CN208860226U - A kind of electronic digital indicator of inner groove measurement - Google Patents

Abstract

The utility model relates to a kind of electronic digital indicators of inner groove in measurer field measurement, the electronic digital indicator of the main points of its technical scheme inner groove measurement, including main scale and digital display equipment, fixation measuring foot and activity measurement foot are installed on main scale, the sustained height of the extended line of the zero graduation line of fixation measuring foot and activity measurement foot is equipped with gauge head component, sliding slot is provided on fixation measuring foot and activity measurement foot, gauge head component includes sliding block and gauge head, sliding block and sliding slot sliding connect, one end of sliding slot opening is arranged in gauge head sliding, impeller is provided between sliding slot inner slide and gauge head, resetting apparatus has been arranged in a one-to-one correspondence between gauge head and fixation measuring foot and activity measurement foot, scale is equipped on fixation measuring foot and activity measurement foot.The electronic digital indicator of the inner groove measurement of the utility model realizes the flexible of gauge head, the scope of application for measuring cavity cylinder inner groove expands by design gauge head component and resetting apparatus.

Description

A kind of electronic digital indicator of inner groove measurement

Technical field

The utility model relates to the electronic digital indicators that measurer field more particularly to a kind of inner groove measure.

Background technique

Electronic digital indicator is the dimensional measuring instrument that measurement indicating value is shown with number, is a kind of measurement length, internal-and external diameter Instrument.

Notification number is that the Chinese patent of CN202255162U discloses a kind of digital-display internal groove caliper, including main scale and measurement Foot, measurement foot are divided into fixation measuring foot and activity measurement foot, are equipped with digital display equipment on main scale, the fixation measuring foot is vertical It is installed on main scale one end, activity measurement foot is installed vertically on the main scale back side.

The digital-display internal groove caliper measurement process is that measured object is stuck between fixation measuring foot and activity measurement foot, The graduated one side face gauger of main scale can show measurement numerical value by the setting of digital display equipment automatically.

The major defect of the digital-display internal groove caliper is the fixation measuring foot and activity measurement foot of the digital-display internal groove caliper Foot hook length fix, when need the diameter of the inner groove 5 of existing workpiece as shown in Figure 5 is measured when, can only be enough Measure the inner groove 5 suitable for slide calliper rule specification, when angle hooks shorter, cannot inner groove 5 to hollow cylinder and hollow cylinder it is straight The biggish hollow cylinder containing inner groove 5 of diameter difference measures；When angle hook is longer, not can enter in hollow cylinder, so wanting Realization needs the digital-display internal groove caliper of different size to measure when measuring to the inner groove 5 of different size, is applicable in model It encloses small.

Utility model content

The purpose of this utility model is to provide a kind of electronic digital indicators of inside groove measurement, have telescopic gauge head, The big advantage of the measurement range of inner groove.

The above-mentioned purpose of the utility model has the technical scheme that

A kind of electronic digital indicator of inner groove measurement, including main scale and the digital display equipment being mounted on main scale, the master Fixation measuring foot and activity measurement foot are installed, the fixation measuring foot is installed vertically on main scale one end, and the activity is surveyed on ruler Foot-measuring is installed vertically on the main scale back side and can slide along main scale, the zero graduation of the fixation measuring foot and the activity measurement foot The gauge head component for measuring inner groove diameter, the fixation measuring foot and work are provided on the sustained height of the extended line of line Arc-shaped sliding slot open at one end is provided on dynamic measurement foot, opening is set to fixation measuring foot and activity measurement foot is opposite From side, the gauge head component includes sliding block and gauge head, and the sliding block and sliding slot sliding connect, and the gauge head sliding setting exists One end of sliding slot opening, is provided with impeller between the sliding slot inner slide and gauge head, push sliding block to slide along the sliding slot and drive Impeller, which squeezes, speculates that head slides to far from sliding slot direction, one between the gauge head and the fixation measuring foot and the activity measurement foot One is correspondingly arranged on resetting apparatus, and the quarter of instruction gauge head moving distance is provided on the fixation measuring foot and activity measurement foot Degree.

