Environment-friendly air purification type ventilation cabinet for laboratory

Abstract

The utility model discloses an environment-friendly air purification type fume hood for laboratory, which comprises a fume hood body, mounting guide rails, a window frame, a locking component and an unlocking component, the mounting guide rails are symmetrically mounted on the fume hood body, the side of the outer wall of the window frame is slidably sleeved with the mounting guide rails, and a glass plate is fixedly embedded in the window frame. The bottom of the window frame is provided with a mounting cavity used for mounting the locking assembly, the locking assembly is used for locking the position, in the mounting guide rail, of the window frame, and the unlocking assembly is arranged in the window frame and used for unlocking the locking assembly. The ventilation cabinet body, the installation guide rail, the window frame, the glass plate, the locking assembly and the unlocking assembly are used in a matched mode, under the action of the locking assembly, the window frame can drive the glass plate to be located at the designated position of the installation guide rail, and therefore the window frame and the glass plate can shield the ventilation cabinet body part; therefore, the front face of the ventilation cabinet body can be shielded and sealed according to use requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fume hood, especially relates to a laboratory is with environmental protection clean air type fume hood. BACKGROUND

[0002] The fume hood is a kind of safety equipment for laboratory and industrial environment, mainly used to protect the operator from the harm of harmful gas, vapor, smoke and chemicals, and the fume hood is designed by effective ventilation and airflow, to ensure that harmful substances are safely discharged, while providing a relatively safe working environment, the following is the detailed introduction to fume hood, including its structure, working principle, type, application and maintenance etc.

[0003] The fume hood operating platform is usually exposed in design state, although the fume hood has the function of ventilation and air extraction, but when experiment is carried out on the fume hood operating platform, smoke will still float out, and the rotary door plate is directly used for shielding and sealing, when the rotary door plate is closed, the operation of the operator will be blocked, when the rotary door plate is in half-open state, the gas generated by the fume hood operating platform will be discharged from the gap at the top between the two rotary door plates, and there is a certain defect. SUMMARY

[0004] The utility model discloses a laboratory is with environmental protection clean air type fume hood to solve the problem in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a laboratory is with environmental protection clean air type fume hood, comprising:

[0006] Fume hood body;

[0007] Mounting guide rail, the mounting guide rail is symmetrically installed on the fume hood body;

[0008] Window frame, the side of the outer wall of window frame is slidably connected with mounting guide rail;

[0009] Glass plate, the glass plate is fixedly embedded in the inside of window frame;

[0010] Locking assembly, the bottom of window frame is provided with mounting cavity for installing locking assembly, and the locking assembly is used for locking the position of window frame in the inside of mounting guide rail;

[0011] Unlocking assembly, the unlocking assembly is arranged in the inside of window frame, and the unlocking assembly is used for unlocking locking assembly.

[0012] Preferably, the locking assembly comprises:

[0013] Locking rod, the outer wall of locking rod is slidably inserted into window frame;

[0014] Locking slot, locking slot equidistantly open in the inner wall of the mounting rail, one end of the outer wall of the locking rod and the inner cavity of the locking slot are slidingly connected.

[0015] Preferably, the locking assembly further comprises:

[0016] Fixed collar, the fixed collar is fixedly sleeved on the outside of the locking rod;

[0017] Limiting block, the limiting block is fixedly connected to the inside of the mounting chamber, and the outer wall of the locking rod is slidingly sleeved with the limiting block;

[0018] Limiting spring, the limiting spring is slidingly sleeved on the outside of the locking rod, and the limiting spring is located between the fixed collar and the limiting block.

[0019] Preferably, the unlocking assembly comprises:

[0020] Connecting shaft, the connecting shaft is rotatably installed in the inside of the mounting chamber;

[0021] Connecting rope, one end of the connecting rope is fixedly connected with the locking rod, and the connecting shaft is used for winding the connecting rope;

[0022] Handle, the handle is rotatably installed at the bottom of the front of the window frame, and the handle is connected with the connecting shaft.

[0023] Preferably, the unlocking assembly further comprises:

[0024] Hinge, the hinge is installed on the outside of the connecting shaft;

[0025] Connecting collar, the outer wall of the connecting collar is connected with the hinge, and the other end of the connecting rope is connected with the connecting collar.

