CN2359661Y

CN2359661Y - Braking device for vernier callipers

Info

Publication number: CN2359661Y
Application number: CN 98213984
Authority: CN
Inventors: 林永清
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-05-29
Filing date: 1998-05-29
Publication date: 2000-01-19
Anticipated expiration: 2008-05-29

Abstract

The utility model relates to a clamping device for a vernier caliper. The utility model is matched with and arranged on a vernier caliper which is provided with a baser rod and a sliding seat, wherein, the sliding seat is sheathed on the base rod and is provided with a control block which can control the sliding seat and slides on the base rod. The clamping device is arranged on the sliding seat and comprises an elastic element and a clamping block, a positioning shaft of the clamping block is pivoted on the sliding seat, the elastic element is clamped between the base rod and the sliding seat, one end of the clamping block forms a control part, the other end forms a stopping and bunting part, by controlling the control part, the clamping block can rotate with the positioning shaft as a fulcrum by controlling the control part, the stopping and bunting part pushes and bunts the elastic element to bunt and support towards the base rod, and the sliding seat is positioned on the base rod.

Description

The clamping and drawing device of vernier caliper

The utility model relates to a kind of clamping and drawing device of vernier caliper.

As shown in Figure 1, vernier caliper 1 in the past comprises a basic bar 10, the body of rod surface mark of this base bar 10 is provided with size scale, and an end is provided with a benchmark portion 100, the other end forms a fastener 101, a sheathed slip is in the slip base 11 of 101 of this benchmark portion 100 and fasteners on the body of rod, assembling one milli is apart from console 12 on this slip base 11, this milli is to cooperate with basic bar 10 and along with the mobile demonstration gauge length numeral of this slip base 11 apart from console 12, these slip base 11 1 sides be provided with one carry over that these base bar 10 sides slide control piece 13, this slip base 11 is away from controlling piece 13 1 sides and establishing a clamping and drawing device 14, this clamping and drawing device 14 comprises one and is positioned at the shell fragment 140 of this slip base 11 and basic bar 10 sides and a movable screw and is located at knob 141 on this slip base 11, these knob 141 1 ends protrude out outside the slip base 11, it is interior and corresponding with shell fragment 140 that the other end stretches into this slip base 11, make this shell fragment 140 of its end contact by this knob 141 with screw-in direction, this shell fragment 140 can be tight against toward basic bar 10 directions, and these slip base 11 clips are positioned on the basic bar 10.

Above-mentioned in the past slide measure 1 is when measuring article; To hold on the other hand basic bar 10 near fastener 101 1 ends; And utilize and to control this with a wherein finger (general custom thumb) of hand and control piece 13; Move the spacing of this slip base 11 and benchmark section 100 with accent; And measured article; And when whether the internal-and external diameter of wanting the comparand article or other meet standard such as thickness etc.; Just quality restriction; The standard-sized article of a tool to be taken out measure; The clip positioning function of recycling clamping and drawing device 14; The size-spacing that before measures is immobilized

And then respectively desire is measured article and place one by one by the formed fixedly gauge length in back, this clamping and drawing device 14 location, to reach the purpose that set pattern measures.But, in above-mentioned measurement process, accent shifts out the clip position fixing process behind the preset space length, because this setting of controlling piece 13 and clamping and drawing device 14 is at opposite side, and the clip start of this clamping and drawing device 14 essential with this knob 141 toward basic bar 10 direction turns a few, this shell fragment 140 could be tight against basic bar 10 to reach the location, if therefore the user hands article to measure with one when operation, and the hand that another grips this base bar 10 moves the back and must the location time at accent, can the position being set and controlling piece 13 because of this knob 141 at homonymy not, and must make this knob 141 rotate a few, cause to operate when using and go up very trouble, even some operator can unload the pitch space that is measured carefully with measuring thing, utilize the proficiency of holding thing to rotate the start of knob 141 again, therefore, may cause to measure thing and just unload before the numeral to measure comparatively accurately, and cause the error measured in no-fix.

It is a kind of easy to operate, smoothly that the purpose of this utility model is to provide, and can reduce the clamping and drawing device of the vernier caliper of error in measurement.

