CN207423041U - Slide calliper rule inside dimension detects auxiliary device - Google Patents

Abstract

The utility model discloses an auxiliary device for detecting inner dimensions of a caliper, which comprises: a first standard measuring block, two second standard measuring blocks respectively arranged at both ends of the first standard measuring block, respectively inserted in the first standard measuring block Two gauge block attachments and two gauge block clamp assemblies to the second standard gauge block. Wherein, the tops of the two gauge block accessories are higher than the first standard gauge block and the second standard gauge block; one of the gauge block clamping components is used to clamp the first standard gauge block, a second standard gauge block and the A gauge block attachment between a standard gauge block and the second standard gauge block, another gauge block clamping assembly is used to clamp the first standard gauge block, another second standard gauge block and is located between the first standard gauge block and the second standard gauge block A gauge block attachment between the second standard gauge block; the distance between the two gauge block attachments can be adjusted. The auxiliary device for detecting inner dimensions of the caliper can detect different inner dimensions of the caliper, and is simple to operate, convenient to carry, and reliable in measurement results.

Description

Auxiliary device for measuring inner dimensions of the caliper

technical field

The utility model relates to the technical field of detection, in particular to an auxiliary device for detecting inner dimensions of a caliper.

Background technique

The caliper is a commonly used inspection tool. At present, the calibration accuracy of the caliper is very high, and the usage rate is very high. After the caliper is used for a period of time, there may be an error between the standard value. If such a caliper continues to be used, it will lead to measurement Inaccurate, resulting in certain economic losses. In order to ensure the accuracy of the caliper measurement, the caliper needs to be calibrated.

JJG 34-2012 Verification Regulations for General Calipers stipulates that the verification method of the indication error of the inner measuring jaw of the knife edge is consistent with the verification method of the indication error of the outer measuring jaw. A method for calibrating the indication error of an inner groove caliper, the caliper is calibrated through a gauge block and a gauge block attachment, the measuring surface of the inner groove caliper is in contact with the surface of the gauge block attachment, the measured value of the caliper and the distance between the surface of the gauge block attachment The difference between the gauge blocks is the indication error of the gauge jaws inside the knife edge.

However, the existing caliper internal size detection equipment is relatively large, the equipment cost is high, it is not easy to carry, and cannot meet the on-site inspection; and the range is limited, it cannot cover the detection of the internal size of the caliper of various sizes, and cannot meet the customer's timeliness And the needs of special testing points.

Utility model content

The purpose of the utility model is to provide an auxiliary device for detecting inner dimensions of a caliper, which can detect different inner dimensions of a caliper, is easy to operate, is convenient to carry, and has reliable measurement results.

For this purpose, the utility model adopts the following technical solutions:

An auxiliary device for detecting the inner size of a caliper, comprising:

The first standard gauge block;

Two second standard gauge blocks, the two second standard gauge blocks are respectively arranged at both ends of the first standard gauge block;

Two gauge block accessories, the two gauge block accessories are respectively inserted between the first standard gauge block and the second standard gauge block, and the top ends of the two gauge block accessories are higher than the a first standard gauge block and said second standard gauge block;

Two gauge block clamping assemblies, wherein one of the gauge block clamping assemblies is used to clamp the first standard gauge block, one of the second standard gauge blocks and is located between the first standard gauge block and the The gauge block attachment between the second standard gauge blocks, the other gauge block clamping assembly is used to clamp the first standard gauge block, the other second standard gauge block and the second gauge block located at the first The gauge block attachment between the standard gauge block and the second standard gauge block; the distance between the two gauge block attachments can be adjusted.

Further, both of the gauge block clamping assemblies include:

The first splint and the second splint are respectively arranged on both sides of the attachment of the measuring block; the first splint is provided with a first through hole and a second elongated through hole; the second splint is provided with a third through hole hole and the elongated fourth through hole; the first through hole corresponds to the third through hole, and can be conducted through the fifth through hole provided on the first standard gauge block; the second through hole The through hole corresponds to the fourth through hole, and can be conducted through the sixth through hole opened on the second standard gauge block;

a positioning pin, the positioning pin penetrates through the first through hole, the fifth through hole and the third through hole;

A movable block, the movable block penetrates through the second through hole, the sixth through hole and the fourth through hole, and can move along the length direction of the second through hole and the fourth through hole move;

A locking assembly for locking the movable block and the first clamping plate and the second clamping plate.

