CN217384689U

CN217384689U - Hardness testing device for fastener

Info

Publication number: CN217384689U
Application number: CN202221285677.0U
Authority: CN
Inventors: 王广建; 谢冬冬; 王世卫
Original assignee: Anhui Guangbo Fastener Manufacturing Co ltd
Current assignee: Anhui Guangbo Fastener Manufacturing Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-09-06
Anticipated expiration: 2032-05-25

Abstract

The utility model discloses a hardness testing arrangement for fastener relates to machine part test apparatus technical field. The utility model comprises a hardness testing mechanism and a wearing and using mechanism connected with the center of the rear end of the hardness testing mechanism; the wearing and using mechanism comprises a group of hollow blocks which are symmetrical up and down, a wearing hanging block connected to the middle part of any one hollow block and a wearing elastic band connected to the front surface of the group of wearing hanging blocks; the inner side walls of the group of hollow blocks are in damping connection with one end of the wearing hanging block, and the group of wearing hanging blocks are in a U-shaped structure; also comprises a group of elastic fastening mechanisms connected to the wearing hanging block. The utility model solves the problems that the existing hardness testing device is difficult to use by one hand, reduces the detection efficiency and affects the use effect by arranging the wearing use mechanism and the tightness adjusting mechanism; or the wearing structure is additionally arranged, but when the arm of the human body is small, the self stability is not enough, the applicability is not enough, and the requirement can not be met.

Description

Hardness testing device for fastener

Technical Field

The utility model relates to a technical machinery part test tool field especially relates to a hardness testing arrangement for fastener.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries of energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure and the like, and the hardness testing device belongs to fastener performance testing equipment and is used for detecting the hardness of the fastener.

However, the following disadvantages still exist in the practical use:

1. the existing hardness testing device is difficult to use by one hand, and after two hands are occupied, the subsequent manual operation cannot be carried out, so that the time is consumed, the detection efficiency is reduced, and the use effect is influenced;

2. the existing hardness testing device or the additionally arranged wearing structure causes the insufficient stability of the elastic band when the arm of the human body is small, the applicability is insufficient, and the requirement cannot be met.

Therefore, the hardness testing device for the fastening member in the prior art cannot meet the requirement in practical use, so that an improved technology is urgently needed in the market to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hardness testing device for fasteners, which solves the problems that the existing hardness testing device is difficult to use by one hand, and after both hands are occupied, the subsequent manual operation cannot be carried out by other operations, the consumed time is long, the detection efficiency is reduced, and the use effect is influenced by arranging a wearing use mechanism and a tightness fastening mechanism; or the wearing structure is additionally arranged, but when the arm of the human body is small, the self stability is not enough, the applicability is not enough, and the requirement can not be met.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a hardness testing device for fasteners, which comprises a hardness testing mechanism and a wearing and using mechanism connected to the central position of the rear end of the hardness testing mechanism;

the wearing mechanism comprises a group of hollow blocks which are symmetrical up and down, a wearing hanging block connected to the middle part of any one hollow block and a wearing elastic band connected to the front surface of the wearing hanging block;

the inner side walls of the hollow blocks are in damping connection with one ends of the wearing hanging blocks, and the wearing hanging blocks are of U-shaped structures;

still include, a set of connect in wear the elasticity fastening device on the hanging piece.

Furthermore, the rear parts of two sides of any one of the hollow blocks are connected with a limiting block, the limiting block is connected with a hardness testing mechanism through an upper limiting bolt and a lower limiting bolt, and the front ends of two sides of the limiting bolt are of protruding structures extending outwards;

specifically, the method comprises the following steps: the limiting block is fixed in the hollow block structure under the limiting bolt, the structure is easy to disassemble and assemble due to the threaded connection mode, and the force required by disassembling and assembling of the limiting bolt is easily applied to the protruding structure.

Furthermore, any one of the elastic fastening mechanisms comprises a guide groove arranged in the middle of the front surface of any one of the wearing hanging blocks and a guide block connected in the guide groove in a sliding manner;

the rear part of one side of any one guide block is of a threaded locking bolt structure, and a screw cavity structure is arranged in the guide groove at equal intervals;

specifically, the method comprises the following steps: the guide slot carries out accepting of guide block structure to wearing accepting of elastic cord through a set of guide block, by the slip of guide block in the guide slot, and through the connection between locking bolt and the spiral shell chamber, can fixing the guide block behind the regulation assigned position, in order to wear the secondary elasticity regulation of elastic cord, easily usable.

