CN211697328U - Blank hardness detection device - Google Patents
Blank hardness detection device Download PDFInfo
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- CN211697328U CN211697328U CN202020237239.1U CN202020237239U CN211697328U CN 211697328 U CN211697328 U CN 211697328U CN 202020237239 U CN202020237239 U CN 202020237239U CN 211697328 U CN211697328 U CN 211697328U
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Abstract
The utility model relates to a body hardness detects technical field, concretely relates to body hardness detection device. A blank hardness detection device comprises a device body, wherein the device body comprises a contact part, a connecting part, a metering part and a handle, the contact part is a cone, two ends of the connecting part are respectively connected with the contact part and the metering part, the outer wall of the metering part is provided with scales for indicating hardness values, and the outer wall of the metering part is sleeved with a scale ring; the handle is provided with an inner cavity, one end of the inner cavity is open, the other end of the inner cavity is closed, one end of the metering part is connected with the connecting part, the other end of the inner cavity extends into the inner cavity of the handle, the inner cavity of the handle is provided with a spring, and the spring is positioned between the extending end of the metering part and the closed end of the handle. The utility model is simple in operation, data are accurate, can effectively acquire aerated concrete's hardness before the cutting, provide reliable reference foundation for the assurance of cutting time to finally acquire better cutting effect.
Description
Technical Field
The utility model relates to a body hardness detects technical field, concretely relates to body hardness detection device.
Background
In the production process of an aerated concrete production factory, after the aerated concrete is stood and before the aerated concrete is cut, the hardness of a blank generally has no proper instrument detection method, and generally a manual touch mode is adopted to judge the hardness by depending on hand feeling, so that the hardness cannot be accurately grasped when the aerated concrete is cut, the deviation is large, the cut aerated concrete has the defects of poor surface appearance, irregular texture and the like, the appearance performance of a product is influenced, and the material is easy to crack or even directly crack when being transported and used due to the defect of the difference of the appearance edges.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a body hardness detection device, solve above technical problem.
The utility model provides a technical problem can adopt following technical scheme to realize:
a blank hardness detection device comprises a device body, wherein the device body comprises a handle which is convenient to hold in operation, the device body comprises a contact part, a connecting part and a metering part, two ends of the connecting part are respectively connected with the contact part and the metering part, the outer wall of the metering part is provided with scales for indicating hardness values, and the outer wall of the metering part is sleeved with a scale ring;
the handle is provided with an inner cavity, one end of the inner cavity is opened, the other end of the inner cavity is closed, one end of the metering part is connected with the connecting part, the other end of the inner cavity extends into the inner cavity of the handle, the inner cavity of the handle is provided with a spring, and the spring is positioned between the extending end of the metering part and the closed end of the handle;
the contact portion is a cone.
The utility model discloses a with in the body of contact site screw in aerated concrete, make the inner chamber that continues to stretch into the handle behind the measurement portion oppression spring through reaction force, thereby make the open end of handle push away a locating position with the scale ring, the body hardness that corresponds has been instructed promptly to this position, in with the contact site screw in body during the operation, the cone bottom surface of contact site and the screw in surface parallel of body need be ensured during the screw in, stop the screw in after flushing until the surface of contact site bottom surface and body, the reading at this moment can regard as the measurement standard value of body hardness.
The apex angle of the triangle of the cross section of the cone of the contact portion is set to 50 degrees to 60 degrees, preferably 53 degrees.
The height of the triangle of the section of the cone of the contact part is set to be 35 mm-36.5 mm, and preferably 35.8 mm.
The connecting part is of a cylindrical structure.
The closed end of the handle is closed by a screw cap.
The inner wall of the blind end of the handle is provided with an internal thread, the screw cap is provided with an external thread, and the screw cap is in threaded connection with the blind end of the handle.
The outer wall of handle is equipped with waist type groove, the outer wall of measurement portion is equipped with protruding structure, protruding structure is located and stretches into in the handle inner chamber on the outer wall of measurement portion, the top of protruding structure is located in the waist type groove, thereby make the end of stretching into of measurement portion can't be popped out outside the handle inner chamber by the spring.
The outer wall of the metering part is provided with two protruding structures, the two protruding structures are symmetrically arranged on the outer wall of the metering part and correspond to the protruding structures, and the outer wall of the handle is provided with two symmetrical waist-shaped grooves.
