CN217276083U - Measuring device for window position of fume hood - Google Patents
Measuring device for window position of fume hood Download PDFInfo
- Publication number
- CN217276083U CN217276083U CN202220279349.3U CN202220279349U CN217276083U CN 217276083 U CN217276083 U CN 217276083U CN 202220279349 U CN202220279349 U CN 202220279349U CN 217276083 U CN217276083 U CN 217276083U
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- fixedly connected
- connecting block
- displacement sensor
- fume hood
- window position
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Abstract
The utility model discloses a measuring device for the window position of a fume hood, which comprises a displacement sensor, wherein the bottom of the displacement sensor is fixedly connected with a stay cord, the other end of the stay cord is fixedly connected with a counterweight pendant, one side of the displacement sensor is fixedly provided with a mounting plate, one side of the mounting plate is movably connected with a fixing seat, one side of the mounting plate is contacted with the fixing seat is fixedly connected with a connecting block, a lock bar is slidably connected in the connecting block, the upper end of the lock bar is movably connected with a pressure bar, and the lower end of the lock bar is movably connected with a lock pin. The displacement sensor is convenient to take down for maintenance, and the disassembly and assembly efficiency is improved.
Description
Technical Field
The utility model relates to a measuring device technical field specifically is a measuring device of fume chamber window position.
Background
The variable air volume fume hood needs to detect the height of a current window in real time so as to calculate the air exhaust volume required by the air speed on the inner surface of the window for keeping safety. At present, the height of a window of a fume hood is measured by mainly adopting a stay cord type displacement sensor or a linear resistance displacement sensor. A multi-turn potentiometer or encoder is connected with the interior of the pull rope type displacement sensor through an elastic bobbin, a pull rope is wound on the bobbin, and one end of the pull rope type displacement sensor is usually fixed on the upper edge of window glass or the upper edge of a counterweight of a fume hood. Along with the up-and-down movement of the window, the pull rope can stretch and retract so as to drive the potentiometer or the encoder to output linear signals. Because its inner structure comprises other moving parts such as spring, the stay cord fracture appears easily, spring inefficacy, potentiometer and encoder wearing and tearing inefficacy etc to equipment needs often to maintain, and displacement sensor generally adopts screw fixed mounting, and it is comparatively troublesome to dismantle the installation, influences the equipment maintenance efficiency.
Disclosure of Invention
An object of the utility model is to provide a measuring device of fume chamber window position to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a measuring device for the window position of a fume hood comprises a displacement sensor, wherein a pull rope is fixedly connected to the bottom of the displacement sensor, a counterweight pendant is fixedly connected to the other end of the pull rope, fixed plates are fixedly connected to the upper side and the lower side of the displacement sensor, the fixed plates are fixedly connected to an installation plate through bolts, a fixed seat is movably connected to one side of the installation plate, a plurality of assembly plates are fixedly connected to the periphery of the fixed seat, assembly holes are formed in the assembly plates, a connecting block is fixedly connected to one side of the installation plate, which is in contact with the fixed seat, a lock rod is slidably connected in the connecting block, a through hole corresponding to the lock rod is formed in the connecting block, the upper end of the lock rod is wedge-shaped, a fixing ring is fixedly connected to the middle of the lock rod, a sliding groove corresponding to the fixing ring is formed in the connecting block, return springs are fixedly connected to both sides of the fixing ring, the return springs are sleeved on the lock rod, and the other ends of the return springs are in contact with the connecting block, the locking lever upper end swing joint has the depression bar, depression bar and fixing base sliding connection are provided with the through-hole that corresponds with the depression bar in the fixing base, depression bar top fixedly connected with clamp plate, depression bar upper portion fixedly connected with spacing ring, are provided with the spout that corresponds with the spacing ring in the fixing base.
As a further aspect of the present invention: the mounting plate is provided with a threaded hole corresponding to the bolt, and the fixing plate is provided with a through hole corresponding to the bolt.
As a further aspect of the present invention: the fixing seat is internally provided with a connecting groove corresponding to the connecting block, and the bottom of the connecting groove is fixedly connected with a rubber pad.
As the utility model discloses further scheme again: the mounting panel lateral wall is protruding in the equal fixedly connected with location in both sides about the connecting block, is provided with the constant head tank that corresponds with the location arch on the fixing base.
