Air pipe forcible entry structure for fire fighting

Abstract

The utility model discloses a fire-fighting air pipe forcible entry structure which comprises a handle, a semicircular support is fixed to the top end of the handle, and the handle is fixed to one end of the outer arc-shaped edge of the semicircular support. A semicircular movable frame is arranged at the inner arc-shaped edge of the semicircular bracket; a limiting lantern ring is fixed to one end of the semicircular support and located on the top of the handle. A connecting sleeve ring is arranged at the end part of the semicircular movable frame; the semicircular movable frame is inserted into the limiting lantern ring, and the connecting lantern ring is arranged on the semicircular support and can move on the semicircular support; an inhaul cable is arranged on the connecting lantern ring; the inhaul cable is pulled downwards to enable the semicircular movable frame to move on the semicircular support and clamp the air pipe. The air pipe clamping device is reasonable in structural arrangement, the semicircular support, the semicircular movable frame and the inhaul cable are arranged, clamping operation of an air pipe can be rapidly achieved, and therefore the air pipe breaking efficiency and convenience can be improved, use safety can be improved, and the air pipe clamping device is high in applicability and good in practicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire-fighting equipment, and in particular relates to an air duct breaking and dismantling structure for fire-fighting. Background Art

[0002] The air duct is a relatively important ventilation structure in a building. When a fire occurs, the air duct needs to be quickly dismantled. However, since the air duct is generally located at the top of the room, it is necessary to manually climb to a higher position and then dismantle it. This is not only inconvenient to operate, but also poses a great safety hazard, which affects the efficiency of dismantling. Therefore, designing a structure that can quickly dismantle the air duct is a technical problem that technicians in this technical field need to solve. Summary of the Invention

[0003] The purpose of the utility model is to provide a fire-fighting air duct breaking and dismantling structure which has a reasonable structural arrangement and is convenient to operate.

[0004] The technical solution for achieving the purpose of the utility model is a fire-fighting air duct demolition structure, comprising a handle, a semicircular bracket fixed to the top end of the handle, and the handle is fixed to one end of the outer arc side of the semicircular bracket;

[0005] A semicircular movable frame is provided at the inner arc edge of the semicircular bracket;

[0006] A limiting collar is fixed at one end of the semicircular bracket, and the limiting collar is located at the top of the handle;

[0007] The end of the semicircular movable frame is provided with a connecting ring;

[0008] The semicircular movable frame is inserted into the limiting collar, and the connecting collar is arranged on the semicircular bracket and can move on the semicircular bracket;

[0009] A cable is provided on the connecting collar;

[0010] The pull rope is pulled downward to move the semicircular movable frame on the semicircular bracket and complete the clamping of the air duct.

[0011] It is further preferred that: a guide ring is provided on the handle;

[0012] The middle portion of the cable is passed through the guide ring, and a pull rod is fixed to the end of the cable.

[0013] It is further preferred that: a guide convex edge is provided on the inner ring edge of the semicircular bracket;

[0014] A guide groove is provided on the outer ring edge of the semicircular movable frame;

[0015] The guide protrusion is located in the guide groove.

[0016] It is further preferred that: the ends of the semicircular bracket and the ends of the semicircular movable frame are both fixed with limiting protrusions;

[0017] The semicircular movable frame moves on the semicircular bracket and is prevented from falling off and limited by the limiting protrusion.

[0018] It is further preferred that the handle, the semicircular bracket and the semicircular movable frame are all metal structures.

[0019] It is further preferred that the handle, the semicircular bracket and the semicircular movable frame are all made of aluminum structures.

[0020] More preferably, the cable is a metal cable.

[0021] Its working principle is briefly described as follows: overlap the semicircular movable frame and the semicircular bracket, which is in an open state at this time. Move it toward the air duct so that the air duct enters the interior of the semicircular bracket from the open position. Pull the cable to move the semicircular movable frame on the semicircular bracket, and combine the semicircular movable frame and the semicircular bracket into a circle and clamp them on the air duct. Then pull the handle downward to pull the air duct down from the installation position to complete the dismantling.

[0022] The utility model has positive effects: the structure of the utility model is reasonably set up, and it is provided with a semicircular bracket, a semicircular movable frame and a pull rope, which can quickly realize the clamping operation of the air duct, thereby improving the efficiency and convenience of air duct dismantling, and also helping to improve the safety of use, with strong applicability and good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to make the content of the utility model easier to understand, the utility model is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings, wherein:

[0024] Figure 1 It is a structural diagram of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the utility model when pulling and clamping.

[0026] Reference numerals: handle 1 , semicircular bracket 2 , semicircular movable frame 3 , limiting collar 4 , connecting collar 5 , pull cable 6 , guide ring 7 , pull rod 8 , guide flange 9 , guide groove 10 , limiting protrusion 11 . DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0028] See Figures 1 to 2 As shown, a fire-fighting air duct demolition structure includes a handle 1, a semicircular bracket 2 is fixed to the top of the handle, and the handle is fixed to one end of the outer arc edge of the semicircular bracket; through the above structure, the handle will not affect the movement of the semicircular movable frame, and it is also convenient for demolition and pulling operations. The length of the handle can be processed and set as needed, so as to meet the demolition needs of air ducts at different heights, and there is no need to climb to a higher position during demolition, which improves the convenience of operation.