The scale ring adopts an annular structure with elasticity, so that the scale ring can be hooped on the outer wall of the metering part, when the measurement operation is performed, the scale ring can be hooped at the indicating position of the hardness of the blank to be tested at present after being pushed by the opening end of the handle, and when the scale ring needs to be reset after the measurement is finished, the scale ring can be manually reset to the initial position of the scale metering.
The outer wall of the handle is provided with grains convenient for handheld rotary operation.
The connecting portion with the measurement portion adopts detachable connection.
Has the advantages that: due to the adoption of the technical scheme, the utility model is simple in operation, data are accurate, can effectively acquire aerated concrete's hardness before the cutting, provide reliable reference for the assurance of cutting time to finally acquire better cutting effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a partial cross-sectional view of fig. 1.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings. It is noted that the terms "first," "second," "third," "fourth," and the like (if any) in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises" or "comprising," and any variations thereof, are intended to cover non-exclusive inclusions, such that a product or apparatus that comprises a list of elements or units is not necessarily limited to those elements or units expressly listed, but may include other elements or units not expressly listed or inherent to such product or apparatus.
Referring to fig. 1 and 2, the blank hardness detection device comprises a device body, wherein the device body comprises a contact part 1, a connecting part 2, a metering part 3 and a handle 4, the two ends of the connecting part 2 are respectively connected with the contact part 1 and the metering part 3, the outer wall of the metering part 3 is provided with a scale 31 for indicating a hardness value, and the outer wall of the metering part 3 is sleeved with a scale ring 5. The handle 4 has an inner cavity with one end open and the other end closed. One end of the measuring part 3 is connected with the connecting part 2, and the other end extends into the inner cavity of the handle 4. The inner cavity of the handle 4 is provided with a spring 6, and the spring 6 is positioned between the extending end of the metering part 3 and the closed end of the handle 4.
The contact part 1 is arranged as a cone, and the bottom of the cone is connected with the connecting part 2. The section of the contact part 1 is of a triangular structure, the vertex angle of the triangular structure (corresponding to the vertex angle of the cone) is set to be 50-60 degrees, preferably 53 degrees, and the height of the triangular structure is set to be 35-36.5 mm, preferably 35.8 mm. Wherein the height of the triangular structure determines the depth of screwing of the contact portion 1 into the blank. The connecting portion 2 may be provided in a cylindrical structure. In actual operation, the vertex angle and the height of the triangle are determined according to the material characteristics of the blank, and a determined corresponding relation exists according to different corresponding screwing depths of the material and the hardness of the blank made of the material.
The open end of the handle 4 is a circular opening, and the closed end is closed by a screw cap 7. Preferably, the inner wall of the closed end of the handle 4 is provided with internal threads, and the screw cap 7 is provided with external threads, so that the screw cap 7 and the closed end of the handle 4 are in a threaded connection structure. In addition, one end of the spring 6 located in the inner cavity of the handle 4 may be connected to a screw cap 7.
The outer wall of handle 4 is equipped with waist type groove, and the outer wall of measurement portion 3 is equipped with protruding structure 32, and protruding structure 32 is located the outer wall of the measurement portion 3 that stretches into in the handle inner chamber, and the top (the highest terminal surface of protruding end) of protruding structure 32 is located waist type groove to make the end of stretching into of measurement portion 3 can't pop out outside the handle inner chamber by spring 6, that is to say, protruding structure has constituted the limit structure of measurement portion. Preferably, two raised structures 32 may be provided on the outer wall of the metering section 3. The two protruding structures 32 may be symmetrically disposed on the outer wall of the metering portion 3, and corresponding to the protruding structures 32, the outer wall of the handle 4 should also be provided with two symmetrical waist-shaped grooves.
The scale ring 5 may have a resilient annular structure so that it can be tightened against the outer wall of the metering portion 3. During the measurement operation, after being pushed by the opening end of the handle 4, the scale ring 5 can be clamped at the indication position of the hardness of the currently tested blank, and when the scale ring 5 needs to be reset after the measurement is finished, the scale ring can be manually reset to the initial position of the scale metering. For example, the scale ring 5 can be made of spring steel and is sleeved on the outer wall of the metering part 3 in an annular structure. In addition, the scale ring can also be made of plastic.
In addition, the measuring part 3 is provided with a cylindrical structure which is convenient for the scale ring 5 to be sleeved, the diameter of the inner ring of the scale ring 5 when the scale ring is not stressed is set to be smaller than the diameter of the measuring part 3, and the opening diameter of the opening end of the handle 4 is smaller than the diameter of the outer ring of the scale ring 5 and larger than the diameter of the measuring part 3.
