Filter device for glove box

Abstract

The utility model relates to the technical field of filter devices, and in particular to a filter device for a glove box, which improves the convenience of replacing multiple groups of filter components, reduces the labor intensity of personnel pulling operations, and improves work efficiency; it includes a tank body, an air inlet pipe and an exhaust pipe, an opening is arranged at the top of the tank body, the air inlet pipe is connected and arranged at the lower part of the outer wall of the tank body, and the exhaust pipe is connected and arranged at the upper part of the outer wall of the tank body; it also includes a pushing device, a limiting device, a sealing cover, a partition and a filter component, the sealing cover is installed at the opening at the top of the tank body, the partition is slidably installed in the middle of the tank body, a pushing device is arranged at the bottom of the partition, the pushing device is used to provide an upward pushing force to the partition, the limiting device is installed on the tank body, the limiting device is used to limit and fix the sealing cover and the partition, a plurality of groups of through holes are arranged on the partition, and the filter components are connected and arranged on the plurality of groups of through holes on the partition.

Description

Technical Field

[0001] The utility model relates to the technical field of filter devices, in particular to a filter device for a glove box. Background Art

[0002] The filter device for glove box is a device used to filter harmful substances in the air. It is particularly suitable for medical, laboratory and industrial fields. The device can effectively filter particles, bacteria, viruses and chemicals in the air to protect users from harmful substances.

[0003] As in the patent with prior art authorization announcement number CN219701413U, the utility model discloses a filter for a glove box, including a shell, a connecting assembly is installed at the bottom of the shell, a plurality of filter assemblies are slidably connected inside the shell, a sealing plate is fixedly connected to one end of the filter assembly, and a plurality of limit assemblies corresponding to the sealing plate are installed on the side wall of the shell.

[0004] However, during the use of the filter, it was found that when multiple filter elements needed to be replaced, personnel were required to manually pull out multiple sealing plates. The blocking blocks created greater resistance when personnel pulled the sealing plates outward, increasing the labor intensity of personnel and reducing work efficiency. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a filter device for a glove box which improves the convenience of replacing multiple groups of filter components, reduces the labor intensity of personnel pulling operations, and improves work efficiency.

[0006] The utility model discloses a filter device for a glove box, comprising a tank body, an air inlet pipe and an exhaust pipe, wherein an opening is arranged at the top of the tank body, the air inlet pipe is connected to the lower part of the outer wall of the tank body, and the exhaust pipe is connected to the upper part of the outer wall of the tank body; the utility model also comprises a pushing device, a limiting device, a sealing cover, a partition and a filter assembly, wherein the sealing cover is installed at the opening at the top of the tank body, the partition is slidably installed in the middle part of the tank body, a pushing device is arranged at the bottom of the partition, the pushing device is used to provide an upward pushing force to the partition, the limiting device is installed on the tank body, the limiting device is used to limit and fix the sealing cover and the partition, a plurality of groups of through holes are arranged on the partition, and the filter assembly is connected to the plurality of through holes arranged on the partition. The air inlet pipe is connected with the external air supply equipment, and the air exhaust pipe is connected with the glove box. When gas needs to be input into the glove box, the external air supply equipment transports the gas to the lower part of the tank body through the air inlet pipe, and then the gas is filtered through the filter assembly, and the filtered gas is transported to the glove box through the exhaust pipe. When the filter assembly needs to be disassembled and replaced, the fixing of the sealing cover and the partition is stopped by the limit device. At this time, the partition is driven to move upward by the pushing device, so that the partition drives multiple groups of filter assemblies to move upward and then move out from the top opening of the tank body, thereby improving the convenience of replacing multiple groups of filter assemblies, reducing the labor intensity of personnel pulling operations, and improving work efficiency.