By implementing above-mentioned technical proposal, fixation measuring foot and activity measurement foot are protruded into cavity cylinder to be measured, adjusted The position for saving fixation measuring foot and activity measurement foot, pushes sliding block to protrude into gauge head can in the inner groove of cavity cylinder, to gauge head It is contradicted with the side wall of inner groove, rotates the first positioning bolt, the first positioning bolt and sliding slot bottom wall contradict, and sliding block clamping carries out Reading after the completion of reading, rotates the first positioning bolt, and resetting apparatus drives gauge head move to close to sliding slot direction, to gauge head and Fixation measuring foot and activity measurement hem facing are closed, and sliding block resets；Telescopic gauge head, make cavity cylinder inner groove measurement range and The scope of application expands.

The utility model is further arranged to, and the first caging bolt pushed against with sliding slot is provided with across the sliding block.

By implementing above-mentioned technical proposal, the first caging bolt is rotated, the first caging bolt moves downward or upward, downwards When movement, the first caging bolt pushes against sliding slot bottom wall, and sliding block limit moves upwards when separating with sliding slot bottom wall, pushes sliding block, sliding Block can slide along the chute；First caging bolt main function is limitation sliding block sliding, convenient for reading.

The utility model is further arranged to, and the sliding block section is in " work " type, and the two sides cavity of the sliding block, which is embedded in, to be slided The notch of slot.

By implementing above-mentioned technical proposal, sliding block is convenient for along the chute in the notch of the sliding block insertion sliding slot of " work " type in section Sliding, while guaranteeing during slide block movement without departing from sliding slot.

The utility model is further arranged to, and the sliding slot is provided with closing in block, the gauge head close to the end of gauge head One end in sliding slot is provided with the flaring boss that anti-limited slip block skids off sliding slot.

By implementing above-mentioned technical proposal, sliding block is pushed, sliding block slides along the chute, and gauge head is pushed to stretch out cunning in the horizontal direction Slot, when gauge head, which moves to flaring boss, to be bonded with the closing in block of sliding slot, gauge head slides onto range；It is flared boss and closing in The setting of block makes gauge head without departing from sliding slot, also guarantees the normal work of resetting apparatus.

The utility model is further arranged to, and the impeller is several balls being set in sliding slot, two neighboring rolling Pearl is inconsistent, and the ball at both ends is contacted with sliding block and gauge head respectively.

By implementing above-mentioned technical proposal, sliding block is pushed, several balls being in contact of slipper push move along the chute, roller Squeeze gauge head movement；Ball can make the stress of sliding block vertical direction be converted into the power of horizontal direction, so that gauge head is pushed to move, Facilitate the operation of operator.

The utility model is further arranged to, and is equipped with installation on the fixation measuring foot and activity measurement outside of foot wall The mounting hole on hole, fixation measuring foot and activity measurement foot is respectively positioned on the two sides of the sliding slot opening, the resetting apparatus Including the spring that one end is fixedly connected with mounting hole bottom wall, the spring other end is connect with the gauge head.

By implementing above-mentioned technical proposal, sliding block, slipper push ball moving are pushed, ball pushes gauge head movement, drives Spring elongation, after measurement, spring restores, and gauge head, ball and sliding block is driven to reset；The setting of spring make gauge head, ball and Sliding block energy normal reset, is measured next time.

The utility model is further arranged to, and side that the digital display equipment is connect with main scale is equipped with and slides along main scale Pulley.

By implementing above-mentioned technical proposal, promotion activity measures foot, and activity measurement foot slides along main scale, pulley driving digital display Device rolling；Pulley reduces the frictional force that digital display equipment slides along main scale, reduces the frictionally damage of main scale and digital display equipment.

The utility model is further arranged to, and the groove for main scale sliding is provided on the pulley.

By implementing above-mentioned technical proposal, the groove on idler wheel ensure that the guiding role in slipping.

In conclusion the utility model has the following beneficial effects:

One, by design gauge head component, realizing the vernier caliper can measure the inner groove diameter of cavity cylinder, expand The scope of application of cavity cylinder inner groove measurement.

Two, by design resetting apparatus, the scalable of gauge head is realized, ensure that gauge head, ball and sliding block can be normal It resets, convenient for measuring next time.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model embodiment.

Fig. 2 is the partial structural diagram of the utility model embodiment.

Fig. 3 is the structural schematic diagram of the gauge head component of the utility model embodiment.

