CN219757174U - Concealed spring piece gap-eliminating structure caliper - Google Patents

Abstract

The utility model provides a built-in spring leaf anti-backlash structure caliper, which includes a ruler frame and a ruler body that penetrates the ruler frame. The upper side of the ruler frame is provided with a locking screw; the ruler frame includes a ruler body receiving groove, and a ruler body receiving groove. There is a copper bar receiving groove on the top, and copper bar installation grooves are provided at both ends of the copper bar receiving groove. Copper bar installation grooves are installed in the copper bar installation grooves; an internal measuring movable rod is provided on one side of one end of the ruler frame, and the ruler frame is the same The other side of the end is provided with an external measuring movable rod. By separately designing the structures of the copper bars and the ruler frame, the utility model has the advantages of high measurement accuracy, smooth sliding of the ruler frame and ruler body, easy use and strong practicability, and is also effective It effectively solves the problem that the ruler frame in the traditional structure of the vernier caliper is prone to swing left and right when touched and the ruler frame is easily offset on the ruler body, thus affecting the accuracy of the measurement results.

Description

A built-in spring leaf anti-backlash structure caliper

Technical field

The utility model relates to a caliper with a built-in spring leaf anti-backlash structure.

Background technique

The ruler frame of a traditional vernier caliper generally has a U-shaped spring piece built into it. The U-shaped spring piece is compressed by rotating the locking screw so that the U-shaped spring piece can conflict with the ruler body and the friction between the U-shaped spring piece and the ruler body can be adjusted. The degree of tightness can be used to fix the ruler frame on the ruler body, so as to achieve the purpose of locking the ruler frame on the ruler body after measurement. Since the U-shaped elastic piece of a vernier caliper with this type of structure has only one point of contact with the ruler body, the ruler frame may swing left and right when touched, ultimately causing the ruler frame to easily shift on the ruler body, thereby affecting the accuracy of the measurement results.

Contents of the invention

The technical problem to be solved by this utility model is to provide a built-in spring leaf anti-backlash structure caliper, which is designed by designing the structure of the ruler frame and setting the structure and shape of the copper strip so that it can pass through the copper strip. The collision fixed part can balance the ruler frame to prevent the ruler frame from swinging left and right or shifting when being touched. Its overall structural design not only has high measurement accuracy, the ruler frame and ruler body can slide smoothly, and is easy to use and practical. It has the advantage of strong stability, and it can also effectively solve the problem that the ruler frame in the traditional structure of the vernier caliper is prone to swing left and right when touched and the ruler frame is easily offset on the ruler body, thus affecting the accuracy of the measurement results. The utility model is realized through the following technical solutions:

A caliper with a built-in spring leaf anti-backlash structure, including a ruler frame and a ruler body; the middle part of the ruler frame is provided with a ruler body receiving groove for the ruler body to penetrate and accommodate the ruler body, and a copper bar is provided above the ruler body receiving groove to accommodate the ruler body. slot, and copper strip installation slots are respectively provided at both ends of the copper strip receiving slot, and copper strips are installed in the copper strip installation slots; the copper strips are provided with elastic parts, and the two ends of the elastic parts are respectively provided with friction fixing parts, and each friction fixation A mounting end is provided on one side of the unit.

Preferably, an inner measuring movable rod is provided on one side of one end of the ruler frame, and an outer measuring movable rod is provided on the other side of the same end of the ruler frame.

After adopting the above technical solution, when the operator moves the ruler frame to the left, it can drive the internal measurement movable rod closer to the direction of the internal measurement fixed rod. When the operator moves the ruler frame to the right, it can drive the internal measurement movable rod to move away from the internal measurement. The direction of the fixed rod moves, and the inner measuring movable rod and the inner measuring fixed rod can be used to measure the inner diameter of workpieces of different specifications or sizes.