[0007] Preferably, the limiting device includes a guiding device, a connecting rod, a handwheel, a sleeve, a round table and a latch, the connecting rod is rotatably mounted on the sealing cover and the inner side wall of the partition, the handwheel is mounted on the top of the connecting rod, the sleeve is mounted on the bottom of the inner side wall of the tank body, the top of the round table is connected to the bottom end of the connecting rod, the bottom of the round table is set as an inclined surface, and the outer side wall of the round table is provided with a groove, the latch is horizontally slidably mounted on the guiding device, the guiding device is mounted on the outer side wall of the sleeve, the guiding device is used to provide a driving force for the latch, and the top and side of the end of the latch are respectively provided with inclined surfaces; by moving the handwheel downward, the handwheel drives the connecting rod to move downward, and after the connecting rod moves downward, it drives the sealing cover and the partition to move downward, so that the sealing cover seals the top opening of the tank body and makes the partition The plate drives multiple groups of filter components to move into the interior of the tank body, and at the same time, the connecting rod moves downward and drives the round table downward. When the inclined surface at the bottom of the round table contacts the inclined surface at the top of the pin, the round table pushes the pin to retract. At this time, the round table extends into the interior of the kit, and then the connecting rod is driven to rotate by operating the hand wheel. After the connecting rod rotates, it drives the round table to rotate. When the groove of the round table is relative to the position of the pin, the end of the pin extends into the groove to lock the round table, so that the connecting rod fixes the sealing cover and the partition. When the sealing cover needs to be opened, the hand wheel is operated to drive the connecting rod to rotate, and after the connecting rod rotates, it drives the round table to rotate. The groove of the round table cooperates with the inclined surface on the side of the pin to push the pin to retract and move, thereby facilitating the upward movement of the round table and improving the operational convenience of the device.

[0008] Preferably, the filter assembly includes multiple groups of externally threaded barrels, multiple groups of first sealing rings and multiple groups of filter net bags, the multiple groups of externally threaded barrels are respectively connected to the multiple groups of through holes arranged on the partition, the multiple groups of first sealing rings are respectively mounted on the outer side walls of the multiple groups of externally threaded barrels, the multiple groups of filter net bags are respectively screwed on the multiple groups of externally threaded barrels, and the bottom ends of the multiple groups of filter net bags are tightly attached to the multiple groups of first sealing rings; the multiple groups of filter net bags are screwed on the multiple groups of externally threaded barrels, and the bottom ends of the filter net bags are tightly attached to the top surfaces of the multiple groups of first sealing rings to make the multiple groups of externally threaded barrels and the multiple groups of filter net bags sealed, thereby improving the filtering effect of the multiple groups of filter net bags on gas and improving the convenience of loading and unloading operations of the multiple groups of filter net bags.

[0009] Preferably, the guide device includes a guide member and a first spring, the guide member is installed on the outer side wall of the kit, the latch slides into the guide member, and the first spring is installed in the guide member; the first spring provides a driving force to the latch, thereby improving the convenience of the latch extending into the conical groove.

[0010] Preferably, the pushing device includes multiple groups of damping rods and multiple groups of second springs, the multiple groups of damping rods are installed at the bottom of the inner wall of the tank body, the top ends of the multiple groups of damping rods are connected to the bottom end of the partition, and the multiple groups of second springs are respectively fitted on the outer walls of the multiple groups of damping rods; the multiple groups of second springs are used to provide upward power to the partition, thereby improving the convenience of the upward movement of the partition and reducing the intensity of the pulling operation by personnel. By setting multiple groups of damping rods, the stability of the partition movement is improved.

[0011] Preferably, it also includes multiple groups of support rods, the bottom ends of the multiple groups of support rods are connected to the top ends of the partitions, and the top ends of the multiple groups of support rods are connected to the bottom ends of the sealing covers, thereby improving the structural stability between the sealing covers and the partitions.

