CN203190922U - Tool used for auxiliary measurement of nut thickness of screw/bolt - Google Patents
Tool used for auxiliary measurement of nut thickness of screw/bolt Download PDFInfo
- Publication number
- CN203190922U CN203190922U CN 201320161064 CN201320161064U CN203190922U CN 203190922 U CN203190922 U CN 203190922U CN 201320161064 CN201320161064 CN 201320161064 CN 201320161064 U CN201320161064 U CN 201320161064U CN 203190922 U CN203190922 U CN 203190922U
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- screw
- bolt
- measured
- base
- operation substrate
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Abstract
The utility model discloses a tool used for auxiliary measurement of a nut thickness of a screw/bolt comprising a tubular-shaped pedestal having an axis arranged along an up-down direction and an operation substrate disposed on an upper end of the tubular-shaped pedestal. An upper plate surface of the operation substrate is a working bench surface used as a measurement reference surface, and the operation substrate is provided with a circular-shaped through hole used for the inserting of the rod body part of the screw or the bolt to be measured. A diameter of the through hole is greater than a d+2R size of the screw or the bolt to be measured, and is smaller than a diameter of the head part of the screw or the bolt to be measured. The total height of the tool is greater than the length of the rod body part of the screw or the bolt to be measured. The tool used for the auxiliary measurement of the nut thickness of the screw/bolt is advantageous in that the measurement operation is simple and fast, the defect of the projection method measurement of the prior art of the time consuming can be overcome, and the error caused by the indirect measurement can be reduced.
Description
Technical field
The utility model relates to a kind of for the thick frock of subsidiary screws bolts cap, is applicable to the thickness of the head of securing members such as subsidiary bolt, screw, belongs to the machanical fastener technical field.
Background technology
Securing member such as bolt, screw plays a part to connect two or more objects, be in the daily life or industry make in indispensable necessity.Securing member need carry out every Performance Detection after production, comprising thick whether the meeting the requirements of cap of detecting securing member, traditional method is to use the vernier caliper measurement fastener cap thick at present.The securing member that is the plane for head top and bottom such as socket cap securing member, hexagonal-head fastener, square head securing members can directly adopt its cap of vernier caliper measurement thick, and it is thick to adopt the securing member of round-corner transition just can't use vernier caliper directly to measure its cap for the connecting portion of head such as countersunk head securing member and cup head securing member and the body of rod, and it is thick to adopt sciagraphy to measure its cap.
A kind of structure of countersunk head securing member as shown in Figure 1, its head is a cone that angle is α, have the fillet that radius is R between countersunk head fastener head and the body of rod, the thick size H of the cap of countersunk head securing member is from the securing member head end to body of rod nominal diameter size Φ d and the distance of the virtual intersection of angle [alpha] face.It is as follows to adopt sciagraphy to measure the thick process of its cap: use the projector levelling earlier, choose the intersection of Φ d outline line and angle [alpha] outline line then, carry out this intersection of projection measurement then to the distance of fastener head end surface.This method is measured thick every 3 minutes average time spent of cap of countersunk head securing member.
A kind of structure of cup head securing member has the fillet that radius is R as shown in Figure 2 between its head and the body of rod, the thick size H of the cap of cup head securing member is to the distance the head supporting surface from the securing member head end.Because the head end of cup head securing member is arc surface, can't use its cap of vernier caliper measurement thick equally, therefore can only use sciagraphy to measure, at first use the projector levelling, choose its head end upper thread then and support upper thread, carry out this end surface line of projection measurement head and the distance that supports upper thread again.This method is measured cup head every 1 minute average time spent of securing member.
Sciagraphy is measured the thick use projector of the cap levelling of securing member, and not only measuring error is big, efficient is low, and troublesome poeration, wastes time and energy, and has increased the processing cycle of securing member.
Summary of the invention
The purpose of this utility model be to provide a kind of measure simple to operate, be used for the thick frock of subsidiary screws bolts cap fast.
For achieving the above object, the utility model adopts following technical scheme: a kind of for the thick frock of subsidiary screws bolts cap, it comprises base, has the work top as the measuring basis face on the base, base is provided with the vertical circular socket holes that supplies the shank portion insertion of screw to be measured or bolt with work top, the diameter of this jack is greater than the d+2R size of screw to be measured or bolt and less than the diameter of screw to be measured or bolt head, the degree of depth of this jack is greater than the length of the shank portion of screw to be measured or bolt.
