Exhaust gas adsorption structure of fume hood

Abstract

The utility model discloses a fume hood waste gas adsorption structure which comprises a fume hood, and the top of the fume hood is fixedly connected with a top plate. The motor drives the worm to rotate, the worm drives the worm gear and the gear to rotate, the gear drives the toothed plate to move towards the front side, the toothed plate drives the linkage plate to move towards the front side, the linkage plate drives the connecting plate to move towards the front side, the connecting plate drives the moving block to move towards the front side, and the moving block drives the filter element groove and the adsorption filter element to move towards the front side. When the connecting plate moves to a limit position, the motor is closed, then the old adsorption filter element retreats from the interior of the sealing block, the new adsorption filter element enters the interior of the sealing block, and the new adsorption filter element is aligned and communicated with the output end of the air suction cover, so that the adsorption filter element loading block has the advantage of quickly replacing the adsorption filter element; a user does not need to operate and adjust for many times, so that the replacement efficiency of the adsorption filter element is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical experimental equipment, in particular to a fume hood exhaust gas adsorption structure. Background Art

[0002] During the chemical experiment, a fume hood is needed, and the patent publication number is 202321197847.4, which discloses a fume hood exhaust gas adsorption structure, including a cabinet body, an air collecting hood, an air pump, an exhaust pipe, a rotating shaft, a turntable, a placement slot, an adsorption filter element, a clamping pipe, a drive clamping mechanism and a drive conversion mechanism, wherein the air collecting hood is fixed to the middle of the top of the inner wall of the cabinet body, and the air pump is fixed to the middle of the upper end of the cabinet body; when in use, the utility model can pre-store six adsorption filter elements on the inner side of the turntable at one time, and the adsorption filter element can be automatically converted after an adsorption filter element fails, and since six adsorption filter elements are pre-stored, six filter element replacements can be automatically completed, and there is no need to manually replace them every time. People only need to replace six filter elements at one time after all six filter elements fail. Compared with the traditional method of manually disassembling and installing each time the filter element is replaced, the replacement efficiency of the fume hood adsorption filter element can be greatly improved, saving manpower.

[0003] The above-mentioned prior art solution has the following defects: during the rotation of the turntable, it is difficult to completely align the placement groove with the exhaust pipe, and the user needs to manipulate the turntable to rotate multiple times. In the process of aligning and adjusting the placement groove with the exhaust pipe, a lot of time is wasted, which reduces the replacement efficiency of the adsorption filter element. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a fume hood exhaust gas adsorption structure, which has the advantage of quick replacement of the adsorption filter element, and solves the problem that during the rotation of the turntable, the placement slot is difficult to be completely aligned with the exhaust pipe, and the user needs to manipulate the turntable rotation multiple times. In the process of aligning and adjusting the placement slot with the exhaust pipe, a lot of time is wasted, which reduces the efficiency of replacing the adsorption filter element.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fume hood exhaust gas adsorption structure, including a fume hood, the top of the fume hood is fixedly connected to a top plate, the bottom of the top plate is fixedly connected to an air suction hood, the top of the top plate is fixedly connected to a sealing block, the output end of the air suction hood is connected to the input end of the sealing block, a moving block is arranged inside the sealing block, the front and rear sides of the moving block extend to the front and rear sides of the sealing block respectively, a filter element groove is provided on the front and rear sides of the right side of the moving block, an adsorption filter element is arranged inside the filter element groove, the front and rear sides of the moving block are fixedly connected to a connecting plate, the right side of the inner side of the connecting plate is fixedly connected to a linkage plate, a limiting seat is arranged inside the linkage plate, the bottom of the limiting seat is fixedly connected to the bottom of the top plate, and the right side of the linkage plate is fixedly connected to a transmission mechanism.

[0006] As a preferred embodiment of the utility model, the transmission mechanism includes a tooth plate, the tooth plate is fixedly connected to the right side of the linkage plate, the right side of the linkage plate is meshed with a gear, the top of the gear is fixedly connected with a worm wheel, the worm wheel and the gear are hinged at the top of the top plate through a shaft seat, the right side of the worm wheel is meshed with a worm, the rear side of the worm is fixedly connected to a motor, and the bottom of the motor is fixedly connected to the top of the top plate.

