CN209831381U - Eccentric pressing measurement jig - Google Patents

Abstract

The utility model discloses an eccentric measuring tool that compresses tightly, which comprises a mainboard, first eccentric wheel, the second eccentric wheel, pressing plates, first bayonet lock, second bayonet lock and pivot, the both sides at the mainboard are installed through the pivot to first eccentric wheel and second eccentric wheel, be equipped with arc hole and bayonet socket on the first eccentric wheel, the centre of a circle in arc hole does not coincide with the center of pivot, the bayonet socket sets up the outward flange at first eccentric wheel, the one end and the bayonet socket in arc hole are linked together, the other end is closed, the structure of second eccentric wheel is the same with the structure of first eccentric wheel, the pressing plates is located the mainboard, the both sides at the pressing plates are installed respectively to first bayonet lock and second bayonet lock, first bayonet lock is corresponding with the bayonet socket of first eccentric wheel, the bayonet socket of second bayonet lock and second eccentric wheel is. The utility model discloses clamping easy operation can carry out the pressfitting to the product that awaits measuring fast, and the clamp plate atress is even, guarantees that the pressfitting levels, has improved measurement of efficiency and measurement rate of accuracy.

Description

Eccentric pressing measurement jig

Technical Field

The utility model belongs to the technical field of the measurement tool design and specifically relates to a measurement tool is compressed tightly to eccentric centre.

Background

When the product is measured at present, a product to be measured is placed on the positioning surface, the pressing plate is placed on the product to be measured, and the screw on the pressing plate is screwed down, so that the product to be measured is fixed between the pressing plate and the positioning plate, and the product is guaranteed to be clamped smoothly. This clamping method has the following disadvantages: in order to ensure the clamping smoothness, more screws are needed on the pressing plate, the effect can be achieved only when the screws are uniformly distributed, otherwise, the to-be-tested product is not uniformly stressed, and the clamping smoothness cannot be ensured; in order to ensure the pressing effect of the pressing plate, the pressing plate needs to be pre-locked in multiple times, the clamping process is complicated, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an eccentric measuring tool that compresses tightly, the pressfitting application of force is even, and the pressfitting levels, and clamping easy operation can improve measurement rate of accuracy and measurement of efficiency.

According to the utility model discloses an aspect provides an eccentric measuring tool that compresses tightly, a serial communication port, which comprises a mainboard, first eccentric wheel, the second eccentric wheel, a pressing plate, first bayonet lock, second bayonet lock and pivot, the both sides at the mainboard are installed through the pivot to first eccentric wheel and second eccentric wheel, be equipped with arc hole and bayonet socket on the first eccentric wheel, the centre of a circle in arc hole does not coincide with the center of pivot, the bayonet socket sets up the outward flange at first eccentric wheel, the one end in arc hole is linked together with the bayonet socket, the other end is closed, the structure of second eccentric wheel is the same with the structure of first eccentric wheel, the clamp plate is located the mainboard, the both sides at the clamp plate are installed respectively to first bayonet lock and second bayonet lock, first bayonet lock is corresponding with the bayonet socket of first eccentric wheel, the bayonet socket of second bayonet lock and second eccentric.

The utility model has the advantages that: the product that awaits measuring is placed on the mainboard, the clamp plate is placed on the product that awaits measuring, clamp plate and mainboard play the effect of fixed centre gripping to the product that awaits measuring, first bayonet lock and second bayonet lock correspond respectively in the bayonet lock of first eccentric wheel and second eccentric wheel, first eccentric wheel and the second eccentric wheel of rotatory mainboard both sides, first eccentric wheel and second eccentric wheel revolve the rotation of axes, the arc hole removes, block first bayonet lock and second bayonet lock respectively until the closed end in arc hole, first eccentric wheel and second eccentric wheel stall. The first eccentric wheel and the second eccentric wheel apply downward pressure to the pressing plate, so that the pressing plate is stressed uniformly, and meanwhile, the to-be-measured product is pressed flatly, and subsequent measurement operation is facilitated. The utility model discloses clamping easy operation can carry out the pressfitting to the product that awaits measuring fast, and the clamp plate atress is even, guarantees that the pressfitting levels, has improved measurement of efficiency and measurement rate of accuracy.

In some embodiments, the main board is provided with a positioning groove, and the positioning groove is matched with the shape of the product to be tested. The product to be measured is placed in the constant head tank, and the constant head tank plays location, fixed ground effect to the product to be measured, avoids at the pressfitting in-process, and the product to be measured takes place to remove, leads to the product to be measured atress uneven, and influences measuring result's accuracy.

In some embodiments, the utility model discloses still include the locating pin, the locating pin is installed on the mainboard, and the clamp plate is equipped with the locating pin hole, and the position and the shape and the locating pin phase-match of locating pin hole. The clamp plate is placed on the mainboard, and the locating pin inserts in the locating pin hole, and the locating pin is fixed with the clamp plate, avoids the clamp plate at the pressfitting in-process, takes place the displacement, and leads to the pressfitting unevenness.