A kind of for the thick frock of subsidiary screws bolts cap, it comprises the tubular base that axis arranges along the vertical direction and is arranged on the operation substrate of tubular base upper end, the upper face of operation substrate is the work top as the measuring basis face, offer the manhole that inserts for the shank portion of screw to be measured or bolt on the operation substrate, the diameter of this through hole is greater than the d+2R size of screw to be measured or bolt and less than the diameter of screw to be measured or bolt head, the overall height of this frock is greater than the length of the shank portion of screw to be measured or bolt.
Described operation substrate is sat and is put on base, is provided be used to preventing from operating the end face fixing structure that substrate moves horizontally at the mating surface of base with the operation substrate.
Described end face fixing structure forms by being opened in annular groove on the base inner wall face, that run through the base upper surface, and described operation substrate is inlaid in the annular groove.
A kind of for the thick frock of subsidiary screws bolts cap, it comprises the barrel-shaped base that opening upwards arranges and is arranged on the operation substrate of barrel-shaped base upper end, the upper face of operation substrate is the work top as the measuring basis face, offer the manhole that inserts for the shank portion of screw to be measured or bolt on the operation substrate, the diameter of this through hole is greater than the d+2R size of screw to be measured or bolt and less than the diameter of screw to be measured or bolt head, and the distance of the bottom surface in from the upper face of operation substrate to the cavity of barrel-shaped base is greater than the length of the shank portion of screw to be measured or bolt.
Described operation substrate is sat and is put on base, is provided be used to preventing from operating the end face fixing structure that substrate moves horizontally at the mating surface of base with the operation substrate.
Described end face fixing structure forms by being opened in annular groove on the base inner wall face, that run through the base upper surface, and described operation substrate is inlaid in the annular groove.
Use the utility model to measure the cap of securing member when thick, the screw rod of securing member to be detected is inserted in the circular hole on the work top, use dial gauge or clock gauge to measure the head end of securing member to the distance P of assisting measurement block end face then.For the cup head securing member, this distance P is the thick H of the cap of cup head securing member, measures each test specimen and only needs for 5 seconds; For the countersunk head securing member, be h with the assisting measurement block end face to the range mark of screw rod nominal diameter size Φ d and the virtual intersection of angle [alpha] face, the thick H=P+h of the cap of countersunk head securing member then, the diameter of circular hole is labeled as D on the assisting measurement block, then
Because the diameter D of circular hole and nominal diameter d and the angle [alpha] of securing member to be measured are known, can calculate the h value of different size countersunk head securing member, can make when specification table is used for measurement and inquire about the h value, measure each test specimen cap thick 5 seconds of time spent.This shows, when adopting the cap of frock subsidiary bolt screw of the present utility model thick, measure simple to operately, rapid, overcome the prior art sciagraphy and measured time-consuming shortcoming, but also reduced the error that indirect measurement causes.
Further, the operation substrate sit the structure put on base not only make the utility model cost low, be convenient to processing and manufacturing, and when the cap of the screws bolts of measuring different size is thick, can change the operation substrates with different big small sircle holes.
Description of drawings
Fig. 1 is a kind of structural representation of countersunk head securing member;
Fig. 2 is a kind of structural representation of cup head securing member;
Fig. 3 is the structural representation of the utility model embodiment 1;
Fig. 4 is Fig. 3 vertical view;
Fig. 5 is that the countersunk head securing member among Fig. 1 uses the frock among Fig. 3 to measure the thick synoptic diagram of cap;
Fig. 6 is that the cup head securing member among Fig. 2 uses the frock among Fig. 3 to measure the thick synoptic diagram of cap;
Fig. 7 is the explosive view of the utility model embodiment 2;
Fig. 8 is that the countersunk head securing member among Fig. 1 uses the frock among Fig. 7 to measure the thick synoptic diagram of cap;
Fig. 9 is that the cup head securing member among Fig. 2 uses the frock among Fig. 7 to measure the thick synoptic diagram of cap.
