CN213300997U

CN213300997U - Composite vernier caliper

Info

Publication number: CN213300997U
Application number: CN202022482948.9U
Authority: CN
Inventors: 龚超; 王晓进; 龚政
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-05-28
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a compound slide caliper, including main scale, interior measurement claw and outer measurement claw, sliding connection has the vernier scale on the main scale, the equal fixedly connected with fixed block in upper and lower both ends of main scale, smooth chamber and first draw-in groove have all been seted up on fixed block and the vernier scale, be provided with kelly, stopper and chucking spring in the smooth chamber. The utility model is provided with the clamping block, the clamping rod and the pulling block, the clamping block is clamped in the first clamping groove, and the clamping rod is clamped in the second clamping groove under the elastic action of the clamping spring, so that the clamping block is firmly clamped in the first clamping groove, and the inner measuring claw and the outer measuring claw are rapidly installed on the main scale and the vernier scale; the pulling draws the piece, and chucking spring contracts, and the kelly breaks away from the joint with the second draw-in groove, then extracts the draw-in groove with the fixture block to measure the claw and dismantle fast with outer measuring claw in will, thereby be convenient for accomodate slide caliper, practiced thrift the storage space greatly, it is more convenient to use.

Description

Composite vernier caliper

Technical Field

The utility model relates to a measuring tool technical field especially relates to a compound slide caliper.

Background

In the measuring instrument family of shape and color, the vernier caliper is an extension and expansion of a scribed line ruler as a widely used high-precision measuring tool, and is a measuring tool for measuring length, inner diameter, outer diameter and depth. The vernier caliper mainly comprises a main ruler and a vernier scale which is attached to the main ruler and can slide, wherein two pairs of movable measuring claws, namely an inner measuring claw and an outer measuring claw, are arranged on the main ruler and the vernier scale, the inner measuring claw is generally used for measuring the inner diameter, and the outer measuring claw is generally used for measuring the length and the outer diameter.

But current compound slide caliper, interior measuring claw and outer measuring claw are all fixed mounting on main scale and vernier, and when needs were accomodate compound slide caliper, because interior measuring claw and outer measuring claw can't be not convenient for dismantle get off, need occupy more space when leading to accomodating, use inconvenient.

Therefore, a composite vernier caliper is proposed to solve the above problems.

Disclosure of Invention

The utility model aims at solving the interior measuring claw among the prior art and all being fixed mounting on main scale and vernier with outer measuring claw, when needs are accomodate compound slide caliper, because interior measuring claw and the unable not convenient to detach of outer measuring claw get off, need occupy more space when leading to accomodating, awkward problem, and the compound slide caliper that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a compound slide caliper, includes main scale, interior measuring jaw and outer measuring jaw, sliding connection has the vernier scale on the main scale, the equal fixedly connected with fixed block in upper and lower both ends of main scale, smooth chamber and first draw-in groove have all been seted up on fixed block and the vernier scale, be provided with kelly, stopper and chucking spring in the smooth chamber, the joint has the fixture block in the first draw-in groove, interior measuring jaw and outer measuring jaw all with fixture block fixed connection, the kerve has all been seted up to the right-hand member of fixed block and the left end of vernier scale, be provided with the lacing wire in the kerve, the tank bottom inner wall of first draw-in groove is seted up flutedly, be provided with reset spring and reset plate in the recess.

Optionally, the number of the sliding cavities is four, two of the sliding cavities are symmetrically distributed on the vernier scale from top to bottom, and the clamping rod is connected to the vernier scale and the fixing block in a sliding mode.

Optionally, the lateral wall all seted up the slide opening about the smooth chamber, the both ends of kelly run through smooth chamber and slide opening in proper order, the one end of kelly extends to in the kerve, the second draw-in groove has been seted up to the one end of fixed block, the other end and the second draw-in groove joint of kelly.

