CN202974365U - Press-type measuring head - Google Patents
Press-type measuring head Download PDFInfo
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- CN202974365U CN202974365U CN 201220628727 CN201220628727U CN202974365U CN 202974365 U CN202974365 U CN 202974365U CN 201220628727 CN201220628727 CN 201220628727 CN 201220628727 U CN201220628727 U CN 201220628727U CN 202974365 U CN202974365 U CN 202974365U
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- inner core
- measuring head
- test subject
- type measuring
- push type
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- 238000012360 testing method Methods 0.000 claims description 73
- 230000000694 effects Effects 0.000 claims description 11
- 230000000295 complement effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 12
- 238000007789 sealing Methods 0.000 description 12
- 238000001514 detection method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009795 derivation Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model provides a press-type measuring head, and belongs to the technical field of measuring tools. The press-type measuring head solves the problems that an existing measuring head component is short in service life and water leakage of a valve is easy to cause. The press-type measuring head comprises a measuring needle head and a cylindrical measuring main body, wherein a spring and an inner core are arranged in the measuring main body, the inner core is in a cylindrical shape, a block edge is arranged at one end, close to the spring, of the inner core, the block edge seals one end of the inner core, a block shoulder is arranged at the top of the measuring main body, one end of the spring is abutted against the measuring main body, and the other end of the spring is abutted against the block edge of the inner core. Under the function of elasticity of the spring, the block edge has the tendency of being abutted against on the block shoulder, the inner core is enabled to seal and block the top of the measuring main body, and a plurality of through holes are formed in the side portion of the inner core. The press-type measuring head has the advantages of being simple in structure, long in service life and the like.
Description
Technical field
The utility model belongs to the testing tool technical field, relates to a kind of push type measuring head, particularly a kind of testing valve in front of the door after the push type measuring head of pressure and flow.
Background technology
Valve is the control assembly in fluid delivery system, have cut-off, adjusting, water conservancy diversion, prevent the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief, need it is detected after the valve production and processing is completed or after the disintegration checking maintenance, with guarantee valve in use product be to be in qualified state.
When using valve detection equipment that valve is detected, need to be on valve installation testing head assembly, detect with derivation such as the pressure of convenient fluid with valve internal, flows, existing measuring head assembly, for example temperature-control balancing valve [application number 201010126823.0 that discloses of Chinese patent literature data; Publication No.: CN101865314A], the entrance point of its valve body is provided with the measuring head assembly, endpiece is provided with another measuring head assembly, the measuring head assembly comprises rubber gasket, test head cap, measuring head body, caulking gum, be provided with caulking gum in the measuring head body, be provided with rubber gasket between measuring head body and test head cap, the measuring head body is threaded connection with the test head cap.
This kind measuring head assembly punctures caulking gum with needle like tube when pressure or test traffic, this moment, fluid was derived from valve body, and the fluid of derivation can be used for testing the related datas such as its internal pressure and flow.Need to puncture caulking gum during this kind measuring head component detection, larger to the breakage of caulking gum, caulking gum easily damages, and makes the serviceable life of measuring head assembly short, and the damage of caulking gum, easily causes valve to leak, and affects the sealing effectiveness of valve.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, provides a kind of simple in structure, and long service life solves the push type measuring head of the valve seepy question repeatedly penetrated by syringe needle to cause.
the purpose of this utility model can realize by following technical proposal: a kind of push type measuring head, comprise test syringe needle and tubular test subject, it is characterized in that, be provided with spring and tubular inner core in described test subject, described inner core has the gear edge near an end of spring, and gear is along an end of the above-mentioned inner core of sealing, the top of described test subject has shoulder block, one end of above-mentioned spring is on test subject, the other end is resisted against the gear of above-mentioned inner core along upper, in the effect lower block of spring force along having the trend that is resisted against on shoulder block, make the top of inner core shutoff test subject, the sidepiece of described inner core has several through holes.
