CN208125029U - Water meter copper shell inside/outside diameter size detection device - Google Patents
Water meter copper shell inside/outside diameter size detection device Download PDFInfo
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- CN208125029U CN208125029U CN201820514643.1U CN201820514643U CN208125029U CN 208125029 U CN208125029 U CN 208125029U CN 201820514643 U CN201820514643 U CN 201820514643U CN 208125029 U CN208125029 U CN 208125029U
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- jig
- water meter
- copper shell
- cylinder
- meter copper
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Abstract
The utility model relates to a kind of water meter copper shell inside/outside diameter size detection device, including step jig and depression jig, the shape of the step jig is matched with the inner surface configuration of water meter copper shell, and the water meter copper shell tips upside down on the step jig；The inner wall shape of the depression jig is matched with the external surface shape of the water meter copper shell, and the water meter copper shell forward direction is placed in inside the depression jig.The utility model can be detected fast and accurately by the operation placed and taken out twice, determine whether the inside/outside diameter size of three cylindrical sections meets design requirement；It takes between jig and measured water meter copper shell conveniently, no interference；Jig is at low cost, long service life.
Description
Technical field
The utility model relates to water meter production field, in particular to a kind of water meter copper shell inside/outside diameter size detection device.
Background technique
A kind of water meter copper shell, structure is as shown in Figure 1, include the first, second, third cylinder 1,2,3, the water meter copper shell is logical
It crosses on the circumference of copper shell top (i.e. the first cylinder 1) end face and outputs notch 4, export the data line in water meter, and utilize curling piece 5
Carry out lineation, be avoided to export data line and on glass cover-plate drill bring glass orifice chip, be difficult to seal, be processed into
This high drawback.Assembled water meter component needs to be fitted close with other parts, which needs to manage three sections respectively
Outside diameter of cylinder after stretching controls its size in the margin of tolerance；In addition it needs to guarantee that part can be placed into and assemble in water meter, needs
The barrel bore after three-stage tension is managed respectively, controls its size in the margin of tolerance.
Therefore, how produce in enormous quantities when can fast and accurately detect, determine three cylindrical sections inside/outside diameter size whether
Meet design requirement, is those skilled in the art's technical problem urgently to be resolved.
Utility model content
The utility model provides a kind of water meter copper shell inside/outside diameter size detection device, to solve the above technical problems.
In order to solve the above technical problems, the utility model provides a kind of water meter copper shell inside/outside diameter size detection device, including
The shape of step jig and depression jig, the step jig is matched with the inner surface configuration of water meter copper shell, the water meter copper shell
It tips upside down on the step jig；The inner wall shape of the depression jig is matched with the external surface shape of the water meter copper shell, institute
Water meter copper shell forward direction is stated to be placed in inside the depression jig.
Preferably, being equipped with the first stomata at the top of the step jig, first stomata passes through the bottom of the step jig
Portion is connected to by first switch with gas main；The bottom of the depression jig is equipped with the second stomata, and second stomata passes through institute
The bottom for stating depression jig is connected to by second switch with the gas main.
Preferably, the step jig and depression jig are all made of Steel material and are made.
Preferably, the step jig includes and the corresponding first step of the first cylinder, corresponding with the second cylinder second
Step and third step corresponding with the 3rd cylinder, under the id tolerance of the more described the first cylinder of the diameter of the first step
Limit small 0.03mm, the small 0.03mm of id tolerance lower limit of the more described the second cylinder of the diameter of the second step, the third platform
The small 0.02mm of id tolerance lower limit of the more described the 3rd cylinder of the diameter of rank.
Preferably, the depression jig include and the first cylinder it is corresponding first recess, corresponding with the second cylinder second
Recess and third corresponding with the 3rd cylinder are recessed, on the outer diameter tolerance of more described the first cylinder of diameter of first recess
Limit big 0.12mm, the big 0.02mm of the outer diameter tolerance upper limit of more described the second cylinder of diameter of second recess, the third is recessed
The big 0.02mm of the outer diameter tolerance upper limit of the more described the 3rd cylinder of sunken diameter.