[0012] Preferably, it also includes a second sealing ring, which is installed on the upper part of the outer side wall of the tank body; after the sealing cover is closed, it is tightly attached to the second sealing ring, thereby improving the sealing effect of the top end of the tank body.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the air inlet pipe is connected with the external air supply equipment, and the exhaust pipe is connected with the glove box. When gas needs to be input into the glove box, the external air supply equipment transports the gas to the lower part of the tank body through the air inlet pipe, and then the gas is filtered through the filter assembly, and the filtered gas is transported to the glove box through the exhaust pipe. When the filter assembly needs to be disassembled and replaced, the fixing of the sealing cover and the partition is stopped by the limit device. At this time, the partition is driven to move upward by the pushing device, so that the partition drives multiple groups of filter assemblies to move upward and then move out from the top opening of the tank body, thereby improving the convenience of replacing multiple groups of filter assemblies, reducing the labor intensity of personnel pulling operations, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is an axonometric structural diagram of the connection between the tank body and the kit, etc.;

[0016] Figure 3 It is a schematic diagram of the axonometric partial structure of the connection between the guide and the latch etc.;

[0017] Figure 4 It is a schematic diagram of the partial axonometric structure of the connection between the external threaded barrel and the first sealing ring;

[0018] Figure 5 is an axonometric structural diagram of the connection between the damping rod and the second spring, etc.;

[0019] Figure 6 It is a side view structural diagram of the connection between the connecting rod and the frustum, etc.

[0020] Markings in the accompanying drawings: 1. tank body; 2. air inlet pipe; 3. exhaust pipe; 4. sealing cover; 5. partition; 6. filter assembly; 7. connecting rod; 8. hand wheel; 9. kit; 10. round table; 11. latch; 12. external threaded cylinder; 13. first sealing ring; 14. filter net bag; 15. guide piece; 16. first spring; 17. damping rod; 18. second spring; 19. support rod; 20. second sealing ring. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Example 1

[0023] like Figures 1 to 5 As shown, a filter device for a glove box of the utility model comprises a tank body 1, an air inlet pipe 2 and an exhaust pipe 3, the top of the tank body 1 is provided with an opening, the air inlet pipe 2 is connected and arranged at the lower part of the outer wall of the tank body 1, and the exhaust pipe 3 is connected and arranged at the upper part of the outer wall of the tank body 1; it also comprises a pushing device, a limiting device, a sealing cover 4, a partition 5 and a filter assembly 6, the sealing cover 4 is covered at the top opening of the tank body 1, the partition 5 is slidably installed in the middle part of the tank body 1 up and down, a pushing device is provided at the bottom of the partition 5, the pushing device is used to provide an upward pushing force to the partition 5, the limiting device is installed on the tank body 1, the limiting device is used to limit and fix the sealing cover 4 and the partition 5, a plurality of groups of through holes are provided on the partition 5, and the filter assembly 6 is connected and arranged on the plurality of groups of through holes of the partition 5;

[0024] like Figure 2 and Figure 3As shown, the limiting device includes a guide device, a connecting rod 7, a hand wheel 8, a kit 9, a round table 10 and a latch 11. The connecting rod 7 is rotatably mounted on the inner wall of the sealing cover 4 and the partition 5, the hand wheel 8 is mounted on the top of the connecting rod 7, the kit 9 ​​is mounted on the bottom of the inner wall of the tank body 1, the top of the round table 10 is connected to the bottom of the connecting rod 7, the bottom of the round table 10 is set as an inclined surface, and the outer wall of the round table 10 is provided with a groove, the latch 11 is horizontally slidably mounted on the guide device, the guide device is mounted on the outer wall of the kit 9, the guide device is used to provide a driving force for the latch 11, and the top and side of the end of the latch 11 are respectively provided with inclined surfaces;

[0025] In this embodiment, the air inlet pipe 2 is connected to the external air supply equipment, and the exhaust pipe 3 is connected to the glove box. When gas needs to be input into the glove box, the external air supply equipment transports the gas to the lower part of the tank body 1 through the air inlet pipe 2, and then the gas is filtered through the filter assembly 6, and the filtered gas is transported to the glove box through the exhaust pipe 3. When the filter assembly 6 needs to be disassembled and replaced, the fixing of the sealing cover 4 and the partition 5 is stopped by the limiting device. At this time, the partition 5 is driven to move upward by the pushing device, so that the partition 5 drives multiple groups of filter assemblies 6 to move upward and then move out from the top opening of the tank body 1, thereby improving the convenience of replacing multiple groups of filter assemblies 6, reducing the labor intensity of personnel pulling operations, and improving work efficiency.

