ABS variable air volume venturi valve

Abstract

The utility model discloses an ABS variable air volume venturi valve, and relates to the technical field of venturi valves. The ABS variable air volume venturi valve comprises a venturi valve body, and the two ends of the venturi valve body are each fixedly provided with a connecting pipe connected with an air pipe; the connecting assembly is used for rapidly connecting the connecting pipe and the air pipe, the connecting assembly comprises a fixing ring fixedly arranged on the outer surface of the connecting pipe, an annular cavity is formed in the inner wall of the fixing ring, and a plurality of threaded columns are rotationally arranged on the inner wall of the annular cavity in a circumferential array mode; and a plurality of sliding openings corresponding to the threaded columns are formed in the inner side wall of the annular cavity. According to the venturi valve, the connecting assembly is arranged, so that in the actual installation process of the venturi valve, the venturi valve and an air pipe can be rapidly installed, and the venturi valve can be connected with air pipes of different sizes; and meanwhile, the purpose of effectively sealing the connecting position of the connecting pipe and the air pipe can be achieved, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of venturi valves, in particular to an ABS variable air volume venturi valve. Background Art

[0002] A variable air volume Venturi valve can control the air flow rate in a closed loop by responding to instructions in less than 1 second and by a flow feedback signal. An existing patent is a Venturi variable air volume valve, with patent publication number CN214662367U, which includes a valve body, a valve stem, a valve core and a drive device, wherein the drive device is fixed to the outer side of the valve body, the valve stem is relatively fixed in the valve body by brackets arranged at both ends thereof, the valve core is arranged at one end or the middle position of the valve stem, the drive device forms a driving connection with the valve stem, and is used to drive the valve core to move axially, the bracket includes a fixed block and a plurality of support rods fixedly connected to the edge of the fixed block, the free end of each support rod is fixedly connected to the inner side of the valve body, a through hole is arranged in the middle of the fixed block, a bearing is fixed in the through hole, and the support rod passes through the bearings at both ends thereof. The utility model avoids the problem of stuck or inaccurate valve core positioning, and at the same time has good sealing performance between the bearing and the valve stem, avoiding dust particles in the gas from entering the inner ring of the bearing, so that the valve has higher accuracy in controlling the air volume when adjusting the variable air volume.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: during the actual installation process of the venturi variable air volume valve, it lacks a corresponding connection structure to connect with the air duct, resulting in cumbersome operation during the connection.

[0004] Therefore, we proposed an ABS variable air volume Venturi valve to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an ABS variable air volume Venturi valve, which solves the problem of difficulty in connecting the Venturi valve with an air duct.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: an ABS variable air volume venturi valve, comprising:

[0007] A venturi valve body, both ends of which are fixedly provided with connecting pipes connected to the air duct;

[0008] A connection assembly, which is used to quickly connect a connection pipe with an air duct, the connection assembly includes a fixing ring fixed on the outer surface of the connection pipe, and the inner wall of the fixing ring is provided with an annular cavity, the inner wall of the annular cavity is provided with a plurality of threaded columns rotatably arranged in a circumferential array, and the inner side wall of the annular cavity is provided with a plurality of sliding openings corresponding to the threaded columns, the inner wall of the sliding opening is slidably provided with a sliding plate, and the surface of the sliding plate is provided with a threaded hole threadedly connected to the outer surface of the threaded column, the outer surface of the end of the sliding plate is fixed with a semi-cylindrical rubber pad for pressing against the inner wall of the air duct, the outer surface of the fixing ring is provided with a rotating ring for driving the plurality of threaded columns to rotate simultaneously, and the cross-sectional shape of the rotating ring is L-shaped;

[0009] The sealing assembly is used to seal the connection between the connecting pipe and the air duct.

[0010] Preferably, the inner wall of the annular cavity is provided with an annular opening, and the outer surface of the rotating ring is rotatably connected to the inner wall of the annular opening, and an operating ring for facilitating the rotation of the rotating ring is fixedly provided on the outer surface of the rotating ring via a connecting column.

[0011] Preferably, gears are fixedly disposed on the outer surfaces of the top ends of the plurality of threaded columns, and an annular gear plate meshing with the plurality of gears is fixedly disposed on the outer surface of the rotating ring.

[0012] Preferably, two symmetrical limiting sliding rods are fixedly provided on the inner wall of the sliding opening, and a sliding hole slidably connected to the outer surfaces of the two limiting sliding rods is opened on the surface of the sliding plate.

[0013] Preferably, the sealing assembly includes an annular inflatable airbag fixedly mounted on the inner wall of the annular cavity, and an annular sealing airbag fixedly mounted on the outer surface of the end of the connecting pipe.

[0014] Preferably, the surface of the sliding plate is fixedly connected to the inner annular surface of the annular inflatable airbag, and the inner wall of the annular inflatable airbag is fixedly provided with a return spring corresponding to the sliding plate.

