CN216080179U

CN216080179U - Warm ventilation structure that leads to in laboratory

Info

Publication number: CN216080179U
Application number: CN202122125532.6U
Authority: CN
Inventors: 兰发标
Original assignee: Fujian Huading Laboratory Equipment Co ltd
Current assignee: Fujian Huading Laboratory Equipment Co ltd
Priority date: 2021-09-04
Filing date: 2021-09-04
Publication date: 2022-03-18
Anticipated expiration: 2031-09-04

Abstract

The utility model discloses a heating ventilation structure for a laboratory, which comprises a ventilation box, wherein mounting plates are fixedly connected to two sides of the ventilation box, an air outlet is formed in the middle of one side of the ventilation box, an air inlet is formed in the middle of the front end face of the ventilation box, a dustproof mechanism is arranged in an inner cavity of the air outlet and an inner cavity of the air inlet, and a filter screen is connected to the left part of the inner cavity of the ventilation box in a sliding mode. This warm ventilation structure that leads to in laboratory has solved current warm structure of leading to when not using, is difficult to keep apart with harmful substance in the inconvenient filtered air to the dust to and when taking a breath indoor winter, can cause the problem that indoor temperature reduces by a wide margin.

Description

Warm ventilation structure that leads to in laboratory

Technical Field

The utility model relates to the technical field of heating, in particular to a heating ventilation structure for a laboratory.

Background

Heating and ventilation is a component of a building and comprises: the ventilation is a technology which adopts a natural or mechanical method to ensure that wind does not block and can penetrate through a room or a sealed environment so as to cause sanitation, safety and the like to be suitable for the air environment. However, the existing ventilation structure is lack of a dustproof mechanism, a lot of external dust can enter a room through a ventilation pipeline when the ventilation structure is not used, and meanwhile, part of the existing ventilation structure can only realize the most basic ventilation function, can not filter the sucked air, and has great use limitation. In addition, when indoor heating in winter, in order to guarantee the fresh of indoor air, can often open ventilation unit, to indoor ventilation, but the fan directly lets in the room with external cold wind, can lead to indoor local area temperature lower, the loss of increase energy. In view of this, a laboratory heating ventilation structure.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a laboratory heating ventilation structure, which solves the problems that the existing heating ventilation structure is not easy to isolate dust and inconvenient to filter harmful substances in air when not used, and the indoor temperature is greatly reduced when the indoor air exchange is carried out in winter.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a warm ventilation structure that leads to in laboratory, includes the ventilation case, the equal fixedly connected with mounting panel in ventilation case both sides, ventilation case one side middle part is provided with the air exit, the terminal surface middle part is provided with the air intake before the ventilation case, air exit inner chamber all is provided with dustproof mechanism with air intake inner chamber, ventilation case inner chamber left part sliding connection has the filter screen.

Preferably, filter screen one end fixedly connected with handle, filter screen one side sliding connection has the dog, dog one side middle part fixedly connected with telescopic link, telescopic link surface middle part fixedly connected with driving lever.

Preferably, an expansion spring is fixedly connected to one side of the shifting rod, one end of the expansion spring is fixedly connected with the ventilation box, one side of the ventilation box is slidably connected with the shifting rod, and one end of the expansion rod is slidably connected with the ventilation box.

Preferably, dustproof mechanism includes air inlet machine, rolling disc, rotation tooth, incomplete gear, transfer line, drive gear, reset spring, rotation fluted disc, the gear that opens and shuts, the pole that opens and shuts, separation blade, air inlet machine one end fixedly connected with rolling disc, the rolling disc inboard has incomplete gear through the meshing of rotation tooth, incomplete gear one side fixedly connected with transfer line, transfer line surface middle part fixedly connected with drive gear, drive gear one side middle part fixedly connected with reset spring, reset spring one end and ventilation case fixed connection.

Preferably, the outer surface of the transmission gear is engaged with a rotating fluted disc through teeth, the inner side of the rotating fluted disc is engaged with an opening and closing gear through the teeth, one side of the opening and closing gear is fixedly connected with an opening and closing rod, and the middle part of the outer surface of the opening and closing rod is fixedly connected with a separation blade.

