CN217277313U

CN217277313U - Portable load release flexible trigger auxiliary device for Leeb hardness tester

Info

Publication number: CN217277313U
Application number: CN202123026266.8U
Authority: CN
Inventors: 谢航云
Original assignee: Guoneng Boiler And Pressure Vessel Inspection Co ltd
Current assignee: Guoneng Boiler And Pressure Vessel Inspection Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-08-23
Anticipated expiration: 2032-06-06

Abstract

The utility model provides a portable Richter scale hardness tester load release flexible trigger auxiliary device, which comprises a main body part and an operating device; the main body part comprises a clamping ring, a fastening part and a bending part; the operating device comprises an operating button, a connecting wire and a connecting end, and a trigger is arranged in the connecting end; the bending part comprises a longitudinal part and a transverse part, a connecting hole for connecting the operating device is formed in the transverse part, and the position of the connecting hole can ensure that a touch actuator at the connecting end of the operating device can effectively trigger a load release button of the hardness tester; the main body part is arranged at the upper end of the hardometer loading sleeve, the connecting hole is connected with the connecting end of the operating device, and the portable Leeb hardness tester can perform test work by pressing the operating button and pressing the touch load release button by the touch device. The utility model provides an auxiliary device can change the mode of touching that touches load release button to rocking of sclerometer when avoiding the test, the accuracy and the reliability of reinforcing test improve work efficiency.

Description

Portable load release flexible trigger auxiliary device for Leeb hardness tester

Technical Field

The utility model relates to a trigger device especially relates to a flexible auxiliary device that triggers of portable richter's sclerometer load release.

Background

At present, the portable Richter hardness tester for testing the hardness of metal parts is widely applied to various occasions such as laboratories, equipment processing workshops and large-scale equipment installation sites due to small volume, light weight, convenient operation and carrying and good measurement stability, and mainly comprises a support ring, a host, a guide pipe, a loading sleeve, a load release button and the like from bottom to top. The portable Richter durometer, the diameter of the loading sleeve is about 16mm, the diameter of the trigger button is about 10mm, and the portable Richter durometer is slightly larger than a pen and is commonly called as a 'pen test' durometer by users.

When the hardness of the metal part is tested, the support ring of the hardness tester is placed on the test part, one hand supports two sides of the hardness tester main body to keep the hardness tester main body stable on the test part, and the other hand loads a test load and triggers a test load release button, so that the test can be completed.

When the portable Richter scale sclerometer is used for testing a large plane of a large workpiece, the sclerometer is easy to place stably, the sclerometer cannot shake generally when the finger directly presses the load release button during testing, and the repeatability, the stability and the accuracy of measurement of test data can be ensured. However, in the case of a component of a relatively small size, particularly in the case of a hardness test of a circumferential surface like a shaft, even if the shaft is stably seated, since the contact surface between the support ring of the hardness tester and the circumferential surface of the shaft is relatively small, the placement and the stability are not easy to be supported by a hand, and if the load release button is touched by the other hand, the shaft is likely to shake. At the moment when the test load is released for testing, the hardness tester shakes to greatly influence the test result, the reliability and the measurement accuracy of the test data are poor, and the test working efficiency is low. Sometimes, to ensure the test result is reliable, an experienced operator needs to perform multiple tests and determine the test result after screening effective data according to experience, so that the test result is greatly influenced by human factors.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a flexible auxiliary device that triggers of portable richter sclerometer load release, the mountable is peripheral in the upper end of the loading cover of portable richter sclerometer, and the mode of touching load release button through the change avoids rocking of sclerometer when testing to the accuracy and the reliability of reinforcing test improve work efficiency.

A portable Richter scale load release flexible trigger assist device is characterized by comprising a main body part and an operating device; the main body part comprises a clamping ring, a fastening part and a bending part; the operating device comprises an operating button, a connecting wire and a connecting end, and a touch actuator is arranged in the connecting end.

Preferably, the height of the clamping ring is 15 mm-20 mm, and the fastening part is positioned at the opening of the clamping ring.

Preferably, the fastening part comprises connecting plates which are positioned at the opening of the snap ring and are symmetrical with each other, and each connecting plate is perpendicular to the tangent plane at the opening of the cylindrical surface of the snap ring.