[0015] Preferably, an inner wall of the annular inflatable airbag is embedded with an inflation tube that penetrates the sliding plate and extends to the interior of the annular sealing airbag.

[0016] Beneficial Effects

[0017] The utility model provides an ABS variable air volume venturi valve. Compared with the prior art, it has the following advantages:

[0018] Beneficial effects:

[0019] The ABS variable air volume Venturi valve, by providing a connecting component, enables the Venturi valve and the air duct to be quickly installed during the actual installation process, and the Venturi valve can be connected to air ducts of different sizes; at the same time, the connection between the connecting pipe and the air duct can be effectively sealed, and the ABS variable air volume Venturi valve is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the separation structure of the connecting pipe and the air duct of the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the connecting pipe of the utility model;

[0023] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0024] In the figure:

[0025] 100. Venturi valve body;

[0026] 200, air duct;

[0027] 300, connecting pipe;

[0028] 400, connecting assembly; 401, fixing ring; 402, threaded column; 403, sliding plate; 404, semi-cylindrical rubber pad; 405, rotating ring; 406, operating ring; 407, gear; 408, annular gear plate; 409, limit slide rod;

[0029] 500, sealing assembly; 501, annular inflatable airbag; 502, annular sealing airbag; 503, return spring; 504, inflation tube. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-4 The utility model provides a technical solution: an ABS variable air volume Venturi valve, comprising:

[0032] The Venturi valve body 100, both ends of the Venturi valve body 100 are fixed with connecting pipes 300 connected to the air duct 200, wherein the material used in the production of the Venturi valve body 100 is ABS;

[0033] The connecting component 400 is used for quickly connecting the connecting pipe 300 with the air duct 200. The connecting component 400 includes a fixing ring 401 fixed on the outer surface of the connecting pipe 300, and the inner wall of the fixing ring 401 is provided with an annular cavity, the inner wall of the annular cavity is provided with a plurality of threaded columns 402 rotating in a circular array, and the inner side wall of the annular cavity is provided with a plurality of sliding openings corresponding to the threaded columns 402, the inner wall of the sliding opening is slidingly provided with a sliding plate 403, and the surface of the sliding plate 403 is provided with a threaded hole threadedly connected to the outer surface of the threaded column 402, the outer surface of the end of the sliding plate 403 is fixed with a semi-cylindrical rubber pad 404 for pressing against the inner wall of the air duct 200, the inner wall of the sliding opening is fixed with two symmetrical limiting sliding rods 409, and the surface of the sliding plate 403 is provided with a sliding hole slidably connected to the outer surfaces of the two limiting sliding rods 409.

[0034] The outer surface of the fixed ring 401 is provided with a rotating ring 405 for driving a plurality of threaded columns 402 to rotate simultaneously, and the cross-sectional shape of the rotating ring 405 is L-shaped;

[0035] The inner wall of the annular cavity is provided with an annular opening, and the outer surface of the rotating ring 405 is rotatably connected to the inner wall of the annular opening. The outer surface of the rotating ring 405 is fixed with an operating ring 406 via a connecting column for facilitating the rotation of the rotating ring 405, so that the rotating ring 405 can be quickly rotated by rotating the operating ring 406.

[0036] Gears 407 are fixedly disposed on the outer surfaces of the top ends of the plurality of threaded posts 402 , and an annular toothed plate 408 meshing with the plurality of gears 407 is fixedly disposed on the outer surface of the rotating ring 405 , so that the rotation of the rotating ring 405 can drive the plurality of threaded posts 402 to rotate simultaneously.

[0037] In this embodiment, by providing a connecting assembly 400, the Venturi valve can be installed by rotating the rotating ring 405 through the operating ring 406, so that several semi-cylindrical rubber pads 404 are pressed against the inner bottom wall of the air duct 200, thereby achieving a quick connection between the connecting pipe 300 and the air duct 200, thereby achieving a quick installation of the Venturi valve and the air duct 200.

[0038] Embodiment 2

[0039] On the basis of the first embodiment, and different from the first embodiment,

[0040] An ABS variable air volume venturi valve, further comprising:

[0041] The sealing assembly 500 is used to seal the connection between the connecting pipe 300 and the air duct 200 .

[0042] The sealing assembly 500 includes an annular inflatable airbag 501 fixed on the inner wall of the annular cavity and an annular sealing airbag 502 fixed on the outer surface of the end of the connecting pipe 300 , which can seal the connection between the air duct 200 and the connecting pipe 300 .

[0043] The surface of the sliding plate 403 is fixedly connected to the inner ring surface of the annular inflatable airbag 501, and the inner wall of the annular inflatable airbag 501 is fixedly provided with a reset spring 503 corresponding to the sliding plate 403, which can automatically reset the annular inflatable airbag 501 during disassembly to facilitate the next installation.

[0044] An inflation tube 504 is embedded in the inner wall of the annular inflatable airbag 501 and penetrates the sliding plate 403 and extends to the inside of the annular sealing airbag 502 .

