Corrosion-resistant high-strength ventilation cabinet

Abstract

The utility model relates to the technical field of laboratory supplies, in particular to a corrosion-resistant high-strength ventilation cabinet. The corrosion-resistant high-strength ventilation cabinet solves the technical problem that a ventilation cabinet in the prior art is inconvenient to clean. A corrosion-resistant high-strength ventilation cabinet comprises a cabinet body. The fan is arranged in the cabinet body, a ventilation cavity is formed in the cabinet body, the fan exhausts air in the ventilation cavity, the cabinet body is further provided with an air inlet hole, and the air inlet hole is communicated with the ventilation cavity; by arranging the cleaning assembly, the cleaning assembly can conveniently clean the side wall of the ventilation cavity, people do not need to enter the ventilation cavity in the cleaning process, cleaning of the side wall of the ventilation cavity can be completed only by rotating the lead screw, and operation is very convenient. And dirt attached to the side wall of the ventilation cavity can be conveniently cleaned in the displacement process of the cleaning ring relative to the side wall of the ventilation cavity, so that the ventilation cabinet is easy to clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to laboratory supplies technical field especially, relates to a kind of corrosion-resistant high-strength fume hood. BACKGROUND

[0002] The function of fume hood is mainly exhaust function, in chemical laboratory, various harmful gases and flammable, explosive, corrosive substances are generated during experiment operation, in order to protect the safety of user, fume hood is used near pollution source, and its main function is to provide safe working environment for harmful gas emission and chemical operation. Therefore, in the daily use of laboratory, the normal operation of fume hood needs to be guaranteed.

[0003] The fume hood in prior art does not have automatic cleaning function, and manual cleaning is needed after a period of use to ensure the ventilation performance of fume hood. However, the manual cleaning method has low cleaning efficiency and high labor intensity for operator.

[0004] Therefore, the fume hood in prior art has the technical problem of inconvenient cleaning. SUMMARY

[0005] The corrosion-resistant high-strength fume hood provided by the utility model solves the technical problem of inconvenient cleaning of fume hood in prior art.

[0006] Some embodiments for solving the above technical problem include:

[0007] A corrosion-resistant high-strength fume hood includes a cabinet body.

[0008] A fan is arranged in the cabinet body, and an air vent is arranged in the cabinet body.

[0009] A cleaning assembly is arranged in the air vent.

[0010] A partition is arranged in the air vent, and the air vent is divided into an upper cavity and a lower cavity by the partition.

[0011] The cleaning assembly includes a lead screw rotatably connected to the partition, and the lead screw extends into the upper cavity.

[0012] The cleaning assembly further includes a guide mechanism for reciprocating the cleaning ring along the axis of the lead screw.

[0013] As a preferred, the lead screw is driven by a motor, the motor is installed on the partition plate, and the motor is located in the lower cavity, the partition plate is provided with a through hole for the lead screw to pass through.

[0014] As a preferred, the partition plate is provided with a sewage discharge groove penetrating through the partition plate, and a sewage receiving box is further arranged in the lower cavity, and the sewage discharged in the sewage discharge groove falls into the sewage receiving box under the action of gravity.

[0015] As a preferred, the sewage receiving box is located directly below the sewage discharge groove, the sewage receiving box is inserted into the cabinet, the cabinet is provided with an opening for mounting the sewage receiving box, and the opening is communicated with the lower cavity.

[0016] As a preferred, the bottom wall of the sewage receiving box is in contact with the bottom wall of the cabinet, and a damping layer is arranged between the bottom wall of the sewage receiving box and the bottom wall of the cabinet, and the damping layer is bonded to the bottom wall of the sewage receiving box.

[0017] As a preferred, the guide mechanism comprises a cylinder body installed on the partition plate, the upper end of the cylinder body is closed, the lead screw is located in the cylinder body, the guide mechanism further comprises a guide rod and a center seat arranged on the guide rod, the screw hole is arranged on the center seat, the cleaning ring is installed on the center seat through the guide rod, the cylinder body is provided with a strip-shaped groove matched with the guide rod, and the strip-shaped groove penetrates through the side wall of the cylinder body.

