CN208567846U - A kind of bolt flange root profile print opens up device - Google Patents

Abstract

The utility model discloses a kind of bolt flange root profile prints to open up device, print including that can be sheathed on the screw rod of bolt opens up block, the print, which is opened up, is equipped with diameter location hole compatible with the diameter of screw rod in block, the print opens up and is additionally provided with horizontally disposed positioning surface at the top of block, the print opens up block periphery and is additionally provided with its locking member being locked on the screw rod of bolt equipped with holding down assembly on the joining place of screw rod and nut, the lower section that holds down assembly is compressed it.The print of the utility model opens up device, it is compact-sized, it is easy to use, for bolt flange root profile print to be opened up transfer, it realizes and converts convex profile for concave profile, influence of the screw rod to stylus stroke is reduced when to measure, substantially increases measurement efficiency and measurement accuracy, has the characteristics that at low cost, to be easy to production, labor intensity low.

Description

A kind of bolt flange root profile print opens up device

Technical field

The utility model relates to bolt field of measuring technique, more specifically, it relates to a kind of bolt flange root profile Print opens up device.

Background technique

At present for the measurement of bolt flange root profile (nut and screw rod joining place), generallys use and answered after cutting sample preparation It is measured with contourgraph or is compared using template method and checked.But sample preparation measurement is cut for tradition, as shown in Figure 1, due to bolt Screw rod 1 influences, the concave profile 3 between nut 2 and screw rod 1 and 1 root of screw rod lean on to obtain too close problem, in measurement, wheel Wide instrument stylus cannot cover entire bolt profile completely, and extremely difficult in sample preparation, be unfavorable for quality control.Therefore, anxious Need R & D design one kind bolt flange root profile can be printed the device opened up out so as to measurement.

Utility model content

The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, provide it is a kind of compact-sized, Print easy to use opens up device, for bolt flange root profile print to be opened up transfer, realizes and converts convex surface wheel for concave profile Exterior feature reduces influence of the screw rod to stylus stroke, substantially increases measurement efficiency and measurement accuracy, has cost when to measure Feature that is low, being easy to make, labor intensity is low.

Technical scheme of the utility model is as follows: a kind of bolt flange root profile print opens up device, including can be arranged Block is opened up in the print on the screw rod of bolt, the print opens up and is equipped with diameter location hole compatible with the diameter of screw rod in block, described Print open up and be additionally provided with horizontally disposed positioning surface at the top of block, the print opens up block periphery equipped with compressing it in screw rod and nut Holding down assembly on joining place, the lower section that holds down assembly are additionally provided with its locking member being locked on the screw rod of bolt.

As a further improvement, described holds down assembly including pressure sleeve, it is greater than in the pressure sleeve equipped with diameter The relief hole of the diameter of screw rod is additionally provided with the accommodating chamber that the print is opened up to block package in the pressure sleeve.

Further, the inner wall of the accommodating chamber is equipped with the first up big and down small tapered surface, correspondingly, the print is opened up Block outer surface is equipped with the second tapered surface compatible with the taper of first tapered surface.

Further, the pressure sleeve and print open up be additionally provided between block it is compatible with the taper of first tapered surface Cone shaped force transfer set.

Further, the periphery in the pressure sleeve positioned at the relief hole is additionally provided with multiple through-holes being circular layout, The position of the through-hole is corresponding with the position that the cone shaped force transfer covers.

Further, the outer surface of the pressure sleeve is additionally provided with multiple decorative patterns axially arranged.

Further, the print is opened up block and is arranged symmetrically and mutually dismountable splice is constituted by least two pieces.

Further, the locking member includes being screwed on the locking nut being connected with the screw rod.

Further, the locking member further includes the sleeve being movably set on the screw rod.

