A quick-connect device for civil air defense and chemical defense ventilation ducts

Abstract

The utility model discloses a quick-connect device for ventilation ducts for civil air defense and chemical defense, including a tube body, a sealing ring is installed on the outer wall of the tube body, a clamp is installed on the outer wall of the tube body, a fixing groove is provided inside the clamp, the sealing ring is arranged inside the fixing groove, a fixing block 1 is fixedly connected to one side of the clamp, a limiting groove is provided inside the fixing block 1, a limiting hole 1 is provided inside the fixing block 1, and a fixing block 2 is fixedly connected to the other side of the clamp, and a limiting hole 2 is provided inside the fixing block 2. In actual use of the utility model, the gasket and the nut are twisted and tightened, and the other end of the screw is fixed to the nut, and the device can be tightened at the same time through the slot, so as to complete the rapid installation of the device, and the limiting groove and limiting hole design ensure the precise alignment and connection between the fixing block 1 and the fixing block 2, and ensure the stability and safety of the entire device.

Description

Technical Field

[0001] The utility model relates to the technical field of connection of civil air defense and chemical defense ventilation ducts, in particular to a quick connection device for civil air defense and chemical defense ventilation ducts. Background Art

[0002] Civilian air defense and chemical defense ventilation ducts refer to ventilation duct systems designed specifically for civil defense spaces or chemical defense spaces. These duct systems play a key role in emergency situations to ensure air circulation and maintain safety in the space. They usually use advanced designs and materials to cope with various disaster situations. Civilian air defense and chemical defense ventilation duct quick-connect devices are quick-connect devices designed specifically for civil defense spaces or chemical defense spaces. They can quickly assemble ventilation duct systems to ensure air circulation in emergencies and maintain safety in the space. These devices not only simplify the installation process of the ducts, but also improve the efficiency of emergency response. They are one of the important civil defense and chemical defense facilities.

[0003] After searching, the Chinese patent with the announcement number of CN217653431U discloses a quick-connect device for civil air defense and chemical defense ventilation ducts. The patent records that a seal has a first sealing part for sealing the joint surface at the pipe openings of two ventilation ducts and a second sealing part for respectively sealing the outer circumferential surface at the pipe openings of the two ventilation ducts. The buckle assembly is sleeved on the outer circumference of the seal to press the seal against the pipe openings of the two ventilation ducts to achieve the butt connection of the two ventilation ducts and the sealing at the joint, replacing the traditional flange connection, so that the installation of the civil air defense and chemical defense ventilation duct engineering and the conversion of the ventilation ducts can be realized quickly and efficiently, ensuring the safety of personnel in wartime ventilation and protecting the health of the people from danger. Technical solution;

[0004] The equipment installation steps in this solution are relatively complicated and will delay the construction period. Because the complicated installation steps require detailed operating procedures and professional technical support, the installation time will be extended, thereby delaying the overall project progress and increasing the time and cost of project completion. In order to solve this technical problem, the utility model proposes a quick-connect device for civil air defense and chemical defense ventilation ducts. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The equipment installation steps in this solution are relatively complicated and will delay the construction period. Because the complicated installation steps require detailed operating procedures and professional technical support, the installation time will be extended, thereby delaying the overall project progress and increasing the time and cost of project completion. In order to solve this technical problem, the utility model proposes a quick-connect device for civil air defense and chemical defense ventilation ducts.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a quick-connect device for a civil air defense and chemical defense ventilation duct, comprising a tube body, a sealing ring is installed on the outer wall of the tube body, a clamp is installed on the outer wall of the tube body, a fixing groove is opened inside the clamp, the sealing ring is arranged inside the fixing groove, one side of the clamp is fixedly connected with a fixing block 1, a limiting groove is opened inside the fixing block 1, a limiting hole 1 is arranged inside the fixing block 1, and the other side of the clamp is fixedly connected with a fixing block 2, a limiting hole 2 is opened inside the fixing block 2, a screw is threadedly connected to the inside of the fixing block 2, and a nut is threadedly connected to the outer wall of the fixing block 2.

[0009] Preferably, the size of the opening of the limiting groove matches the size of the second fixing block, and the second fixing block is slidably connected to the inside of the first fixing block.