[0026] Preferably, the unlocking assembly further comprises:

[0027] Fixed shaft, the fixed shaft is fixedly connected to the inside of the mounting chamber;

[0028] Wire passing wheel, the wire passing wheel is rotatably sleeved on the outside of the fixed shaft, and the wire passing wheel is used for guiding the connecting rope.

[0029] The technical effects and advantages of the utility model are as follows:

[0030] The utility model discloses a ventilation cabinet body, mounting rail, window frame, glass plate, locking assembly and unlocking assembly's cooperation use mode, under the action of locking assembly, window frame can drive glass plate to be at the specified position of mounting rail, thereby making window frame and glass plate shield ventilation cabinet body part, thereby can according to the use demand to the front of ventilation cabinet body is shielded and sealed. DRAWINGS

[0031] Fig. 1 It is a whole structure schematic view of the utility model.

[0032] Fig. 2 It is a mounting guide rail horizontal surface internal structure schematic view of the utility model.

[0033] Fig. 3 It is a window frame part horizontal surface internal structure schematic view of the utility model.

[0034] In the drawing: 1, fume hood body; 2, mounting guide rail; 3, window frame; 4, glass plate; 5, locking assembly; 51, locking rod; 52, fixed collar; 53, limiting block; 54, limiting spring; 6, unlocking assembly; 61, connecting shaft; 62, connecting rope; 63, handle; 64, hinged piece; 65, connecting collar; 66, fixed shaft; 67, wire passing wheel. DETAILED DESCRIPTION

[0035] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0036] The utility model provides a kind of environmental protection gas cleaning type fume hood for laboratory as shown in Figs. 1-3 EMBODIMENT

[0037] Including fume hood body 1, mounting guide rail 2, window frame 3, glass plate 4, locking assembly 5 and unlocking assembly 6, mounting guide rail 2 is symmetrically installed on fume hood body 1, and fume hood body 1 is provided with exhaust system, and the exhaust system includes fan and exhaust duct, harmful gas and steam are discharged outdoor or after being handled by filtering system again, it belongs to prior art, and will not be introduced too much here, the side of the outer wall of window frame 3 is slidably connected with mounting guide rail 2, glass plate 4 is fixedly embedded in the inside of window frame 3, the bottom of window frame 3 is provided with installation chamber for installing locking assembly 5, locking assembly 5 is used to lock the position of window frame 3 in the inside of mounting guide rail 2, so that under the action of locking assembly 5, window frame 3 can drive glass plate 4 to be at specified height and block the front of fume hood body 1, and the bottom of window frame 3 can leave certain gap, so that operator can operate, unlocking assembly 6 is arranged in the inside of window frame 3, and unlocking assembly 6 is used to unlock locking assembly 5, so that the height of window frame 3 can be directly adjusted.

[0038] ​Further, the locking assembly 5 comprises a locking rod 51 and locking slots, the outer wall of the locking rod 51 is sleeved with the window frame 3, and a plurality of locking slots are equidistantly arranged on the inner wall of the mounting rail 2, the outer wall of the locking rod 51 is slidably connected with the inner cavity of the locking slot, so that the outer wall of the locking rod 51 is connected with the corresponding locking slot, and the window frame 3 and the glass plate 4 are at the corresponding height.

[0039] Specifically, the locking assembly 5 further comprises a fixed sleeve ring 52, a limiting block 53 and a limiting spring 54, the fixed sleeve ring 52 is fixedly sleeved on the outside of the locking rod 51, the fixed sleeve ring 52 is slidably sleeved on the inside of the mounting chamber, the limiting block 53 is fixedly connected to the inside of the mounting chamber, the outer wall of the locking rod 51 is slidably sleeved with the limiting block 53, the limiting spring 54 is slidably sleeved on the outside of the locking rod 51, and the limiting spring 54 is located between the fixed sleeve ring 52 and the limiting block 53. The limiting spring 54 can provide an elastic force to the locking rod 51 through the fixed sleeve ring 52, so that the locking rod 51 and the locking slot on the mounting rail 2 are kept in a stable clamping state. Embodiment

