Timing device for fuming cupboard
By introducing a multi-stage buffer structure and disassembly components into the timing device, the stability problem of the device under impact was solved, achieving the effects of improved stability and convenient maintenance.
Patent Information
- Application Number
- CN202422670842.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-04
AI Technical Summary
Existing timing devices are easily damaged by impacts and lack a buffer structure, resulting in poor stability.
A timing device with a multi-stage buffer structure was designed. The combination of springs and limit blocks improves the stability of the device when it is subjected to impact, and the components are easy to disassemble and repair.
It improves the stability of the timing device, facilitates disassembly and maintenance, and enhances the device's impact resistance and ease of maintenance.
Smart Images
Figure CN223525290U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to timing device technical field especially relates to a fume hood use timing device. BACKGROUND
[0002] Timing device can automatically monitor the use of fume hood within the set time, ensure that the fume system is closed in time after high risk operation, prevent the retention and leakage of harmful gas, and protect the safety of laboratory workers.
[0003] In the prior art, the time control information for starting the water pump from the control center is received through the communication module, so that the controller controls the opening state and the closing state of the relay switch according to the time control information, and the interval time between the opening state and the closing state is the opening period of the water pump, so that the time relay does not need to be set artificially on site, the water pump control of the sewage treatment station is more convenient and efficient, and the labor cost is saved, but the existing timing device does not have a buffering structure, so that the timing device is easily damaged when impacted. SUMMARY
[0004] In order to make up for the above shortcomings, the utility model provides a fume hood use timing device, which aims at improving the problem that the prior art does not have a buffering structure.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a fume hood use timing device, comprising a mounting seat, recesses are formed on both sides of the front part of the mounting seat, a fixed rod is fixedly connected inside the recess, a first spring is sleeved outside the fixed rod, one end of the first spring is fixedly connected to the inside rear side of the recess, the other end of the first spring is fixedly connected to the rear side of the fixed column, the fixed rod is slidingly connected inside the sliding groove, the sliding groove is arranged on the rear side of the fixed column, first limiting blocks are fixedly connected on both sides of the outer side of the fixed column, a moving plate is fixedly connected to the front end of the fixed rod, a second spring is fixedly connected to the front side of the moving plate, second limiting blocks are fixedly connected on both sides of the outer side of the moving plate, the second spring is fixedly connected inside the sliding groove, the fixed column is slidingly connected to both sides of the inside of the recess, an installation assembly is fixedly connected to the front end of the fixed column, and the installation assembly is used for disassembling and assembling the timing device body.
[0006] Further description of the above technical scheme:
[0007] The installation assembly comprises an installation plate, the installation plate is fixedly connected to the front end of the fixed column, plug-in grooves are formed on both sides of the inside of the installation plate, plug-in blocks are slidingly connected inside the plug-in grooves, and the timing device body is fixedly connected to the front side of the plug-in blocks.
[0008] As a further description of the above technical solutions:
[0009] The side away from the plug-in block is provided with a connecting groove, a connecting shaft is rotationally connected in the connecting groove, a clamping plate is fixedly connected to the lower side of the connecting shaft, third springs are fixedly connected to the two sides of the connecting groove, the third springs are fixedly connected to the side close to the clamping plate, a clamping groove is provided on the side away from the plug-in groove, and a disassembling assembly is slidably connected in the clamping groove.
[0010] As a further description of the above technical solutions:
[0011] The disassembling assembly comprises a push rod, the push rod is slidably connected in the clamping groove, a push plate is fixedly connected to the side close to the push rod, a fourth spring is sleeved outside the push rod, and a push block is fixedly connected to the side away from the push rod.
[0012] As a further description of the above technical solutions:
[0013] One end of the fourth spring is fixedly connected to the two sides outside the mounting plate, and the other end of the fourth spring is fixedly connected to the side close to the push block.
[0014] As a further description of the above technical solutions:
[0015] The push plate is slidably connected in the clamping groove.
[0016] As a further description of the above technical solutions:
[0017] The two sides inside the recess are provided with limiting grooves, and first limiting blocks are slidably connected in the limiting grooves.
[0018] As a further description of the above technical solutions:
[0019] The moving plate is slidably connected in the sliding groove, and the second limiting blocks are slidably connected to the two sides of the fixed column.
[0020] The utility model has the advantages of the following beneficial effects:
[0021] 1、The utility model discloses a timing device body is impacted and drives the mounting plate to move, the mounting plate moves and drives the fixed column to slide outside the fixed rod, and the first spring is extruded, and the moving plate is slid in the sliding groove and extrudes the second spring, so that the device has the function of multistage buffering, and the stability of the timing device body during use is improved.
[0022] 2. The utility model discloses a push block is pressed manually to drive the push rod and push board to move, and the push block extrudes the fourth spring, and the push board moves and extrudes the clamping plate, makes the clamping plate separate from the card slot, and the clamping plate moves and extrudes the third spring, and then manually moves the timing device body to drive the plug -in block to separate from the plug -in groove, which realizes convenient installation and dismounting of the timing device body and facilitates maintenance. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 A three-dimensional view of the timing device for fume hood use is provided for the utility model;
[0024] Figure 2 A sectional view of the mounting seat of the timing device for fume hood use is provided for the utility model;
[0025] Figure 3 A local structure split schematic view of the timing device for fume hood use is provided for the utility model;
[0026] Figure 4 A local structure sectional view of the timing device for fume hood use is provided for the utility model.