Preferably, a round hole with a matched position is formed in the central part of each connecting plate, so that the clamping ring is fastened to the upper end of a loading sleeve of the hardness tester through a screw. The screw can pass through two round holes, and two connecting plates are clamped tightly through the nut, so that the clamping ring is tightly fixed.

Preferably, the center of one connecting plate is provided with a threaded hole, and the center of the other connecting plate is provided with a round hole larger than the threaded hole. Therefore, the clamping ring can be fastened only by screws without nuts. The screw penetrates through the round holes on the two connecting plates to fix the snap ring on the periphery of the upper end of the loading sleeve of the portable Richter hardness tester.

Preferably, the inner diameter of the snap ring is matched with the outer diameter of the loading sleeve of the portable Richter hardness tester, the inner diameter of the snap ring can be equal to or slightly larger than the outer diameter of the loading sleeve of the portable Richter hardness tester, and when the inner diameter of the snap ring is slightly larger than the outer diameter of the loading sleeve of the portable Richter hardness tester, the rubber gasket arranged in the snap ring can make up the outer diameter of the loading sleeve, so that the snap ring is tightly sleeved on the periphery of the upper end of the loading sleeve.

Preferably, in order to prevent the hardness tester loading sleeve from being damaged due to the installation of the snap ring, a rubber pad with proper thickness is arranged on the inner side of the snap ring, and the thickness of the rubber pad is preferably 0.2 mm-1 mm. The anti-skid protrusions are arranged on the inner annular wall, in contact with the portable Leeb hardness tester loading sleeve, of the rubber pad and can be diamond-shaped protrusions, triangular protrusions or dot protrusions, and the snap ring can be tightly fixed to the corresponding position and cannot be separated from the corresponding position.

Preferably, the bending part comprises a longitudinal part and a transverse part, the longitudinal part extends upwards from the cylindrical surface of the clamping ring and is perpendicular to the upper end surface and the lower end surface of the clamping ring; the transverse part is provided with a connecting hole connected with the operating device, and the connecting hole is matched with the connecting end of the operating device.

Preferably, the transverse part is parallel to the upper end surface and the lower end surface of the clamping ring, and an included angle formed by the longitudinal part and the transverse part is 90 degrees. The clamping ring, the longitudinal part and the transverse part are made of proper materials and have proper hardness, the included angle is kept unchanged in long-term use, and the transverse part is always kept parallel to the upper end face of the load release button of the portable Richter hardness tester.

Preferably, the width of the bent portion is 8mm to 12mm, and preferably 10 mm. The height of its vertical portion is 5 ~ 8mm, and the length of horizontal portion slightly is lighter than the snap ring external diameter, and its length is for 15mm ~ 18mm slightly to be lighter than the external diameter of snap ring and prefers.

Preferably, the snap ring is installed on the periphery of the upper end of the loading sleeve of the portable Richter hardness tester, the distance between the transverse part and the load release button of the portable Richter hardness tester is 1 mm-3 mm, the connecting hole is positioned on the load release button of the portable Richter hardness tester, the central axis of the connecting hole, the central axis of the snap ring and the central axis of the load release button of the hardness tester are overlapped, or the position of the connecting hole can ensure that the trigger at the connecting end of the operating device can effectively trigger the load release button of the hardness tester.

Preferably, the connecting end of the operating device is connected into the connecting hole, the distance between the touch device of the connecting end and the load release button of the hardness tester is 0.5-3 mm, the length of the connecting wire is 40-60 cm, the operation button is pressed, and the touch device of the connecting end can press and touch the load release button.

Preferably, the main body of the utility model is made of austenitic steel, carbon steel or other materials with appropriate strength and convenient manufacture.

Preferably, the main body part is manufactured by manual cutting and bending or batch manufacturing by stamping or casting by using a die, and can be integrally formed.

Operating means's function is similar camera machinery shutter release, can self-control have the simple and easy operating means of the same function with camera machinery shutter release, self-control satisfying the utility model discloses a functional requirement. When the operating button is pressed, the trigger extends out to trigger the load release button, and the portable Richter scale can be used for testing. Or a mechanical shutter release of a camera is used as an operating device, in which case it is not necessary to make it separately.

Preferably, the fastening portion may be fixed not only by a screw and a threaded hole but also by a screw nut or by another means. The fastening part comprises a lock cover, an annular lock catch and a lock hook, the lock cover is hinged with one open end of the clamp ring, the lock hook is fixed at the other open end of the clamp ring, one end of the annular lock catch is hinged below the inner side of the lock cover, and the other end of the annular lock catch can be clamped into the lock hook.