Beneficial effect

The utility model compared with prior art, has the following advantages that are as follows:

The print of the utility model opens up device, compact structure and easy to use, turns for opening up bolt flange root profile print It moves, realizes and convert convex profile for concave profile, influence of the screw rod to stylus stroke is reduced when to measure, is substantially increased Measurement efficiency and measurement accuracy, can avoid damage screw rod the phenomenon that, hold down assembly make full use of tapered surface to print open up block into Row impact effectively prevent print to open up block damage, and keeps the precision opened up of print higher, have it is at low cost, be easy to make, labor intensity is low, The characteristics of convenient for operating.

Detailed description of the invention

Fig. 1 is the part section structure enlargement diagram of prior art bolt flange root；

Fig. 2 is structural schematic diagram when the utility model is applied；

Fig. 3 is the schematic view of the front view that print opens up block in the utility model；

Fig. 4 is the overlooking structure diagram that print opens up block in the utility model；

Fig. 5 is the schematic view of the front view of pressure sleeve in the utility model；

Fig. 6 is the schematic diagram of the section structure of pressure sleeve in the utility model.

Wherein: 1- screw rod, 2- nut, 3- concave profile, 4- print open up block, 5- location hole, 6- positioning surface, 7- pressure sleeve, 8- Relief hole, 9- accommodating chamber, the first tapered surface of 10-, the second tapered surface of 11-, 12- cone shaped force transfer set, 13- through-hole, 14- decorative pattern, 15- Nut, 16- sleeve.

Specific embodiment

Specific embodiment in reference to the accompanying drawing is described further the utility model.

Refering to fig. 1-6, a kind of bolt flange root profile print of the utility model opens up device, including that can be sheathed on bolt Print on screw rod 1 opens up block 4, wherein opens up in print and is equipped with diameter location hole 5 compatible with the diameter of screw rod 1 in block 4, opens up in print Horizontally disposed positioning surface 6 is additionally provided at the top of block 4, it is vertical which with print opens up the axial line of block 4, opens up 4 periphery of block in print and sets Have and compress it holding down assembly on joining place of the screw rod 1 with nut 2, is additionally provided with it in the lower section that holds down assembly and is locked at bolt Screw rod 1 on locking member, it is preferred that it holds down assembly including pressure sleeve 7, is greater than screw rod 1 equipped with diameter in the pressure sleeve 7 The relief hole 8 of diameter, pressure sleeve 7 are movably set in the periphery of screw rod 1 by relief hole 8, are additionally provided in pressure sleeve 7 and open up print The accommodating chamber 9 that block 4 wraps up is equipped with the first up big and down small tapered surface 10, correspondingly, opening up block 4 in print on the inner wall of accommodating chamber 9 Outer surface is equipped with second tapered surface 11 compatible with the taper of the first tapered surface 10；Its locking member includes the phase that is screwed on screw rod 1 Locking nut 15 even, locking nut 15 can open up block 4 to print and provide axial compressive force by pressure sleeve 7 along the axial compression of screw rod 1, The cooperation for passing through the first tapered surface 10 and the second tapered surface 11 simultaneously opens up block 4 to print and provides radial pressure, so that print be made to open up block 4 It is filled to the concave profile 3 of bolt, after the locking of locking nut 15 stands one end time, is opened up in print and form convex profile on block 4.This The print of utility model opens up device, compact structure and easy to use, and for bolt flange root profile print to be opened up transfer, realization will be recessed Facial contour is converted into convex profile, and influence of the screw rod to stylus stroke is reduced when to measure, substantially increase measurement efficiency and Measurement accuracy, the phenomenon that can avoid damage screw rod, what is held down assembly makes full use of tapered surface to open up block to print to impact, effectively Prevent print from opening up block damage, and keep the precision opened up of print higher, have it is at low cost, be easy to make, labor intensity is low, spy convenient for operation Point.

