CN215554985U

CN215554985U - Storable air suction device

Info

Publication number: CN215554985U
Application number: CN202122207163.5U
Authority: CN
Inventors: 杨正山
Original assignee: Shanghai Dafeng Laboratory Equipment Co ltd
Current assignee: Shanghai Dafeng Laboratory Equipment Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-01-18
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a storable air suction device which comprises a shell, wherein a mounting groove is formed in the bottom surface of the shell, an air suction arm mechanism is rotatably mounted in the mounting groove through a rotating shaft, one end, close to the rotating shaft, of the air suction arm mechanism is hinged to a push rod motor through an arc-shaped elbow, one end, far away from the arc-shaped elbow, of the push rod motor is hinged to a mounting seat, the mounting seat is fixedly mounted in the center of the upper surface of the shell, a protective cover is detachably mounted above the shell through a quick-release mechanism, and lifting connecting pieces are fixedly mounted at four corners of the top surface of the protective cover. The utility model realizes the storage function of the air suction device, thereby improving the attractiveness of a laboratory and facilitating the maintenance of the air suction device.

Description

Storable air suction device

Technical Field

The utility model relates to the field of teaching experimental equipment, in particular to a storable air suction device.

Background

In carrying out the chemistry experiment process, probably produce harmful gas, if these gases can not in time detach, can influence experimenter's experiment travelling comfort, and can cause certain harm, present solution adopts the corresponding device that induced drafts of hoist and mount above the laboratory table usually.

But the device that induced drafts that is used on the laboratory table at present mostly does not possess and accomodates the function, influences the pleasing to the eye degree in laboratory, and dismantles the difficulty after the device installation of induced drafting that is used on the laboratory table at present, is unfavorable for maintaining it, has certain defect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a storable air suction device, so that the storage function of the air suction device is realized, the attractiveness of a laboratory is improved, and the maintenance of the air suction device is facilitated.

In order to solve the technical problem, the utility model provides a storable air suction device which comprises a shell, wherein a mounting groove is formed in the bottom surface of the shell, an air suction arm mechanism is rotatably mounted in the mounting groove through a rotating shaft, one end, close to the rotating shaft, of the air suction arm mechanism is hinged to a push rod motor through an arc-shaped elbow, one end, far away from the arc-shaped elbow, of the push rod motor is hinged to a mounting seat, the mounting seat is fixedly mounted at the center of the upper surface of the shell, a protective cover is detachably mounted above the shell through a quick-release mechanism, and lifting connecting pieces are fixedly mounted at four corners of the top surface of the protective cover.

Further, the arm mechanism that induced drafts includes the rocking arm pipe of being connected through pivot and casing rotation, install the air suction pipeline in the rocking arm pipe, just the air suction pipeline is kept away from the one end symmetry intercommunication of pivot is provided with two connectors.

Further, quick detach mechanism includes rotates the spacing frame who is "U" type of installing in casing top both sides through the connecting axle, spacing frame is kept away from the mounting groove has all been seted up to the one end both sides of connecting axle, slidable mounting has trapezoidal fixture block in the mounting groove, trapezoidal fixture block be located the inside one end of mounting groove with be connected with compression spring between the mounting groove terminal surface, seted up on the safety shield with trapezoidal fixture block assorted draw-in groove, slidable mounting has the connecting rod on the spacing frame, the connecting rod both ends run through two of spacing frame both sides respectively the mounting groove, just the connecting rod both ends respectively with two in the mounting groove trapezoidal fixture block fixed connection.

Further, hoist and mount connecting piece includes the spliced pole through screw fixed mounting on the protection casing, the spliced pole is kept away from the one end fixed mounting of protection casing has the stationary blade, run through on the stationary blade and seted up a plurality of mounting holes.

Further, the rocking arm pipe is kept away from the one end of pivot is rotated and is installed two and be used for right the connector carries out the sealed lid that shelters from, two magnetic adsorption connects between the sealed lid.