[0007] As a preferred embodiment of the present invention, a stabilizing sleeve is provided on the front side of the worm surface, the bottom of the stabilizing sleeve is fixedly connected to the bottom of the top plate, and the stabilizing sleeve is located on the top of the fume hood.

[0008] As a preferred embodiment of the present invention, the top of the limit seat is fixedly connected to a limit plate, the bottom of the limit plate is in contact with the top of the linkage plate, and the limit plate is in a rectangular shape.

[0009] As a preferred embodiment of the present invention, the front side and the rear side of the top of the linkage plate are fixedly connected with reinforcement plates, the bottom of the reinforcement plate is fixedly connected to the top of the connecting plate, and the reinforcement plate is located on the top of the limiting seat.

[0010] As a preferred embodiment of the utility model, the front and rear sides of the right side of the moving block are fixedly connected with reinforcement blocks, the surface of the reinforcement blocks is fixedly connected to the surface of the connecting plate, and the reinforcement blocks are located at the front and rear sides of the sealing block.

[0011] As a preferred embodiment of the utility model, a buffer pad is fixedly connected to the surface of the reinforcement block, the surface of the buffer pad is in contact with the surface of the sealing block, and the buffer pad is located on the top of the fume hood.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model drives the worm to rotate through a motor, and the worm drives the worm wheel and the gear to rotate, and the gear drives the tooth plate to move forward, and the tooth plate drives the linkage plate to move forward, and the linkage plate drives the connecting plate to move forward, and the connecting plate drives the moving block to move forward, and the moving block drives the filter element slot and the adsorption filter element to move forward, and when the connecting plate moves to the limit position, the motor is turned off, and then the old adsorption filter element withdraws from the interior of the sealing block, and the new adsorption filter element enters the interior of the sealing block, and the new adsorption filter element is aligned and connected with the output end of the suction hood, which has the advantage of quick replacement of the adsorption filter element, and the adsorption filter element loading block is translated to the limit position, so that the adsorption filter element can be aligned with the air pipe, and the user does not need to operate and adjust multiple times, thereby improving the replacement efficiency of the adsorption filter element.

[0014] 2. The utility model can drive the linkage plate to move by setting a transmission mechanism, thereby preventing the linkage plate from being unable to move, causing the moving block to be unable to move, and improving the efficiency of the moving block in replacing the adsorption filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 A three-dimensional diagram of the suction hood of the utility model;

[0017] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 4 For this utility model Figure 2 Enlarged structural diagram at point B in the middle.

[0019] In the figure: 1. fume hood; 2. top plate; 3. suction hood; 4. sealing block; 5. moving block; 6. filter element slot; 7. adsorption filter element; 8. connecting plate; 9. linkage plate; 10. limit seat; 11. transmission mechanism; 111. tooth plate; 112. gear; 113. worm wheel; 114. worm; 115. motor; 12. stabilizing sleeve; 13. limit plate; 14. reinforcement plate; 15. reinforcement block; 16. buffer pad. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 4As shown, the utility model provides a fume hood exhaust gas adsorption structure, including a fume hood 1, a top plate 2 is fixedly connected to the top of the fume hood 1, an air suction hood 3 is fixedly connected to the bottom of the top plate 2, a sealing block 4 is fixedly connected to the top of the top plate 2, the output end of the air suction hood 3 is connected to the input end of the sealing block 4, a moving block 5 is arranged inside the sealing block 4, the front and rear sides of the moving block 5 extend to the front and rear sides of the sealing block 4 respectively, a filter element groove 6 is provided on the front and rear sides of the right side of the moving block 5, an adsorption filter element 7 is arranged inside the filter element groove 6, a connecting plate 8 is fixedly connected to the front and rear sides of the moving block 5, a linkage plate 9 is fixedly connected to the right side of the inner side of the connecting plate 8, a limiting seat 10 is arranged inside the linkage plate 9, the bottom of the limiting seat 10 is fixedly connected to the bottom of the top plate 2, and a transmission mechanism 11 is fixedly connected to the right side of the linkage plate 9.