Furthermore, the locking assembly includes two locking screws, one of which is connected to one end of the movable block after passing through the first splint in a direction perpendicular to the central axis of the movable block ; The other locking screw passes through the second splint in a direction perpendicular to the central axis of the movable block and is connected to the other end of the movable block.

Furthermore, two snap rings are coaxially sleeved on the outer peripheral side of the movable block; a boss is protruded inside the second through hole or the fourth through hole, and the boss is clamped on two between the snap rings.

Furthermore, the outer peripheral side of the movable block is coaxially provided with two annular locking grooves, and the two snap rings are respectively locked in the two annular locking grooves, and the outer surfaces of the two snap rings All protrude from the corresponding said annular slot.

Furthermore, the inner diameter of the sixth through hole matches the outer diameter of the movable block.

Further, the top section of the gauge block attachment is in the shape of an isosceles triangle.

Further, the two gauge block clamping assemblies are arranged symmetrically with respect to the center of the first standard gauge block.

Further, the length of the first standard gauge block is greater than or equal to 100mm.

The beneficial effects of the utility model are: the auxiliary device for measuring inner dimensions of the caliper of the utility model clamps the first standard gauge block, the two second standard gauge blocks, and the first standard gauge block through two gauge block clamping components There are two gauge block attachments between the gauge block and the second standard gauge block, and the distance between the two gauge block attachments can be adjusted, so that different caliper internal dimensions can be detected, easy to operate, easy to carry, and reliable measurement results .

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the caliper internal size detection auxiliary device provided by the utility model;

Fig. 2 is a schematic diagram of the exploded structure of the caliper internal size detection auxiliary device provided by the utility model;

Fig. 3 is a schematic structural view of the first splint in Fig. 2;

Fig. 4 is a schematic structural diagram of the second splint in Fig. 2 .

In the figure: 10-first standard gauge block; 11-fifth through hole; 20-gauge block attachment; 30-second standard gauge block; 31-sixth through hole; 40-gauge block clamping assembly; 41-the first A splint; 411-first through hole; 412-second through hole; 413-first through hole; 42-second splint; 421-third through hole; 422-fourth through hole; 423-second through hole ; 424-boss; 43-locating pin; 44-movable block; 45-lock screw; 46-clip.

Detailed ways

The technical scheme of the utility model will be further described below in conjunction with the accompanying drawings and through specific embodiments.

As shown in Figures 1 to 4, a caliper internal size detection auxiliary device includes: a first standard gauge block 10, two second standard gauge blocks 30, two gauge block attachments 20 and two gauge block clamping assemblies 40 . Wherein, two second standard gauge blocks 30 are respectively arranged at the two ends of the first standard gauge block 10; two gauge block attachments 20 are respectively inserted between the first standard gauge block 10 and the second standard gauge block 30, and The tops of the two gauge block attachments 20 are higher than the first standard gauge block 10 and the second standard gauge block 30; one of the gauge block clamping components 40 is used to clamp the first standard gauge block 10, a second standard gauge block 30 and the gauge block attachment 20 between the first standard gauge block 10 and the second standard gauge block 30, another gauge block clamping assembly 40 is used to clamp the first standard gauge block 10, another second standard gauge A block 30 and a gauge block attachment 20 located between the first standard gauge block 10 and the second standard gauge block 30 ; the distance between the two gauge block attachments 20 can be adjusted.

The auxiliary device for detecting the inner size of the caliper of the utility model makes the inner measuring claws of the knife edge of the caliper contact the two measuring block attachments 20 respectively during detection, so as to detect whether the measurement of the caliper is accurate. Since the two gauge block attachments 20 are clamped between the first standard gauge block 10 and the second standard gauge block 30 by the gauge block clamping assembly 40, a dimension can be placed between the two gauge block attachments 20 as required. Different first standard gauge blocks 10 , or multiple first standard gauge blocks 10 , can satisfy the detection of the internal dimensions of calipers with different ranges, and are easy to operate, easy to carry, and reliable in measurement results.