Fig. 4 is the structural schematic diagram of the activity measurement foot of the utility model embodiment.

Fig. 5 is the cross-sectional view of the determinand with inner groove in the prior art.

Appended drawing reference: 1, main scale；11, pulley；2, digital display equipment；21, the second caging bolt；3, fixation measuring foot；31, living Dynamic measurement foot；32, sliding slot；33, closing in block；34, mounting hole；341, spring；4, gauge head component；41, gauge head；411, it is flared convex Platform；42, ball；43, sliding block；431, blaze；44, the first caging bolt；5, inner groove.

Specific embodiment

Below in conjunction with attached drawing, the technical solution of the utility model embodiment is described.

As shown in Figure 1, a kind of electronic digital indicator of inner groove measurement, the digital display including installing on main scale 1 and main scale 1 are set Standby 2, the junction of 2 lower right of digital display equipment and main scale 1 is equipped with pulley 11, and digital display equipment 2 passes through the installation of the second caging bolt 21 In on main scale 1, digital display equipment 2 can be moved along 1 length direction of main scale.

Fixation measuring foot 3 and activity measurement foot 31 are installed, fixation measuring foot 3 is installed vertically on 1 one end of main scale on main scale 1 And be fixedly connected on main scale 1, activity measurement foot 31 is installed vertically on 1 back side of main scale and can slide along main scale 1, fixation measuring Foot 3 and activity measure and are respectively provided with arc-shaped sliding slot 32 open at one end on foot 31, on fixation measuring foot 3 and activity measurement foot 31 The opening of sliding slot 32 is away from each other setting, and sliding slot 32 divides for vertical section, arc transition section and horizontal segment, fixation measuring foot 3 and activity The scale of instruction 41 moving distance of gauge head is provided on measurement foot 31, fixation measuring foot 3 and activity measure at the zero point of foot 31 It is provided with the gauge head component 4 of 5 diameter of inner groove for measuring cavity cylinder.

As shown in Fig. 2, gauge head component 4 includes sliding block 43 and gauge head 41, sliding block 43 and the sliding of sliding slot 32 are connected, and gauge head 41 is sliding One end that the opening of sliding slot 32 is set is moved, is provided with impeller between 32 inner slide 43 of sliding slot and gauge head 41, sliding block 43 is passed through and is arranged There is the first caging bolt 44 pushed against with sliding slot 32,43 section of sliding block is in " work " type, and the cavity of 43 two sides of sliding block is embedded in sliding slot 32 Notch edges, the upper surface of sliding block 43 is provided with blaze 431；Be provided with impeller in sliding slot 32, impeller be it is several can edge Sliding slot 32 rolls and does not occur the ball 42 for generating inclination in sliding slot 32 or sliding, and two neighboring ball 42 is inconsistent, and two The ball 42 at end is contacted with sliding block 43 and gauge head 41 respectively, and pushing sliding block 43,32 slidings drive several balls 42 successively to squeeze along the chute Speculate that head 41 slides to far from 32 direction of sliding slot, is respectively arranged between gauge head 41 and fixation measuring foot 3 and activity measurement foot 31 multiple Position device.

As shown in figure 3 or 4, mounting hole 34, fixation measuring are equipped on fixation measuring foot 3 and activity measurement 31 lateral wall of foot Mounting hole 34 on foot 3 and activity measurement foot 31 is respectively positioned on the two sides that the sliding slot 32 is open, and resetting apparatus includes one end and peace The spring 341 that dress 34 bottom wall of hole is fixedly connected, 341 other end of spring are fixedly connected with gauge head 41, and spring 341 pulls survey under normal conditions First 41 are bonded and are contracted in mounting hole 34 just under normal conditions, sliding slot with the lateral wall of fixation measuring foot 3 and activity measurement foot 31 32 are provided with closing in block 33 close to the end of gauge head 41, and the through-hole passed through for spring 341 is offered on closing in block 33, close up Block 33 is provided with four pieces, and the sliding slot 32 that fixation measuring foot 3 and activity measure foot 31 is provided with two close to the end of gauge head 41 Block, bolt are each passed through the two sides that two pieces of closing in blocks 33 are fixed on mounting hole 34, and gauge head 41 is arranged in one end in sliding slot 32 There is anti-limited slip block 43 to skid off the flaring boss 411 of sliding slot 32.

