CN214211677U

CN214211677U - No pipeline filters universal exhaust hood of type

Info

Publication number: CN214211677U
Application number: CN202120042980.7U
Authority: CN
Inventors: 窦现卫
Original assignee: Zhengzhou Chengzhi Laboratory Equipment Engineering Technology Co ltd
Current assignee: Zhengzhou Chengzhi Laboratory Equipment Engineering Technology Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-09-17
Anticipated expiration: 2031-01-08

Abstract

The utility model relates to a laboratory auxiliary assembly technical field specifically is a there is not universal exhaust hood of pipeline filtration type, including device body, protection machanism and fixed establishment, the device body includes the organism, the top of organism is connected with universal arm, one side fixedly connected with cover body of universal arm, protection machanism includes first fixed block, the first fixed block of the inside fixedly connected with of the cover body, the inside sliding connection of first fixed block has the second fixed block, the bottom fixedly connected with screening plate of second fixed block, the outside fixedly connected with sealing washer of screening plate, fixed establishment includes the cell body. The utility model discloses a mutual gomphosis of first fixed block inner wall internal thread and second fixed block outer wall external screw thread is favorable to increasing the convenience of dismantling and installing the screening board, is convenient for wash, has increased the convenience of operation, and the screening board is favorable to filtering the harmful gas of emission.

Description

No pipeline filters universal exhaust hood of type

Technical Field

The utility model relates to a laboratory auxiliary assembly technical field specifically is a there is not universal exhaust hood of pipeline filtration type.

Background

The universal extraction hood is mainly used for quickly discharging small-range dust, hot gas, volatile gas, harmful gas and other small-particle floating objects or gases generated in the experimental or production process. Is one of the necessary safety devices in the laboratory, and in biological and chemical laboratories, the safety devices are often in direct contact with chemicals which are very toxic, corrosive, flammable and explosive.

Fragile glass and porcelain vessels are often used and intense and delicate work is performed in the environment of high temperature electric heating equipment such as gas, water, electricity and the like, and therefore, safety work must be paid great attention to. The existing universal extraction hood can not filter the discharged gas when a pipeline-free direct connection machine is adopted, most laboratories directly discharge the harmful gas to the outside of the laboratories when discharging the harmful gas, and the discharge of the harmful substances to the atmosphere is increased while the air quality in the laboratories is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a there is not universal suction hood of pipeline filtration type to the problem that can't filter when solving the all-round suction hood that provides among the above-mentioned background art and discharging harmful gas.

In order to achieve the above object, the utility model provides a following technical scheme: a pipeline-free filtering type universal air exhaust cover comprises a device body, a protective mechanism and a fixing mechanism, wherein the device body comprises a machine body, a universal arm is connected to the top end of the machine body, a cover body is fixedly connected to one side of the universal arm, the protective mechanism comprises a first fixing block, the first fixing block is fixedly connected to the inner part of the cover body, a second fixing block is slidably connected to the inner part of the first fixing block, a screening plate is fixedly connected to the bottom end of the second fixing block, a sealing ring is fixedly connected to the outer part of the screening plate, the fixing mechanism comprises a groove body, a groove body is formed in the machine body, a fixing frame is fixedly connected to the inner wall of the groove body, a spring is fixedly connected to the inner part of the groove body, a fixing strip is fixedly connected to one side of the spring, a clamping block is fixedly connected to one side of the fixing strip, and a rectangular frame is formed in the inner part of the groove body at equal intervals, the outside sliding connection of universal arm has the connecting frame.

Preferably, the first fixing block is internally provided with internal threads, and the second fixing block is externally provided with external threads.

Preferably, the sealing ring is connected with the cover body in a sliding mode, and the spring is located inside the fixing frame.

Preferably, the length of the fixing strip is wider than the opening length of the fixing frame, and the clamping block is connected with the connecting frame in a sliding mode.

Preferably, the rectangular frame is provided with six groups, and rectangular blocks are inserted into the rectangular frame.