Specifically, the two gauge block clamping assemblies 40 include: a first clamping plate 41 and a second clamping plate 42 respectively arranged on both sides of the gauge block attachment 20, a positioning pin 43, a movable block 44, and a locking movable block 44 and a The locking components of the first splint 41 and the second splint 42 . Wherein, the first splint 41 is provided with a first through hole 411 and a second elongated through hole 412; the second splint 42 is provided with a third through hole 421 and a elongated fourth through hole 422; the first through hole 411 corresponds to the third through hole 421, and can conduct through the fifth through hole 11 provided on the first standard gauge block 10; the second through hole 412 corresponds to the fourth through hole 422, and can pass through the second standard gauge block The sixth through hole 31 opened on 30 is connected; the positioning pin 43 passes through the first through hole 411 , the fifth through hole 11 and the third through hole 421 . The movable block 44 runs through the second through hole 412, the sixth through hole 31 and the fourth through hole 422, and the inner diameter of the sixth through hole 31 matches the outer diameter of the movable block 44; the second through hole 412 and the fourth through hole The hole 422 can guide the movable block 44 to move along the length direction of the second through hole 412 and the fourth through hole 422 . When detecting the inner dimensions of different calipers, by setting the first standard gauge block 10 of corresponding size or corresponding number between the two gauge block accessories 20, and then by adjusting the movable block 44 in the second through hole 412 and the fourth through hole 422, and lock the first standard gauge block 10, the second standard gauge block 30 and the gauge block attachment 20 between them through the locking assembly. In this way, the detection of different caliper internal dimensions can be realized, and the use is relatively convenient.

Further, the locking assembly includes two locking screws 45, wherein one locking screw 45 passes through the first splint 41 in a direction perpendicular to the central axis of the movable block 44 and is connected to one end of the movable block 44; the other locking screw 45 passes through the second splint 42 along a direction perpendicular to the central axis of the movable block 44 and is connected to the other end of the movable block 44 .

In order to realize the stable clamping between the first standard gauge block 10, the second standard gauge block 30 and the gauge block attachment 20, the first clamping plate 41 and the second clamping plate 42 are both designed to be L-shaped, and include long sides and short bars Side; the long side of the first splint 41 and the long side of the second splint 42 are all attached to the first standard gauge block 10 , the second standard gauge block 30 and the gauge block attachment 20 . Wherein, the first through hole 411 and the second through hole 412 are defined on the long side of the first splint 41 , and the first through hole 413 for the locking screw 45 is defined on the short side of the first splint 41 . The third through hole 421 and the fourth through hole 422 are defined on the long side of the second clamping plate 42 , and the second through hole 423 for the locking screw 45 is defined on the short side of the second clamping plate 42 .

In order to further improve the connection firmness between the first standard gauge block 10, the second standard gauge block 30 and the gauge block attachment 20, a boss 424 can be protruded in the second through hole 412 or the fourth through hole 422, and Two annular locking grooves are coaxially provided on the outer peripheral side of the movable block 44, and a snap ring 46 is clamped in each annular locking groove, and the outer surfaces of the two snap rings 46 extend out of the corresponding annular locking grooves. The distance between the two snap rings 46 matches the thickness of the boss 424 . During assembly, the boss 424 is clamped between the two snap rings 46 .

In order to measure the distance between two gauge block attachments 20 accurately, the top section of the gauge block attachment 20 can be an isosceles triangle.

In order to reduce the production cost and assembly difficulty of the auxiliary device for measuring the inner size of the caliper, the above two gauge block clamping assemblies 40 can be arranged symmetrically with respect to the center of the first standard gauge block 10 .

As a preferred embodiment of the present utility model, the length of the first standard gauge block 10 is greater than or equal to 100mm, and the caliper internal size detection auxiliary device is suitable for a caliper with a measuring range of more than 100 mm. Of course, the caliper internal size detection auxiliary device is also applicable to Calipers with a measuring range less than 100mm.