[0040] On the basis of embodiment 1, the unlocking assembly 6 comprises a connecting shaft 61, a connecting rope 62, a handle 63, a hinged part 64 and a connecting sleeve ring 65, the connecting shaft 61 is rotatably installed on the inside of the mounting chamber, one end of the connecting rope 62 is fixedly connected with the locking rod 51, the connecting shaft 61 is used for winding and pulling the connecting rope 62, the hinged part 64 is installed on the outside of the connecting shaft 61, the outer wall of the connecting sleeve ring 65 is connected with the hinged part 64, and the other end of the connecting rope 62 is connected with the connecting sleeve ring 65, so that rotating the connecting shaft 61 can make the connecting shaft 61 pull the two connecting ropes 62 through the two connecting sleeve rings 65, so that the two connecting ropes 62 pull the two locking rods 51 to move relatively, so that the locking rod 51 is separated from the locking slot, and the window frame 3 is unlocked. The handle 63 is rotatably installed on the bottom of the front of the window frame 3, the handle 63 is connected with the connecting shaft 61, that is, the handle 63 is clamped with the shaft end of the connecting shaft 61, so that the handle 63 can drive the connecting shaft 61 to rotate, and the handle 63 can also drive the window frame 3 to move up and down.

[0041] Further, the unlocking assembly 6 further comprises a fixed shaft 66 and a wire passing wheel 67, the fixed shaft 66 is fixedly connected to the inside of the mounting chamber, and the wire passing wheel 67 is rotatably sleeved on the outside of the fixed shaft 66. The wire passing wheel 67 is used for guiding the connecting rope 62, as shown in Fig. 3 One of the wire passing wheels 67 is located at the bottom of one of the connecting ropes 62, and the other wire passing wheel 67 is located at the top of the other connecting rope 62, so that the handle 63 drives the connecting shaft 61 to rotate counterclockwise, and when the connecting shaft 61 pulls the connecting rope 62 through the connecting sleeve ring 65, the two wire passing wheels 67 can guide and limit the two connecting ropes 62.

[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A laboratory-grade environmentally friendly fume hood, characterized in that, include: Fume hood (1); Mounting rails (2) are symmetrically mounted on the ventilation cabinet (1); Window frame (3), the side of the outer wall of the window frame (3) is slidably connected to the mounting guide rail (2); Glass plate (4), which is fixedly embedded inside the window frame (3); Locking component (5), the bottom of the window frame (3) is provided with a mounting chamber for installing the locking component (5), the locking component (5) is used to lock the position of the window frame (3) inside the mounting guide rail (2); Unlocking component (6), which is located inside the window frame (3), is used to unlock the locking component (5).

2. The environmentally friendly fume hood for laboratory use according to claim 1, characterized in that, The locking component (5) includes: Locking rod (51), the outer wall of which is slidably inserted into the window frame (3); The locking groove is equidistantly opened on the inner wall of the mounting guide rail (2), and one end of the outer wall of the locking rod (51) is slidably engaged with the inner cavity of the locking groove.

3. The laboratory environmentally friendly air purification type fume hood according to claim 2, characterized in that, The locking component (5) further includes: A retaining collar (52) is fixedly sleeved on the outside of the locking rod (51); The limiting block (53) is fixedly connected to the inside of the installation chamber, and the outer wall of the locking rod (51) is slidably inserted into the limiting block (53); A limiting spring (54) is slidably sleeved on the outside of the locking rod (51) and the limiting spring (54) is located between the fixing collar (52) and the limiting block (53).

4. A laboratory environmentally friendly air purification type fume hood according to claim 3, characterized in that, The unlocking component (6) includes: A connecting shaft (61) is rotatably mounted inside the mounting chamber; A connecting rope (62) is provided, one end of which is fixedly connected to a locking rod (51). The connecting shaft (61) is used to wind up and pull the connecting rope (62). A handle (63) is rotatably mounted on the bottom of the front of the window frame (3), and the handle (63) is connected to a connecting shaft (61).

5. A laboratory environmentally friendly air purification type fume hood according to claim 4, characterized in that, The unlocking component (6) also includes: A hinge (64) is mounted on the outside of the connecting shaft (61); A connecting collar (65) is provided, the outer wall of which is connected to a hinge (64), and the other end of the connecting rope (62) is connected to the connecting collar (65).

6. A laboratory environmentally friendly air purification type fume hood according to claim 5, characterized in that, The unlocking component (6) also includes: A fixed shaft (66) is fixedly connected to the interior of the mounting chamber; The guide wheel (67) is rotatably sleeved on the outside of the fixed shaft (66) and is used to guide the connecting rope (62).

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