The outer wall of the handle 4 can be provided with grains 41 for facilitating manual operation, so that the handle 4 is skid-proof and has better gripping feeling when being operated by hands or rotated.
The connecting part 2 and the measuring part 3 are detachably connected. For example, the end of the measuring part 3 connected to the connecting part 2 is provided with a groove, the inner wall of the groove is provided with an internal thread, and the outer wall of the end of the connecting part 2 connected to the measuring part is provided with an external thread, so that the measuring part 3 and the connecting part 2 are in a threaded connection structure.
The utility model discloses a contradict the contact site on aerated concrete's body, in the inner chamber that continuously stretches into the handle behind the reaction force messenger measurement portion oppression spring to the open end that makes the handle pushes away a definite position with the scale ring, and corresponding body hardness has been instructed promptly to this position.
The utility model discloses the during operation, the contact site inserts behind the body, the resistance that receives forms reaction force, and make the spring in the handle inner chamber receive the extrusion, make measurement portion and scale ring pushed the handle inner chamber in the twinkling of an eye, the sign position that stops that receives the handle open end makes the scale ring stop at certain measured value, leave behind the body when the contact site, the position of measurement portion is by the effect of spring restoring force by rebound initial position, and the scale ring in the measurement portion cramps in the sign position because elastic action, according to the corresponding relation of the scale interval of measurement portion outer wall and body hardness (this corresponding relation can be according to the physics characteristics of aerated concrete record the back impress behind measurement portion outer wall and form the scale) can acquire the hardness of the body of current test, thereby judge whether current body hardness reaches the cutting requirement.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A blank hardness detection device comprises a device body, wherein the device body comprises a handle, and is characterized in that the device body comprises a contact part, a connecting part and a metering part, two ends of the connecting part are respectively connected with the contact part and the metering part, the outer wall of the metering part is provided with scales for indicating hardness values, and the outer wall of the metering part is sleeved with a scale ring;
the handle is provided with an inner cavity, one end of the inner cavity is opened, the other end of the inner cavity is closed, one end of the metering part is connected with the connecting part, the other end of the inner cavity extends into the inner cavity of the handle, the inner cavity of the handle is provided with a spring, and the spring is positioned between the extending end of the metering part and the closed end of the handle;
the contact portion is a cone.
2. The blank hardness detection device according to claim 1, wherein a vertex angle of a triangle of a cross section of the cone of the contact portion is set to be 50 degrees to 60 degrees, and a height of the triangle is set to be 35mm to 36.5 mm.
3. The blank hardness detection device according to claim 1, wherein the connection part is a connection part of a cylindrical structure.
4. The blank hardness detection device according to claim 1, wherein the closed end of the handle is closed by a screw cap.
5. The blank hardness detection device according to claim 4, wherein the inner wall of the closed end of the handle is provided with internal threads, the screw cap is provided with external threads, and the screw cap is in threaded connection with the closed end of the handle.
6. The blank hardness detection device according to any one of claims 1 to 5, wherein an outer wall of the handle is provided with a waist-shaped groove, an outer wall of the metering part is provided with a protruding structure, the protruding structure is positioned on the outer wall of the metering part extending into the inner cavity of the handle, and the top end of the protruding structure is positioned in the waist-shaped groove.
7. The blank hardness detection device according to claim 6, wherein two of the protruding structures are arranged on the outer wall of the measuring portion, the two protruding structures are symmetrically arranged on the outer wall of the measuring portion, and the outer wall of the handle is provided with two of the symmetrical waist-shaped grooves.
8. The blank hardness detection device according to claim 1, wherein the scale ring is of a ring structure with elasticity.
9. The green body hardness detection device according to claim 1, wherein the outer wall of the handle is provided with lines for facilitating hand-held rotation operation.
10. The blank hardness detection device according to claim 1, wherein the connection portion is detachably connected to the measurement portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020237239.1U CN211697328U (en) | 2020-03-02 | 2020-03-02 | Blank hardness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020237239.1U CN211697328U (en) | 2020-03-02 | 2020-03-02 | Blank hardness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211697328U true CN211697328U (en) | 2020-10-16 |
Family
ID=72777482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020237239.1U Active CN211697328U (en) | 2020-03-02 | 2020-03-02 | Blank hardness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211697328U (en) |
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2020
- 2020-03-02 CN CN202020237239.1U patent/CN211697328U/en active Active
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