Pressing and sealing negative pressure isolator bag-out mechanism

Abstract

The utility model discloses a compressed and sealed negative pressure isolator bag outlet mechanism which comprises a bag outlet barrel, openings are formed in the two ends of the bag outlet barrel, one end of the bag outlet barrel is connected with an installation edge, the installation edge extends towards the outer wall of the bag outlet barrel, and the connecting position of the bag outlet barrel and the installation edge has radian. A bag outlet barrel door is arranged at one end of the bag outlet barrel; a first sealing ring and a second sealing ring are arranged on the opposite sides of the bag outlet barrel door and the installation edge respectively, and a first installation groove and a second installation groove for containing the first sealing ring and the second sealing ring are formed in the bag outlet barrel door and the installation edge respectively. The utility model has the beneficial effects that: 1, the bag outlet barrel is arranged on the side wall of the negative-pressure isolator, and the joints among the bag outlet barrel, the bag outlet barrel door and the negative-pressure isolator are efficiently sealed through the sealing rings, so as to prevent experimental gas from overflowing; compared with a traditional airtight valve, the bag outlet barrel door is better in air tightness, longer in service life and easy to detach, replace and install.

Description

Technical Field

[0001] The utility model belongs to the field of negative pressure isolators, and in particular relates to a negative pressure isolator bag discharging mechanism with compression and sealing. Background Art

[0002] In the use of negative pressure isolators, bag gas discharge is a crucial link. Negative pressure isolators are usually used in places where environmental conditions need to be controlled, such as medical treatment, laboratories, etc., to avoid external contamination or cross contamination. The bag discharge mechanism is a key component in the negative pressure isolator, which is used to safely and efficiently discharge the gas inside the isolator.

[0003] Traditional bag discharging mechanism designs often have the problem of poor sealing performance. Since the interior of the isolator usually needs to maintain a certain negative pressure state, if the bag discharging mechanism is not sealed well, it will cause outside air to infiltrate and damage the internal environment. At the same time, if the bag discharging gas is not operated properly, it may also cause gas leakage or diffusion, increasing safety risks.

[0004] In addition, existing bag discharging mechanisms may not be convenient to operate. For example, some mechanisms need to be opened and closed frequently, which not only increases the complexity of operation, but may also affect the sealing effect. In addition, for application scenarios that require continuous exhaust of gas, traditional bag discharging mechanisms may not meet the needs of efficient and continuous exhaust. Utility Model Content

[0005] The utility model aims to provide a negative pressure isolator bag discharging mechanism with compression and sealing.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A compression-sealed negative pressure isolator bag-out mechanism comprises a bag-out barrel, the bag-out barrel having openings at both ends, one end of which is connected to a mounting edge, the mounting edge extends toward the outer wall of the bag-out barrel, and the connection between the bag-out barrel and the mounting edge has an arc; a bag-out barrel door is provided at one end of the bag-out barrel; a first sealing ring and a second sealing ring are respectively provided on opposite sides of the bag-out barrel door and the mounting edge, and a first mounting groove and a second mounting groove for accommodating the first sealing ring and the second sealing ring are respectively provided; a sealing boss is connected to a side of the bag-out barrel door close to the bag-out barrel, the outer edge of the sealing boss has an arc, and abuts against the connection between the bag-out barrel and the mounting edge.

[0008] Preferably, a third sealing ring is further provided at the abutment portion between the sealing boss and the mounting edge, and a third mounting groove for accommodating the third sealing ring is provided on the outer edge of the sealing boss.

[0009] Preferably, an arc-shaped groove is provided on the outer side wall of the bag outlet barrel.

[0010] Preferably, a negative pressure isolator is further included, which includes an airtight operation box, an opening is provided on the side wall of the operation box, and the bag outlet barrel and the bag outlet barrel door are respectively installed on the outer wall and the inner wall corresponding to the opening.

[0011] Preferably, one side of the bag outlet door is hinged to the side wall of the operation box.

[0012] Preferably, a locking member is also included, and the locking member includes a locking tongue arranged on the side wall of the operation box, and a locking hole arranged at a corresponding position on one side of the bag outlet door.

[0013] Preferably, the bag out of the barrel and the bag out of the barrel door are installed by riveting.

