CN107520219B - Split type stand and fume chamber of using thereof - Google Patents

Split type stand and fume chamber of using thereof Download PDF

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Publication number
CN107520219B
CN107520219B CN201711016077.8A CN201711016077A CN107520219B CN 107520219 B CN107520219 B CN 107520219B CN 201711016077 A CN201711016077 A CN 201711016077A CN 107520219 B CN107520219 B CN 107520219B
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column
cavity
body part
wall body
wall
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CN107520219A (en
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陈德义
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Guangdong Tmoon Laboratory Equipment Manufacturing Co ltd
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Guangdong Tmoon Laboratory Equipment Manufacturing Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
    • B08B15/023Fume cabinets or cupboards, e.g. for laboratories

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Abstract

The invention relates to a split type upright post, which comprises an axially extending and section-shaped post main body, wherein the post main body comprises a front wall body part, a rear wall body part, a left wall body part and a right wall body part when being seen from the cross section of a section, the front wall body part, the rear wall body part, the left wall body part and the right wall body part are encircled to form at least one hollow first cavity, the front wall body part and the rear wall body part are respectively provided with a front through hole and a rear through hole which are arranged along the direction of the cross section, and the front through hole and the rear through hole respectively penetrate through the first cavity and are in front and rear correspondence; a column cover body is detachably covered in front of the front wall body part, the column cover body extends axially and is in a section shape, and a second cavity is formed between the column cover body and the column main body, so that the front through hole not only penetrates through the first cavity but also penetrates through the second cavity; and the column cover body is provided with a mounting hole for mounting an electric device, and the mounting hole penetrates through the second cavity. Therefore, the split type upright post not only has ideal supporting strength and can be used as a supporting post, but also can be used as a container for storing functional pipelines, electric devices and other members.

