Laboratory ventilation device

Abstract

The utility model discloses a laboratory ventilation device, and particularly relates to the technical field of ventilation devices, the laboratory ventilation device comprises a fixed pipe, an L-shaped longitudinal pipe is arranged at the bottom end of the fixed pipe, a first adjusting pipe is arranged at the bottom end of the L-shaped longitudinal pipe, and a second adjusting pipe is arranged at the end, away from the L-shaped longitudinal pipe, of the first adjusting pipe; a mounting pipe is arranged at the end, away from the first adjusting pipe, of the second adjusting pipe, a connecting mechanism is arranged between the second adjusting pipe and the mounting pipe, an air suction opening is formed in the end, away from the second adjusting pipe, of the mounting pipe, and an auxiliary part is fixedly mounted on the outer side of the mounting pipe. The L-shaped longitudinal pipe, the first adjusting pipe, the second adjusting pipe and the mounting pipe are arranged, the connecting mechanism is used in cooperation, the horizontal position, the height position and the angle of the air suction opening are flexibly adjusted, experimental air suction at different experimental positions is adapted, the air suction effect is improved, and the air suction efficiency is improved. And the ventilation effect of the laboratory is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation devices, in particular to a laboratory ventilation device. Background Art

[0002] In order to ensure the safety and health of laboratory workers, and to effectively remove harmful gases, dust and volatile chemicals in the laboratory, and to prevent safety hazards such as pollution and fire, ventilation devices are usually installed in the laboratory;

[0003] Traditional laboratory ventilation devices consist of air intakes and air outlets, but most existing air intakes are fixedly mounted on brackets and suspended in the air above the laboratory workbench, making it difficult to flexibly adjust their positions. Furthermore, due to the different experimental positions of the experimenters, the suction effect of the fixed structure air intakes is generally poor. Therefore, we propose a laboratory ventilation device to solve the above problems. Utility Model Content

[0004] The purpose of the present invention is to provide a laboratory ventilation device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a laboratory ventilation device, comprising a fixed pipe, an L-shaped longitudinal pipe being provided at the bottom end of the fixed pipe, a first regulating pipe being provided at the bottom end of the L-shaped longitudinal pipe, a second regulating pipe being provided at one end of the first regulating pipe away from the L-shaped longitudinal pipe, a mounting pipe being provided at one end of the second regulating pipe away from the first regulating pipe, a connecting mechanism being provided between the second regulating pipe and the mounting pipe, an air suction port being provided at one end of the mounting pipe away from the second regulating pipe, and an auxiliary component being fixedly installed on the outer side of the mounting pipe;

[0006] The connecting mechanism includes a sealing rotating member and a connecting clamping tube. The sealing rotating member is fixedly clamped on the end of the second adjusting tube away from the first adjusting tube. The connecting clamping tube is fixedly clamped on the end of the mounting tube close to the second adjusting tube. The end of the connecting clamping tube away from the mounting tube is fixedly clamped on the middle part of the sealing rotating member.

[0007] Preferably, the connecting mechanism also includes a fixing frame and a driven gear ring, the driven gear ring is fixedly clamped on one end of the mounting tube close to the second adjusting tube, the fixing frame is fixedly mounted on one end of the second adjusting tube close to the mounting tube, a driving shaft is rotatably mounted on the top end of the fixing frame, a driving gear is fixedly mounted on the end of the driving shaft, and the driving gear and the driven gear ring are meshed and connected.

[0008] Preferably, a driven worm wheel is fixedly mounted on the end of the driving shaft away from the driving gear, the top of the driven worm wheel is meshedly connected with a driving worm, the driving worm is rotatably mounted on the top of the fixed frame, a driving motor is fixedly mounted on the side of the top of the fixed frame close to the driving worm, and the driving end of the driving motor and one end of the driving worm are fixedly mounted.

[0009] Preferably, the connection method between the fixed tube and the L-shaped longitudinal tube is the same as the connection method between the second adjustment tube and the installation tube.

[0010] Preferably, the connection method between the L-shaped longitudinal tube and the first adjusting tube is the same as the connection method between the second adjusting tube and the mounting tube.