[0018] As a preferred, the guide rod is at least two, and the at least two guide rods are symmetrically arranged along the center line of symmetry of the center seat, and each strip-shaped groove corresponds to an independent guide rod.

[0019] As a preferred, the cross-sectional shape of the guide rod is polygonal, and the guide rod and the center seat are in an integral structure.

[0020] As a preferred, the cleaning ring is fixed to the guide rod through a screw, and the cleaning ring comprises a ring body and a cleaning block arranged on the ring body, and the ring body is provided with an inclined surface, and the sewage scraped off by the ring body enters the sewage discharge groove through the inclined surface under the action of gravity.

[0021] As a preferred, the guide rod is further provided with a cleaner, and the cleaner is in contact with the outer wall of the cylinder body and scrapes off the sewage on the outer wall of the cylinder body.

[0022] Compared with the prior art, the utility model has the following advantages:

[0023] By setting the cleaning assembly, the cleaning assembly can conveniently clean the side wall of the ventilation cavity, without the need for personnel to enter the ventilation cavity during the cleaning process, and only the rotation of the lead screw can complete the cleaning of the side wall of the ventilation cavity, which is very convenient to operate.

[0024] By setting the lead screw and the cleaning ring, rotating the lead screw, the lead screw drives the cleaning ring to reciprocate relative to the side wall of the ventilation cavity through the guide mechanism, and the cleaning ring cleans the dirt attached to the side wall of the ventilation cavity during displacement relative to the side wall of the ventilation cavity, so that the fume hood is easy to clean.

[0025] In addition, the lead screw and the screw hole have self-locking property, after the lead screw drives the cleaning ring to move to the target position, the rotation of the lead screw is stopped, and the cleaning ring is positioned at the position, without the need for setting an independent locking mechanism, and the cleaning ring can also be prevented from suddenly falling during the cleaning process, thereby improving the stability of the cleaning assembly. BRIEF DESCRIPTION OF DRAWINGS

[0026] For the purpose of explanation, several embodiments of the present technology are set forth in the following drawings. The following drawings are incorporated in this text and form a part of the specific embodiments. In some cases, the well-known structures and components are shown in block diagram form in order to avoid obscuring the concepts of the present subject technology.

[0027] Figure 1 It is an internal structure diagram of the present application.

[0028] Figure 2 It is a schematic diagram of the present application.

[0029] Figure 3 It is Figure 2 Schematic diagram after omitting the cabinet body.

[0030] Figure 4 It is Figure 3 Schematic diagram after omitting the fan and the barrel.

[0031] Figure 5 It is Figure 4 Schematic diagram after omitting the partition plate and the dirt collecting box.

[0032] Figure 6 It is a schematic diagram of the cleaning ring.

[0033] Shown in the figure:

[0034] 1, cabinet body, 11, fan, 12, ventilation cavity, 13, air inlet, 14, partition plate, 141, dirt discharge groove, 15, upper cavity, 16, lower cavity.

[0035] 2, cleaning assembly, 21, screw rod, 22, cleaning ring, 221, ring body, 222, cleaning block, 23, motor, 24, dirt box, 25, barrel, 251, strip-shaped groove, 26, guide rod, 261, cleaner, 27, center seat. DETAILED DESCRIPTION

[0036] The specific embodiments shown below are intended to serve as a description of the various configurations of the subject technology and are not intended to represent the only configurations in which the subject technology can be practiced. The specific embodiments include specific details for the purposes of providing a thorough understanding of the subject technology. However, it will be apparent to those skilled in the art that the subject technology can be practiced without

[0037] It can be understood that, in this document, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another, without necessarily implying any actual relationship or order between such entities or actions.