Inner core in test subject under the effect of spring force, the top of shutoff test subject, this push type measuring head is closed type.During test, the test syringe needle enters in test subject, inner core by the testing needle crown overcomes spring force and one is risen move down, the gear that makes inner core is along being separated with the shoulder block of test subject and the through hole of interior core side is connected with cavity in test subject, the fluid of valve inner enters into checkout equipment by test subject, through hole, inner core, realization is to data tests such as valve flow and pressure, and is simple in structure, long service life.
In above-mentioned a kind of push type measuring head, the week on described gear edge fits with the madial wall of test subject laterally, and the edge on described gear edge has the breach that several are " U " shape.This kind structure, when measuring head is in closure state, gear along with the good sealing effect of shoulder block, when measuring head was in opening, the breach of fluid by the gear edge enters inner core from the through hole of inner core, and be simple in structure, rational in infrastructure.
In above-mentioned a kind of push type measuring head, the outside of described inner core is arranged with rubber washer, and above-mentioned rubber washer is positioned at the downside of through hole.The existence of rubber washer strengthens the sealing effectiveness of inner core, makes the measuring head integral sealing effect good.
In above-mentioned a kind of push type measuring head, described test syringe needle comprises shank, contiguous block, "O"-ring and holder, described shank is fixed in contiguous block, described contiguous block is fixed on an end of holder, and be provided with above-mentioned "O"-ring between contiguous block and holder, above-mentioned shank stretches out outside holder, and the inside of shank is the pipeline of the hollow form that runs through, and it stretches out on the sidewall of holder one end and has the limbers, has the passage that is connected with pipeline in shank in described holder.The test syringe needle enters into test subject makes measuring head be in opening, the cavity of fluid in valve body in the test subject, through hole on inner core enters inner core, limbers by the shank side-walls enters in the pipeline of shank inside again, enter in checkout equipment along the pipeline in shank and the passage in holder, fluid flow direction is clear and definite, and the setting of "O"-ring makes the integral sealing effect of measuring head good.
In above-mentioned a kind of push type measuring head, the outside of described contiguous block cover has nut, and above-mentioned shank stretches out outside nut, and the top outer of described test subject has the external thread that is complementary with above-mentioned nut.Test subject is connected by screw thread with the test syringe needle, when rotating nut made the test syringe needle enter in test subject, syringe needle promoted the power of inner core greater than spring force, and inner core is moved down, flow circulation passage in measuring head is connected, and measuring head is in opening; When the reverse rotation nut, move on shank, inner core moves under the effect of spring force, and when nut broke away from test subject, inner core was returned to initial position, and the circulation passage in measuring head is truncated, and measuring head is in closure state.Control the movement of inner core by screw thread rotation, mobile stable, good stability.
In above-mentioned a kind of push type measuring head, the bottom of described test subject has external thread.Test subject is connected mutually by screw thread and valve body, and syndeton is simple.
In above-mentioned a kind of push type measuring head, the quantity of described through hole is five.Quantity is according to the actual conditions manufacturing.
In above-mentioned a kind of push type measuring head, the quantity of described breach is six.Quantity is according to the actual conditions manufacturing.
Compared with prior art, the push type measuring head that the utility model provides presses down by shank the elastic force that overcomes spring moves down inner core, thereby makes the fluid in valve body enter into checkout equipment realization detection by measuring head; Rotating nut makes on shank and moves, and inner core is returned to the fluid passage of initial position truncation test head under the effect of spring force, finishes test, and the sealing test head is simple in structure, solves the seepy question that valve produces because of test, long service life.
Description of drawings
Fig. 1 is the one-piece construction cut-open view of this push type measuring head.
Fig. 2 is the structural representation of the inner core of this push type measuring head.
