Air volume adjusting device of heating ventilation air conditioner

Abstract

The utility model discloses an air volume adjusting device of a heating ventilation air conditioner, and particularly relates to the technical field of crane equipment, the air volume adjusting device comprises an air conveying pipeline and an air outlet cover, the front end of the air outlet cover is provided with a cover front cover through a screw thread, and a fixing assembly is arranged on the upper portion of the front side of an inner cavity of the air outlet cover. An air filter is arranged on the front side of the inner cavity of the air outlet cover and located on the lower portion of the fixing assembly, and an air outlet adjusting assembly is arranged on the rear side of the inner cavity of the air outlet cover. According to the air volume adjusting device of the heating ventilation air conditioner, the size of the air outlet is changed by arranging the air outlet adjusting assembly, when the caliber of the air outlet becomes large, the air resistance is reduced, the air volume of the heating ventilation air conditioner is remarkably increased, and on the contrary, if the caliber of the air outlet becomes small, the air resistance is increased, and the air volume of the heating ventilation air conditioner is reduced; air flow blown by the air outlet is filtered through the air filter, the air quality after air outlet is improved, and meanwhile the air filter is fixed through the fixing assembly so that the air filter can be conveniently replaced in the later period.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane equipment technical field, especially a kind of heating ventilation air conditioning air volume regulating device. BACKGROUND

[0002] In modern architectural environment, heating ventilation air conditioning plays a pivotal role.It is not ordinary air conditioner, but the household central air conditioning system that integrates heating, ventilation and air conditioning three key functions.Different from the common split air conditioner in home, the latter can only realize basic cold and warm adjustment;Heating ventilation air conditioning can create comfortable indoor environment in all directions, covering temperature, humidity and air cleanliness control.

[0003] The existing heating ventilation air conditioner is also fixed for its air outlet, and the grille net is connected to the air outlet by bolt, which plays a protective role, but makes air volume adjustment a problem.Especially in office place, personnel flow is large, and space function is various, so fixed air volume is difficult to meet actual demand.In view of this, the utility model is ingeniously designed, and air volume regulating device is additionally arranged in air outlet pipe, so as to flexibly control air volume and greatly improve use comfort and practicability. CONTENT OF UTILITY MODEL

[0004] The main purpose of the utility model is to provide a kind of heating ventilation air conditioning air volume regulating device, which can effectively solve the problems proposed in the above.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of heating ventilation air conditioning air volume regulating device, including air conveying pipeline and air outlet cover, the back end of the air outlet cover is fixedly installed with connecting pipe, the air outlet cover is connected with the air conveying pipeline by screw thread through the connecting pipe, the front end of the air outlet cover is screw thread installed with cover front cover, the front upper portion of the air outlet cover inner chamber is provided with fixed assembly, the front lower portion of the air outlet cover inner chamber is provided with air filter, the rear side of the air outlet cover inner chamber is provided with air outlet regulating assembly.

[0007] Preferably, the air outlet regulating assembly includes motor, two rotating seats, two sliding plates and four guide rods, two rotating seats are symmetrically installed in the middle of the rear side of the air outlet cover inner chamber vertical direction both ends, two sliding plates are symmetrically arranged at the rear end of the air outlet cover inner chamber, and the motor is fixedly installed on the left side of the bottom end of the air outlet cover inner chamber.

[0008] Preferably, four guide rods are symmetrically fixedly installed on the two sides of the air outlet cover inner chamber vertical direction both ends away from the middle, and the outer surfaces of four guide rods are respectively slidingly installed with four slip rings, and the two sliding rings on the same side are respectively fixedly connected with the sliding plates on the same side.

[0009] Preferably, rotating rods are rotatably connected between the two rotating bases, two guide wire grooves are formed on the outer surface of the rotating rods and face opposite directions, and two nut blocks are fixedly installed on the two sides of the middle part of the front end of the two sliding plates and are threadedly connected with the two guide wire grooves.

[0010] Preferably, a bevel gear two is coaxially fixedly connected to the leftmost side of the outer surface of the rotating rod, a connecting shaft is fixedly connected to the output of the motor through a shaft coupling, and a bevel gear one is fixedly installed on the outer surface of the upper side of the connecting shaft and is engaged with the bevel gear two.

