Civil air defense closed valve convenient to install

Abstract

A hoisting mechanism comprises a mounting plate, moving rails are fixedly connected to the two sides of the bottom face of the mounting plate, moving blocks are slidably connected to the inner sides of the two moving rails, and the middles of the bottom faces of the moving blocks extend to the positions below the moving rails; a supporting rod is jointly and rotationally connected between the middles of the bottom surfaces of the two moving blocks, winding wheels are fixedly installed on the two sides of the outer wall of the supporting rod, traction ropes are connected to the middles of the outer walls of the winding wheels in a winding mode, and lifting hooks are fixedly connected to the bottom ends of the two traction ropes; the mounting plate is connected with a lifting lug at the top of the valve body through a lifting hook below the traction rope, so that the valve body can be driven to be lifted to be close to a mounting point by winding the traction rope, manual lifting during mounting of the closed valve body can be avoided through the structure, and after the closed valve body is lifted upwards, a climbing operator can adjust the angle of the closed valve body; and therefore, the sealing valve main body can be conveniently mounted and fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to airtight valve technical field, concretely relates to a convenient installation civil air defense airtight valve. BACKGROUND

[0002] The civil air defense airtight valve is the key equipment in the air defense engineering ventilation protection system in wartime, it can change the air flow, is suitable for the ventilation and exhaust pipeline of medium air, the valve has certain shock wave residual pressure capacity, is usually divided into manual and hand electric two types.

[0003] In prior art, when installing the airtight valve at high place, usually need multiple operators to cooperate, and the airtight valve is lifted upward as a whole, can carry out installation step, and the installation threshold is high, and the airtight valve needs to consume more manpower to lift up, and there is safety risk in the lifting process, therefore, a convenient installation civil air defense airtight valve is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems as follows: when installing the airtight valve at high place, usually need multiple operators to cooperate, the installation threshold is high, and the airtight valve needs to consume more manpower to lift up.

[0005] The purpose of the utility model can be realized through the following technical schemes:

[0006] A convenient installation civil air defense airtight valve, including airtight valve main part, the upper portion of airtight valve main part is provided with hoisting mechanism;

[0007] The hoisting mechanism includes the mounting plate, and the bottom surface both sides of the mounting plate are fixedly connected with the moving rail, and the inner side of two moving rails is slidably connected with the moving block, and the bottom surface middle part of the moving block extends to the lower portion of the moving rail;

[0008] Among them, the bottom surface middle part between two moving blocks is rotatably connected with the support rod, and the outer wall both sides of the support rod are fixedly installed with the winding wheel, and the outer wall middle part of each winding wheel is woundly connected with the traction rope, and the bottom end of two traction ropes is fixedly connected with the lifting hook.

[0009] As a further scheme of the utility model: the airtight valve main part includes the valve body, the top surface of the valve body is fixedly installed with the top frame, the top surface middle part of the top frame is fixedly installed with the mounting disc, and the top surface side of the mounting disc is also rotatably connected with the adjusting ring, the top surface both sides of the adjusting ring are fixedly connected with the lifting lug, and the outer wall of two lifting lugs is respectively connected with two lifting hooks, and the top surface of the adjusting ring is also provided with a plurality of positioning holes.

[0010] As a further scheme of the present utility model: the top surface of the mounting disc and one end inside the adjusting ring are slidably connected with a lifting rod, the upper end of the lifting rod is fixedly connected with a positioning shaft, the lower end outer wall of the lifting rod is abutted with a spring, the other side of the spring is fixedly connected with the inner wall of the mounting disc, and the outer wall of the positioning shaft is inserted into the positioning hole.

[0011] As a further scheme of the present utility model: the surface of the mounting plate and both sides of each moving rail are penetratedly connected with expansion bolts, the lower end side wall of the moving block on one side is fixedly connected with a holding rod, the lower end side wall of the moving block on the other side is rotatably connected with a crank, and the crank penetrates through the moving block at the rotating shaft and is fixedly connected with the side wall of the supporting rod.

[0012] As a further scheme of the present utility model: the outer wall of each hook is rotatably connected with a rotating rod at one end, the rotating rod extends vertically upward at the end away from the hook, and the top side of the rotating rod is fixedly connected with a supporting shaft.

[0013] As a further scheme of the present utility model: the bottom ends of the two moving blocks are fixedly connected with limiting cylinders, and the inner sides of the two limiting cylinders are penetratedly connected with each traction rope respectively.

[0014] As a further scheme of the present utility model: the side wall of the limiting cylinder and above the rotating rod and the supporting shaft are fixedly connected with a side supporting ring, the inside of the side supporting ring is penetratedly connected with the rotating rod, and the bottom of the supporting shaft is movably contacted with the top of the side supporting ring.

[0015] The present utility model has the advantages of:

[0016] (1) The present utility model sets a lifting mechanism above the closed valve body, when installing the closed valve body at a high place, the inner mounting plate of the lighter lifting mechanism is fixed above the installation point, the mounting plate is connected with the top lifting lug of the valve body through the hook below the traction rope, so that the traction rope can drive the valve body to be lifted close to the installation point, and the above structure can avoid manual lifting when installing the closed valve body.