Preferably, it is opened up in pressure sleeve 7 and print and is additionally provided with taper biography compatible with the taper of the first tapered surface 10 between block 4 The design of power set 12, cone shaped force transfer set 12 keeps the transmitting of power more steady, and damage print is further prevented to open up block 4；In pressure sleeve 7 The interior periphery positioned at relief hole 8 is additionally provided with multiple through-holes 13 being circular layout, the position of multiple through-holes 13 and cone shaped force transfer set 12 Position it is corresponding, facilitate by cone shaped force transfer set 12 extract, it is easy to operate；Multiple axial directions are additionally provided in the outer surface of pressure sleeve 7 The decorative pattern 14 of arrangement is extracted convenient for pressure sleeve 7；Its print opens up block 4 and is arranged symmetrically simultaneously mutually dismountable splice by least two pieces It constitutes, splice is that copper or aluminum material are made, and is taken out from screw rod 1 after opening up convenient for print；Its locking member further includes living The dynamic sleeve 16 being sheathed on screw rod 1 can cover upper bush 16 when screw rod 1 is too long, and the transmitting of power, nothing are carried out using sleeve 16 Locking nut 15 need to be screwed on too long, it is time saving and energy saving to achieve the purpose that, meanwhile, when encounter on screw rod 1 close to nut 2 one end without When screw thread, the transmitting of power can also be carried out by sleeve 16, expands the scope of application of device.

Above-described is only preferred embodiments of the present invention, it should be pointed out that is come for those skilled in the art It says, under the premise of not departing from the utility model structure, several modifications and improvements can also be made, these all will not influence this reality With the effect and patent practicability of novel implementation.

Claims (9)

1. a kind of bolt flange root profile print opens up device, which is characterized in that including the print that can be sheathed on the screw rod (1) of bolt It opens up block (4), the print, which is opened up, is equipped with diameter location hole (5) compatible with the diameter of screw rod (1) in block (4), the print is opened up Be additionally provided with horizontally disposed positioning surface (6) at the top of block (4), the print open up block (4) periphery be equipped with compress it screw rod (1) with Holding down assembly on the joining place of nut (2), the lower section that holds down assembly are additionally provided on its screw rod for being locked at bolt (1) Locking member.

2. a kind of bolt flange root profile print according to claim 1 opens up device, which is characterized in that the compression group Part includes pressure sleeve (7), is greater than the relief hole (8) of the diameter of screw rod (1) in the pressure sleeve (7) equipped with diameter, described The accommodating chamber (9) that the print is opened up to block (4) package is additionally provided in pressure sleeve (7).

3. a kind of bolt flange root profile print according to claim 2 opens up device, which is characterized in that the accommodating chamber (9) inner wall is equipped with up big and down small the first tapered surface (10), is equipped with and institute correspondingly, the print opens up block (4) outer surface State compatible second tapered surface (11) of taper of the first tapered surface (10).

4. a kind of bolt flange root profile print according to claim 3 opens up device, which is characterized in that the pressure sleeve (7) it opens up with print and is additionally provided with cone shaped force transfer set (12) compatible with the taper of first tapered surface (10) between block (4).

5. a kind of bolt flange root profile print according to claim 4 opens up device, which is characterized in that the pressure sleeve (7) periphery in positioned at the relief hole (8) is additionally provided with multiple through-holes (13) being circular layout, the position of the through-hole (13) with The position of the cone shaped force transfer set (12) is corresponding.

6. a kind of bolt flange root profile print according to claim 2 opens up device, which is characterized in that the pressure sleeve (7) outer surface is additionally provided with multiple decorative patterns (14) axially arranged.

7. a kind of print of bolt flange root profile described in any one of -6 opens up device according to claim 1, which is characterized in that The print is opened up block (4) and is arranged symmetrically and mutually dismountable splice is constituted by least two pieces.

8. a kind of bolt flange root profile print according to claim 7 opens up device, which is characterized in that the locking member Including the locking nut (15) being connected that is screwed on the screw rod (1).

9. a kind of bolt flange root profile print according to claim 8 opens up device, which is characterized in that the locking member It further include the sleeve (16) being movably set on the screw rod (1).