CN209783882U - bolt looseness detection device - Google Patents
bolt looseness detection device Download PDFInfo
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- CN209783882U CN209783882U CN201920605982.5U CN201920605982U CN209783882U CN 209783882 U CN209783882 U CN 209783882U CN 201920605982 U CN201920605982 U CN 201920605982U CN 209783882 U CN209783882 U CN 209783882U
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- bolt
- magnet
- composite connector
- end part
- bolt looseness
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Abstract
The utility model discloses a bolt looseness detection device, which comprises a bolt end part and two line end parts, wherein the two line end parts respectively form detachable magnetic and electric connection through a composite connector and two other composite connectors arranged on the bolt end part; the bolt end part is combined on a bolt to be tested, when the bolt to be tested is loosened, the bolt end part is driven to be twisted, when the bolt end part is twisted by a certain angle, the composite connector between the bolt end part and the wire end part releases the relation of magnetism and electric connection, and the looseness of the bolt to be tested can be detected by detecting the electric connection state between the bolt end part and the wire end part.
Description
Technical Field
The utility model relates to a bolt looseness detection device especially indicates one kind and awaits measuring the bolt between establish magnetism, the double entry linkage of electrical property to the accessible judges the device that the electric connection state is not hard up in order to detect the bolt.
Background
For example, due to vibration of an engine or environmental influence, loosening of bolts or screws often occurs, and if the loosening condition of the bolts or screws occurs in important parts, great potential safety hazards are caused.
In order to effectively master whether bolts or screws at important parts are loosened, detection must be carried out in a planned way, the simplest way adopts a manual detection way, but the manual detection way has many uncertain factors, such as severe working environment of a lot of equipment, difficult manual operation, large quantity of bolts or screws of the whole set of equipment, time and labor consumption of manual detection, and influence on normal operation of the equipment.
Because of the uncertainty and disadvantages of the manual detection method, the automatic and group detection is a necessary trend, and how to achieve the purpose of the automatic and group detection is a feasible technical solution to be further sought.
SUMMERY OF THE UTILITY MODEL
Therefore the utility model discloses the main objective is providing a bolt looseness detection device, can be used to support the automated inspection of a large amount of bolts or screws, and easy to assemble, detect reliably.
In order to achieve the above object, the technical means adopted is to provide a bolt looseness detecting device comprising:
The bolt end part is provided with a combination part, the combination part is respectively provided with a first composite connector at two opposite positions, the two first composite connectors comprise a first magnet and a first electric connecting terminal, and the two first electric connecting terminals are electrically connected with each other;
A terminal member having a connecting wire with a core wire therein, said connecting wire having a second composite connector at least one end, said second composite connector comprising a second magnet and a second electrical connection terminal, said second electrical connection terminal being electrically connected to said core wire.
The bolt end part is combined on a bolt to be detected through the combination part of the bolt end part, the two end parts and the first composite connector of the bolt end part form magnetic and electric connection through the second composite connector of the two end parts, when the bolt to be detected is loosened, the bolt end part is driven to be twisted, the first composite connector of the bolt end part and the second composite connector of the wire end part are forced to be separated when the bolt to be detected is twisted beyond a certain angle, and at the moment, the magnetic and electric connection between the first composite connector and the second composite connector are released, so that the looseness of the bolt to be detected can be detected, and the bolt to be detected has the advantages of automatic detection, high reliability and the like.
Wherein: the joint part of the bolt end part is a round cover body and is provided with a sleeve groove penetrating through the bottom; the first composite connectors are respectively arranged on two opposite outer side walls of the combining part, a circular shallow concave cavity is formed on the outer side wall of the combining part of the first composite connector, and a circular platform protruding outwards is formed on the inner surface of the shallow concave cavity; first magnet is circular form, and establishes on the platform, the axle center department of first magnet is formed with a perforation, be equipped with in the perforation first electric connection terminal.
Wherein: the first electric connecting terminal is composed of a spring type terminal, and the outer end of the spring type terminal protrudes out of the surface of the first magnet.
Wherein: the top surface in the sleeve groove of the combining part is further provided with an elastic backstop gasket.