[0017] (2) The adjusting ring is fixed below the lifting lug, and the top frame at the top of the valve body can rotate relative to the adjusting ring, so that the angle of the closed valve body can be adjusted by the climbing operator after the closed valve body is lifted upward, thereby facilitating the installation and fixation of the closed valve body. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present utility model will be further described below in combination with the drawings.

[0019] Figure 1 It is the overall structure schematic view of the present utility model;

[0020] Figure 2 It isFigure 1 The enlarged structural schematic view of the middle A area;

[0021] Figure 3 The top view structural schematic view of the mounting disc in the utility model;

[0022] Figure 4 The sectional view structural schematic view of the mounting disc in the utility model;

[0023] Figure 5 The overall structural schematic view of the mounting plate in the utility model.

[0024] In the figure: 1, closed valve body; 101, valve body; 102, top frame; 103, mounting disc; 104, adjusting ring; 105, lifting lug; 106, positioning hole; 107, lifting rod; 108, positioning shaft; 109, spring; 2, hoisting mechanism; 201, mounting plate; 202, expansion bolt; 203, moving rail; 204, moving block; 205, limiting cylinder; 206, side support ring; 207, holding rod; 208, crank; 209, support rod; 210, winding wheel; 211, traction rope; 212, lifting hook; 213, rotating rod; 214, support shaft. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] As Figures 1-5 shown, a convenient installation civil air defense closed valve, including closed valve body 1, the upper portion of closed valve body 1 is provided with hoisting mechanism 2;Hoisting mechanism 2 includes mounting plate 201, the bottom surface both sides of mounting plate 201 are fixedly connected with moving rail 203, the inner side of two moving rails 203 is slidably connected with moving block 204, and the bottom surface middle part of moving block 204 extends to the below of moving rail 203;Among them, the bottom surface middle part between two moving blocks 204 is rotatably connected with support rod 209, and the outer wall both sides of support rod 209 are fixedly installed with winding wheel 210, and the outer wall middle part of each winding wheel 210 is woundly connected with traction rope 211, and the bottom end of two traction ropes 211 is fixedly connected with lifting hook 212, as Figure 5 shown, moving block 204 moves along the length direction of moving rail 203, so that the below lifting hook 212 can be driven to approach the installation point of closed valve;

[0027] The closed valve body 1 includes a valve body 101, the top surface of the valve body 101 is fixedly installed with a top frame 102, the top surface of the top frame 102 is fixedly installed with a mounting disc 103, the top surface side of the mounting disc 103 is also rotatably connected with an adjusting ring 104, the top surface of the adjusting ring 104 is fixedly connected with a lifting lug 105 on both sides, the outer walls of the two lifting lugs 105 are respectively connected with two hooks 212, a plurality of positioning holes 106 are formed in the top surface of the adjusting ring 104, a lifting rod 107 is slidably connected to one end of the top surface of the mounting disc 103 and located inside the adjusting ring 104, the upper end of the lifting rod 107 is fixedly connected with a positioning shaft 108, the lower end of the lifting rod 107 is abutted with a spring 109, the other side of the spring 109 is fixedly connected with the inner wall of the mounting disc 103, the outer wall of the positioning shaft 108 is inserted into the positioning hole 106, as shown in the figure, the spring 109 pushes the lifting rod 107 downward, and after the positioning shaft 108 is inserted into any positioning hole 106, the mounting disc 103 and the adjusting ring 104 are kept fixed relative to each other. Figures 3-4 As shown in the figure, the spring 109 pushes the lifting rod 107 downward, and after the positioning shaft 108 is inserted into any positioning hole 106, the mounting disc 103 and the adjusting ring 104 are kept fixed relative to each other.

[0028] The surface of the mounting plate 201 and located on both sides of each moving rail 203 are connected with expansion bolts 202, the lower end of one side of the moving block 204 is fixedly connected with a holding rod 207, the lower end of the other side of the moving block 204 is rotatably connected with a crank 208, the crank 208 is located at the rotating shaft and penetrates through the moving block 204 and is fixedly connected with the side wall of the supporting rod 209, as shown in the figure, the holding rod 207 can drive the moving block 204 to move along the length direction of the moving rail 203, and the crank 208 drives the winding wheel 210 to rotate. Figure 5 As shown in the figure, the holding rod 207 can drive the moving block 204 to move along the length direction of the moving rail 203, and the crank 208 drives the winding wheel 210 to rotate.

[0029] The outer wall of one end of each hook 212 is rotatably connected with a rotating rod 213, the rotating rod 213 extends vertically upward at the end away from the hook 212, and the top side of the rotating rod 213 is fixedly connected with a supporting shaft 214, the bottom ends of the two moving blocks 204 are fixedly connected with a limiting cylinder 205, the inner sides of the two limiting cylinders 205 are respectively connected with each traction rope 211, the side wall of the limiting cylinder 205 and located above the rotating rod 213 and the supporting shaft 214 is fixedly connected with a side supporting ring 206, the inside of the side supporting ring 206 is connected with the rotating rod 213, and the bottom of the supporting shaft 214 is in movable contact with the top of the side supporting ring 206, as shown in the figure, the rotating rod 213 can pass through the inside of the side supporting ring 206 after moving upward, and the supporting shaft 214 can move above the side supporting ring 206. Figure 2 As shown in the figure, the rotating rod 213 can pass through the inside of the side supporting ring 206 after moving upward, and the supporting shaft 214 can move above the side supporting ring 206.