Description

Split type stand and fume chamber of using thereof
Technical Field
The invention relates to a split type stand column which not only can play a supporting role, but also can store various functional pipelines. The split upright post can be used for assembling various furniture articles, such as a wardrobe, a bookcase and the like. In a plurality of applications, the invention provides a fume hood applying the split type stand column.
Background
In the process of carrying out experiments, particularly chemical experiments, the method can be applied to a large amount of inflammable and explosive and corrosive substances and can also generate various large amounts of harmful gases. In order to ensure the safety of laboratory personnel, most of the experimental operations must be carried out in a fume hood. The fume hood can prevent pollutants used or generated in the experiment process from diffusing in a large area in a laboratory and discharge polluted gas out of the laboratory through an exhaust system of the fume hood. Fume hoods have become an important safety device in laboratories. In order to improve the ease of operation and convenience of use of a fume hood, various electrical devices and various functional pipelines for supplying water and power are often disposed on the fume hood. The traditional fume hood structure is not provided with wiring space of the functional pipelines, and installation space of devices such as a microcomputer control panel, a switch button and a power supply socket is not provided, so that the functional pipelines are exposed outside the fume hood, the devices are also arranged in disorder, and application experience and appearance effect of the fume hood are greatly influenced. In order to solve the technical problems, an electronic control ventilation cabinet is provided in the Chinese patent application 201210297172.0 by ambitious scientific and education equipment limited company of Liuan City, 08 and 21 in 2012. The left side wall, the right side wall and the top wall of the fume hood are both of hollow structures, and functional components such as a motor, a gear, a driving chain, a counterweight, an electric wire and the like are respectively collected in the left side wall, the right side wall or the top wall. Thus, good installation space and storage space are provided for various functional pipelines and electric devices through the left side wall, the right side wall and the top wall. However, in a specific application scenario, neither the left or right side wall nor the top wall is directly opposite to the experimenter, and if a control panel, a display panel, etc. are installed on the left or right side wall or the top wall, the operation and observation of the experimenter are not convenient. However, if the control panel, the display panel and other electric devices are mounted on the pair of front pillars positioned on the front surface of the fume hood, how to mount the control panel, the display panel and other electric devices and arrange power supply pipelines for the control panel, the display panel and other electric devices are problems which need to be weighed further. The inventor also noticed a detachable front pillar of a fume hood in the chinese utility patent 201320020343.5, which is proposed by shenzhen jiahong shun industries limited. The detachable front upright post comprises an upright post beam and a cover plate, wherein the cross section of the upright post beam is C-shaped, and the upright post beam is detachably buckled with the cover plate. And a balancing weight is arranged in the inner cavities of the cover plate and the upright beam and used for controlling the height position of the movable view window door of the ventilation cabinet. Like this, the front column not only can realize quick installation, still is convenient for install interior components such as balancing weight in the front column are installed and are overhauld.
Disclosure of Invention
Although the detachable front pillar in patent 201320020343.5 can solve the technical problems of installation and maintenance of internal components such as a counterweight block, the detachable front pillar cannot solve the technical problems of how to arrange electric devices and functional pipelines on the front pillar and how to perform signal connection between the electric devices installed on the front pillar and other electric devices. Moreover, the detachable front upright post adopts a split structure, so that the support strength of the post body can be obviously weakened, and the overall structural strength of the fume hood is adversely affected. There is a need for further improvements in the construction of such columns.
In view of the above, the present invention provides a split column, which is characterized in that the column comprises a column main body extending axially and in a shape of a profile, the column main body comprises a front wall body, a rear wall body, a left wall body and a right wall body when viewed from a cross section of the profile, the front wall body, the rear wall body, the left wall body and the right wall body enclose at least one hollow first cavity, the front wall body and the rear wall body are respectively provided with a front through hole and a rear through hole arranged along the cross section direction, and the front through hole and the rear through hole respectively penetrate through the first cavity and correspond to each other in the front and the rear directions; a column cover body is detachably covered in front of the front wall body, the column cover body extends axially and is in a section shape, and a second cavity is formed between the column cover body and the column main body, so that the front through hole not only penetrates through the first cavity but also penetrates through the second cavity; and the column cover body is provided with a mounting hole for mounting an electric device, and the mounting hole penetrates through the second cavity.
The section is made by bending, rolling or extruding and the like, the cross section has a certain geometric shape, and different extending lengths can be specified according to actual processing requirements. In principle, the extension of the profile element in the form of a profile should not be limited. In actual manufacturing, the length of the sectional material is set to a fixed length such as 2 meters and 3 meters. The post body and post cover are both profile pieces.
Wherein, the front wall body part, the rear wall body part, the left wall body part and the right wall body part enclose to form at least one hollow first cavity. The above features define a main cross-sectional structure of the column body, which is substantially frame-shaped when viewed in cross section, thereby having excellent structural strength. The first cavity is defined by the front wall body, the rear wall body, the left wall body and the right wall body, so that a storage space extending axially is formed, and the first cavity can be used for storing a large number of functional pipelines such as electrical devices, signal lines, water supply, power supply and the like. The first cavity becomes the first object placing space of the split type stand column.
