CN214470466U - Multipurpose vernier caliper - Google Patents

Abstract

The utility model relates to the technical field of measuring tools, in particular to a multipurpose vernier caliper, which comprises a vernier caliper body, an inner diameter measuring claw, an outer diameter measuring claw, a digital display screen, a depth gauge, a circumference measuring flexible rule, a miniature pressure sensor, a weight measuring circular ring hook, an anti-falling part and a tail protecting part, wherein the vernier caliper body, the inner diameter measuring claw, the outer diameter measuring claw, the digital display screen, the depth gauge structure and the connecting mode are the same as those of the digital display vernier caliper displayed on the market at present, and the difference lies in that some structures are added, wherein the miniature pressure sensor takes pressure as a reference, the size and the weight of a soft object and an irregular object are accurately measured, the error of scientific research experiment is reduced, and the experimental objectivity is kept; and the structures such as the anti-falling part can effectively prevent the vernier caliper and the ground from being damaged, and the service life of the vernier caliper is prolonged.

Description

Multipurpose vernier caliper

Technical Field

The utility model belongs to the technical field of measuring tool technique and specifically relates to a multipurpose slide caliper.

Background

The vernier caliper is a measuring tool capable of accurately measuring length, inner diameter, outer diameter and depth. Plays a great role in industrial production, scientific research experiments or clinical practice. However, the vernier caliper is mainly made of alloy no matter the caliper body or the movable measuring jaws are made of alloy, so that the vernier caliper has more advantages in the aspects of measuring the length, the inner diameter and the outer diameter of a regular and hard object, and has large errors and strong subjectivity on the measurement of soft objects such as the thickness of animal ears in scientific research experiments. In the existing improved vernier caliper patent, as the patent application number "201520129518.5", named "a vernier caliper with controllable measuring force" controls the applied force by increasing the relative position of a transparent window and a scale of a push-pull seat, and only aims to protect the vernier caliper from being damaged; another patent application No. 202020629962.4, entitled "vernier caliper for sensing strength of force", needs to use an adjusting rod and a pull rope, fixed on a movable measuring jaw, and needs to adjust the adjusting rod and the pull rope to realize reading when in use.

In summary, the prior art vernier caliper has the following drawbacks: the method has the advantages that the method can not accurately measure the sizes of irregular objects and soft objects such as joint sizes, tumor specimen sizes, thickness degrees of ears of experimental animals (generally mm is taken as a unit, and the accuracy requirement is high), the subjectivity is strong, even if the same person repeatedly measures the values for multiple times, the larger deviation still exists, the difficulty of the experiment and the uncertainty of the result are increased, and the medical experiment research is limited.

The utility model discloses to above-mentioned defect, creative digital display slide caliper on the existing market improves on the basis to pressure is the benchmark, can realize: the size and the weight of soft object, irregular object of accurate measurement are applicable to soft, irregular object's measurement in addition to the measurement that can be applicable to hard object, include the measurement of animal ear thickness degree, tumor body size, tooth size etc. and can avoid vernier caliper's damage to lead to the reading inaccurate in the scientific research experiment. The utility model relates to a multipurpose slide caliper has not yet seen the report at present.

Disclosure of Invention

The utility model aims at providing a multipurpose slide caliper to the not enough of prior art.

In order to achieve the purpose, the utility model adopts the technical proposal that:

the utility model provides a multipurpose vernier caliper, including vernier caliper body 1, interior measuring jaw 2, outer measuring jaw 3, fastening screw 4, digital display screen 5, depth gauge 10, battery box cover 12, thumb gyro wheel 13, wherein vernier caliper body 1 front end respectively with interior measuring jaw 2, outer measuring jaw 3 fixed connection, depth gauge 10 crosses vernier caliper body 1 and is connected with its slidingtype, digital display screen 5, battery box cover 12 connect and constitute the numerical value display area, fastening screw 4 respectively with the middle front end front, top sliding connection of vernier caliper body 1, thumb gyro wheel 13 and the middle front end below sliding connection of vernier caliper body 1; the multipurpose vernier caliper further comprises a connecting line 6, a miniature pressure sensor 7, a circumference measuring flexible rule 8, a weight measuring ring hook 9, a weight placing cylinder 11, an anti-falling piece 14, a first anti-falling piece 14-1, a first anti-falling piece buffering part 14-1, an anti-sliding part 14-1-2, a second anti-falling piece 14-2, a second anti-falling piece buffering part 14-2-1, a connecting piece 14-3 and a tail protection piece 15, wherein one end of the circumference measuring flexible rule 8 is fixed at the tail end of the vernier caliper body 1, the other end of the circumference measuring flexible rule is fixed at a counting point at the front end of the vernier caliper body 1, a small hole is formed at the tail end of the depth ruler 10, the weight measuring ring hook 9 is detachably connected with the small hole at the tail end of the depth ruler 10, the weight placing cylinder 11 can be connected with the vernier caliper body 1 through the weight measuring ring hook 9, the miniature pressure sensor 7 is parallelly embedded between the circumference measuring flexible rule 8 and the depth ruler 10, the miniature baroreceptor 7 is connected with the digital display screen 5 through a connecting wire 6; the anti-falling piece 14 is connected with the vernier caliper body 1 through a connecting piece 14-3, the upper end of a first anti-falling piece 14-1 on the anti-falling piece 14 is connected with a second anti-falling piece 14-2 through an anti-sliding part 14-1-2, the lower end of the first anti-falling piece 14-1 is connected with a first anti-falling piece buffering part 14-1-1, the upper end of the second anti-falling piece 14-2 is connected with a second anti-falling piece buffering part 14-2-1, a tail protection piece 15 is located at the tail end of the vernier caliper body 1, and the vernier caliper body 1 is located in a triangular area defined by the two ends of the anti-falling piece 14 and the tail protection piece 15.

Preferably, an on-off key, a zero clearing key and a metric/English system conversion key are respectively arranged below the digital display screen 5 on the numerical display area.

Further, the working principle of the weight measuring circular ring hook 9 and the weight placing cylinder 11 is as follows: the numerical value display area is provided with a gravity sensor, when the gravity of an object to be measured is measured, the object to be measured is placed in the weight placing barrel 11 and hung on the circular hook 9 for measuring the gravity, the depth gauge 10 is displaced, the digital display screen displays the gravity reading, and the bearing range of the weight placing barrel 11 is 0-2 kg.

Further, the working principle of the circumference measuring tape 8 is as follows: when the irregular object size is measured, the moving distance of the circumference measuring flexible rule 8 is equal to the moving distance of the depth gauge 10, the moving distance of the depth gauge 8 is equal to the moving distance of the outer measuring claw 3, namely, the moving distance of the circumference measuring flexible rule 8 is equal to the moving distance of the outer measuring claw 3, and the data displayed on the digital display screen represents the moving distance of the circumference measuring flexible rule 8.

Further, the working principle of the miniature baroreceptor 7 is as follows: when the size of an object is measured, the circumference measuring flexible rule 8 displaces to generate pressure, the miniature baroreceptor 7 senses the pressure and conducts the pressure through the connecting line 6, and numerical values are displayed on the digital display screen 5.

Further, the connecting line of the outer end of the first anti-falling piece 14-1 and the tail protection piece 15 does not intersect with the outer measuring claw 3, and the connecting line of the outer end of the second anti-falling piece 14-2 and the tail protection piece 15 does not intersect with the inner measuring claw 2.

Further, the first falling-prevention piece buffer part 14-1-1, the second falling-prevention piece buffer part 14-2-1 and the tail protection piece 15 are made of silica gel or sponge.

The front end, the tail end, the upper part, the lower part, the front surface and the like of the whole text are all that the vernier caliper is placed in front according to the measuring claws (comprising an inner measuring claw and an outer measuring claw), the depth gauge is arranged at the back, and the digital display screen is placed at the position of a person.

The utility model has the advantages that:

1. on current digital display slide caliper basis, to its creative improvement, increased the function of measuring the size and the weight of soft object, irregular object, be applicable to the sight of numerous needs measuring size, especially in scientific research experiment, because the different position shapes of drawing materials of animal differ, and the pressure difference that measures the soft tissue and apply influences the measured value great, causes the experimental result deviation easily, and the utility model discloses this defect can be overcome to the miniature baroreceptor who adds, and the experimental measurement is more accurate reliable, convenient and practical.

2. The utility model discloses what add prevents falling a and afterbody protection piece isotructure can make when slide caliper drops on ground carelessly, at first with the ground contact prevent falling a or afterbody protection piece, the bolster that the higher authority was established has the cushioning effect, can effectively avoid slide caliper and ground to damage. In addition, the anti-slip part additionally arranged on the upper edge can increase the friction force between the palm of an operator and the anti-falling part, so that the stable holding of the vernier caliper can be ensured, the falling of the vernier caliper is effectively avoided, the direct holding of the vernier caliper by the operator is also avoided, and the pollution to the vernier caliper is avoided.