[0022] refer to Figure 4 The transmission mechanism 11 includes a tooth plate 111, which is fixedly connected to the right side of the linkage plate 9. A gear 112 is meshed on the right side of the linkage plate 9. A worm wheel 113 is fixedly connected to the top of the gear 112. The worm wheel 113 and the gear 112 are hinged to the top of the top plate 2 through a shaft seat. A worm 114 is meshed on the right side of the worm wheel 113. A motor 115 is fixedly connected to the rear side of the worm 114. The bottom of the motor 115 is fixedly connected to the top of the top plate 2.

[0023] As a technical optimization solution of the utility model, by setting a transmission mechanism 11, the linkage plate 9 can be driven to move, avoiding the linkage plate 9 being unable to move, resulting in the movable block 5 being unable to move, thereby improving the efficiency of the movable block 5 replacing the adsorption filter element 7.

[0024] refer to Figure 4 A stabilizing sleeve 12 is sleeved on the front side of the surface of the worm 114 , and the bottom of the stabilizing sleeve 12 is fixedly connected to the bottom of the top plate 2 , and the stabilizing sleeve 12 is located on the top of the fume hood 1 .

[0025] As a technical optimization solution of the utility model, by providing a stabilizing sleeve 12, the worm 114 can be stabilized to prevent the worm 114 from tilting during rotation, which would cause the worm 114 and the worm wheel 113 to loosen, thereby improving the use efficiency of the worm 114 and the worm wheel 113.

[0026] refer to Figure 4 The top of the limiting seat 10 is fixedly connected to a limiting plate 13, the bottom of the limiting plate 13 contacts the top of the linkage plate 9, and the limiting plate 13 is in a rectangular shape.

[0027] As a technical optimization solution of the utility model, by setting a limit plate 13, the linkage plate 9 can be limited to avoid shaking during the movement of the linkage plate 9, which causes the linkage plate 9 to move loosely, thereby improving the movement safety of the linkage plate 9.

[0028] refer to Figure 4 The front and rear sides of the top of the linkage plate 9 are fixedly connected with a reinforcement plate 14 , the bottom of the reinforcement plate 14 is fixedly connected to the top of the connecting plate 8 , and the reinforcement plate 14 is located on the top of the limiting seat 10 .

[0029] As a technical optimization solution of the utility model, by setting a reinforcement plate 14, the connection between the linkage plate 9 and the connecting plate 8 can be reinforced to prevent the connection between the linkage plate 9 and the connecting plate 8 from being easily broken, resulting in the linkage plate 9 and the connecting plate 8 being unable to cooperate, thereby improving the working safety of the linkage plate 9 and the connecting plate 8.

[0030] refer to Figure 3 The front and rear sides of the right side of the moving block 5 are fixedly connected with reinforcement blocks 15, the surface of the reinforcement block 15 is fixedly connected to the surface of the connecting plate 8, and the reinforcement block 15 is located at the front and rear sides of the sealing block 4.

[0031] As a technical optimization solution of the utility model, by setting a reinforcement block 15, the connection between the moving block 5 and the connecting plate 8 can be reinforced to prevent the connecting plate 8 and the moving plate from loosening easily and causing the two to separate, thereby improving the connection strength between the connecting plate 8 and the moving plate.

[0032] refer to Figure 3 A buffer pad 16 is fixedly connected to the surface of the reinforcement block 15 , and the surface of the buffer pad 16 contacts the surface of the sealing block 4 . The buffer pad 16 is located on the top of the fume hood 1 .

[0033] As a technical optimization solution of the utility model, by setting the buffer pad 16, the reinforcement block 15 can be isolated from contact with the sealing block 4, avoiding the sealing block 4 being hit by the reinforcement block 15, causing damage to the surface of the sealing block 4, and improving the safety of the use of the sealing block 4.

[0034] The working principle and use process of the utility model are as follows: during use, when the adsorption filter element 7 on the front side of the interior of the moving block 5 needs to be replaced, the motor 115 is started, the motor 115 drives the worm 114 to rotate, the worm 114 drives the worm wheel 113 and the gear 112 to rotate, the gear 112 drives the tooth plate 111 to move forward, the tooth plate 111 drives the linkage plate 9 to move forward, the linkage plate 9 drives the connecting plate 8 to move forward, the connecting plate 8 drives the moving block 5 to move forward, the moving block 5 drives the filter element slot 6 and the adsorption filter element 7 to move forward, when the connecting plate 8 moves to the extreme position, the motor 115 is turned off, and then the old adsorption filter element 7 withdraws from the interior of the sealing block 4, the new adsorption filter element 7 enters the interior of the sealing block 4, the new adsorption filter element 7 is aligned and connected with the output end of the suction hood 3, thereby having the advantage of quick replacement of the adsorption filter element.

