Integrated interlocking fresh air and return air proportion adjusting air valve

Abstract

The utility model discloses an integrated interlocking fresh air and return air proportion adjusting air valve, which relates to the technical field of air conditioning equipment and comprises a valve body, air inlets are arranged on two sides, close to each other, of the valve body, air inlet pipes are fixedly mounted at the air inlets on two sides of the valve body, dust screens are detachably mounted in the two air inlet pipes, and the dust screens are fixedly mounted in the valve body. Cross-shaped limiting rods are fixedly installed in the two air inlet pipes correspondingly, the dustproof nets can make contact with the corresponding cross-shaped limiting rods, an air outlet pipe is fixedly installed on one side of the valve body, sliding grooves are fixedly formed in the upper end and the lower end in the valve body correspondingly, chain plate type baffles are slidably installed in the two sliding grooves, and a driving assembly is installed in the valve body. By arranging the driving assembly and the chain plate type baffle, the driving assembly can be used for driving the chain plate type baffle to slide in the sliding groove according to the actual situation, the two air inlets are blocked, and the air inlet proportion of fresh air and return air is adjusted; therefore, the purpose of accurately adjusting the air inlet proportion of the fresh air and the return air is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning equipment, in particular to an integrated interlocking fresh air and return air ratio regulating air valve. Background Art

[0002] In the air conditioning system, fresh air is usually fresh air from the outside. In order to reduce the energy consumption of the air conditioning unit, return air regulation is also introduced in the air conditioning system. Return air is the reuse of indoor air. During regulation, indoor air and outdoor fresh air are mixed at a certain fresh air ratio, processed, and sent into the air-conditioned room through the air supply duct. The supply air takes away the indoor heat and humidity load. Part of it is discharged through the exhaust duct, and the other part continues to mix with the fresh air as return air, and this cycle continues.

[0003] When existing air conditioning equipment adjusts the ratio of fresh air and return air, two air volume regulating valves are usually used to complete the adjustment. This easily leads to low accuracy during adjustment. In view of the above problems, the inventor proposes an integrated interlocking fresh and return air ratio regulating air valve to solve the above problems. Utility Model Content

[0004] In order to solve the problem of low accuracy in adjusting the ratio of fresh air to return air in existing air conditioning equipment, the utility model aims to provide an integrated interlocking fresh air and return air ratio regulating air valve.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: an integrated interlocking new and return air ratio regulating air valve, including a valve body, air inlets are opened on both sides of the valve body close to each other, air inlet ducts are fixedly installed at the air inlets on both sides of the valve body, dust screens are removably installed in the two air inlet ducts, cross limit rods are fixedly installed in the two air inlet ducts, and the dust screens can contact the corresponding cross limit rods, an air outlet duct is fixedly installed on one side of the valve body, and the air outlet duct is connected to the inside of the valve body, slide grooves are fixedly installed at both ends of the valve body, chain plate baffles are slidably installed in the two slide grooves, a drive assembly is installed in the valve body, and locking assemblies are installed on the two air inlet ducts.

[0006] Preferably, the drive assembly includes two threaded rods distributed in a mirror image, both threaded rods are rotatably installed in the valve body, and the threaded rods are threadedly inserted in the chain plate baffle, and the first bevel gears are fixedly installed at one end of the two threaded rods close to each other, and the two first bevel gears are meshed.

[0007] Preferably, a worm wheel is fixedly installed at one end of one of the threaded rods, a worm is rotatably installed in the valve body, and the worm is meshed with the worm wheel, a forward and reverse motor is fixedly installed in the valve body, and the output end of the forward and reverse motor is fixedly connected to the bottom end of the worm.

[0008] Preferably, the two locking assemblies each include two drive shafts distributed up and down, and the drive shafts are rotatably installed in the corresponding air inlet ducts, one end of the four drive shafts is fixedly installed with a limit block, and a connecting shaft is rotatably installed in the two cross limit rods, the upper and lower ends of the two connecting shafts and one end of the seven drive shafts are fixedly installed with a second bevel gear, and two adjacent second bevel gears are meshed, and one end of the two air inlet ducts is slidably installed with two symmetrically distributed spring sliding rods, and the spring sliding rods are in contact with the corresponding limit blocks.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. In the utility model, by setting a driving component and a chain plate baffle, the driving component can be used to drive the chain plate baffle to slide in the slide groove according to actual conditions, so as to block the two air inlets and adjust the air intake ratio of fresh air and return air, thereby achieving the purpose of accurately adjusting the air intake ratio of fresh air and return air;

[0011] 2. In the present invention, by providing a locking assembly, the dust screen in the air inlet duct can be quickly installed and disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the valve body of the utility model;

[0015] Figure 3 This is a schematic diagram of the air inlet pipe structure of the utility model;

[0016] Figure 4 For this utility model Figure 3 A schematic diagram of the structure enlargement in the middle;

[0017] Figure 5 This is a schematic diagram of the cross-sectional structure of the air inlet pipe of the utility model.