Furthermore, the end part of the wearing elastic band is provided with a rectangular lug extending outwards, the middle part of the front surface of any one guide block is provided with a rectangular groove structure, and the rectangular lug is connected in the rectangular groove in a clamping manner;

specifically, the method comprises the following steps: the rectangular lug is connected with the rectangular groove body, the guide block is connected with the power distribution elastic band, and the structure is easy to disassemble and assemble due to the clamping connection mode.

Furthermore, the hardness testing mechanism comprises a testing main body, a lead electrically connected to the central position of the upper end of the testing main body and a testing head connected to the front end of the lead;

the middle parts of two sides of the test main body are rectangular block structures extending outwards and being equidistant;

specifically, the method comprises the following steps: the test main body sends and receives data, the lead is connected with the test head and the test main body so as to test the hardness of the fastener through the test head, and the rectangular blocks are used for performing outer anti-collision treatment on two sides of the test main body.

Furthermore, a display screen is embedded and connected at the central position of the upper part of the front surface of the test main body, and buttons are embedded and connected at the lower part of the front surface of the test main body at equal intervals;

one end of the lead extends into a screw hole in the middle of the upper end of the test main body through threads;

specifically, the method comprises the following steps: the display screen displays data and button control instructions in real time, and the screw hole carries out wire structure bearing.

The utility model discloses following beneficial effect has:

1. the utility model discloses an use mechanism is worn in the setting, and is concrete, organizes the adduction of wearing the hanging piece to test main part rear portion, and the stability of testing the main part is connected in the hanging between accessible and the human trouser belt mouth to when no trouser pocket mouth, add the distribution elastic cord and realize human being connected with the test main part, in order to carry out one-hand operation, help the promotion of efficiency of software testing.

2. The utility model discloses a set up elasticity fastening device, it is specific, through wearing elastic cord self elastic force, when carrying out the tight regulation, add the guide block and drive and wear the elastic cord and carry out the shift position regulation for wear the elastic cord and fasten the laminating with human arm, with the steadiness of wearing that promotes between less arm and the test main part, satisfy the user demand.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of the present invention;

fig. 2 is a rear view of the present invention;

FIG. 3 is a structural view of a wearing and using mechanism of the present invention;

fig. 4 is a connection diagram of the hollow block and the tightening and loosening mechanism of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a hardness testing mechanism; 110. testing the subject; 120. a wire; 130. a test head; 140. a display screen; 150. a button; 200. a wearing and using mechanism; 210. a hollow block; 220. wearing a hanging block; 230. wearing an elastic band; 240. a limiting block; 300. a tightening mechanism; 310. a guide groove; 320. a guide block; 330. and a spiral cavity.

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.

Example 1

Referring to fig. 1 to 3, the present embodiment is a hardness testing apparatus for a fastener, including a hardness testing mechanism 100 and a wearing mechanism 200 connected to a central position of a rear end of the hardness testing mechanism 100;

the wearing and using mechanism 200 comprises a group of hollow blocks 210 which are symmetrical up and down, a wearing hanging block 220 connected to the middle part of any one hollow block 210, and a wearing elastic band 230 connected to the front surface of the group of wearing hanging blocks 220;

the inner side walls of the group of hollow blocks 210 are in damping connection with one end of the wearing hanging block 220, and the group of wearing hanging blocks 220 are in a U-shaped structure;

the rear parts of two sides of any one hollow block 210 are connected with a limiting block 240, the limiting block 240 is connected with the hardness testing mechanism 100 through an upper limiting bolt and a lower limiting bolt, and the front ends of two sides of the limiting bolt are of outwards extending convex structures;

the wearing and using mechanism 200 is used, a group of hollow blocks 210 are placed at the upper and lower designated positions at the rear end of the test main body 110, and then the structure is fixed under the limiting blocks 240 and the limiting bolts;

at this time, one wearing hanging block 220 is arranged in one hollow block 210 at the upper part, self-fixing is carried out under the damping force, and when trousers pocket mouths are arranged on the trousers of a human body, the fixing treatment of the test main body 110 can be carried out through wearing between the wearing hanging block 220 and the trousers pocket mouths, so as to realize one-hand operation;

when the trousers of the human body have no trouser pocket, the steps are repeated, the other wearing hanging block 220 is connected, the elastic band 230 worn on one group of wearing hanging blocks 220 is received under the elastic fastening mechanism 300, and the one-hand operation is carried out through the connection of the wearing elastic band 230 and the arms of the human body.

