CN220929790U

CN220929790U - PP fan for laboratory exhaust

Info

Publication number: CN220929790U
Application number: CN202322551246.5U
Authority: CN
Inventors: 倪春祥; 姚健刚
Original assignee: Suzhou Xinyida Purification Equipment Technology Co ltd
Current assignee: Suzhou Xinyida Purification Equipment Technology Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-05-10
Anticipated expiration: 2033-09-20

Abstract

The utility model discloses a PP fan for laboratory exhaust, which comprises a first ventilation pipe, wherein the upper end of the first ventilation pipe is fixedly connected with a corrugated pipe, the upper end of the corrugated pipe is fixedly connected with a second ventilation pipe, the inner side of the second ventilation pipe is provided with a fan body, the inner side of the second ventilation pipe is fixedly connected with a fixed block, one side of the fixed block is provided with a filter screen, one side of the filter screen is fixedly connected with a handle, the disassembly and replacement of the filter screen are not simple enough, and when a worker needs to disassemble and replace the filter screen, the whole operation is troublesome, and the replacement efficiency is low.

Description

PP fan for laboratory exhaust

Technical Field

The utility model relates to the technical field of exhaust fans, in particular to a PP fan for laboratory exhaust.

Background

When designing and selecting a fan, the exhaust system of a laboratory needs to consider a plurality of factors including air quantity, air pressure, working environment, using conditions and the like, and the PP fan is made of polypropylene (PP) material, has the characteristics of corrosion resistance, wear resistance, high temperature resistance, good insulating property and the like, is suitable for being used in a special gas environment, and is widely applied to the fields of ventilation, exhaust and exhaust of laboratory sites.

The utility model patent with the bulletin number of CN215333485U discloses a PP fan for a laboratory exhaust system, which comprises a pipe body A, wherein a fan is arranged in the pipe body A, the left side position of the fan is fixedly connected with one end of a connecting pipe, the other end of the connecting pipe is fixedly connected with a pipe body B, the outer side wall of the pipe body B is in clamping connection with the inner side wall of a clamping groove, the clamping groove is formed in the outer wall of the right side of a clamping plate, the outer wall of the left side of the clamping plate is fixedly connected with one end of a rotating shaft, the other end of the rotating shaft is fixedly connected with an output shaft of a motor, and the outer wall of the opening end of the clamping groove is detachably connected with the clamping plate through a bolt A; the air inlet can be used in multiple angles and multiple directions, can be used for timely sealing when not in use, and can be used for timely filtering and purifying the gas exhausted from the laboratory, and the fan is simple in structure, high in practicability and suitable for being widely popularized and used.

For the above scheme, the inventor believes that although impurities and peculiar smell in the air can be removed through the filter screen in the scheme, when the filter screen is used for a long time, excessive dust can be accumulated on the surface and the inside of the filter screen, so that the filtering effect of the filter screen is reduced, but the disassembly and replacement of the filter screen in the scheme are not simple enough, and when a worker needs to disassemble and replace the filter screen, the whole operation is troublesome, and the replacement efficiency is low.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model aims to provide the PP fan for exhausting air in a laboratory, which is simple and convenient to operate when a filter screen is disassembled or assembled, and is matched with a clamping block for use, so that the stability of the fan is improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a laboratory is exhausted and is used PP fan, includes first ventilation pipe, the upper end fixedly connected with bellows of first ventilation pipe, the upper end fixedly connected with second ventilation pipe of bellows, the inboard of second ventilation pipe is provided with the fan body, the inboard fixedly connected with fixed block of second ventilation pipe, one side of fixed block is provided with the filter screen, one side fixedly connected with handle of filter screen, hollow groove has been seted up in the outside of second ventilation pipe, the second ventilation pipe is located the inside of hollow groove has the hinge arc through hinge swing joint, the fixed block with be provided with joint mechanism between the filter screen.

As a preferable scheme of the utility model, the clamping mechanism comprises an inserting block fixedly connected to one side of the filter screen, a clamping groove is formed in one side of the fixing block, the inserting block is movably inserted into the clamping groove, a mounting groove is formed in one side of the inserting block, the inserting block is fixedly connected with a spring in the mounting groove, one end of the spring is fixedly connected with a clamping block, and the clamping block is movably clamped on the inner side of the clamping groove.