Compared with prior art, water meter copper shell inside/outside diameter size detection device provided by the utility model, including step are controlled
Tool and depression jig, the shape of the step jig are matched with the inner surface configuration of water meter copper shell, and the water meter copper shell tips upside down on
On the step jig；The inner wall shape of the depression jig is matched with the external surface shape of the water meter copper shell, the water meter
Copper shell forward direction is placed in inside the depression jig.The utility model can be quick, quasi- by the operation placed and taken out twice
Whether the inside/outside diameter size of true detection, three cylindrical sections of judgement meets design requirement；Between jig and measured water meter copper shell
It takes conveniently, no interference；Jig is at low cost, long service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of water meter copper shell；
Fig. 2 is the structural representation of water meter copper shell inside/outside diameter size detection device in one specific embodiment of the utility model
Figure；
Fig. 3 a is step jig in water meter copper shell inside/outside diameter size detection device in one specific embodiment of the utility model
Cross-sectional view；
Fig. 3 b is depression jig in water meter copper shell inside/outside diameter size detection device in one specific embodiment of the utility model
Cross-sectional view.
In Fig. 1：1- the first cylinder, 2- the second cylinder, 3- the 3rd cylinder, 4- notch, 5- crimp piece；
In Fig. 2 to Fig. 3 b：10- step jig, the first stomata of 11-, 12- first switch, 20- depression jig, the second gas of 21-
Hole, 22- second switch, 30- gas main, 40- water meter copper shell.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.It should be noted that the utility model attached drawing is all made of simplified form
And non-accurate ratio is used, only to convenient, lucidly aid illustration the utility model embodiment purpose.
Water meter copper shell inside/outside diameter size detection device provided by the utility model, as shown in Fig. 2,3a and 3b, including step
The shape of jig 10 and depression jig 20, the step jig 10 is matched with the inner surface configuration of water meter copper shell 40, the water meter
Copper shell 40 tips upside down on the step jig 10；The outer surface of the inner wall shape of the depression jig 20 and the water meter copper shell 40
Shape matching, 40 forward direction of water meter copper shell are placed in inside the depression jig 20.When practical application, if water meter copper shell 40 divides
When not being placed on jig, the covering of energy freely falling body or depression enter jig and can touch jig lower end plane, then the three of product
Cylindrical section inside/outside diameter size meets tolerance, that is to say, that the utility model passes through placement twice and the operation taken out
It fast and accurately detects, determine whether the inside/outside diameter size of three cylindrical sections meets design requirement；Jig and measured water meter copper
It takes between shell 40 conveniently, no interference；Jig is at low cost, long service life.
Preferably, please continue to refer to Fig. 2,3a and 3b, it is equipped with the first stomata 11 at the top of the step jig 10, described first
Stomata 11 passes through the bottom of the step jig 10, is connected to by first switch 12 with gas main 30；The depression jig 20
Bottom is equipped with the second stomata 21, and second stomata 21 passes through the bottom of the depression jig 20, passes through second switch 22 and institute
State the connection of gas main 30.Accurate in order to measure, gap is very small between jig and water meter copper shell 40, the water meter after completing detection
The pull of vacuum that copper shell 40 is generated due to small―gap suture, taking-up is extremely difficult, and the present embodiment is opened by external compressed air pressure
Breakdown closes, and ejects water meter copper shell 40 using air, completes to take, improves working efficiency.
It is made preferably, the step jig 10 and depression jig 20 are all made of DC53 die steel material, by surface mirror
Face polishes and is heat-treated, and is not worn with ensuring to be used for a long time, extends jig service life.
Preferably, ask emphasis with reference to Fig. 3 a, the step jig 10 includes first step corresponding with the first cylinder, with the
The corresponding second step of two cylinders and third step corresponding with the 3rd cylinder, the diameter of the first step more described first
The diameter of the small 0.03mm of id tolerance lower limit of cylinder, the second step are small compared with the id tolerance lower limit of described the second cylinder
0.03mm, the small 0.02mm of id tolerance lower limit of more described the 3rd cylinder of diameter of the third step, to adapt to the 3rd cylinder
Height bottom, the small feature of diameter, can accurately detect three cylindrical sections inside/outside diameter size whether meet design requirement and
Interference；
Preferably, ask emphasis with reference to Fig. 3 b, the depression jig 20 includes the first recess corresponding with the first cylinder, with the
Two cylinders it is corresponding second recess and third corresponding with the 3rd cylinder recess, due to stretch after the first cylinder have it is biggish
Drafting angle, burr and end face notch influence, and the diameter of first recess is big compared with the outer diameter tolerance upper limit of described the first cylinder
0.12mm, the big 0.02mm of the outer diameter tolerance upper limit of more described the second cylinder of diameter of second recess, the third recess
The big 0.02mm of the outer diameter tolerance upper limit of the more described the 3rd cylinder of diameter, can accurately detect three cylindrical sections inside/outside diameter size whether
Meet design requirement, and is avoided that interference.