[0035] To sum up: the exhaust gas adsorption structure of the fume hood, through the coordinated use of the fume hood 1, the top plate 2, the air suction hood 3, the sealing block 4, the moving block 5, the filter element slot 6, the adsorption filter element 7, the connecting plate 8, the linkage plate 9, the limit seat 10, and the transmission mechanism 11, has the advantage of quick replacement of the adsorption filter element, and solves the problem that during the rotation of the turntable, the placement slot is difficult to be completely aligned with the exhaust pipe, and the user needs to manipulate the turntable rotation multiple times. In the process of aligning and adjusting the placement slot with the exhaust pipe, a lot of time is wasted, which reduces the replacement efficiency of the adsorption filter element.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fume hood exhaust gas adsorption structure, comprising a fume hood (1), characterized in that: The top of the fume hood (1) is fixedly connected to a top plate (2), the bottom of the top plate (2) is fixedly connected to an air hood (3), the top of the top plate (2) is fixedly connected to a sealing block (4), the output end of the air hood (3) is connected to the input end of the sealing block (4), a moving block (5) is arranged inside the sealing block (4), the front side and the rear side of the moving block (5) respectively extend to the front side and the rear side of the sealing block (4), the front side and the rear side of the right side of the moving block (5) are both provided with a filter element groove (6), an adsorption filter element (7) is arranged inside the filter element groove (6), the front side and the rear side of the moving block (5) are both fixedly connected to a connecting plate (8), the right side of the inner side of the connecting plate (8) is fixedly connected to a linkage plate (9), a limit seat (10) is arranged inside the linkage plate (9), the bottom of the limit seat (10) is fixedly connected to the bottom of the top plate (2), and the right side of the linkage plate (9) is fixedly connected to a transmission mechanism (11).

2. The exhaust gas adsorption structure of a fume hood according to claim 1, characterized in that: The transmission mechanism (11) comprises a toothed plate (111), the toothed plate (111) being fixedly connected to the right side of a linkage plate (9), the right side of the linkage plate (9) being meshed with a gear (112), the top of the gear (112) being fixedly connected with a worm wheel (113), the worm wheel (113) and the gear (112) being hinged to the top of a top plate (2) via a shaft seat, the right side of the worm wheel (113) being meshed with a worm (114), the rear side of the worm (114) being fixedly connected with a motor (115), and the bottom of the motor (115) being fixedly connected to the top of the top plate (2).

3. The exhaust gas adsorption structure of a fume hood according to claim 2, characterized in that: A stabilizing sleeve (12) is sleeved on the front side of the surface of the worm (114); the bottom of the stabilizing sleeve (12) is fixedly connected to the bottom of the top plate (2); and the stabilizing sleeve (12) is located on the top of the fume hood (1).

4. The exhaust gas adsorption structure of a fume hood according to claim 1, characterized in that: The top of the limiting seat (10) is fixedly connected to a limiting plate (13), the bottom of the limiting plate (13) contacts the top of the linkage plate (9), and the limiting plate (13) is in the shape of a rectangle.

5. The exhaust gas adsorption structure of a fume hood according to claim 1, characterized in that: The front and rear sides of the top of the linkage plate (9) are both fixedly connected with a reinforcement plate (14), the bottom of the reinforcement plate (14) is fixedly connected to the top of the connection plate (8), and the reinforcement plate (14) is located on the top of the limit seat (10).

6. The exhaust gas adsorption structure of a fume hood according to claim 1, characterized in that: The front side and the rear side of the right side of the moving block (5) are both fixedly connected with reinforcement blocks (15), the surface of the reinforcement block (15) is fixedly connected to the surface of the connecting plate (8), and the reinforcement block (15) is located at the front side and the rear side of the sealing block (4).

7. The exhaust gas adsorption structure of a fume hood according to claim 6, characterized in that: A buffer pad (16) is fixedly connected to the surface of the reinforcement block (15); the surface of the buffer pad (16) is in contact with the surface of the sealing block (4); and the buffer pad (16) is located on the top of the fume hood (1).

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