Efficient negative pressure isolation device

Abstract

The utility model relates to the technical field of protection and isolation, in particular to an efficient negative pressure isolation device which comprises an isolation cover and an installation assembly. A half-body garment is arranged at the bottom of the isolation hood, and a transparent hood and two gloves are arranged on the half-body garment; the installation assembly comprises a fixing ring arranged on the half-body clothes, an installation plate arranged on the fixing ring, a sealing insertion plate arranged on the installation plate, an installation base arranged on the isolation cover and provided with a positioning groove and a plurality of threaded grooves, an elastic sealing gasket arranged in the positioning groove and a plurality of fixing bolts. The elastic sealing gasket is attached to the inner wall of the positioning groove, the elastic sealing gasket is provided with a groove structure, the sealing insertion plate is embedded into the groove, a plurality of positioning holes are formed in the mounting plate, and the fixing bolts penetrate through the positioning holes and are in threaded connection with the threaded groove. According to the utility model, the activity space of an operator is increased, the view conversion of the operator is facilitated, and the defect that the high-activity centrifugal discharge is difficult to operate is overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protection isolation, particularly to an efficient negative pressure isolation device. BACKGROUND

[0002] High activity centrifugal discharge is a kind of technology that realizes efficient and stable material output in the centrifugal process through a specially designed discharge mechanism. A negative pressure isolation device is needed in the centrifugal discharge process. When the cover of the centrifuge is opened for discharge or cleaning of residual material, a large amount of dust and harmful gas will often be generated. If not controlled, these dust and gas will pollute the operating environment and harm the health of the operators.

[0003] A centrifuge discharge protection isolation device is disclosed in Chinese patent No. CN215429643U, which includes a sealing cover and a sealing ring for fixing the sealing cover. The sealing cover includes a discharge port and an operating hole. The discharge port is provided with a continuous bagging device, and the operating hole is provided with an operating glove. The operating glove extends into the sealing cover and is used for operating the inside of the sealing cover. The sealing cover is used to cover the opening of the centrifuge, and the sealing cover and the opening of the centrifuge are sealed and fixed by the sealing ring to form a closed space between the opening of the centrifuge and the discharge port. This device has the advantages of preventing dust and gas from spreading and polluting the operating environment, and the operating glove can facilitate the operator to clean or operate the opening of the centrifuge.

[0004] However, the above technical solution has the following disadvantages: the device uses a traditional operating hole to install an operating glove to allow the operator's hands to enter for auxiliary material discharge and residual material removal. This method can only provide limited operating space, leading to discomfort or inoperable conditions for the operator, reducing the practicality of the device. UTILITY MODEL CONTENT

[0005] The utility model aims to solve the problems in the background art by providing an efficient negative pressure isolation device that improves the operating space of the operator and facilitates the conversion of the operator's field of vision, thereby solving the problem of difficult operation during high activity centrifugal discharge.

[0006] The utility model discloses a technical scheme, a kind of high-efficiency negative pressure isolation device, including isolation cover and installation component;The bottom of isolation cover is provided with half body clothes, and transparent head cover and two gloves are provided on half body clothes;Installation component includes the fixed ring being set on half body clothes, the mounting plate being set on fixed ring, the sealing plugboard being set on mounting plate, the mounting seat being set on isolation cover and having positioning groove and multiple thread grooves, the elastic sealing gasket being set in positioning groove, and multiple fixed bolts, elastic sealing gasket is attached on the inner wall of positioning groove, elastic sealing gasket has recess structure, sealing plugboard is embedded in the inside of recess, multiple positioning holes are provided on mounting plate, and fixed bolt is penetrated positioning hole and is connected with thread groove threadedly.

[0007] Preferably, the side of the isolation cover is provided with a centrifuge body, and the isolation cover and the centrifuge body are respectively provided with a discharge port and a butt joint pipe.

[0008] Preferably, the multiple thread grooves are annularly distributed on the outside of the positioning groove, and the fixed bolt and the mounting plate abut each other.

[0009] Preferably, the sleeve opening part of the half body clothes is provided with a fixing ring, the inside of the isolation cover is provided with two stand columns, the stand columns are provided with blocking rings, and the large diameter size and the small diameter size of the fixing ring and the blocking ring are the same.

[0010] Preferably, the fixing ring and the blocking ring are both made of elastic material.

[0011] Preferably, the isolation cover is provided with a support seat, and the inside of the half body clothes is communicated with the outside through the mounting seat and the isolation cover.