[0027] Legend:
[0028] 1, mounting seat, 2, recess, 3, fixed rod, 4, first spring, 5, fixed column, 6, first limit block, 7, limit slot, 8, sliding slot, 9, moving plate, 10, second spring, 11, mounting plate, 12, second limit block, 13, plug -in groove, 14, plug -in block, 15, connecting groove, 16, connecting shaft, 17, clamping plate, 18, third spring, 19, card slot, 20, push rod, 21, push board, 22, fourth spring, 23, push block, 24, timing device body. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0030] Reference Figure 1 , Figure 2 , Figure 3The utility model provides a kind of timing device for fume hood of an embodiment: a timing device for fume hood, including mounting seat 1, recess 2 is set in the front both sides of mounting seat 1, fixedly connected with fixed rod 3 in the inside of recess 2, first spring 4 is equipped with in the outside of fixed rod 3, one end of first spring 4 is fixedly connected in the inside rear side of recess 2, the other end of first spring 4 is fixedly connected in the rear side of fixed column 5, it is convenient to support limit for fixed column 5, fixed rod 3 is slidably connected in the inside of sliding slot 8, sliding slot 8 is set in the rear side of fixed column 5, the both sides of fixed column 5 are fixedly connected with first limit block 6 in the outside, it is convenient to support limit for fixed column 5, the front end of fixed rod 3 is fixedly connected with moving plate 9, the front side of moving plate 9 is fixedly connected with second spring 10, the both sides of moving plate 9 are fixedly connected with second limit block 12 in the outside, second spring 10 is fixedly connected in the inside of sliding slot 8, fixed column 5 is slidably connected in the both sides of recess 2, the front end of fixed column 5 is fixedly connected with mounting assembly, and mounting assembly is used to dismount for timing device body 24;Mounting assembly includes mounting plate 11, and mounting plate 11 is fixedly connected in the front end of fixed column 5, recess 13 is set in the both sides of the inside of mounting plate 11, and plug-in groove 13 is slidably connected with plug-in block 14 in the inside, and the front side of plug-in block 14 is fixedly connected with timing device body 24, and it is convenient to dismount for timing device body 24.
[0031] When timing device body 24 is impacted, mounting plate 11 is moved, and mounting plate 11 moves fixed column 5 to slide outside fixed rod 3, and first spring 4 is extruded, and fixed column 5 moves first limit block 6 to slide inside limit slot 7, and moving plate 9 is extruded in sliding slot 8, and second limit block 12 is slid outside fixed column 5, so that the device has the function of multi-stage buffering.
[0032] Refer to Figure 1 、 Figure 3 、 Figure 4 The side away from the plug-in block 14 is provided with a connecting groove 15, the connecting groove 15 is rotatably connected with a connecting shaft 16, the lower side of the connecting shaft 16 is fixedly connected with a clamping plate 17, the both sides of the connecting groove 15 are fixedly connected with a third spring 18, the third spring 18 is fixedly connected with the side close to the clamping plate 17, so as to support the timing device body 24, the side away from the plug-in groove 13 is provided with a clamping groove 19, the clamping groove 19 is slidably connected with a dismounting assembly, the dismounting assembly is used for dismounting the timing device body 24; the dismounting assembly comprises a push rod 20, the push rod 20 is slidably connected in the clamping groove 19, the side close to the push rod 20 is fixedly connected with a push plate 21, the push rod 20 is sleeved with a fourth spring 22, the side away from the push rod 20 is fixedly connected with a push block 23, so as to dismount the timing device body 24.
[0033] The push block 23 is pressed manually to drive the push rod 20 and the push plate 21 to move, meanwhile the push block 23 extrudes the fourth spring 22, the push plate 21 moves to extrude the clamping plate 17, the clamping plate 17 is separated from the clamping groove 19, meanwhile the clamping plate 17 moves to extrude the third spring 18, then the timing device body 24 is manually moved to drive the plug block 14 to separate from the plug groove 13, which plays a role of facilitating the installation and dismounting of the timing device body 24.
[0034] With reference to Figure 2 , Figure 3 , Figure 4 One end of the fourth spring 22 is fixedly connected to the outer sides of the mounting plate 11, the other end of the fourth spring 22 is fixedly connected to the side close to the push block 23, the push plate 21 is slidably connected to the inside of the clamping groove 19, the inside of the recess 2 is provided with the limiting grooves 7 on both sides, the first limiting blocks 6 are slidably connected to the inside of the limiting grooves 7, the moving plate 9 is slidably connected to the inside of the sliding groove 8, and the second limiting blocks 12 are slidably connected to the two sides of the fixed column 5.