The front of the front wall body part is detachably covered with a column cover body, and the column cover body extends axially and is in a section bar shape. The above features define that the post body and the post cover are of a separate structure and can be detachably covered together.
The front part of the front wall body part can be detachably covered with a column cover body which extends axially and is in a section shape, and a second cavity is formed between the column cover body and the column main body. In this way, the first and second cavities are isolated by the front wall body of the column body. The second cavity is also provided with a storage space extending axially, and further can be used for storing a large number of functional pipelines such as electrical devices, signal lines, water supply, power supply and the like. The second cavity becomes the second storage space of the split type stand column.
The front through hole and the rear through hole are respectively communicated with the first cavity, and the front through hole is also communicated with the second cavity. Thus, the first cavity, the second cavity and the rear space of the column main body are communicated together through the front and rear through holes. The front and rear through holes become communication passages of the first cavity, the second cavity and the rear space of the pillar main body.
According to the technical scheme, compared with the prior art, the invention has the beneficial technical effects that:
1. the front wall body part, the rear wall body part, the left wall body part and the right wall body part enclose to form at least one hollow first cavity. Thus, the column main body is approximately in a frame shape when viewed from the cross section, so that the column has excellent structural strength, the integral supporting strength of the split type stand column can be improved, and the adverse effect of a split structure on the supporting strength of the split type stand column is compensated.
2. Because the split type upright post is simultaneously provided with the first cavity and the second cavity, the first cavity and the second cavity are isolated by the front wall body part of the post main body. In this way, different kinds of components can be arranged on the first cavity and the second cavity, and classification management is facilitated. For example, a water supply line is placed in the first chamber and a power supply line is placed in the second chamber. The water supply pipeline and the power supply pipeline are properly isolated by means of the first cavity and the second cavity, and safety is improved. The first cavity and the second cavity are arranged to facilitate expansion of the storage space of the split type stand column.
3. The front wall body is also detachably covered with an axially extending and profile-shaped column cover body in front of the front wall body. Therefore, after the column cover body is disassembled, the electric device can be conveniently installed in the installation hole of the column cover body, and the component installed on the second cavity body can be conveniently installed and maintained.
4. The front through hole and the rear through hole respectively penetrate through the first cavity, the front through hole also penetrates through the second cavity, and the front through hole and the rear through hole correspond to each other in front and back; and the column cover body is provided with a mounting hole for mounting an electric device, and the mounting hole penetrates through the second cavity. Thus, the signal wire of the electric device connected and installed in the installation hole can sequentially pass through the front through hole and the rear through hole to be connected with the electric device or the power supply arranged behind the split type stand column. The arrangement of the front through hole and the rear through hole greatly facilitates the signal connection between the electric device in the mounting hole and the electric device or the power supply behind the split type stand column, and meanwhile, the signal line can be partially collected in the split type stand column.
To sum up, the split type stand column not only has ideal supporting strength and can be used as a supporting column, but also can be used as a container for collecting functional pipelines, electric devices and other components. In addition, the split type upright post can also provide sliding support for the sliding door leaf, and the further technical scheme can also be that at least two axially extending guide grooves for guiding the vertical sliding track of the sliding door leaf are arranged on the right wall body of the post main body, and the notch of each guide groove faces outwards.
In order to enable the column cover body to be detachably covered on the column main body, the column cover body can be in a groove shape and comprises a groove bottom wall, a left end wall and a right end wall, wherein the left end wall and the right end wall are positioned on two sides of the groove bottom wall, and the column cover body is buckled on the column main body through the left end wall and the right end wall. Therefore, the buckling connection relation is formed between the column cover body and the column main body, and the column cover body is convenient to mount and dismount.
Further technical solution may also be that the mounting hole is provided on the tank bottom wall. Like this, under the installation, the electrical part in the mounting hole will just to the experimenter, the observation and the operation of the experimenter of being convenient for.
Further technical solution may also be, the left end wall of the column cover body and the bottom wall of the groove are arranged substantially vertically, and an included angle between the right end wall and the bottom wall of the groove is greater than 90 °. Therefore, the outer side surface of the right end wall is inclined, the traditional appearance of the square and regular square of the split type stand column is changed, and the split type stand column is slightly lively and generous. When the split type stand column is applied to the fume hood and used as a front stand column, the outer side surface of the right end wall can also be used as a wind guide surface to guide outside air flow to smoothly flow into the fume hood.
The column cover further comprises a left buckling arm and a right buckling arm which extend axially and are convexly arranged on the outer side of the front wall body part of the column main body, and the left end wall and the right end wall of the column cover body are respectively connected to the left buckling arm and the right buckling arm of the column main body in a buckling mode.