[0012] Preferably, the isolation cover is provided with a negative pressure machine body and a discharge pipe.

[0013] Compared with the prior art, the utility model has the following beneficial technical effects:

[0014] 1、The half body clothes capable of accommodating the upper half body of the operator are arranged, so that the operator can be located in the inside of the isolation cover to perform safe operation, the activity space of the operator is greatly improved, the field of vision of the operator is convenient to change, and the problem that the high-speed centrifugal discharge is difficult to operate is solved.

[0015] 2、The installation component is arranged to enable the half body clothes to be installed or disassembled, the sealing property of the connection part is ensured to be good, the fixing ring and the blocking ring are arranged in cooperation, the operator can directly separate the hands from the gloves and the sleeves, the operator can be separated from the half body clothes, and the use convenience of the half body clothes is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 This is a cross-sectional schematic diagram of the isolation enclosure;

[0018] Figure 3 This is a connection diagram for the installed components;

[0019] Figure 4 A breakdown diagram of the installed components;

[0020] Figure 5 This is a schematic diagram showing the contact state between the retaining ring and the mounting ring.

[0021] Reference numerals: 1. Centrifuge body; 2. Isolation hood; 3. Discharge port; 4. Connecting pipe; 5. Half-body suit; 6. Transparent head cover; 7. Gloves; 8. Fixing ring; 9. Mounting base; 10. Mounting plate; 11. Sealing insert plate; 12. Positioning groove; 13. Elastic sealing gasket; 14. Groove; 15. Fixing bolt; 16. Positioning hole; 17. Threaded groove; 18. Fixing ring; 19. Column; 20. Retaining ring; 21. Discharge pipe; 22. Negative pressure machine body; 23. Support base; 24. Discharge pipe. Detailed Implementation

[0022] Example 1

[0023] like Figures 1-5 As shown, this embodiment proposes a high-efficiency negative pressure isolation device, which includes an isolation cover 2 and an installation assembly; a half-body suit 5 is provided at the bottom of the isolation cover 2, and a transparent head cover 6 and two gloves 7 are provided on the half-body suit 5.

[0024] The mounting components include a retaining ring 8 mounted on the half-body garment 5, a mounting plate 10 mounted on the retaining ring 8, a sealing insert 11 mounted on the mounting plate 10, a mounting base 9 mounted on the isolation cover 2 and having a positioning groove 12 and multiple threaded grooves 17, an elastic sealing gasket 13 disposed inside the positioning groove 12, and multiple fixing bolts 15. The elastic sealing gasket 13 is fitted to the inner wall of the positioning groove 12 and has a groove 14 structure. The sealing insert 11 is embedded inside the groove 14. The mounting plate 10 has multiple positioning holes 16, and the fixing bolts 15 pass through the positioning holes 16 and are threadedly connected to the threaded grooves 17.

[0025] Multiple threaded grooves 17 are distributed in a ring on the outside of the positioning groove 12, and the fixing bolts 15 and the mounting plate 10 abut against each other.

[0026] In this embodiment, the half-body garment 5 can accommodate the upper body of the operator, so that the operator can operate safely inside the isolation cover 2. The traditional method of operating by attaching the gloves 7 to the outer wall of the isolation cover 2 is avoided, the activity space of the operator is greatly improved, the field of view of the operator is convenient to change, the problem of difficult operation of high-speed centrifugal discharge is solved, and good practicability is achieved.

[0027] The installation assembly is provided to install or dismount the half-body garment 5. When installed, the fixing ring 8 and the mounting plate 10 on the half-body garment 5 are extruded towards the mounting seat 9, so that the sealing plug plate 11 is embedded in the groove 14 formed by the elastic sealing gasket 13. The elastic sealing gasket 13 fills the gap between the sealing plug plate 11 and the positioning groove 12, improves the sealing effect, and then the plurality of fixing bolts 15 are inserted through the positioning hole 16 and screwed into the inside of the threaded groove 17, so that the half-body garment 5 is fixed and installed. The threaded groove 17 is annularly distributed on the outside of the positioning groove 12, which can improve the tightness of the sealing plug plate 11 when embedded, and avoid the relaxation of the sealing plug plate 11 when the half-body garment 5 is pulled upward.