Preferably, ventilation case one side is rotated and is connected with pole and the transfer line that opens and shuts, rotate fluted disc both sides and ventilation case sliding connection, air inlet fan and air intake inner chamber fixed connection, ventilation case inner chamber right part fixedly connected with heat exchange tube, heat exchange tube inner chamber are provided with intake stack and exhaust duct, exhaust duct outlet end intercommunication air exit, air exit inner chamber one side fixedly connected with exhaust fan.

(III) advantageous effects

The utility model provides a heating ventilation structure for a laboratory. The method has the following beneficial effects:

(1) this warm ventilation structure that leads to in laboratory through filter screen one side sliding connection's dog, in the air admission ventilation box, the accessible filter screen absorbs harmful substance in to the air, prevents that it from getting into the room harm personnel healthy, in addition, can also outwards stir the driving lever after a period for the dog shrink, it is spacing to the filter screen to relieve the dog, can pull the handle after that, takes out the filter screen, and change it.

(2) The laboratory heating ventilation structure is fixedly connected with an inner cavity of an air inlet through an air inlet machine, when the laboratory heating ventilation structure starts to work, clean and fresh air outside can be sucked into a ventilation box through the air inlet machine, when the air inlet machine is started, the air inlet machine can drive a rotating disc to rotate when rotating, the rotating disc drives an incomplete gear to rotate through rotating teeth, the incomplete gear drives a transmission gear to rotate through a transmission rod, the transmission gear drives an opening and closing gear to rotate through a rotating fluted disc, then the opening and closing gear drives a separation blade to rotate through an opening and closing rod, the separation blade is opened, when all the incomplete gear teeth rotate to a party far away from the rotating teeth, the separation blade is completely opened, the separation blade can be opened all the time due to the continuous rotation of the rotating disc, when the rotation is stopped, the transmission gear closes the separation blade through the rotating fluted disc and the opening and closing gear in a matching way, and then can prevent that the air inlet machine is out of work, the dust gets into the house, in addition when starting the air inlet machine, starts the exhaust fan and discharges the room air from the air exit via the exhaust pipe, and the room air is at the in-process of discharging simultaneously, can heat the outside air in the air inlet pipe through the heat exchange tube, prevents that it from getting into the room and causing the local temperature to reduce.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of a half-section structure of the present invention;

FIG. 4 is an enlarged view of the area A in FIG. 3;

FIG. 5 is an enlarged view of the area B in FIG. 3;

fig. 6 is a schematic view of the installation structure of the dustproof mechanism of the present invention.

In the figure: 1. a ventilation box; 2. mounting a plate; 3. an air outlet; 4. an air inlet; 5. a dust-proof mechanism; 51. an air inlet machine; 52. rotating the disc; 53. rotating the teeth; 54. an incomplete gear; 55. a transmission rod; 56. a transmission gear; 57. a return spring; 58. rotating the fluted disc; 59. a switching gear; 510. an opening and closing lever; 511. a baffle plate; 6. a filter screen; 7. a handle; 8. a telescopic rod; 9. a tension spring; 10. a deflector rod; 11. a stopper; 12. a heat exchange pipe; 13. an exhaust duct; 14. an air inlet pipeline; 15. an exhaust fan.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

the first embodiment is as follows: the utility model provides a warm ventilation structure that leads to in laboratory, including ventilation case 1, the equal fixedly connected with mounting panel 2 in ventilation case 1 both sides, 1 one side middle part of ventilation case is provided with

air exit

3, 1 preceding terminal surface middle part of ventilation case is provided with

air intake

4, 3 inner chambers of air exit and 4 inner chambers of air intake all are provided with

dustproof mechanism

5, 1 inner chamber left part sliding connection of ventilation case has

filter screen

6, 6 one end fixedly connected with handles 7 of filter screen, 6 one side sliding connection of filter screen has

dog

11, 11 one side middle part fixedly connected with telescopic link 8 of dog, 8 surface middle parts fixedly connected with driving lever 10 of telescopic link, 10 one side fixedly connected with expanding spring 9 of driving lever, 9 one end and 1 fixed connection of ventilation case, 1 one side of ventilation case and 10 sliding connection of driving lever, 8 one end of telescopic link and 1 sliding connection of ventilation case. Because filter screen 6 one side sliding connection has dog 11, in the outside air gets into ventilation box 1, accessible filter screen 6 absorbs harmful substance in the air, prevents that it from getting into the room and harming personnel health, in addition, can also outwards stir driving lever 10 after a period for dog 11 contracts, removes dog 11 spacing to filter screen 6, can stimulate handle 7 after that, takes out filter screen 6, and changes it.