Wherein: the inner side slot wall of the sleeve groove of the combining part is provided with screw threads.
Wherein: the second composite connector of the wire end part is provided with a short cylindrical body, the end face of the body is provided with a waterproof ring, and the outer diameter and the inner diameter of the waterproof ring are respectively matched with the inner diameter of the shallow recess of the first composite connector and the outer diameter of the platform; the second magnet and the second electric connection terminal of the second composite connector are arranged on the end face of the body and located between the waterproof rings.
Wherein: the second magnet is in a disc shape, a through hole is formed in the center of the second magnet, and the second electric connection terminal is exposed among the through holes.
Wherein: and two ends of the wire end part are respectively provided with a second composite connector.
the present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Drawings
Fig. 1 is the appearance of the bolt looseness detecting device of the present invention.
Fig. 2 is a schematic view of a using state of the bolt looseness detecting device of the present invention.
Fig. 3 is the utility model discloses a bolt looseness detection device exploded view.
Fig. 4 is the bolt looseness detection device of the present invention.
Fig. 5 is a plan view of the bolt looseness detecting device of the present invention.
Fig. 6 is the action schematic diagram of the bolt looseness detecting device of the present invention.
Fig. 7 is a schematic view of another usage state of the bolt loosening detection device of the present invention.
Fig. 8 is a schematic view of the bolt looseness detection system of the present invention.
Detailed Description
The technical means adopted by the present invention to achieve the predetermined object will be further described below with reference to the drawings and the preferred embodiments of the present invention.
a preferred embodiment of the present invention relates to a bolt looseness detecting device, which is shown in fig. 1, 2 and 3 and includes a bolt end part 10 and two line end parts 20; wherein
The bolt end 10 includes a connecting portion 100 for connecting to a bolt 30 or a screw to be tested, and for convenience of description and understanding, it should be noted that: it is not meant to limit the utility model to only apply the loosening detection of the bolt.
In order to realize that the joint 100 can be combined with a bolt or a screw, and it may be in a ring shape or a dome shape, in this embodiment, the joint 100 is a dome body, and a sleeve groove 101 penetrating through the bottom is formed to cover the end of the bolt 30 to be tested and is fixed thereon in a tight fit or a screw thread manner, in this embodiment, a thread is formed on an inner groove wall of the sleeve groove 101, that is, the joint 100 of the bolt end part 10 is combined with the end of the bolt 30 to be tested in a screw thread manner, and when the bolt to be tested is supposed to rotate, the joint 100 will also rotate. The top surface of the sleeve groove 101 is further provided with an elastic retaining gasket 102 to ensure that the joint 100 can be screwed on the bolt to be tested, and the retaining gasket 102 is in a shape of a circular disc matched with the shape of the sleeve groove 101, and a through hole is formed in the center of the retaining gasket.
The combination part 100 is provided with a first composite connector 11 on two opposite outer side walls respectively, the first composite connector 11 is provided with a first magnet 12 and a first electric connecting terminal 13, and the two first electric connecting terminals 13 are electrically connected with each other; in this embodiment, the first composite connector 11 has a circular shallow cavity 14 formed on the outer side wall of the combining portion 100, a circular platform 15 protruding outward is formed on the inner surface of the shallow cavity 14, the platform 15 is coaxial with the circular shallow cavity 14, the first magnet 12 is circular and is disposed on the platform 15, a through hole is formed at the axial center of the first magnet 12, and the first electrical connection terminal 13 is disposed in the through hole, in this embodiment, the first electrical connection terminal 13 is formed by a spring type terminal, and the outer end of the first electrical connection terminal protrudes out of the surface of the first magnet 12 and can elastically stretch and contract.
The bolt end 10 is magnetically (magnetically) and electrically connected to the first composite connectors 11 and the two end members 20 at the joint 100.