As a preferable scheme of the utility model, the insert block is positioned in the mounting groove and is fixedly connected with a rebound rubber block, one end of the rebound rubber block is fixedly connected with the clamping block, and the rebound rubber block is arranged on the inner side of the spring.

As a preferable scheme of the utility model, the outer side of the second ventilation pipe is fixedly connected with a connecting plate, the inner side of the connecting plate is fixedly connected with an electric telescopic rod, the outer side of the corrugated pipe is fixedly connected with a rotating ring block, and the electric telescopic rod is rotationally connected with the rotating ring block.

As a preferable scheme of the utility model, the outer side of the second ventilation pipe is fixedly connected with a fixed arc block, the outer side of the fixed arc block is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a fixed plate, and one side of the fixed plate is provided with a thread groove.

As a preferable scheme of the utility model, the outer side of the second ventilation pipe is fixedly connected with a plurality of fixed sponge layers, and the fixed sponge layers are used for sound insulation.

As a preferable scheme of the utility model, the outer side of the first ventilation pipe is connected with a threaded block in a threaded manner, and the lower side of the threaded block is fixedly connected with an extension block.

Compared with the prior art, the utility model has the advantages that:

1. The setting of joint mechanism in this device for when the staff need dismantle or install the filter screen from one side of fixed block, the operation is got up and can be enough simple, convenient, has not only reduced the operation when changing the filter screen, and has improved the work efficiency when changing the filter screen.

2. The insert block in the device can be matched with the clamping block, the rebound rubber block is fixed and connected, and the rebound rubber block can limit the expansion of the spring, so that the spring is not easy to deform and deviate when expanding.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic structural diagram of a filter according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a clamping block according to an embodiment of the utility model.

The reference numerals in the figures illustrate:

1. A first ventilation pipe; 2. a bellows; 3. a second ventilation pipe; 4. a fan body; 51. fixing the arc-shaped block; 52. a connecting rod; 53. a fixing plate; 54. a thread groove; 61. a connecting plate; 62. an electric telescopic rod; 63. rotating the ring block; 71. a fixed block; 72. a filter screen; 73. a handle; 81. inserting blocks; 82. a clamping groove; 83. a mounting groove; 84. a spring; 85. a clamping block; 9. a rebound rubber block; 101. a hollow groove; 102. a hinge shaft arc plate; 11. fixing the sponge layer; 12. a screw block; 13. and (5) extending the block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Referring to fig. 1-4, a PP fan for exhausting air in a laboratory includes a first ventilation pipe 1, the upper end fixedly connected with bellows 2 of the first ventilation pipe 1, the upper end fixedly connected with second ventilation pipe 3 of bellows 2, the inboard of second ventilation pipe 3 is provided with fan body 4, first ventilation pipe 1 accessible bellows 2 plays the effect of installation and connection to second ventilation pipe 3, and second ventilation pipe 3 then can fix fan body 4, fan body 4 will be accessible first ventilation pipe 1 adsorbs the air in the laboratory when the operation, and discharge through second ventilation pipe 3, the inboard fixedly connected with fixed block 71 of second ventilation pipe 3, one side of fixed block 71 is provided with filter screen 72, one side fixedly connected with handle 73 of filter screen 72, second ventilation pipe 3 still can play the effect of installation and fixation to fixed block 71, filter screen 72 can play the filtration and remove the effect to peculiar smell and the impurity in the air, thereby increase the clean of the air of exhaust, simultaneously the setting of handle 73, make the staff take enough when need take out to the filter screen 72.

Specifically, the hollow groove 101 has been seted up in the outside of second ventilation pipe 3, second ventilation pipe 3 is located the inside of hollow groove 101 and has articulated hinge arc 102 through the hinge activity, the effect of installation and connection is played to hinge arc 102 to second ventilation pipe 3 accessible hollow groove 101, and the setting of hinge arc 102, make when the staff need take out the inboard that filter screen 72 goes from second ventilation pipe 3, can be convenient enough, simply, be provided with joint mechanism between fixed block 71 and the filter screen 72, joint mechanism's setting, make when the staff need dismantle or install the filter screen 72 from one side of fixed block 71, the operation is got up and can be enough simply, conveniently, not only reduced the operation when changing the filter screen 72, and work efficiency when changing filter screen 72 has been increased.