The working principle of the utility model is: set the measured value of electronic digital indicator as X, the measurement of activity measurement foot 31 Value is A, and the measured value of fixation measuring foot 3 is B, and the spacing of two sides head is C when fixation measuring foot 3 is bonded with activity measurement foot 31.

When measuring the inner groove 5 of cavity cylinder, fixation measuring foot 3 and activity measurement foot 31 are protruded into cavity cylinder to be measured In, the length that fixation measuring foot 3 and activity measurement foot 31 protrude into is adjusted, until gauge head 41 can stretch to the inner groove 5 of cavity cylinder When, the first caging bolt 44 is rotated until the bolt head of the first caging bolt 44 is in sliding block 43 and pushes down on sliding block 43, is surveyed First 41 protrude into the inner groove 5 of cavity cylinder, until the two sidewalls of gauge head 41 and inner groove 5 contradict, rotate the first caging bolt 44, make First caging bolt 44 is contradicted with 32 bottom wall of sliding slot, 43 clamping of sliding block, and reading is on fixation measuring foot 3 and activity measurement foot 31 A+B+C is read if fixation measuring foot 3 and activity measurement foot 31 are opened as A+B+C+X, after the completion of reading, rotation the first limit spiral shell Bolt 44, spring 341 are replied, and gauge head 41 is driven to move to 32 direction of sliding slot, and gauge head 41 pushes ball 42 to roll, roller belt movable slider 43 slidings, gauge head component 4 reset.

When measuring the outer diameter or feature width to be measured of cavity cylinder, digital display equipment 2 is opened, when digital display 2 registration of equipment, rotation Second caging bolt 21 pushes digital display equipment 2 until the second caging bolt 21 is detached from 1 side wall of main scale, and drive activity measures 31 edge of foot Main scale 1 slides, until cavity cylinder to be measured or body to be measured can be placed between fixation measuring foot 3 and activity measurement foot 31, will fix Measurement foot 3 and activity measurement foot 31 slide onto the two sides of cavity cylinder or body to be measured, push digital display equipment 2, adjusting activity is surveyed Foot-measuring 31, until activity measurement foot 31 and cavity cylinder to be measured or body outer surface to be measured fitting, rotate the second caging bolt 21, until Second caging bolt 21 pushes against main scale 1, reads as X, after the completion of reading, the second caging bolt 21 is rotated, until the second caging bolt 21 are detached from 1 side wall of main scale, push digital display equipment 2 to 3 direction of fixation measuring foot, until fixation measuring foot 3 is supported with activity measurement foot 31 Touching rotates the second caging bolt 21, until the second caging bolt 21 pushes against main scale 1.

When measuring the internal diameter of cavity cylinder, digital display equipment 2 is opened, when digital display 2 registration of equipment, rotates the second caging bolt 21, until the second caging bolt 21 is detached from 1 side wall of main scale, digital display equipment 2 is pushed, drive activity measures foot 31 and slides along main scale 1, will The upper measurement foot of fixation measuring foot 3 and the upper measurement foot of activity measurement foot 31 stretch in the cavity of cavity cylinder, push digital display Equipment 2, adjusting activity measure the upper measurement foot of foot 31, until the upper measurement foot and cavity cylinder cavity table to be measured of activity measurement foot 31 Face paste is closed, and the second caging bolt 21 is rotated, until the second caging bolt 21 pushes against main scale 1, takes out the digital display vernier of inner groove measurement Slide calliper rule read as X, after the completion of reading, rotate the second caging bolt 21, until the second caging bolt 21 is detached from 1 side wall of main scale, Xiang Gu Surely measurement 3 direction of foot pushes digital display equipment 2, until fixation measuring foot 3 and activity measurement foot 31 contradict, rotates the second caging bolt 21, until the second caging bolt 21 pushes against main scale 1.