Preferably, one end of the ruler body is provided with an inner measuring fixed rod used in conjunction with the inner measuring movable rod, and the other side of the same end of the ruler body is provided with an outer measuring fixed rod used in conjunction with the outer measuring movable rod.

After adopting the above technical solution, when the operator moves the ruler frame to the left, the outer measuring movable rod can be driven closer to the direction of the outer measuring fixed rod, and when the operator moves the ruler frame to the right, the outer measuring movable rod can be driven away from the outer measuring rod. The direction of the fixed rod moves, and when the external measuring movable rod is used in conjunction with the external measuring fixed rod, the outer diameter of workpieces of different specifications or sizes can be measured.

Preferably, a locking screw is provided in the middle of the upper side of the ruler frame.

Preferably, the elastic part, the collision fixing part and the installation end part of the copper strip are integrally formed.

Preferably, the copper strips are arranged in a "W" shape. This shape design of the copper strips is only one embodiment of the present invention, but is not limited to this.

After adopting the above technical solution, the operator can adjust the different compression degrees of the locking screw on the copper bar when rotating the locking screw forward and reverse, so as to compress the ruler body. For example, when the operator rotates the locking screw clockwise, the locking screw can move downward, and the gradually moving downward locking screw can compress the elastic part of the copper bar; conversely, when the operator rotates the locking screw counterclockwise, When the locking screw is reset and moved upward, the locking screw that gradually moves upward can loosen the compression of the elastic part of the copper bar. Since there are two conflicting and fixed parts in the copper bar, when the locking screw presses the elastic part of the copper bar downwards, it can drive the two conflicting and fixed parts to move downward synchronously and conflict with the ruler body, so that the ruler can be balanced. and lock the ruler frame to the ruler body; when the ruler frame is touched, it will not swing left and right, so that the ruler frame will not shift on the ruler body, thereby improving the accuracy of its measurement results. In addition, since the elastic part of the copper bar will be deformed when pressed by the locking screw, the elastic part of the copper bar does not contact the ruler body, so that the locking screw will not act on the ruler body through the elastic part of the copper bar. Therefore, the ruler body will not be damaged due to pressure deformation.

Preferably, the elastic part and the conflicting fixing part of the copper bar are installed in the copper bar receiving groove, and the two installation ends of the copper bar are respectively installed in the two copper bar installation grooves.

After adopting the above technical solution, when the two ends of the copper bar are respectively installed into the two copper bar installation grooves on the left and right sides of the copper bar accommodation groove, the copper bar can be fixedly accommodated so that the copper bar will not loosen and fall off.

Preferably, an LCD display screen is provided on the front side of the ruler frame. The LCD display screen is a commercially available product and its specific structure is common knowledge and will not be explained in detail here.

After adopting the above technical solution, the LCD display screen and the ruler frame are installed on the front and rear sides of the ruler body respectively. When the LCD display screen and the ruler frame are used together, the sealing performance of the ruler frame can be improved to a certain extent. Dust-proof function to reduce dust particles adhering to the ruler body, thus affecting the smoothness of the ruler frame sliding on the ruler body.

In another embodiment, the present invention also provides a built-in spring leaf anti-backlash structure caliper, which includes a ruler frame and a ruler body. The middle part of the ruler frame is provided with a ruler body receiving groove for the ruler body to penetrate. The ruler body accommodates the ruler body. A copper bar receiving groove is provided above the groove, and copper bar installation grooves are respectively provided at both ends of the copper bar receiving groove. A copper bar is installed in the copper bar installation groove; the copper bar includes a conflicting fixing part, and the two ends of the conflicting fixing part are respectively provided There are mounting ends. One side of one end of the ruler frame is provided with an internal measuring movable rod, and the other side of the same end of the ruler frame is provided with an external measuring movable rod. One side of one end of the ruler body is provided with an internal measuring fixed rod, and the other side of the same end of the ruler body is provided with an external measuring fixed rod. The middle part of the upper side of the ruler frame is provided with a locking screw, the friction fixing part of the copper bar and the installation end are integrally formed, and the front side of the ruler frame is provided with an LCD display.