The technical principles of the present utility model have been described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the utility model, and cannot be construed as limiting the protection scope of the utility model in any way. Based on the explanations herein, those skilled in the art can think of other specific implementations of the present utility model without creative work, and these forms will all fall within the protection scope of the present utility model.

Claims (9)

1. a kind of slide calliper rule inside dimension detects auxiliary device, which is characterized in that including：

First standard gauge block (10)；

Two the second standard gauge blocks (30), two second standard gauge blocks (30) are respectively arranged at first standard gauge block (10) both ends；

Two measuring block accessories (20), two measuring block accessories (20) be inserted in respectively first standard gauge block (10) with it is described Between second standard gauge block (30), and the top of two measuring block accessories (20) is higher by first standard gauge block (10) And second standard gauge block (30)；

Two gauge block clamp assemblies (40), one of them described gauge block clamp assemblies (40) are used to clamp first standard gauge block (10), second standard gauge block (30) and positioned at first standard gauge block (10) and second standard gauge block (30) measuring block accessory (20) between, another described gauge block clamp assemblies (40) are used to clamp first standard gauge block (10), another described second standard gauge block (30) and positioned at first standard gauge block (10) and second standard gauge block (30) measuring block accessory (20) between；The distance between two described measuring block accessories (20) can be adjusted.

2. slide calliper rule inside dimension according to claim 1 detects auxiliary device, which is characterized in that two gauge block clamping groups Part (40) includes：

It is divided into the first clamping plate (41) of the both sides of the measuring block accessory (20) and second clamping plate (42)；The first clamping plate (41) Offer the second through hole (412) of first through hole (411) and strip；The second clamping plate (42) offers third through-hole (421) and the fourth hole of strip (422)；The first through hole (411) is corresponding with the third through-hole (421), and can It is turned on by the fifth hole (11) opened up on first standard gauge block (10)；Second through hole (412) and the described 4th Through hole (422) is corresponding, and can be turned on by the 6th through hole (31) opened up on second standard gauge block (30)；

Positioning pin (43), the positioning pin (43) is through the first through hole (411), the fifth hole (11) and described In three through holes (421)；

Movable block (44), the movable block (44) is through second through hole (412), the 6th through hole (31) and described In four through holes (422), and it can be moved along the length direction of second through hole (412) and the fourth hole (422)；

For locking the movable block (44) and the latch assembly of the first clamping plate (41) and the second clamping plate (42).

3. slide calliper rule inside dimension according to claim 2 detects auxiliary device, which is characterized in that the latch assembly includes two A lock-screw (45), one of them direction of the lock-screw (45) along the central axis perpendicular to the movable block (44) It is connected through the one end of the first clamping plate (41) afterwards with the movable block (44)；Another described lock-screw (45) is along vertical It is another with the movable block (44) afterwards through the second clamping plate (42) in the direction of the central axis of the movable block (44) End connection.

4. slide calliper rule inside dimension according to claim 2 detects auxiliary device, which is characterized in that outside the movable block (44) Side coaxial sleeve is set there are two snap ring (46)；Boss is convexly equipped in second through hole (412) or the fourth hole (422) (424), the boss (424) is placed between two snap rings (46).

5. slide calliper rule inside dimension according to claim 4 detects auxiliary device, which is characterized in that outside the movable block (44) Side is coaxially opened up there are two annular slot, and two snap rings (46) are placed in respectively in two annular slots, and The lateral surface of two snap rings (46) stretches out the corresponding annular slot.

6. slide calliper rule inside dimension according to claim 2 detects auxiliary device, which is characterized in that the 6th through hole (31) Internal diameter and the outer diameter of the movable block (44) match.

7. slide calliper rule inside dimension according to claim 1 detects auxiliary device, which is characterized in that the measuring block accessory (20) Tip section is in isosceles triangle.

8. slide calliper rule inside dimension according to claim 1 detects auxiliary device, which is characterized in that two gauge block clamping groups Part (40) is symmetrical arranged compared with first standard gauge block (10).

9. slide calliper rule inside dimension according to claim 1 detects auxiliary device, which is characterized in that first standard gauge block (10) length is more than or equal to 100mm.