Embodiment
Embodiment 1:
As shown in Figure 3 and Figure 4, the embodiment 1 of the thick measurement frock of the utility model fastener cap, it comprises base 21, has the work top as the measuring basis face on the base 21, base is provided with the vertical circular socket holes 22 that supplies the shank portion insertion of screw to be measured or bolt with work top, the diameter of jack is greater than the d+2R size of screw to be measured or bolt and less than the diameter of screw to be measured or bolt head, the degree of depth of jack is greater than the length of the shank portion of screw to be measured or bolt.Be provided with nine circular holes that diameter is respectively 1.8mm, 2.2mm, 2.7mm, 3.4mm, 4.4mm, 5.6mm, 6.6mm, 8.6mm and 10.6mm on the work top in the present embodiment altogether, corresponding measurement specification is the securing member of M1.6, M2, M2.5, M3, M4, M5, M6, M8 and M10 successively.Use present embodiment to measure the cap of securing member when thick, the screw rod of securing member to be detected is inserted in the circular hole corresponding on the work top, use dial gauge 3 to measure the head end of securing members to the distance P of assisting measurement block end face then.
As shown in Figure 6, when the cap of measurement cup head securing member was thick, distance P was the thick H of the cap of cup head securing member, measured each test specimen and only needed for 5 seconds.
As shown in Figure 5, measure the cap of countersunk head securing member when thick, with the assisting measurement block end face to screw rod nominal diameter size
With the range mark of the virtual intersection of angle [alpha] face be h, the diameter of circular hole on the assisting measurement block is labeled as D, then
Because the diameter D of circular hole and nominal diameter d and the angle [alpha] of securing member to be measured are known, can calculate the h value of different size countersunk head securing member, can make when specification table is used for measuring and inquire about the h value, as shown in table 1.The thick H=P+h of the cap of countersunk head securing member then measures each test specimen cap thick 5 seconds of time spent.
Table 1 countersunk head securing member size h question blank (unit: mm)
Embodiment 2:
As shown in Figure 7 and Figure 8, the embodiment 2 of the thick measurement frock of the utility model fastener cap, the operation substrate 1 that it comprises the tubular base 2 that axis arranges along the vertical direction and is arranged on tubular base upper end, the upper face of operation substrate is the work top as the measuring basis face, offer the manhole that inserts for the shank portion of screw to be measured or bolt on the operation substrate 1, the diameter of this through hole is greater than the d+2R size of screw to be measured or bolt and less than the diameter of screw to be measured or bolt head, the overall height of this frock is greater than the length of the shank portion of screw to be measured or bolt.The operation substrate 1 of present embodiment is to sit to put on base 2, be provided be used to preventing from operating the end face fixing structure that substrate moves horizontally at the mating surface of base with the operation substrate, this end face fixing structure forms by being opened in annular groove on the base inner wall face, that run through the base upper surface, and described operation substrate is inlaid in the annular groove.
Be provided with nine manholes that diameter is respectively 1.8mm, 2.2mm, 2.7mm, 3.4mm, 4.4mm, 5.6mm, 6.6mm, 8.6mm and 10.6mm on the operation substrate in the present embodiment altogether, corresponding measurement specification is the securing member of M1.6, M2, M2.5, M3, M4, M5, M6, M8 and M10 successively.Use present embodiment to measure the cap of securing member when thick, the screw rod of securing member to be detected is inserted in the manhole corresponding on the work top, use dial gauge 3 to measure the head end of securing members to the distance P of assisting measurement block end face then.
As shown in Figure 9, when the cap of measurement cup head securing member was thick, distance P was the thick H of the cap of cup head securing member, measured each test specimen and only needed for 5 seconds.
As shown in Figure 8, the method that the cap of measurement countersunk head securing member is thick is identical with the method for embodiment 1, and the h value of countersunk head securing member can be inquired about according to table 1 equally.
Embodiment 3:
As different from Example 2, the base of present embodiment is the barrel-shaped base that opening makes progress, from the distance of the bottom surface of upper face in the cavity of barrel-shaped base of the operation substrate length greater than the shank portion of screw to be measured or bolt.Because present embodiment is simple in structure, and very little with the difference of embodiment 2, therefore omit accompanying drawing.
The method that the cap of use present embodiment measurement securing member is thick is identical with the method for embodiment 2, and the h value of countersunk head securing member can be inquired about according to table 1 equally.
