CN215491377U

CN215491377U - Chain digital display caliper

Info

Publication number: CN215491377U
Application number: CN202122386795.2U
Authority: CN
Inventors: 杨忠义
Original assignee: Dongguan Terma Electronics Co ltd
Current assignee: Dongguan Terma Electronics Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-01-11
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a chain digital display caliper, which comprises a main caliper and a caliper frame, wherein the caliper frame is sleeved on the main caliper and can slide relative to the main caliper, measuring claws which can be clamped into a chain are arranged at the ends, away from each other, of the main caliper and the caliper frame, a calibration pin for zero calibration of the digital display caliper is further arranged on the main caliper, a long notch I is arranged on the main caliper in a penetrating mode, a long notch II is arranged at the position, corresponding to the long notch, of the caliper frame, springs are arranged in the long notch I and the long notch II, one end of each spring is fixedly connected with one end of each long notch, the other end of each spring is fixedly connected with the two ends of each long notch, and the springs are used for enabling the measuring claws at the two ends to move away from each other. Has the advantages that: the chain digital display caliper has the advantages of simple structure, small volume, convenient and flexible use, clear and readable digital display measurement result.

Description

Chain digital display caliper

Technical Field

The utility model relates to the field of measuring equipment, in particular to a chain digital display caliper.

Background

Currently, for detecting the degree of wear of the chain, people often need to use a special tool, but the tools available at present are very crude: a fixed length dimension component tool that provides only available or unavailable references to people, and is ambiguous as to future predictions of chain replacement timing. In addition, in the application field with higher requirements on the precision of chain transmission, the requirements on the detection precision of the chain even reach a few tenths of millimeters, and at the moment, the simple tool can certainly not meet the use requirements; if an instrument is selected for detection, a special fixing tool needs to be manufactured in advance, so that the method has the problems of time and labor waste, long period, complex instrument operation, high price and the like, and the application of the method for detecting the abrasion degree of the chain by using the instrument is hindered. Therefore, a digital chain caliper is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provide the chain digital display caliper which has the advantages of strong practicability, small volume, portability, high chain measurement precision and good use effect.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a chain digital display slide caliper rule, includes main scale and chi frame, and the chi frame cup joints on the main scale to the chi frame can slide for the main scale, and the main scale is kept away from one end each other with the chi frame and all is equipped with the measuring claw that can block in the chain into, still be equipped with the calibration pin that is used for digital display slide caliper rule school zero on the main scale, run through on the main scale and be provided with slotted opening one, the chi frame is equipped with slotted opening two in the department corresponding with slotted opening position, is provided with the spring in slotted opening one and the slotted opening two, and a spring one end fixed connection slotted opening tip, two tip of other end fixed connection slotted opening, spring are used for making the measuring claw at both ends keep away from the motion each other.

Further, the ruler frame is sunken to be equipped with the spout in inside, and the main scale is arranged in spout sliding connection, the spout upside has digital display module through the screw connection, the inside standing groove that is equipped with of main scale is equipped with main scale sensor in the standing groove, and standing groove upper portion is detained and is equipped with the buckle.

Furthermore, the measuring claw comprises a plane type claw with a right-angle opening and an arc-shaped claw with a circular arc opening, the plane type claw and the arc-shaped claw are opposite in opening direction, and the two claws are located on the same horizontal plane.

Furthermore, the calibrating pin is a cylindrical stop block which is in threaded connection with the middle of the main scale and protrudes out of the surface of the main scale, and the protruding part of the calibrating pin can be limited by the end part of the stop scale frame.

Furthermore, the base material of the main scale sensor is glass fiber, the grid surfaces are uniformly arranged on the end surface of one side, facing the digital display module, of the main scale sensor, and a digital signal generator, a digital feedback signal processor and a digital display unit are arranged in the digital display module.

Furthermore, a battery body is arranged in the digital display module, a battery cover is arranged on the outer side of the battery body, and a control button is arranged on the end face of the outer side of the digital display module.

Furthermore, a blocking piece for preventing the ruler frame from sliding out is further arranged on the main ruler, the blocking piece is in threaded connection with one end, far away from the plane type clamping jaw, of the main ruler, and the ruler frame is provided with a notch matched with the blocking piece.

