Foldable portable smoke sensing function tester
Through the design of the lifting mechanism and transmission mechanism, the problem of limited adjustment range of the smoke function tester is solved, the convenience and portability are improved, and the accuracy of the test results is ensured.
Patent Information
- Application Number
- CN202422560069.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-10-23
AI Technical Summary
Existing smoke function testers have limitations in their adjustment range and are not easy to carry.
It adopts a foldable design, which drives the threaded rod to rotate synchronously through the lifting mechanism and transmission mechanism to adjust the height of the cigarette lighting mechanism. It also realizes convenient disassembly and assembly through the docking mechanism. Combined with the serpentine smoke outlet pipe and slot structure, the smoke outlet direction can be flexibly adjusted.
The adjustment range has been expanded, the convenience and portability have been improved, and the accuracy of the test results and the flexible use of the equipment have been ensured.
Smart Images

Figure CN223361995U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of smoke detectors, in particular to a foldable portable smoke function tester. Background Art
[0002] The smoke detector uses a photoelectric sensor with a special structural design and is produced using SMD patch processing technology. It has the characteristics of high sensitivity, stability and reliability, low power consumption, beautiful appearance and durability, and ease of use. The circuit and power supply can self-check and can perform simulated alarm tests. It is divided into point type and line type. The point type is divided into ion type smoke sensing and photoelectric type smoke sensing, and the line type is divided into laser smoke sensing and separated infrared beam smoke sensing. Smoke detectors are more common in daily life, and staff are required to conduct on-site tests after installation. The smoke detector function tester is a device that detects whether the smoke detector is normal to ensure that the smoke detector can be used normally.
[0003] Existing smoke function testers, such as authorization announcement No. CN220829757U3, disclose a point-type smoke detector function tester, which uses a rotating rod to drive the first screw to move upward through the vertical cylinder, and then cooperates with the ring to drive the bent rod to move upward. The ring cooperates with the top frame to move the fixed cigarette lighter upward, thereby adjusting its height. However, its adjustment range is limited to the length of the first screw, and the adjustment range is limited, which has certain limitations. Utility Model Content
[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:
[0005] A foldable portable smoke detection function tester includes a lifting mechanism, wherein a docking mechanism and a base are respectively provided on the upper and lower sides of the lifting mechanism, a cigarette lighting mechanism is movably installed on the top of the docking mechanism, and the lifting mechanism includes a limit frame, and two threaded rods symmetrically arranged on the left and right and with opposite thread directions are movably installed inside the limit frame, and the outsides of the two threaded rods are respectively threadedly connected with a slider 1 and a slider 2, the top of the slider 1 is fixedly connected to the support rod 1, and the bottom of the slider 2 is fixedly connected to the support rod 2, the docking mechanism and the base are respectively fixedly installed on the outside of the support rod 1 and the support rod 2, and a transmission mechanism is provided on the top and bottom of the limit frame.
[0006] A further improvement of the technical solution of the present utility model is that the cigarette lighting mechanism includes a shell, a second card slot is opened on the rear side of the shell, the interior of the second card slot is movably connected to the cigarette lighting frame, a smoke exhaust fan is fixedly installed at the front of the interior of the shell, and a smoke outlet pipe is fixedly connected to the front side of the shell.
[0007] A further improvement of the technical solution of the present utility model is that: the docking mechanism includes a fixed block, and a card slot 1 and a mounting slot are respectively provided on the top and rear side of the fixed block, the internal movably connected to the limiting rod of the mounting slot, the internal movably connected to the card slot 1 is connected to a card block connected to the bottom of the cigarette lighting mechanism, the outer side of the limiting rod is fixedly connected to a card plate located in the mounting slot, the outer side of the limiting rod is movably sleeved with a spring located on the rear side of the card plate, and the rear side of the limiting rod is fixedly connected to a pull ring located outside the fixed block.
[0008] A further improvement of the technical solution of the present utility model is that: the transmission mechanism includes an outer shell one and an outer shell two which are respectively fixedly mounted on the bottom and top of the limit frame; a worm gear structure connected to one of the threaded rods is movably mounted inside the outer shell one; the outer side of the worm gear structure is fixedly connected to a crank located outside the outer shell one; a synchronous wheel located in the outer shell two is fixedly mounted on the top of the two threaded rods; a synchronous belt is movably mounted on the outside of the synchronous wheel.
[0009] A further improvement of the technical solution of the present invention is that the support rod 1 and the support rod 2 penetrate the top and bottom of the limiting frame respectively.