Drawings

FIG. 1 is a front and side view of a main body portion of a portable Richter hardness tester load release flexible trigger assist device,

FIG. 2 is a front view of an operating device of a portable Leeb hardness tester load release flexible trigger assist device.

Wherein, 1-snap ring; 2-bending part; 3-a fastening site; 4-round hole/threaded hole; 5-a longitudinal portion; 6-a transverse portion; 7-connecting hole; 8-connecting plates; 11-a connection end; 12-a connecting line; 13-an operating button; 14-a trigger.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the invention; for a better understanding of the present embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; for those skilled in the art, some well-known structures in the drawings and descriptions thereof may be omitted; the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "length", "width", "radial", "lateral", "longitudinal", "horizontal", "parallel", and the like are used to indicate orientations or positional relationships based on those shown in the drawings, merely to facilitate description of the present invention and to simplify description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present application, the terms "mounted," "connected," and "secured" are to be construed broadly unless otherwise specifically indicated and limited. For example, the connection can be fixed, detachable or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; the term "connected" refers to a direct connection, or an indirect connection through media, or a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present disclosure according to specific situations by those skilled in the art.

For the introduction of terms:

the portable Leeb hardness tester is a commonly used test instrument for testing the Leeb hardness of metal parts, has small volume and weight, is convenient to operate and carry, and can automatically convert and display test values such as the Leeb hardness, the Vickers hardness, the Rockwell hardness, the Brinell hardness and the like; seen from the outer surface, the device comprises a support ring, a host (including a printer), a guide pipe, a loading sleeve and a load release button; the test device is generally composed of a host (including a printer) and a test device, or the printer and the test device (the host is embedded in the test device in a modular manner), which is hereinafter referred to as a "hardness tester". The type of host modular implant test device is currently more common.

Load release triggers auxiliary device, when testing metal parts's hardness with portable richter scale, changed the mode that directly accomplishes the test with finger press load release button, but the trigger that makes operating means link with the button that presses operating means touches load release button and accomplishes the test, does the utility model discloses an object, hereinafter be referred to as "auxiliary device".

Load release button-on the upper end of the portable Leeb hardness tester, which can be triggered to release the test load when pressed.

In embodiment 1, the fastening part is fixed on the periphery of the upper end of the loading sleeve of the portable richter hardness tester through a screw, a nut and a round hole/threaded hole, and a self-made simple operating device is adopted.

As shown in fig. 1, a portable richter scale load release flexible trigger assist device is characterized by comprising a main body portion and an operating device; the main body part comprises a clamping ring 1, a fastening part 3 and a bending part 2; as shown in fig. 2, the operating device includes an operating button 13, a connecting wire 12, and a connecting end 11, and a trigger 14 is provided in the connecting end 11.

The height of the snap ring 1 is 15 mm-20 mm, and the fastening part 3 is positioned at the opening of the snap ring 1.

The fastening part 3 comprises connecting plates 8 which are positioned at the opening of the snap ring and are symmetrical with each other, the height of each connecting plate 8 can be less than or equal to that of the snap ring 1, and each connecting plate 8 is connected with the snap ring 1 at the opening and is perpendicular to the tangent plane of the opening of the cylindrical surface of the snap ring 1.

The center of each connecting plate 8 is provided with a round hole 4 with a matched position. The screw can pass through two round holes, and the two connecting plates 8 are clamped tightly through the nut, so that the snap ring 1 is tightly fixed on the periphery of the upper end of the loading sleeve of the portable Richter hardness tester.

Or, the center of the connecting plate 8 on one side is provided with a threaded hole 4, and the center of the connecting plate 8 on the other side is provided with a round hole 4 larger than the threaded hole. Thus, the nut can be conveniently and directly fastened by the screw; the screw passes through the round hole on one side connecting plate 8 and is screwed into the threaded hole 4 of the other side connecting plate 8, and the clamping ring 1 can be fixed on the periphery of the upper end of the loading sleeve of the portable Richter hardness tester.

The inner diameter of the snap ring 1 is matched with the outer diameter of a loading sleeve of the portable Richter hardness tester, and the inner diameter of the snap ring 1 can be equal to or slightly larger than the outer diameter of the loading sleeve of the portable Richter hardness tester.