Compared with the prior art, the utility model at least has the following beneficial effects:

(1) according to the utility model, the push rod motor is utilized to drive the air suction arm mechanism to rotate on the shell, so that the air suction arm mechanism can be stably folded and unfolded, the storage function of the device is realized, and the attractiveness of a laboratory is improved;

(2) according to the utility model, through the arrangement of the quick-release mechanism, the quick installation and disassembly of the shell 1 and the hoisting connecting piece can be realized, the whole operation is time-saving and labor-saving, and the device is effectively and conveniently maintained.

Drawings

FIG. 1 is a schematic structural view of a stowable suction device of the present invention;

FIG. 2 is a schematic view of a receiving slot for a stowable suction device of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 4 is a schematic cross-sectional view of a rocker tube of the stowable suction apparatus of the present invention;

fig. 5 is a schematic view illustrating the mounting of a fixture block of the retractable air suction device according to the present invention.

Detailed Description

The stowable air suction device of the present invention will now be described in greater detail with reference to the schematic drawings, in which preferred embodiments of the utility model are shown, it being understood that one skilled in the art could modify the utility model herein described while still achieving the advantageous results of the utility model. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the utility model.

The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

As shown in fig. 1-5, the embodiment of the utility model provides a storable air suction device, which comprises a shell 1, wherein a mounting groove 2 is formed in the bottom surface of the shell 1, an air suction arm mechanism 3 is rotatably mounted in the mounting groove 2 through a rotating shaft, one end, close to the rotating shaft, of the air suction arm mechanism 3 is hinged to a push rod motor 6 through an arc-shaped elbow 5, one end, far away from the arc-shaped elbow 5, of the push rod motor 6 is hinged to a mounting seat 7, the mounting seat 7 is fixedly mounted at the center of the upper surface of the shell 1, a protective cover 8 is detachably mounted above the shell 1 through a quick-release mechanism, and lifting connecting pieces 9 are fixedly mounted at four corners of the top surface of the protective cover 8.

The air suction arm mechanism 3 comprises a rocker arm pipe 10 which is rotatably connected with the shell 1 through a rotating shaft, an air suction pipeline 11 is installed in the rocker arm pipe 10, and the air suction pipeline 11 is far away from one end of the rotating shaft and is symmetrically communicated with two connectors 12. In this embodiment, the air suction pipeline 11 is used for guiding and outputting air, and the connector 12 facilitates connection of the air suction pipeline 11 and a ventilation device on the experiment table.

The quick-release mechanism comprises limiting frames 14 which are in a U shape and are rotatably installed on two sides of the top end of the shell 1 through a connecting shaft 13, mounting grooves 15 are formed in two sides of one end, far away from the connecting shaft 13, of each limiting frame 14, trapezoidal clamping blocks 16 are slidably installed in the mounting grooves 15, compression springs 17 are connected between one ends, located inside the mounting grooves 15, of the trapezoidal clamping blocks 16 and end faces of the mounting grooves 15, clamping grooves 18 matched with the trapezoidal clamping blocks 16 are formed in the protective cover 8, connecting rods 23 are slidably installed on the limiting frames 14, two ends of each connecting rod 23 penetrate through the two mounting grooves 15 in the two sides of the limiting frames 14 respectively, and two ends of each connecting rod 23 are fixedly connected with the two trapezoidal clamping blocks 16 in the two mounting grooves 15 respectively. In this embodiment, utilize trapezoidal fixture block 16 and draw-in groove 18 to cooperate, realize carrying out the locking to spacing frame 14, accomplish the stable of casing 1 and protection casing 8 and be connected, when carrying out the dismantlement of casing 1 and protection casing 8, only need stimulate connecting rod 23 and make trapezoidal fixture block 16 and draw-in groove 18 separate, can take off casing 1, operation labour saving and time saving has effectively improved the aspect and has safeguarded the device.

Hoist and mount connecting piece 9 includes spliced pole 19 through screw fixed mounting on protection casing 8, spliced pole 19 is kept away from the one end fixed mounting of protection casing 8 has stationary blade 20, run through on the stationary blade 20 and seted up a plurality of mounting holes 21. In this embodiment, the provision of the fixing piece 20 and the mounting hole 21 facilitates stable mounting of the device.

