Air valve plate limiter

Abstract

The utility model discloses an air valve plate limiter which comprises a valve plate fixing assembly and a limiting assembly which are arranged at the connecting position of air valve shells on the two sides, and valve plates on the two sides are fixed through the valve plate fixing assembly respectively. A mounting groove is formed in one side of the joint of the air valve shell, and a first fixing hole is formed in the mounting groove; the valve plate fixing assembly comprises a fixing plate, a plurality of first valve plate fixing holes are formed in the fixing plate, a plurality of second valve plate fixing holes are formed in the valve plate, and a rotating shaft is further fixed to the fixing plate. The limiting assembly comprises a fixing base, a second fixing hole is formed in the fixing base, and a rotating hole is formed in the fixing base. Through the arrangement of the limiting check block, the valve plate can be accurately prevented from continuously rotating, so that the valve plate is prevented from excessively rotating, the valve plates on the two sides are prevented from colliding with each other, the planes arranged on the two sides of the limiting check block can increase the contact area when the valve plate collides with the check block, and the using effect of the valve plate is further guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of wind valve flap limiters. BACKGROUND

[0002] Wind valve is the important component in ventilation system, mainly for controlling the flow, flow direction and pressure etc. of air in ventilation duct, by changing the opening of wind valve, the air volume through air duct can be adjusted to meet different ventilation needs, wind valve is divided into butterfly valve, multi-leaf valve, plug valve according to structure, among them, butterfly valve controls the opening and closing degree of air duct by rotating valve flap.

[0003] At present, most butterfly valves adopt single valve flap or double valve flap to control air flow, among them, double valve flap usually rotates around central axis, opens and closes on both sides, which increases opening and closing amplitude to a certain extent, when the wind speed in ventilation duct is large, it can cause the rotation degree of double valve flap of butterfly valve to be too large, so that one side of valve flap rotates excessively and affects the opening and closing of the other side of valve flap, which leads to poor ventilation effect, even the valve flaps on both sides interfere with each other and collide, causing valve flap damage, affecting the quality of wind valve and increasing maintenance cost.

[0004] Therefore, it is necessary to invent a kind of wind valve flap limiter to solve the above problems. CONTENT OF UTILITY MODEL

[0005] (I) purpose of utility model

[0006] To solve the technical problems in the background art, the utility model provides a kind of wind valve flap limiter, which has valve flap limiting effect.

[0007] (II) technical scheme

[0008] In order to achieve the above purpose, the utility model provides the following technical scheme: a kind of wind valve flap limiter, including valve flap fixing assembly and limiting assembly arranged at the connecting place of two sides of wind valve shell, the valve flap fixing assembly is fixed with two sides of valve flap respectively, the limiting assembly is provided with two groups, and is arranged at the two ends of the valve flap fixing assembly respectively, and is fixed on the wind valve shell;

[0009] The wind valve shell is divided into two groups, and the connecting place of two groups is provided with mounting slot on one side, the mounting slot is provided with fixed hole one in it;

[0010] The valve flap fixing assembly includes fixed plate, the fixed plate is provided with a plurality of valve flap fixing holes one, the valve flap is provided with a plurality of valve flap fixing holes two correspondingly, the fixed plate is further provided with rotating shaft, and the rotating shaft is connected in the limiting assembly at both ends respectively;

[0011] The limiting assembly comprises a fixed base, the fixed base is correspondingly installed in the installation slot, and a second fixed hole is arranged on the fixed base and connected with the first fixed hole on both sides, a rotating hole is arranged in the fixed base, the rotating hole is correspondingly installed with the rotating shaft, and a limiting block extending towards the valve plate is arranged on one side of the fixed base.

[0012] Preferably, the fixed plate is fixed on the edge of the valve plate, a plurality of bolts are arranged between the first fixed hole and the second fixed hole of the valve plate, the fixed plate is L-shaped as a whole, the rotating shaft is welded at the bending part of the fixed plate, and the valve plate rotates around the rotating shaft.

[0013] Preferably, the second fixed hole is provided with two groups, and is correspondingly matched with the first fixed hole in the installation slot on both sides, that is, the fixed base is fixed in the installation slot by matching the second fixed hole and the first fixed hole through bolts.

[0014] Preferably, the two groups of rotating holes arranged below the fixed base are correspondingly matched with the rotating shaft on both sides, that is, the two valve plates rotate independently, and an insertion slot is further arranged at the end of the rotating hole in the fixed base, an insertion plate is arranged in the insertion slot, and the insertion plate limits the movement of the rotating shaft.