In figure, 1, the test syringe needle; 1a, shank; 1a1, pipeline; 1a2, limbers; 1b, contiguous block; 1c, "O"-ring; 1d, holder; 1d 1, passage; 2, test subject; 2a, shoulder block; 3, spring; 4, inner core; 4a, the gear edge; 4a 1, breach; 4b, through hole; 5, rubber washer; 6, nut.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
This push type measuring head is arranged on water inlet end or the place, water side of valve body, is used for connecting valve body and checkout equipment, the interior fluid of valve body can be entered in checkout equipment by this measuring head detect.As shown in Figure 1, it comprises test subject 2 and test syringe needle 1.
test subject 2 is tubular, its top and bottom all have external thread, the screw thread of lower end is used for being connected with valve body screw thread, its inside is provided with spring 3 and tubular inner core 4, inner core 4 hollows, the medial surface at lateral surface and test subject 2 tops is close to and is closed, inner core 4 has five through hole 4b near on the sidewall of spring 3 one ends, the quantity of through hole 4b arranges according to actual needs, inner core 4 also has gear along 4a near an end of spring 3, gear is along the diameter of the 4a diameter greater than inner core 4, gear is along an end of 4a sealing inner core 4, gear is close to the sidewall of test subject 2 internal cavities laterally along the week of 4a and is closed, gear has six scarce 4a1 that are " U " shape along the edge of 4a, the quantity that lacks 4a1 arranges according to actual needs.The outside of inner core 4 is arranged with rubber washer 5, and rubber washer 5 is positioned at gear along the top of 4a, and is positioned at the below of through hole 4b, and the gap between sealing inner core 4 and test subject 2 makes the integral sealing effect of this measuring head good.Spring 3 is positioned at the below of inner core 4, the one end is resisted against it is axially fixed on the interior bolt of test subject 2, the other end is resisted against gear along on 4a, test subject 2 inside upper part have shoulder block 2a, effect lower block at spring 3 elastic force is resisted against on shoulder block 2a along 4a, makes the top of inner core 4 sealing test main bodys 2.Measuring head is in normally off.
test syringe needle 1 comprises shank 1a, contiguous block 1b, " O " type circle 1c and holder 1d, shank 1a is the thin tube-like of inner hollow, its inside has the pipeline 1a1 that runs through, the end of shank 1a is fixed in contiguous block 1b, contiguous block 1b is fixed on the end of holder 1d, be provided with between contiguous block 1b and holder 1d " O " type circle 1c, make the integral sealing effect of measuring head good, the outside cover of contiguous block 1b has nut 6, the other end of shank 1a stretches out outside nut 6, it stretches out the outer end of nut 6 and has limbers 1a2 near on the sidewall of end, the end of holder 1d is external thread structure, be used for connecting checkout equipment, has passage 1d1 in holder 1d, passage 1d1 is connected with the pipeline 1a1 of shank 1a.
this push type measuring head in use, test syringe needle 1 is inserted in the inner core 4 at test subject 2 tops, by rotating nut 6, test syringe needle 1 is moved to test subject 2, shank 1a withstands on the gear of inner core 4 along on 4a, the elastic force that overcomes spring 3 makes inner core 4 towards spring 3 one side shiftings, cavity in through hole 4b and test subject 2 on inner core 4 sidewalls is connected, thereby make the fluid in valve body pass through test subject 2, along gear along the breach 4a1 that makes progress in 4a week, through hole 4b on inner core 4 sidewalls, shank 1a is resisted against the limbers 1a2 of the end on inner core 4, pipeline 1a1 in shank 1a, passage 1d1 in holder 1d, flow in checkout equipment, complete the flow before and after valve body, the tests such as pressure, solve valve because repeatedly testing the seepy question that causes, simple in structure, easy to process, long service life.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper more used test syringe needle 1, shank 1a, pipeline 1a1, limbers 1a2, contiguous block 1b, " O " and type circle 1c, holder 1d, passage 1d1, test subject 2, shoulder block 2a, spring 3, inner core 4, gear along 4a, lack the terms such as 4a1, through hole 4b, rubber washer 5, nut 6, do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (8)
1. push type measuring head, comprise test syringe needle (1) and tubular test subject (2), it is characterized in that, be provided with spring (3) and tubular inner core (4) in described test subject (2), described inner core (4) has gear along (4a) near an end of spring (3), and gear seals an end of above-mentioned inner core (4) along (4a), the top of described test subject (2) has shoulder block (2a), one end of above-mentioned spring (3) is on test subject (2), the other end is resisted against the gear of above-mentioned inner core (4) along on (4a), effect lower block at spring (3) elastic force has along (4a) trend that is resisted against on shoulder block (2a), make the top of inner core (4) shutoff test subject (2), the sidepiece of described inner core (4) has several through holes (4b).