[0014] Preferably, the locking tongue includes a first fixing block, the locking hole includes a second fixing block, a receiving cavity for receiving the first fixing block is provided in the second fixing block, and a notch for pushing in the fixing block is provided through a side wall of the receiving cavity.

[0015] Preferably, a first mounting seat and a second mounting seat are respectively provided at positions of the side wall of the operation box corresponding to the bag outlet door, the locking tongue is installed on the first mounting seat, and the locking hole is rotatably installed on the second mounting seat.

[0016] Preferably, a rotating handle is provided on the side wall of the locking tongue.

[0017] The beneficial effects of the utility model are: 1. The bag outlet barrel is installed on the side wall of the negative pressure isolator, and the connection between the bag outlet barrel, the bag outlet barrel door and the negative pressure isolator is efficiently sealed by a sealing ring to prevent the experimental gas from overflowing; 2. Compared with the traditional airtight valve, the setting of the bag outlet barrel door has better airtightness, longer service life and is easy to disassemble and install. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a negative pressure isolator bag outlet mechanism with compression and sealing in the utility model;

[0019] Figure 2 It is a side structural sectional view of a negative pressure isolator bag outlet mechanism with compression and sealing according to the utility model;

[0020] Figure 3 yes Figure 2 A schematic diagram of the structure enlargement at the center A;

[0021] Figure 4 It is a structural schematic diagram of the locking member of the utility model;

[0022] Figure 5 This is a schematic diagram of the installation of the bag out of the barrel of the utility model;

[0023] Among them: bag out bucket 10, mounting edge 12, bag out bucket door 14, first sealing ring 16, second sealing ring 18, first mounting groove 20, second mounting groove 22, sealing boss 24, third sealing ring 26, third mounting groove 28, arc-shaped card groove 30, locking piece 32, first fixing block 34, second fixing block 36, accommodating cavity 38, notch 40, first mounting seat 42, second mounting seat 44, rotating handle 46, operating box 48. DETAILED DESCRIPTION

[0024] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0025] like Figures 1 to 5 As shown, a bag discharging mechanism of a negative pressure isolator with compression sealing of the utility model comprises a bag discharging barrel 10, the bag discharging barrel 10 has openings at both ends, one end of which is connected to a mounting edge 12, the mounting edge 12 extends toward the outer wall of the bag discharging barrel 10, and the connection between the bag discharging barrel 10 and the mounting edge 12 has an arc; a bag discharging barrel door 14 is arranged at one end of the bag discharging barrel 10; the bag discharging barrel door 14 and the mounting edge 12 are respectively provided with a first sealing ring 16 and a second sealing ring 18 on the opposite side, and are respectively provided with a first mounting groove 20 and a second mounting groove 22 for accommodating the first sealing ring 16 and the second sealing ring 18; the bag discharging barrel door 14 is connected to a sealing boss 24 near the bag discharging barrel 10, the outer edge of the sealing boss 24 has an arc, and is in contact with the connection between the bag discharging barrel 10 and the mounting edge 12. A third sealing ring 26 is also arranged at the abutment between the sealing boss 24 and the mounting edge 12, and a third mounting groove 28 for accommodating the third sealing ring 26 is provided on the outer edge of the sealing boss 24. The negative pressure isolator also includes an airtight operation box 48. The side wall of the operation box 48 has an opening, and the bag outlet barrel 10 and the bag outlet barrel door 14 are respectively installed on the corresponding sides of the opening. The bag outlet barrel 10 and the bag outlet barrel door 14 are installed by riveting, which has better airtightness.

[0026] The first sealing ring 16 is used to seal the gap between the bag outlet door 14 and the negative pressure isolator, the second sealing ring 18 is used to seal the gap between the bag outlet 10 and the negative pressure isolator, and the third sealing ring 26 is used to seal the gap between the sealing boss 24 of the bag outlet door 14 and the bag outlet 10.

[0027] The outer side wall of the bag discharging barrel 10 is provided with an arc-shaped card slot 30. During operation, the collecting bag is sleeved on the outlet end of the bag discharging barrel 10, and the arc-shaped card slot 30 is convenient for fastening the collecting bag.

[0028] It also includes a negative pressure isolator, which includes an airtight operating box 48. The side wall of the operating box 48 has an opening, and the bag outlet barrel 10 and the bag outlet barrel door 14 are respectively installed on the outer wall and the inner wall corresponding to the opening.

