CN205940321U - Vernier caliper - Google Patents

Abstract

The utility model discloses an enough avoid the vernier scale to take place the vernier caliper of great skew phenomenon in the measurement process to the work piece on the blade, including main scale and the vernier scale of sliding sleeve dress on the main scale, the main scale is equipped with interior measuring claw with the top symmetry of vernier scale, the main scale is equipped with the external measurement claw with the below symmetry of vernier scale, be equipped with the locking device that the control vernier scale slided and fixed on the vernier scale, the preceding looks contact segment with the vernier scale of main scale all is equipped with the scale mark, the main scale back is equipped with a plurality of slide groove, equal sliding button has inlayed the slider in the slide groove, be connected with the baffle of contradicting with the vernier scale between the slider, be equipped with the control baffle on the baffle at the main scale fixed fastener in the back.

Description

A kind of slide gauge

Technical field

This utility model is related to survey tool field, particularly to a kind of slide gauge.

Background technology

Slide gauge is a kind of measurement length, internal-and external diameter, the measurer of depth, so that slide gauge is enough when using Convenience and measure precisely, present slide gauge there has been multiple improvement projects.

As a kind of slide gauge for measuring chamfering disclosed on patent application text（Application number： 201610194535.6）, including blade and vernier cursor, below described blade and vernier cursor, it is symmetrically arranged with exterior measuring measuring jaw, blade Be symmetrically arranged with internal measure-hand above vernier cursor, vernier cursor is provided with clamping screw, to workpiece measurement use when, make Obtain workpiece to fit between internal measure-hand or exterior measuring measuring jaw and with the pawl wall of internal measure-hand or exterior measuring measuring jaw simultaneously, will lock again afterwards Tight bolt is tightened so that vernier cursor is fitted with blade, now achieves the fixation of vernier cursor position on blade it is possible to side Just reading scale, because the slide gauge that this is used for measuring chamfering is to realize swimming using the mode being screwed into locking of lock-screw Scale fixation of position on blade, when making workpiece be embedded between exterior measuring measuring jaw or internal measure-hand, needs handss Catch this slide gauge, another handss spare and turn lock-screw, rock it is easy to slide gauge in the process, Or workpiece departs from outside measuring jaw or the situation of internal measure-hand occurs, and now vernier cursor will occur larger skew on blade, Lead to process inconvenience and measurement data is inaccurate.

Utility model content

The purpose of this utility model be provide a kind of it can be avoided that vernier cursor in the measurement process to workpiece on blade There is the slide gauge of larger shift phenomenon.

Above-mentioned technical purpose of the present utility model technical scheme is that:A kind of slide gauge, bag Include the vernier cursor that main scale and sliding are sleeved on main scale, main scale is arranged with internal measure-hand, main scale and trip with the top of vernier cursor The lower section of scale is arranged with exterior measuring measuring jaw, and vernier cursor is provided with and controls vernier cursor sliding and fixing locking device, main scale Above it is equipped with graduation mark with the part that contacts of vernier cursor, the main scale back side is provided with some slide grooves, all slide in slide groove button It is embedded with slide block, between slide block, is connected with the baffle plate conflicted with vernier cursor, baffle plate is provided with what controlling baffle plate was fixed at the main scale back side Clamp device.

By adopting technique scheme, when measuring to workpiece, workpiece is placed on exterior measuring measuring jaw or interior measurement After between pawl, baffle plate is slid onto behind the place conflicted with vernier cursor, then baffle plate is realized in fixation herein by clamp device, Now can realize micro sliding in this position range for the vernier cursor, now again by micro on main scale to vernier cursor Adjust so that after the pawl wall of internal measure-hand or exterior measuring measuring jaw fully fits with workpiece, recycling locking device is carried out to vernier cursor Locking, hereafter can carry out the reading to workpiece size；Such setting is so that slip on blade for the vernier cursor First determine a position range close with workpiece size, afterwards in the trace regulation carrying out vernier cursor, in the process, you can After internal measure-hand or outside measuring jaw are fitted completely with workpiece, can avoid due to rocking or to the assurance of slide gauge not Surely lead to larger position skew on main scale for the vernier cursor, thus leading to that measurement process is inconvenient and measurement result is inaccurate existing As.