[0030] The working principle of the utility model:

[0031] When the closed valve body 1 is installed to a high place, the installation plate 201 is first abutted against the installation point, and the installation plate 201 is connected with the supporting point through the expansion bolts 202, then the crank 208 is rotated to drive the winding wheel 210 to rotate, the traction rope 211 is put down, the hook 212 is connected with the lifting lug 105, then the crank 208 is rotated in the opposite direction, so that the winding wheel 210 winds and stores the traction rope 211, until the hook 212 is inserted into the inside of the limiting cylinder 205, the rotating rod 213 is inserted into the inside of the side supporting ring 206, and the supporting shaft 214 is moved to the top of the side supporting ring 206, then the rotating rod 213 is rotated by 180 degrees, at this time, the supporting shaft 214 can abut against the top of the side supporting ring 206, thereby bearing the closed valve body 1 below;

[0032] Secondly, when the valve body 101 is installed, the lifting rod 107 can be pulled upwards, so that the positioning shaft 108 is separated from the positioning hole 106, at this time, the installation disc 103 can be rotated relative to the adjusting ring 104, thereby rotating the installation disc 103 and the top frame 102, and the valve body 101 can be driven to rotate, so that the angle of the valve body 101 is adjusted, and the positioning and alignment of the valve body 101 during installation are facilitated.

[0033] The above describes one embodiment of the utility model in detail, but the content described can only be the preferred embodiment of the utility model, and cannot be considered as limiting the implementation range of the utility model. Any equivalent change and improvement within the application range of the utility model should still belong to the patent coverage range of the utility model.

Claims

1. A civil air defense airtight valve convenient to install, comprising an airtight valve body (1), a hoisting mechanism (2) is arranged above the airtight valve body (1); characterized in that The hoisting mechanism (2) comprises a mounting plate (201), the bottom surface of the mounting plate (201) is fixedly connected with movable rails (203) on both sides, the inner sides of the two movable rails (203) are slidably connected with movable blocks (204), and the bottom surface of the movable block (204) extends to the lower side of the movable rail (203). Wherein, the bottom surface of the two movable blocks (204) is rotatably connected with a support rod (209) between the middle portions of the bottom surfaces, and the outer wall of the support rod (209) is fixedly installed with winding wheels (210) on both sides, the outer wall of each winding wheel (210) is wound with a traction rope (211), and the bottom ends of the two traction ropes (211) are fixedly connected with hooks (212).

2. The civil defense sealing valve according to claim 1, wherein The airtight valve body (1) comprises a valve body (101), a top frame (102) is fixedly installed on the top surface of the valve body (101), an installation disc (103) is fixedly installed on the top surface of the top frame (102), an adjusting ring (104) is rotatably connected on the top surface of the installation disc (103), and lifting lugs (105) are fixedly connected on both sides of the top surface of the adjusting ring (104). Two hooks (212) are connected with the outer walls of the two lifting lugs (105) respectively, and a plurality of positioning holes (106) are formed in the top surface of the adjusting ring (104).

3. The civil defense airtight valve according to claim 2, wherein, An elevating rod (107) is slidably connected to one end of the installation disc (103) on the top surface and inside the adjusting ring (104), a positioning shaft (108) is fixedly connected to the upper end of the elevating rod (107), a spring (109) abuts against the outer wall of the lower end of the elevating rod (107), the other side of the spring (109) is fixedly connected with the inner wall of the installation disc (103), and the outer wall of the positioning shaft (108) is inserted into the positioning hole (106).

4. The civil defense airtight valve according to claim 3, wherein, Expansion bolts (202) are connected through the surface of the mounting plate (201) and located on both sides of each movable rail (203), a holding rod (207) is fixedly connected to the lower end of the movable block (204) on one side, a crank (208) is rotatably connected to the lower end of the movable block (204) on the other side, and the crank (208) passes through the movable block (204) at the pivot and is fixedly connected with the side wall of the support rod (209).

5. The civil defense airtight valve according to claim 4, wherein The outer wall of each hook (212) is rotatably connected with a rotating rod (213), the rotating rod (213) extends vertically upward at the end away from the hook (212), and a support shaft (214) is fixedly connected to one side of the top of the rotating rod (213).

6. The civil defense airtight valve according to claim 5, wherein Limiting cylinders (205) are fixedly connected to the bottom ends of the two movable blocks (204), and the inner sides of the two limiting cylinders (205) are respectively connected with each traction rope (211).

7. The civil defense airtight valve according to claim 6, wherein The side wall of the limiting cylinder (205) is fixedly connected with a side support ring (206) above the rotating rod (213) and the support shaft (214), the inside of the side support ring (206) is connected with the rotating rod (213) in penetration, and the bottom of the support shaft (214) is in movable contact with the top of the side support ring (206).

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