In some embodiments, there are two positioning pins, two positioning pins are bilaterally symmetrical, two positioning pin holes are bilaterally symmetrical, and two positioning pins and two positioning pin holes correspond to each other one by one. Two locating pins can be fixed the clamp plate in the left and right sides simultaneously, guarantee that the clamp plate application of force is even, improve the planarization of pressfitting.

In some embodiments, the utility model discloses still include first commentaries on classics lid and second commentaries on classics lid, first commentaries on classics lid is installed on first eccentric wheel, and the size, the shape of first commentaries on classics lid all match with first eccentric wheel, and the second commentaries on classics lid is installed on the second eccentric wheel, and the size, the shape of second commentaries on classics lid all match with the second eccentric wheel. First commentaries on classics lid and second change the lid and pass through the screw one-to-one and install on first eccentric wheel and second eccentric wheel, the rigidity intensity of first eccentric wheel and second eccentric wheel is not enough, when rotatory first eccentric wheel and second eccentric wheel, the arc hole removes, the outside circular arc part in arc hole compresses tightly first bayonet lock and second bayonet lock downwards, first bayonet lock and second bayonet lock can apply ascending effort for the arc hole, the outside circular arc part in arc hole is yielding, can directly influence its effect that compresses tightly to the clamp plate. The first rotating cover and the second rotating cover can increase the strength of the first eccentric wheel and the second eccentric wheel, prolong the service life of the first rotating cover and the second rotating cover, and ensure that the pressing plate is pressed downwards to form a product to be tested under the action of the first eccentric wheel and the second eccentric wheel.

In some embodiments, the utility model discloses still include the mount, the mount is equipped with first supporting part, support column and second supporting part, and first supporting part parallels with the mainboard, and the second supporting part parallels with the mainboard, and first supporting part is mutually perpendicular with the support column, and the second supporting part is mutually perpendicular with the support column, second supporting part and mainboard fixed connection. The first supporting part plays the effect of fixed stay, has guaranteed the equilibrium and the stability of whole measurement tool, and the support column guarantees that the eccentric wheel has sufficient rotation space, and the mainboard passes through the bolt to be installed on the second supporting part, and the second supporting part plays the effect of fixed stay to the mainboard.

In some embodiments, there are two holders, and the two holders are bilaterally symmetrical. Two mount bilateral symmetry guarantee the stability of mainboard, make the product pressfitting in-process that awaits measuring, the atress is even, guarantees the planarization of pressfitting.

Drawings

Fig. 1 is a front view of an eccentric compression measuring jig according to an embodiment of the present invention.

Fig. 2 is a top view of the eccentric pressing measuring jig according to an embodiment of the present invention.

Fig. 3 is a front view of the positioning pin, the main board, the first eccentric wheel, the second eccentric wheel, the rotating shaft and the fixing frame of the eccentric pressing measuring jig of an embodiment of the present invention.

Fig. 4 is a top view of the positioning groove, the main board, the rotating shaft, the first eccentric wheel, the second eccentric wheel and the fixing frame of the eccentric pressing measuring jig according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of an eccentric pressing measuring jig according to another embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1

Referring to fig. 1-4, the eccentric pressing measuring jig of the present invention, the main board 1 is fixed on the two second supporting portions 83 by bolts, and the two fixing portions 8 play a role of fixing and supporting the main board 1, so as to ensure the stability in the pressing process. First eccentric wheel 2 and second eccentric wheel 9 are installed on the both sides of mainboard 1 through pivot 5, and the product that will await measuring is put into mainboard 1's constant head tank 11 in, and the product that awaits measuring can be fixed to constant head tank 11, prevents that the product that awaits measuring from taking place the displacement at the pressfitting in-process.

The positions of the first eccentric wheel 2 and the second eccentric wheel 9 are adjusted to enable the bayonet 22 of the first eccentric wheel 2 to correspond to the position of the first bayonet 4 of the pressing plate 3, the bayonet 22 of the second eccentric wheel 9 to correspond to the position of the second bayonet 10 of the pressing plate 3, the pressing plate 3 is placed on the main board 1 and a product to be tested, two positioning pins 6 on the main board 1 and two positioning pin holes 31 of the pressing plate 3 are in one-to-one correspondence and are inserted, the first bayonet 4 of the pressing plate 3 is located in the bayonet 22 of the first eccentric wheel 2, and the second bayonet 10 is located in the bayonet 22 of the second eccentric wheel 9. The positioning pin 6 is inserted into the positioning pin hole 31, so that the pressing plate 3 can be fixed, the pressing plate 3 is prevented from moving in the pressing process, the pressing stress is prevented from being uneven, and the pressing unevenness is avoided.