This utility model is arranged further：Side in described slide groove is equipped with cushion, is equipped with described slide block Cavity, described slide block is equipped with, near a surface of cushion, the breach communicating with cavity, and described clamp device includes latch segment The rotational structure moved with control latch segment, described latch segment is arranged at indentation, there and does linear telescopic motion, described latch segment The upper surface of lower surface and cushion is conflicted, and one end of described rotational structure and latch segment are articulated and connected, described rotational structure The other end is communicated with the outside after running through slide block and baffle plate.

By adopting technique scheme, when certain any position needing baffle plate on main scale is fixing, only need to rotate and turn Dynamic structure so that rotational structure drives latch segment to stretch out from indentation, there and slide onto cushion, now realize to bullet by latch segment Property pad compression and produce larger friction between the two, in the presence of this thrust and frictional force, it is possible to achieve to gear The fixation of plate, that is, now baffle plate is fixed in this position, very easily achieves baffle plate in main scale using simple device The fixation of upper optional position, and fixation is reliable, it is possible to achieve the positioning action to vernier cursor.

This utility model is arranged further：Described rotational structure includes connecting rod, fork and Rotational Cylindrical, one end of described connecting rod It is articulated and connected with latch segment, the other end of described connecting rod is articulated and connected with one end of fork, the other end of described fork and rotation The lower end of post is connected, and the upper end of described Rotational Cylindrical is run through baffle plate and is communicated with the outside.

By adopting technique scheme, by rotating Rotational Cylindrical, Rotational Cylindrical band driven fork swings in cavity, fork Swing the swing of drivening rod, the swing of connecting rod can drive latch segment protruding in breach, you can to realize latch segment Locking with cushion.

This utility model is arranged further：It is equipped with guiding fixed plate at the two ends being located at breach in described cavity, described The part that connecting rod is connected with latch segment does stretching motion between two guiding fixed plates.

By adopting technique scheme, in the presence of guiding fixed plate, so that connecting rod is carrying out that fixed guide Do near linear between fixed board to move back and forth, the latch segment such that it is able to carry does the extended and retracted motion of straight line in indentation, there, More smoothly smoothly achieve the compression to cushion for the latch segment.

This utility model is arranged further：It is provided with gap, described locking between the upper end face of described main scale and vernier cursor Device includes the pad being arranged in gap, and the multiple support springs being arranged on pad, and described pad is with vernier cursor In the upper end face sliding of main scale, described support spring is connected with a pressing plate away from one end of pad simultaneously, described for sliding motion Swivel plate is rotatably connected on pressing plate, described vernier cursor is provided with the groove running through for swivel plate, the width of described groove is less than The length of swivel plate, described swivel plate is provided with handle, and when support spring is in complete confined state, swivel plate is located at logical Conflict in groove and with the rear surface of vernier cursor.

By adopting technique scheme, when needing to realize the positioning to vernier cursor, now press handle so that rotating Plate and carries dynamic pressure plate to pull down after groove, and now support spring is fully compressed simultaneously, and makes pad and main scale Upper end face is conflicted, and produces larger frictional force between the two, rotates swivel plate so that swivel plate is in groove lower end and trip The lower surface of scale is conflicted, and now can realize the state of pad and the upper end face holding compression of main scale, also achieve trip Scale, in the fixation of this position, using the locking mode of Rotational Cylindrical compression type, so that the process of locking is convenient, and is grasped Make also simpler.

This utility model is arranged further：On described cushion, the part away from slide groove is provided with the convex surface being gradually increasing, The lower surface of described latch segment is conflicted with convex surface.

By adopting technique scheme, after having convex surface, so that latch segment is in the conflict process with cushion In more tight, enhance the thrust between cushion and latch segment, thereby may be ensured that the fixation in this position for the baffle plate Solid and reliable.

This utility model is arranged further：All it is equipped with the magnetic stripe for stay absorption in described cushion.

