CN211474627U

CN211474627U - Visual connecting piece of elasticity

Info

Publication number: CN211474627U
Application number: CN201922469831.4U
Authority: CN
Inventors: 刘崇汉; 范浩
Original assignee: Chongqing Guohan Energy Development Co Ltd
Current assignee: Chongqing Guohan Energy Development Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-11
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a visual connecting piece of elasticity, including screw, spring washer and plain washer, the cover is established around the plain washer of spring washer on the screw, has plated the AIE material on the plain washer. The utility model discloses installing the processing to the apparatus, can carrying out judgement directly perceived to the locking degree, and then improved work efficiency, reduced the processing cost.

Description

Visual connecting piece of elasticity

Technical Field

The utility model relates to a mechanical installation technical field especially relates to a visual connecting piece of elasticity.

Background

Connectors are generally mechanical connectors that are used to connect flexible or rigid pipes. The mechanical connecting parts include rivet, common bolt, high strength bolt, welding rod, pivot and various nails, and the material for making the mechanical connecting parts is mainly metal material including copper, iron, steel, aluminum, alloy, chromium, etc. Currently, in the construction of equipment including automotive, medical, civil, etc., the mechanical connectors are often bolts or combination screws.

When the equipment device is installed or manufactured, that is, in the process of installing the connecting pieces such as bolts and screws, the working personnel often cannot judge whether the connecting pieces are locked and fastened or the torsion is too large because of the problems of the installation angle, the equipment state and the like, so that the object connection is loosened or the screws are twisted off, the working efficiency is seriously affected, and the processing cost is increased.

In view of the foregoing, there is a need in the art for an apparatus that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a visual connecting piece of elasticity, installing the apparatus man-hour, can carry out the judgement directly perceived to the locking degree, and then improved work efficiency, reduced the processing cost.

The utility model provides a technical scheme that its technical problem adopted is: the visual connecting piece of elasticity, a visual connecting piece of elasticity, includes screw, spring washer and plain washer, and the cover is established on the screw around spring washer and the plain washer in proper order, is equipped with the AIE material layer on the plain washer.

The utility model provides a technical principle that its technical problem adopted is: the screw comprises a screw head and a stud, the screw head is fixedly connected with the stud, the screw head is of a cylindrical structure, the surface of the side surface of the screw head is evenly divided into six surfaces, namely a hexagonal head, so that the screw head is convenient to bear force during installation, and the stud is of a cylindrical structure; the spring washer is of a flat annular structure, is clamped between the screw head and the stud and is used for loosening the screw when the screw is connected; the flat washer is a flat circular ring structure and is used for preventing the nut or a connected piece from causing abrasion to the surface of the connected piece when the screw is installed; the flat washer is coated with AIE material of divinyl anthracene PAIE compound, which can emit light with color recognizable by naked eyes, and the change of light color is obvious before and after being stressed, for example, from green light to red light, the generation of the piezoluminescence discoloration phenomenon is caused by the change of crystalline state to amorphous state aggregation state structure, i.e. a conformation structure which is more twisted than free molecules is presented in a single crystal structure, and the aggregation state structure change is accompanied with the planarization of molecular conformation and the red shift of light emission spectrum under the action of external force. In the installation process of the connecting piece and the connected piece, the flat gasket is extruded and pushed by the screw, and the color of the surface of the flat gasket can be changed, so that a worker can judge the fastening condition of the screw by observing the color on the flat gasket in the screwing, detecting and maintaining processes of the screw.

The beneficial effects of the utility model reside in that:

1. the utility model has simple structure, simple operation and strong practicability;

2. the utility model enhances the structural strength of the connecting piece when in use and prolongs the service life through the matching use of the spring washer and the flat washer;

3. the utility model discloses a plate the AIE material on flat washer, and then make the screw can take place the colour change when screwing up, detecting and maintaining the atress, then, this colour of staff's accessible changes and judges whether screw up or torsion is too big for the connecting piece, thereby has improved work efficiency, has reduced the processing cost to each equipment on the industrial line.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

fig. 1 is a schematic structural view of a tightness-visualized connecting member of the present invention;

in the figure: 1. a screw; 2. a spring washer; 3. a flat washer; 4. and a nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In embodiment 1, as shown in fig. 1, a visual tightness connecting piece comprises a screw 1, a spring washer 2 and a flat washer 3, wherein the spring washer 2 and the flat washer 3 are sequentially sleeved on the screw 1 from front to back, and an AIE material layer is arranged on the flat washer 3.

