CN213981619U - Bolt and nut connecting piece looseness alarm device - Google Patents
Bolt and nut connecting piece looseness alarm device Download PDFInfo
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- CN213981619U CN213981619U CN202022994747.7U CN202022994747U CN213981619U CN 213981619 U CN213981619 U CN 213981619U CN 202022994747 U CN202022994747 U CN 202022994747U CN 213981619 U CN213981619 U CN 213981619U
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Abstract
The utility model discloses a bolt and nut connecting piece is not hard up alarm device, including the casing, the casing is the cylinder, and open the casing side has the bayonet socket, and the locating lever is installed to the bayonet socket, is equipped with locking device between locating lever and the bayonet socket, is equipped with the baffle between the inner wall of casing, and the bottom of baffle is provided with the passageway, and the bottom plate of casing is worn out to the passageway, installs movable feeler lever in the passageway. The utility model discloses an use screw thread and locating lever, be convenient for whole device position fixed, locking device has been used, be convenient for quick with device rigidity, micro-gap sensor and activity feeler lever have been used, can be quick detect out the bolt and nut connection not hard up, the waterproof layer has been used, can prevent liquid infiltration casing, lead to the device impaired, the baffle has been used, separate control circuit and transmission testing part, holistic leakproofness has been increased, the antenna has been used, signal transmission's distance has been increased.
Description
Technical Field
The utility model relates to a mechanical detection technical field, in particular to bolt and nut connecting piece is not hard up alarm device.
Background
The bolt is a cylindrical threaded fastener matched with a nut, the bolt consists of a head and a screw, the bolt is required to be used for fixing in the use process of most workpieces, and the workpieces are required to be fixed by the bolt through the nut.
There are many problems with the use of bolt and nut: the connection of bolt and nut can not guarantee firmly always, under the environment of many vibrations such as railway rails, mill's machine, appears becoming flexible very easily between the bolt and nut, nevertheless tiny not hard up is difficult to be followed the naked eye and is surveyed, consequently needs people to inspect the bolt on the equipment regularly, and this not only has wasted time, also has certain potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a bolt and nut connecting piece not hard up alarm device, but direct mount is on bolt or nut, and the not hard up condition of automated inspection can be transmitted to outside equipment on, the direct observation of being convenient for.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a bolt and nut connecting piece loosening alarm device, which comprises a shell, wherein the shell is a cylinder, a bayonet is arranged on the side surface of the shell, a positioning rod is arranged on the bayonet, a locking device is arranged between the positioning rod and the bayonet, a partition board is arranged between the inner walls of the shell, a channel is arranged at the bottom of the partition board and penetrates out of the bottom plate of the shell, a movable contact rod is arranged in the channel, a spring is arranged between the top of the movable contact rod and the partition plate, the top of the movable feeler lever is provided with a micro-motion sensor, the top of the clapboard is provided with a controller for receiving signals of the micro-motion sensor, a power supply and a protective resistor are fixedly arranged on the inner wall of the shell, a signal sending device is arranged at the bottom of a top plate of the shell, the power supply, the protective resistor, the signal sending device and the controller are electrically connected, and threads are arranged on the outer side of the shell.
As a preferred technical scheme of the utility model, locking device includes the rotor plate, clamp plate and cardboard are equipped with respectively at the both ends of rotor plate, clamp plate and cardboard are located the rotor plate homonymy, the quantity of rotor plate is two, the rotor plate symmetry dress is in the bayonet socket, open the one end side of locating lever has ring groove, the locating lever is installed between the rotor plate, the cardboard card is in ring groove.
As an optimal technical scheme of the utility model, open the side of locating lever has the annular groove, the locating lever is aluminum alloy or ferroalloy material.
As an optimized technical scheme of the utility model, the bottom of activity feeler lever is provided with the contact, the quantity of contact is more than two.
As a preferred technical scheme of the utility model, the inboard of casing is provided with the waterproof layer, baffle and casing welding.