[0011] Preferably, the fixing assembly comprises a vertical plate, the vertical plate is fixedly installed at the middle part of the top end of the inner cavity of the air outlet cover, a lower horizontal plate is fixedly connected to the front side of the bottom end of the vertical plate, a middle horizontal plate is fixedly connected to the front side of the middle part of the vertical plate, and two sliding holes are symmetrically and longitudinally formed on the two sides of the top end of the lower horizontal plate away from the middle part.

[0012] Preferably, two push rods are slidably connected to the inner cavity surfaces of the two sliding holes, two fixed rings are fixedly installed on the middle parts of the outer surfaces of the two push rods and are limited by the two sliding holes, a pressing plate is fixedly connected to the bottom ends of the two push rods, two springs are respectively sleeved on the outer surfaces of the two push rods, the first end and the second end of each spring are abutted between the middle horizontal plate and the two fixed rings, and the air filter is clamped between the pressing plate and the bottom end of the inner cavity of the air outlet cover.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] 1、The utility model discloses a wind outlet adjusting assembly is set up to change the size of the air outlet, when the air outlet diameter becomes larger, the wind resistance reduces, the heating ventilation air conditioner air volume improves significantly, if the air outlet diameter becomes smaller, the wind resistance improves, the heating ventilation air conditioner air volume drops, so according to the use demand, the air volume can be flexibly regulated and controlled, and the use comfort and practicability are greatly improved.

[0015] 2、The utility model discloses a scheme, the air flow that the air filter blows to the air outlet is filtered, the air quality after the air outlet is improved, and the air filter is fixed through the fixing assembly, so that the air filter is replaced in the later period. DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the split structure schematic diagram of the air outlet cover and the cover front cover in the utility model;

[0018] Figure 3 It is the cross section structure schematic diagram of the air outlet cover in the utility model;

[0019] Figure 4 It is the cross section connection structure schematic view of fixed assembly and air filter in the utility model;

[0020] Figure 5 It is the cross section structure schematic view of air outlet cover and air outlet adjusting assembly in the utility model.

[0021] In the drawing: 1, air conveying pipeline; 2, air outlet cover; 21, connecting pipe; 3, cover front cover; 4, air filter; 5, fixed assembly; 51, vertical plate; 52, middle horizontal plate; 521, push rod; 522, fixed ring; 523, spring; 53, lower horizontal plate; 531, sliding hole; 54, pressing plate; 6, air outlet adjusting assembly; 61, motor; 611, connecting shaft; 612, bevel gear one; 62, rotating seat; 621, rotating rod; 622, guide wire slot; 623, bevel gear two; 63, sliding plate; 64, guide rod; 641, sliding ring; 65, wire nut sliding block. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] As shown in Figures 1-5 A kind of heating ventilation air volume regulating device, including air conveying pipeline 1 and air outlet cover 2, connecting pipe 21 is fixedly installed at the back end of air outlet cover 2, air outlet cover 2 is screwed with air conveying pipeline 1 through connecting pipe 21, air outlet cover 2 is screwed with cover front cover 3 at the front end, fixed assembly 5 is arranged on the upper portion of the front side in the inner chamber of air outlet cover 2, air filter 4 is arranged in the lower portion of fixed assembly 5 at the front side in the inner chamber of air outlet cover 2, air outlet adjusting assembly 6 is arranged at the rear side in the inner chamber of air outlet cover 2;

[0024] The scheme is fixed by screw after being set in the output end of air conveying pipeline 1 through connecting pipe 21 in actual use process, the size of air outlet is changed by setting air outlet adjusting assembly 6, when air outlet diameter becomes larger, wind resistance reduces, heating ventilation air volume is significantly improved, air resistance is improved when air outlet diameter becomes smaller, so that heating ventilation air volume drops, air flow is filtered by air filter 4 to the air outlet, air quality after air outlet is improved, and air filter 4 is fixed by fixed assembly 5, so that air filter 4 is replaced in later period.

