, and the end of the sliding block 133 is rotatably connected to a clamping block 134.

The section of the first connecting pipe 120 is in an isosceles trapezoid shape, the sealing layer 121 is fixed on the inner surface of the first connecting pipe 120, and the sealing layer 121 is made of high-temperature-resistant rubber materials, so that the sealing performance is improved, and the sealing layer is not easy to burn; meanwhile, the cross section of the first connecting pipe 120 is in an isosceles trapezoid shape, so that the diameters of the two ends of the first connecting pipe 120 have a certain difference, the flexibility of connection with an external pipeline is improved, and the tolerance range is enlarged.

A limiting groove 1311 is formed in the sleeve 131, a limiting block 1331 matched with the limiting groove 1311 is fixed on the surface of the sliding block 133, the limiting block 1331 is connected to the inside of the limiting groove 1311 in a sliding mode, and the sliding block 133 and the limiting groove 1311 are arranged to prevent the sliding block 133 from being separated from the sleeve 131 to affect use; threaded holes matched with the threaded rods 132 are formed in the sliding blocks 133, and the threaded holes are beneficial for the sliding blocks 133 to move back and forth on the surfaces of the threaded rods 132.

The other end of the threaded rod 132 extends to the outside of the sleeve 131, the other end of the threaded rod 132 is fixed with a rotating part 1321, the rotating part 1321 is a hexagonal prism, and the threaded rod 132 can be rotated by an external wrench through the arrangement of the rotating part 1321, so that the rotation is more convenient; the end of the clamping block 134 is fixed with a clamping head 1341, the surface of the annular plate 220 is provided with a clamping groove 221 matched with the clamping head 1341, the clamping head 1341 is clamped inside the clamping groove 221, and the arrangement of the clamping head 1341 and the clamping groove 221 can improve the stability after clamping.

The section of rotatory piece 1342 is "T" type setting, and recess 1332 and rotatory piece 1342 are the phase-match setting, and here can make things convenient for joint piece 134 to rotate through such setting, and joint piece 134 is difficult for droing moreover.

At least four fixing pieces 130 are arranged, and the fixing pieces 130 are circumferentially distributed along the outer surface of the first connecting pipe 120, so that the first connecting pipe 120 and the second connecting pipe 210 can be fixed from different directions, and the fixing stability is improved; the surface spraying of smoke damper body 110 and first connecting pipe 120 has the anticorrosive coating, here through the setting of anticorrosive coating, can reduce corrosion rate and improve life.

Referring to fig. 1, 2 and 4, the connection pipe 200 includes a second connection pipe 210 and an annular plate 220, the annular plate 220 is fixed on an outer surface of the second connection pipe 210, the second connection pipe 210 is inserted into both ends of the first connection pipe 120, and the engagement block 134 is engaged with a surface of the annular plate 220.

Specifically, this smoke exhaust fire prevention valve of environmental protection's theory of operation: during the use, insert the inside of first connecting pipe 120 with second connecting pipe 210, then rotatory joint piece 134, make joint piece 134 joint on the surface of annular plate 220, at this moment, rotate threaded rod 132 through rotating part 1321, make slider 133 shrink to the inside of sleeve 131, and drive joint piece 134 to one side removal, thereby accomplish second connecting pipe 210 joint in the inside of first connecting pipe 120 and connect fixedly, at this moment because the cross-section of first connecting pipe 120 becomes isosceles trapezoid and sets up, consequently, there is certain difference in the diameter at first connecting pipe 120 both ends, the tolerance value has been increased when connecting like this, thereby be favorable to improving the flexibility of connecting.

It should be noted that the specific model specification of the smoke evacuation fire damper body 110 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply to the smoke damper body 110 and its principle will be clear to those skilled in the art and will not be described in detail here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An environment-friendly smoke-discharging fire-proof valve is characterized by comprising

The smoke evacuation fire damper structure (100) comprises a smoke evacuation fire damper body (110), a first connecting pipe (120) and a fixing piece (130), wherein the first connecting pipe (120) is fixed at two ends of the smoke evacuation fire damper body (110), the fixing piece (130) comprises a sleeve (131), a threaded rod (132) and a sliding block (133), the sleeve (131) is fixed on the surface of the first connecting pipe (120), the threaded rod (132) penetrates through the sleeve (131) in a rotating mode, the sliding block (133) is connected to the outer surface of one end of the threaded rod (132) in a threaded mode, the sliding block (133) is connected with the inner surface of the sleeve (131) in a sliding mode, and the end portion of the sliding block (133) is connected with a clamping block (134) in a rotating mode;

the connecting pipeline (200) comprises a second connecting pipe (210) and an annular plate (220), the annular plate (220) is fixed on the outer surface of the second connecting pipe (210), the second connecting pipe (210) is inserted into two ends of the first connecting pipe (120), and the clamping block (134) is clamped on the surface of the annular plate (220).

2. An environmentally friendly smoke evacuation fire damper according to claim 1, wherein the cross section of the first connecting pipe (120) is in the shape of an isosceles trapezoid, and a sealing layer (121) is fixed on the inner surface of the first connecting pipe (120).

3. An environment-friendly smoke exhaust fire damper according to claim 1, wherein a limiting groove (1311) is formed in the sleeve (131), a limiting block (1331) matched with the limiting groove (1311) is fixed on the surface of the sliding block (133), and the limiting block (1331) is slidably connected to the inside of the limiting groove (1311).

4. An environment-friendly smoke evacuation fire damper as claimed in claim 1 wherein said slider (133) is internally threaded with a threaded hole matching said threaded rod (132).

5. An environmentally friendly smoke evacuation fire damper according to claim 1, wherein the other end of the threaded rod (132) extends to the outside of the sleeve (131), the other end of the threaded rod (132) is fixed with a rotating part (1321), and the rotating part (1321) is a hexagonal prism.

6. The environmental-friendly smoke exhaust fire damper according to claim 1, wherein a clamping head (1341) is fixed at an end of the clamping block (134), a clamping groove (221) matched with the clamping head (1341) is formed in the surface of the annular plate (220), and the clamping head (1341) is clamped inside the clamping groove (221).

7. An environment-friendly smoke exhaust fire damper according to claim 1, wherein a groove (1332) is formed at an end of the sliding block (133), a rotating block (1342) is fixed on the surface of the clamping block (134), and the rotating block (1342) is rotatably connected inside the groove (1332).

8. An environmentally friendly smoke evacuation fire damper according to claim 7, wherein the cross section of the rotary block (1342) is "T" shaped, and the groove (1332) and the rotary block (1342) are matched.

9. An environmentally friendly smoke evacuation fire damper according to claim 1, wherein said fixing members (130) are provided in at least four numbers, and said fixing members (130) are circumferentially distributed along the outer surface of said first connecting pipe (120).

10. An environment friendly smoke exhaust and fire prevention valve according to claim 1, wherein the surfaces of the smoke exhaust and fire prevention valve body (110) and the first connecting pipe (120) are coated with an anticorrosive layer.