[0015] Preferably, the limiting block is arranged at the maximum rotating position in the same plane of the valve plates on both sides, and the two sides are flat and internally provided with a weight-reducing groove, and a lifting hole is further arranged on the limiting block.

[0016] Compared with the prior art, the beneficial effects of the above technical scheme of the utility model are:

[0017] 1. The limiting block can accurately prevent the valve plate from continuing to rotate, thereby preventing excessive rotation and avoiding mutual collision of the valve plates on both sides, and the flat surfaces arranged on both sides of the limiting block can increase the contact area when the valve plate hits the block, thereby further ensuring the use effect of the valve plate.

[0018] 2. The entire limiting device in the utility model is composed of a valve plate fixing assembly and a limiting assembly, and if a component fails during use, the corresponding component can be individually repaired or replaced, without the need to disassemble the entire limiting device, thereby reducing the maintenance cost and difficulty. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention installed on the valve housing;

[0021] Figure 2 This is a schematic diagram of part of the connection structure of this utility model;

[0022] Figure 3 This is a partial structural breakdown diagram of the present invention;

[0023] Figure 4 This is a schematic diagram of the connection structure between the limiting component and the rotating shaft of this utility model;

[0024] Figure 5 This is a schematic diagram of the limiting component structure of this utility model.

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Air valve housing; 11. Mounting groove; 12. Fixing hole one; 2. Valve plate fixing assembly; 21. Fixing plate; 22. Valve plate fixing hole one; 23. Rotating shaft; 3. Limiting assembly; 31. Fixing base; 32. Fixing hole two; 33. Rotating hole; 34. Limiting block; 341. Weight reduction groove; 342. Lifting hole; 35. Slot; 36. Insert plate; 4. Valve plate; 41. Valve plate fixing hole two. Detailed Implementation

[0027] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0028] This utility model provides, for example Figures 1-5 The valve plate limiter shown includes a valve plate fixing assembly 2 and a limiting assembly 3 disposed at the connection of the two sides of the valve housing 1. The valve plate fixing assembly 2 fixes the valve plates 4 on both sides respectively. The limiting assembly 3 is provided in two sets and is disposed at both ends of the valve plate fixing assembly 2 and fixed on the valve housing 1.

[0029] Specifically, the air valve housing 1 is divided into two groups, and each group has a mounting groove 11 on one side of the connection point, and a fixing hole 12 is provided in the mounting groove 11.

[0030] Reference Figures 2-3 The valve plate fixing assembly 2 includes a fixing plate 21, which has multiple valve plate fixing holes 22, and the valve plate 4 has multiple valve plate fixing holes 41. A rotating shaft 23 is also fixed on the fixing plate 21, and the two ends of the rotating shaft 23 are respectively connected to the limiting assembly 3.

[0031] Reference Figures 4-5The limiting assembly 3 includes a fixed base 31, which is correspondingly installed in the mounting groove 11, and is provided with a fixed hole two 32 connecting the two side fixed holes one 12. The fixed base 31 is provided with a rotating hole 33, which is correspondingly installed with the rotating shaft 23. The fixed base 31 extends a limiting block 34 towards the valve plate 4 on one side.

[0032] In this embodiment, the air valve shell 1 is divided into two groups, and the connecting part of each group is provided with a mounting groove 11. The fixed hole one 12 in the mounting groove 11 is used for connecting and fixing the components. The valve plate fixing assembly 2 includes an L-shaped fixed plate 21, which is connected with the valve plate fixing hole two 41 of the valve plate 4 through the valve plate fixing hole one 22, and is fixed by using a bolt, so as to fix the valve plate 4 on the air valve shell 1. The bending part of the fixed plate 21 is welded with a rotating shaft 23, and the two ends of the rotating shaft 23 are connected into the rotating hole 33 of the limiting assembly 3, so as to allow the valve plate 4 to rotate around the rotating shaft 23.

[0033] In this embodiment, the fixed base 31 of the limiting assembly 3 is installed in the mounting groove 11 of the air valve shell, and the fixed hole two 32 of the fixed base 31 is correspondingly fixed with the fixed hole one 12 of the mounting groove 11 by a bolt. The rotating hole 33 of the fixed base 31 is correspondingly installed with the rotating shaft 23, and the fixed base 31 is further provided with a slot 35, and the plug plate 36 in the slot 35 is used to limit the movement of the rotating shaft 23, so as to ensure the stability and accuracy of the rotation. The limiting block 34 is arranged on one side of the fixed base 31 and faces the valve plate 4, and is set at the maximum rotation position of the valve plate 4, so as to limit the rotation angle of the valve plate 4 and prevent mechanical damage or performance problems caused by excessive rotation.