As a preferred technical scheme of the utility model, signal transmission device is the FRIF chip, the cartridge has the antenna on the roof of casing, the one end and the signal transmission device of antenna are connected.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses an use screw thread and locating lever, be convenient for whole device position fixed, locking device has been used, be convenient for quick with device rigidity, micro-gap sensor and activity feeler lever have been used, can be quick detect out the bolt and nut connection not hard up, the waterproof layer has been used, can prevent liquid infiltration casing, lead to the device impaired, the baffle has been used, separate control circuit and transmission testing part, holistic leakproofness has been increased, the antenna has been used, signal transmission's distance has been increased.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a half-sectional view of the present invention;
fig. 3 is a partial enlarged view of the utility model at a;
fig. 4 is a partial enlarged view of the utility model at the position B;
in the figure: 1. a housing; 2. a bayonet; 3. positioning a rod; 4. a locking device; 5. a partition plate; 6. a channel; 7. a movable feeler lever; 8. a spring; 9. a micro-motion sensor; 10. a controller; 11. a power source; 12. a protection resistor; 13. a signal transmitting device; 14. a thread; 15. a rotating plate; 16. pressing a plate; 17. clamping a plate; 18. an annular neck; 19. an annular groove; 20. a contact; 21. a waterproof layer; 22. an antenna.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention. Wherein like reference numerals refer to like parts throughout.
Example 1
As shown in fig. 1-4, the utility model provides a bolt and nut connecting piece looseness alarm device, which comprises a shell 1, wherein the shell 1 is a cylinder, a bayonet 2 is arranged on the side surface of the shell 1, a positioning rod 3 is arranged on the bayonet 2, a locking device 4 is arranged between the positioning rod 3 and the bayonet 2, a partition plate 5 is arranged between the inner walls of the shell 1, a channel 6 is arranged at the bottom of the partition plate 5, the channel 6 penetrates out of the bottom plate of the shell 1, a movable contact rod 7 is arranged in the channel 6, a spring 8 is arranged between the top of the movable contact rod 7 and the partition plate 5, a micro-motion sensor 9 is arranged at the top of the movable contact rod 7, a controller 10 for receiving signals of the micro-motion sensor 9 is arranged at the top of the partition plate 5, a power source 11 and a protection resistor 12 are fixedly arranged on the inner wall of the shell 1, a signal sending device 13 is arranged at the bottom of the top plate of the shell 1, the power source 11, the protection resistor 12, the signal sending device 13 is electrically connected with the controller 10, the outside of the housing 1 is provided with a thread 14.
Further, locking device 4 includes rotor plate 15, clamp plate 16 and cardboard 17 are equipped with respectively at rotor plate 15's both ends, clamp plate 16 and cardboard 17 are located rotor plate 15 homonymy, rotor plate 15's quantity is two, rotor plate 15 symmetry dress is in bayonet socket 2, open the one end side of locating lever 3 has ring groove 18, locating lever 3 is installed between rotor plate 15, cardboard 17 card is in ring groove 18, locating lever 3 gos deep into behind bayonet socket 2, inwards press clamp plate 16, thereby it is rotatory to drive rotor plate 15, the cardboard 17 of the rotor plate 15 other end is gone into ring groove 18 along the situation card, accomplish the auto-lock.
The side of the positioning rod 3 is provided with an annular groove 19, the positioning rod 3 is made of aluminum alloy or iron alloy, the annular groove 19 can break off the redundant positioning rod 3 along the annular groove 19 after the positioning of the positioning rod 3 is finished, the bolt or nut can be conveniently detached and installed, and the aluminum alloy or iron alloy is high in strength, corrosion-resistant and long in service life.
The bottom of the movable contact rod 7 is provided with the contacts 20, the number of the contacts 20 is more than two, the arrangement of the contacts 20 ensures the detection sensitivity of the movable contact rod 7, and the alarm can be given out when the movable contact rod is slightly changed.
The inboard of casing 1 is provided with waterproof layer 21, and baffle 5 and casing 1 welding, waterproof layer 21 have increased casing 1's leakproofness, have protected inside device, and welded connection intensity is high, and the leakproofness is good simultaneously.
Specifically, when the device is used, an installation hole can be formed in the top of a bolt head or the bottom of a nut, if the installation hole is formed in the top of the bolt head, the position is adjusted to enable the movable contact rod 7 to extend out of the bottom of the bolt head after the shell 1 is placed in the installation hole; if the bottom of the nut is provided with the mounting hole, after the shell 1 is placed into the mounting hole, the position is adjusted to enable the movable contact rod 7 to stretch out of the top of the nut, the side face of the mounting hole is provided with the positioning rod 3, the shell 1 is screwed into the mounting hole to a proper position, the positioning rod 3 is inserted, the locking device 4 completes self-locking, the nut and the bolt are screwed, the spring 8 is pressed tightly, the contact 20 of the movable contact rod 7 is tightly attached to the contact surface of the nut and the contact surface of the bolt head, when the nut is loosened, the movable contact rod 7 generates small movement, the micro sensor 9 transmits a movement signal to the controller 10, the controller 10 is connected with a control circuit, the signal transmitting device 13 transmits the signal to an external receiving device, and therefore people are reminded that the bolt and the nut are connected loosely.