[0010] A further improvement of the technical solution of the present invention is that the lengths of the support rod 1 and the support rod 2 are adapted to the length of the limiting frame.
[0011] A further improvement of the technical solution of the present utility model is that the smoke outlet pipe adopts a serpentine pipe.
[0012] A further improvement of the technical solution of the present utility model is that a socket corresponding to the limiting rod is provided on the rear side of the clamping block.
[0013] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:
[0014] 1. The utility model provides a foldable portable smoke sensor function tester, which drives two threaded rods to rotate synchronously by operating a transmission mechanism, so that sliders 1 and 2 move in opposite directions along the outside of the two threaded rods respectively. Slider 2 drives support rod 2 to move downward, and slider 1 drives support rod 1 to move upward, so as to adjust the height of the cigarette lighting mechanism, thereby expanding the adjustable range and reducing the length occupied in the folded state, thereby improving its convenience.
[0015] 2. The utility model provides a foldable portable smoke sensor function tester, which can move the limit rod and the card plate outward by pulling the pull ring outward, thereby squeezing the spring located in the installation slot. The cigarette lighting mechanism can be installed and fixed by inserting the card block at the bottom of the cigarette lighting mechanism into the card slot and releasing the pull ring to release the elastic force of the spring to push the limit rod and the card plate inward and insert them into the socket on the rear side of the card block. The cigarette lighting mechanism can then be flexibly and conveniently disassembled and assembled to improve portability. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of the foldable portable smoke function tester of the present utility model;
[0017] Figure 2 This is a schematic cross-sectional view of the lifting mechanism of the present invention;
[0018] Figure 3 This is a schematic structural diagram of the synchronous wheel of the present utility model;
[0019] Figure 4 This is a structural diagram of the docking mechanism of the present utility model;
[0020] Figure 5 It is a schematic cross-sectional structure diagram of the cigarette lighting mechanism of the present invention.
[0021] In the figure: 1. lifting mechanism; 11. limiting frame; 12. threaded rod; 13. slider 1; 14. slider 2; 15. support rod 1; 16. support rod 2; 17. transmission mechanism; 171. housing 1; 172. housing 2; 173. worm gear structure; 174. crank; 175. synchronous wheel; 176. synchronous belt; 2. docking mechanism; 21. fixing block; 22. card slot 1; 23. mounting slot; 24. limiting rod; 25. card plate; 26. spring; 27. pull ring; 28. card block; 3. base; 4. cigarette lighting mechanism; 41. housing; 42. card slot 2; 43. cigarette lighting frame; 44. smoke exhaust fan; 45. smoke outlet pipe. DETAILED DESCRIPTION
[0022] The utility model is described in further detail below:
[0023] like Figures 1 to 5As shown, the utility model provides a foldable portable smoke function tester, including a lifting mechanism 1, a docking mechanism 2 and a base 3 are respectively provided on the upper and lower sides of the lifting mechanism 1, a cigarette lighting mechanism 4 is movably installed on the top of the docking mechanism 2, the lifting mechanism 1 includes a limit frame 11, two threaded rods 12 which are symmetrically arranged on the left and right and have opposite thread directions are movably installed inside the limit frame 11, the outsides of the two threaded rods 12 are respectively threadedly connected with a slider 13 and a slider 2 14, the top of the slider 13 is fixedly connected with a support rod 15, and the bottom of the slider 2 14 is fixedly connected with a support rod 2 16, the docking mechanism 2 and the base 3 are respectively fixedly installed on the outside of the support rod 15 and the support rod 2 16, and a transmission mechanism 17 is provided on the top and bottom of the limit frame 11.
[0024] By operating the transmission mechanism 17, the two threaded rods 12 are driven to rotate synchronously, so that the slider 1 13 and the slider 2 14 move in opposite directions along the outside of the two threaded rods 12 respectively, and the support rod 2 16 is driven downward by the slider 2 14, and the support rod 1 15 is driven upward by the slider 1 13 to adjust the height of the cigarette lighting mechanism 4, thereby expanding the adjustable range and reducing the length occupied in the retracted state, thereby improving its convenience.
[0025] like Figure 5 As shown, the cigarette lighting mechanism 4 includes a shell 41, a second card slot 42 is opened on the rear side of the shell 41, and the interior of the second card slot 42 is movably connected to the cigarette lighting frame 43, a smoke exhaust fan 44 is fixedly installed at the front of the shell 41, and a smoke outlet pipe 45 is fixedly connected to the front side of the shell 41.