The second embodiment is different from the first embodiment in that the dust-proof mechanism 5 includes an air inlet fan 51, a rotating disc 52, rotating teeth 53, an incomplete gear 54, a transmission rod 55, a transmission gear 56, a return spring 57, a rotating fluted disc 58, a switching gear 59, a switching rod 510 and a blocking piece 511, one end of the air inlet fan 51 is fixedly connected with the rotating disc 52, the inner side of the rotating disc 52 is engaged with the incomplete gear 54 through the rotating teeth 53, one side of the incomplete gear 54 is fixedly connected with the transmission rod 55, the middle part of the outer surface of the transmission rod 55 is fixedly connected with the transmission gear 56, the middle part of one side of the transmission gear 56 is fixedly connected with the return spring 57, one end of the return spring 57 is fixedly connected with the ventilation box 1, the outer surface of the transmission gear 56 is engaged with the rotating fluted disc 58 through teeth, the inner side of the rotating fluted disc 58 is engaged with the switching gear 59 through the teeth, one side of the switching rod 510 is fixedly connected with the switching gear 59, the middle part of the outer surface of the opening and closing rod 510 is fixedly connected with a blocking piece 511, one side of the ventilation box 1 is rotatably connected with the opening and closing rod 510 and a transmission rod 55, two sides of a rotating fluted disc 58 are slidably connected with the ventilation box 1, an air inlet fan 51 is fixedly connected with an inner cavity of an air inlet 4, the right part of the inner cavity of the ventilation box 1 is fixedly connected with a heat exchange tube 12, an inner cavity of the heat exchange tube 12 is provided with an air inlet pipeline 14 and an air outlet pipeline 13, the outlet end of the air outlet pipeline 13 is communicated with an air outlet 3, and one side of the inner cavity of the air outlet 3 is fixedly connected with an exhaust fan 15. Because the air inlet machine 51 is fixedly connected with the inner cavity of the air inlet 4, when the air inlet machine 51 is started to work, clean and fresh air outside can be sucked into the ventilation box 1 by starting the air inlet machine 51, when the air inlet machine 51 is started, the rotating disc 52 is driven to rotate by the rotation of the air inlet machine 51, the rotating disc 52 drives the incomplete gear 54 to rotate by the rotating teeth 53, the incomplete gear 54 drives the transmission gear 56 to rotate by the transmission rod 55, the transmission gear 56 drives the opening and closing gear 59 to rotate by the rotating fluted disc 58, the opening and closing gear 59 drives the blocking piece 511 to rotate by the opening and closing rod 510, the blocking piece 511 is opened completely, when the teeth of the incomplete gear 54 are all rotated to the side far away from the rotating teeth 53, the blocking piece 511 is opened completely due to the continuous rotation of the rotating disc 52, and when the rotation is stopped, the transmission gear 56 closes the blocking piece 511 by the opening and closing rod 510 matched with the rotating fluted disc 58 and the opening and closing gear 59, furthermore, dust can be prevented from entering the house when the air inlet fan 51 does not work, and in addition, when the air inlet fan 51 is started, the exhaust fan 15 is started to exhaust the indoor air from the exhaust outlet 3 through the exhaust pipeline 13, and meanwhile, in the process of exhausting the indoor air, the outdoor air in the air inlet pipeline 14 can be heated through the heat exchange pipe 12, so that the outdoor air can be prevented from entering the room to cause local temperature reduction.