[0029] In actual application, a semicircular movable frame 3 is provided at the inner arc edge of the semicircular bracket; the semicircular movable frame can move on the semicircular bracket to realize the clamping operation, and the length of the semicircular movable frame is not greater than the semicircular bracket, thereby ensuring the effectiveness of the semicircular movable frame moving on the semicircular bracket.

[0030] In actual use, a limiting collar 4 is fixed at one end of the semicircular bracket, and the limiting collar is located at the top of the handle; a connecting collar 5 is provided at the end of the semicircular movable frame; during assembly, the semicircular movable frame is inserted into the limiting collar, and the connecting collar is provided on the semicircular bracket and can move on the semicircular bracket; at the same time, a pull rope 6 is provided on the connecting collar; when clamping the air duct, the pull rope will deform and be located on the inner ring surface of the semicircular movable frame, so as not to affect the normal air duct clamping operation. During use, the pull rope is pulled downward to move the semicircular movable frame on the semicircular bracket and complete the clamping of the air duct. The connecting collar allows the semicircular movable frame to move on the semicircular bracket, and the limiting collar cooperates with the connecting collar to mainly realize two-point limit of the semicircular frame, ensuring the translational effectiveness and stability of the semicircular movable frame.

[0031] In actual use, the handle is provided with a guide ring 7; the middle portion of the cable is passed through the guide ring, and the end of the cable is fixed with a pull rod 8. This structure can ensure that the cable is effectively positioned, facilitate the pulling operation when operating the handle, and improve the convenience of use.

[0032] In actual use, the inner edge of the semicircular bracket is provided with a guide ridge 9; the outer edge of the semicircular movable frame is provided with a guide groove 10; the guide ridge is located within the guide groove. This structure ensures that the semicircular movable frame remains stable when moving on the semicircular bracket, preventing tilting or shifting, and ensuring effective and reliable clamping.

[0033] In actual use, the ends of the semicircular bracket and the semicircular movable frame are fixed with limiting protrusions 11; the semicircular movable frame moves on the semicircular bracket and is prevented from falling off by the limiting protrusions. This structure can prevent the semicircular movable frame from loosening or falling off the semicircular bracket, ensuring smooth and effective use.

[0034] In actual use, the handle, semicircular bracket, and semicircular movable frame are all metal structures. Specifically, the handle, semicircular bracket, and semicircular movable frame are all aluminum structures. The pull cable is a metal pull cable. This structure improves overall strength and ensures effective demolition. The aluminum structure is relatively easy to operate, and a stainless steel structure is also acceptable.

[0035] Its working principle is briefly described as follows: overlap the semicircular movable frame and the semicircular bracket, which is in an open state at this time. Move it toward the air duct so that the air duct enters the interior of the semicircular bracket from the open position. Pull the cable to move the semicircular movable frame on the semicircular bracket, and combine the semicircular movable frame and the semicircular bracket into a circle and clamp them on the air duct. Then pull the handle downward to pull the air duct down from the installation position to complete the dismantling.

[0036] The utility model has positive effects: the structure of the utility model is reasonably set up, and it is provided with a semicircular bracket, a semicircular movable frame and a pull rope, which can quickly realize the clamping operation of the air duct, thereby improving the efficiency and convenience of air duct dismantling, and also helping to improve the safety of use, with strong applicability and good practicality.

[0037] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components described in the specification can also be directly processed according to existing technical common sense without any doubt. At the same time, the connection method of each component adopts the mature conventional means in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so no specific description is given here.

[0038] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Those skilled in the art will readily appreciate that other variations or modifications based on the above description are possible. It is not necessary and impossible to enumerate all embodiments here. However, obvious variations or modifications arising from the essence of the present invention remain within the scope of protection of the present invention.

Claims

1. A fire-fighting air duct demolition structure, including a handle, characterized in that: A semicircular bracket is fixed to the top of the handle, and the handle is fixed to one end of the outer arc edge of the semicircular bracket; A semicircular movable frame is provided at the inner arc edge of the semicircular bracket; A limiting collar is fixed at one end of the semicircular bracket, and the limiting collar is located at the top of the handle; The end of the semicircular movable frame is provided with a connecting ring; The semicircular movable frame is inserted into the limiting collar, and the connecting collar is arranged on the semicircular bracket and can move on the semicircular bracket; A cable is provided on the connecting collar; The pull rope is pulled downward to move the semicircular movable frame on the semicircular bracket and complete the clamping of the air duct.

2. The fire-fighting air duct dismantling structure according to claim 1, characterized in that: A guide ring is provided on the handle; The middle portion of the cable is passed through the guide ring, and a pull rod is fixed to the end of the cable.

3. The fire-fighting air duct dismantling structure according to claim 1, characterized in that: A guide convex edge is provided on the inner ring edge of the semicircular bracket; A guide groove is provided on the outer ring edge of the semicircular movable frame; The guide protrusion is located in the guide groove.

4. The fire-fighting air duct dismantling structure according to claim 1, characterized in that: The ends of the semicircular bracket and the ends of the semicircular movable frame are both fixed with limiting protrusions; The semicircular movable frame moves on the semicircular bracket and is prevented from falling off and limited by the limiting protrusion.

5. The fire-fighting air duct dismantling structure according to claim 1, characterized in that: The handle, the semicircular bracket and the semicircular movable frame are all metal structures.

6. The fire-fighting air duct dismantling structure according to claim 5, characterized in that: The handle, the semicircular bracket and the semicircular movable frame are all aluminum structures.

7. The fire-fighting air duct dismantling structure according to claim 1, characterized in that: The cable is a metal cable.

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