As a further aspect of the present invention: the lower end of the lock rod is movably connected with a lock pin, the lock pin is connected with a fixed seat in a sliding mode, the cross section of the lock pin is T-shaped, a sliding groove corresponding to the lock pin is formed in the fixed seat, magnets are fixedly embedded in the lower end of the lock rod and the lock pin, and the magnetic poles of the two adjacent magnets are opposite.
Due to the adoption of the technical scheme, the utility model discloses following superiority has: the utility model discloses a locking lever that sets up locks connecting block and fixing base, thereby it is fixed with the displacement sensor installation on the mounting panel, simple to operate is swift, lockpin through setting up further locks the connecting block, make the connecting block fixed more steady, the rubber pad through setting can insert the effort that produces the bounce-back to it after the fixing base at the connecting block, thereby make the connecting block fixed more firm, make the locking lever break away from the fixing base through pressing down the depression bar, the locking lever pushes down the lockpin and makes it break away from the connecting block, thereby relieve the locking between connecting block and the fixing base, be convenient for take off displacement sensor and maintain, the dismantlement installation effectiveness has been improved, the maintenance time has been practiced thrift.
Drawings
Fig. 1 is a schematic structural diagram of a measuring device for a window position of a fume hood.
Fig. 2 is a schematic view of a fixing seat in a measuring device for a window position of a fume hood.
Fig. 3 is an enlarged schematic view of a portion a of a measuring device for a window position of a fume hood.
Fig. 4 is an enlarged schematic view of a measuring device for the position of a window of a fume hood at position B.
In the figure: the device comprises a displacement sensor 1, a pull rope 2, a counterweight pendant 3, a fixing plate 4, a mounting plate 5, a fixing seat 6, an assembling plate 7, a connecting block 8, a rubber pad 9, a positioning bulge 10, a lock rod 11, a fixing ring 12, a return spring 13, a pressure rod 14, a pressure plate 15, a limiting ring 16, a lock pin 17 and a magnet 18.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Please refer to fig. 1 ~ 4, in the embodiment of the utility model, a measuring device of fume chamber window position, including displacement sensor 1, 1 bottom fixedly connected with stay cord 2 of displacement sensor, 2 other end fixedly connected with counter weight pendants 3 of stay cord, the equal fixedly connected with fixed plate 4 in both sides about displacement sensor 1, fixed plate 4 passes through bolt fixedly connected with mounting panel 5, be provided with the screw hole that corresponds with the bolt on the mounting panel 5, be provided with the through-hole that corresponds with the bolt on fixed plate 4, 5 one side swing joint of mounting panel has fixing base 6, 6 week side fixedly connected with a plurality of assembly plates 7 of fixing base, be provided with the pilot hole on the assembly plate 7.
A connecting block 8 is fixedly connected on one side surface of the mounting plate 5 contacting the fixed seat 6, a connecting groove corresponding to the connecting block 8 is arranged in the fixed seat 6, a rubber pad 9 is fixedly connected at the bottom of the connecting groove, and can generate rebounding acting force on the connecting block 8 after the connecting block is inserted into the fixed seat 6, thereby make connecting block 8 fixed more firm, the equal fixedly connected with location arch 10 in both sides about connecting block 8 of 5 lateral walls of mounting panel, be provided with the constant head tank that corresponds with the protruding 10 in location on the fixing base 6, sliding connection has locking lever 11 in the connecting block 8, be provided with the through-hole that corresponds with locking lever 11 in the connecting block 8, locking lever 11 upper end is the wedge, locking lever 11 middle part fixedly connected with solid fixed ring 12, be provided with the spout that corresponds with solid fixed ring 12 in the connecting block 8, gu the equal fixedly connected with reset spring 13 in fixed ring 12 both sides, reset spring 13 suit is on locking lever 11, the reset spring 13 other end is contradicted with connecting block 8 and is connected.
The upper end of the lock rod 11 is movably connected with a press rod 14, the press rod 14 is connected with the fixed seat 6 in a sliding mode, a through hole corresponding to the press rod 14 is formed in the fixed seat 6, a press plate 15 is fixedly connected to the top of the press rod 14, a limiting ring 16 is fixedly connected to the upper portion of the press rod 14, a sliding groove corresponding to the limiting ring 16 is formed in the fixed seat 6, a lock pin 17 is movably connected to the lower end of the lock rod 11, the lock pin 17 is connected with the fixed seat 6 in a sliding mode, the cross section of the lock pin 17 is T-shaped, the sliding groove corresponding to the lock pin 17 is formed in the fixed seat 6, magnets 18 are fixedly embedded in the lower end of the lock rod 11 and the lock pin 17, and the magnetic poles of the two adjacent magnets 18 are opposite.