By adopting technique scheme, magnetic stripe can realize the absorption to latch segment, thus reaching latch segment from breach Place stretch out after can more smoothly with cushion conflict, and and cushion between conflict close and firm purpose, thus realizing The fixation in this position for the baffle plate is reliable.

This utility model is arranged further：Described Rotational Cylindrical is provided with knob away from one end of fork, and described knob runs through sliding It is communicated with the outside after block and baffle plate.

By adopting technique scheme, in the presence of knob, can be convenient realize rotation to Rotational Cylindrical Control, such that it is able to smoothly realize latch segment stretching out and the work to cushion locking from indentation, there.

This utility model is arranged further：On described baffle plate, the one side near vernier cursor is provided with cushion pad.

By adopting technique scheme, the direct conflict collision between baffle plate and vernier cursor can be avoided, it is to avoid two The abrasion of person.

This utility model is arranged further：Described vernier cursor is provided with the projection for staff push-and-pull.

By adopting technique scheme, the control to vernier cursor for the staff can be facilitated, can be directly by projection Control realizes sliding on main scale for the vernier cursor, simple and convenient.

In sum, this utility model has the advantages that：

1st, the restriction of position range on main scale for the vernier cursor can be realized, in order to the measurement enhanced convenience to workpiece Accurately；

2nd, realize electrodeless sliding on main scale for the baffle plate using simple fastening means；

3rd, adopt the fixing and electrodeless at any time sliding that convenient locking mode is realized to vernier cursor on main scale；

4th, make fastening on main scale for the baffle plate more solid and reliable using multiple simple structures.

Brief description

Fig. 1 is the structural representation in front in embodiment 1；

Fig. 2 is the structural representation of reverse side in embodiment 1；

Fig. 3 is the partial enlarged drawing of A in Fig. 2；

Fig. 4 is the structural representation of clamp device in embodiment 1；

Fig. 5 is the partial enlarged drawing of B in Fig. 4；

Fig. 6 is the structural representation of locking device in embodiment 1；

Fig. 7 is the partial enlarged drawing of C in Fig. 6；

Fig. 8 is the view of clamp device when vernier cursor is fixed on main scale in embodiment 1；

Fig. 9 is the partial enlarged drawing of D in Fig. 8；

Figure 10 is the structural representation of magnetic stripe, convex surface in embodiment 2；

Figure 11 is the partial enlarged drawing of E in Figure 10；

Figure 12 be cushion pad in embodiment 2 structural representation be also projection in embodiment 2 structural representation；

Figure 13 is the partial enlarged drawing of F in Figure 12；

Figure 14 is the structural representation of embodiment 3.

In figure：1st, main scale；11st, slide groove；111st, cushion；111a, convex surface；1112nd, magnetic stripe；12nd, baffle plate；121st, buffer Pad；13rd, slide block；131st, cavity；132nd, breach；2nd, vernier cursor；21st, projection；22nd, enlarging lens；23rd, level indicator；24th, groove； 3rd, internal measure-hand；4th, exterior measuring measuring jaw；5th, locking device；51st, pad；52nd, support spring；53rd, pressing plate；54th, swivel plate；55th, Handss；6th, graduation mark；7th, clamp device；71st, rotational structure；711st, connecting rod；712nd, fork；713rd, Rotational Cylindrical；714th, knob；72、 Latch segment；73rd, guide fixed plate；8th, gap.

Specific embodiment

Below in conjunction with accompanying drawing, this utility model is described in further detail.

