CN211526664U

CN211526664U - Special double-air-duct variable air volume terminal device for laboratory

Info

Publication number: CN211526664U
Application number: CN202020151804.2U
Authority: CN
Inventors: 霍小平
Original assignee: Ningbo Xueluden Intelligent Technology Co ltd
Current assignee: Ningbo Xueluden Intelligent Technology Co ltd
Priority date: 2020-02-04
Filing date: 2020-02-04
Publication date: 2020-09-18
Anticipated expiration: 2030-02-04

Abstract

The utility model discloses a special two wind channels variable air volume end device in laboratory relates to variable air volume air conditioning system technical field, to current special two wind channels variable air volume end device in laboratory when the installation, is difficult for adjusting device's vertical height, when difference in height is great between installation place and the host computer, need add the cushion bottom the device, not only influences the stability of placing of device, and the problem of difficult operation, proposes following scheme now, including base and device main part, the upper surface central point of base puts to rotate and is connected with the lead screw, the layer board has been cup jointed in the top meshing of lead screw. The utility model discloses a design of relevant subassemblies such as saddle, layer board, lead screw, the vertical mounted position of the adjusting device main part of being convenient for makes its can better region host computer connect, and can match not co-altitude's workstation better in the laboratory space, through the design of U-shaped cutting ferrule, is convenient for hug closely the top of locating lever and cup joint to avoid the device main part slippage from the saddle.

Description

Special double-air-duct variable air volume terminal device for laboratory

Technical Field

The utility model relates to a variable blast volume air conditioning system technical field especially relates to a special two wind channels variable blast volume end device in laboratory.

Background

The variable air volume end device is one of key equipment of the variable air volume air conditioning system. The air conditioning system adjusts the air delivery volume of the primary air through the end device, tracks the load change, maintains the room temperature, and can automatically maintain the air delivery volume of the room not to exceed the designed maximum air delivery volume when the indoor load is increased; when the load of the air conditioner in a room is reduced, the minimum air supply quantity can be kept so as to meet the requirements of minimum fresh air quantity and airflow organization, when the served room is not used, a primary air valve of a terminal device can be completely closed, the variable air quantity terminal device has various varieties and various characteristics, and according to the change of the room air supply mode, the air conditioner can be divided into a single-air-channel type, a fan power type, a bypass type, an induction type, a variable air quantity air port and the like, wherein the single-air-channel type is a throttling variable air quantity terminal device, the double-air-channel type and the like are changed and developed on the basis of throttling type, and the double-air-channel type can be used in various places such as factories, laboratories and the like.

When the special double-air-duct variable air volume end device for the existing laboratory is installed, the vertical height of the device is not easy to adjust, when the height difference between an installation place and a host is large, a cushion block needs to be added to the bottom of the device, the placing stability of the device is not affected, and the device is not easy to operate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of special two wind channels variable air volume end device in laboratory has solved current special two wind channels variable air volume end device in laboratory when the installation, and difficult adjusting device's vertical height need add the cushion bottom the device when difference in height is great between installation place and the host computer, not only influences the stability of placing of device, and the difficult problem of operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a special two wind channels variable air volume end device in laboratory, includes base and device main part, the upper surface central point of base puts to rotate and is connected with the lead screw, the top meshing cover of lead screw has connect the layer board, the last fixed surface of layer board is connected with the saddle, the upper surface of saddle is arranged in to the device main part, the upper surface of base is located a pair of locating lever of bilateral symmetry fixedly connected with of lead screw, and two the top of locating lever all with layer board and saddle through connection.

Preferably, the outer surface of the device main body is located at the top ends of the two positioning rods and is connected with a clamping sleeve fixing block in a sliding clamping mode, a first cavity is formed in the clamping sleeve fixing block, a U-shaped clamping sleeve is connected to the inner movable clamping block of the first cavity, and one end, located on the outer side of the first cavity, of the U-shaped clamping sleeve is movably sleeved with the top ends of the positioning rods.

Preferably, the first cavity is internally and fixedly connected with a first limiting spring between one end of the U-shaped clamping sleeve and the inner wall of the first cavity, and two ends of the first limiting spring are respectively and fixedly connected with the outer surface of the U-shaped clamping sleeve and the inner wall of the first cavity.