Example 2

As shown in fig. 4, it further comprises a set of tightening mechanisms 300 connected to the wearing hanging block 220;

any one of the tightening mechanisms 300 comprises a guide groove 310 arranged in the middle of the front surface of any one of the wearing hanging blocks 220 and a guide block 320 connected in the guide groove 310 in a sliding manner;

the rear part of one side of any guide block 320 is of a threaded locking bolt structure, and a screw cavity 330 structure is formed in the guide groove 310 at equal intervals;

the end part of the wearing elastic band 230 is provided with a rectangular convex block extending outwards, the middle part of the front surface of any guide block 320 is provided with a rectangular groove body structure, and the rectangular convex block is connected in the rectangular groove body in a clamping way;

after the test main body 110 is connected to the arm of the human body, the elastic fastening mechanism 300 is used to apply an outward moving force to the group of guide blocks 320 according to the use requirement, so that the wearing elastic band 230 is attached to and fastened to the arm of the human body;

at this time, a tightening force is applied to the locking bolt such that the locking bolt threads extend into the screw cavity 330 at a predetermined position.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention, any modification of the technical solutions described in the above embodiments, and equivalent replacement of some technical features, and any modification, equivalent replacement, and improvement made are all within the scope of the present invention.

Claims

1. A hardness testing device for a fastener comprises a hardness testing mechanism (100) and a wearing and using mechanism (200) connected to the central position of the rear end of the hardness testing mechanism (100);

it is characterized in that;

the wearing and using mechanism (200) comprises a group of hollow blocks (210) which are symmetrical up and down, a wearing hanging block (220) connected to the middle part of any one of the hollow blocks (210), and a wearing elastic band (230) connected to the front surface of one group of the wearing hanging blocks (220);

the inner side walls of the hollow blocks (210) are in damping connection with one ends of the wearing hanging blocks (220), and the wearing hanging blocks (220) are of U-shaped structures;

also comprises a group of elastic fastening mechanisms (300) connected to the wearing hanging block (220).

2. The hardness testing device for the fastener according to claim 1, wherein the rear parts of two sides of any one of the hollow blocks (210) are connected with limiting blocks (240), the limiting blocks (240) are connected with the hardness testing mechanism (100) through upper and lower limiting bolts, and the front ends of two sides of each limiting bolt are of protruding structures extending outwards.

3. The hardness testing device for the fastener according to claim 1, wherein any one of the tightening mechanisms (300) comprises a guide groove (310) arranged in the middle of the front surface of any one of the wearing hanging blocks (220), and a guide block (320) connected in the guide groove (310) in a sliding manner;

the rear part of one side of any one guide block (320) is of a threaded locking bolt structure, and a screw cavity (330) structure is formed in the guide groove (310) at equal intervals.

4. The hardness testing device for the fastener according to claim 3, wherein the end of the wearing elastic band (230) is a rectangular protruding block extending outwards, the middle part of the front surface of any one of the guide blocks (320) is of a rectangular groove structure, and the rectangular protruding block is connected in the rectangular groove in a clamping mode.

5. The hardness testing apparatus for a fastener according to claim 1, wherein the hardness testing mechanism (100) comprises a testing body (110), a lead (120) electrically connected to a central position of an upper end of the testing body (110), and a testing head (130) connected to a front end of the lead (120);

the middle parts of two sides of the test main body (110) are rectangular block structures extending outwards at equal intervals.

6. The hardness testing device for the fastener according to claim 5, wherein a display screen (140) is embedded and connected at a central position of the upper part of the front surface of the testing body (110), and buttons (150) are embedded and connected at equal intervals at the lower part of the front surface of the testing body (110);

one end of the lead (120) extends into the screw hole in the middle of the upper end of the test main body (110) in a threaded manner.