Embodiment 1：A kind of slide gauge, as illustrated in fig. 1 and 2, is mainly sleeved on the trip on main scale 1 by main scale 1 and sliding Scale 2 forms, and is arranged with internal measure-hand 3 above main scale 1 with vernier cursor 2, and main scale 1 is right with the lower section of vernier cursor 2 Claim to be provided with exterior measuring measuring jaw 4, by moving cursor chi 2, it is possible to achieve the separation between two exterior measuring measuring jaws 4 or two internal measure-hand 3, this When workpiece is embedded between two exterior measuring measuring jaws 4 or two internal measure-hand 3, and make the outer wall of workpiece respectively with two exterior measuring measuring jaws 4 Or after the pawl wall laminating closely of internal measure-hand 3, then by a locking device 5, vernier cursor 2 is locked, realize vernier cursor 2 In the fixation of this position, it is possible to combine the lower end before main scale 1 and vernier cursor 2 and master after vernier cursor 2 is fixing on main scale 1 The graduation mark 6 of the tangent of chi 1 reads the size reading of workpiece.

The now some slide grooves of the setting at the back side of main scale 1 11, as shown in figure 3, and all detain embedding in slide groove 11 It is provided with the slide block 13 that can slide in slide groove 11, be provided with a baffle plate 12 between slide block 13, baffle plate 12 is in slide block 13 Slip under main scale 1 Dorsal glide, and be provided with baffle plate 12 surface so that baffle plate 12 is real at any time at main scale 1 back side The clamp device 7 now fixed.

Clamp device 7 includes latch segment 72 and a rotational structure 71, and the side in slide groove 11 is equipped with a bullet Property pad 111, is provided with a breach being communicated with cavity 131 132 on the one side of cushion 111 in slide block 13, now exists It is provided with cavity 131, latch segment 72 is just arranged at breach 132, and one end of rotational structure 71 is cut with scissors with latch segment 72 in slide block 13 Connect in succession, the other end of rotational structure 71 is communicated with the outside after having run through baffle plate 12 and slide block 13, controls outside and rotates knot The rotation of structure 71,1 can drive latch segment 72 to do at breach 132 stretches out breach 132 and is retracted into cavity at breach 132 131 motion.

Rotational structure 71 includes the connecting rod 711 with the hinged setting of latch segment 72, connecting rod 711 away from latch segment 72 one end with One fork 712 is articulated and connected, and fork 712 is then connected with a Rotational Cylindrical 713 away from one end of connecting rod 711, and turns Dynamic post 713 has been run through and has been communicated with outside after slide block 13 and baffle plate 12 away from one end of fork 712, meanwhile, so that lock Tight block 72 is stable linear motion in the impulse stroke stretching out locking of indentation, there, is now located at breach 132 in cavity 131 Two ends at be respectively provided with guiding fixed plate 73, and connecting rod 711 is in two guiding fixed plates away from a part for fork 712 Between 73；So that the control enhanced convenience to Rotational Cylindrical 713, now Rotational Cylindrical 713 away from fork 712 one end again It is provided with a knob 714, knob 714 is communicated with the outside after having run through slide block 13 and baffle plate 12.

When carrying out the measurement to workpiece, vernier cursor 2 is controlled to slide on main scale 1 first so that two exterior measuring measuring jaws 4 and interior Separate between measuring claw 3, and the detected part of workpiece to be measured is embedded between two outside measuring jaws or internal measure-hand 3, when outer So that baffle plate 12 slides on slide calliper rule, when baffle plate 12 and vernier cursor after the interior pawl wall of side measuring jaw or internal measure-hand 3 and workpiece conflict After 2 conflict, the knob 714 of one end on flap shutter 12 surface, knob 714 rotates and drives the fork 712 being attached thereto Swing at breach 132 in cavity 131, connecting rod 711, under the swing of fork 712 acts on, guides fixed plate 73 two Between stretch out at breach 132, and make the latch segment 72 hinged with connecting rod 711 gradually stretch out breach 132, slide onto cushion On 111, cushion 111 has preferably elasticity and sealing, and now latch segment 72 slides onto on cushion 111 to cushion 111 one thrust of applying, in the presence of this thrust, cushion 111 deforms, and slide groove 11 is also applied necessarily Thrust, due to again there is larger frictional force between latch segment 72 and cushion 111 so that latch segment 72 and cushion Compression between 111 is very compact firmly, so now can realize one end consolidating in this position of main scale 1 of baffle plate 12 Fixed.