[0011] Preferably, the connection mode of the first regulating tube and the second regulating tube is the same as the connection mode of the second regulating tube and the mounting tube.

[0012] Preferably, a threaded tube is fixedly provided at the top end of the air suction port, and the threaded tube is threadedly mounted on an end of the mounting tube away from the second regulating tube.

[0013] Preferably, the auxiliary component includes an auxiliary bracket, which is fixedly mounted on the outside of the mounting tube. An end of the auxiliary bracket away from the mounting tube is fixed with a socket by bolts, and a lighting lamp is fixedly mounted in the middle of the socket.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. By setting the L-shaped longitudinal pipe, the first regulating pipe, the second regulating pipe and the installation pipe, and using the connecting mechanism, the horizontal position, height position and angle of the air suction port can be flexibly adjusted to adapt to the experimental suction at different experimental positions, thereby improving the suction effect and the ventilation effect of the laboratory.

[0016] 2. By setting up auxiliary parts, a lighting lamp can be installed at the air suction port position to provide auxiliary lighting for the experimental part of the laboratory bench. A camera device can also be installed at the end of the auxiliary bracket to assist in filming the experimental process, thereby improving the functionality of the air suction port position of the entire laboratory ventilation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1This is a schematic structural diagram of the utility model.

[0019] Figure 2 This is a schematic diagram of the structural connection of the utility model after disassembly.

[0020] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0021] Figure 4 It is a structural diagram of the auxiliary parts in the utility model.

[0022] In the figure: 1. Fixed tube; 2. L-shaped longitudinal tube; 3. First adjusting tube; 4. Second adjusting tube; 5. Mounting tube; 6. Connecting mechanism; 7. Air inlet; 71. Threaded tube; 8. Auxiliary part; 61. Sealing rotating part; 62. Connecting clamping tube; 63. Driven gear ring; 631. Driving gear; 64. Fixed frame; 65. Driving shaft; 66. Driven worm gear; 67. Driving worm; 68. Driving motor; 81. Auxiliary bracket; 82. Clamping seat; 84. Lighting lamp. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Example: Figure 1-4 As shown, the utility model provides a laboratory ventilation device, including a fixed pipe 1, an L-shaped longitudinal pipe 2 is provided at the bottom end of the fixed pipe 1, a first regulating pipe 3 is provided at the bottom end of the L-shaped longitudinal pipe 2, a second regulating pipe 4 is provided at the end of the first regulating pipe 3 away from the L-shaped longitudinal pipe 2, a mounting pipe 5 is provided at the end of the second regulating pipe 4 away from the first regulating pipe 3, a connecting mechanism 6 is provided between the second regulating pipe 4 and the mounting pipe 5, an air suction port 7 is provided at the end of the mounting pipe 5 away from the second regulating pipe 4, and an auxiliary member 8 is fixedly installed on the outside of the mounting pipe 5;

[0025] The connecting mechanism 6 includes a sealing rotating member 61 and a connecting clamping tube 62. The sealing rotating member 61 is fixedly clamped at the end of the second regulating tube 4 away from the first regulating tube 3. The connecting clamping tube 62 is fixedly clamped at the end of the mounting tube 5 close to the second regulating tube 4. The end of the connecting clamping tube 62 away from the mounting tube 5 is fixedly clamped at the middle part of the sealing rotating member 61, so as to facilitate the sealing rotation of the mounting tube 5 at one end of the second regulating tube 4 and adjust the angle of the air intake 7.

[0026] The connecting mechanism 6 also includes a fixing frame 64 and a driven gear ring 63. The driven gear ring 63 is fixedly connected to the end of the mounting tube 5 close to the second adjusting tube 4. The fixing frame 64 is fixedly installed on the end of the second adjusting tube 4 close to the mounting tube 5. The top of the fixing frame 64 is rotatably mounted with a drive shaft 65. The end of the drive shaft 65 is fixedly mounted with a drive gear 631. The drive gear 631 and the driven gear ring 63 are meshed and connected. The end of the drive shaft 65 away from the drive gear 631 is fixedly mounted with a driven worm gear 66. The top of the driven worm gear 66 is fixedly mounted with a driven worm gear 66. A driving worm 67 is meshedly connected and rotatably mounted on the top of the fixed frame 64. A driving motor 68 is fixedly mounted on the side of the top of the fixed frame 64 close to the driving worm 67. The driving end of the driving motor 68 and one end of the driving worm 67 are fixedly mounted. The driving motor 68 is controlled to turn on to drive the driving worm 67 to drive the driven worm gear 66 and the driving shaft 65 to rotate, thereby controlling the driving gear 631 to drive the driven gear ring 63 to rotate, and then driving the mounting tube 5 to rotate in a sealed manner at one end of the second adjusting tube 4.