[0038] The terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0039] SUMMARY Figures 1 to 6 As shown in the drawings, a kind of corrosion-resistant high-strength fume hood, including cabinet 1;

[0040] Fan 11, the fan 11 is arranged in the cabinet 1, the cabinet 1 is provided with ventilation cavity 12, the fan 11 removes the air in the ventilation cavity 12, the cabinet 1 is also provided with air inlet hole 13, the air inlet hole 13 is communicated with the ventilation cavity 12;

[0041] And cleaning assembly 2, the cleaning assembly 2 is arranged in the ventilation cavity 12;

[0042] Wherein, the ventilation cavity 12 is provided with baffle 14, the baffle 14 divides the ventilation cavity 12 into upper cavity 15 and lower cavity 16, the ventilation hole is communicated with the upper cavity 15, the fan 11 removes the gas in the upper cavity 15;

[0043] The cleaning assembly 2 comprises a screw rod 21 rotatably connected to the partition plate 14, the screw rod 21 extending into the upper cavity 15, the cleaning assembly 2 further comprises a cleaning ring 22 in contact with the inner wall of the upper cavity 15 and cleaning the inner wall of the upper cavity 15, the cleaning ring 22 is provided with a screw hole matched with the screw rod 21;

[0044] The cleaning assembly 2 further comprises a guide mechanism for reciprocating the cleaning ring 22 along the axial direction of the screw rod 21.

[0045] In some embodiments, the cabinet body 1 can be made of stainless steel material, and a corrosion-resistant coating can be coated on the inner and outer walls of the cabinet body 1, so that the cabinet body 1 has high strength and corrosion resistance.

[0046] Referring to Figures 1 to 6 In some embodiments, the partition plate 14 can be an integral structure with the cabinet body 1, or the partition plate 14 can be fixed to the cabinet body 1 through detachable connection, for example, the partition plate 14 can be fixed to the cabinet body 1 through threaded connection.

[0047] In some embodiments, the screw rod 21 is driven by a motor 23, the motor 23 is installed on the partition plate 14, and the motor 23 is located in the lower cavity 16, the partition plate 14 is provided with a through hole through which the screw rod 21 passes.

[0048] In some embodiments, the screw rod 21 can comprise a matching part, the matching part is matched with the through hole, and a rolling bearing can be arranged between the matching part and the through hole.

[0049] In some embodiments, the partition plate 14 is provided with a sewage discharge groove 141, the sewage discharge groove 141 penetrates through the partition plate 14, and a sewage receiving box 24 is further arranged in the lower cavity 16, the sewage discharged from the sewage discharge groove 141 falls into the sewage receiving box 24 under the action of gravity.

[0050] Referring to Figures 1 to 6 In some embodiments, the partition plate 14 can also be provided with a ring groove, the ring groove is arranged on the end face of the partition plate 14 close to the upper cavity 15, and the sewage removed by the cleaning ring 22 falls into the lowest position of the ring groove under the action of gravity.

[0051] In some embodiments, the sewage discharge groove 141 is arranged at the lowest position of the ring groove.

[0052] In some embodiments, the sewage receiving box 24 is located directly below the sewage discharge groove 141, the sewage receiving box 24 is inserted into the cabinet body 1, the cabinet body 1 is provided with an opening for installing the sewage receiving box 24, and the opening is communicated with the lower cavity 16.

[0053] Referring to Figures 1 to 6As shown, in some embodiments, the bottom wall of the dirt collecting box 24 is in contact with the bottom wall of the cabinet 1, and a damping layer is arranged between the bottom wall of the dirt collecting box 24 and the bottom wall of the cabinet 1, and the damping layer is bonded to the bottom wall of the dirt collecting box 24.

[0054] The damping layer is used to position the dirt collecting box 24 relative to the cabinet 1. The dirt collecting box 24 needs to be cleaned regularly, so the dirt collecting box 24 is directly plugged into the cabinet 1 to facilitate cleaning of the dirt collecting box 24.