The first eccentric wheel 2 and the second eccentric wheel 9 are rotated, the first eccentric wheel 2 and the second eccentric wheel 9 rotate around the rotating shaft 5, the two arc-shaped holes 21 rotate until the two closed ends 211 respectively clamp the first clamping pin 4 and the second clamping pin 10, and the first eccentric wheel 2 and the second eccentric wheel 9 stop rotating. At this moment, first eccentric wheel 2 and second eccentric wheel 9 are located the both sides of clamp plate 3, apply decurrent pressure to clamp plate 3 simultaneously, clamp plate 3 makes the product and the mainboard 1 that awaits measuring receive even decurrent pressure, two mounts 8 are placed on the plane or are installed on machinery, two mounts 8 provide ascending holding power to mainboard 1 and the product that awaits measuring, under the effect of decurrent pressure and ascending holding power, the product that awaits measuring is tightly pressfitting by clamp plate 3 and mainboard 1, guarantee that the product pressfitting that awaits measuring is smooth, be convenient for subsequent measurement operation, guarantee measuring accuracy, and the measuring efficiency is improved.

Example 2

Referring to fig. 1-5, the embodiment 2 is added with a first rotating cover 7 and a second rotating cover 12 on the basis of the embodiment 1, the first rotating cover 7 is mounted on the first eccentric wheel 2 through screws, the second rotating cover 12 is mounted on the second eccentric wheel 9 through screws, the size and the shape of the first rotating cover 7 are matched with those of the first eccentric wheel 2, and the size and the shape of the second rotating cover 12 are matched with those of the second eccentric wheel 9. First commentaries on classics lid 7 and second commentaries on classics lid 12 can strengthen the intensity of first eccentric wheel 2 and second eccentric wheel 9, rotates the in-process at arc hole 21, and first commentaries on classics lid 7 and second commentaries on classics lid 12 can prevent that arc hole 21 from warping, guarantees clamp plate 3 and the product that awaits measuring of pressfitting downwards under the effect of first eccentric wheel 2 and second eccentric wheel 9, can improve the utility model discloses a life.

This example 2 was used in the same manner as in example 1 above.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (7)

1. Eccentric pressing measurement jig, which is characterized by comprising a main board (1), a first eccentric wheel (2), a second eccentric wheel (9), a pressing plate (3), a first clamping pin (4), a second clamping pin (10) and a rotating shaft (5), wherein the first eccentric wheel (2) and the second eccentric wheel (9) are installed on two sides of the main board (1) through the rotating shaft (5), an arc hole (21) and a clamping opening (22) are arranged on the first eccentric wheel (2), the center of the arc hole (21) is not overlapped with the center of the rotating shaft (5), the clamping opening (22) is arranged on the outer edge of the first eccentric wheel (2), one end of the arc hole (21) is communicated with the clamping opening (22), the other end of the arc hole is closed, the structure of the second eccentric wheel (9) is the same as that of the first eccentric wheel (2), the pressing plate (3) is positioned on the main board (1), the first clamping pin (4) and the second clamping pin (10) are respectively installed on two sides of the pressing plate (3, the first clamping pin (4) corresponds to a clamping opening (22) of the first eccentric wheel, and the second clamping pin (10) corresponds to a clamping opening (22) of the second eccentric wheel (9).

2. The eccentric pressing measurement jig according to claim 1, wherein the main board (1) is provided with a positioning groove (11), and the positioning groove (11) is matched with the shape of the product to be measured.

3. The eccentric compaction measurement jig according to claim 1, characterized by further comprising a positioning pin (6), wherein the positioning pin (6) is installed on the main plate (1), the pressing plate (3) is provided with a positioning pin hole (31), and the position and the shape of the positioning pin hole (31) are matched with those of the positioning pin (6).

4. The eccentric compaction measurement jig according to claim 3, wherein the number of the positioning pins (6) is two, the two positioning pins (6) are bilaterally symmetrical, the number of the positioning pin holes (31) is two, the two positioning pin holes (31) are bilaterally symmetrical, and the two positioning pins (6) correspond to the two positioning pin holes (31) one by one.

5. The eccentric compaction measurement jig according to claim 1, characterized by further comprising a first rotating cover (7) and a second rotating cover (12), wherein the first rotating cover (7) is installed on the first eccentric wheel (2), the size and the shape of the first rotating cover (7) are matched with those of the first eccentric wheel (2), the second rotating cover (12) is installed on the second eccentric wheel (9), and the size and the shape of the second rotating cover (12) are matched with those of the second eccentric wheel (9).

6. The eccentric pressing measurement jig according to claim 1, further comprising a fixing frame (8), wherein the fixing frame (8) is provided with a first supporting portion (81), a supporting column (82) and a second supporting portion (83), the first supporting portion (81) is parallel to the main board (1), the second supporting portion (83) is parallel to the main board (1), the first supporting portion (81) is perpendicular to the supporting column (82), the second supporting portion (83) is perpendicular to the supporting column (82), and the second supporting portion (83) is fixedly connected with the main board (1).

7. The eccentric pressing measuring jig according to claim 6, wherein the number of the fixing frames (8) is two, and the two fixing frames (8) are bilaterally symmetrical.