Ventilation valve of air leakage prevention structure

Abstract

The utility model discloses a vent valve with an air leakage prevention structure, which relates to the technical field of vent valves and comprises a valve body, a mounting cover is mounted at the top end of the valve body, connecting pipes are fixedly connected to two ends of the valve body, the vent valve further comprises an air leakage prevention mechanism, and the air leakage prevention mechanism comprises an auxiliary cylinder arranged outside the connecting pipes. A movable groove is formed in the auxiliary cylinder, a polygonal groove disc is rotatably connected to the interior of the movable groove, a sealing plate is slidably connected to one side of the polygonal groove disc, a connecting assembly used for assisting sliding is fixedly connected to one end of the sealing plate, and a guide disc is fixedly connected to the inner side of the movable groove. And the mounting mechanism is arranged on the inner side wall of the valve body and used for improving the mounting stability between the valve body and the mounting cover. The ventilation valve has the effect that the two ends of the ventilation valve can be subjected to auxiliary wind prevention in the auxiliary installation process of the ventilation valve.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation valve technical field especially relates to a ventilation valve of wind leakage prevention structure. BACKGROUND

[0002] Ventilation valve is a kind of equipment for controlling the direction, speed and flow of air flow, mainly used in ventilation system, and ventilation valve realizes the regulation and control of air quality by adjusting air flow and flow direction.

[0003] The patent file with disclosure number 202022591123.0 discloses a ventilation valve, which comprises a valve body, a rotating shaft fixedly connected to the inner side wall of the valve body, a wind baffle fixedly connected to the side wall of the rotating shaft, a rubber pad fixedly connected to the side wall of the wind baffle, an angle adjusting mechanism, a supporting mechanism and a lubricating mechanism fixedly connected to the upper wall of the valve body. The device is provided with a supporting mechanism and a lubricating mechanism, the supporting frame can provide support for the wind baffle, preventing the wind baffle from deforming due to excessive air pressure and causing the ventilation valve to fail. The lubricating mechanism injects lubricating oil through the oil injection port to lubricate the rubber pad on the side wall of the wind baffle, preventing the rubber pad from being damaged due to repeated friction with the side wall of the valve body and improving the service life of the ventilation valve. In addition, the lubricating oil also plays a sealing role, making the ventilation valve more airtight. Excess lubricating oil will flow out of the oil outlet, preventing it from flying out with the air flow.

[0004] The existing ventilation valve is prone to have air flowing into its interior through the disassembled end when one end of the ventilation valve is connected to the connecting pipeline during disassembly and assembly by the staff, thereby affecting the service life of the ventilation valve. UTILITY MODEL CONTENTS

[0005] The utility model discloses a ventilation valve with wind leakage prevention structure, which aims to solve the technical problem that the existing ventilation valve is prone to have air flowing into its interior through the disassembled end when one end of the ventilation valve is connected to the connecting pipeline during disassembly and assembly by the staff, thereby affecting the service life of the ventilation valve.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of ventilation valve of wind leakage prevention structure, including valve body, the top end of the valve body is equipped with installation cover, both ends of the valve body are fixedly connected with connecting pipe, further include wind leakage prevention mechanism: the auxiliary cylinder of the wind leakage prevention mechanism is arranged outside the connecting pipe, the inside of the auxiliary cylinder is equipped with movable slot, the inside of the movable slot is rotatably connected with polygonal slot disc, one side of the polygonal slot disc is slidably connected with sealing plate, one end of the sealing plate is fixedly connected with the connecting assembly for assisting sliding, the other end of the sealing plate is fixedly connected with sliding block, the inside of the movable slot is fixedly connected with guide disc;Mounting mechanism: the mounting mechanism is arranged in the inner side wall of the valve body, and the mounting mechanism is used to increase the installation stability between valve body and installation cover.

[0008] By setting wind leakage prevention mechanism, the staff can make the polygonal slot disc rotate in the movable slot, drive multiple sealing plates to slide, make the sliding block fixedly connected to one end of the multiple sealing plates slide in the guide groove on one side of the guide disc, so that the multiple sealing plates are mutually adhered and form a seal.

[0009] In a preferred scheme, the mounting mechanism includes an insertion frame arranged on the inner side wall of the valve body, the insertion strip is fixedly connected to the bottom corners of the installation cover, the clamping strip is rotatably connected to the inner side wall of the valve body, one end of the clamping strip is fixedly connected with a rotating shaft, and the rotating shaft is externally fixedly connected with a mounting assembly for assisting rotation.

[0010] By setting the mounting mechanism, the staff can insert the installation cover into the inside of the valve body, fix the two by using accessories, and at the same time, insert the insertion strip fixedly connected to the bottom corners of the installation cover into the inside of the insertion frame, so that the bottom end of the insertion strip can extrude the mounting assembly of the central shaft, the rotating shaft externally fixedly connected with the mounting assembly can be extruded and turned over, the clamping strip fixedly connected to one end of the rotating shaft can be turned over and clamped on the inner side of the insertion frame.

[0011] In a preferred scheme, the mounting assembly includes a circular arc block arranged at one end of the rotating shaft, and the circular arc block and the insertion strip are arranged on the same central shaft.