[0010] Preferably, the outer side wall of the screw rod is movably connected with a gasket, and the gasket is installed on one side of the nut.

[0011] Preferably, one end of the screw rod is fixedly connected with a nut, and one end of the nut is provided with a slot.

[0012] Preferably, a fixing ring is welded to the top of the outer side wall of the tube body, and the fixing ring is made of stainless steel.

[0013] Preferably, the sealing ring is arranged on top of another set of fixing rings.

[0014] (III) Beneficial effects

[0015] The utility model provides a quick-connect device for civil air defense and chemical defense ventilation ducts. It has the following beneficial effects:

[0016] (1) Put the sealing ring on the outer side of the upper tube body. The sealing ring is made of rubber and has a certain degree of elasticity. It can fit tightly on the surface of the tube body. Then push the sealing ring down to the top of the other set of tube bodies, above the other fixing ring. Then take out the clamp. Both clamps have fixing grooves inside. The size of the fixing groove matches the sealing ring. The sealing ring can be placed inside the fixing groove. The screw is inserted into the limiting hole 1 and the limiting hole 2, and the gasket and nut are twisted and tightened. The other end of the screw is fixed to the nut. The equipment can be tightened at the same time through the slot, thereby completing the rapid installation of the equipment.

[0017] (2) The design of the limiting groove and the limiting hole ensures the precise alignment and connection between the fixing block 1 and the fixing block 2. This design can prevent the device from being displaced or loosened during use, thereby ensuring the stability and safety of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the hoop structure of the utility model;

[0020] Figure 3 This is a structural schematic diagram of a fixing block of the utility model;

[0021] Figure 4 It is a side structural schematic diagram of the utility model.

[0022] In the figure: 1. tube body; 2. fixing ring; 3. sealing ring; 4. clamp; 5. fixing groove; 6. fixing block 1; 7. limiting groove; 8. limiting hole 1; 9. fixing block 2; 10. screw; 11. nut; 12. slot; 13. gasket; 14. nut. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] See also Figure 1-4 , the utility model provides a technical solution:

[0025] Embodiment 1: A quick-connect device for a ventilation duct for civil air defense and chemical defense, comprising a tube body 1, an outer wall of the tube body 1 being provided with a sealing ring 3, the sealing ring 3 being sleeved on the outer side of the tube body 1, having a certain elasticity, and being able to fit tightly on the surface of the tube body 1, thereby playing a role in sealing and leak-proofing; an outer wall of the tube body 1 being provided with a clamp 4, an interior of the clamp 4 being provided with a fixing groove 5, the sealing ring 3 being arranged inside the fixing groove 5, one side of the clamp 4 being fixedly connected with a fixing block 6, an interior of the fixing block 6 being provided with a limiting groove 7, an interior of the fixing block 6 being provided with a limiting hole 8, another side of the clamp 4 being fixedly connected with a fixing block 2 9, the clamp 4 and the fixing blocks 1 6, 2, 9, 1 6 and 2 9 being connected together through the clamp 4, thereby forming a stable structure. A threaded screw 10 is provided inside the fixing block 29, and the position and tightness of the entire device can be adjusted and fixed by connecting with the nut 14. A limiting hole 2 is provided inside the fixing block 29, and the screw 10 is threadedly connected to the internal thread of the fixing block 29, and the nut 14 is threadedly connected to the outer wall of the fixing block 29.

[0026] Embodiment 2: The difference between this embodiment and embodiment 1 is that the size of the opening of the limiting groove 7 matches the size of the fixing block 2 9, the limiting groove 7 and the limiting hole limiting groove 7 and the limiting hole can ensure the positional relationship between the fixing block 1 6 and the fixing block 2 9, and ensure the correct installation and stability of the device assembly, the fixing block 2 9 is slidably connected to the inside of the fixing block 1 6, the clamp 4 and the other group of clamps 4 are respectively provided with the fixing block 1 6 and the fixing block 2 9, the fixing block 1 6 is provided with a limiting groove 7 and a limiting hole 1 8, the fixing block 2 9 is provided with a limiting hole 2 and a screw 10, the limiting groove 7 provided on the fixing block 1 6 matches the size of the fixing block 2 9, and the fixing block 2 The two can fit together, so that the equipment connection is more tightly, the outer side wall of the screw 10 is movably connected with a gasket 13, the gasket 13 is installed on one side of the nut 14, one end of the screw 10 is fixedly connected with a nut 11, one end of the nut 11 is provided with a slot 12, the screw 10 is embedded in the limiting hole 18 and the limiting hole 2, and the gasket 13 and the nut 14 are twisted and tightened, the other end of the screw 10 is fixed to the nut 11, and the equipment can be tightened at the same time through the slot 12, so as to complete the rapid installation of the equipment, a fixing ring 2 is welded on the top of the outer side wall of the tube body 1, and the fixing ring 2 is made of stainless steel, and a sealing ring 3 is arranged on the top of another group of fixing rings 2.