3. The utility model discloses simple structure, it is convenient to use, is applicable to multiple scene, and the practicality is strong.

Drawings

Fig. 1 is a schematic view of the overall structure of the multipurpose vernier caliper.

Fig. 2 is a schematic view of the protection principle of the multipurpose vernier caliper of the present invention.

Fig. 3 is a schematic diagram of the front-end enlarged structure of the multipurpose vernier caliper of the present invention.

Fig. 4 is a schematic view of the connection structure of the digital display screen of the multi-purpose vernier caliper and the micro baroreceptor of the present invention.

1. A vernier caliper body;

2. an inner measuring jaw;

3. an outer measuring jaw;

4. fastening screws;

5. a digital display screen;

6. a connecting wire;

7. a micro baroreceptor;

8. measuring a circumference flexible rule;

9. measuring a gravity circular hook;

10. a depth gauge;

11. a weight placement cylinder;

12. a battery case cover;

13. a thumb wheel;

14. a fall-resistant member;

14-1, a first fall-resistant piece;

14-1-1, a first anti-falling piece buffer part;

14-1-2, an antiskid part;

14-2, a second fall-resistant piece;

14-2-1 and a second anti-falling piece buffer part;

14-3, connecting pieces;

15. a tail guard.

Detailed Description

The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by those skilled in the art after reading the disclosure of the present invention, and such equivalents also fall within the scope of the appended claims.

Example 1

A multipurpose vernier caliper comprises a vernier caliper body 1, an inner measuring claw 2, an outer measuring claw 3, a fastening screw 4, a digital display screen 5, a depth gauge 10, a battery box cover 12 and a thumb roller 13, wherein the front end of the vernier caliper body 1 is fixedly connected with the inner measuring claw 2 and the outer measuring claw 3 respectively, the depth gauge 10 transversely penetrates through the vernier caliper body 1 to be connected with the vernier caliper body in a sliding manner, the digital display screen 5 and the battery box cover 12 are connected to form a numerical value display area, the numerical value display area and the fastening screw 4 are connected with the middle of the vernier caliper body 1 close to the front side and the upper side in a sliding manner respectively, and the thumb roller 13 is connected with the middle of the vernier caliper body 1 close to the lower side of the front end in a sliding manner; multipurpose slide caliper still includes connecting wire 6, miniature baroreceptor 7, the circumference measures tape 8, the circular hook 9 of the basis weight, a section of thick bamboo 11 is placed to the heavy object, wherein 8 one ends of circumference is measured tape is fixed in slide caliper body 1 tail end, the other end is fixed in the 1 front end of slide caliper body and begins the count point, a aperture has been seted up to depth gauge 10 tail end, the circular hook 9 of the basis weight is connected with the aperture is detachable at depth gauge 10 tail end, the heavy object is placed a section of thick bamboo 11 accessible and is measured the circular hook 9 of basis weight and is connected with slide caliper body 1, miniature baroreceptor 7 parallel embedding is measured tape 8 and depth gauge 10 in the circumference and is middle of, miniature baroreceptor 7 is connected with digital display 5 through connecting wire 6. Preferably, an on-off key, a zero clearing key and a metric/English system conversion key are respectively arranged below the digital display screen 5 on the numerical display area.

The use method and the working principle of the embodiment are as follows:

(1) when measuring the external diameter of an object, firstly opening an on-off key on the digital display screen 5, pressing a zero clearing key, then placing the object to be measured into the external measuring claw 3, then rotating the thumb roller 13, when the external measuring claw 3 just fixes the object to be measured, fixing the object to be measured by using the fastening screw 4, and the numerical value displayed on the digital display screen 5 is the external diameter;

(2) when the inner diameter size of an object is measured, firstly, an on-off key on the digital display screen 5 is opened, a reset key is pressed, then the inner measuring claw 2 is placed in the inner diameter of the object to be measured, then the thumb roller 13 is rotated until the inner measuring claw completely abuts against the inner wall of the object, the inner measuring claw is fixed by the fastening screw 4, and the numerical value displayed on the digital display screen 5 is the inner diameter size;