[0026] Example 2

[0027] On the basis of Example 1, Figure 4 As shown, a filter device for a glove box of the utility model, the filter assembly 6 includes multiple groups of external threaded barrels 12, multiple groups of first sealing rings 13 and multiple groups of filter net bags 14, the multiple groups of external threaded barrels 12 are respectively connected to multiple groups of through holes arranged on the partition 5, the multiple groups of first sealing rings 13 are respectively sleeved on the outer side walls of the multiple groups of external threaded barrels 12, the multiple groups of filter net bags 14 are respectively screwed on the multiple groups of external threaded barrels 12, and the bottom ends of the multiple groups of filter net bags 14 are tightly attached to the multiple groups of first sealing rings 13;

[0028] like Figure 3 As shown, the guide device includes a guide member 15 and a first spring 16. The guide member 15 is installed on the outer wall of the sleeve 9. The latch 11 slides into the guide member 15. The first spring 16 is installed in the guide member 15.

[0029] like Figure 2 As shown, the pushing device includes multiple groups of damping rods 17 and multiple groups of second springs 18. The multiple groups of damping rods 17 are installed at the bottom of the inner wall of the tank body 1. The top ends of the multiple groups of damping rods 17 are connected to the bottom end of the partition 5. The multiple groups of second springs 18 are respectively fitted on the outer walls of the multiple groups of damping rods 17.

[0030] like Figure 2As shown, it also includes multiple groups of support rods 19, the bottom ends of the multiple groups of support rods 19 are connected to the top ends of the partitions 5, and the top ends of the multiple groups of support rods 19 are connected to the bottom ends of the sealing covers 4;

[0031] like Figure 1 As shown, it also includes a second sealing ring 20, which is installed on the upper part of the outer side wall of the tank body 1;

[0032] In this embodiment, the hand wheel 8 is moved downward, so that the hand wheel 8 drives the connecting rod 7 to move downward. After the connecting rod 7 moves downward, it drives the sealing cover 4 and the partition 5 to move downward, so that the sealing cover 4 seals the top opening of the tank body 1, and the partition 5 drives the multiple groups of filter components 6 to move into the tank body 1. At the same time, the connecting rod 7 moves downward and drives the round table 10 to move downward. When the bottom inclined surface of the round table 10 contacts the top inclined surface of the latch 11, the round table 10 pushes the latch 11 to retract. At this time, the round table 10 extends into the kit 9. Then, the connecting rod 7 is driven to rotate by operating the hand wheel 8. After the connecting rod 7 rotates, it drives the round table 10 to rotate. When the groove of the round table 10 is relative to the position of the latch 11, the end of the latch 11 extends into the groove to retract the round table 10. The table 10 is locked, so that the connecting rod 7 fixes the sealing cover 4 and the partition 5. When the sealing cover 4 needs to be opened, the operating hand wheel 8 drives the connecting rod 7 to rotate. After the connecting rod 7 rotates, it drives the round table 10 to rotate. The groove of the round table 10 cooperates with the inclined surface on the side of the latch 11 to push the latch 11 to retract and move, thereby facilitating the upward movement of the round table 10, improving the operational convenience of the device, and screwing multiple groups of filter net bags 14 on multiple groups of externally threaded tubes 12. The bottom end of the filter net bag 14 is tightly attached to the top surface of the multiple groups of first sealing rings 13, so that the multiple groups of externally threaded tubes 12 and the multiple groups of filter net bags 14 are sealed, thereby improving the filtering effect of the multiple groups of filter net bags 14 on gas and improving the convenience of loading and unloading operations of the multiple groups of filter net bags 14.