[0026] By adding the combustible material into the cigarette lighter frame 43 and clamping it into the second clamping slot 42, and changing the direction of the smoke by bending the smoke outlet pipe 45, the smoke is extracted by the smoke exhaust fan 44 and blown from the smoke outlet pipe 45 to the smoke detector for testing, thereby facilitating the adjustment of the smoke outlet direction so that the smoke can correctly enter the detection range of the smoke detector, thereby ensuring the accuracy of the functional test results.
[0027] like Figure 4 As shown, the docking mechanism 2 includes a fixed block 21, and a card slot 22 and a mounting slot 23 are respectively provided on the top and rear side of the fixed block 21. The internal movability of the mounting slot 23 is connected to a limit rod 24, and the internal movability of the card slot 22 is connected to a card block 28 connected to the bottom of the cigarette lighting mechanism 4. The outer side of the limit rod 24 is fixedly connected to a card plate 25 located in the mounting slot 23, and the outer side of the limit rod 24 is movably sleeved with a spring 26 located on the rear side of the card plate 25. The rear side of the limit rod 24 is fixedly connected to a pull ring 27 located outside the fixed block 21.
[0028] By pulling the pull ring 27 outward, the limiting rod 24 and the card plate 25 are moved outward, thereby squeezing the spring 26 located in the installation groove 23. The cigarette lighter mechanism 4 is installed and fixed by inserting the card block 28 at the bottom of the cigarette lighter mechanism 4 into the card slot 1 22 and loosening the pull ring 27 to release the elastic force of the spring 26 to push the limiting rod 24 and the card plate 25 to move inward and insert them into the socket on the rear side of the card block 28. The cigarette lighter mechanism 4 can then be flexibly and conveniently disassembled and assembled to improve portability.
[0029] like Figure 2 and Figure 3 As shown, the transmission mechanism 17 includes a shell 171 and a shell 172 respectively fixedly mounted on the bottom and top of the limit frame 11, a worm gear structure 173 connected to one of the threaded rods 12 is movably mounted inside the shell 171, and a crank 174 located outside the shell 171 is fixedly connected to the outside of the worm gear structure 173, and a synchronous wheel 175 located in the shell 172 is fixedly mounted on the top of the two threaded rods 12, and a synchronous belt 176 is movably mounted on the outside of the synchronous wheel 175.
[0030] By rotating the crank handle 174 located on the outside of the shell 171, the worm gear structure 173 connected to the threaded rod 12 located inside the shell 171 is driven to rotate, thereby driving the threaded rod 12 connected thereto to rotate. When the threaded rod 12 rotates, the synchronous wheel 175 and the synchronous belt 176 located in the shell 2 172 are driven to drive the two threaded rods 12 to rotate synchronously, thereby synchronously driving the two threaded rods 12 to move so as to flexibly adjust the height of the cigarette lighting mechanism 4.
[0031] like Figure 2 As shown, the first support rod 15 and the second support rod 16 penetrate the top and bottom of the limiting frame 11 respectively.
[0032] The lengths of the support rod 15 and the support rod 2 16 are adapted to the length of the limiting frame 11 .
[0033] The lengths of the support rod 15 and the support rod 2 16 are adapted to the limit frame 11 and penetrate the top and bottom of the limit frame 11 respectively, so that the support rod 15 and the support rod 2 16 can be raised and lowered outside the limit frame 11 to facilitate adjustment of the height of the cigarette lighting mechanism 4.
[0034] like Figure 5 As shown, the smoke outlet pipe 45 is a serpentine pipe.
[0035] The smoke outlet pipe 45 is a serpentine pipe and can be bent to adjust the direction of the smoke outlet.
[0036] like Figure 4 As shown, a socket corresponding to the limiting rod 24 is provided on the rear side of the clamping block 28 .
[0037] The setting of the jack allows the limiting rod 24 to be locked therein for limiting.
[0038] The following is a detailed description of the working principle of the foldable portable smoke function tester.
