CN220444603U

CN220444603U - Experimental ventilation cabinet

Info

Publication number: CN220444603U
Application number: CN202321525246.1U
Authority: CN
Inventors: 张峰; 张杭斌
Original assignee: Zhejiang Gechuang Experimental Equipment Co ltd
Current assignee: Zhejiang Gechuang Experimental Equipment Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-02-06
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses an experiment fume hood, which comprises a fume hood main body, wherein an experiment cavity is arranged in the fume hood main body, a window assembly is arranged at the front side of the experiment cavity, a flow guide assembly is arranged in the experiment cavity, the window assembly comprises two sliding rails, a window and a toughened glass plate, the two sliding rails are respectively arranged on two side walls of the experiment cavity, and the window is arranged between the two sliding rails in a sliding manner; when the height of the window needs to be adjusted, the window can be adjusted up and down only by pressing the lug, the lug is loosened, the window can be locked, hovering is realized, and the use is convenient.

Description

Experimental ventilation cabinet

Technical Field

The utility model relates to an experimental fume hood.

Background

The experiment ventilation cabinet is common ventilation equipment in a laboratory, and has the effects of exhausting and ventilating in the experiment process, and can exhaust harmful gas to prevent workers in the laboratory from being infringed by toxic, pathogenic or unidentified chemical substances; a plurality of existing experiment fume hoods are provided with a window, and meanwhile, pulleys, ropes and balancing weights matched with the window are also arranged, so that the balance of gravity is achieved between the balancing weights and the window to realize hovering of the window, but the structure for keeping the window hovering is heavy, so that the whole load of the fume hood is greatly improved; therefore, it is necessary to develop an experimental fume hood to solve the above problems.

Disclosure of Invention

The utility model aims to provide an experimental fume hood for solving the problems in the background art.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides an experiment fume chamber, includes the fume chamber main part, be equipped with the experiment chamber in the fume chamber main part, the front side in experiment chamber is equipped with window subassembly, is equipped with the water conservancy diversion subassembly in the experiment chamber, window subassembly includes slide rail, window and toughened glass board, the slide rail is two, and two slide rails set up respectively on the both sides wall in experiment chamber, the window slides and sets up between two slide rails, and toughened glass board sets up on the window, the downside of window is equipped with main spout, is equipped with control assembly in the main spout, and control assembly's both sides all are equipped with locking assembly.

Preferably, the control assembly comprises a control groove, a first wedge block and a second wedge block, wherein the control groove is arranged on one side of the main sliding groove, the first wedge block is arranged in the control groove in a sliding mode, a first spring is arranged between the control groove and the first wedge block, a strip-shaped groove is formed in one side wall of the main sliding groove, a bump is fixed on one side face of the first wedge block, the bump is in sliding connection with the strip-shaped groove, the second wedge block is arranged in the main sliding groove in a sliding mode, the second wedge block is two, the two second wedge blocks are respectively arranged on two sides of the first wedge block, the first wedge block is in butt joint with the second wedge block, and one side of each second wedge block is connected with a connecting rod.

Preferably, the locking assembly comprises a fixing plate, a locking sliding block and a rubber pad, wherein the locking sliding block is arranged in the main sliding groove in a sliding mode, the fixing plate is fixed in the main sliding groove, the connecting rod penetrates through the fixing plate to be connected with the locking sliding block, a second spring is arranged between the fixing plate and the locking sliding block, the rubber pad is arranged at one end of the locking sliding block, a rubber strip is arranged in the sliding rail, and the rubber pad is in butt joint with the rubber strip.

Preferably, the first wedge block is in an isosceles trapezoid structure, the second wedge block is in a right trapezoid structure, and the inclined plane of the first wedge block is abutted with the inclined plane of the second wedge block.

Preferably, the front side at the top of the main body of the fume hood is provided with a mounting plate, a mounting through groove is formed in the mounting plate, and the upper part of the sliding rail is arranged in the mounting through groove.

Preferably, the guide assembly comprises a first guide plate and a second guide plate, the first guide plate is connected with the bottom wall and two side walls of the experiment cavity, the second guide plate is connected with the top wall and two side walls of the experiment cavity, the first guide plate is connected with the second guide plate, the second guide plate is arranged in an inclined mode, a plurality of first air guide holes are formed in the first guide plate, a plurality of second air guide holes are formed in the second guide plate, an air ventilation cover is arranged at the top of the main body of the ventilation cabinet, and the air ventilation cover is communicated with the inside of the experiment cavity.

Preferably, the fume chamber main part is last to be equipped with the locker, and the locker is located the downside in experimental chamber.

The beneficial effects of the utility model are as follows: according to the utility model, the main sliding chute and the control assembly are utilized to realize hovering of the window, and are arranged in the window, so that the weight is small, and the whole load of the ventilation cabinet is prevented from being greatly increased; when the height of the window needs to be adjusted, the window can be adjusted up and down only by pressing the lug, the lug is loosened, the window can be locked, hovering is realized, and the use is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, but are not intended to limit the scope of the present utility model.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 at A-A in accordance with the present utility model;

FIG. 3 is an enlarged schematic view of the utility model at B in FIG. 2;

FIG. 4 is a schematic view of the structure of the window assembly of FIG. 1 according to the present utility model;

FIG. 5 is an enlarged schematic view of the utility model at C in FIG. 4;

fig. 6 is an enlarged schematic view of fig. 4 at D in accordance with the present utility model.