In order to prevent the hardometer loading sleeve from being damaged due to the installation of the snap ring, a rubber pad with proper thickness is arranged on the inner side of the snap ring in a cushioning mode, and the thickness of the rubber pad is preferably 0.2 mm-1 mm.

When the inner diameter of the snap ring 1 is equal to the outer diameter of the loading sleeve of the portable Richter hardness tester, a rubber pad is arranged on the inner side of the snap ring in a cushioning mode and can be properly adjusted through screws and nuts; when the diameter is slightly larger than the upper end of the loading sleeve, the rubber gasket arranged in the loading sleeve can compensate, and the clamping ring is tightly sleeved on the periphery of the upper end of the loading sleeve.

The rubber pad can be a common latex film or a rubber film, the size of the rubber pad is preferably close to the inner circumference of the clamping ring of the pad, and a gap of 1mm-2mm is reserved at the fastening position; or two pieces approximately half of the circumference are adopted; the rubber pad is along the axial size of sclerometer to the pad is suitable, and the snap ring lower part can expose about 5 mm.

The anti-skid protrusions are arranged on the inner annular wall, in contact with the portable Leeb hardness tester loading sleeve, of the rubber pad and can be diamond-shaped protrusions, triangular protrusions or dot protrusions, and the snap ring can be tightly fixed to the corresponding position and cannot be separated from the corresponding position.

The bending part 2 comprises a longitudinal part 5 and a transverse part 6, the longitudinal part 5 is connected with the clamping ring 1, and the longitudinal part 5 extends upwards from the cylindrical surface of the clamping ring 1 and is perpendicular to the upper end surface and the lower end surface of the clamping ring 1; the transverse part 6 is provided with a connecting hole 7 for connecting the operating device, and the connecting hole 7 is matched with the connecting end 11 of the operating device.

The longitudinal portion 5 forms an angle of 90 degrees with the transverse portion 6. The longitudinal portion and the transverse portion are made of appropriate materials and have appropriate hardness, the included angle is kept unchanged in long-term use, and the transverse portion is always kept parallel to the upper end face of the load release button of the portable Richter hardness tester.

The width of the bending part 2 is 8mm to 12mm, and 10mm is generally preferred. The height of the longitudinal part is 5 mm-8 mm, the length of the transverse part is slightly smaller than the outer diameter of the clamping ring and larger than the radius of the clamping ring, and the length of the transverse part is 15 mm-18 mm and is slightly smaller than the outer diameter of the clamping ring.

The snap ring 1 is arranged at the upper end of a loading sleeve of the portable Richter scale, the distance between the transverse part 6 and a load release button of the portable Richter scale is 1 mm-3 mm, the connecting hole 7 is positioned above the load release button of the portable Richter scale, the central axis of the connecting hole 7, the central axis of the snap ring 1 and the central axis of the load release button of the scale are superposed, or the position of the connecting hole 7 can ensure that an actuator 14 at the connecting end 11 of the operating device can effectively trigger the load release button of the scale.

The connecting end 11 of the operating device is connected into the connecting hole 7, the distance between the trigger 14 of the connecting end 11 and the load release button of the hardness tester is 0.5 mm-3 mm, the length of the connecting wire is 40 mm-60 cm, the trigger 14 of the connecting end 11 can press the load release button by pressing the operating button 13.

That is, the heights or lengths of the snap ring 1, the longitudinal portion 5, and the lateral portion 6, and the positional relationship of the connecting hole 7 are set to ensure that the actuator 14 of the connecting end 11 can effectively trigger the load release button of the portable richter hardness tester by operating the operating button 13 of the operating device.

The main body of the utility model is made of austenitic steel, carbon steel or other materials with proper strength and convenient manufacture.

The fastening screw used in the installation can be selected according to specific conditions, or a common screw or a screw with one end capable of being fastened by a screwdriver or directly twisted by hands is adopted.

When the hardness test operation is carried out on the component, the hardness tester is held by one hand, and the operation button of the operation device is pressed by one hand, so that the situation that the portable Richter hardness tester shakes to influence the test result due to the fact that the load release button of the portable Richter hardness tester is directly pressed can be avoided.

The connecting end 11 of the operating device can be connected with the connecting hole 7 through threads, or can be fixed by an adhesive after being directly inserted into the connecting hole, as long as the fixed connection can be ensured.