[0027] The connection method between the fixed tube 1 and the L-shaped longitudinal tube 2 is the same as the connection method between the second regulating tube 4 and the mounting tube 5. The connection mechanism 6 between the fixed tube 1 and the L-shaped longitudinal tube 2 is controlled and used. The L-shaped longitudinal tube 2 is convenient for sealing and rotating at the bottom end of the fixed tube 1, thereby driving the air suction port 7 to rotate horizontally and adjust the position of the air suction port 7; the connection method between the L-shaped longitudinal tube 2 and the first regulating tube 3 is the same as the connection method between the second regulating tube 4 and the mounting tube 5. The connection mechanism 6 between the L-shaped longitudinal tube 2 and the first regulating tube 3 is controlled and used. The first regulating tube 3 is convenient for sealing and rotating at the end of the L-shaped longitudinal tube 2, thereby driving the air suction port 7 to rise and fall and adjust the height position of the air suction port 7; the connection method between the first regulating tube 3 and the second regulating tube 4 is the same as the connection method between the second regulating tube 4 and the mounting tube 5. The connection mechanism 6 between the first regulating tube 3 and the second regulating tube 4 is controlled and used. The second regulating tube 4 is convenient for sealing and rotating at the end of the first regulating tube 3, further driving the air suction port 7 to rise and fall and adjust the height position of the air suction port 7.

[0028] The top of the air suction port 7 is fixed with a threaded tube 71, which is threadedly installed on the end of the mounting tube 5 away from the second regulating tube 4, so that the air suction port 7 is threadedly installed, which is convenient for disassembling the air suction port 7 for cleaning.

[0029] The auxiliary part 8 includes an auxiliary bracket 81, which is fixedly installed on the outside of the mounting tube 5. The end of the auxiliary bracket 81 away from the mounting tube 5 is fixed with a socket 82 by bolts, and a lighting lamp 84 is fixedly installed in the middle of the socket 82. By setting the auxiliary part 8, the lighting lamp 84 can be installed at the position of the air suction port 7 to provide auxiliary lighting for the experimental part of the laboratory table. The camera equipment can also be installed at the end of the auxiliary bracket 81 to assist in filming the experimental process, thereby improving the functionality of the air suction port 7 of the entire laboratory ventilation device.

[0030] Working principle: When in use, the driving motor 68 is controlled to drive the driving worm 67 to drive the driven worm gear 66 and the driving shaft 65 to rotate, thereby controlling the driving gear 631 to drive the driven gear ring 63 to rotate, and then drive the mounting tube 5 to rotate in a sealed manner at one end of the second adjustment tube 4 to adjust the angle of the air inlet 7;

[0031] Among them, by controlling and using the connection mechanism 6 between the fixed tube 1 and the L-shaped longitudinal tube 2, the L-shaped longitudinal tube 2 is convenient for sealing and rotating at the bottom end of the fixed tube 1, thereby driving the air suction port 7 to rotate horizontally and adjusting the horizontal position of the air suction port 7;

[0032] The connection mechanism 6 between the L-shaped longitudinal tube 2 and the first regulating tube 3 is controlled and used, and the first regulating tube 3 is convenient for sealing and rotating at the end of the L-shaped longitudinal tube 2, thereby driving the air suction port 7 to move up and down, and adjusting the height position of the air suction port 7;

[0033] The connection mechanism 6 between the first regulating tube 3 and the second regulating tube 4 is controlled and used, so that the second regulating tube 4 can be sealed and rotated at the end of the first regulating tube 3, thereby further driving the air suction port 7 to move up and down, thereby adjusting the height position of the air suction port 7;