The technical scheme can also be that the protruding heights of the left and right buckling arms of the column main body are smaller than the protruding heights of the left and right end walls of the column cover body when the cross section of the section bar is seen. Therefore, the second cavity is mainly composed of the left end wall and the right end wall of the column cover body, and the protruding heights of the left buckling arm and the right buckling arm of the column main body are relatively low, so that a turning space for installation and operation is conveniently vacated when equipment such as electric devices and the like are installed in front of the column main body.
The further technical scheme can also be that a clamping groove which extends axially and is used for positioning the electric device is arranged on the outer side of the front wall body of the column main body. In this way, the electrical component can be easily positioned on the post body by means of the card slot without the need for specially machining a positioning hole in the post body in order to position the electrical component. In addition, the clamping groove is a groove body which extends axially and has a certain extending length, so that the positioning position of the electric device can be flexibly adjusted on the clamping groove, or a plurality of electric devices can be installed at the same time.
The invention also provides a ventilation cabinet with the split type stand column, which comprises a pair of split type stand columns which are arranged on the left side and the right side, wherein an electric device is arranged on the installation hole of each split type stand column, and a signal wire sequentially penetrates through the rear through hole and the front through hole, then enters the second cavity and is connected to the electric device. Thus, the electric device on the split type stand column can be connected with the electric device or the power supply signal behind the split type stand column.
Further technical scheme can also be, still be provided with the double-layered groove that is used for the internal lateral plate of centre gripping cabinet on the back wall somatic part of post main part, the right side that presss from both sides the groove press from both sides the foot including with post main part connects integrative clamp foot main part and follow clamp arm that extends and bend left in the clamp foot main part, it arranges to incline left gradually backward from the past to press from both sides the foot main part. Therefore, the clamping foot main body is connected with the inner side plate of the cabinet body in an inclined state, not only can be used for fixing the inner side plate of the cabinet body, but also can be connected with an inclined decorative edge on the inner side plate of the cabinet body. In addition, the clamping foot main body in the inclined state can be used for guiding the air flow to be continuously blown to the interior of the fume hood.
The invention, owing to its characteristics and advantages, can be applied to uprights, in particular to the front uprights of fume hoods.
Drawings
FIG. 1 is a schematic perspective view of a fumehood with split-type uprights;
FIG. 2 is a schematic cross-sectional assembly structure of a split column to which the technical solution of the present invention is applied;
FIG. 3 is a schematic perspective exploded view of the split type column;
fig. 4 is a cross-sectional exploded structure diagram of the split type stand column.
Detailed Description
The structure of the split type upright post and the ventilation cabinet applying the split type upright post applying the technical scheme of the invention is further explained with reference to the attached drawings.
Fig. 1 is a perspective view of a fume hood 100. The fume hood 100 comprises a pair of split type upright posts (1, 1 a) which are arranged on the left and the right. A sliding door leaf 4 is also arranged between the pair of split type upright posts (1, 1 a) in a sliding way. Wherein, the rear end of the split upright post 1 is connected with an external side plate 52 and an internal side plate 51 of the cabinet body which are separately arranged inside and outside, and a spacing space 5 is formed between the external side plate 52 and the internal side plate 51 of the cabinet body. Similarly, a cabinet outer side plate 52a and a cabinet inner side plate 51a which are arranged inside and outside are joined to the rear end of the split type pillar 1a. An experiment bin for performing various experiments is formed between the cabinet body inner side plate 51 and the cabinet body inner side plate 51a.
As shown in fig. 2, fig. 3 and fig. 4, the structure and function of the split-type upright 1 and the split-type upright 1a are similar, and the split-type upright 1 is taken as an example for description. The split-type upright post 1 comprises an axially extending and profile-shaped post main body 2, and the post main body 2 comprises a front wall body part 21, a rear wall body part 22, a left wall body part 23 and a right wall body part 24 when viewed from the cross section of the profile, wherein the front wall body part 21, the rear wall body part 22, the left wall body part 23 and the right wall body part 24 enclose a hollow first cavity 11. In this way, the column main body 2 is frame-shaped as a whole when viewed from the cross section, so that the column has excellent structural strength, the overall support strength of the split type stand column 1 can be improved, and the adverse effect of the split type structure on the support strength of the split type stand column 1 can be compensated. In addition, the first cavity 11 is enclosed by the front wall 21, the rear wall 22, the left wall 23 and the right wall 24 so as to have a storage space extending axially, and thus, the first cavity can be used for storing a large number of functional pipelines such as electrical devices, signal lines, water supply, power supply and the like. The first cavity 11 becomes a first storage space of the split type upright post 1. Of course, as another embodiment, the rear wall portion 22 and the left and right wall portions 23 and 24 may also enclose a plurality of hollow first cavities 11. A plurality of front through holes 210 and rear through holes 220 are respectively formed in the front wall body 21 and the rear wall body 22, and the front through holes 210 and the rear through holes 220 respectively penetrate through the first cavity 11 and correspond to each other in the front and rear directions. When the front through hole 210 and the rear through hole 220 are not used, rubber stoppers can be mounted on the front through hole and the rear through hole for blocking.