In other embodiment of the present utility model, the size of circular hole and quantity can arrange according to the bolt of actual measurement and the specification of screw on the work top, and as long as the circular hole pore size is greater than the d+2R size of securing member to be detected and less than the diameter of fastener head to be detected.
In other embodiment of the present utility model, when frock of the present utility model adopts the structure of base and operation substrate, the operation substrate can be for a plurality of, the bolt of suitable one or more different size and the manhole that screw inserts can be set on each operation substrate, in actual measurement, according to the specification selection operation substrate of bolt and screw.
In other embodiment of the present utility model, the operation substrate also can be to be fixedly mounted on the base; The end face fixing structure also can constitute with the identical projection that cooperates of annular groove by being opened in the annular groove on the operation substrate and being arranged on the base end face.
Claims (6)
1. one kind is used for the thick frock of subsidiary screws bolts cap, it is characterized in that: it comprises base, has the work top as the measuring basis face on the base, base is provided with the vertical circular socket holes that supplies the shank portion insertion of screw to be measured or bolt with work top, the diameter of this jack is greater than the d+2R size of screw to be measured or bolt and less than the diameter of screw to be measured or bolt head, the degree of depth of this jack is greater than the length of the shank portion of screw to be measured or bolt.
2. one kind is used for the thick frock of subsidiary screws bolts cap, it is characterized in that: it comprises the tubular base that axis arranges along the vertical direction and is arranged on the operation substrate of tubular base upper end, the upper face of operation substrate is the work top as the measuring basis face, offer the manhole that inserts for the shank portion of screw to be measured or bolt on the operation substrate, the diameter of this through hole is greater than the d+2R size of screw to be measured or bolt and less than the diameter of screw to be measured or bolt head, the overall height of this frock is greater than the length of the shank portion of screw to be measured or bolt.
3. according to claim 2 a kind of for the thick frock of subsidiary screws bolts cap, it is characterized in that: described operation substrate is sat and is put on base, is provided be used to preventing from operating the end face fixing structure that substrate moves horizontally at the mating surface of base with the operation substrate.
4. according to claim 3 a kind of for the thick frock of subsidiary screws bolts cap, it is characterized in that: described end face fixing structure forms by being opened in annular groove on the base inner wall face, that run through the base upper surface, and described operation substrate is inlaid in the annular groove.
5. one kind is used for the thick frock of subsidiary screws bolts cap, it is characterized in that: it comprises the barrel-shaped base that opening upwards arranges and is arranged on the operation substrate of barrel-shaped base upper end, the upper face of operation substrate is the work top as the measuring basis face, offer the manhole that inserts for the shank portion of screw to be measured or bolt on the operation substrate, the diameter of this through hole is greater than the d+2R size of screw to be measured or bolt and less than the diameter of screw to be measured or bolt head, and the distance of the bottom surface in from the upper face of operation substrate to the cavity of barrel-shaped base is greater than the length of the shank portion of screw to be measured or bolt.
6. according to claim 5 a kind of for the thick frock of subsidiary screws bolts cap, it is characterized in that: described operation substrate is sat and is put on base, is provided be used to preventing from operating the end face fixing structure that substrate moves horizontally at the mating surface of base with the operation substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320161064 CN203190922U (en) | 2013-04-02 | 2013-04-02 | Tool used for auxiliary measurement of nut thickness of screw/bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320161064 CN203190922U (en) | 2013-04-02 | 2013-04-02 | Tool used for auxiliary measurement of nut thickness of screw/bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203190922U true CN203190922U (en) | 2013-09-11 |
Family
ID=49107775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320161064 Expired - Fee Related CN203190922U (en) | 2013-04-02 | 2013-04-02 | Tool used for auxiliary measurement of nut thickness of screw/bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203190922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300226A (en) * | 2015-11-19 | 2016-02-03 | 吴江市莘塔前进五金厂 | Multifunctional bolt go-no go gauge |
-
2013
- 2013-04-02 CN CN 201320161064 patent/CN203190922U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300226A (en) * | 2015-11-19 | 2016-02-03 | 吴江市莘塔前进五金厂 | Multifunctional bolt go-no go gauge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20170402 |