Specifically, the clamping mechanism includes the inserted block 81 of fixed connection in filter screen 72 one side, draw-in groove 82 has been seted up to one side of fixed block 71, the movable grafting of inserted block 81 is in the inside of draw-in groove 82, the filter screen 72 can play certain installation and fixed effect to inserted block 81, and after inserting to the inside of draw-in groove 82, fixed block 71 then accessible inserted block 81 and draw-in groove 82's relation of connection, play the connection and the certain spacing effect to filter screen 72, the mounting groove 83 has been seted up to one side of inserted block 81, the inside fixedly connected with spring 84 of inserted block 81 in mounting groove 83, the one end fixedly connected with fixture block 85 of spring 84, fixture block 85 movable joint is in the inboard of draw-in groove 82, the accessible mounting groove 83 of inserted block 81 is installed, fixed to spring 84, and spring 84 then can be connected to fixture block 85, and after spring 84 receives the elasticity of oneself, and drive fixture block 85 and reset to the inside of draw-in groove 82, can be smooth through the connection of oneself and draw-in groove 82, thereby make filter screen 72 stable with smooth use.

Specifically, the insert block 81 is located the inside fixedly connected with resilience rubber block 9 of mounting groove 83, and fixed connection between the one end of resilience rubber block 9 and fixture block 85, and resilience rubber block 9 sets up in the inboard of spring 84, and insert block 81 can cooperate with fixture block 85, plays fixed and connected effect to resilience rubber block 9, and resilience rubber block 9 then can play limiting displacement to spring 84 for spring 84 is difficult for taking place deformation, skew when flexible.

Specifically, the outside fixedly connected with connecting plate 61 of second ventilation pipe 3, the inboard fixedly connected with electric telescopic handle 62 of connecting plate 61, the outside fixedly connected with of bellows 2 rotates the ring piece 63, and rotate between electric telescopic handle 62 and the ring piece 63 and be connected, the electric telescopic handle 62 is installed, fixed to second ventilation pipe 3 accessible connecting plate 61, and bellows 2 then can be connected to the ring piece 63, electric telescopic handle 62 will promote bellows 2 through rotating ring piece 63 when flexible through the operation of oneself, and bellows 2 when being promoted, then can be smooth drive first ventilation pipe 1 and remove, thereby realize changing the effect of first ventilation pipe 1 position and angle.

Specifically, the fixed arc piece 51 of outside fixedly connected with of second ventilation pipe 3, the outside fixedly connected with connecting rod 52 of fixed arc piece 51, the one end fixedly connected with fixed plate 53 of connecting rod 52, screw thread groove 54 has been seted up to one side of fixed plate 53, the fixed plate 53 is connected through connecting rod 52 to the installation of connecting rod 52 to second ventilation pipe 3 accessible fixed arc piece 52, and the seting up of screw thread groove 54, make when the staff is in need to be connected to one side of wall body with first ventilation pipe 1, bellows 2 and second ventilation pipe 3, can be enough smooth, simple.

Specifically, the outside fixedly connected with fixed sponge layer 11 of second ventilation pipe 3, fixed sponge layer 11 is provided with a plurality of, and fixed sponge layer 11 is used for giving sound insulation, and fixed sponge layer 11 not only can play certain guard action to the outside of second ventilation pipe 3 to can effectually reduce the produced noise of fan body 4 when using, reduce the influence of noise to staff when fan body 4 operates.

Specifically, the outside threaded connection of first ventilation pipe 1 has screw thread piece 12, and the downside fixedly connected with extension piece 13 of screw thread piece 12 can play certain closure effect to first ventilation pipe 1 to make when the staff is when needs are tentatively closed first ventilation pipe 1, the closure of first ventilation pipe 1 can be enough simple, and the setting of extension piece 13 simultaneously can make things convenient for the staff to rotate screw thread piece 12.