Preferably, the inside of cutting ferrule fixed block is located the both sides of first cavity and has all seted up the second cavity, the spacing spring of inside fixedly connected with second of second cavity, the one end fixedly connected with rectangle slider of the spacing spring of second, just device main part's surface inside set up with the tip assorted rectangle spout of rectangle slider.

Preferably, the bottom fixedly connected with first toothed disc of lead screw, the inside of base is located one side fixedly connected with driving motor of first toothed disc, the fixed surface of base is connected with motor operation panel, just motor operation panel and driving motor electric connection, driving motor's top fixedly connected with second toothed disc, just the second toothed disc is connected with the meshing of first toothed disc.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a saddle, the layer board, the design of relevant subassemblies such as lead screw, the vertical mounted position of the adjusting device main part of being convenient for, make it can better region host computer connect, and can match the workstation of co-altitude better in the laboratory space, through the design of U-shaped cutting ferrule, be convenient for hug closely the top of locating lever and cup joint, thereby avoid the device main part slippage from the saddle, through the design of rectangle slider, be convenient for adjust the vertical position of cutting ferrule fixed block, thereby avoid touching the hindrance each other between cutting ferrule fixed block and locating lever when adjusting device main part height.

Drawings

Fig. 1 is a schematic front view of a dual-duct variable air volume end device for a laboratory according to the present invention;

fig. 2 is a front sectional view of a fixing ring and a gear of a dual-duct variable air volume end device special for a laboratory according to the present invention;

fig. 3 is the utility model provides a special two wind channels variable air volume end device U-shaped cutting ferrule in laboratory and overlook to being connected the cross-sectional view with the cutting ferrule fixed block.

In the figure: the device comprises a base 1, a screw rod 2, a motor operation panel 3, a device main body 4, a U-shaped clamping sleeve 5, a saddle 6, a supporting plate 7, a positioning rod 8, a clamping sleeve fixing block 9, a first gear disc 10, a driving motor 11, a second gear disc 12, a first cavity 13, a first limiting spring 14, a second cavity 15, a second limiting spring 16 and a rectangular sliding block 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a special double-air-duct variable air volume end device for a laboratory comprises a base 1 and a device main body 4, wherein a screw rod 2 is rotatably connected to the center of the upper surface of the base 1, a supporting plate 7 is sleeved on the top end of the screw rod 2 in a meshed mode, a supporting table 6 is fixedly connected to the upper surface of the supporting plate 7, the device main body 4 is arranged on the upper surface of the supporting table 6, a pair of positioning rods 8 are symmetrically and fixedly connected to the two sides of the upper surface of the base 1, which are located on the screw rod 2, and the top ends of the two positioning rods 8 are connected with the supporting.

In this embodiment, the outer surface of the device main body 4 is located at the top ends of the two positioning rods 8 and is connected with a clamping sleeve fixing block 9 in a sliding clamping manner, a first cavity 13 is formed in the clamping sleeve fixing block 9, the inner movable clamping block of the first cavity 13 is connected with a U-shaped clamping sleeve 5, and one end, located outside the first cavity 13, of the U-shaped clamping sleeve 5 is movably sleeved on the top ends of the positioning rods 8.

In this embodiment, a first limiting spring 14 is fixedly connected between one end of the U-shaped ferrule 5 and the inner wall of the first cavity 13 inside the first cavity 13, and two ends of the first limiting spring 14 are respectively fixedly connected with the outer surface of the U-shaped ferrule 5 and the inner wall of the first cavity 13.

In this embodiment, the inside both sides that are located first cavity 13 of cutting ferrule fixed block 9 have all seted up second cavity 15, the inside fixedly connected with second limiting spring 16 of second cavity 15, the one end fixedly connected with rectangle slider 17 of second limiting spring 16, and the inside tip assorted rectangle spout with rectangle slider 17 of seting up of surface of device main part 4.

In this embodiment, the first toothed disc 10 of bottom fixedly connected with of lead screw 2, one side fixedly connected with driving motor 11 that base 1's inside was located first toothed disc 10, base 1's outer fixed surface is connected with motor operation panel 3, and motor operation panel 3 and driving motor 11 electric connection, driving motor 11's top fixedly connected with second toothed disc 12, and second toothed disc 12 is connected with the meshing of first toothed disc 10.