In conclusion water meter copper shell inside/outside diameter size detection device provided by the utility model, including 10 He of step jig
The shape of depression jig 20, the step jig 10 is matched with the inner surface configuration of water meter copper shell 40, and the water meter copper shell 40 falls
It is buckled on the step jig 10；The external surface shape of the inner wall shape of the depression jig 20 and the water meter copper shell 40
Match, 40 forward direction of water meter copper shell is placed in inside the depression jig 20.The utility model by twice place and take out
Whether the inside/outside diameter size that operation can fast and accurately detect, determine three cylindrical sections meets design requirement；Jig and be measured
Water meter copper shell 40 between take conveniently, no interference；Jig is at low cost, long service life.
Obviously, it is practical new without departing from this can to carry out various modification and variations to utility model by those skilled in the art
The spirit and scope of type.If in this way, these modifications and variations of the present invention belong to the utility model claims and its
Within the scope of equivalent technologies, then the utility model is also intended to including these modification and variations.
Claims (5)
1. a kind of water meter copper shell inside/outside diameter size detection device, which is characterized in that including step jig and depression jig, described
The shape of rank jig is matched with the inner surface configuration of water meter copper shell, and the water meter copper shell tips upside down on the step jig；It is described
The inner wall shape of depression jig is matched with the external surface shape of the water meter copper shell, and the water meter copper shell forward direction is placed in described heavy
It falls into inside jig.
2. water meter copper shell inside/outside diameter size detection device as described in claim 1, which is characterized in that at the top of the step jig
Equipped with the first stomata, first stomata passes through the bottom of the step jig, is connected to by first switch with gas main；It is described
The bottom of depression jig be equipped with the second stomata, second stomata pass through the depression jig bottom, by second switch with
The gas main connection.
3. water meter copper shell inside/outside diameter size detection device as described in claim 1, which is characterized in that the step jig and heavy
Sunken jig is all made of Steel material and is made.
4. water meter copper shell inside/outside diameter size detection device as described in claim 1, which is characterized in that the step jig includes
And the corresponding first step and corresponding second step of the second cylinder and third platform corresponding with the 3rd cylinder of the first cylinder
Rank, the small 0.03mm of id tolerance lower limit of the more described the first cylinder of the diameter of the first step, the diameter of the second step
The internal diameter of the small 0.03mm of id tolerance lower limit of more described the second cylinder, more described the 3rd cylinder of diameter of the third step are public
The poor small 0.02mm of lower limit.
5. water meter copper shell inside/outside diameter size detection device as described in claim 1, which is characterized in that the depression jig includes
And the first cylinder corresponding first is recessed, and and the second cylinder corresponding second is recessed and third corresponding with the 3rd cylinder is recessed
It falls into, the big 0.12mm of the outer diameter tolerance upper limit of more described the first cylinder of diameter of first recess, the diameter of second recess
The big 0.02mm of the outer diameter tolerance upper limit of more described the second cylinder, the outer diameter of more described the 3rd cylinder of diameter of the third recess are public
The poor big 0.02mm of the upper limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820514643.1U CN208125029U (en) | 2018-04-12 | 2018-04-12 | Water meter copper shell inside/outside diameter size detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820514643.1U CN208125029U (en) | 2018-04-12 | 2018-04-12 | Water meter copper shell inside/outside diameter size detection device |
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| Publication Number | Publication Date |
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| CN208125029U true CN208125029U (en) | 2018-11-20 |
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| CN201820514643.1U Active CN208125029U (en) | 2018-04-12 | 2018-04-12 | Water meter copper shell inside/outside diameter size detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592752A (en) * | 2018-04-12 | 2018-09-28 | 昆山捷若尔精密机械有限公司 | Water meter copper shell inside/outside diameter size detection device |
-
2018
- 2018-04-12 CN CN201820514643.1U patent/CN208125029U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592752A (en) * | 2018-04-12 | 2018-09-28 | 昆山捷若尔精密机械有限公司 | Water meter copper shell inside/outside diameter size detection device |
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