[0018] In the figure: 1. valve body; 11. air inlet; 12. slide; 2. air inlet pipe; 21. cross limit rod; 3. air outlet pipe; 4. dust screen; 5. chain plate baffle; 6. drive assembly; 61. forward and reverse motor; 62. worm; 63. worm wheel; 64. threaded rod; 65. first bevel gear; 7. locking assembly; 71. limit block; 72. drive shaft; 73. second bevel gear; 74. connecting shaft; 75. spring sliding rod. DETAILED DESCRIPTION

[0019] 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.

[0020] Example: Figure 1-5 As shown, the utility model provides an integrated interlocking new return air ratio regulating air valve, including a valve body 1, air inlets 11 are opened on both sides of the valve body 1 close to each other, air inlet pipes 2 are fixedly installed at the air inlets 11 on both sides of the valve body 1, dustproof nets 4 are detachably installed in the two air inlet pipes 2, cross limit rods 21 are fixedly installed in the two air inlet pipes 2, and the dustproof nets 4 can contact the corresponding cross limit rods 21, an air outlet pipe 3 is fixedly installed on one side of the valve body 1, and the air outlet pipe 3 is connected to the inside of the valve body 1, and sliding grooves 12 are fixedly installed at both upper and lower ends of the valve body 1, and the two sliding grooves 12 are fixedly installed. A chain plate baffle 5 is slidably installed in the groove 12, a driving assembly 6 is installed in the valve body 1, and locking assemblies 7 are installed on the two air inlet pipes 2, so that fresh air and return air enter the valve body 1 through the air inlet port 11 and the air inlet pipe 2, and are discharged through the air outlet pipe 3. The dustproof net 4 in the air inlet pipe 2 can prevent dust from entering the valve body 1. The dustproof net 4 can be quickly installed and disassembled by setting the locking assembly 7. According to actual conditions, the driving assembly 6 can be used to drive the chain plate baffle 5 to slide in the slide groove 12 to block the two air inlets 11 to adjust the air intake ratio of fresh air and return air.

[0021] The driving assembly 6 includes two threaded rods 64 that are distributed in a mirror image. Both threaded rods 64 are rotatably installed in the valve body 1 , and the threaded rods 64 are threadedly inserted in the chain plate baffle 5 .

[0022] By adopting the above technical solution, the threaded rod 64 drives the chain plate type baffle 5 to slide in the slide groove 12.

[0023] A first bevel gear 65 is fixedly mounted on one end of the two threaded rods 64 that is close to each other, and the two first bevel gears 65 are meshed.

[0024] By adopting the above technical solution, one of the threaded rods 64 drives the other threaded rod 64 to rotate synchronously through the first bevel gear 65 .

[0025] A worm wheel 63 is fixedly mounted on one end of one of the threaded rods 64 , and a worm 62 is rotatably mounted in the valve body 1 , and the worm 62 is meshed with the worm wheel 63 .

[0026] By adopting the above technical solution, the worm 62 drives the worm wheel 63 to rotate, and the worm wheel 63 drives one of the threaded rods 64 to rotate.

[0027] A forward and reverse motor 61 is fixedly installed in the valve body 1 , and the output end of the forward and reverse motor 61 is fixedly connected to the bottom end of the worm 62 .

[0028] By adopting the above technical solution, the forward and reverse motor 61 is started to drive the worm 62 to rotate.

[0029] The two locking components 7 each include two drive shafts 72 distributed up and down, and the drive shafts 72 are rotatably installed in the corresponding air inlet pipe 2, and one end of the four drive shafts 72 is fixedly installed with a limit block 71.

[0030] By adopting the above technical solution, the limit block 71 is rotated so that the limit block 71 drives the driving shaft 72 to rotate.

[0031] A connecting shaft 74 is rotatably mounted in each of the two cross limiting rods 21 , and second bevel gears 73 are fixedly mounted on both upper and lower ends of the two connecting shafts 74 and one end of the seven driving shafts 72 , and two adjacent second bevel gears 73 are meshed.

[0032] By adopting the above technical solution, one of the driving shafts 72 drives the connecting shaft 74 to rotate through the second bevel gear 73 , and the connecting shaft 74 drives the other driving shaft 72 and the limit block 71 to rotate through the second bevel gear 73 .