(3) when the object is in depth, firstly, an on-off key on the digital display screen 5 is turned on, a zero clearing key is pressed, then the depth gauge 10 is inserted into the object to be measured, when the depth gauge is just propped against the highest point of the object, the depth gauge is fixed by using a fastening screw 4, and the numerical value displayed on the digital display screen 5 is the depth size;

(4) when measuring the circumference of the irregular shape object to be measured, the circumference measuring tape 8 is pulled out, and the distance that the circumference measuring tape 8 moves is equal to the distance that the depth gauge 10 moves, and those skilled in the art know that: the distance that the depth gauge 10 moves is equal to the distance that the measuring jaw (outer measuring jaw) moves, that is: the moving distance of the circumference measuring flexible rule 8 is equal to the moving distance of the measuring claw (outer measuring claw) is equal to the numerical value displayed on the digital display screen 5;

(5) when the size of a soft object (such as animal soft tissue) is measured, the object to be measured is placed in the outer measuring claw 3, then the thumb roller 13 is rotated, the circumference measuring flexible rule 8 is displaced to generate pressure, the miniature pressure sensor 7 senses the pressure, the pressure is transmitted through the connecting wire 6, and the numerical value is displayed on the digital display screen 5;

(6) when measuring the gravity of the object to be measured, because the gravity sensor is arranged in the numerical value display area, when measuring the gravity of the object to be measured, the object to be measured is placed in the weight placing cylinder 11 and hung on the circular hook 9 for measuring the gravity, the depth gauge 10 is displaced, the digital display screen displays the gravity reading, and the bearing range of the weight placing cylinder 11 is 0-2kg

It should be noted that when the object gravity does not need to be measured, the weight measuring ring hook 9 is detached, and when the object gravity needs to be measured, the weight measuring ring hook 9 is attached again.

When the battery is not charged, the battery box cover 12 is opened to replace the new battery.

When the numerical value needs to be converted in a metric-English system, a metric-English system conversion key on a digital display screen is pressed.

The zero clearing key is required to be pressed every time the device is used, so that the accuracy of the measured value is guaranteed.

The front end, the tail end, the upper part, the lower part, the front surface and the like of the whole text are all that the vernier caliper is placed in front according to the measuring claws (comprising an inner measuring claw and an outer measuring claw), the depth gauge is arranged at the back, and the digital display screen is placed at the position of a person.

Example 2

This embodiment is a further improvement on the basis of embodiment 1, and the rest of the structures and the connection methods thereof are the same as those in embodiment 1, and are not described herein again, and this embodiment will repeat the description of the newly added structures and the connection methods thereof: the structure is increased: the anti-falling part 14, the first anti-falling part 14-1, the first anti-falling part buffer part 14-1-1, the anti-slip part 14-1-2, the second anti-falling part 14-2, the second anti-falling part buffer part 14-2-1, the connecting part 14-3 and the tail protection part 15 are connected in the following way: the anti-falling piece 14 is connected with the vernier caliper body 1 through a connecting piece 14-3, the upper end of a first anti-falling piece 14-1 on the anti-falling piece 14 is connected with a second anti-falling piece 14-2 through an anti-sliding part 14-1-2, the lower end of the first anti-falling piece 14-1 is connected with a first anti-falling piece buffering part 14-1-1, the upper end of the second anti-falling piece 14-2 is connected with a second anti-falling piece buffering part 14-2-1, a tail protection piece 15 is located at the tail end of the vernier caliper body 1, and the vernier caliper body 1 is located in a triangular area defined by the two ends of the anti-falling piece 14 and the tail protection piece 15. Preferably, the connecting line of the outer end of the first anti-falling part 14-1 and the tail protection part 15 does not intersect with the outer measuring jaw 3, and the connecting line of the outer end of the second anti-falling part 14-2 and the tail protection part 15 does not intersect with the inner measuring jaw 2. Preferably, the first falling-prevention piece buffer part 14-1-1, the second falling-prevention piece buffer part 14-2-1 and the tail protection piece 15 are made of silicon gel or sponge.

The use method and the working principle of the embodiment are as follows:

(1) when the inside and outside diameter sizes, the depth size, the pressure, the gravity, and the sizes of the irregular object and the soft object of the object to be measured are measured, the operation method and the principle are the same as those of embodiment 1, and the details are not repeated herein.

(2) When the vernier caliper is inadvertently dropped on the ground, the anti-falling member 14 or the tail protection member 15, the anti-falling member 14 and the buffer member on the tail protection member 15 are firstly landed to have a buffer function, so that the damage of the vernier caliper can be avoided.