Further, the friction fixing part of the copper bar is provided with a flat bottom, and the installation end of the copper bar is installed into a copper bar installation groove on the same side. The copper bar installation groove is used to install and fix the copper bar so that it does not fall off.

After adopting the above technical solution, when the friction and fixing part of the copper bar adopts a flat-bottom design and the user rotates the locking screw downward, the locking screw can press the friction and fixation part of the copper bar, so that the friction and fixation part of the copper bar can It is in parallel contact with the upper surface of the ruler body to lock the ruler frame on the ruler body, thereby preventing the ruler frame from swinging left and right.

Compared with the existing technology, the beneficial effects of this utility model are: 1. It is provided with a ruler body receiving groove that can penetrate the ruler frame and accommodate the ruler body on the front side of the ruler frame, and above the ruler body receiving groove. A copper bar receiving groove is provided, and copper bar installation grooves are respectively provided at both ends of the copper bar receiving groove. The copper bar receiving groove is used to install the copper bar, and the copper bar installation groove is used to install the installation ends of both ends of the copper bar. It can achieve the purpose of fixing the copper strip to prevent the copper strip from loosening and falling off.

2. By designing the structure of the copper bar, the user can compress the copper bar to varying degrees by rotating the locking screw, so as to compress the ruler body; and the copper bar can be balanced by the conflicting fixed part The ruler body and ruler frame enable the ruler frame to be locked on the ruler body, which effectively solves the problem of the traditional structure of the vernier caliper in which the ruler frame easily swings left and right when touched and causes the ruler frame to shift on the ruler body. The problem of accuracy of measurement results.

3. When there is an elastic part in the copper bar and the elastic part of the copper bar is deformed when pressed by the locking screw, the locking screw will not pass because the elastic part of the copper bar is not in contact with the ruler body. The elastic part acts on the ruler body, thereby preventing the ruler body from being deformed and damaged due to pressure.

4. When the front side of the ruler body is equipped with an LCD display used in conjunction with the ruler frame, the sealing performance of the ruler frame can be improved, making it dust-proof to a certain extent to reduce dust particles adhering to the ruler body. It affects the sliding of the ruler frame on the ruler body and ensures that the ruler frame can slide smoothly on the ruler body.

Description of the drawings

For ease of explanation, the present utility model is described in detail by the following preferred embodiments and drawings.

Figure 1 is a front view of the ruler frame in a built-in spring leaf anti-backlash structure caliper of the present invention.

Figure 2 is a perspective view of a caliper with a built-in spring leaf anti-backlash structure according to the present invention, in which the ruler frame is installed into a copper bar provided with an elastic portion.

Figure 3 is a front view of a built-in spring leaf anti-backlash structure caliper of the present invention.

Figure 4 is a front view of the aluminum strip provided with an elastic portion in a caliper with a built-in spring leaf anti-backlash structure according to the present invention.

Figure 5 is a front view of a caliper with a built-in spring leaf anti-backlash structure according to the present invention, in which the shape of the aluminum strip is set to a flat-bottomed structure.

Figure 6 is a perspective view of a caliper with a built-in spring leaf anti-backlash structure according to the present invention, in which the ruler frame is installed into a copper bar with a flat bottom structure.

Implementation

In order to facilitate understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to provide a thorough and comprehensive understanding of the disclosure of the present invention.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the invention belongs. The terms used in the description of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

In this embodiment, as shown in Figures 1 to 6, a built-in spring leaf anti-backlash structure caliper of the present invention includes a ruler frame 1 and a ruler body 2; the ruler frame 1 includes a caliper that can be penetrated by the ruler body 2. The ruler body accommodating groove 3 is provided with a copper bar accommodating groove 4 on the top of the ruler body accommodating groove 3. Copper bar mounting grooves 5 are respectively provided at both ends of the copper bar accommodating groove 4, and a copper bar 6 is installed in the copper bar mounting groove 5; The copper strip 6 includes an elastic part 7. The two ends of the elastic part 7 are respectively provided with anti-fixing parts 8. One side of each anti-fixing part 8 is provided with a mounting end part 9.

