Special caliper for thickness measurement

Abstract

The utility model discloses a special caliper for thickness measurement, which relates to the technical field of steel pipe measurement, and is characterized in that through the arrangement of a scale, a reference bump, a caliper and a digital display meter, the scale with a standard size is sleeved in a material to be measured, the reference bump is close to the inner wall of the material, a person holds a handle with a single hand, and a thumb pokes a deflector rod; measured data are displayed through the digital display meter, accurate measured values of specific positions can be rapidly read, the purpose of rapidly obtaining the accurate measured values is achieved, large space and other auxiliary measures are not needed, operation can be achieved through one person and one hand, the caliper is more suitable for efficient and rapid operation in the high-temperature environment, the operation time is shortened, and the working efficiency is improved. The working efficiency can be improved, and the working cost and the labor intensity of workers can be reduced; and the arrangement of the hand guard wing plate can form an isolation layer between the hand of the worker and the high-temperature material during measurement, so that the hand injury caused by direct radiation of high temperature to the hand is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe measurement, in particular to a special caliper for thickness measurement. Background Art

[0002] The existing technology can only measure under ideal normal conditions, and other auxiliary means such as mechanical processing and cooling are required to complete accurate measurement. The measurement of precise distance also requires the assistance of other rulers. It is inconvenient for one person to operate, which causes labor and time loss, is not suitable for rapid response, and is very unfavorable for operating efficiency and cost control in high temperature environments. Therefore, a special caliper for thickness measurement is needed. Utility Model Content

[0003] The purpose of this application is to provide a special caliper for thickness measurement to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a special caliper for thickness measurement, comprising a tail handle, two scales distributed up and down are fixed to the front end of the tail handle, a handle is fixed to the outside of one of the scales, a digital display is fixed to the end of the handle away from the tail handle, a caliper is slidably connected to the inside of the digital display, a lever is fixed to the end of the caliper away from the scale, one side of the caliper is slidably abutted against the front end of one of the scales, and a reference bump is fixed to the inner side of the other scale close to the caliper;

[0005] An elastic part is installed in the digital display to drive the caliper to reset.

[0006] Preferably, a receiving hole for the caliper to slide through is provided in the housing of the digital display, and a sliding groove with an opening toward a side of the scale is provided on one side of the receiving hole;

[0007] The elastic member comprises a return spring installed in the slide slot, one end of the return spring is fixed to one side of the caliper through a fixing member, the fixing member is slidably connected to the slide slot, and the other end of the return spring is fixed to the end of the scale through a reinforcing member.

[0008] Preferably, the fixing member comprises a slider, the slider is fixed to one end of the return spring, the slider is slidably connected in the slide groove, and the side wall of the slider adjacent to the return spring is fixed to one side of the caliper.

[0009] Preferably, the reinforcement comprises a heat-resistant abutment block, two heat-resistant abutments are provided and are respectively fixed to one end of the two rulers away from the tail handle, and one end of the heat-resistant abutment block fixed to one end of the ruler is provided with a hole for the caliper to pass through.

[0010] Preferably, an arc-shaped hand guard wing plate is fixed on the side close to the ruler through the circular hole in the middle of the handle for passing the hand, and the hand guard wing plate and the heat-resistant resistance block are both made of heat-resistant steel.

[0011] Preferably, a cold storage chamber for containing cooling water is provided in the handle, an inlet and outlet port communicating with the cold storage chamber is formed at one end of the handle, and a sealing plug is provided in the inlet and outlet port;

[0012] A cooling cavity is arranged in the hand guard wing plate, and the cooling cavity is communicated with the cold storage cavity.

[0013] In summary, the technical effects and advantages of the utility model are:

[0014] 1. In the utility model, through the arrangement of the ruler, the reference protrusion, the caliper and the digital display, the ruler with a standard size is inserted into the material to be measured, and the reference protrusion is close to the inner wall of the material. A person holds the handle with one hand and uses the thumb to turn the lever, thereby driving the caliper to slide in the digital display. The measured data is displayed on the digital display, and the accurate measurement value of the specific position can be quickly read, thereby achieving the purpose of quickly obtaining accurate measurement values. No large space and other auxiliary measures are required. A single person can operate with one hand, which is more suitable for efficient and fast operation in a high temperature environment, shortening the operation time, which can not only improve the operation efficiency, but also reduce the operation cost and labor intensity.

