CN206146325U

CN206146325U - Prevent percentage table that cracks up

Info

Publication number: CN206146325U
Application number: CN201621022539.8U
Authority: CN
Inventors: 朱夕青; 毕梅华
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2017-05-03
Anticipated expiration: 2026-08-31

Abstract

The utility model provides a prevent percentage table that cracks up relates to machining amount utensil field, including percentage table body, hold -down bars and joint, the percentage table body is in including circle dial plate and connection gauge rod on the circle dial plate, the hold -down bars is including being used for installing the epaxial straight -bar the lathe owner, be connected with the dop on the straight -bar, the dop joint is in on the gauge rod, the one end that connects is provided with the fluting, and the other end is provided with the connecting hole, the gauge rod cup joints in the fluting, connecting hole and gauge head threaded connection. The utility model discloses an useful part is, and is not only fixed convenient, difficult not hard up to can effectively prevent to improve life because the gauge rod is direct and the work piece bumps against and cause the gauge outfit of percentage table to damage.

Description

A kind of dial gauge for preventing from breaking

Technical field

This utility model is related to machining measurer field, especially a kind of dial gauge for preventing from breaking.

Background technology

Dial gauge is a kind of using the general dimensional measuring instrument of tabular form made by accurate rack and pinion mechanism, basic composition bag Gauge head, gauge rod, antirattle spring, tooth bar, gear, hairspring, round dial and pointer are included, the operation principle of dial gauge is by tested chi The small rectilinear movement of the very little measuring staff for causing, amplifies through gear drive, is changed into rotation of the pointer on graduated disc, so as to read quilt The size of size is surveyed, is widely used in field of machining.

But there is following defect in the dial gauge for using at present：(1) it is easily damaged：During machine tooling, usually make Measured to processing workpiece with dial gauge, but when the component shape to be processed is up big and down small (as shown in Figure 1), on needs During lower u-turn processing, operator forget that dial gauge is turned into a lower angle just directly will often due to hasty or negligence Dial gauge is lifted, and the gauge rod for making dial gauge directly hits the top of workpiece, and so as to cause dial gauge gauge outfit to damage, dial gauge is direct Scrap, cause to waste；(2) it is unfavorable for accurate fixation：What currently used dial gauge was substantially fixed with universal little gauge stand, But the connecting link of universal little gauge stand is too many, also it is easier to loosen, the magnetic support for adding universal little gauge stand is also susceptible to loosen, Easily cause mistake or error.

Utility model content

This utility model overcomes shortcoming of the prior art, there is provided a kind of dial gauge for preventing from breaking, not only fixation side Just, it is not easy to loosen, and can effectively prevents from causing the gauge outfit of dial gauge to damage because gauge rod directly bumps against with workpiece, improves Service life.

In order to solve above-mentioned technical problem, this utility model is achieved through the following technical solutions：

A kind of dial gauge for preventing from breaking, including dial gauge body, hold-down bars and joint, the dial gauge body includes Round dial and the gauge rod being connected on the round dial, the hold-down bars includes the straight-bar for being arranged on machine tool chief axis, Dop is connected with the straight-bar, the dop is connected on the gauge rod, one end of the joint is provided with fluting, the other end Connecting hole is provided with, the gauge rod is socketed in the fluting, and the connecting hole is threadedly coupled with gauge head.

Further, it is provided perpendicular to the first through hole and the second through hole in straight-bar direction on the dop, described first Groove is provided between through hole and the second through hole, the groove connects the first through hole and the second through hole, the first through hole Diameter dimension less than the gauge rod diameter dimension, the first through hole is connected on the gauge rod, with gauge rod interference fit.

Further, the fluting includes the first clamping plate and second clamping plate for clamping the gauge rod.

Further, the first clamping plate and second clamping plate are arcs.

Further, the gauge rod and the fluting are interference fit.

Further, female thread is provided with the connecting hole, is provided with the gauge head supporting with the female thread External screw thread.

Further, the length of the straight-bar is 45～55mm, and the length of the dop is 26～30mm.

Compared with prior art, the beneficial effects of the utility model are：

(1) it is difficult to loosen after simple structure, fixation：This utility model uses the straight-bar of front, first hold-down bars to be arranged on lathe It is fixed on main shaft, then the gauge rod of dial gauge body is snapped fit onto in the first through hole of dop, due to the diameter chi of first through hole The very little diameter dimension less than gauge rod, is added the second through hole and is connected with first through hole by groove, can provide elastic force logical to first Hole so that gauge rod to be clamped, so as to dial gauge body is secured firmly on hold-down bars, it is not easy to loosen, with tradition ten thousand are used The mode that dial gauge is fixed is compared to little gauge stand, it is this hold-down bars simple structure, firm；(2) it is not easy to break：Work as measurement When finished piece(s) size needs to raise dial gauge body, such as forget to leave and directly lift piece dial gauge, and cause order to connect The maloperation that head or gauge head bump against with workpiece, because joint and gauge rod are sockets, can at most make dial gauge body deviate or fall down, The fracture damage of dial indicator head is not resulted in, the purpose of protection dial gauge is reached.

Description of the drawings

Accompanying drawing is used for providing further understanding to of the present utility model, is used to explain together with embodiment of the present utility model This utility model, is not constituted to restriction of the present utility model, in the accompanying drawings：

Fig. 1 is the use schematic diagram of traditional dial gauge；

Fig. 2 is the use schematic diagram of the dial gauge for preventing and breaking described in the utility model；

Fig. 3 is the structural representation of hold-down bars；

Fig. 4 is the top view of hold-down bars；

Fig. 5 is the joint schematic diagram of joint and gauge head；

Fig. 6 is the connection diagram of gauge rod, joint and gauge head.