As shown in fig. 2 and 4, axially extending card slots (231, 213 a) for positioning electrical devices are provided on the outer side of the front wall body 21 of the column body 2. Thus, the electric device can be easily positioned on the post body 2 by means of the card slot (231, 213 a) without the need to specially machine a positioning hole in the post body 2 for positioning the electric device. In addition, the card slot (231, 213 a) is a slot body that extends axially to have a certain extension length, so that the positioning position of the electric device can be flexibly adjusted or a plurality of electric devices can be simultaneously mounted on the card slot (231, 213 a).
As shown in fig. 2 and 4, the rear wall 22 of the pillar body 2 is further provided with a clip groove 221 for clipping the cabinet outer panel 52 and a clip groove 222 for clipping the cabinet inner panel 51. The right clamping leg of the clamping slot 222 comprises a clamping leg main body 2221 connected with the column main body 2 into a whole and a clamping arm 2222 extending from the clamping leg main body 2221 and bent leftwards, and the clamping leg main body 2221 is gradually arranged obliquely leftwards from front to back. In this way, the clip main body 2221 is engaged with the cabinet inner panel 51 in an inclined state, and can be used not only for fixing the cabinet inner panel 51 but also as an inclined trim engaged with the cabinet inner panel 51. In addition, the inclined clamping leg main body 2221 can be used to guide the air flow to be blown continuously into the experiment chamber of the fume hood 100. Three axially extending guide grooves 241 for guiding the vertical sliding path of the sliding door 4 are provided in the right wall 24 of the column main body 2, and the notches of the guide grooves 241 face outward. Of course, in other embodiments, two, four or more guiding grooves 241 may be provided for specific applications.
As shown in fig. 2 and 4, a column cover 3, which is axially extended and has a shape of a section, may be detachably covered on the front of the front wall body 21 of the column main body 2, and a second cavity 12 is formed between the column cover 3 and the column main body 2. In this way, the second cavity 12 also has a storage space extending axially, and thus can be used for storing a large number of functional pipelines such as electrical devices, signal lines, water supply, power supply and the like. The second cavity 12 becomes a second storage space of the split column 1. In addition, the first cavity 11 and the second cavity 12 are isolated by the front wall body 21 of the column body 2. Different kinds of members can be arranged on the first cavity 11 and the second cavity 12, so that the classification management is convenient. For example, a water supply line is placed in the first chamber 11, and a power supply line is placed in the second chamber 12. The water supply pipeline and the power supply pipeline are properly isolated by virtue of the first cavity 11 and the second cavity 12, and the safety is improved. The first cavity 11 and the second cavity 12 are provided to facilitate the enlargement of the storage space of the split column 1.
As shown in fig. 3, the front through hole 210 penetrates not only the first cavity 11 but also the second cavity 12. The column cover 3 is provided with a mounting hole 310 for mounting the electric device 6, and the mounting hole 310 penetrates the second cavity 12. The electric device 6 is in this embodiment a control panel 6. In this way, the signal line connected to the control panel 6 can sequentially pass through the front through hole 210 and the rear through hole 220 to be connected to the electric device or power supply arranged behind the split type upright post 1. The arrangement of the front through hole 210 and the rear through hole 220 greatly facilitates the signal connection between the control panel 6 and the electric device or power supply behind the split type upright post 1, and also enables the signal line to be partially stored in the split type upright post 1. The front and rear through holes 210 and 220 serve as communication passages for the first and second cavities 11 and 12 and the rear space of the column main body 2. And the signal wire, the electric device or the power supply arranged at the rear part of the split type stand column 1 can be collected in the separation space 5.
In order to detachably cover the column cover body 3 on the column main body 2, as shown in fig. 4, the column cover body 3 is in a groove shape as seen from the cross section of the profile, and includes a groove bottom wall 31 and left and right end walls (33, 32) located at both sides of the groove bottom wall 31, and the mounting hole 310 is provided on the groove bottom wall 31. The outer side of the front wall body 21 of the column main body 2 is also provided with left and right buckling arms (211, 212) extending axially in a protruding way, and the left and right end walls (33, 32) of the column cover body 3 are respectively buckled and connected to the left and right buckling arms (211, 212) of the column main body 2. Thus, the column cover body 3 and the column main body 2 form a buckling connection relationship, so that the installation and the disassembly are convenient. After the column cover body 3 is detached, the electric device can be conveniently mounted in the mounting hole 310 of the column cover body 3, and the electric device can be conveniently mounted in the card slot (231, 213 a) of the column main body 2. In addition, the protruding height of the left and right buckling arms (211, 212) of the column main body 2 is smaller than the protruding height of the left and right end walls (33, 32) of the column cover body 3. Therefore, the second cavity is mainly composed of the left end wall and the right end wall of the column cover body, and the protruding heights of the left buckling arm and the right buckling arm of the column main body are relatively short, so that a convolution space for installation and operation is conveniently vacated when electric devices and other equipment are installed in front of the column main body.
Further, the left end wall 33 of the column cover 3 is arranged substantially perpendicularly to the tank bottom wall 31, and the right end wall 32 is arranged at an angle greater than 90 ° to the tank bottom wall 31. Thus, the outer side surface of the right end wall 32 is inclined, and the traditional appearance of the square and regular square of the stand column is changed, so that the split type stand column 1 is slightly lively and generous. The outer side surface of the right end wall 32 may also serve as a wind guide surface for guiding external air flow to smoothly flow into the experimental chamber of the fume hood 100.
To sum up, the split type upright post 1 not only has ideal supporting strength and can be used as a supporting column, but also can be used as a container for storing functional pipelines, electric devices and other components.