When the air inlet machine 51 is started, clean and fresh air outside can be sucked into the ventilation box 1, when the air inlet machine 51 is started, the air inlet machine 51 rotates to drive the rotating disc 52 to rotate, the rotating disc 52 drives the incomplete gear 54 to rotate through the rotating teeth 53, the incomplete gear 54 drives the transmission gear 56 to rotate through the transmission rod 55, the transmission gear 56 drives the opening and closing gear 59 to rotate through the rotating fluted disc 58, the opening and closing gear 59 drives the blocking piece 511 to rotate through the opening and closing rod 510, the blocking piece 511 is opened, when all teeth of the incomplete gear 54 rotate to one side far away from the rotating teeth 53, the blocking piece 511 is completely opened, the blocking piece 511 is always opened due to the continuous rotation of the rotating disc 52, when the rotation is stopped, under the action of the reset spring 57, the transmission gear 56 closes the blocking piece 511 through the rotating fluted disc 58 and the opening and closing rod 510 in a matching manner, furthermore, when the air inlet fan 51 does not work, dust can be prevented from entering a house, in addition, when the air inlet fan 51 is started, the exhaust fan 15 is started to discharge indoor air from the air outlet 3 through the exhaust pipeline 13, meanwhile, in the process of discharging the indoor air, the heat exchange pipe 12 can be used for heating the external air in the air inlet pipeline 14, the situation that the external air enters a room to cause local temperature reduction is prevented, because the stop block 11 is connected to one side of the filter screen 6 in a sliding mode, when the external air enters the ventilation box 1, harmful substances in the air can be absorbed through the filter screen 6, the harmful substances can be prevented from entering the room to damage the health of people, in addition, the deflector rod 10 can be pulled outwards after one end time, the stop block 11 is contracted, the limit of the stop block 11 on the filter screen 6 is relieved, then the handle 7 can be pulled, the filter screen 6 is taken out, and is replaced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. The utility model provides a warm ventilation structure that leads to in laboratory, includes ventilation box (1), its characterized in that: the ventilation box is characterized in that the two sides of the ventilation box (1) are fixedly connected with mounting plates (2), an air outlet (3) is arranged in the middle of one side of the ventilation box (1), an air inlet (4) is arranged in the middle of the front end face of the ventilation box (1), an inner cavity of the air outlet (3) and an inner cavity of the air inlet (4) are both provided with dustproof mechanisms (5), and a filter screen (6) is slidably connected to the left portion of the inner cavity of the ventilation box (1).

2. The laboratory heating ventilation structure of claim 1, wherein: the novel filter screen is characterized in that one end of the filter screen (6) is fixedly connected with a handle (7), one side of the filter screen (6) is slidably connected with a stop block (11), the middle of one side of the stop block (11) is fixedly connected with a telescopic rod (8), and the middle of the outer surface of the telescopic rod (8) is fixedly connected with a shift lever (10).

3. The laboratory heating ventilation structure of claim 2, wherein: deflector rod (10) one side fixedly connected with expanding spring (9), expanding spring (9) one end and ventilation case (1) fixed connection, ventilation case (1) one side and deflector rod (10) sliding connection, telescopic link (8) one end and ventilation case (1) sliding connection.

4. A laboratory heating and ventilation structure as claimed in claim 3, wherein: dustproof mechanism (5) are including air inlet machine (51), rolling disc (52), rotation tooth (53), incomplete gear (54), transfer line (55), drive gear (56), reset spring (57), rotation fluted disc (58), the gear that opens and shuts (59), pole (510), separation blade (511) open and shut, air inlet machine (51) one end fixedly connected with rolling disc (52), rolling disc (52) inboard has incomplete gear (54) through rotating tooth (53) meshing, incomplete gear (54) one side fixedly connected with transfer line (55), transfer line (55) surface middle part fixedly connected with drive gear (56), drive gear (56) one side middle part fixedly connected with reset spring (57), reset spring (57) one end and ventilation box (1) fixed connection.

5. The laboratory heating ventilation structure of claim 4, wherein: the outer surface of the transmission gear (56) is meshed with a rotating fluted disc (58) through teeth, the inner side of the rotating fluted disc (58) is meshed with an opening and closing gear (59) through the teeth, one side of the opening and closing gear (59) is fixedly connected with an opening and closing rod (510), and the middle part of the outer surface of the opening and closing rod (510) is fixedly connected with a blocking piece (511).

6. The laboratory heating ventilation structure of claim 5, wherein: ventilation case (1) one side is rotated and is connected with pole (510) and transfer line (55) that open and shut, rotate fluted disc (58) both sides and ventilation case (1) sliding connection, air inlet fan (51) and air intake (4) inner chamber fixed connection, ventilation case (1) inner chamber right part fixedly connected with heat exchange tube (12), heat exchange tube (12) inner chamber is provided with air-supply line (14) and exhaust duct (13), exhaust duct (13) exit end intercommunication air exit (3), air exit (3) inner chamber one side fixedly connected with exhaust fan (15).