[0055] In some embodiments, the guide mechanism includes a cylinder 25 mounted to the partition plate 14, the upper end of the cylinder 25 is closed, the lead screw 21 is located in the cylinder 25, the guide mechanism further includes a guide rod 26 and a center seat 27 arranged on the guide rod 26, the screw hole is arranged on the center seat 27, the cleaning ring 22 is mounted on the center seat 27 through the guide rod 26, the cylinder 25 is provided with a strip-shaped groove 251 matched with the guide rod 26, and the strip-shaped groove 251 penetrates the side wall of the cylinder 25.

[0056] Referring to Figures 1 to 6 As shown, in some embodiments, the cylinder 25 can be fixed to the partition plate 14 by detachable connection, such as threaded connection.

[0057] In some embodiments, the upper end of the lead screw 21 can be provided with a support bearing, the inner ring of the support bearing is in interference fit with the lead screw 21, and the outer ring of the support bearing is in interference fit with the cylinder 25.

[0058] In some embodiments, the guide rod 26 is at least two, and the at least two guide rods 26 are symmetrically arranged along the center line of symmetry of the center seat 27, and each strip-shaped groove 251 corresponds to an independent guide rod 26.

[0059] In some embodiments, the cross-sectional shape of the guide rod 26 is polygonal, and the guide rod 26 and the center seat 27 are an integral structure.

[0060] In some embodiments, the cleaning ring 22 is fixed to the guide rod 26 by a screw, and the cleaning ring 22 includes a ring body 221 and a cleaning block 222 arranged on the ring body 221, and the ring body 221 is provided with an inclined surface, and the dirt scraped off by the ring body 221 passes through the inclined surface and enters the dirt discharging groove 141 under the action of gravity.

[0061] Referring to Figures 1 to 6 As shown, in some embodiments, the bottom wall of the cabinet 1 can be detachably connected with the side wall of the cabinet 1 to facilitate maintenance of the cabinet 1. For example, the bottom wall of the cabinet 1 can be connected with the cabinet 1 by a screw.

[0062] In some embodiments, the guide rod 26 is further provided with a cleaner 261, which is in contact with the outer wall of the barrel 25 and scrapes off dirt on the outer wall of the barrel 25.

[0063] In some embodiments, the cleaner 261 can be fixed to the guide rod 26 by a screw.

[0064] In some embodiments, the cleaner 261 can be a rubber layer.

[0065] In some embodiments, the cleaning block 222 can be made of rubber, and the ring body 221 can also be made of rubber.

[0066] In some embodiments, the cleaning block 222 can be fixed to the ring body 221 by a screw, so that the ring body 221 or the cleaning block 222 can be replaced independently after being worn out.

[0067] The above describes the subject technical scheme of the utility model and the corresponding details, and it can be understood that the above description is only some embodiments of the subject technical scheme of the utility model, and some details can be omitted in the specific implementation.

[0068] In addition, in some embodiments of the utility model, a plurality of embodiments can be combined for implementation, and various combination schemes are not listed one by one due to the length. Those skilled in the art can freely combine the above embodiments according to the needs in the specific implementation to obtain better application experience.

[0069] Those skilled in the art can obtain other detailed configurations or drawings according to the subject technical scheme of the utility model and the drawings when implementing the subject technical scheme of the utility model, and it is obvious that these details still belong to the range covered by the subject technical scheme of the utility model without departing from the subject technical scheme of the utility model.

