Variable-air-volume air supply device for operating room

Abstract

The utility model relates to the technical field of operating room air supply equipment, in particular to an operating room variable air volume air supply device which comprises an air feeder, an air outlet pipe is arranged on the front face of the air feeder, an air inlet pipe is arranged on the back face of the air feeder, a first dustproof net is arranged on the front face of the air outlet pipe, and a second dustproof net is arranged on the back face of the air inlet pipe. An opening adjusting assembly is arranged at an outlet in the front end of the air outlet pipe and comprises an upper connecting frame arranged at the top of the air outlet pipe, a lower connecting frame is arranged at the bottom of the air outlet pipe, and a two-way screw rod is arranged between the upper connecting frame and the lower connecting frame; through the arrangement of the upper connecting frame, the lower connecting frame, the two-way screw and the motor, the sliding plate can be driven to slide in the through hole, the size of the air outlet of the air outlet pipe can be adjusted through sliding of the sliding plate, in conclusion, the size of the air outlet of the air outlet pipe can be adjusted to control the air volume blown out by the air feeder, and then the air volume can be controlled and changed.

Description

Technical Field

[0001] The utility model relates to the technical field of air supply equipment for operating rooms, in particular to an air supply device with variable air volume for operating rooms. Background Art

[0002] The operating rooms in today's hospitals all require good ventilation when performing surgeries, so corresponding air supply devices need to be installed.

[0003] However, when the air supply device in the current operating room is in use, it cannot effectively switch the actual air supply volume of the air supply device, resulting in poor air circulation in the operating room, affecting the doctor's state during surgery, and too much or too little air volume will affect the patient's intraoperative state.

[0004] Therefore, a variable air volume air supply device is needed for an operating room to improve the above problems. Utility Model Content

[0005] The utility model aims to provide an operating room variable air volume air supply device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A variable air volume air supply device for an operating room, comprising an air supply fan, an air outlet pipe is arranged on the front of the air supply fan, an air inlet pipe is arranged on the back of the air supply fan, a first dustproof net is arranged on the front of the air outlet pipe, a second dustproof net is arranged on the back of the air inlet pipe, and an opening adjustment component is arranged at the front end outlet of the air outlet pipe;

[0008] The opening adjustment component includes an upper connecting frame arranged on the top of the air outlet duct, a lower connecting frame is arranged at the bottom of the air outlet duct, a bidirectional screw is arranged between the upper connecting frame and the lower connecting frame, a motor is installed on the top of the upper connecting frame, and a slide plate is symmetrically sleeved on the outer wall of the bidirectional screw, and through holes are opened on the upper and lower sides of the air outlet duct and corresponding to the slide plate.

[0009] As a preferred solution of the present utility model, the outer shapes of the upper connecting frame and the lower connecting frame are both designed as arch structures.

[0010] As a preferred solution of the utility model, the bidirectional screw is connected to the upper connecting frame and the lower connecting frame by rotational connection.

[0011] As a preferred solution of the utility model, the connection mode between the slide plate and the bidirectional screw is a threaded connection.

[0012] As a preferred solution of the utility model, the slide plate passes through the through hole, and the slide plate is connected to the air outlet pipe and the through hole by sliding connection.

[0013] As a preferred solution of the utility model, the thread structure of the bidirectional screw is designed to be structurally designed in opposite directions along the central axis toward both ends, and the upper end of the bidirectional screw is correspondingly connected to the driving shaft of the motor.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, the upper connecting frame, the lower connecting frame, the bidirectional screw and the motor are arranged to drive the slide plate to slide in the through hole. The arranged slide plate can adjust the size of the air outlet of the air outlet duct by sliding. In summary, the above design can control the size of the air volume blown by the blower by adjusting the size of the air outlet of the air outlet duct, thereby making the air volume controllable. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a schematic diagram of the structure of the opening adjustment component of the utility model;

[0018] Figure 3 This is a schematic diagram of the air outlet pipe structure of the utility model.

[0019] In the figure: 1. air supply fan; 2. air outlet duct; 3. air inlet duct; 4. first dust screen; 5. second dust screen; 6. opening adjustment component; 601. upper connecting frame; 602. lower connecting frame; 603. bidirectional screw; 604. motor; 605. slide plate; 606. through hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0025] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0026] A variable air volume air supply device for an operating room comprises an air supply fan 1, an air outlet pipe 2 is arranged on the front of the air supply fan 1, an air inlet pipe 3 is arranged on the back of the air supply fan 1, a first dustproof net 4 is arranged on the front of the air outlet pipe 2, a second dustproof net 5 is arranged on the back of the air inlet pipe 3, and an opening adjustment component 6 is arranged at the front end outlet of the air outlet pipe 2;

[0027] The opening adjustment component 6 includes an upper connecting frame 601 arranged on the top of the air outlet duct 2, a lower connecting frame 602 is arranged at the bottom of the air outlet duct 2, a bidirectional screw 603 is arranged between the upper connecting frame 601 and the lower connecting frame 602, a motor 604 is installed on the top of the upper connecting frame 601, and a slide plate 605 is symmetrically sleeved on the outer wall of the bidirectional screw 603, and through holes 606 are opened on the upper and lower sides of the air outlet duct 2 and corresponding to the slide plate 605.