In one embodiment, an inner measuring movable rod 10 is provided on one side of one end of the ruler frame 1 , and an outer measuring movable rod 11 is provided on the other side of the same end of the ruler frame 1 .

In one embodiment, one end of the ruler body 2 is provided with an inner measuring fixed rod 12 used in conjunction with the inner measuring movable rod 10 , and the other side of the same end of the ruler body 2 is provided with an inner measuring fixed rod 12 used in conjunction with the outer measuring movable rod 11 Externally measure the fixed rod 13.

In one embodiment, a locking screw 14 is provided in the middle of the upper side of the ruler frame 1 .

In one of the embodiments, the elastic part 7, the contact fixing part 8 and the mounting end part 9 of the copper strip 6 are integrally formed.

In one embodiment, an LCD display screen (not shown) is provided on the front side of the ruler frame 1 .

In one embodiment, the structural design principle of the built-in spring leaf anti-backlash structure caliper is: it is provided with a ruler body receiving groove 3 on the front side of the ruler frame 1 that can penetrate the ruler frame 1 and accommodate the ruler body 2 , so that the ruler body 2 can slide in the ruler frame 1; it is also provided with a copper bar accommodation groove 4 above the ruler body accommodation groove 3, and copper bar installation grooves 5 are respectively provided at both ends of the copper bar accommodation groove 4 , when the copper bar 6 is installed in the copper bar receiving groove 4, the installation ends 9 at both ends of the copper bar 6 are respectively installed into the two copper bar installation grooves 5 located at the left and right ends of the copper bar receiving groove 4. The copper bar is installed The structural design of the slot 5 and the copper strip receiving slot 4 can fix the receiving of the copper strip 6 so that the copper strip 6 will not loosen and fall off. By designing the structure and shape of the copper bar 6, the copper bar 6 can conflict with the ruler body 2 through the conflicting fixing part 8.

When the elastic part 7 is provided in the structure of the copper bar, the user can compress the elastic part 7 of the copper bar 6 by rotating the locking screw 14 in the forward direction, so that the user can press the elastic part 7 of the copper bar 6 by rotating the locking screw 14. Perform compression with different degrees of tightness to achieve compression of the ruler body 2 . By arranging two conflicting fixing parts 8 in the copper bar 6, the two conflicting fixing parts 8 can balance the ruler body 2 and the ruler frame 1, and lock the ruler frame 1 on the ruler body 2. This The ruler frame 1 will not sway left and right even if it is touched, so that the ruler frame 1 will not shift on the ruler body 2, thereby improving the accuracy of the measurement results. When the elastic part 7 in the copper bar 6 is deformed by the pressure of the locking screw 14, the locking screw 14 cannot pass through the copper bar 6 because the elastic part 7 in the copper bar 6 is not in contact with the ruler body 2. The elastic part 7 acts on the ruler body 2 so that the ruler body 2 will not be damaged due to pressure deformation, which effectively avoids the deformation and damage of the ruler body 2 to ensure high measurement accuracy.

In another embodiment, the present invention also provides a built-in spring leaf anti-backlash structure caliper, which includes a ruler frame 1 and a ruler body 2; the ruler frame 1 includes a ruler body receiving groove 3 that can be penetrated by the ruler body 2. A copper bar receiving groove 4 is provided on the top of the body receiving groove 3, and copper bar mounting grooves 5 are respectively provided at both ends of the copper bar receiving groove 4. A copper bar 6 is installed in the copper bar installing groove 5; the copper bar 6 includes a conflicting fixing part. 8. Mounting end portions 9 are respectively provided at both ends of the collision fixing portion 8 . The collision fixing part 8 and the installation end part 9 of the copper strip 6 are integrally formed. By arranging the conflicting and fixing part 8 of the copper bar 6 into a flat-bottomed structure, when the user rotates the locking screw 14 downward, the locking screw 14 can press the conflicting and fixing part 8 of the copper bar 6 so that the friction and fixing of the copper bar 6 is achieved. The portion 8 can be in parallel contact with the upper surface of the ruler body 2, so that the ruler frame 1 can be locked on the ruler body 2, thereby preventing the ruler frame 1 from swinging left and right.