[0012] By setting the mounting assembly, the bottom end of the insertion strip can extrude the circular arc block.

[0013] In a preferred scheme, the connecting assembly includes a guide block arranged at one end of the sealing plate, and the guide block is slidably connected to the inner side of the polygonal slot disc.

[0014] By setting the connecting assembly, the guide block can slide along the guide track on the inner side of the polygonal slot disc.

[0015] In a preferred scheme, one side of the guide disc is uniformly provided with multiple groups of guide grooves, and the sliding block penetrates through the multiple groups of guide grooves.

[0016] By arranging multiple groups of guide grooves, multiple groups of sealing plates can slide simultaneously.

[0017] The utility model discloses a ventilating valve of wind leakage prevention structure has the following beneficial effects.

[0018] Firstly, by arranging the wind leakage prevention mechanism, the staff can make the polygonal groove disc rotate in the movable groove, drive multiple groups of sealing plates to slide, make the sliding block fixedly connected to one end of the multiple groups of sealing plates slide in the guide groove arranged on one side of the guide disc, make the multiple groups of sealing plates adhere to each other and form a seal, and assist in preventing wind at both ends of the ventilating valve during auxiliary installation of the ventilating valve.

[0019] Secondly, by arranging the mounting mechanism, the staff can insert the mounting cover into the inside of the valve body, fix and connect the two by using the accessory, insert the insertion strip fixedly connected to the bottom four corners of the mounting cover into the inside of the insertion frame, extrude the mounting assembly of the central shaft at the bottom end of the insertion strip, extrude and turn over the rotating shaft fixedly connected to the mounting assembly on the outside, turn over and clasp the clamping strip fixedly connected to one end of the rotating shaft on the inside of the insertion frame, and increase the mounting stability of the ventilating valve as a whole. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The utility model provides a ventilating valve of wind leakage prevention structure's shaft side view.

[0021] Figure 2 The utility model provides a ventilating valve of wind leakage prevention structure's side sectional view.

[0022] Figure 3 The utility model provides a ventilating valve of wind leakage prevention structure's another angle shaft side view.

[0023] Figure 4 The utility model provides a ventilating valve of wind leakage prevention structure's wind leakage prevention mechanism split drawing.

[0024] In the drawings, 1 is the valve body, 2 is the mounting cover, 3 is the connecting pipe, 4 is the auxiliary cylinder, 5 is the insertion frame, 6 is the rotating shaft, 7 is the circular block, 8 is the clamping strip, 9 is the insertion strip, 10 is the polygonal groove disc, 11 is the guide block, 12 is the guide disc, 13 is the sliding block, 14 is the sealing plate, 15 is the movable groove. DETAILED DESCRIPTION

[0025] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments.

[0026] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship 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 indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0027] The utility model discloses a kind of ventilation valves of wind leakage prevention structure mainly apply existing ventilation valve in the process of being disassembled by staff, when one end of ventilation valve and connecting pipeline are installed and connected, peripheral wind is easy to pour into the inside scene of ventilation valve through the disassembled end.

[0028] With reference to Figure 1 , Figure 2 , Figure 3 And Figure 4 , a kind of ventilation valves of wind leakage prevention structure, including valve body 1, installation cover 2 is installed at the top end of valve body 1, both ends of valve body 1 are fixedly connected with connecting pipe 3, further include wind leakage prevention mechanism: wind leakage prevention mechanism includes the auxiliary cylinder 4 being set at the outside of connecting pipe 3, the inside of auxiliary cylinder 4 is equipped with movable groove 15, movable groove 15 is rotatably connected with polygonal groove disc 10 in the inside, one side of polygonal groove disc 10 is slidably connected with sealing plate 14, one end of sealing plate 14 is fixedly connected with the connecting assembly for assisting sliding, the other end of sealing plate 14 is fixedly connected with sliding block 13, the inside of movable groove 15 is fixedly connected with guide disc 12;Mounting mechanism: mounting mechanism is set at the inner side wall of valve body 1, and mounting mechanism is used to increase the installation stability between valve body 1 and installation cover 2.

[0029] In the scheme, when staff installs ventilation valve, staff can make the sliding of multiple sealing plates 14 by rotating polygonal groove disc 10 in clockwise direction in the process of rotating polygonal groove disc 10 in movable groove 15, so that sliding block 13 fixedly connected with one end of multiple sealing plates 14 is guided and slides in the guide groove set on one side of guide disc 12, so that multiple sealing plates 14 are mutually adhered and form sealing, and the installation stability of ventilation valve as a whole can be increased by setting mounting mechanism.

[0030] Among them, with reference to Figure 1 And Figure 2In a preferred embodiment, the mounting mechanism comprises a plug frame 5 arranged on the inner side wall of the valve body 1, the mounting cover 2 is fixedly connected with a plug strip 9 at the bottom end of the four corners, the inner side wall of the valve body 1 is rotatably connected with a clamping strip 8, one end of the clamping strip 8 is fixedly connected with a rotating shaft 6, and the outer part of the rotating shaft 6 is fixedly connected with a mounting assembly for assisting rotation.