[0027] When working, first take out the two tube bodies 1 respectively, and then embed the bottom of the tube body 1 into the top of the other set of tube bodies 1. The top opening of the tube body 1 is larger than the bottom opening. The two sets of tube bodies 1 fit together, and then put the sealing ring 3 on the outside of the upper tube body 1. The sealing ring 3 is made of rubber and has a certain elasticity. It can fit tightly on the surface of the tube body 1. Then move the sealing ring 3 downward to the top of the other set of tube bodies 1, above the other fixing ring 2. At this time, take out the clamp 4. The inside of the two clamps 4 is provided with a fixing groove 5. The size of the fixing groove 5 matches the sealing ring 3, and the sealing ring 3 can be placed inside the fixing groove 5. A fixing block 1 6 and a fixing block 2 9 are respectively arranged on the clamp 4 and another group of clamps 4. A limiting groove 7 and a limiting hole 1 8 are provided on the fixing block 1 6, and a limiting hole 2 and a screw 10 are provided on the fixing block 2 9. The limiting groove 7 provided on the fixing block 1 6 matches the size of the fixing block 2 9, and the two can fit together, so that the equipment is connected more tightly, and the screw 10 is embedded in the limiting hole 1 8 and the limiting hole 2, and is twisted and tightened with a gasket 13 and a nut 14. The other end of the screw 10 is fixed to the nut 11, and the equipment can be tightened at the same time through the slot 12, thereby completing the rapid installation of the equipment.

[0028] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A quick-connect device for civil air defense and chemical defense ventilation ducts, characterized by: The invention comprises a tube body (1), the outer wall of the tube body (1) is provided with a sealing ring (3), the outer wall of the tube body (1) is provided with a clamp (4), the interior of the clamp (4) is provided with a fixing groove (5), the sealing ring (3) is arranged inside the fixing groove (5), one side of the clamp (4) is fixedly connected with a fixing block (6), the interior of the fixing block (6) is provided with a limiting groove (7), the interior of the fixing block (6) is provided with a limiting hole (8), the other side of the clamp (4) is fixedly connected with a fixing block (9), the interior of the fixing block (9) is provided with a limiting hole (2), the interior of the fixing block (9) is threadedly connected with a screw (10), and the outer wall of the fixing block (9) is threadedly connected with a nut (14).

2. The quick-connect device for civil air defense and chemical defense ventilation duct according to claim 1 is characterized by: The size of the opening of the limiting groove (7) matches the size of the second fixing block (9), and the second fixing block (9) is slidably connected inside the first fixing block (6).

3. The quick-connect device for civil air defense and chemical defense ventilation duct according to claim 1 is characterized by: The outer side wall of the screw rod (10) is movably connected with a gasket (13), and the gasket (13) is installed on one side of the nut (14).

4. The quick-connect device for civil air defense and chemical defense ventilation duct according to claim 1 is characterized by: One end of the screw rod (10) is fixedly connected to a nut (11), and one end of the nut (11) is provided with a slot (12).

5. The quick-connect device for civil air defense and chemical defense ventilation duct according to claim 1 is characterized by: A fixing ring (2) is welded to the top of the outer wall of the tube body (1), and the fixing ring (2) is made of stainless steel.

6. The quick-connect device for civil air defense and chemical defense ventilation duct according to claim 1, characterized in that: The sealing ring (3) is arranged on the top of another set of fixing rings (2).

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