[0039] like Figures 1 to 5 As shown, by rotating the crank 174 located on the outside of the housing 171, the worm gear structure 173 connected to the threaded rod 12 located inside the housing 171 is driven to rotate, thereby driving the threaded rod 12 connected thereto to rotate. The rotation of the threaded rod 12 simultaneously drives the synchronous wheel 175 and the synchronous belt 176 located in the housing 2 172, thereby driving the two threaded rods 12 to rotate synchronously. The two threaded rods 12 are arranged in opposite directions, so that the slider 13 and the slider 2 14 are respectively moved toward each other along the outside of the two threaded rods 12. The slider 2 14 drives the support rod 2 16 to move downward, and the slider 1 13 drives the support rod 15 to move upward, thereby adjusting the height of the cigarette lighting mechanism 4. , thereby expanding the adjustable range and reducing the length occupied in the retracted state, thereby improving its convenience. By pulling the pull ring 27 outward, the limit rod 24 and the card plate 25 are driven to move outward, thereby squeezing the spring 26 located in the installation groove 23. By snapping the block 28 at the bottom of the cigarette lighter mechanism 4 into the card slot 1 22, and loosening the pull ring 27 to release the elastic force of the spring 26 to push the limit rod 24 and the card plate 25 inward and snap them into the socket on the rear side of the block 28, the cigarette lighter mechanism 4 is installed and fixed. By adding the combustible material into the cigarette lighter frame 43 and snapping it into the card slot 2 42, and by bending the smoke outlet pipe 45 to change the direction of the smoke outlet, the smoke is extracted by the smoke exhaust fan 44 and blown from the smoke outlet pipe 45 to the smoke detector for testing.
[0040] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A foldable portable smoke detector function tester, comprising a lifting mechanism (1), characterized in that: A docking mechanism (2) and a base (3) are respectively provided on the upper and lower sides of the lifting mechanism (1), and a cigarette lighting mechanism (4) is movably installed on the top of the docking mechanism (2); The lifting mechanism (1) includes a limit frame (11), two threaded rods (12) symmetrically arranged on the left and right and with opposite thread directions are movably installed inside the limit frame (11), the outsides of the two threaded rods (12) are respectively threadedly connected with a slider 1 (13) and a slider 2 (14), the top of the slider 1 (13) is fixedly connected with a support rod 1 (15), and the bottom of the slider 2 (14) is fixedly connected with a support rod 2 (16), the docking mechanism (2) and the base (3) are respectively fixedly installed on the outsides of the support rod 1 (15) and the support rod 2 (16), and the top and bottom of the limit frame (11) are provided with a transmission mechanism (17).
2. A foldable portable smoke detector function tester according to claim 1, characterized in that: The cigarette lighting mechanism (4) comprises a shell (41), a second card slot (42) is provided on the rear side of the shell (41), a cigarette lighting frame (43) is movably connected to the interior of the second card slot (42), a smoke exhaust fan (44) is fixedly installed at the front of the interior of the shell (41), and a smoke outlet pipe (45) is fixedly connected to the front side of the shell (41).
3. The foldable portable smoke detector function tester according to claim 1, characterized in that: The docking mechanism (2) includes a fixed block (21), the top and rear sides of the fixed block (21) are respectively provided with a card slot (22) and a mounting slot (23), the interior of the mounting slot (23) is movably connected to a limit rod (24), the interior of the card slot (22) is movably connected to a card block (28) connected to the bottom of the cigarette lighting mechanism (4), the outer side of the limit rod (24) is fixedly connected to a card plate (25) located in the mounting slot (23), the outer side of the limit rod (24) is movably sleeved with a spring (26) located at the rear side of the card plate (25), and the rear side of the limit rod (24) is fixedly connected to a pull ring (27) located outside the fixed block (21).
4. The foldable portable smoke detector function tester according to claim 1, characterized in that: The transmission mechanism (17) includes a first shell (171) and a second shell (172) respectively fixedly mounted on the bottom and top of the limit frame (11); a worm gear structure (173) connected to one of the threaded rods (12) is movably mounted inside the first shell (171); a crank handle (174) located outside the first shell (171) is fixedly connected to the outside of the worm gear structure (173); a synchronous wheel (175) located inside the second shell (172) is fixedly mounted on the top of the two threaded rods (12); and a synchronous belt (176) is movably mounted outside the synchronous wheel (175).
5. The foldable portable smoke detector function tester according to claim 1, characterized in that: The support rod 1 (15) and the support rod 2 (16) respectively penetrate the top and bottom of the limiting frame (11).
6. The foldable portable smoke detector function tester according to claim 1, characterized in that: The lengths of the support rod 1 (15) and the support rod 2 (16) are adapted to the length of the limiting frame (11).
7. The foldable portable smoke detector function tester according to claim 2, characterized in that: The smoke outlet pipe (45) is a serpentine pipe.
8. The foldable portable smoke detector function tester according to claim 3, characterized in that: A socket corresponding to the limiting rod (24) is provided on the rear side of the clamping block (28).
Citation Information
Patent Citations
Function tester for point type smoke detector
CN220829757U