[0028] Embodiment two

[0029] As shown in Figure 1 and Figure 2 , the high-efficiency negative pressure isolation device provided in this embodiment, compared with embodiment one, in this embodiment, the centrifuge body 1 is arranged on the side of the isolation cover 2, the isolation cover 2 and the centrifuge body 1 are respectively provided with the discharge port 3 and the butt joint pipe 4, the butt joint pipe 4 and the discharge port 3 are sealingly connected, the isolation cover 2 is provided with the negative pressure machine body 22 and the discharge pipe 21, the isolation cover 2 is provided with the support seat 23, the inside of the half-body garment 5 is communicated with the outside through the mounting seat 9 and the isolation cover 2, and the support seat 23 supports and lifts the isolation cover 2 by a height, so that the operator can enter the inside of the half-body garment 5 from the lower side of the isolation cover 2.

[0030] In this embodiment, the sealing connection of the butt joint pipe 4 and the discharge port 3 is used to avoid the escape of particles at the connection to the outside, the negative pressure machine body 22 is mainly used to form a micro-negative pressure environment in the isolation cover 2, to ensure that harmful dust and gas cannot leak to the outside, the discharge pipe 21 is provided with a control valve, and the bottom is provided with a continuous bagging machine (not shown), which can directly seal and package the material while ensuring that the material in the discharge pipe 21 is isolated from the outside, so that dust and gas cannot overflow from the bottom end of the discharge pipe 21.

[0031] Embodiment three

[0032] As shown in Figure 2 and Figure 5As shown, compared with the first embodiment, in the high-efficiency negative pressure isolation device, the sleeve part of the half-body garment 5 is provided with a fixing ring 18, the inside of the isolation cover 2 is provided with two stand columns 19, the stand columns 19 are provided with a blocking ring 20, the large diameter size and the small diameter size of the fixing ring 18 and the blocking ring 20 are the same, and the fixing ring 18 and the blocking ring 20 are both made of elastic material.

[0033] In the embodiment, when the operation is finished, the operator can put the sleeve part of the half-body garment 5 on the blocking ring 20, and make the fixing ring 18 abut against the blocking ring 20, through the blocking effect of the blocking ring 20, then the operator can directly separate the hands from the gloves 7 and the sleeves, so as to facilitate the operator to separate from the half-body garment 5, and the sleeves of the half-body garment 5 can be neatly laid in the inside of the isolation cover 2, so as to facilitate the operator to wear next time.

[0034] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range of the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. A high efficiency negative pressure isolation device, characterized in that, The utility model relates to a kind of isolation cover and centrifuge body, including: Isolation cover (2), the bottom of which is provided with half-body clothes (5), and the half-body clothes (5) is provided with transparent head cover (6) and two gloves (7); Mounting assembly, including fixing ring (8) arranged on half-body clothes (5), mounting plate (10) arranged on fixing ring (8), sealing plug-in board (11) arranged on mounting plate (10), mounting seat (9) arranged on isolation cover (2) and having positioning groove (12) and multiple screw grooves (17), elastic sealing gasket (13) arranged inside positioning groove (12), and multiple fixed bolts (15), elastic sealing gasket (13) is attached to the inner wall of positioning groove (12), and elastic sealing gasket (13) has recess (14) structure, sealing plug-in board (11) is embedded inside recess (14), and multiple positioning holes (16) are provided on mounting plate (10), and fixed bolt (15) penetrates positioning hole (16) and is screw-connected with screw groove (17).

2. The high efficiency negative pressure isolation device of claim 1, wherein, Centrifuge body (1) is arranged on the side of isolation cover (2), and isolation cover (2) and centrifuge body (1) are respectively provided with discharge port (3) and butt joint pipe (4), and butt joint pipe (4) and discharge port (3) are sealingly connected.

3. The high efficiency negative pressure isolation device of claim 1, wherein, Multiple screw grooves (17) are annularly distributed outside positioning groove (12), and fixed bolt (15) and mounting plate (10) abut each other.

4. The high efficiency negative pressure isolation device of claim 1, wherein, The sleeve opening of half-body clothes (5) is provided with fixing ring (18), and the inside of isolation cover (2) is provided with two stand columns (19), and the stand column (19) is provided with blocking ring (20), and the large-diameter size and small-diameter size of fixing ring (18) and blocking ring (20) are same.

5. The high efficiency negative pressure isolation device of claim 4, wherein, Fixing ring (18) and blocking ring (20) are both elastic materials.

6. The high efficiency negative pressure isolation device of claim 1, wherein, Isolation cover (2) is provided with support seat (23), and the inside of half-body clothes (5) is communicated with the outside through mounting seat (9) and isolation cover (2).

7. The high efficiency negative pressure isolation device of claim 1, wherein, Isolation cover (2) is provided with negative pressure machine body (22) and discharge pipe (21).

Images