So, due to the presence of baffle plate 12, you can to ensure to vernier cursor 2 positioning on main scale 1, work as vernier cursor 2 when measuring to workpiece, and when slide gauge rocks the slip on main scale 1 vernier cursor 2, vernier cursor 2 will Conflict with baffle plate 12, thus not larger skew occurs, now i.e. so that vernier cursor 2 baffle plate 12 restriction scope it Inside carry out micro adjustment, continue the work that workpiece is measured, very time saving and energy saving.

When needing to cancel fixing on slide calliper rule of baffle plate 12, now only need successively to the rotation on opposite direction flap shutter 12 Button 714 so that knob 714 swings to the direction away from breach 132 with driven fork 712, now hinged with fork 712 connecting rod 711 do retraction movement away from breach 132 under the drive of fork 712 between two guiding fixed plates 73, and drive and cut with scissors therewith The latch segment 72 connecing gradually is recalled and also by breach 132 retraction cavity 131 from cushion 111, now, cushion 111 On thrust disappear, no longer there is interaction force between baffle plate 12 and cushion 111, baffle plate 12 can continue in main scale 1 On carry out at any time slip.

In the present embodiment, in usual workpiece calibration, due to being not in larger mistake between most workpiece Difference, so when identical jobs are carried out with the measurement of size, after unit one is measured, and make baffle plate 12 with Under the similar sizes of workpiece fixing after, when now again other identical jobs being measured it is possible to by vernier cursor 2 slide onto with At baffle plate 12 conflict, then after workpiece being directly embedded between two exterior measuring measuring jaws 4 or internal measure-hand 3, then carry out the micro- of vernier cursor 2 Amount is adjusted, very time saving and energy saving.

In the present embodiment, so that two exterior measuring measuring jaws 4 or interior measurement after vernier cursor 2 carries out trace regulation on main scale 1 The inwall of pawl 3 all fit with workpiece very tight when, need to realize vernier cursor 2 this position on main scale 1 by locking device 5 Fixation so that read scale；Now retain certain gap 8 between the upper end face of vernier cursor 2 and main scale 1, such as Fig. 6 and Shown in 7, above-mentioned locking device 5 includes the pad 51 being arranged in gap 8, and pad 51 is being led with the movement of vernier cursor 2 The upper end face of chi 1 moves, and the one side away from main scale 1 on pad 51 is provided with multiple support springs 52, and is supporting bullet On spring 52, the one end away from pad 51 is connected with a pressing plate 53 simultaneously, also rotates in the one side away from support spring 52 for the pressing plate 53 It is connected to the structure of a swivel plate 54, a groove 24 running through for swivel plate 54 has now been opened up on vernier cursor 2, and On swivel plate 54, the one side away from pressing plate 53 is provided with the handle 55 facilitating staff pressing.

When needing to carry out fixing to position on main scale 1 for the vernier cursor 2, pull down handle 55 so that handle 55 carries Dynamic swivel plate 54 is located at gap 8 after running through groove 24, and now pressing plate 53 also is subject to drive after the pressure of handle 55 to support Spring 52 is simultaneously pressurized and realizes compressing completely, and now pad 51 is occurred with the upper end face of main scale 1 in the presence of this pressure Conflict, that is, pad 51 can produce a larger thrust to the upper end face of main scale 1, so that this thrust is always Exist, now rotating handles 55, handle 55 is rotated plate 54 and rotates, and swivel plate 54 unclamps to handle 55 after turning an angle Pressure, due to swivel plate 54 length be more than groove 24 width, so now swivel plate 54 two ends along its length with The rear surface of vernier cursor 2 is conflicted, in the presence of this conflict power, you can realize support spring 52 and be constantly in being fully compressed State, and it is also ensured that pad 51 keeps a thrust to the upper end face of main scale 1 always, now achieve trip Scale 2 being completely fixed in this position, as shown in FIG. 8 and 9, fixed form is solid and reliable, and operates very convenient and simple.