The purpose of this utility model is to realize like this, a kind of clamping and drawing device of vernier caliper, be to cooperate to be installed on the vernier caliper with a basic bar and a slip base, this base bar one end is provided with a benchmark portion, the other end is provided with fastener, and slip base is sheathed on the basic bar, and be provided with one can control this slip base on basic bar slippage control piece, and this slip base is provided with the clamping and drawing device of clip location usefulness, to locate this slip base it can't be slided on basic bar, it is characterized in that: this clamping and drawing device comprises a flexible member, one locating shaft and a clipping block, this flexible member is to be folded between this base bar and slip base, this locating shaft then is located on this slip base, and this clipping block is to be set on the locating shaft and can locating shaft is that fulcrum rotates, it has a control part and a retaining part corresponding with this flexible member, and by controlling this control part, making this clipping block can locating shaft be that fulcrum rotates, and this retaining part pushing and pressing flexible member is supported toward basic bar, so that this slip base can make things convenient for mode smoothly to be positioned on this base bar.

Owing to adopted above-mentioned technical solution, the clamping and drawing device that is the utility model vernier caliper is that to utilize locating shaft with clipping block be rotating fulcrum, and can promote clipping block smoothly, fasten between basic bar and slip base to reach clip location purpose to order about flexible member, has convenient, the good operation in location, can utilize simultaneously the same hand operation, can not reach the error in measurement purpose can take place.

Be elaborated below by most preferred embodiment and accompanying drawing clamping and drawing device to the utility model vernier caliper, in the accompanying drawing:

Fig. 1 is the three-dimensional partly exploded view of vernier caliper in the past.

Fig. 2 is the three-dimensional partly exploded view of the utility model first preferred embodiment.

Fig. 3 is the local enlarged diagram of the above-mentioned first preferred embodiment clamping and drawing device of the utility model before clip is not located.

Fig. 4 is the local enlarged diagram of the above-mentioned first preferred embodiment clamping and drawing device of the utility model when clip is located.

Fig. 5 is the local enlarged diagram of the utility model second preferred embodiment clamping and drawing device when clip is located.

As shown in Figure 2, the vernier caliper 2 of the utility model first preferred embodiment, comprise a basic bar 3, a slip slip base 4 and the clamping and drawing device 5 on basic bar 3, this base bar 3 is bodies of rod that end face mark is provided with size scale, this body of rod one end is provided with a benchmark portion 30, the other end forms a fastener 31, and this base bar 3 is concaved with a chute 32 in benchmark portion 30 and 31 of fasteners, at these chute 32 1 sides and form toothrow row 33.This slip base 4 be set in suffer on the basic bar 3 and slip in the pedestal of 31 of this benchmark portion 30 and fasteners, these slip base 4 pedestals have a bottom surface 40 below this base bar 3, and forming an auxiliary section 41 corresponding with benchmark portion 30 near this benchmark portion 30 1 ends, in these 40 both sides, bottom surface and basic bar 3 dual-sides of postponing extend upward and form second side 43 that one first side 42 and can be provided with for this clamping and drawing device 5 near denture 33 1 sides of this base bar 3, this first, two side faces 42, also hold in the mouth for 43 and connect two connection straps 44 across these base bar 3 end faces, these second side, 43 end faces have one and expand the portion 430 that prolongs, this expansion is prolonged portion 430 away from denture 33 peripheries and be provided with a breach 431, these breach 431 both sides respectively form a stop wall 432, and this second side 43 is away from these 41 places, auxiliary section, group be provided with one can be along these base bar 3 side slippages control piece 45, on this connection strap 44, assemble a milli again apart from console 46, this milli is provided with a rotating shaft 460 of joining with denture 33 swirls of this chute 32 apart from console 46 bottoms, when these slip base 4 slippages, this rotating shaft 460 can be moved in chute 32, and close and rotate with the swirl of this denture 33, and make this milli show the little milli data that cooperate with size scale on this base bar 3 apart from console 46.