Claims (7)

1. The split type upright post is characterized by comprising an axially extending and profile-shaped post main body, wherein the post main body comprises a front wall body part, a rear wall body part, a left wall body part and a right wall body part when viewed from the cross section of a profile, at least one hollow first cavity is defined by the front wall body part, the rear wall body part, the left wall body part and the right wall body part, front through holes and rear through holes which are arranged along the direction of the cross section are respectively arranged on the front wall body part and the rear wall body part, and the front through holes and the rear through holes respectively penetrate through the first cavity and correspond to each other in the front and the rear directions; the right wall body part of the column main body is provided with at least two axially extending guide grooves for guiding the up-and-down sliding track of the sliding door leaf, and the notches of the guide grooves face outwards; a column cover body is detachably covered in front of the front wall body, the column cover body extends axially and is in a profile shape, and a second cavity is formed between the column cover body and the column main body, so that the front through hole penetrates through the first cavity and the second cavity; the column cover body is provided with a mounting hole for mounting an electric device, and the mounting hole penetrates through the second cavity; the cross section of the profile is seen, the outer side of the front wall body part of the column main body is also convexly provided with a left buckling arm and a right buckling arm which extend axially, the column cover body is in a groove shape and comprises a groove bottom wall and a left end wall and a right end wall which are positioned on two sides of the groove bottom wall, and the left end wall and the right end wall of the column cover body are respectively connected to the left buckling arm and the right buckling arm of the column main body in a buckling manner.
2. The split column of claim 1, wherein the mounting hole is provided in the channel bottom wall.
3. The split column of claim 1, wherein the left end wall of the column cover body is disposed substantially perpendicular to the tank bottom wall, and the right end wall is disposed at an angle greater than 90 ° to the tank bottom wall.
4. The split-type upright post according to claim 1, wherein the protruding height of the left and right buckling arms of the post body is smaller than the protruding height of the left and right end walls of the post cover when viewed from the cross section of the profile.
5. The split post according to any one of claims 1 to 4, wherein an axially extending catch for locating an electrical device is provided on the outside of the front wall body of the post body.
6. A fume chamber using the split type vertical column according to any one of claims 1 to 5, comprising a pair of the split type vertical columns which are arranged on the left and right, wherein the installation holes of the split type vertical columns are provided with electric devices, and the signal wires sequentially pass through the rear through hole and the front through hole and then enter the second cavity and are connected to the electric devices.
7. A fume hood according to claim 6, wherein a clamping groove for clamping the inner side plate of the cabinet body is further provided on the rear wall body of the column main body, the right clamping leg of the clamping groove comprises a clamping leg main body connected with the column main body into a whole and a clamping arm extending from the clamping leg main body and bending to the left, and the clamping leg main body is inclined from the front to the back to the left gradually.
CN201711016077.8A 2017-10-26 2017-10-26 Split type stand and fume chamber of using thereof Active CN107520219B (en)

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CN107520219B true CN107520219B (en) 2023-03-07

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CN108687094A (en) * 2018-06-12 2018-10-23 广东天赐湾实验室装备制造有限公司 The laboratory hood of improved structure
CN108980469A (en) * 2018-08-09 2018-12-11 广东天赐湾实验室装备制造有限公司 Combined vertical pole
CN110788103A (en) * 2019-12-06 2020-02-14 青岛中科汉维实验室装备科技有限公司 Side supporting device for ventilating hood with four-side door

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CN107234118A (en) * 2017-07-28 2017-10-10 广东天赐湾实验室装备制造有限公司 Vent cabinet with lifting sash
CN207446931U (en) * 2017-10-26 2018-06-05 广东天赐湾实验室装备制造有限公司 Split type column and its vent cabinet of application

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CN107116078A (en) * 2017-05-22 2017-09-01 安徽依诺格实验室设备有限公司 A kind of energy saving and environment friendly laboratory hood
CN107234118A (en) * 2017-07-28 2017-10-10 广东天赐湾实验室装备制造有限公司 Vent cabinet with lifting sash
CN207446931U (en) * 2017-10-26 2018-06-05 广东天赐湾实验室装备制造有限公司 Split type column and its vent cabinet of application

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