[0015] 2. In the utility model, by setting the heat-resistant abutment block, the end of the ruler of the special thickness measurement caliper can have a higher heat resistance, thereby avoiding the ruler end being easily damaged in a high temperature environment, which affects the measurement accuracy;

[0016] In addition, the setting of the hand guard wing can form an insulating layer between the staff's hands and the high-temperature material during measurement, preventing high temperature from directly radiating to the hands and causing hand injuries. At the same time, filling the cold storage chamber and the cooling chamber with cooling water can further enhance the comfort of the staff's hands when approaching high-temperature materials, taking into account the safety and comfort when using the special caliper for thickness measurement, and the use effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 Schematic diagram of the three-dimensional structure in this embodiment;

[0019] Figure 2 It is a partial cross-sectional view of the digital display in this embodiment;

[0020] Figure 3 It is a cross-sectional view of the handle in this embodiment.

[0021] In the figure: 1. tail handle; 2. ruler; 3. heat-resistant block; 4. reference protrusion; 5. caliper; 501. slider; 502. reset spring; 6. digital display; 601. receiving hole; 602. slide groove; 7. lever; 8. handle; 801. cold storage chamber; 802. inlet and outlet; 9. hand guard wing plate; 901. cooling chamber. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example: Reference Figure 1-3 A special caliper for measuring thickness is shown, comprising a tail handle 1, two scales 2 distributed up and down are fixed at the front end of the tail handle 1, a handle 8 is fixed on the outside of one of the scales 2, a digital display 6 is fixed on the end of the handle 8 away from the tail handle 1, a caliper 5 is slidably connected to the inside of the digital display 6, a lever 7 is fixed on the end of the caliper 5 away from the scale 2, one side of the caliper 5 is slidably abutted against the front end of one of the scales 2, and a reference protrusion 4 is fixed on the inner side of the other scale 2 close to the caliper 5;

[0024] An elastic member for driving the caliper 5 to reset is installed in the digital display 6 .

[0025] Based on the above structure, when measurement is needed, the ruler 2 with standard size is inserted into the material to be measured (such as a steel pipe), and the reference protrusion 4 is close to the inner wall of the material. One person holds the handle 8 with one hand, and the thumb moves the lever 7, thereby driving the caliper 5 to slide in the digital display 6. The measured data is displayed on the digital display 6, and the accurate measurement value of the specific position can be quickly read, thereby achieving the purpose of quickly obtaining accurate measurement values. No large space and other auxiliary measures are required, and one person can operate with one hand. It is more suitable for efficient and fast operation in a high temperature environment, shortening the operation time, which can not only improve the operation efficiency, but also reduce the operation cost and labor intensity.

[0026] Furthermore, a housing of the digital display 6 is provided with a receiving hole 601 for the caliper 5 to slide through, and a sliding groove 602 with an opening toward a side of the scale 2 is provided on one side of the receiving hole 601;

[0027] The elastic member includes a return spring 502 installed in the slide groove 602, one end of the return spring 502 is fixed to one side of the caliper 5 through a fixing member, the fixing member is slidably connected to the slide groove 602, and the other end of the return spring 502 is fixed to the end of the ruler 2 through a reinforcing member;

[0028] The fixing member includes a slider 501, the slider 501 is fixed to one end of a return spring 502, the slider 501 is slidably connected in a slide groove 602, and a side wall of the slider 501 adjacent to the return spring 502 is fixed to one side of the caliper 5;

[0029] The reinforcement member includes a heat-resistant block 3, two of which are respectively fixed to one end of the two scales 2 away from the tail handle 1, and one end of the heat-resistant block 3 fixed to the end of one of the scales 2 is provided with a hole for the caliper 5 to pass through.

[0030] Through the setting of the slider 501 and the reset spring 502, after the measurement is completed, the user only needs to release the release lever 7, and the caliper 5 can return to the original zero point under the elastic force of the reset spring 502, ready for the next operation, thereby facilitating the return of the caliper 5 to zero, facilitating rapid repeated measurement operations, and making it more convenient to use.

[0031] Furthermore, a circular hole in the middle of the handle 8 for passing the hand is fixed with an arc-shaped hand guard wing plate 9 on one side close to the ruler 2, and the hand guard wing plate 9 and the heat-resistant block 3 are both made of heat-resistant steel;

[0032] A cold storage chamber 801 for accommodating cooling water is provided in the handle 8, and an inlet and outlet 802 communicating with the cold storage chamber 801 is formed at one end of the handle 8, and a sealing plug is provided in the inlet and outlet 802;

[0033] A cooling chamber 901 is provided in the hand guard wing plate 9 , and the cooling chamber 901 is communicated with the cold storage chamber 801 .