In the figure: 11. a fume hood body; 12. an experiment cavity; 13. a window assembly; 14. a storage cabinet; 15. a mounting plate; 16. installing a through groove; 17. a flow guiding assembly; 18. an air-permeable cover; 19. a first deflector; 20. a second guide plate; 21. an air guide hole I; 22. an air guide hole II; 23. a slide rail; 24. a window; 25. tempered glass plate; 26. a main chute; 27. a control assembly; 28. a locking assembly; 29. a control groove; 30. a wedge block I; 31. a first spring; 32. a bump; 33. a bar-shaped groove; 34. a wedge II; 35. a connecting rod; 36. a fixing plate; 37. a second spring; 38. a locking slide; 39. a rubber pad; 40. rubber strips.

Detailed Description

Referring to fig. 1 to 6, an experiment fume chamber is shown, including fume chamber main part 11, be equipped with experiment chamber 12 in the fume chamber main part 11, the front side of experiment chamber 12 is equipped with window subassembly 13, is equipped with water conservancy diversion subassembly 17 in the experiment chamber 12, window subassembly 13 includes slide rail 23, window 24 and toughened glass board 25, slide rail 23 is two, and two slide rails 23 set up respectively on the both sides wall of experiment chamber 12, window 24 slides and sets up between two slide rails 23, and toughened glass board 25 sets up on window 24, the downside of window 24 is equipped with main spout 26, is equipped with control assembly 27 in the main spout 26, and control assembly 27's both sides all are equipped with locking assembly 28.

Further, the control assembly 27 includes a control slot 29, a first wedge 30 and a second wedge 34, the control slot 29 is disposed on one side of the main chute 26, the first wedge 30 is slidably disposed in the control slot 29, a first spring 31 is disposed between the control slot 29 and the first wedge 30, a bar slot 33 is disposed on a side wall of the main chute 26, a bump 32 is fixed on a side surface of the first wedge 30, the bump 32 is slidably connected with the bar slot 33, the second wedge 34 is slidably disposed in the main chute 26, the second wedge 34 is two, the two second wedges 34 are disposed on two sides of the first wedge 30, the first wedge 30 is abutted with the second wedge 34, a connecting rod 35 is connected to one side of each second wedge 34, and the control assembly 27 can control the abutment and separation of the locking assembly 28 and the slide rail 23.

Further, the locking assembly 28 includes a fixing plate 36, a locking slide block 38, and a rubber pad 39, where the locking slide block 38 is slidably disposed in the main chute 26, the fixing plate 36 is fixed in the main chute 26, the connecting rod 35 passes through the fixing plate 36 and is connected with the locking slide block 38, a second spring 37 is disposed between the fixing plate 36 and the locking slide block 38, the rubber pad 39 is disposed at one end of the locking slide block 38, a rubber strip 40 is disposed in the sliding rail 23, the rubber pad 39 abuts against the rubber strip 40, the bump 32 is pressed to slide the first wedge 30 into the control slot 29, the second spring 37 is in a stretched state, the first spring 31 is in a compressed state, the elasticity on the first spring 31 is greater than the elasticity on the second spring 37, so that the first wedge 30 abuts against the second wedge 34 under the action of the first spring 31, the second wedge 34 applies a pushing force to the locking slide block 38 through the connecting rod 35, so that the rubber pad 39 abuts against the rubber strip 40 in the sliding rail 23 tightly, and the window 24 is locked by the friction between the rubber pad 39 and the rubber strip 40.

Further, the first wedge 30 is in an isosceles trapezoid structure, the second wedge 34 is in a right trapezoid structure, the inclined plane of the first wedge 30 is abutted against the inclined plane of the second wedge 34, the inclined plane of the first wedge 30 is always abutted against the inclined plane of the second wedge 34 under the action of the first spring 31 and the second spring 37, and when the first wedge 30 slides in the control groove 29, the two second wedges 34 move along with the control groove.

Further, a mounting plate 15 is arranged on the front side of the top of the fume hood main body 11, a mounting through groove 16 is arranged in the mounting plate 15, and the upper portion of the sliding rail 23 is arranged in the mounting through groove 16.