[0034] Specifically, the fixed plate 21 is fixed on the edge of the valve plate 4, and a plurality of bolts are arranged between the valve plate fixing hole one 22 and the valve plate fixing hole two 41. The fixed plate 21 is L-shaped, and the bending part of the fixed plate 21 is welded with the rotating shaft 23, that is, the valve plate 4 rotates around the rotating shaft 23.

[0035] Specifically, the fixed hole two 32 is provided with two groups, and is correspondingly arranged with the fixed hole one 12 in the two side mounting grooves 11, that is, the fixed base 31 is fixed in the mounting groove 11 by matching the fixed hole two 32 and the fixed hole one 12 through a bolt.

[0036] Specifically, the two groups of rotating holes 33 arranged below the fixed base 31 correspond to the two side rotating shafts 23, that is, the two side valve plates 4 rotate independently. The end part of the rotating hole 33 in the fixed base 31 is further provided with a slot 35, and the slot 35 is provided with a plug plate 36. The plug plate 36 limits the movement of the rotating shaft 23.

[0037] Specifically, the limiting block 34 is arranged at the maximum rotation position in the same plane of the two side valve plates 4, and the two sides are flat, and the inside is provided with a weight-reducing groove 341. The limiting block 34 is further provided with a lifting hole 342.

[0038] In this embodiment, the precise design of the limiting assembly effectively controls the opening and closing angle of the valve plate 4, achieving precise regulation of air volume or other medium flow. The fixation of both ends of the rotating shaft 23 and the limiting effect of the plug 36 ensure stability and reliability during rotation, reducing the risk of mechanical failure. The lifting hole 342 and the weight-reducing groove 341 in the design not only facilitate the installation and maintenance of the limiting block 34, but also help to reduce the weight of the overall structure and simplify the operation process.

[0039] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. A wind valve vane limiter characterized by: It includes the valve piece fixed assembly (2) and the limiting assembly (3) arranged at the connecting place of the two side air valve housings (1), the valve piece fixed assembly (2) is fixed with the two side valve pieces (4) respectively, the limiting assembly (3) is provided with two groups and is arranged at the two ends of the valve piece fixed assembly (2) respectively and is fixed on the air valve housing (1); The air valve housing (1) is divided into two groups, one side of the connecting place of the two groups is provided with a mounting groove (11), and the mounting groove (11) is provided with a fixed hole one (12); The valve piece fixed assembly (2) includes a fixed plate (21), a plurality of valve piece fixed hole ones (22) are arranged on the fixed plate (21), a plurality of valve piece fixed hole twos (41) are correspondingly arranged on the valve piece (4), and a rotating shaft (23) is further fixed on the fixed plate (21), and the two ends of the rotating shaft (23) are connected in the limiting assembly (3) respectively; The limiting assembly (3) includes a fixed base (31), the fixed base (31) is correspondingly mounted in the mounting groove (11), and a fixed hole two (32) connecting the two side fixed hole ones (12) is arranged on the fixed base (31), a rotating hole (33) is arranged in the fixed base (31), the rotating hole (33) is correspondingly mounted on the rotating shaft (23), and a limiting block (34) extending towards the valve piece (4) is arranged on one side of the fixed base (31).

2. A wind valve vane limiter as claimed in claim 1, wherein: The fixed plate (21) is fixed on the edge of the valve piece (4), a plurality of bolts are arranged between the valve piece fixed hole one (22) and the valve piece fixed hole two (41), the fixed plate (21) is L-shaped as a whole, the rotating shaft (23) is welded at the bending part of the fixed plate (21), namely the valve piece (4) rotates around the rotating shaft (23).

3. A wind valve vane limiter as defined in claim 1, wherein: The fixed hole two (32) is provided with two groups and is correspondingly arranged in the fixed hole one (12) in the mounting groove (11) on the two sides, namely the fixed base (31) is fixed in the mounting groove (11) by matching the fixed hole two (32) and the fixed hole one (12) through bolts.

4. A wind valve vane limiter as defined in claim 1, wherein: The two groups of rotating holes (33) arranged below the fixed base (31) correspond to the rotating shaft (23) on the two sides, namely the two side valve pieces (4) rotate independently, and an insertion slot (35) is further arranged at the end of the rotating hole (33) in the fixed base (31), an insertion plate (36) is arranged in the insertion slot (35), and the insertion plate (36) limits the movement of the rotating shaft (23).

5. A wind valve vane limiter as defined in claim 1, wherein: The limiting block (34) is arranged at the maximum rotating position in the same plane of the two side valve pieces (4), and the two sides are planes, a lightening groove (341) is arranged in the limiting block (34), and a lifting hole (342) is further arranged on the limiting block (34).

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