[0029] Furthermore, one side of the bag-out door 14 is hinged to the side wall of the operation box 48. A locking member 32 is also included, and the locking member 32 includes a locking tongue arranged on the side wall of the operation box 48, and a locking hole arranged at a corresponding position on one side of the bag-out door 14. The locking tongue includes a first fixing block 34, and the locking hole includes a second fixing block 36. An accommodating cavity 38 for accommodating the first fixing block 34 is provided in the second fixing block 36, and a notch 40 for pushing the first fixing block 34 is provided through the side wall of the accommodating cavity 38.

[0030] Furthermore, the side wall of the operation box 48 is provided with a first mounting seat 42 and a second mounting seat 44 at positions corresponding to the bag outlet door 14, the lock tongue is installed on the first mounting seat 42, and the lock hole is rotatably installed on the second mounting seat 44. A rotating handle 46 is provided on the side wall of the lock tongue. A plurality of operating gloves are provided on the side wall of the negative pressure isolator to ensure sealing and facilitate the operation of the staff in the operation box 48, which is a common technical means in the art.

[0031] The bag outlet door 14 is in a normally closed state. When the gas needs to be bagged out, the staff uses the operating gloves to rotate the lock hole to the position where the lock tongue and the notch 40 are open, so that the lock hole and the lock tongue are separated, and the bag outlet door 14 is opened to bag the gas.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A negative pressure isolator bag discharging mechanism with compression and sealing, characterized in that: The invention comprises a bag discharging barrel, which has openings at both ends, one end of which is connected to a mounting edge, the mounting edge extends toward the outer wall of the bag discharging barrel, and the connection between the bag discharging barrel and the mounting edge has an arc; a bag discharging barrel door is arranged at one end of the bag discharging barrel; the bag discharging barrel door and the mounting edge are respectively arranged on opposite sides thereof with a first sealing ring and a second sealing ring, and are respectively provided with a first mounting groove and a second mounting groove for accommodating the first sealing ring and the second sealing ring; the bag discharging barrel door is connected to a sealing boss on the side close to the bag discharging barrel, the outer edge of the sealing boss has an arc, and abuts against the connection between the bag discharging barrel and the mounting edge.

2. A compression-sealed negative pressure isolator bag discharging mechanism according to claim 1, characterized in that: A third sealing ring is also arranged at the abutment portion between the sealing boss and the mounting edge, and a third mounting groove for accommodating the third sealing ring is provided at the outer edge of the sealing boss.

3. A compression-sealed negative pressure isolator bag discharging mechanism according to claim 1, characterized in that: An arc-shaped slot is provided on the outer side wall of the bag outlet barrel.

4. A compression-sealed negative pressure isolator bag discharging mechanism according to any one of claims 1 to 3, characterized in that: It also includes a negative pressure isolator, which includes an airtight operation box. An opening is opened on the side wall of the operation box, and the bag outlet barrel and the bag outlet barrel door are respectively installed on the outer wall and the inner wall corresponding to the opening.

5. A compression-sealed negative pressure isolator bag discharging mechanism according to claim 4, characterized in that: One side of the bag outlet door is hinged to the side wall of the operation box.

6. A compression-sealed negative pressure isolator bag discharging mechanism according to claim 4, characterized in that: It also includes a locking piece, which includes a locking tongue arranged on the side wall of the operation box, and a locking hole arranged at a corresponding position on one side of the bag outlet door.

7. A compression-sealed negative pressure isolator bag discharging mechanism according to claim 4, characterized in that: The bag out of the barrel and the bag out of the barrel door are installed by riveting.

8. A compression-sealed negative pressure isolator bag discharging mechanism according to claim 6, characterized in that: The locking tongue includes a first fixing block, the locking hole includes a second fixing block, a receiving cavity for receiving the first fixing block is provided in the second fixing block, and a notch for pushing in the fixing block is provided through a side wall of the receiving cavity.

9. A compression-sealed negative pressure isolator bag discharging mechanism according to claim 6, characterized in that: A first mounting seat and a second mounting seat are respectively provided at the side wall of the operation box corresponding to the bag outlet door, the locking tongue is installed on the first mounting seat, and the locking hole is rotatably installed on the second mounting seat.

10. A compression-sealed negative pressure isolator bag discharging mechanism according to claim 6, characterized in that: A rotating handle is arranged on the side wall of the locking tongue.

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