In figure：1-disk table, 2-gauge rod, 3-straight-bar, 4-dop, 41-first through hole, the 42-the second through hole, 43- Groove, 5-fluting, 51-first clamping plate, 52-second clamping plate, 6-connecting hole, 61-female thread, 7-gauge head, 71-outer spiral shell Stricture of vagina, 8-workpiece.

Specific embodiment

Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent Select embodiment to be merely to illustrate and explain this utility model, be not used to limit this utility model.

As shown in figure 1, be the use schematic diagram of traditional dial gauge, after the lower portion of finished piece(s) 8 is measured, such as forget by Dial gauge just enters to be about to dial gauge to lift after leaving, then gauge rod 2 or gauge head 7 can be made to impinge upon the top position of workpiece 8, makes gauge rod 2 breaking strains or the internal thread of gauge head 7 rupture, and whole dial gauge is directly scrapped；As shown in Fig. 2 one kind described in the utility model Prevent the dial gauge for breaking, including dial gauge body, hold-down bars and joint, dial gauge body from including round dial 1 and connection Gauge rod 2 on round dial 1, as shown in Figure 3 and Figure 4, hold-down bars is included for the straight-bar 3 on machine tool chief axis, straight-bar 3 It is one with dop 4, the through hole 42 of first through hole 41 and second in the direction of gauge rod 3, first through hole is provided perpendicular on dop 4 41 and second 42 are provided with groove 43 between through hole, the connection through hole 42 of first through hole 41 and second of groove 43, first through hole 41 Less than the diameter dimension of gauge rod 2, the fixation principle of this hold-down bars is that first through hole 41 is connected on gauge rod 2 to diameter dimension, by The diameter dimension of gauge rod 2 is less than in the diameter dimension of first through hole 41, the second through hole 42 is added by groove 43 and first through hole 41 connections, can provide elastic force to first through hole 41 so that gauge rod 2 to be clamped, so as to dial gauge body is secured firmly to into hold-down bars On, it is not easy to loosen, as shown in figure 5, one end of joint 9 is provided with fluting 5, the other end is provided with connecting hole 6, connecting hole 6 are threadedly coupled with gauge head 7, and fluting 5 includes the first clamping plate 51 and second clamping plate 52 for clamping gauge rod 2, and gauge rod 2 is to be socketed in In fluting 5, joint 9 is set to be fixed with gauge rod 2 by first clamping plate 51 and second clamping plate 52, it is preferable that the He of first clamping plate 51 Second clamping plate 52 is arc, is provided with female thread 61 in the connecting hole 6, is provided with gauge head 7 supporting with female thread 61 outer Screw thread 71, as shown in fig. 6, being the connection diagram of gauge rod 2, joint 9 and gauge head 7, the effect by joint 9 is by the He of gauge rod 2 Gauge head 7 is relatively fixed together, when when it is up big and down small workpiece to process structure, although forgetting to leave dial gauge and directly lift Knife, makes joint 9 or gauge head 7 bump against workpiece, can only make a relative motion between joint 9 and gauge rod 2, takes off joint 9 From gauge rod 2 or make to be shifted between joint 9 and gauge rod 2, cause to damage without the gauge rod or gauge head to dial gauge, play guarantor Shield is acted on.

Preferably, gauge rod 2 and fluting 5 are interference fit, make assembling firmly, be less likely to occur to loosen.

Preferably, the length of straight-bar 2 is 50mm, and the length of dop is 28mm.

Finally it should be noted that：Preferred embodiment of the present utility model is these are only, this practicality is not limited to It is new, although being described in detail to this utility model with reference to embodiment, for a person skilled in the art, its according to So the technical scheme described in foregoing embodiments can be modified, or equivalent is carried out to which part technical characteristic and replaced Change, but it is all within spirit of the present utility model and principle, and any modification, equivalent substitution and improvements made etc. all should be included Within protection domain of the present utility model.

Claims

1. a kind of dial gauge for preventing from breaking, it is characterised in that including dial gauge body, hold-down bars and joint, the percentage Table body includes round dial and the gauge rod being connected on the round dial, and the hold-down bars is included for installed in machine tool chief axis On straight-bar, the straight-bar upper and lower side has dop, and the dop is connected on the gauge rod, and one end of the joint is provided with out Groove, the other end is provided with connecting hole, and the gauge rod is socketed in the fluting, and the connecting hole is threadedly coupled with gauge head.

2. a kind of dial gauge for preventing from breaking according to claim 1, it is characterised in that be provided with the dop vertical In the first through hole and the second through hole in gauge rod direction, groove, the groove are provided between the first through hole and the second through hole The first through hole and the second through hole are connected, the diameter dimension of the first through hole is less than the diameter dimension of the gauge rod, described First through hole is connected on the gauge rod, with the gauge rod interference fit.

3. a kind of dial gauge for preventing from breaking according to claim 1, it is characterised in that the fluting is included for clamping The first clamping plate and second clamping plate of the gauge rod.

4. a kind of dial gauge for preventing from breaking according to claim 3, it is characterised in that the first clamping plate and the second folder Plate is arc.

5. a kind of dial gauge for preventing from breaking according to claim 3, it is characterised in that the gauge rod is with the fluting Interference fit.

6. a kind of dial gauge for preventing from breaking according to claim 1, it is characterised in that in being provided with the connecting hole Screw thread, is provided with the external screw thread supporting with the female thread on the gauge head.

7. a kind of dial gauge for preventing from breaking according to claim 1, it is characterised in that the length of the straight-bar is 45～ 55mm, the length of the dop is 26～30mm.