[0035] One end of the fourth spring 22 is fixedly connected to the outer sides of the mounting plate 11, the other end of the fourth spring 22 is fixedly connected to the side close to the push block 23, which plays a role of facilitating the rebound of the push rod 20, the push plate 21 is slidably connected to the inside of the clamping groove 19, which plays a role of facilitating the push plate 21 to drive the clamping plate 17 to separate from the clamping groove 19, the inside of the recess 2 is provided with the limiting grooves 7 on both sides, the first limiting blocks 6 are slidably connected to the inside of the limiting grooves 7, which plays a role of supporting and limiting the fixed column 5, the moving plate 9 is slidably connected to the inside of the sliding groove 8, and the second limiting blocks 12 are slidably connected to the two sides of the fixed column 5, which plays a role of supporting and limiting the moving plate 9.
[0036] Working principle: when the timing device body 24 is impacted, the mounting plate 11 is moved, the fixed column 5 is slid in the groove 2, the fixed column 5 is slid outside the fixed rod 3, the first spring 4 is extruded, the first limiting block 6 is slid in the limiting groove 7, the moving plate 9 is slid in the sliding groove 8, the second spring 10 is extruded, the second limiting block 12 is slid outside the fixed column 5, the device has the function of multi-stage buffering, the stability of the timing device body 24 is improved; the push block 23 is pressed manually, the push block 23 is moved, the push rod 20 is moved, the push block 23 is extruded to the fourth spring 22, the push rod 20 is moved, the push plate 21 is moved, the clamping plate 17 is extruded, the clamping plate 17 is separated from the clamping groove 19, the third spring 18 is extruded, the timing device body 24 is moved, the plug-in block 14 is moved, the plug-in block 14 is separated from the plug-in groove 13, the timing device body 24 is installed and disassembled, and the maintenance is convenient.
[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.
Claims
1. A fume cupboard usage timing device comprising a mounting bracket (1) characterised in that: The front of the mounting seat (1) is provided with a groove (2) on both sides, the inside of the groove (2) is fixedly connected with a fixed rod (3), the outside of the fixed rod (3) is sleeved with a first spring (4), one end of the first spring (4) is fixedly connected with the inside of the rear side of the groove (2), the other end of the first spring (4) is fixedly connected with the rear side of the fixed column (5), the fixed rod (3) is slidingly connected in the inside of the sliding groove (8), the sliding groove (8) is arranged on the rear side of the fixed column (5), the outside of the fixed column (5) is fixedly connected with a first limiting block (6) on both sides, the front end of the fixed rod (3) is fixedly connected with a moving plate (9), the front side of the moving plate (9) is fixedly connected with a second spring (10), the outside of the moving plate (9) is fixedly connected with a second limiting block (12) on both sides, the second spring (10) is fixedly connected in the inside of the sliding groove (8), the fixed column (5) is slidingly connected in the inside of the groove (2) on both sides, the front end of the fixed column (5) is fixedly connected with a mounting assembly, and the mounting assembly is used for disassembling and assembling the timing device body (24).
2. A fume hood usage timing device according to claim 1, wherein: The mounting assembly comprises an installation plate (11), the installation plate (11) is fixedly connected with the front end of the fixed column (5), the inside of the installation plate (11) is provided with a plug-in groove (13) on both sides, the plug-in groove (13) is slidingly connected with a plug-in block (14), and the front side of the plug-in block (14) is fixedly connected with a timing device body (24).
3. A fume cupboard usage timing device according to claim 2, wherein: The side away from the plug-in block (14) is provided with a connecting groove (15), the connecting groove (15) is rotatably connected with a connecting shaft (16), the lower side of the connecting shaft (16) is fixedly connected with a clamping plate (17), the inside of the connecting groove (15) is fixedly connected with a third spring (18) on both sides, the third spring (18) is fixedly connected with the side close to the clamping plate (17), the side away from the plug-in groove (13) is provided with a clamping groove (19), the clamping groove (19) is slidingly connected with a disassembling assembly, and the disassembling assembly is used for disassembling and assembling the timing device body (24).
4. A fume cupboard usage timing device according to claim 3, wherein: The disassembling assembly comprises a push rod (20), the push rod (20) is slidingly connected in the inside of the clamping groove (19), the side close to the push rod (20) is fixedly connected with a push plate (21), the outside of the push rod (20) is sleeved with a fourth spring (22), and the side away from the push rod (20) is fixedly connected with a push block (23).
5. A fume cupboard usage timing device according to claim 4, wherein: One end of the fourth spring (22) is fixedly connected with the outside of the installation plate (11) on both sides, and the other end of the fourth spring (22) is fixedly connected with the side close to the push block (23).
6. A fume hood usage timing device according to claim 4, wherein: The push plate (21) is slidingly connected in the inside of the clamping groove (19).
7. A fume hood usage timing device according to claim 1, wherein: The inside of the groove (2) is provided with a limiting groove (7) on both sides, and the first limiting block (6) is slidingly connected in the inside of the limiting groove (7).
8. A fume hood usage timing device according to claim 1, wherein: The moving plate (9) is slidingly connected in the inside of the sliding groove (8), and the second limiting block (12) is slidingly connected on both sides of the fixed column (5).