Claims

1. A corrosion resistant high strength fume hood characterized by: The utility model provides a cabinet, including cabinet (1), fan (11), fan (11) is arranged in cabinet (1), be provided with ventilation cavity (12) in cabinet (1), fan (11) removes air in ventilation cavity (12), cabinet (1) is provided with air inlet hole (13) still, air inlet hole (13) with ventilation cavity (12) are communicated, and cleaning assembly (2) is provided with ventilation cavity (12) in, wherein, ventilation cavity (12) is provided with baffle (14), baffle (14) divides ventilation cavity (12) into upper chamber (15) and lower chamber (16), air inlet hole with upper chamber (15) are communicated, and fan (11) removes gas in upper chamber (15), cleaning assembly (2) includes the lead screw (21) of rotation connection in baffle (14), and the lead screw (21) extends to upper chamber (15), and cleaning assembly (2) further includes cleaning ring (22), and cleaning ring (22) is contacted with the inner wall of upper chamber (15) and cleans the inner wall of upper chamber (15), and cleaning ring (22) is provided with the screw hole of cooperation with the lead screw (21), and cleaning assembly (2) further includes the guide mechanism of making cleaning ring (22) reciprocating motion along the axis direction of lead screw (21).

2. The corrosion-resistant high-strength fume hood according to claim 1, characterized in that: The lead screw (21) is driven by a motor (23), the motor (23) is installed on the baffle (14), and the motor (23) is located in the lower chamber (16), the baffle (14) is provided with a through hole for the lead screw (21) to pass through.

3. The corrosion-resistant high-strength fume hood according to claim 2, characterized in that: The baffle (14) is provided with a sewage discharge groove (141) that penetrates the baffle (14), and the lower chamber (16) is further provided with a sewage receiving box (24), and the sewage discharged in the sewage discharge groove (141) falls into the sewage receiving box (24) under the action of gravity.

4. The corrosion-resistant high-strength fume hood according to claim 3, characterized in that: The sewage receiving box (24) is located directly below the sewage discharge groove (141), the sewage receiving box is inserted into the cabinet (1), the cabinet (1) is provided with an opening for installing the sewage receiving box (24), and the opening is communicated with the lower chamber (16).

5. The corrosion-resistant high-strength fume hood according to claim 4, characterized in that: The bottom wall of the sewage receiving box (24) is in contact with the bottom wall of the cabinet (1), and a damping layer is provided between the bottom wall of the sewage receiving box (24) and the bottom wall of the cabinet (1), and the damping layer is bonded to the bottom wall of the sewage receiving box (24).

6. The corrosion-resistant high-strength fume hood according to claim 3, characterized in that: The guide mechanism includes a cylinder (25) mounted on the baffle (14), the upper end of the cylinder (25) is closed, the lead screw (21) is located in the cylinder (25), the guide mechanism further includes a guide rod (26) and a center seat (27) provided on the guide rod (26), the screw hole is provided on the center seat (27), the cleaning ring (22) is installed on the center seat (27) through the guide rod (26), and the cylinder (25) is provided with a strip-shaped groove (251) matched with the guide rod (26), and the strip-shaped groove (251) penetrates the side wall of the cylinder (25).

7. The corrosion-resistant high-strength fume hood according to claim 6, characterized in that: The guide rods (26) are at least two, and the at least two guide rods (26) are symmetrically arranged along the center line of symmetry of the center seat (27), and each strip-shaped groove (251) corresponds to an independent guide rod (26).

8. The corrosion-resistant high-strength fume hood according to claim 7, characterized in that: The guide rod (26) is in an integrated structure with the center seat (27).

9. The corrosion-resistant high-strength fume hood according to claim 8, characterized in that: The cleaning ring (22) is fixed to the guide rod (26) by a screw, and the cleaning ring (22) comprises a ring body (221) and a cleaning block (222) arranged on the ring body (221), and the ring body (221) is provided with an inclined surface, and dirt scraped off by the ring body (221) passes through the inclined surface and enters the dirt discharge groove (141) under the action of gravity.

10. The corrosion-resistant high-strength fume hood according to claim 9, characterized in that: The guide rod (26) is further provided with a cleaner (261), and the cleaner (261) is in contact with the outer wall of the barrel (25) and scrapes off dirt on the outer wall of the barrel (25).

Images