The working principle is as follows: when the double-air-duct variable air volume end device is installed and placed, in order to adjust the vertical height of the device and limit and fix the device, in the embodiment, the device body 4 is placed on the upper surface of the supporting platform 6, then the driving motor 11 is started, the driving motor 11 drives the second gear disc 12 to rotate, the second gear disc 12 drives the first gear disc 10 to rotate, the first gear disc 10 drives the lead screw 2 to rotate, the lead screw 2 drives the supporting plate 7 to move up and down through rotation, so as to adjust the vertical position of the device body 4, after the adjustment is finished, the clamping sleeve fixing block 9 is moved to the top end position of the positioning rod 8 through the rectangular sliding block 17, the U-shaped clamping sleeve 5 is sleeved on the top end of the positioning rod 8 while the U-shaped clamping sleeve 5 is pulled outwards, then the U-shaped clamping sleeve 5 is released, the first limiting spring 14 drives the U-shaped clamping sleeve 5 to move towards the direction, thereby the U-shaped cutting sleeve 5 is tightly attached to the outer surface of the top end of the positioning rod 8, and the device body 4 is prevented from slipping off the saddle 6.

To sum up, through saddle 6, layer board 7, the design of relevant subassembly such as lead screw 2, the vertical mounted position of the adjusting device main part 4 of being convenient for, make it can better region host computer connect, and can match the not workstation of co-altitude better in the laboratory site, design through U-shaped cutting ferrule 5, be convenient for hug closely the cup joint on the top of locating lever 8, thereby avoid device main part 4 slippage from saddle 6, design through rectangle slider 17, be convenient for adjust the vertical position of cutting ferrule fixed block 9, thereby avoid touching the hindrance each other between cutting ferrule fixed block 9 and the locating lever 8 when adjusting device main part 4 is high.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a special two wind channels variable air volume end device in laboratory, includes base (1) and device main part (4), its characterized in that, the upper surface central point of base (1) puts and rotates and is connected with lead screw (2), layer board (7) have been cup jointed in the top meshing of lead screw (2), the last fixed surface of layer board (7) is connected with saddle (6), the upper surface of saddle (6) is arranged in device main part (4), the upper surface of base (1) is located a pair of locating lever (8) of bilateral symmetry fixedly connected with of lead screw (2), and two the top of locating lever (8) all with layer board (7) and saddle (6) through connection.

2. The laboratory dedicated double-air-duct variable air volume end device is characterized in that the outer surface of the device main body (4) is located at the top ends of the two positioning rods (8) and is connected with a clamping sleeve fixing block (9) in a sliding clamping mode, a first cavity (13) is formed in the clamping sleeve fixing block (9), a U-shaped clamping sleeve (5) is movably clamped in the first cavity (13), and one end, located outside the first cavity (13), of the U-shaped clamping sleeve (5) is movably sleeved with the top ends of the positioning rods (8).

3. The laboratory dedicated double-air-duct variable air volume end device according to claim 2, wherein a first limiting spring (14) is fixedly connected between one end of the U-shaped ferrule (5) and the inner wall of the first cavity (13) inside the first cavity (13), and both ends of the first limiting spring (14) are fixedly connected with the outer surface of the U-shaped ferrule (5) and the inner wall of the first cavity (13), respectively.

4. The laboratory dedicated double-air-duct variable air volume end device according to claim 2, wherein second cavities (15) are formed in the ferrule fixing block (9) and located on two sides of the first cavity (13), second limiting springs (16) are fixedly connected to the inside of the second cavities (15), rectangular sliders (17) are fixedly connected to one ends of the second limiting springs (16), and rectangular sliding grooves matched with the ends of the rectangular sliders (17) are formed in the outer surface of the device main body (4).

5. The laboratory special double-air-duct variable air volume end device according to claim 1, wherein a first gear plate (10) is fixedly connected to the bottom end of the screw rod (2), a driving motor (11) is fixedly connected to one side of the first gear plate (10) inside the base (1), a motor operation panel (3) is fixedly connected to the outer surface of the base (1), the motor operation panel (3) is electrically connected with the driving motor (11), a second gear plate (12) is fixedly connected to the top end of the driving motor (11), and the second gear plate (12) is meshed with the first gear plate (10).