[0025] Specifically, air outlet adjusting assembly 6 includes motor 61, two rotating seats 62, two sliding plates 63 and four guide rods 64, two rotating seats 62 are symmetrically installed at the middle of rear side in the vertical direction both ends in the inner chamber of air outlet cover 2, two sliding plates 63 are symmetrically slidably arranged at the rear end port in the inner chamber of air outlet cover 2, motor 61 is fixedly installed at the left side of bottom end in the inner chamber of air outlet cover 2;

[0026] The four guide rods 64 are symmetrically fixed and installed at two sides of the two ends of the vertical direction of the inner cavity of the air outlet cover 2 away from the middle part, and the outer surfaces of the four guide rods 64 are respectively slidably installed with four sliding rings 641, and the two sliding rings 641 located at the same side are respectively fixedly connected with the same side sliding plate 63;

[0027] The two rotating seats 62 are jointly and rotatably connected with a rotating rod 621, the outer surface of the rotating rod 621 is provided with two opposite guide screw grooves 622 on both sides, and the two sliding plates 63 are respectively fixedly installed with two screw nut sliding blocks 65 which are threadedly connected with the two guide screw grooves 622 on both sides of the middle part of the front end of the two sliding plates 63;

[0028] The outer surface of the rotating rod 621 is coaxially fixedly connected with a bevel gear two 623 at the leftmost side, the output of the motor 61 is fixedly connected with a connecting shaft 611 through a shaft coupling, and the outer surface of the connecting shaft 611 is fixedly installed with a bevel gear one 612 which is meshed with the bevel gear two 623;

[0029] Start the motor 61, the motor 61 drives the bevel gear two 623 through the bevel gear one 612 to drive the rotating rod 621 to rotate, the two sliding plates 63 are threadedly connected with the two guide screw grooves 622 provided on both sides of the outer surface of the rotating rod 621 through the two screw nut sliding blocks 65, the two guide screw grooves 622 are opposite, so that when the motor 61 drives the rotating rod 621 to rotate forward, the two sliding plates 63 are driven to move away from each other through the two screw nut sliding blocks 65, so that the air port is enlarged, the wind resistance of the two sliding plates 63 to the air port is reduced, and the air volume is increased;

[0030] Conversely, when the motor 61 is reversed, the two sliding plates 63 are driven to move close to each other through the two screw nut sliding blocks 65 to make the air port smaller, so that the wind resistance of the air port is increased during the air outlet process, and the air volume is reduced;

[0031] The sliding plates 63 on the same side are slid along the two guide rods 64 on the same side in the horizontal direction through the two sliding rings 641, so that when the motor 61 drives the sliding plates 63, the guide rods 64 can guide the sliding plates 63 to move more stably.

[0032] Specifically, the fixed assembly 5 includes a vertical plate 51, the vertical plate 51 is fixedly installed at the middle part of the top end of the inner cavity of the air outlet cover 2, the bottom end of the vertical plate 51 is fixedly connected with a lower horizontal plate 53, the front side of the middle part of the vertical plate 51 is fixedly connected with a middle horizontal plate 52, and two sliding holes 531 are symmetrically and vertically provided on both sides of the top end of the lower horizontal plate 53 away from the middle part;

[0033] Two push rods 521 are slidably connected to the inner surface of the two sliding holes 531, two fixed rings 522 are fixedly installed on the middle part of the outer surface of the two push rods 521 and are limited by the two sliding holes 531, the bottom ends of the two push rods 521 are fixedly connected to the pressing plate 54, two springs 523 are respectively sleeved on the outer surface of the two push rods 521, and the two ends of the two springs 523 are respectively abutted between the middle transverse plate 52 and the two fixed rings 522, and the air filter 4 is clamped between the pressing plate 54 and the bottom end of the inner cavity of the air outlet cover 2.

[0034] The two fixed rings 522 in the middle part of the outer surface of the two push rods 521 are pushed by the tension of the two springs 523, so that the lower side of the two push rods 521 drives the pressing plate 54 to clamp the air filter 4 along the vertical direction of the two sliding holes 531 downwards.