This auxiliary device main part can be operated by oneself, also can mechanical die processing, and the concrete size is with sclerometer looks adaptation, and steel can integrated into one piece is tailor to the manual work, and adds that each limit will be ground into smooth edge, and the chamfer will be ground into to some angles, is unlikely to fish tail operating personnel.

Example 2

A mechanical shutter release of a camera is used as an operating device, and a connecting hole on the transverse part is matched with a connecting end of the mechanical shutter release. The rest was the same as in example 1.

Example 3

The fastening portion 3 may also be fixed by other means. The fastening part 3 comprises a lock cover, an annular lock catch and a lock hook, the lock cover is hinged with one open end of the clamping ring, the lock hook is fixed at the other open end of the clamping ring, one end of the annular lock catch is hinged below the inner side of the lock cover, and the other end of the annular lock catch can be clamped into the lock hook. During installation, the lock catch is clamped into the lock hook to realize connection of two open ends of the clamp ring, and then the lock cover is rotated downwards to lock the clamp ring. If the clamping ring is loosened, the locking cover is rotated upwards, one end of the lock catch is upwards rotated along with the locking cover, the other end of the lock catch is scratched out of the lock hook, and the clamping ring is opened.

The operating device adopts a self-made simple type or adopts a mechanical shutter release of a camera, and the connecting hole is matched with the connecting end. The rest is the same as example 1.

To the manufacturer or user using the utility model, the utility model is simple to manufacture, operate and use, and does not need to spend too much energy on it. Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims

1. A portable load release flexible trigger auxiliary device of a Leeb hardness tester comprises a main body part and an operating device, wherein the operating device adopts a camera mechanical shutter release wire, the operating device comprises an operating button, a connecting wire and a connecting end, a trigger is arranged in the connecting end, the main body part comprises a clamping ring, a fastening part and a bending part, and the portable load release flexible trigger auxiliary device is characterized in that the height of the clamping ring is 15-20 mm, and the fastening part is positioned at the opening of the clamping ring;

the fastening part comprises connecting plates which are positioned at the opening of the snap ring and are symmetrical with each other, and each connecting plate is vertical to the tangent plane of the opening of the cylindrical surface of the snap ring; round holes matched in position are formed in the center of each connecting plate, or a screw hole is formed in the center of one connecting plate, and a round hole larger than the screw hole is formed in the center of the other connecting plate;

the bending part comprises a longitudinal part and a transverse part, the longitudinal part is connected with the clamping ring, and the longitudinal part extends upwards from the cylindrical surface of the clamping ring and is perpendicular to the upper end surface and the lower end surface of the clamping ring; the transverse part is provided with a connecting hole connected with the operating device, and the connecting hole is matched with the connecting end of the operating device;

the clamp ring is arranged at the upper end of the loading sleeve of the portable Richter hardness tester, the distance between the transverse part and the upper end face of the load release button of the portable Richter hardness tester is 1-3 mm, the connecting hole is positioned above the load release button of the portable Richter hardness tester, the central axis of the connecting hole, the central axis of the clamp ring and the central axis of the load release button of the hardness tester are superposed, or the position of the connecting hole can ensure that the trigger at the connecting end of the operating device can effectively trigger the load release button of the hardness tester;

the connecting end of the operating device is connected into the connecting hole, the distance between the trigger of the connecting end and the load release button of the hardness tester is 0.5-3 mm, the length of the connecting wire is 40-60 cm, and the trigger of the connecting end can press and touch the load release button by pressing the operating button.

2. The portable Richter scale load release flexible trigger assist device of claim 1, wherein the inside diameter of the snap ring is adapted to the outside diameter of the loading sleeve of the portable Richter scale.

3. The portable Richter scale load release flexible trigger assist device of claim 1, wherein a rubber pad is padded inside the snap ring.

4. The portable Richter scale load release flexible trigger assist device of claim 1, wherein the transverse portion is parallel to the upper and lower end surfaces of the snap ring and the longitudinal portion forms an angle of 90 degrees with the transverse portion.

5. The portable Richter scale load release flexible trigger auxiliary device according to claim 1, characterized in that the width of the bending part is 8 mm-12 mm, the height of the longitudinal part is 5 mm-8 mm, and the length of the transverse part is 15 mm-18 mm.