[0031] In this scheme, by arranging the mounting mechanism, the staff inserts the mounting cover 2 into the inside of the valve body 1, and fixes and connects the two by using the accessories, and at the same time, the plug strip 9 fixedly connected at the bottom of the four corners of the mounting cover 2 is inserted into the inside of the plug frame 5, so that the bottom end of the plug strip 9 can extrude the mounting assembly of the center shaft at the same time, the rotating shaft 6 fixedly connected with the mounting assembly on the outside can be extruded and turned over, and the clamping strip 8 fixedly connected at one end of the rotating shaft 6 can be turned over and clamped on the inside of the plug frame 5.

[0032] Further, referring to Figure 2 and Figure 3 In a preferred embodiment, the mounting assembly comprises a circular arc block 7 arranged at one end of the rotating shaft 6, and the circular arc block 7 and the plug strip 9 are arranged on the same center shaft. By arranging the mounting assembly, the bottom end of the plug strip 9 can extrude the circular arc block 7.

[0033] Among them, referring to Figure 3 and Figure 4 In a preferred embodiment, the connecting assembly comprises a guide block 11 arranged at one end of the sealing plate 14, and the guide block 11 is slidingly connected to the inside of the polygonal groove disc 10. By arranging the connecting assembly, the guide block 11 can slide along the guide track on the inside of the polygonal groove disc 10.

[0034] Further, referring to Figure 1 and Figure 4 In a preferred embodiment, a plurality of guide grooves are uniformly arranged on one side of the guide disc 12, and the sliding block 13 penetrates the plurality of guide grooves. By arranging the plurality of guide grooves, the plurality of sealing plates 14 can slide simultaneously.

[0035] Working principle: when the staff installs the ventilation valve;

[0036] Firstly, the staff rotates the polygonal groove disc 10 clockwise, which can drive the plurality of sealing plates 14 to slide during the rotation of the polygonal groove disc 10 in the movable groove 15, so that the sliding block 13 fixedly connected at one end of the plurality of sealing plates 14 can slide in the guide groove arranged on one side of the guide disc 12, and the plurality of sealing plates 14 can be mutually adhered and sealed.

[0037] Then, the staff inserts the installation cover 2 into the inside of the valve body 1, and fixes and connects them by using the accessories, at the same time, the insertion strip 9 fixed and connected at the bottom of the four corners of the installation cover 2 is inserted into the inside of the insertion frame 5, the bottom end of the insertion strip 9 can extrude the installation assembly of the center shaft, the rotating shaft 6 fixed and connected with the installation assembly can be extruded and turned over, the clamping strip 8 fixed and connected at one end of the rotating shaft 6 can be turned over and clamped in the inside of the insertion frame 5.

[0038] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. The replacement can be the replacement of part of the structure, device, method step, or the complete technical solution. According to the technical solution and the utility model concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.

Claims

1. A wind leakage prevention structure of a ventilation valve, comprising a valve body (1), a mounting cover (2) is mounted at the top end of the valve body (1), and a connecting pipe (3) is fixedly connected to each end of the valve body (1), characterized in that, Also include: The anti-wind leakage mechanism includes an auxiliary cylinder (4) arranged outside the connecting pipe (3), an active groove (15) is arranged in the auxiliary cylinder (4), a polygonal groove disc (10) is rotatably connected in the active groove (15), a sealing plate (14) is slidably connected on one side of the polygonal groove disc (10), a connecting assembly for assisting sliding is fixedly connected to one end of the sealing plate (14), a sliding block (13) is fixedly connected to the other end of the sealing plate (14), and a guide disc (12) is fixedly connected to the inner side of the active groove (15). The mounting mechanism is arranged on the inner side wall of the valve body (1), and is used for increasing the mounting stability between the valve body (1) and the mounting cover (2).

2. A windbox according to claim 1, wherein, The mounting mechanism includes an insertion frame (5) arranged on the inner side wall of the valve body (1), insertion strips (9) are fixedly connected to the bottom corners of the mounting cover (2), clamping strips (8) are rotatably connected to the inner side wall of the valve body (1), one end of the clamping strip (8) is fixedly connected with a rotating shaft (6), and an installation assembly for assisting rotation is fixedly connected to the outer side of the rotating shaft (6).

3. A windbox according to claim 2, wherein, The installation assembly includes an arc block (7) arranged at one end of the rotating shaft (6), and the arc block (7) and the insertion strip (9) are arranged on the same central axis.

4. A windbox according to claim 2, wherein, The insertion strip (9) is slidably connected in the insertion frame (5), and the number of clamping strips (8) is four.

5. A windbox according to claim 1, wherein, The connecting assembly includes a guide block (11) arranged at one end of the sealing plate (14), and the guide block (11) is slidably connected to the inner side of the polygonal groove disc (10).

6. A windbox according to claim 1, wherein, A plurality of guide grooves are uniformly arranged on one side of the guide disc (12), and the sliding block (13) penetrates through the plurality of guide grooves.

7. A windbox according to claim 1, wherein, One end of the polygonal groove disc (10) penetrates through the outside of the auxiliary cylinder (4) through the active groove (15).

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