[0035] When it is necessary to replace the air filter 4, first, the front cover 3 is removed, then the two fixed rings 522 are pushed upwards, the pressing plate 54 is driven upwards by the two push rods 521, and the clamping effect of the pressing plate 54 on the air filter 4 is released, so that the air filter 4 can be taken down and replaced.

[0036] It should be particularly pointed out that the specific installation mode of the motor 61, the connection mode of the circuit and the control method used in the utility model all belong to conventional design, and the utility model will not be described in detail.

[0037] The basic principles and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A heating, ventilation and air conditioning air volume regulating device, comprising an air delivery duct (1) and an air outlet cover (2), characterized in that: A connecting pipe (21) is fixedly installed at the back end of the air outlet hood (2), and the air outlet hood (2) is threadedly connected to the air supply duct (1) through the connecting pipe (21). A front cover (3) is installed at the front end of the air outlet hood (2) through screw threads. A fixing assembly (5) is provided at the upper front side of the inner cavity of the air outlet hood (2), an air filter (4) is provided at the lower part of the fixing assembly (5) on the front side of the inner cavity of the air outlet hood (2), and an air outlet adjustment assembly (6) is provided at the rear side of the inner cavity of the air outlet hood (2).

2. The HVAC air volume control device according to claim 1, characterized in that: The air outlet adjustment assembly (6) comprises a motor (61), two rotating seats (62), two sliding plates (63) and four guide rods (64); the two rotating seats (62) are symmetrically mounted at the middle of the rear sides of the two ends of the inner cavity of the air outlet hood (2) in the vertical direction; the two sliding plates (63) are symmetrically slidably arranged at the rear port of the inner cavity of the air outlet hood (2); and the motor (61) is fixedly mounted on the left side of the bottom end of the inner cavity of the air outlet hood (2).

3. The HVAC air volume control device according to claim 2, characterized in that: The four guide rods (64) are symmetrically fixed in pairs on both sides of the inner cavity of the air outlet cover (2) away from the middle in the vertical direction. Four slip rings (641) are slidably installed on the outer surfaces of the four guide rods (64), and the two slip rings (641) on the same side are fixedly connected to the sliding plate (63) on the same side.

4. The HVAC air volume control device according to claim 3, characterized in that: A rotating rod (621) is connected to the two rotating seats (62) for common rotation, and two guide wire grooves (622) facing opposite directions are respectively opened on both sides of the outer surface of the rotating rod (621), and two nut sliders (65) threadedly connected to the two guide wire grooves (622) are fixedly installed on both sides of the middle of the front ends of the two sliding plates (63) close to each other.

5. The HVAC air volume adjustment device according to claim 4, characterized in that: The leftmost side of the outer surface of the rotating rod (621) is coaxially fixedly connected to a second bevel gear (623); the output of the motor (61) is fixedly connected to a connecting shaft (611) via a coupling; the upper side of the outer surface of the connecting shaft (611) is fixedly installed with a first bevel gear (612) meshing with the second bevel gear (623).

6. The HVAC air volume control device according to claim 1, characterized in that: The fixing assembly (5) comprises a vertical plate (51), the vertical plate (51) being fixedly mounted in the middle of the top end of the inner cavity of the air outlet hood (2), the front side of the bottom end of the vertical plate (51) being fixedly connected to a lower horizontal plate (53), the middle part of the front side of the vertical plate (51) being fixedly connected to a middle horizontal plate (52), and two sliding holes (531) being symmetrically formed on both sides of the top end of the lower horizontal plate (53) away from the middle.

7. The HVAC air volume control device according to claim 6, characterized in that: Two push rods (521) are slidably connected to the inner surfaces of the two sliding holes (531); two fixing rings (522) which are limited by the two sliding holes (531) are fixedly installed in the middle of the outer surfaces of the two push rods (521); the bottom ends of the two push rods (521) are fixedly connected to a pressure plate (54); two springs (523) are respectively sleeved on the outer surfaces of the two push rods (521); the head and tail ends of the two springs (523) are respectively held between the middle horizontal plate (52) and the two fixing rings (522); the air filter (4) is clamped between the pressure plate (54) and the bottom end of the inner cavity of the air outlet cover (2).

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