The terminal part 20 has a connection wire 21 containing a core wire, the connection wire 21 is provided with a second composite connector 22 at least one end, the second composite connector 22 comprises a second magnet 23 and a second electric connection terminal 24, and the second electric connection terminal 24 is electrically connected with the core wire; wherein the second magnet 23 is used for being attracted with the first magnet 12 of the first composite connector 11, and the second electrical connection terminal 24 is used for being electrically connected with the first electrical connection terminal 13 of the first composite connector 11; in this embodiment, the second composite connector 22 has a short cylindrical body 220, the end face of the body 220 is provided with a waterproof ring 25, the outer diameter and the inner diameter of the waterproof ring 25 are respectively matched with the inner diameter of the shallow cavity 14 of the first composite connector 11 and the outer diameter of the platform 15 (see fig. 4), when the second composite connector 22 is engaged with the first composite connector 11, the waterproof ring 25 is suitably located between the shallow cavity 14 and the platform 15, and has a waterproof function.
The second magnet 23 and the second electrical connection terminal 24 of the second composite connector 22 are disposed on the end face of the body 220 and between the waterproof rings 25, in this embodiment, the second magnet 23 and the first magnet 12 are in the same disc shape and correspondingly attracted to each other, a through hole is formed in the center of the second magnet 23, the second electrical connection terminal 24 is exposed between the through holes, and when the second magnet 23 and the first magnet 12 are attracted to each other, the first electrical connection terminal 13 is electrically contacted with the second electrical connection terminal 24 to be conducted.
Referring to fig. 5, in terms of electrical connection, when the bolt end piece 10 and the two end piece 20 are connected, the left end piece 20 is connected to the first composite connector 11 adjacent to the bolt end piece 10 through the second composite connector 22, and at this time, the second composite connector 22 is electrically connected to the first electrical connection terminal 13 of the first composite connector 11 except that the second magnet 23 and the first magnet 12 of the first composite connector 11 attract each other, and the second electrical connection terminal 24 is also electrically connected to the first electrical connection terminal 13 of the first composite connector 11, so that the second electrical connection terminal 24 of the second composite connector 22 of the right end piece 20 is electrically connected to the first electrical connection terminal 13 of the left end piece 20 through the first electrical connection terminal 13 of the bolt end piece 10, once the bolt end piece 10 is disengaged from any of the connected wire end pieces 20, the electrical connection is also released.
The utility model discloses whether utilize foretell characteristic to detect the bolt that awaits measuring promptly and become flexible, work as bolt end part 10 combines on the bolt 30 that awaits measuring of a screw-thread state, and constitutes magnetism, electric connection with two end part 20 simultaneously, makes two end part 20 straighten again and be and prop the state of opening. When the bolt 30 to be tested is in the unrelaxed screwed state, the bolt end part 10 on the bolt is not twisted, so that the magnetic attraction and electrical connection relationship between the two end parts 20 can be maintained. However, if the bolt 30 to be tested is loosened, the bolt end part 10 will rotate, as shown in fig. 6, when the bolt 30 to be tested rotates beyond a certain angle, the magnetic attraction between the bolt end part 10 and the two end parts 20 on the bolt end part will be broken and separated, in this situation, the first electrical connection terminal 13 and the second electrical connection terminal 24 on the first composite connector 11 and the second composite connector 22 will be disconnected, and by detecting the electrical connection state of the first electrical connection terminal 13 and the second electrical connection terminal 24, it can be automatically detected whether the bolt 30 to be tested is loosened.
referring to fig. 7, in another preferred embodiment, the end portion 20 is provided with a second composite connector 22 at two ends of the connecting line 21, in which case, the end portion 20 can be connected with the first composite connector 11 at the corresponding side of the two adjacent bolt end portions 10 by the second composite connectors 22 at two ends of the connecting line 21, so that a plurality of bolt end portions 10 respectively combined with the bolt 30 to be tested can be connected in series to form a loop, as shown in fig. 8, when an alarm device 40 is further added to the loop, a bolt loosening detection system can be formed.