The working principle and the using flow of the utility model are as follows: the fan body 4 can bleed when this device is used, make the inside that air in the laboratory can be smooth enter into first ventilation pipe 1, and the inboard from second ventilation pipe 3 is discharged, simultaneously filter screen 72 can get rid of peculiar smell and impurity in the air, after filter screen 72 is long-term to use, the staff can change filter screen 72, when changing, the staff can open hinge arc 102, and pull handle 73, handle 73 will drive filter screen 72 and inserted block 81 and remove when being pulled, and inserted block 81 will drive fixture block 85 and remove together when removing, and fixture block 85 will contact with fixed block 71 after removing to certain distance, extrude, and slide to the inside of mounting groove 83, and after fixture block 85 is at the inboard of completely sliding to mounting groove 83, will cancel the joint between the draw-in groove 82, at this moment the staff can be smooth with filter screen 72 dismantle from one side of fixed block 71.

After that, the worker only needs to install the new filter screen 72, and only needs to insert the insert block 81 into the clamping groove 82 during installation, and after the insert block 81 is completely inserted into the clamping groove 82, the clamping block 85 is clamped to the inner side of the clamping groove 82, so that the installation of the new filter screen 72 is realized, the problems that the disassembly and replacement of the filter screen are not simple enough, and when the worker needs to disassemble and replace the filter screen, the whole operation is troublesome and the replacement efficiency is low are solved.

While the utility model has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a laboratory is exhausted air and is used PP fan, includes first ventilation pipe (1), its characterized in that: the novel air conditioner is characterized in that the upper end of the first ventilation pipe (1) is fixedly connected with the corrugated pipe (2), the upper end of the corrugated pipe (2) is fixedly connected with the second ventilation pipe (3), the fan body (4) is arranged on the inner side of the second ventilation pipe (3), the fixing block (71) is fixedly connected with the inner side of the second ventilation pipe (3), the filter screen (72) is arranged on one side of the fixing block (71), the handle (73) is fixedly connected with one side of the filter screen (72), the hollow groove (101) is formed in the outer side of the second ventilation pipe (3), the second ventilation pipe (3) is located in the hollow groove (101), the hinge arc plate (102) is hinged through the hinge, and the clamping mechanism is arranged between the fixing block (71) and the filter screen (72).

2. The PP fan for laboratory exhaust as set forth in claim 1, wherein: the clamping mechanism comprises an inserting block (81) fixedly connected to one side of the filter screen (72), a clamping groove (82) is formed in one side of the fixing block (71), the inserting block (81) is movably inserted into the clamping groove (82), a mounting groove (83) is formed in one side of the inserting block (81), the inserting block (81) is located in the mounting groove (83) and fixedly connected with a spring (84), a clamping block (85) is fixedly connected to one end of the spring (84), and the clamping block (85) is movably clamped to the inner side of the clamping groove (82).

3. The PP fan for laboratory exhaust as set forth in claim 2, wherein: the inserting block (81) is located in the mounting groove (83), a rebound rubber block (9) is fixedly connected to the inside of the mounting groove, one end of the rebound rubber block (9) is fixedly connected with the clamping block (85), and the rebound rubber block (9) is arranged on the inner side of the spring (84).

4. The PP fan for laboratory exhaust as set forth in claim 1, wherein: the outside fixedly connected with connecting plate (61) of second ventilation pipe (3), the inboard fixedly connected with electric telescopic handle (62) of connecting plate (61), the outside fixedly connected with of bellows (2) rotates ring piece (63), just electric telescopic handle (62) with rotate between ring piece (63) and be connected.

5. The PP fan for laboratory exhaust as set forth in claim 1, wherein: the air conditioner is characterized in that a fixed arc block (51) is fixedly connected to the outer side of the second ventilation pipe (3), a connecting rod (52) is fixedly connected to the outer side of the fixed arc block (51), a fixing plate (53) is fixedly connected to one end of the connecting rod (52), and a thread groove (54) is formed in one side of the fixing plate (53).

6. The PP fan for laboratory exhaust as set forth in claim 1, wherein: the outside fixedly connected with of second ventilation pipe (3) is fixed sponge layer (11), fixed sponge layer (11) are provided with a plurality of, just fixed sponge layer (11) are used for giving sound insulation.

7. The PP fan for laboratory exhaust as set forth in claim 1, wherein: the outside threaded connection of first ventilation pipe (1) has screw thread piece (12), the downside fixedly connected with extension piece (13) of screw thread piece (12).