The utility model discloses an use screw thread 14 and locating lever 3, be convenient for the fixed of whole device position, locking device 4 has been used, be convenient for quick with device rigidity, micro-gap sensor 9 and activity feeler lever 7 have been used, can be quick detect out the bolt and nut connection not hard up, waterproof layer 21 has been used, can prevent liquid infiltration casing 1, it is impaired to lead to the device, baffle 5 has been used, separate control circuit and transmission testing part, the holistic leakproofness has been increased, antenna 22 has been used, signal transmission's distance has been increased.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a bolt and nut connecting piece is not hard up alarm device, includes casing (1), its characterized in that, casing (1) is the cylinder, open casing (1) side has bayonet socket (2), locating lever (3) are installed to bayonet socket (2), locking device (4) are equipped with between locating lever (3) and bayonet socket (2), baffle (5) are equipped with between the inner wall of casing (1), the bottom of baffle (5) is provided with passageway (6), the bottom plate of casing (1) is worn out in passageway (6), install movable feeler lever (7) in passageway (6), be equipped with spring (8) between the top of movable feeler lever (7) and baffle (5), the top of movable feeler lever (7) is provided with fine motion sensor (9), the top of baffle (5) is provided with controller (10) that receive fine motion sensor (9) signal, the novel multifunctional electric water heater is characterized in that a power supply (11) and a protection resistor (12) are fixedly arranged on the inner wall of the shell (1), a signal sending device (13) is arranged at the bottom of a top plate of the shell (1), the power supply (11), the protection resistor (12), the signal sending device (13) and the controller (10) are electrically connected, and threads (14) are arranged on the outer side of the shell (1).
2. The bolt-nut connecting piece loosening warning device according to claim 1, wherein the locking device (4) comprises two rotating plates (15), two ends of each rotating plate (15) are respectively provided with a pressing plate (16) and a clamping plate (17), the pressing plates (16) and the clamping plates (17) are located on the same side of the rotating plates (15), the rotating plates (15) are symmetrically arranged in the bayonet (2), one side face of one end of the positioning rod (3) is provided with an annular clamping groove (18), the positioning rod (3) is arranged between the rotating plates (15), and the clamping plates (17) are clamped in the annular clamping grooves (18).
3. The bolt and nut connecting piece loosening warning device according to claim 1, wherein an annular groove (19) is formed in the side face of the positioning rod (3), and the positioning rod (3) is made of aluminum alloy or iron alloy.
4. The bolt-nut connecting piece loosening warning device according to claim 1, wherein contacts (20) are arranged at the bottom of the movable contact rod (7), and the number of the contacts (20) is more than two.
5. A bolt and nut connection loosening warning device according to claim 1, characterized in that the inside of the shell (1) is provided with a waterproof layer (21), and the partition (5) is welded with the shell (1).
6. The bolt-nut connecting piece loosening alarm device according to claim 1, wherein the signal sending device (13) is a FRIF chip, an antenna (22) is inserted on a top plate of the shell (1), and one end of the antenna (22) is connected with the signal sending device (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022994747.7U CN213981619U (en) | 2020-12-14 | 2020-12-14 | Bolt and nut connecting piece looseness alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022994747.7U CN213981619U (en) | 2020-12-14 | 2020-12-14 | Bolt and nut connecting piece looseness alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213981619U true CN213981619U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022994747.7U Active CN213981619U (en) | 2020-12-14 | 2020-12-14 | Bolt and nut connecting piece looseness alarm device |
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| Country | Link |
|---|---|
| CN (1) | CN213981619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114096090A (en) * | 2021-11-17 | 2022-02-25 | 南通茂业电子科技有限公司 | Anti-collision type electric permanent magnetic chuck controller |
| CN115059178A (en) * | 2022-07-05 | 2022-09-16 | 长江精工钢结构(集团)股份有限公司 | Steel construction building based on steel construction building has protect function that collapses |
-
2020
- 2020-12-14 CN CN202022994747.7U patent/CN213981619U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114096090A (en) * | 2021-11-17 | 2022-02-25 | 南通茂业电子科技有限公司 | Anti-collision type electric permanent magnetic chuck controller |
| CN114096090B (en) * | 2021-11-17 | 2022-08-19 | 南通茂业电子科技有限公司 | Anti-collision type electric permanent magnetic chuck controller |
| CN115059178A (en) * | 2022-07-05 | 2022-09-16 | 长江精工钢结构(集团)股份有限公司 | Steel construction building based on steel construction building has protect function that collapses |
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