Compared with the prior art, the utility model has the advantages that: the chain digital display caliper has the advantages of simple structure, small volume, convenience and flexibility in use, clear and readable digital display measurement results, can be effectively clamped into a chain to measure the worn and stretched length of the chain due to the arrangement of the measurement claws, can automatically separate the two measurement claws from each other and simultaneously can stretch the straight chain for accurate measurement due to the arrangement of the spring, and the digital display module and the main scale sensor can be matched with each other to accurately display the measurement data of the digital display caliper.

Drawings

Fig. 1 is a schematic structural diagram of a chain digital display caliper.

Fig. 2 is a schematic structural diagram of the chain digital display caliper.

As shown in the figure: 1. a battery cover; 2. a battery body; 3. a digital display module; 4. buckling the plate; 5. a main scale sensor; 6. a main scale; 7. a spring; 8. a ruler frame; 9. a screw; 10. calibrating the pin; 11. a first long notch; 12. a second long notch; 13. a chute; 14. a placement groove; 15. a planar jaw; 16. an arc-shaped jaw; 17. a grid surface; 18. a control button; 19. a notch.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The utility model provides a chain digital display slide caliper rule, includes main scale 6 and chi frame 8, chi frame 8 cup joints on main scale 6 to chi frame 8 can slide for main scale 6, and main scale 6 all is equipped with the measuring claw that can block in the chain with chi frame 8 one end of keeping away from each other, still be equipped with the calibration pin 10 that is used for the digital display slide caliper rule zero calibration on the main scale 6, run through on the main scale 6 and be provided with rectangular notch 19 one 11, chi frame 8 is equipped with rectangular notch 19 two 12 in the corresponding department with rectangular notch 19 position, is provided with spring 7 in rectangular notch 19 one 11 and the rectangular notch 19 two 12, 19 one 11 tip of spring 7 one end fixed connection rectangular notch, other end fixed connection rectangular notch 19 two 12 tip, and spring 7 is used for making the measuring claw at both ends keep away from the motion each other.

The ruler frame 8 is internally sunken to be provided with a sliding groove 13, the main ruler 6 is arranged in the sliding groove 13 and is in sliding connection, the upper side of the sliding groove 13 is connected with a digital display module 3 through a screw 9, a placing groove 14 is arranged inside the main ruler 6, a main scale sensor 5 is arranged in the placing groove 14, and a buckle plate 4 is buckled on the upper portion of the placing groove 14.

The measuring claw comprises a planar claw 15 with a right-angle opening and an arc claw 16 with a circular arc opening, the planar claw 15 and the arc claw 16 are opposite in opening direction, and the two claws are located on the same horizontal plane.

The calibrating pin 10 is a cylindrical stop block which is in threaded connection with the middle of the main scale 6 and protrudes out of the surface of the main scale 6, and the protruding part of the calibrating pin 10 can stop the end part of the scale frame 8 to limit the position.

The base material of the main scale sensor 5 is glass fiber, the grid surfaces 17 are uniformly arranged on the end surface of one side, facing the digital display module 3, of the main scale sensor 5, and a digital signal generator, a digital feedback signal processor and a digital display unit are arranged in the digital display module 3.

The digital display module 3 is internally provided with a battery body 2, the outer side of the battery body 2 is provided with a battery cover 1, and the outer side end face of the digital display module 3 is provided with a control button 18.

The main scale 6 is also provided with a blocking piece for preventing the scale frame 8 from sliding out, the blocking piece is in threaded connection with one end of the main scale 6, which is far away from the plane type clamping jaw 15, and the scale frame 8 is provided with a notch 19 matched with the blocking piece.

The working principle is as follows: referring to fig. 1, the digital chain caliper according to the embodiment of the present invention includes a digital display module 3, a main scale sensor 5, a main scale 6 having a planar jaw 15, a scale frame 8 having an arc jaw, a spring 7, and a calibration pin 10, wherein the spring 7 is installed between the main scale 6 and the scale frame 8, one end of the spring 7 is connected to one end of a long notch 19 i 11 of the main scale 6, and the other end of the spring 7 is installed at the end of a long notch 19 ii 12 of the scale frame 8, under the action of the spring 7, the main scale 6 is kept away from the scale frame 8 along a straight line direction, that is, the two measurement jaws are away from each other, and the battery is fixed on the digital display module 3 through the battery cover 1; the digital display module 3 is internally provided with a digital signal generator, a digital feedback signal processor and a digital display unit; the digital display module 3 is fixed on the ruler frame 8 through the screw 9; the main scale sensor 5 is stuck in the placing groove 14 of the main scale 6 and is covered by the buckle plate 4;