When needing to adjust again position on main scale 1 for the vernier cursor 2, now again this rotating handles 55 so that swivel plate 54 rotate to groove 24 horizontal positioned after, then unclamp the applying power to handle 55, now support spring 52 is without compression After power, recover deformation, in the deformation recovery process of support spring 52, swivel plate 54 is subject to rebounding from support spring 52 Power, in the presence of this bounce, swivel plate 54 here runs through groove 24 and rises to certain height from gap 8, now pads Piece 51 also will not compress to the upper end face of main scale 1 after without any thrust again, now can easily realize Sliding on main scale 1 for the vernier cursor 2.

In the present embodiment, above-mentioned rotational structure 71 can also be tied so that rotating using the structure of cam and expansion link Structure 71 controls rotation in cavity 131 for the cam, and drives expansion link to slide on external peripheral surface in cam, when expansion link is slided When moving the higher position to cam, you can with realize expansion link stretching out at breach 132 and movement realize to cushion 111 right The compression work of cushion 111, is fixed with realizing position on main scale 1 for the baffle plate 12；When expansion link slides into the relatively low of cam During place, you can to realize in expansion link retraction cavity 131, now cushion 111 is without the thrust of expansion link, you can with reality Existing sliding on main scale 1 for the baffle plate 12.

In the present embodiment, above-mentioned locking device 5 can also be using the knot adding push rod and Magnet on vernier cursor 2 Structure, you can during needing fixing in a certain position sliding onto on main scale 1 when vernier cursor 2, promotes push rod so that Magnet runs through trip Adsorb with the upper end face of main scale 1 after scale 2, now can realize the fixation in this position for the vernier cursor 2.

Embodiment 2：A kind of slide gauge, is with the difference of embodiment 1, as shown in figures 10-13, in order to strengthen lock Tight thrust between block 72 and cushion 111 so that more fitting between the two, so away from cunning on cushion 111 The part of road groove 11 is provided with the convex surface 111a being gradually increasing, and as shown in figure 11, that is, makes cushion 111 away from slide groove 11 The height of a part is slightly above the part near slide groove 11 for the cushion 111, so, so that latch segment 72 is from breach When stretching out at 132, can first easily conflict with cushion 111, afterwards latch segment 72 continue stretch out in motion, when Gradually during conflict with convex surface 111a, fitting between latch segment 72 and cushion 111 is gradually tight, thus enhancing both Between thrust and frictional force.

Meanwhile, it is also added into magnetic stripe 1112 in cushion 111, as shown in figure 11, can be for stretching at breach 132 The absorption of the latch segment 72 going out, thus further enhancing the locking between latch segment 72 and cushion 111, is also further ensured that Fixation at any time on this slide calliper rule for the baffle plate 12.

In the present embodiment, baffle plate 12 is also added into cushion pad 121 on the one side of vernier cursor 2, such as Figure 13 Shown, such that it is able to when baffle plate 12 and vernier cursor 2 occur to conflict, both directly contacts can be avoided thus leading to both go out The phenomenon now worn and torn.

In the present embodiment, a projection 21 supplying staff push-and-pull is additionally provided with vernier cursor 2, as shown in figure 12, thus Can easily facilitate people when carrying out the measurement to workpiece using this slide gauge, can be more easy and convenient by convex Sliding at any time on slide calliper rule for the vernier cursor 2 is realized in the setting of block 21.

Embodiment 3：A kind of slide gauge, is with the difference of embodiment 2, as shown in figure 14, for the ease of people After carry out the measurement to workpiece using this slide gauge, accurately reading scale can be facilitated, so now leaning in vernier cursor 2 One end of nearly graduation mark 6 adds enlarging lens 22, and makes enlarging lens 22 have phase away from one end of vernier cursor 2 with main scale 1 Cut place, thus can be convenient for people to see main scale 1 with vernier cursor 2 to corresponding scale, meanwhile, on vernier cursor 2 It is also added into level indicator 23 away from a surface of graduation mark 6, workpiece can be improved in order to people during measurement The measurement precision of horizontal direction.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make to the present embodiment after reading this specification as needed does not have the modification of creative contribution, but As long as all being protected by Patent Law in right of the present utility model.