[0034] By setting the heat-resistant block 3, the end of the scale 2 of the special caliper for thickness measurement can have a higher heat resistance, thereby avoiding the end of the scale 2 being easily damaged in a high temperature environment, which affects the measurement accuracy;

[0035] In addition, the provision of the hand guard wing plate 9 can form an insulating layer between the worker's hands and the high-temperature material during measurement, thereby preventing high temperature from directly radiating to the hands and causing hand injuries. At the same time, cooling water is filled in the cold storage chamber 801 and the cooling chamber 901, which can further enhance the comfort of the worker's hands when approaching high-temperature materials, taking into account both safety and comfort when using the special caliper for thickness measurement, and achieving better use effect.

[0036] Working principle of the utility model: in daily use, a ruler 2 with a standard size is inserted into the material to be measured, and the reference protrusion 4 is close to the inner wall of the material. A person holds the handle 8 with one hand, and the thumb moves the lever 7, thereby driving the caliper 5 to slide in the receiving hole 601 of the digital display 6. The measured data is displayed by the digital display 6, and the accurate measurement value of the specific position can be quickly read out, so as to achieve the purpose of quickly obtaining accurate measurement values. No large space and other auxiliary measures are required. One person can operate it with one hand, which is more suitable for efficient and fast operation in a high temperature environment, shortening the operation time, which can not only improve the operation efficiency, but also reduce the operation cost and labor intensity. The lever 7 is released, and the caliper 5 returns to the original zero point under the elastic force of the reset spring 502, and is ready for the next operation.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A special caliper for measuring thickness, comprising a tail handle (1), characterized in that: The front end of the tail handle (1) is fixed with two scales (2) distributed up and down, a handle (8) is fixed on the outside of one of the scales (2), a digital display (6) is fixed on the end of the handle (8) away from the tail handle (1), a caliper (5) is slidably connected to the inside of the digital display (6), a lever (7) is fixed on the end of the caliper (5) away from the scale (2), one side of the caliper (5) is slidably abutted against the front end of one of the scales (2), and a reference protrusion (4) is fixed on the inner side of the other scale (2) close to the caliper (5); An elastic member for driving the caliper (5) to reset is installed in the digital display (6).

2. A special caliper for thickness measurement according to claim 1, characterized in that: The housing of the digital display (6) is provided with a receiving hole (601) for the caliper (5) to slide through, and one side of the receiving hole (601) is provided with a sliding groove (602) with an opening toward one side of the scale (2); The elastic member comprises a return spring (502) installed in a slide groove (602), one end of the return spring (502) is fixed to one side of the caliper (5) via a fixing member, the fixing member is slidably connected to the slide groove (602), and the other end of the return spring (502) is fixed to the end of the ruler (2) via a reinforcing member.

3. A special caliper for thickness measurement according to claim 2, characterized in that: The fixing member comprises a slider (501), the slider (501) being fixed to one end of a return spring (502), the slider (501) being slidably connected in a slide groove (602), and the side wall of the slider (501) adjacent to the return spring (502) being fixed to one side of the caliper (5).

4. A special caliper for thickness measurement according to claim 3, characterized in that: The reinforcing member comprises a heat-resistant abutment block (3), two of which are provided and are respectively fixed to one end of the two scales (2) away from the tail handle (1), and a hole for the caliper (5) to pass through is provided at the end of one of the heat-resistant abutment blocks (3) fixed to the end of one of the scales (2).

5. A special caliper for thickness measurement according to claim 1, characterized in that: A circular hole in the middle of the handle (8) for passing the hand is fixed with an arc-shaped hand guard wing plate (9) on one side close to the ruler (2), and the hand guard wing plate (9) and the heat-resistant stop block (3) are both made of heat-resistant steel.

6. A special caliper for thickness measurement according to claim 5, characterized in that: A cold storage chamber (801) for accommodating cooling water is provided in the handle (8), an inlet and outlet (802) communicating with the cold storage chamber (801) is formed at one end of the handle (8), and a sealing plug is provided inside the inlet and outlet (802); A cooling chamber (901) is provided in the hand guard wing plate (9), and the cooling chamber (901) is communicated with the cold storage chamber (801).

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