Cooperate Fig. 2, shown in 3, this clamping and drawing device 5 comprises a flexible member 50, one locating shaft 51 and a clipping block 52, this flexible member 50 is one to be folded in the shell fragment of 43 of these base bar 3 sides and slip base 4 second sides, its normal condition is to move on basic bar 3 with this slip base 4, this locating shaft 51 then is that the projection of 430 central authorities of portion is prolonged in an expansion that is located at these slip base 4 second sides 43, in addition, central tool one correspondence of this clipping block 52 is set in the perforation 520 on this locating shaft 51, and can rotate for rotating fulcrum by this locating shaft 51, the one end is one to protrude out the control part 521 that the breach 431 of portion 430 is prolonged in this expansion, the other end then is one corresponding with this flexible member 50 and can rotate the retaining part 522 that be tight against this flexible member by this clipping block 52, this clipping block 52 is inclined under slip base 4 slip states, just this control part 521 is near breach 431 both sides stop wall 432 wherein, and this retaining part 522 is then apart from the suitable distance (as shown in Figure 3) of this flexible member 50 1.

As Fig. 3, shown in 4, when pass on the other hand this slip base 4 control piece 45 and according to the specification of determinand after doing corresponding moving on this base bar 3, if the state clip after will moving when location, can utilize simultaneously and pass this finger of controlling piece 45 and move toward the clipping block 52 of clamping and drawing device 5, at this moment, be that the control part 521 of this clipping block 52 is passed toward breach 431 center direction, ordering about this clipping block 52 thus is rotating fulcrum and swing one suitable angle with locating shaft 51, make corresponding reverse deflection angle and drive this retaining part 522, compress toward the flexible member 50 that is positioned at 43 of this base bar 3 and slip base 4 second sides, this flexible member 50 is closely supported toward basic bar 3 sides, so that this slip base 4 is positioned on the basic bar 3, and can't slippage.

When the operator when controlling these slip base 4 slippages, because this control part 521 of controlling piece 45 and clipping block 52 is positioned at homonymy, and spacing is also little, therefore can utilize to hold and move a finger in the same proficiency of slip base 4 by this base bar 3 and behaviour, pass toward this control part 521 simultaneously, at this moment, because the passing that the clip of this clamping and drawing device 5 is located by this control part 521 just can drive clipping block 52, therefore not only can improve the unhandy shortcoming of vernier caliper in the past, more can reduce the error rate in the measurement.

As shown in Figure 5, be of the present utility model second than Cui embodiment, the member of present embodiment and above-mentioned first roughly the same than Cui embodiment, what do not exist together is, clipping block 52 ' the structure of clamping and drawing device 5 ' and locating shaft 51 ' be provided with the position difference, the expansion that this locating shaft 51 ' is located at slip base 4 ' is just prolonged face 430 ' and is located near breach 431 ', the perforation 520 ' of this clipping block 52 ' then is located near control part 521 ' and locates, be set on this locating shaft 51 ' with correspondence, in addition, this clipping block 5 ' respectively extends a flank 523 ' in control part 521 ' both sides, make in the clip position fixing process, can be by pushing wherein a flank 523 ' and make retaining part 522 ' away from flexible member 50, make this slip base 4 ' go up the slippage start at basic bar 3 ', mat is pushed another flank 523 ' and just can be made this retaining part 522 ' fasten flexible member 50 ' toward basic bar 3 ' clip location again.

In sum, the clamping and drawing device of vernier caliper of the present utility model, be that to utilize locating shaft with clipping block be rotating fulcrum, and can promote clipping block smoothly, fasten between basic bar and slip base to reach clip location purpose to order about flexible member, have convenient, the good operation in location, can utilize the same hand operation simultaneously, can not reach the error in measurement purpose can take place.

Claims

1. the clamping and drawing device of a vernier caliper, this vernier caliper comprises a basic bar and the slip base of a slip on this base bar, this slip base be provided with one can control slip base on basic bar slippage control piece, this clamping and drawing device is arranged on this slip base, and locate this slip base, it is characterized in that: clamping and drawing device comprises a flexible member, a locating shaft and a clipping block;

This flexible member is folded between this base bar and slip base;

This locating shaft is located on this slip base;

This clipping block is set on this locating shaft, and having one, to protrude out this slip base outer and to make this clipping block be the control part of rotating fulcrum with the locating shaft, and one is corresponding and push against the retaining part that this flexible member supports toward basic bar.

2. the clamping and drawing device of vernier caliper as claimed in claim 1 is characterized in that:

The control part both sides of this clipping block respectively extend make when pushing this retaining part away from or pushing and pressing flexible member flank.