When measuring the cavity depth of cavity body, digital display equipment 2 is opened, when digital display 2 registration of equipment, rotation the second limit spiral shell Bolt 21 pushes digital display equipment 2 until the second caging bolt 21 is detached from 1 side wall of main scale, and drive activity measures foot 31 and slides along main scale 1, What activity measurement 31 drive activity of foot measurement foot 31 connected is located at 1 bottom surface of main scale and carries out along the auxiliary ruler that 1 bottom surface slot of main scale slides Sliding rotates the second caging bolt 21, until the second caging bolt until the cavity bottom wall of auxiliary ruler one end and cavity body to be measured contradicts 21 push against main scales 1, take out the electronic digital indicator of inner groove measurement, read as X, after the completion of reading, rotate the second caging bolt 21, until the second caging bolt 21 is detached from 1 side wall of main scale, digital display equipment 2 is pushed to 3 direction of fixation measuring foot, until fixation measuring foot 3 It is contradicted with activity measurement foot 31, rotates the second caging bolt 21, until the second caging bolt 21 pushes against main scale 1.

When correcting digital display equipment 2, digital display equipment 2 is opened, when the display of digital display equipment 2 is not 0 registration, presses reset key, number Aobvious equipment 2 is converted into 0 registration, carries out subsequent measurement.

Claims (8)

1. a kind of electronic digital indicator of inner groove measurement, including main scale (1) and the digital display equipment (2) being mounted on main scale (1), It is characterized in that, being equipped with fixation measuring foot (3) and activity measurement foot (31), the fixation measuring foot (3) on the main scale (1) It is installed vertically on main scale (1) one end, activity measurement foot (31) is installed vertically on main scale (1) back side and can be sliding along main scale (1) It moves, is respectively provided on the sustained height of the extended line of the zero graduation line of the fixation measuring foot (3) and activity measurement foot (31) There is the gauge head component (4) for measuring inner groove diameter, is provided in the fixation measuring foot (3) and activity measurement foot (31) Arc-shaped sliding slot (32) open at one end, opening is set to fixation measuring foot (3) and activity measures foot (31) are away from each other one Side, the gauge head component (4) include sliding block (43) and gauge head (41), and the sliding block (43) and sliding slot (32) sliding connect, described One end that gauge head (41) sliding setting is open in sliding slot (32), is provided between sliding slot (32) inner slide (43) and gauge head (41) Impeller pushes sliding block (43) to slide along the sliding slot (32) and impeller is driven to squeeze supposition head (41) to far from sliding slot (32) direction Reset has been arranged in a one-to-one correspondence between sliding, the gauge head (41) and the fixation measuring foot (3) and activity measurement foot (31) The scale of instruction gauge head (41) moving distance is provided in device, the fixation measuring foot (3) and activity measurement foot (31).

2. a kind of electronic digital indicator of inner groove measurement according to claim 1, which is characterized in that pass through the sliding block (43) it is provided with the first caging bolt (44) pushed against with sliding slot (32).

3. a kind of electronic digital indicator of inner groove measurement according to claim 1, which is characterized in that the sliding block (43) Section is in " work " type, the notch of two sides cavity insertion sliding slot (32) of the sliding block (43).

4. a kind of electronic digital indicator of inner groove measurement according to claim 1, which is characterized in that the sliding slot (32) End close to gauge head (41) is provided with closing in block (33), and the gauge head (41) is provided in one end in sliding slot (32) and prevents Sliding block (43) skids off the flaring boss (411) of sliding slot (32).

5. a kind of electronic digital indicator of inner groove measurement according to claim 4, which is characterized in that the impeller is Several balls (42) being set in sliding slot (32), two neighboring ball (42) is inconsistent, and the ball (42) at both ends respectively with Sliding block (43) and gauge head (41) contact.

6. a kind of electronic digital indicator of inner groove measurement according to claim 1, which is characterized in that the fixation measuring It is equipped with mounting hole (34) on foot (3) and activity measurement foot (31) lateral wall, on fixation measuring foot (3) and activity measurement foot (31) The mounting hole (34) be respectively positioned on the sliding slot (32) opening two sides, the resetting apparatus includes one end and mounting hole (34) The spring (341) that bottom wall is fixedly connected, spring (341) other end are connect with the gauge head (41).

7. a kind of electronic digital indicator of inner groove measurement according to claim 1, which is characterized in that the digital display is set The side that standby (2) are connect with main scale (1) is equipped with the pulley (11) slid along main scale (1).

8. a kind of electronic digital indicator of inner groove measurement according to claim 7, which is characterized in that the pulley (11) On be provided with for main scale (1) sliding groove.