[0045] In this embodiment, by setting up a sealing component 500, when several sliding plates 403 move outward, the annular inflatable airbag 501 can be squeezed, so that the gas in the annular inflatable airbag 501 enters the annular sealing airbag 502 through the inflation tube 504, so that the outer ring surface of the annular sealing airbag 502 is pressed against the inner wall of the air duct 200, thereby achieving the purpose of effectively sealing the connection between the connecting tube 300 and the air duct 200, and the practicality is strong.

[0046] When working, during the actual installation process of the Venturi valve, the connecting pipe 300 can be inserted into the air duct 200, and the rotating ring 405 can be rotated by the operating ring 406. The rotation of the rotating ring 405 drives a plurality of gears 407 to rotate simultaneously under the action of the annular toothed plate 408. The rotation of the gear 407 drives the threaded column 402 to rotate, and the rotating sliding plate 403 of the threaded column 402 moves, so that the plurality of sliding plates 403 move outward at the same time, so that the plurality of semi-cylindrical rubber pads 404 are pressed against the inner bottom wall of the air duct 200, so as to realize the quick connection between the connecting pipe 300 and the air duct 200. Quick connection, thereby achieving rapid installation of the Venturi valve and the air duct 200, and the Venturi valve can be connected to air ducts 200 of different sizes. At the same time, when the plurality of sliding plates 403 move outward, the plurality of sliding plates 403 can simultaneously squeeze the annular inflatable airbag 501, so that the gas in the annular inflatable airbag 501 enters the annular sealing airbag 502 through the inflation tube 504, so that the outer ring surface of the annular sealing airbag 502 is pressed against the inner wall of the air duct 200, thereby achieving the purpose of effectively sealing the connection between the connecting pipe 300 and the air duct 200.

[0047] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. An ABS variable air volume Venturi valve, characterized in that: include, A venturi valve body (100), wherein both ends of the venturi valve body (100) are fixedly provided with connecting pipes (300) connected to the air duct (200); A connection assembly (400) is used to quickly connect a connection pipe (300) to an air duct (200), the connection assembly (400) comprising a fixing ring (401) fixedly mounted on the outer surface of the connection pipe (300), the inner wall of the fixing ring (401) being provided with an annular cavity, the inner wall of the annular cavity being provided with a plurality of threaded columns (402) rotating in a circular array, and the inner side wall of the annular cavity being provided with a plurality of sliding openings corresponding to the threaded columns (402), the inner side wall of the sliding openings being provided with a plurality of threaded columns (402) rotating in a circular array. The wall slide is provided with a sliding plate (403), and a threaded hole is provided on the surface of the sliding plate (403) for threaded connection with the outer surface of the threaded column (402), a semi-cylindrical rubber pad (404) for pressing against the inner wall of the air duct (200) is fixed on the outer surface of the end of the sliding plate (403), and a rotating ring (405) for driving a plurality of threaded columns (402) to rotate simultaneously is provided on the outer surface of the fixing ring (401), and the cross-sectional shape of the rotating ring (405) is L-shaped; A sealing assembly (500) is used to seal the connection between the connecting pipe (300) and the air duct (200).

2. The ABS variable air volume Venturi valve according to claim 1, characterized in that: The inner wall of the annular cavity is provided with an annular opening, and the outer surface of the rotating ring (405) is rotatably connected to the inner wall of the annular opening. The outer surface of the rotating ring (405) is fixed with an operating ring (406) via a connecting column for facilitating the rotation of the rotating ring (405).

3. The ABS variable air volume Venturi valve according to claim 2, characterized in that: Gears (407) are fixedly disposed on the outer surfaces of the top ends of the plurality of threaded columns (402), and an annular toothed plate (408) meshing with the plurality of gears (407) is fixedly disposed on the outer surface of the rotating ring (405).

4. The ABS variable air volume Venturi valve according to claim 1, characterized in that: Two symmetrical limiting sliding rods (409) are fixedly arranged on the inner wall of the sliding opening, and a sliding hole slidably connected to the outer surfaces of the two limiting sliding rods (409) is opened on the surface of the sliding plate (403).

5. The ABS variable air volume Venturi valve according to claim 1, characterized in that: The sealing assembly (500) comprises an annular inflatable airbag (501) fixedly arranged on the inner wall of the annular cavity, and an annular sealing airbag (502) fixedly arranged on the outer surface of the end of the connecting pipe (300).

6. The ABS variable air volume Venturi valve according to claim 5, characterized in that: The surface of the sliding plate (403) is fixedly connected to the inner annular surface of the annular inflatable airbag (501), and the inner wall of the annular inflatable airbag (501) is fixedly provided with a return spring (503) corresponding to the sliding plate (403).

7. The ABS variable air volume Venturi valve according to claim 6, characterized in that: The inner wall of the annular inflatable airbag (501) is embedded with an inflatable tube (504) that penetrates the sliding plate (403) and extends to the inside of the annular sealing airbag (502).

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