(3) The designed anti-slip part 14-1-2 can facilitate an operator to hold the vernier caliper, and the anti-slip part 14-1-2 can increase the friction force between the palm of the operator and the anti-falling part 14, so that the operator can hold the vernier caliper more reliably, and the phenomenon that the operator directly holds the vernier caliper to pollute the vernier caliper is avoided.

It should be noted that the arrangement of the first anti-falling buffer portion 14-1-1 and the second anti-falling buffer portion 14-2-1 is not limited herein, and the buffer portions (including the first anti-falling buffer portion 14-1-1 and the second anti-falling buffer portion 14-2-1) may be sleeved on the anti-falling member 2, or may be directly adhered to the anti-falling member 2.

The connecting line 6 is located inside the vernier caliper body 1, and in the drawings of the specification, in order to present the structure, the connecting line is disposed outside, and in practice, when in use, the structure is disposed inside the vernier caliper body 1 conveniently.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.

Claims (4)

1. A multipurpose vernier caliper comprises a vernier caliper body (1), an inner measuring claw (2), an outer measuring claw (3), a fastening screw (4), a digital display screen (5), a depth gauge (10), a battery box cover (12) and a thumb roller (13), wherein the front end of the vernier caliper body (1) is fixedly connected with the inner measuring claw (2) and the outer measuring claw (3) respectively, the depth gauge (10) traverses the vernier caliper body (1) to be connected with the vernier caliper body in a sliding manner, the digital display screen (5) and the battery box cover (12) are connected to form a numerical display area, the numerical display area and the fastening screw (4) are connected with the middle of the vernier caliper body (1) close to the front side and the upper side in a sliding manner respectively, and the thumb roller (13) is connected with the middle of the vernier caliper body (1) close to the lower side of the front end in a sliding manner; the multipurpose vernier caliper is characterized by further comprising a connecting line (6), a miniature pressure sensor (7), a circumference measuring flexible rule (8), a weight measuring circular ring hook (9), a weight placing cylinder (11), an anti-falling part (14), a first anti-falling part (14-1), a first anti-falling part buffering part (14-1-1), an anti-sliding part (14-1-2), a second anti-falling part (14-2), a second anti-falling part buffering part (14-2-1), a connecting part (14-3) and a tail protecting part (15), wherein one end of the circumference measuring flexible rule (8) is fixed at the tail end of the vernier caliper body (1), the other end of the circumference measuring flexible rule is fixed at a counting starting point at the front end of the vernier caliper body (1), a small hole is formed at the tail end of the depth gauge (10), the weight measuring circular ring hook (9) is detachably connected with the small hole at the tail end of the depth gauge (10), the weight placing cylinder (11) can be connected with the vernier caliper body (1) through a gravity measuring circular ring hook (9), the miniature baroreceptor (7) is parallelly embedded between the circumference measuring flexible rule (8) and the depth scale (10), and the miniature baroreceptor (7) is connected with the digital display screen (5) through a connecting line (6); the anti-falling part (14) is connected with the vernier caliper body (1) through a connecting part (14-3), the upper end of a first anti-falling part (14-1) on the anti-falling part (14) is connected with a second anti-falling part (14-2) through an anti-sliding part (14-1-2), the lower end of the first anti-falling part (14-1) is connected with a first anti-falling part buffering part (14-1-1), the upper end of the second anti-falling part (14-2) is connected with a second anti-falling part buffering part (14-2-1), the tail protection part (15) is located at the tail end of the vernier caliper body (1), and the vernier caliper body (1) is located in a triangular area defined by two ends of the anti-falling part (14) and the tail protection part (15).

2. The multi-purpose vernier caliper according to claim 1, wherein an on-off key, a clear key and a metric/English system conversion key are respectively arranged below the digital display screen (5) on the numerical display area.

3. Multipurpose vernier caliper according to claim 1, characterized in that the connecting line of the outer end of the first anti-fall element (14-1) and the tail protection element (15) does not intersect the outer measuring jaw (3) and the connecting line of the outer end of the second anti-fall element (14-2) and the tail protection element (15) does not intersect the inner measuring jaw (2).

4. The multi-purpose vernier caliper according to claim 1, wherein the first falling prevention buffer portion (14-1-1), the second falling prevention buffer portion (14-2-1) and the tail protection member (15) are made of silicone or sponge.

Images