The screw 1 comprises a screw head and a stud, the screw head is fixedly connected with the stud, the screw head is of a cylindrical structure, the surface of the side surface of the screw head is evenly divided into six surfaces, namely a hexagonal head, so that the screw head is convenient to bear force during installation, and the stud is of a cylindrical structure; the spring washer 2 is of a flat annular structure, is clamped between the screw head and the stud and is used for loosening the screw 1 when the screw 1 is connected; the flat washer 3 is a flat circular ring structure and is used for preventing the nut 4 or a connected piece from causing abrasion to the surface of the connected piece when the screw 1 is installed; the AIE material plated on the flat gasket 3 is a divinyl anthracene PAIE compound, the compound can emit light with colors which can be identified by naked eyes, the change of the light emitting colors of the compound is obvious before and after the compound is stressed, for example, from green light to red light, the flat gasket 3 is extruded and pushed by the screw 1 in the installation process of the connecting piece and the connected piece, and the color of the surface of the flat gasket 3 can be changed, so that a worker can judge the fastening condition of the screw 1 by observing the color on the flat gasket 3 in the processes of screwing, detecting and maintaining the screw 1.

Further, a nut 4 is included, and the nut 4 is inserted into the screw 1. In the connection installation to being connected the connecting piece, can use 4 cooperation screws of nut 1 to carry out the elasticity judgement, the double-screw bolt of screw 1 alternates behind the junction by the connecting piece promptly, from being connected the one side with nut 4 access to the double-screw bolt by the connecting piece on, and then realize being connected by the locking of connecting piece, accomplish the connection then, at this in-process, the user accessible is observed the color change condition of the plain washer 3 of access in-process to this judgement is connected the elasticity degree at both ends by the connecting piece.

Further, the nut 4 is provided with an AIE material layer. The AIE material arranged on the nut 4 is divinyl anthracene PAIE compound which can emit light with colors recognizable by naked eyes, the change of the light-emitting colors before and after being stressed is obvious,

for example, from green light to red light, in the installation process of the connecting piece and the connected piece, the nut 4 is extruded and pushed by the screw 1, and the like, so that the surface color of the nut can be changed, and a worker can judge the fastening condition of the screw 1 by observing the color on the flat washer 3 in the processes of screwing, detecting and maintaining the screw 1. In this embodiment, the manner of providing the AIE material on the nut 4 and the flat washer 3 is electroplating. In addition, the nut 4 can be used as a fixing part of a connecting piece such as a rivet, a bolt, a high-strength bolt and the like independently, and when the nut is used independently, a user can also directly identify the tightness degree by naked eyes.

Further, the spring washer 2 and the flat washer 3 are both circular ring structures, and the diameter of the spring washer 2 is smaller than that of the flat washer 3. Considering that the spring washer 2 is required to be arranged between the flat washer 3 and the screw head when the connecting piece is installed, the flat washer 3 is used for blocking the surface of the screw head from being released from the connecting part so as to prevent the surface from being abraded, the area of the spring washer 2 is larger than that of the flat washer 3, the abrasion of the connecting part can be avoided, and the stressed area can be reduced to relax the connecting part.

Further, the spring washer 2 is a rubber spring washer. The rubber material is NBR (nitrile butadiene rubber), SBR (styrene butadiene rubber), HNBR hydrogenated nitrile butadiene rubber, EPDM ethylene propylene diene monomer rubber, SILICONE silica gel, VITON fluorine rubber, CR neoprene rubber, FFKM (perfluororubber) and the like, the weight is lighter, the stress buffering is stronger, the loose activity is stronger, and the service life of the device is further prolonged.

Claims

1. The visual connecting piece for tightness comprises a screw (1), a spring washer (2) and a flat washer (3), and is characterized in that the spring washer (2) and the flat washer (3) are sequentially sleeved on the screw (1) from front to back, and an AIE material layer is arranged on the flat washer (3).

2. The tightness visualization connection according to claim 1, further comprising a nut (4), wherein the nut (4) is inserted into the screw (1).

3. Connector for tightness visualization according to claim 2, characterized in that the nut (4) is provided with a layer of AIE material.

4. The tightness visualization connection according to claim 1, 2 or 3, characterized in that the spring washer (2) and the flat washer (3) are both circular ring structures, and the diameter of the spring washer (2) is smaller than or equal to the diameter of the flat washer (3).

5. The bungee visual connection of claim 1, 2 or 3, wherein the spring washer (2) is a rubber washer.

6. A tightness visualization connection according to claim 4, characterized in that the spring washer (2) is made of rubber material.