Further, the flow guiding assembly 17 includes a first flow guiding plate 19 and a second flow guiding plate 20, the first flow guiding plate 19 is connected with the bottom wall and two side walls of the experiment cavity 12, the second flow guiding plate 20 is connected with the top wall and two side walls of the experiment cavity 12, the first flow guiding plate 19 is connected with the second flow guiding plate 20, the second flow guiding plate 20 is arranged in an inclined manner, a plurality of first air guiding holes 21 are formed in the first flow guiding plate 19, a plurality of second air guiding holes 22 are formed in the second flow guiding plate 20, an air ventilating cover 18 is arranged at the top of the ventilating cabinet main body 11, the air ventilating cover 18 is communicated with the inside of the experiment cavity 12, the air ventilating cover 18 can be connected with an external fan or a ventilating pipeline system of the experiment room, air is sucked by the external fan or the ventilating pipeline system of the experiment room, and air in the experiment cavity 12 enters the air guiding cavity formed by the first flow guiding plate 19 and the second flow guiding plate 20 and the inner wall of the experiment cavity 12 through the first air guiding holes 21 and the second air guiding holes 22, and then the air is discharged through the air ventilating cover 18, and thus the inside of the experiment cavity 12 is realized.

Further, the ventilation cabinet main body 11 is provided with a storage cabinet 14, the storage cabinet 14 is located at the lower side of the experiment cavity 12, and the storage cabinet 14 can be used for storing articles.

According to the working principle of the utility model, in the experimental process, when the window 24 needs to be moved up and down to adjust the open area of the front side of the experimental cavity 12, the lug 32 is pressed to enable the wedge block I30 to slide towards the inner side of the control groove 29, the two wedge blocks II 34 are mutually close under the action of the spring II 37, the inclined surface of the wedge block II 34 abuts against the inclined surface of the wedge block I30, at the moment, the locking slide block 38 and the rubber pad 39 move together along with the wedge block II 34 under the action of the connecting rod 35, so that the rubber pad 39 is separated from the rubber strip 40 in the sliding rail 23, the locking of the window 24 is released, the window 24 can be slid up and down, after the window 24 is moved to a proper position, the lug 32 is released, the wedge block I30 is reset under the action of the spring I31, the two wedge blocks II 34 are mutually separated from each other, the connecting rod 35 pushes the locking slide block 38 and the rubber pad 39, and the rubber pad 39 abuts against the rubber strip 40 again tightly, and the position of the window 24 is fixed.

The above is merely a specific embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions that do not undergo the inventive work should be covered in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an experiment fume chamber, includes fume chamber main part, its characterized in that: be equipped with the experiment chamber in the fume chamber main part, the front side in experiment chamber is equipped with window subassembly, is equipped with the water conservancy diversion subassembly in the experiment chamber, window subassembly includes slide rail, window and toughened glass board, the slide rail is two, and two slide rails set up respectively on the both sides wall in experiment chamber, the window slides and sets up between two slide rails, and toughened glass board sets up on the window, the downside of window is equipped with main spout, is equipped with control assembly in the main spout, and control assembly's both sides all are equipped with locking Assembly.

2. An experimental fume hood according to claim 1, wherein: the control assembly comprises a control groove, a first wedge block and a second wedge block, wherein the control groove is arranged on one side of the main sliding groove, the first wedge block is arranged in the control groove in a sliding mode, a first spring is arranged between the control groove and the first wedge block, a strip-shaped groove is formed in one side wall of the main sliding groove, a protruding block is fixed on one side face of the first wedge block, the protruding block is in sliding connection with the strip-shaped groove, the second wedge block is arranged in the main sliding groove in a sliding mode, the second wedge block is two, the two second wedge blocks are respectively arranged on two sides of the first wedge block, the first wedge block is in butt joint with the second wedge block, and one side of each second wedge block is connected with a connecting rod.

3. An experimental fume hood according to claim 2, wherein: the locking assembly comprises a fixing plate, a locking sliding block and a rubber pad, wherein the locking sliding block is arranged in the main sliding groove in a sliding mode, the fixing plate is fixed in the main sliding groove, the connecting rod penetrates through the fixing plate to be connected with the locking sliding block, a second spring is arranged between the fixing plate and the locking sliding block, the rubber pad is arranged at one end of the locking sliding block, a rubber strip is arranged in the sliding rail, and the rubber pad is in butt joint with the rubber strip.

4. An experimental fume hood according to claim 2, wherein: the wedge block I is of an isosceles trapezoid structure, the wedge block II is of a right trapezoid structure, and the inclined plane of the wedge block I is abutted with the inclined plane of the wedge block II.

5. An experimental fume hood according to claim 1, wherein: the front side at fume chamber main part top is equipped with the mounting panel, is equipped with the installation in the mounting panel and leads to the groove, the upper portion setting of slide rail is in the installation leads to the groove.

6. An experimental fume hood according to claim 1, wherein: the flow guide assembly comprises a first flow guide plate and a second flow guide plate, the first flow guide plate is connected with the bottom wall and the two side walls of the experiment cavity, the second flow guide plate is connected with the top wall and the two side walls of the experiment cavity, the first flow guide plate is connected with the second flow guide plate, the second flow guide plate is arranged in an inclined mode, a plurality of first air guide holes are formed in the first flow guide plate, a plurality of second air guide holes are formed in the second flow guide plate, an air ventilation cover is arranged at the top of the main body of the ventilation cabinet, and the air ventilation cover is communicated with the inside of the experiment cavity.

7. An experimental fume hood according to claim 1, wherein: the fume chamber is characterized in that a storage cabinet is arranged on the fume chamber main body and is positioned on the lower side of the experiment cavity.