Claims (10)

1. a kind of slide gauge, is sleeved on the vernier cursor (2) on main scale (1) including main scale (1) and sliding, described main scale (1) with The top of vernier cursor (2) is arranged with internal measure-hand (3), and described main scale (1) is arranged with external pelivimetry with the lower section of vernier cursor (2) Pawl (4), described vernier cursor (2) is provided with and controls vernier cursor (2) sliding and fixing locking device (5), before described main scale (1) The part that contacts of face and vernier cursor (2) be equipped with graduation mark (6) it is characterised in that：Described main scale (1) back side is provided with some cunnings Road groove (11), described slide groove（11）Inside all slip buttons are embedded with slide block（13）, described slide block（13）Between be connected with and vernier cursor (2) baffle plate (12) conflicted, described baffle plate (12) is provided with controlling baffle plate (12) in the fixing clamp device in main scale (1) back side (7).

2. a kind of slide gauge according to claim 1 it is characterised in that：Side in described slide groove (11) is equipped with Cushion (111), is provided with cavity (131) in described slide block (13), described slide block (13) is equal near a surface of cushion (111) It is provided with the breach (132) communicating with cavity (131), described clamp device (7) includes latch segment（72）With control latch segment（72） The rotational structure of motion（71）, described latch segment（72）It is arranged at breach（132）Linear telescopic motion, described latch segment do in place (72) lower surface and the upper surface of cushion (111) are conflicted, described rotational structure（71）One end and latch segment（72）Hinged Connect, described rotational structure（71）The other end run through slide block（13）And baffle plate（12）After be communicated with the outside.

3. a kind of slide gauge according to claim 2 it is characterised in that：Described rotational structure（71）Including connecting rod （711）, fork（712）And Rotational Cylindrical（713）, described connecting rod（711）One end be articulated and connected with latch segment (72), described connecting rod (711) the other end is articulated and connected with the one end of fork (712), under the other end of described fork (712) and Rotational Cylindrical (713) End is connected, and the upper end of described Rotational Cylindrical (713) is run through baffle plate (12) and is communicated with the outside.

4. a kind of slide gauge according to claim 3 it is characterised in that：It is located at breach (132) in described cavity (131) Two ends at be equipped with guiding fixed plate（73）, the part that described connecting rod (711) is connected with latch segment (72) is in two guiding fixations Plate（73）Between do stretching motion.

5. a kind of slide gauge according to claim 1 it is characterised in that：The upper end face of described main scale (1) and vernier It is provided with gap (8), described locking device (5) includes being arranged on gap between chi (2)（8）In pad (51), and be arranged on pad Multiple support springs (52) in vernier cursor (2) one side for the piece (51), described support spring (52) is away from the one of pad (51) End is connected with pressing plate (53) simultaneously, described pressing plate (53) is rotatably connected to swivel plate (54), described vernier cursor (2) is provided with confession The groove (24) that swivel plate (54) runs through, the width of described groove (24) is less than the length of swivel plate (54), described swivel plate (54) it is provided with handle (55), when support spring (52) is in complete confined state, swivel plate (54) is located at groove (24) Interior and with vernier cursor (2) rear surface is conflicted.

6. a kind of slide gauge according to claim 2 it is characterised in that：Described cushion (111) is provided with convex surface (111a), the lower surface of described latch segment (72) and convex surface (111a) are conflicted.

7. a kind of slide gauge according to claim 6 it is characterised in that：All it is equipped with confession in described cushion (111) Latch segment（72）The magnetic stripe (1112) of absorption.

8. a kind of slide gauge according to claim 3 it is characterised in that：Described Rotational Cylindrical（713）Away from fork (712) One end be provided with knob (714), described knob（714）Run through slide block（13）And baffle plate（12）After be communicated with the outside.

9. a kind of slide gauge according to claim 1 it is characterised in that：Described baffle plate (12) is near vernier cursor (2) Simultaneously it is provided with cushion pad (121).

10. a kind of slide gauge according to claim 1 it is characterised in that：Described vernier cursor (2) is provided with for people's hand push The projection (21) drawing.