Preferably, the rectangular frame and the rectangular block are completely embedded, and the connecting frame and the rectangular block are fixedly connected.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this universal cover of bleeding of no pipeline filtration type is through the mutual gomphosis of first fixed block inner wall internal thread and second fixed block outer wall external screw thread, be favorable to increasing the convenience of dismantling and installing the screening board, be convenient for wash, the convenience of operation has been increased, the screening board is favorable to filtering the harmful gas who discharges, promote air quality, harmful substance has been reduced and has been discharged to the atmosphere, certain security has been increased in the environmental protection, screening board outer wall fixed connection sealing washer, be favorable to carrying out the separation to the internal portion entering gas of cover, prevent that gas from the external portion of the cover that gets into of screening board, the leakproofness has been increased, prevent gas leakage.

2. This universal cover of bleeding of no pipeline filter type passes through the mutual gomphosis of rectangular block and rectangular frame one-to-one, is favorable to carrying on spacingly to the universal arm, prevents the skew, supports to close when the clamp splice to the connection box, and spring extrusion length constantly changes, is favorable to fixing the connection box, increases the stability of connecting, prevents that the universal arm from connecting shakiness and from the inside drop of cell body, has increased the installation simultaneously and has dismantled the convenience of universal arm, is convenient for carry out periodic change and detection to the universal arm.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic view of a front cross-sectional structure of the first fixing block and the second fixing block of the present invention;

fig. 3 is a schematic bottom view of the screening plate and the sealing ring of the present invention;

fig. 4 is a schematic view of the overlooking section structure of the tank body and the fixing frame of the present invention.

In the figure: 1. a device body; 110. a body; 120. a gimbal arm; 130. a cover body; 2. a protection mechanism; 210. a first fixed block; 220. a second fixed block; 230. screening the plate; 240. a seal ring; 3. a fixing mechanism; 310. a trough body; 320. a fixing frame; 330. a spring; 340. a fixing strip; 350. a clamping block; 360. a rectangular frame; 370. a connecting frame; 380. a rectangular block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a non-pipeline filtering type universal air exhaust cover comprises a device body 1, a protection mechanism 2 and a fixing mechanism 3, wherein the device body 1 comprises a machine body 110, the top end of the machine body 110 is connected with a universal arm 120, one side of the universal arm 120 is fixedly connected with a cover body 130, the protection mechanism 2 comprises a first fixing block 210, the inside of the cover body 130 is fixedly connected with the first fixing block 210, the inside of the first fixing block 210 is slidably connected with a second fixing block 220, the convenience for disassembling and assembling a screening plate 230 is improved, the cleaning is convenient, the convenience for operation is improved, the bottom end of the second fixing block 220 is fixedly connected with the screening plate 230, the filtering of discharged harmful gas is facilitated, the air quality is improved, the discharge of harmful substances to the atmosphere is reduced, certain safety is improved while the environment is protected, a sealing ring 240 is fixedly connected to the outside of the screening plate 230, the blocking of the gas entering the inside of the cover body 130 is facilitated, prevent that gaseous from the outside cover body 130 that gets into of screening plate 230 inside, the leakproofness has been increased, prevent gas leakage, fixed establishment 3 includes cell body 310, cell body 310 has been seted up to organism 110's inside, the fixed frame 320 of inner wall fixedly connected with of cell body 310, the inside fixedly connected with spring 330 of cell body 310, one side fixedly connected with fixed strip 340 of spring 330, one side fixedly connected with clamp splice 350 of fixed strip 340, rectangle frame 360 has been seted up to cell body 310's inside equidistance, be favorable to spacing universal arm 120, prevent the skew, universal arm 120's outside sliding connection has connection box 370, be favorable to fixing connection box 370, the stability of connection is increased, prevent that universal arm 120 from connecting the shakiness and from inside the droing of cell body 310, the convenience of installation and dismantlement universal arm 120 has been increased simultaneously, be convenient for carry out periodic change and detection to universal arm 120.

Further, the internal thread is arranged inside the first fixing block 210, and the external thread is arranged outside the second fixing block 220, so that the convenience of disassembling and installing the screening plate 230 is increased, the cleaning is facilitated, and the convenience of operation is increased.

Further, sealing washer 240 and cover body 130 sliding connection, spring 330 are located inside fixed frame 320, are favorable to carrying out the separation to the inside entering gas of cover body 130, prevent that gas from getting into cover body 130 from the screening plate 230 outside inside, have increased the leakproofness, prevent that gas from leaking.

Further, the length of the fixing strip 340 is wider than the opening length of the fixing frame 320, and the clamping block 350 is slidably connected with the connecting frame 370, so that the fixing strip 340 is limited, and the fixing strip 340 is prevented from falling off from the inside of the fixing frame 320.