Optionally, the limiting block is in interference fit with the clamping rod, the limiting block is connected in the sliding cavity in a sliding mode, and one end of the limiting block is fixedly connected with the clamping spring.

Optionally, the clamping spring is sleeved on the clamping rod, the other end of the clamping spring is fixedly connected with the inner wall of the sliding cavity, and the pulling block is of a rectangular structure.

Optionally, the shape size and the reset plate phase-match of recess, reset plate sliding connection is in the recess, reset spring's one end and reset plate fixed connection, reset spring's the other end and the tank bottom inner wall fixed connection of recess, it is a plurality of reset spring is even symmetric distribution on the reset plate.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model is provided with the clamping block, the clamping rod and the pulling block, the clamping block is clamped in the first clamping groove, and the clamping rod is clamped in the second clamping groove under the elastic action of the clamping spring, so that the clamping block is firmly clamped in the first clamping groove, and the inner measuring claw and the outer measuring claw are rapidly installed on the main scale and the vernier scale; the pulling draws the piece, and chucking spring contracts, and the kelly breaks away from the joint with the second draw-in groove, then extracts first draw-in groove with the fixture block to measure the claw and dismantle fast with outer measuring claw in with, thereby be convenient for accomodate slide caliper, practiced thrift the storage space greatly, it is more convenient to use.

2. The utility model discloses a set up reset plate, reset spring and recess, when measuring the claw internally and measuring the claw outward and dismantle, because reset spring's elastic action, reset plate produces thrust to the fixture block, releases first draw-in groove with the fixture block to make the interior dismantlement of measuring claw and measuring the claw outward labour saving and time saving more.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: the vernier caliper comprises a main scale 1, a vernier scale 2, a fixed block 3, an inner measuring claw 4, an outer measuring claw 5, a pulling block 6, a clamping spring 7, a clamping rod 8, a pulling groove 9, a limiting block 10, a sliding cavity 11, a clamping block 12, a second clamping groove 13, a sliding hole 14, a first clamping groove 15, a groove 16, a return spring 17 and a return plate 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a compound vernier caliper comprises a main scale 1, an inner measuring jaw 4 and an outer measuring jaw 5, wherein the main scale 1 is slidably connected with a vernier 2, the upper end and the lower end of the main scale 1 are fixedly connected with fixing blocks 3, a sliding cavity 11 and a first clamping groove 15 are formed in each of the fixing blocks 3 and the vernier 2, the number of the sliding cavities 11 is four, the two sliding cavities 11 are symmetrically distributed on the vernier 2 in the vertical direction, clamping rods 8, limiting blocks 10 and clamping springs 7 are arranged in the sliding cavities 11, clamping blocks 12 are clamped in the first clamping grooves 15, the inner measuring jaw 4 and the outer measuring jaw 5 are fixedly connected with the clamping blocks 12, pull grooves 9 are formed in the right end of the fixing blocks 3 and the left end of the vernier 2, and pull blocks 6 are arranged in the pull grooves 9.

Clamping bar 8 sliding connection is on vernier scale 2 and fixed block 3, and smooth hole 14 has all been seted up to the lateral wall about smooth chamber 11, and smooth chamber 11 and smooth hole 14 are run through in proper order at the both ends of clamping bar 8, and during clamping bar 8's one end extended to draw-in groove 9, second draw-in groove 13 has been seted up to the one end of fixed block 3, and clamping bar 8's the other end and the joint of second draw-in groove 13.

Stopper 10 interference fit is on kelly 8, stopper 10 sliding connection in smooth chamber 11, stopper 10's one end and chucking spring 7's fixed connection, and chucking spring 7 cover is established on kelly 8, and chucking spring 7's the other end and smooth 11 inner wall fixed connection in chamber draw piece 6 to be the rectangle structure.

A groove 16 is formed in the inner wall of the bottom of the first clamping groove 15, a reset spring 17 and a reset plate 18 are arranged in the groove 16, the shape and the size of the groove 16 are matched with those of the reset plate 18, and the reset plate 18 is connected in the groove 16 in a sliding mode.