[0033] Two symmetrically distributed spring sliding rods 75 are slidably mounted on one end of the two air inlet pipes 2 , and the spring sliding rods 75 are in contact with the corresponding limit blocks 71 .

[0034] By adopting the above technical solution, the spring sliding rod 75 limits the limiting block 71 .

[0035] Working principle: when the utility model is in use, fresh air and return air enter the valve body 1 through the air inlet 11 and the air inlet pipe 2, and are discharged through the air outlet 3. The dustproof net 4 in the air inlet pipe 2 can prevent dust from entering the valve body 1, and the cross limit rod 21 in the air inlet pipe 2 can prevent the dustproof net 4 from shifting in the air inlet pipe 2. According to actual conditions, the forward and reverse motors 61 can be started to drive the worm 62 to rotate, and the worm 62 drives the worm wheel 63 to rotate, and the worm wheel 63 drives one of the threaded rods 64 to rotate, and this threaded rod 64 can pull the chain plate baffle 5 to slide in the slide groove 12, and at the same time, this threaded rod 64 drives another threaded rod 64 to rotate synchronously through the first bevel gear 65, and the other threaded rod 64 can synchronously push the chain plate baffle 5 to slide in the slide groove 12, so as to block the two air inlets 11 and adjust the air intake ratio of fresh air and return air.

[0036] The locking cam 75 is pressed against the locking cam 76 to release the locking cam 78, and the locking cam 77 is pressed against the locking cam 78 to release the locking cam 78.

[0037] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An integrated interlocking new air return ratio regulating air valve, comprising a valve body (1), characterized in that: The valve body (1) is provided with air inlets (11) on both sides close to each other. Air inlet pipes (2) are fixedly installed at the air inlets (11) on both sides of the valve body (1). Dust screens (4) are detachably installed in the two air inlet pipes (2). Cross limit rods (21) are fixedly installed in the two air inlet pipes (2), and the dust screens (4) can contact the corresponding cross limit rods (21). An air outlet pipe (3) is fixedly installed on one side of the valve body (1), and the air outlet pipe (3) is connected to the inside of the valve body (1). Slide grooves (12) are fixedly installed at both ends of the valve body (1), and chain plate baffles (5) are slidably installed in the two slide grooves (12). A driving assembly (6) is installed in the valve body (1), and a locking assembly (7) is installed on the two air inlet pipes (2).

2. The integrated interlocking fresh air and return air ratio regulating damper according to claim 1, characterized in that: The driving assembly (6) comprises two threaded rods (64) distributed in a mirror image, the two threaded rods (64) are both rotatably mounted in the valve body (1), and the threaded rods (64) are threadably inserted in the chain plate baffle (5).

3. The integrated interlocking fresh air and return air ratio regulating damper as claimed in claim 2, characterized in that: A first bevel gear (65) is fixedly mounted on one end of the two threaded rods (64) close to each other, and the two first bevel gears (65) are meshed.

4. The integrated interlocking fresh air and return air ratio regulating damper as claimed in claim 2, characterized in that: A worm wheel (63) is fixedly mounted on one end of one of the threaded rods (64), a worm (62) is rotatably mounted in the valve body (1), and the worm (62) is meshed with the worm wheel (63).

5. The integrated interlocking fresh air and return air ratio regulating damper as claimed in claim 1, characterized in that: A forward and reverse motor (61) is fixedly installed in the valve body (1), and the output end of the forward and reverse motor (61) is fixedly connected to the bottom end of the worm (62).

6. The integrated interlocking fresh air and return air ratio regulating damper as claimed in claim 1, characterized in that: The two locking components (7) each comprise two drive shafts (72) distributed up and down, and the drive shafts (72) are rotatably mounted in the corresponding air inlet pipe (2), and one end of each of the four drive shafts (72) is fixedly mounted with a limit block (71).

7. The integrated interlocking fresh air and return air ratio regulating damper as claimed in claim 1, characterized in that: A connecting shaft (74) is rotatably mounted in each of the two cross limit rods (21), and second bevel gears (73) are fixedly mounted on the upper and lower ends of the two connecting shafts (74) and one end of the seven driving shafts (72), and two adjacent second bevel gears (73) are meshed.

8. The integrated interlocking fresh air and return air ratio regulating damper as claimed in claim 1, characterized in that: Two symmetrically distributed spring sliding rods (75) are slidably mounted on one end of the two air inlet pipes (2), and the spring sliding rods (75) are in contact with corresponding limit blocks (71).

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