Specifically, the alarm device 40 is used to detect whether the electrical connection status of the loop is normal, and once the open circuit status occurs, an alarm message is generated to notify the maintenance personnel. In order to facilitate the alarm device 40 to add to the loop, the alarm device 40 may be provided with two electrical connectors 41, 42 matching with the second composite connector 22, and the two electrical connectors 41, 42 are respectively connected to the two second composite connectors 22 in the loop, so that the alarm device 40 is electrically connected to the second electrical connection terminals 24 of the two second composite connectors 22 through the two electrical connectors 41, 42, thereby detecting whether the loop maintains the electrical connection state, and generating an alarm message when the electrical connection is detected to be interrupted.
Because the electric connection interruption represents that more than one bolt to be tested is obviously loosened on the loop, the bolt end part 10 on the loop is separated from the connected wire end part 20, and a maintenance worker can easily judge the loosened bolt to be tested by judging whether the bolt end part 10 is separated from the wire end part 20 after arriving at the site.
The bolt looseness detection system can realize automatic and grouped detection, and maintenance personnel can determine the number of bolt end parts forming a loop according to the situation so as to take efficiency and cost into consideration.
The foregoing is illustrative of the preferred embodiments of the present invention and is not to be construed as limiting thereof, although the invention is disclosed in the preferred embodiments, it is not to be construed as limited thereby. Of course, the present invention can also have other embodiments, and any person skilled in the art can make some changes or modifications to the equivalent embodiments by using the technical content disclosed above without departing from the spirit and the scope of the present invention, but any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention and the protection of the claims.
Claims (8)
1. the utility model provides a bolt looseness detection device which characterized in that contains:
The bolt end part is provided with a combination part, the combination part is respectively provided with a first composite connector at two opposite positions, the two first composite connectors respectively comprise a first magnet and a first electric connecting terminal, and the two first electric connecting terminals are electrically connected with each other;
A terminal member having a connecting wire with a core wire therein, said connecting wire having a second composite connector at least one end, said second composite connector comprising a second magnet and a second electrical connection terminal, said second electrical connection terminal being electrically connected to said core wire.
2. The bolt looseness detecting device according to claim 1, wherein: the joint part of the bolt end part is a round cover body and is provided with a sleeve groove penetrating through the bottom;
The first composite connectors are respectively arranged on two opposite outer side walls of the combining part, a circular shallow concave cavity is formed on the outer side wall of the combining part of the first composite connector, and a circular platform protruding outwards is formed on the inner surface of the shallow concave cavity; first magnet is circular form, and establishes on the platform, the axle center department of first magnet is formed with a perforation, be equipped with in the perforation first electric connection terminal.
3. The bolt looseness detecting device according to claim 2, wherein: the first electric connecting terminal is composed of a spring type terminal, and the outer end of the spring type terminal protrudes out of the surface of the first magnet.
4. The bolt looseness detecting device according to claim 2, wherein: the top surface in the sleeve groove of the combining part is further provided with an elastic backstop gasket.
5. the bolt looseness detecting device according to claim 2, wherein: the inner side slot wall of the sleeve groove of the combining part is provided with screw threads.
6. The bolt looseness detecting device according to claim 2, wherein: the second composite connector of the wire end part is provided with a short cylindrical body, the end face of the body is provided with a waterproof ring, and the outer diameter and the inner diameter of the waterproof ring are respectively matched with the inner diameter of the shallow recess of the first composite connector and the outer diameter of the platform;
The second magnet and the second electric connection terminal of the second composite connector are arranged on the end face of the body and located between the waterproof rings.
7. The bolt looseness detection device according to claim 6, wherein: the second magnet is in a disc shape, a through hole is formed in the center of the second magnet, and the second electric connection terminal is exposed among the through holes.
8. The bolt looseness detection device according to any one of claims 1 to 7, wherein: and two ends of the wire end part are respectively provided with a second composite connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920605982.5U CN209783882U (en) | 2019-04-29 | 2019-04-29 | bolt looseness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920605982.5U CN209783882U (en) | 2019-04-29 | 2019-04-29 | bolt looseness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209783882U true CN209783882U (en) | 2019-12-13 |
Family
ID=68804515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920605982.5U Active CN209783882U (en) | 2019-04-29 | 2019-04-29 | bolt looseness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209783882U (en) |
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2019
- 2019-04-29 CN CN201920605982.5U patent/CN209783882U/en active Active
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