[0033] The utility model discloses a filter device for a glove box. When the filter device is in operation, the air inlet pipe 2 is connected to an external air supply device, and the exhaust pipe 3 is connected to the glove box. When gas needs to be input into the glove box, the external air supply device transports the gas to the lower part of the tank body 1 through the air inlet pipe 2, and then the gas is filtered through the filter assembly 6. The filtered gas is transported to the glove box through the exhaust pipe 3. When the filter assembly 6 needs to be disassembled and replaced, the fixing of the sealing cover 4 and the partition 5 is stopped by the limiting device. At this time, the partition 5 is driven to move upward by the pushing device, so that the partition 5 drives multiple groups of filter assemblies 6 to move upward and then move out from the top opening of the tank body 1.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A filter device for a glove box, comprising a tank body (1), an air intake pipe (2) and an exhaust pipe (3), wherein the top of the tank body (1) is provided with an opening, the air intake pipe (2) is connected to and arranged at the lower part of the outer wall of the tank body (1), and the exhaust pipe (3) is connected to and arranged at the upper part of the outer wall of the tank body (1); characterized in that: The invention also comprises a pushing device, a limiting device, a sealing cover (4), a partition (5) and a filtering assembly (6); the sealing cover (4) is mounted on the top opening of the tank body (1); the partition (5) is mounted in the middle of the tank body (1) so as to slide up and down; a pushing device is arranged at the bottom of the partition (5); the pushing device is used to provide an upward pushing force to the partition (5); the limiting device is mounted on the tank body (1); the limiting device is used to limit and fix the sealing cover (4) and the partition (5); a plurality of through holes are arranged on the partition (5); and the filtering assembly (6) is arranged in communication with the plurality of through holes on the partition (5).

2. A filter device for a glove box according to claim 1, characterized in that: The limiting device comprises a guiding device, a connecting rod (7), a hand wheel (8), a sleeve (9), a round table (10) and a latch (11); the connecting rod (7) is rotatably mounted on the inner side walls of the sealing cover (4) and the partition (5); the hand wheel (8) is mounted on the top of the connecting rod (7); the sleeve (9) is mounted on the bottom of the inner side wall of the tank body (1); the top of the round table (10) is connected to the bottom of the connecting rod (7); the bottom of the round table (10) is arranged as an inclined surface, and the outer side wall of the round table (10) is arranged with a groove; the latch (11) is horizontally slidably mounted on the guiding device; the guiding device is mounted on the outer side wall of the sleeve (9); the guiding device is used to provide a driving force for the latch (11), and the top and side surfaces of the end of the latch (11) are respectively arranged with inclined surfaces.

3. A filter device for a glove box according to claim 1, characterized in that: The filter assembly (6) comprises a plurality of groups of externally threaded barrels (12), a plurality of groups of first sealing rings (13) and a plurality of groups of filter net bags (14); the plurality of groups of externally threaded barrels (12) are respectively connected to a plurality of groups of through holes arranged on the partition (5); the plurality of groups of first sealing rings (13) are respectively mounted on the outer side walls of the plurality of groups of externally threaded barrels (12); the plurality of groups of filter net bags (14) are respectively threadedly mounted on the plurality of groups of externally threaded barrels (12); and the bottom ends of the plurality of groups of filter net bags (14) are tightly attached to the plurality of groups of first sealing rings (13).

4. A filter device for a glove box as claimed in claim 2, characterized in that: The guide device comprises a guide member (15) and a first spring (16); the guide member (15) is mounted on the outer side wall of the sleeve (9); the latch (11) slides into the guide member (15); and the first spring (16) is mounted in the guide member (15).

5. The filter device for a glove box according to claim 1, characterized in that: The pushing device comprises a plurality of groups of damping rods (17) and a plurality of groups of second springs (18). The plurality of groups of damping rods (17) are all mounted on the bottom of the inner wall of the tank body (1). The top ends of the plurality of groups of damping rods (17) are all connected to the bottom end of the partition (5). The plurality of groups of second springs (18) are respectively fitted on the outer walls of the plurality of groups of damping rods (17).

6. A filter device for a glove box as claimed in claim 1, characterized in that: It also includes a plurality of groups of support rods (19), wherein the bottom ends of the plurality of groups of support rods (19) are connected to the top ends of the partitions (5), and the top ends of the plurality of groups of support rods (19) are connected to the bottom ends of the sealing covers (4).

7. The filter device for a glove box according to claim 1, characterized in that: It also includes a second sealing ring (20), which is installed on the upper part of the outer side wall of the tank body (1).

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