a digital signal generator arranged in the digital display module 3 sends out electronic signals, the electronic signals are fed back by the main scale sensor 5, and a digital feedback signal processor arranged in the digital display module 3 calculates the relative displacement value of the main scale 6 and the scale frame 8 and transmits the relative displacement value to the digital display unit for display; under the action of external force, the main scale 6 is drawn close to the scale frame 8 along the linear direction, when the calibration pin 10 touches the scale frame 8, the main scale 6 is limited to further draw close to the scale frame 8, and at the moment, a fixed position size is formed between the plane type clamping jaw 15 on the main scale 6 and the arc type clamping jaw on the scale frame 8, and the fixed position size is used as a comparison standard for detecting the abrasion degree of the chain; after the external force is released, the main ruler 6 is away from the ruler frame 8 in a linear direction under the action force of the spring 7; the arc-shaped claws on the ruler frame 8 are preferably inserted and hooked tightly with the chain, the chain is straightened simultaneously after the external force is released, and the number displayed on the display module is the abrasion loss of the chain after the planar claws 15 on the main ruler 6 are used for driving the chain.

The present invention and the embodiments thereof have been described above, and the description is not restrictive, and the embodiments shown in the detailed description are only a part of the embodiments of the present invention, not all embodiments, and the actual configuration is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A chain digital display caliper comprises a main caliper (6) and a caliper frame (8), and is characterized in that the caliper frame (8) is sleeved on the main caliper (6), the ruler frame (8) can slide relative to the main ruler (6), the ends of the main ruler (6) and the ruler frame (8) which are far away from each other are provided with measuring claws which can be clamped into the chain, the main scale (6) is also provided with a calibration pin (10) for zero calibration of the digital caliper, the main scale (6) is provided with a long notch (19) I (11) in a penetrating way, the ruler frame (8) is provided with a long notch (19) II (12) at a position corresponding to the long notch (19), a spring (7) is arranged in each of the long notch (19) I (11) and the long notch (19) II (12), one end of the spring (7) is fixedly connected with the end part of the long notch (19) I (11), the other end of the spring is fixedly connected with the end part of the long notch (19) II (12), and the spring (7) is used for enabling the measuring claws at the two ends to move away from each other.

2. The digital display caliper for chains as claimed in claim 1, wherein the caliper frame (8) is provided with a sliding groove (13) in a concave manner, the main caliper (6) is arranged in the sliding groove (13) and connected with the sliding groove in a sliding manner, the digital display module (3) is connected to the upper side of the sliding groove (13) through a screw (9), the main caliper (6) is provided with a placing groove (14) in the inner portion, the placing groove (14) is internally provided with the main scale sensor (5), and the upper portion of the placing groove (14) is provided with a buckle plate (4) in a buckling manner.

3. The digital chain caliper according to claim 1, wherein the measuring jaw comprises a planar jaw (15) with a right-angle opening and an arc jaw (16) with a circular arc opening, the planar jaw (15) and the arc jaw (16) are opposite in opening direction, and the two jaws are located on the same horizontal plane.

4. The digital chain caliper according to claim 1, characterized in that the calibrating pin (10) is a cylindrical stop block screwed in the middle of the main scale (6) and protruding from the surface of the main scale (6), and the protruding part of the calibrating pin (10) can stop the end of the scale frame (8) to limit the position.

5. The digital chain caliper according to claim 2, wherein the base material of the main scale sensor (5) is glass fiber, the grid surfaces (17) are uniformly arranged on the end surface of one side of the main scale sensor (5) facing the digital display module (3), and the digital display module (3) is internally provided with a digital signal generator, a digital feedback signal processor and a digital display unit.

6. The chain digital caliper according to claim 2, characterized in that a battery body (2) is arranged in the digital display module (3), a battery cover (1) is arranged on the outer side of the battery body (2), and a control button (18) is arranged on the outer end face of the digital display module (3).

7. The digital chain caliper according to claim 3, wherein the main scale (6) is further provided with a blocking member for preventing the scale frame (8) from sliding out, the blocking member is screwed on one end of the main scale (6) far away from the plane type clamping jaw (15), and the scale frame (8) is provided with a notch (19) matched with the blocking member.