[0028] In this embodiment, the outer structures of the upper connecting frame 601 and the lower connecting frame 602 are both designed as arch structures, the connection methods of the bidirectional screw 603 and the upper connecting frame 601 and the lower connecting frame 602 are both rotational connections, the connection method of the slide plate 605 and the bidirectional screw 603 is threaded connection, the slide plate 605 passes through the through hole 606, and the connection method of the slide plate 605 and the air outlet pipe 2 and the through hole 606 is sliding connection, the thread structure of the bidirectional screw 603 is designed in opposite directions along the central axis to both ends, and the upper end of the bidirectional screw 603 is correspondingly connected to the driving shaft of the motor 604, the upper connecting frame 601, the lower connecting frame 602, the bidirectional screw 603, and the motor 604 are arranged to drive the slide plate 605 to slide in the through hole 606, and the slide 605 plate can adjust the size of the air outlet of the air outlet pipe by sliding. In summary, the design can control the size of the air volume blown out by the blower by adjusting the size of the air outlet of the air outlet pipe, thereby making the air volume controllable.

[0029] The working process of the utility model is as follows: when in use, the air blower 1 is first started, and the wind will enter the air blower 1 from the air inlet pipe 3, and then pass through the air blower 1 into the air outlet pipe 2, and finally the wind is blown out from the front end of the air outlet pipe 2. When the air volume needs to be adjusted, the motor 604 is started to drive the bidirectional screw 603 to rotate, and the slide plate 605 will slide in the air outlet pipe 2 and the through hole 606, and then the distance between the two sets of slide plates 605 will change. At this time, the opening of the air outlet pipe 2 will change, and the air volume blown out will also change. The upper connecting frame 601, the lower connecting frame 602, the bidirectional screw 603, and the motor 604 can drive the slide plate 605 to slide in the through hole 606, and the slide plate 605 can adjust the size of the air outlet of the air outlet pipe by sliding. In summary, the design can control the size of the air volume blown out by the air blower by adjusting the size of the air outlet of the air outlet pipe, thereby making the air volume controllable.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A variable air volume air supply device for an operating room, comprising an air supply fan (1), characterized in that: An air outlet pipe (2) is arranged on the front of the air supply fan (1), an air inlet pipe (3) is arranged on the back of the air supply fan (1), a first dustproof net (4) is arranged on the front of the air outlet pipe (2), a second dustproof net (5) is arranged on the back of the air inlet pipe (3), and an opening adjustment component (6) is arranged at the front end outlet of the air outlet pipe (2); The opening adjustment component (6) comprises an upper connecting frame (601) arranged at the top of the air outlet pipe (2), a lower connecting frame (602) being arranged at the bottom of the air outlet pipe (2), a bidirectional screw (603) being arranged between the upper connecting frame (601) and the lower connecting frame (602), a motor (604) being installed at the top of the upper connecting frame (601), a slide plate (605) being symmetrically sleeved on the outer wall of the bidirectional screw (603), and through holes (606) being arranged on the upper and lower sides of the air outlet pipe (2) and corresponding to the slide plate (605).

2. The variable air volume air supply device for an operating room according to claim 1, characterized in that: The outer shapes of the upper connecting frame (601) and the lower connecting frame (602) are both arched structures.

3. The variable air volume air supply device for an operating room according to claim 1, characterized in that: The bidirectional screw (603) is connected to the upper connecting frame (601) and the lower connecting frame (602) by rotation.

4. The variable air volume air supply device for an operating room according to claim 1, characterized in that: The slide plate (605) and the bidirectional screw rod (603) are connected by threaded connection.

5. The variable air volume air supply device for an operating room according to claim 1, characterized in that: The slide plate (605) passes through the through hole (606), and the slide plate (605) is connected to the air outlet pipe (2) and the through hole (606) in a sliding manner.

6. The variable air volume air supply device for an operating room according to claim 1, characterized in that: The thread structure of the bidirectional screw (603) is designed to be structurally designed in opposite directions along the central axis at both ends, and the upper end of the bidirectional screw (603) is correspondingly connected to the driving shaft of the motor (604).

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