[0034] In this way, the horizontal position, height position and angle of the air suction port 7 can be flexibly adjusted to adapt to the experimental suction at different experimental positions, thereby improving the suction effect and improving the ventilation effect of the laboratory;

[0035] By setting up the auxiliary part 8, a lighting lamp 84 can be installed at the position of the air suction port 7 to provide auxiliary lighting for the experimental part of the laboratory table. A camera device can also be installed at the end of the auxiliary bracket 81 to assist in filming the experimental process, thereby improving the functionality of the air suction port 7 of the entire laboratory ventilation device.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A laboratory ventilation device comprising a fixed pipe (1), characterized in that: The bottom end of the fixed tube (1) is provided with an L-shaped longitudinal tube (2), the bottom end of the L-shaped longitudinal tube (2) is provided with a first regulating tube (3), the end of the first regulating tube (3) away from the L-shaped longitudinal tube (2) is provided with a second regulating tube (4), the end of the second regulating tube (4) away from the first regulating tube (3) is provided with a mounting tube (5), a connecting mechanism (6) is provided between the second regulating tube (4) and the mounting tube (5), the end of the mounting tube (5) away from the second regulating tube (4) is provided with an air suction port (7), and an auxiliary component (8) is fixedly installed on the outside of the mounting tube (5); The connecting mechanism (6) comprises a sealing rotating member (61) and a connecting clamping tube (62), wherein the sealing rotating member (61) is fixedly clamped to an end of the second regulating tube (4) away from the first regulating tube (3), the connecting clamping tube (62) is fixedly clamped to an end of the mounting tube (5) close to the second regulating tube (4), and the end of the connecting clamping tube (62) away from the mounting tube (5) is fixedly clamped to the middle of the sealing rotating member (61).

2. The laboratory ventilation device according to claim 1, characterized in that: The connecting mechanism (6) further comprises a fixing frame (64) and a driven gear ring (63), wherein the driven gear ring (63) is fixedly connected to one end of the mounting tube (5) close to the second regulating tube (4), and the fixing frame (64) is fixedly mounted on one end of the second regulating tube (4) close to the mounting tube (5). A driving shaft (65) is rotatably mounted on the top end of the fixing frame (64), and a driving gear (631) is fixedly mounted on the end of the driving shaft (65), and the driving gear (631) and the driven gear ring (63) are meshed and connected.

3. The laboratory ventilation device according to claim 2, characterized in that: A driven worm gear (66) is fixedly mounted on one end of the drive shaft (65) away from the drive gear (631), and a driving worm (67) is meshedly connected to the top of the driven worm gear (66). The driving worm (67) is rotatably mounted on the top of the fixed frame (64). A driving motor (68) is fixedly mounted on one side of the top of the fixed frame (64) close to the driving worm (67), and a driving end of the driving motor (68) is fixedly mounted to one end of the driving worm (67).

4. The laboratory ventilation device according to claim 3, characterized in that: The connection method of the fixed tube (1) and the L-shaped longitudinal tube (2) is the same as the connection method of the second regulating tube (4) and the installation tube (5).

5. The laboratory ventilation device according to claim 3, characterized in that: The connection method between the L-shaped longitudinal tube (2) and the first regulating tube (3) is the same as the connection method between the second regulating tube (4) and the installation tube (5).

6. The laboratory ventilation device according to claim 3, characterized in that: The connection method of the first regulating tube (3) and the second regulating tube (4) is the same as the connection method of the second regulating tube (4) and the installation tube (5).

7. The laboratory ventilation device according to claim 1, characterized in that: A threaded tube (71) is fixedly provided at the top end of the air suction port (7), and the threaded tube (71) is threadedly mounted on an end of the mounting tube (5) away from the second regulating tube (4).

8. The laboratory ventilation device according to claim 1, characterized in that: The auxiliary component (8) comprises an auxiliary bracket (81), the auxiliary bracket (81) being fixedly mounted on the outside of the mounting tube (5), and a holder (82) being fixedly mounted on one end of the auxiliary bracket (81) away from the mounting tube (5) by means of bolts, and a lighting lamp (84) being fixedly mounted in the middle of the holder (82).

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