It should be noted that, displacement sensor 1 inserts fixing base 6 to locking lever 11 with connecting block 8 and aligns with depression bar 14 when the installation, locking lever 11 inserts fixing base 6 in the upper end under the effect of 13 elasticity of reset spring, lockpin 17 locks connecting block 8 in inserting connecting block 8 under the effect of magnetite appeal, can accomplish the installation, when needing to take off displacement sensor 1 and maintain, press depression bar 14 and make locking lever 11 break away from fixing base 6, lockpin 11 can push down lockpin 17 simultaneously and make it break away from connecting block 8, thereby relieve the locking between connecting block 8 and fixing base 6, can take off displacement sensor 1 and maintain, the dismantlement installation effectiveness has been improved, the maintenance time has been practiced thrift.
Claims (5)
1. A measuring device for the window position of a fume hood comprises a displacement sensor (1) and is characterized in that a pull rope (2) is fixedly connected to the bottom of the displacement sensor (1), a counterweight pendant (3) is fixedly connected to the other end of the pull rope (2), fixing plates (4) are fixedly connected to the upper side and the lower side of the displacement sensor (1), a mounting plate (5) is fixedly connected to each fixing plate (4) through a bolt, a fixing seat (6) is movably connected to one side of each mounting plate (5), a plurality of assembling plates (7) are fixedly connected to the periphery of each fixing seat (6), assembling holes are formed in each assembling plate (7), a connecting block (8) is fixedly connected to one side of each mounting plate (5) contacting with each fixing seat (6), a lock rod (11) is slidably connected to each connecting block (8), through holes corresponding to the lock rods (11) are formed in each connecting block (8), and the upper end of each lock rod (11) is wedge-shaped, locking lever (11) middle part fixedly connected with solid fixed ring (12), be provided with the spout that corresponds with solid fixed ring (12) in connecting block (8), gu the equal fixedly connected with reset spring (13) in fixed ring (12) both sides, reset spring (13) suit is on locking lever (11), reset spring (13) other end is contradicted with connecting block (8) and is connected, locking lever (11) upper end swing joint has depression bar (14), depression bar (14) and fixing base (6) sliding connection, be provided with the through-hole that corresponds with depression bar (14) in fixing base (6), depression bar (14) top fixedly connected with clamp plate (15), depression bar (14) upper portion fixedly connected with spacing ring (16), be provided with the spout that corresponds with spacing ring (16) in fixing base (6).
2. The device for measuring the window position of the fume hood according to claim 1, wherein the mounting plate (5) is provided with a threaded hole corresponding to the bolt, and the fixing plate (4) is provided with a through hole corresponding to the bolt.
3. The device for measuring the window position of the fume hood as claimed in claim 1, wherein the fixing seat (6) is provided with a connecting groove corresponding to the connecting block (8), and a rubber pad (9) is fixedly connected to the bottom of the connecting groove.
4. The device for measuring the window position of the fume hood according to claim 1, wherein the side wall of the mounting plate (5) is fixedly connected with positioning protrusions (10) on the upper side and the lower side of the connecting block (8), and positioning grooves corresponding to the positioning protrusions (10) are arranged on the fixing seat (6).
5. The device for measuring the window position of the fume hood according to claim 1, characterized in that the lower end of the lock rod (11) is movably connected with a lock pin (17), the lock pin (17) is connected with the fixed seat (6) in a sliding manner, the cross section of the lock pin (17) is T-shaped, a sliding groove corresponding to the lock pin (17) is arranged in the fixed seat (6), magnets (18) are fixedly embedded in the lower end of the lock rod (11) and the lock pin (17), and the magnetic poles of the two adjacent magnets (18) are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220279349.3U CN217276083U (en) | 2022-02-11 | 2022-02-11 | Measuring device for window position of fume hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220279349.3U CN217276083U (en) | 2022-02-11 | 2022-02-11 | Measuring device for window position of fume hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217276083U true CN217276083U (en) | 2022-08-23 |
Family
ID=82854176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220279349.3U Active CN217276083U (en) | 2022-02-11 | 2022-02-11 | Measuring device for window position of fume hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217276083U (en) |
-
2022
- 2022-02-11 CN CN202220279349.3U patent/CN217276083U/en active Active
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