One end of the reset spring 17 is fixedly connected with the reset plate 18, the other end of the reset spring 17 is fixedly connected with the inner wall of the groove bottom of the groove 16, and the reset springs 17 are uniformly and symmetrically distributed on the reset plate 18.

The working principle is as follows:

when the vernier scale is used, as shown in fig. 1, the fixture block 3 is clamped in the first clamping groove 15, under the elastic action of the clamping spring 7, the clamping rod 8 is clamped in the second clamping groove 13, so that the fixture block 3 is firmly clamped in the first clamping groove 15, the inner measuring jaw 4 and the outer measuring jaw 5 are quickly installed on the main scale 1 and the vernier scale 2, at the moment, the return spring 17 contracts, and the return plate 18 contracts into the groove 16; after the use, at first the pulling draws piece 6, chucking spring 7 contracts, and kelly 8 breaks away from the joint with second draw-in groove 13, and under reset spring 17's elastic action, reset plate 18 produces thrust to draw-in block 12, releases first draw-in groove 15 with draw-in block 12 to measuring claw 4 and outer measuring claw 5 dismantles fast in will, thereby is convenient for accomodate slide caliper, has practiced thrift the storage space greatly, and it is more convenient to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A composite vernier caliper comprises a main caliper (1), an inner measuring jaw (4) and an outer measuring jaw (5), and is characterized in that a vernier scale (2) is connected to the main caliper (1) in a sliding mode, fixed blocks (3) are fixedly connected to the upper end and the lower end of the main caliper (1), a sliding cavity (11) and a first clamping groove (15) are formed in each of the fixed blocks (3) and the vernier scale (2), a clamping rod (8), a limiting block (10) and a clamping spring (7) are arranged in each sliding cavity (11), a clamping block (12) is connected to each first clamping groove (15) in a clamping mode, the inner measuring jaw (4) and the outer measuring jaw (5) are fixedly connected with the clamping block (12), pull grooves (9) are formed in the right end of the fixed block (3) and the left end of the vernier scale (2), pull blocks (6) are arranged in the pull grooves (9), grooves (16) are formed in the inner wall of the bottom of each first clamping groove (15), a return spring (17) and a return plate (18) are arranged in the groove (16).

2. A composite vernier caliper as claimed in claim 1, wherein the number of said sliding chambers (11) is four, two of said sliding chambers (11) are symmetrically distributed up and down on the vernier (2), and said clamping bar (8) is slidably connected to the vernier (2) and the fixed block (3).

3. The composite vernier caliper is characterized in that sliding holes (14) are formed in the left side wall and the right side wall of the sliding cavity (11), two ends of the clamping rod (8) sequentially penetrate through the sliding cavity (11) and the sliding holes (14), one end of the clamping rod (8) extends into the pull groove (9), one end of the fixing block (3) is provided with a second clamping groove (13), and the other end of the clamping rod (8) is clamped with the second clamping groove (13).

4. A composite vernier caliper according to claim 3, wherein the limiting block (10) is fitted on the clamping rod (8) in an interference manner, the limiting block (10) is slidably connected in the sliding cavity (11), and one end of the limiting block (10) is fixedly connected with the clamping spring (7).

5. The composite vernier caliper according to claim 1, wherein the chucking spring (7) is sleeved on the chucking rod (8), the other end of the chucking spring (7) is fixedly connected with the inner wall of the sliding cavity (11), and the pulling block (6) is in a rectangular structure.

6. The composite vernier caliper according to claim 1, wherein the shape and size of the groove (16) are matched with those of a reset plate (18), the reset plate (18) is slidably connected in the groove (16), one end of the reset spring (17) is fixedly connected with the reset plate (18), the other end of the reset spring (17) is fixedly connected with the inner wall of the groove bottom of the groove (16), and the reset springs (17) are uniformly and symmetrically distributed on the reset plate (18).