Further, the rectangular frame 360 is provided with six groups, and the rectangular blocks 380 are inserted into the rectangular frame 360, so that the connection stability is improved.

Furthermore, the rectangular frame 360 and the rectangular block 380 are completely embedded, and the connecting frame 370 and the rectangular block 380 are fixedly connected, so that the universal arm 120 is limited and prevented from shifting.

The working principle is as follows: this universal suction hood of no pipeline filter type is through at the first fixed block 210 of the inside fixed connection of the cover body 130, first fixed block 210 inner wall fixed connection has the internal thread, second fixed block 220 surface is provided with the external screw thread, the mutual gomphosis of first fixed block 210 inner wall internal thread and second fixed block 220 outer wall external screw thread, be favorable to increasing the convenience of dismantling and installing screening plate 230, be convenient for wash, the convenience of operation has been increased, screening plate 230 is favorable to filtering the harmful gas of emission, promote the air quality, harmful substance emission to the atmosphere has been reduced, certain security has been increased in the environmental protection simultaneously, screening plate 230 outer wall fixed connection sealing washer 240, be favorable to carrying out the separation to the inside entering gas of the cover body 130, prevent that gas from the outside cover body 130 that gets into of screening plate 230, the leakproofness has been increased, prevent gas leakage.

This universal suction hood of no pipeline filter type is through seting up cell body 310 in organism 110 is inside, the fixed frame 320 of cell body 310 inner wall fixed connection and spring 330, at universal arm 120 bottom sliding connection carriage 370, the outside fixed connection rectangular block 380 of carriage 370, the mutual gomphosis of rectangular block 380 and the 360 one-to-one of rectangular block one-to-one, be favorable to spacing universal arm 120, prevent the skew, it supports to close to carriage 370 to work as clamp splice 350, spring 330 extrusion length constantly changes, be favorable to fixing connection carriage 370, increase the stability of connecting, prevent that universal arm 120 from connecting the shakiness and falling from cell body 310 is inside, the convenience of installation and dismantlement universal arm 120 has been increased simultaneously, be convenient for carry out periodic change and detection to universal arm 120.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a there is not universal exhaust hood of pipeline filtration type, includes device body (1), protection machanism (2) and fixed establishment (3), its characterized in that: the device body (1) comprises a machine body (110), the top end of the machine body (110) is connected with a universal arm (120), one side of the universal arm (120) is fixedly connected with a cover body (130), the protection mechanism (2) comprises a first fixed block (210), the interior of the cover body (130) is fixedly connected with the first fixed block (210), the interior of the first fixed block (210) is slidably connected with a second fixed block (220), the bottom end of the second fixed block (220) is fixedly connected with a screening plate (230), the exterior of the screening plate (230) is fixedly connected with a sealing ring (240), the fixing mechanism (3) comprises a groove body (310), the interior of the machine body (110) is provided with a groove body (310), the inner wall of the groove body (310) is fixedly connected with a fixed frame (320), and the interior of the groove body (310) is fixedly connected with a spring (330), one side fixedly connected with fixed strip (340) of spring (330), one side fixedly connected with clamp splice (350) of fixed strip (340), rectangle frame (360) have been seted up to the inside equidistance of cell body (310), the outside sliding connection of universal arm (120) has connection frame (370).

2. The ductless filter type universal extraction hood according to claim 1, characterized in that: the first fixing block (210) is internally provided with internal threads, and the second fixing block (220) is externally provided with external threads.

3. The ductless filter type universal extraction hood according to claim 1, characterized in that: the sealing ring (240) is connected with the cover body (130) in a sliding mode, and the spring (330) is located inside the fixing frame (320).

4. The ductless filter type universal extraction hood according to claim 1, characterized in that: the length of the fixing strip (340) is wider than the opening length of the fixing frame (320), and the clamping block (350) is connected with the connecting frame (370) in a sliding mode.

5. The ductless filter type universal extraction hood according to claim 1, characterized in that: the rectangular frame (360) is provided with six groups, and rectangular blocks (380) are inserted into the rectangular frame (360).

6. The ductless filter type universal extraction hood according to claim 5, wherein: the rectangular frame (360) and the rectangular block (380) are completely embedded, and the connecting frame (370) and the rectangular block (380) are fixedly connected.