The one end that the rocking arm pipe 10 kept away from the pivot is rotated and is installed two and be used for right connector 12 carries out the sealed lid 22 that shelters from, two magnetic adsorption connects between the sealed lid 22. In this embodiment, the sealing cap 22 is provided to seal the connector 12 and prevent dust from entering the air suction duct 11.

While the preferred embodiments of the stowable suction device are set forth below to clearly illustrate the present invention, it should be understood that the present invention is not limited to the following embodiments, and other modifications made by conventional means of skill in the art are within the spirit of the present invention.

The embodiment of the utility model provides a use method of a storable air suction device, which comprises the following specific steps:

at first, the installation of device carries out, install stationary blade 20 directly over the mode such as screw corresponding position department at the experiment table, the one end that keeps away from connector 12 with air suction pipe 11 connects air pipe, the installation of completion device in the laboratory, when needs ventilate the operation, at first start the shrink of push rod motor 6, push rod motor 6's control switch can set up on 1 bottom surface of casing, and push rod motor 6 can adopt the power that is equipped with in the experiment table to supply power, push rod motor 6 contracts, drive rocker pipe 10 and rotate to the minimum to mounting groove 2 outside, open two sealed lids 22 after that, utilize connector 12 to be connected with the ventilation unit on the experiment table. After the ventilation is accomplished, dismantle connector 12 and the ventilation unit on the laboratory table, close two sealed lids 22 after that, drive push rod motor 6 extension at last, drive rocking arm pipe 10 and rotate to mounting groove 2 in, accomplish accomodating of rocking arm pipe 10. When needs are maintained the device, need dismantle casing 1, only need both hands to outside pulling two connecting rods 23 simultaneously, drive trapezoidal fixture block 16 and the separation of draw-in groove 18, can accomplish and easily take off casing 1, made things convenient for the maintenance of carrying on the device.

In summary, compared with the prior art, the utility model has the following advantages:

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a device that induced drafts that can accomodate, a serial communication port, which comprises a housin, the casing bottom surface is provided with the mounting groove, rotate through the pivot in the mounting groove and install the arm mechanism that induced drafts, the arm mechanism that induced drafts is close to the one end of pivot is articulated through the arc elbow has the push rod motor, the push rod motor is kept away from the one end of arc elbow is articulated to have the mount pad, mount pad fixed mounting is at casing upper surface center, there is the protection casing top through quick detach mechanism demountable installation, the equal fixed mounting in protection casing top surface four corners has hoist and mount connecting piece.

2. The storable air aspiration device of claim 1 wherein the air aspiration arm mechanism comprises a rocker arm tube rotatably connected to the housing via a shaft, wherein an air aspiration channel is installed in the rocker arm tube, and two connectors are symmetrically communicated with one end of the air aspiration channel away from the shaft.

3. The storable air suction device according to claim 1, wherein the quick release mechanism comprises two U-shaped limiting frames rotatably mounted on two sides of the top end of the housing through a connecting shaft, two sides of one end of each limiting frame, which is far away from the connecting shaft, are provided with mounting grooves, trapezoidal clamping blocks are slidably mounted in the mounting grooves, compression springs are connected between one ends of the trapezoidal clamping blocks, which are located inside the mounting grooves, and the end surfaces of the mounting grooves, clamping grooves matched with the trapezoidal clamping blocks are formed in the protective cover, a connecting rod is slidably mounted on the limiting frames, two ends of the connecting rod respectively penetrate through the two mounting grooves on two sides of the limiting frames, and two ends of the connecting rod are respectively fixedly connected with the two trapezoidal clamping blocks in the two mounting grooves.

4. The storable air draft device according to claim 1, wherein the hoisting connecting piece comprises a connecting column fixedly installed on the protective cover through a screw, a fixing piece is fixedly installed at one end of the connecting column far away from the protective cover, and a plurality of installation holes are formed in the fixing piece in a penetrating mode.

5. The storable air draft device according to claim 2, wherein two sealing covers for shielding the connector are rotatably installed at one end of the rocker arm tube away from the rotating shaft, and the two sealing covers are connected with each other in a magnetic adsorption manner.