2. a kind of push type measuring head according to claim 1, it is characterized in that, described gear fitted with the madial wall of test subject (2) laterally along week of (4a), and described gear has several breach that is " U " shape (4a1) along the edge of (4a).
3. a kind of push type measuring head according to claim 1, is characterized in that, the outside of described inner core (4) is arranged with rubber washer (5), and above-mentioned rubber washer (5) is positioned at the downside of through hole (4b).
4. according to claim 1 and 2 or 3 described a kind of push type measuring heads, it is characterized in that, described test syringe needle (1) comprises shank (1a), contiguous block (1b), " O " type circle (1c) and holder (1d), described shank (1a) is fixed in contiguous block (1b), described contiguous block (1b) is fixed on an end of holder (1d), and be provided with above-mentioned between contiguous block (1b) and holder (1d) " O " type circle (1c), above-mentioned shank (1a) stretches out outside holder (1d), and the inside of shank (1a) is the pipeline (1a1) of the hollow form that runs through, and it stretches out on the sidewall of holder (1d) end and has limbers (1a2), have in described holder (1d) with shank (1a) in the passage (1d1) that is connected of pipeline (1a1).
5. a kind of push type measuring head according to claim 4, it is characterized in that, the outside cover of described contiguous block (1b) has nut (6), above-mentioned shank (1a) stretches out outside nut (6), and the top outer of described test subject (2) has the external thread that is complementary with above-mentioned nut (6).
6. according to claim 1 and 2 or 3 described a kind of push type measuring heads, is characterized in that, the bottom of described test subject (2) has external thread.
7. according to claim 1 and 2 or 3 described a kind of push type measuring heads, is characterized in that, the quantity of described through hole (4b) is five.
8. a kind of push type measuring head according to claim 2, is characterized in that, the quantity of described breach (4a1) is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628727 CN202974365U (en) | 2012-11-23 | 2012-11-23 | Press-type measuring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628727 CN202974365U (en) | 2012-11-23 | 2012-11-23 | Press-type measuring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202974365U true CN202974365U (en) | 2013-06-05 |
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ID=48515424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220628727 Expired - Fee Related CN202974365U (en) | 2012-11-23 | 2012-11-23 | Press-type measuring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202974365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067183A (en) * | 2015-09-10 | 2015-11-18 | 赵宝林 | Pressure measuring valve |
| CN108680219A (en) * | 2018-08-14 | 2018-10-19 | 宁波时代仪表有限公司 | A kind of down-mounting type preventing frostbite water meter |
-
2012
- 2012-11-23 CN CN 201220628727 patent/CN202974365U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067183A (en) * | 2015-09-10 | 2015-11-18 | 赵宝林 | Pressure measuring valve |
| CN108680219A (en) * | 2018-08-14 | 2018-10-19 | 宁波时代仪表有限公司 | A kind of down-mounting type preventing frostbite water meter |
| CN108680219B (en) * | 2018-08-14 | 2023-10-31 | 宁波时代仪表有限公司 | Down-loading frost crack prevention water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: VOLDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. Free format text: FORMER OWNER: ZHUO DANCHUN Effective date: 20140417 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317608 TAIZHOU, ZHEJIANG PROVINCE TO: 223900 SUQIAN, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140417 Address after: Suqian City, Jiangsu province Shuang'gou 223900 west of Sihong County Economic Development Zone No. 388 Patentee after: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. Address before: Taizhou City, Zhejiang province 317608 Yuhuan County Lu Pu Industrial Park Zhejiang world HVAC technology Co Ltd Patentee before: Zhuo Danchun |
|
| 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: 20130605 Termination date: 20171123 |