In any embodiment, the built-in spring leaf anti-backlash structure caliper can be equipped with an LCD display on the front side of the ruler body 2 according to production needs to be assembled with the ruler frame 1 to improve the sealing of the ruler frame 1. This makes it play a dust-proof role to a certain extent, so as to reduce dust particles from adhering to the ruler body 2 and affecting the sliding of the ruler frame 1 on the ruler body 2 . Its overall structural design has the advantages of high measurement accuracy, smooth sliding of the ruler frame 1 and the ruler body 2, easy use and strong practicability, and effectively solves the problem that the ruler frame 1 in the traditional structure of the vernier caliper is easily touched when touched. There are problems such as left and right swinging and the deviation of the ruler frame 1 on the ruler body 2, which affects the accuracy of the measurement results.

The above embodiment is only an example of the present utility model and is not used to limit the implementation and scope of rights of the present utility model. All technical solutions that are the same or equivalent to those described in the claims of the present utility model shall be included in the present utility model. within the scope of protection.

Claims (8)

1. A caliper with a built-in spring leaf anti-backlash structure, which is characterized by: including a ruler frame and a ruler body. The middle part of the ruler frame is provided with a ruler body receiving groove for the ruler body to penetrate. The ruler body is provided with a copper caliper on the upper surface of the ruler body receiving groove. The copper bar receiving groove is provided with a copper bar installation groove at both ends of the copper bar holding groove, and the copper bar is installed in the copper bar installation groove; the copper bar includes an elastic part, and the two ends of the elastic part are respectively provided with a conflicting fixing part, and each conflicting part A mounting end is provided on one side of the fixing part. 2. A caliper with a built-in spring leaf anti-backlash structure, which is characterized by: including a ruler frame and a ruler body. The middle part of the ruler frame is provided with a ruler body receiving groove for the ruler body to penetrate, and a copper ruler body is provided above the ruler body receiving groove. The copper bar receiving groove is provided with a copper bar installation groove at both ends of the copper bar receiving groove, and the copper bar is installed in the copper bar installation groove; the copper bar includes a conflicting fixing part, and the two ends of the conflicting fixing part are respectively provided with installation ends. 3. A built-in spring leaf anti-backlash structure caliper according to any one of claims 1 or 2, characterized in that: one side of one end of the ruler frame is provided with an internal measuring movable rod, and the other side of the same end of the ruler frame An external measuring movable rod is provided. 4. A built-in spring leaf anti-backlash structure caliper according to claim 3, characterized in that: one end of the ruler body is provided with an inner measuring fixed rod used in conjunction with the inner measuring movable rod, and the inner measuring fixed rod is provided at the same end of the ruler body. The other side is provided with an external measuring fixed rod used in conjunction with the external measuring movable rod. 5. A built-in spring leaf anti-backlash structure caliper according to any one of claims 1 or 2, characterized in that: a locking screw is provided in the middle of the upper side of the ruler frame. 6. A caliper with a built-in spring leaf anti-backlash structure according to claim 1, characterized in that: the elastic part, the conflicting fixed part and the installation end part of the copper strip are integrally formed. 7. A caliper with a built-in spring leaf anti-backlash structure according to claim 2, characterized in that: the friction fixing part and the installation end part of the copper strip are integrally formed. 8. A built-in spring leaf anti-backlash structure caliper according to any one of claims 1 or 2, characterized in that: an LCD display screen is provided on the front side of the ruler frame.