CN207019838U - Transmitter and its interface structure - Google Patents
Transmitter and its interface structure Download PDFInfo
- Publication number
- CN207019838U CN207019838U CN201720010722.4U CN201720010722U CN207019838U CN 207019838 U CN207019838 U CN 207019838U CN 201720010722 U CN201720010722 U CN 201720010722U CN 207019838 U CN207019838 U CN 207019838U
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- China
- Prior art keywords
- transmitter
- interface structure
- annular projection
- rod
- plug
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Abstract
The utility model discloses a kind of transmitter and its interface structure, plug hole that the interface structure of transmitter includes being opened on transmitter body, the annular projection being connected to around the plug hole on the transmitter body；The inner circumferential side of the annular projection is provided with internal thread, and circumferential lateral surface is provided with external screw thread.Interface structure of the present utility model, pass through annular projection and its externally threaded setting, facilitate it to be directly connected to maintenance pipeline, transmitter can be made to complete the service works such as the verification of differential pressure transmitter, water-filling exhaust in the case where not removing instrument pipeline, realize the No leakage on-bne repair of transmitter.
Description
Technical field
It the utility model is related to a kind of interface structure, more particularly to a kind of interface structure of transmitter and the transmitter.
Background technology
The service work of differential pressure transmitter, inside and outside the island workflow is basically identical, the difference is that transmitter devices in island
The medium contacted often has radioactivity, it is necessary to which the measure that properly protects, prevents radiating medium contaminated equipment, environment and people
Member, this subject matter run into when being also and carrying out transmitter service work in nuclear island.Due to during daily unit operation in nuclear island
Equipment is difficult to approach, so transmitter service work quality has very high requirement in heap nuclear island, after service work completion,
The reliability of butt joint, which need to carry out repeatedly checking, to be confirmed.Lost additionally, due to medium in pipeline, sufficient water-filling exhaust need to be carried out
Bubble-free in guarantee of work pipeline and transmitter.
Plug hole on transmitter at present, sealed by plug during normal operation, pull down plug during maintenance connects inspection in addition
Repair pipeline.And due to the setting of plug hole side upper air-vent, the sealing of card steam vent, therefore hardly possible are difficult to ensure after maintenance pipeline is connected
To have avoided two contaminated equipments of radiating medium leakage, environment and personnel.
Utility model content
The technical problems to be solved in the utility model is, there is provided a kind of pick-up for realizing transmitter No leakage on-bne repair
The interface structure of device and the transmitter with the interface structure.
Technical scheme is used by the utility model solves its technical problem：A kind of interface structure of transmitter is provided,
Including the plug hole being opened on transmitter body, the convex annular being connected to around the plug hole on the transmitter body
Post；The inner circumferential side of the annular projection is provided with internal thread, and circumferential lateral surface is provided with external screw thread.
Preferably, the internal thread extends to the internal face in the plug hole.
Preferably, the annular projection is integrally attached on the transmitter body.
Preferably, the interface structure also includes the plug being detachably connected on the annular projection.
Preferably, the plug includes the body of rod and the head being connected on described body of rod one end；
The circumferential lateral surface of the body of rod is provided with screw thread, and the body of rod passes through the screw thread and the internal thread of the annular projection
Coordinate and be located in the annular projection and extend in the plug hole, the head coordinates at the end of the annular projection
On face.
Preferably, the plug hole includes the larger first paragraph of internal diameter and the less second segment of internal diameter and is connected to the
One section of changeover portion between second segment；The internal face of the first paragraph is connected with the inner circumferential side of the annular projection.
Preferably, the one end of the body of rod away from the head extends in the first paragraph and is connected to the changeover portion
On.
Preferably, the interface structure also includes the ball sealer being connected between the body of rod and changeover portion.
Preferably, the ball sealer is integrally attached on one end end of the body of rod away from the head.
The utility model also provides a kind of transmitter, including the interface structure described in any of the above item.
The beneficial effects of the utility model：Annular projection and its externally threaded setting, facilitate itself and maintenance in interface structure
Pipeline is directly connected to, and transmitter can be made to complete the verification of differential pressure transmitter, water-filling row in the case where not removing instrument pipeline
The service works such as gas, realize the No leakage on-bne repair of transmitter.The interface structure has daily sealing function and as maintenance
Structure carries out the dual-use function of on-bne repair.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the structural representation of the interface structure of the transmitter of the embodiment of the utility model one.
Embodiment
In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, it is detailed now to compare accompanying drawing
Illustrate specific embodiment of the present utility model.
As shown in figure 1, the interface structure of the transmitter of the embodiment of the utility model one, including it is opened in transmitter body 1
On plug hole 10, the annular projection 20 that is connected to around plug hole 10 on transmitter body 1.The inner circumferential side of annular projection 20
Provided with internal thread 21, circumferential lateral surface is provided with external screw thread 22.The annular projection 20 is overall structure, and side does not set steam vent.
The internal thread 21 of annular projection 20, it can coordinate with plug, plug hole 10 is sealed, realize the daily sealing of transmitter
Function.Internal thread 21 extends to the internal face in plug hole 10, facilitates plug to be screw-coupled in plug hole 10.
The external screw thread 22 of annular projection 20, it can coordinate with the joint screw thread on maintenance pipeline, realize on-bne repair.
Preferably, annular projection 20 is integrally attached on transmitter body 1, good integrity.
Wherein, plug hole 10 is penetrated to transmitter body 1.The plug hole 10 includes the larger He of first paragraph 11 of internal diameter
The less second segment 12 of internal diameter and the changeover portion 13 being connected between first paragraph 11 and second segment 12.Changeover portion 13 is in internal diameter
Reduce structure, and first paragraph 11 is connected with the larger one end of internal diameter.
The internal face of the first paragraph 11 of plug hole 10 is connected with the inner circumferential side of annular projection 20, and internal thread 21 is along annular
The inner circumferential side of projection 20 is extended on the internal face of first paragraph 11.
Further, interface structure may also include the plug 30 being detachably connected on annular projection 20.In daily sealing
In, plug 30 seals annular projection 20 and plug hole 10；In maintenance, plug 30 is pulled down from annular projection 20.
Plug 30 includes the body of rod 31 and the head 32 being connected on the one end of the body of rod 31.
Wherein, the circumferential lateral surface of the body of rod 31 is provided with screw thread 33, and the body of rod 31 passes through screw thread 33 and the internal thread of annular projection 20
21 coordinate and are located in annular projection 20 in and extend in plug hole 10, so as to by the inside of annular projection 20 and the envelope of plug hole 10
Shut and.
Head 32 coordinates on the end face of annular projection 20 (end face away from plug hole 10).The head 32 can correspond to annular
The end surface shape of projection 20 is set, and peripheral dimension is more than the interior bone of annular projection 20, to ensure that head 32 will not enter
Inside annular projection 20.
The length of the body of rod 31 is more than the height of annular projection 20, so as to which the body of rod 31 pierces into annular with one end away from head 32
After projection 20, its end may extend in the first paragraph 11 in plug hole 10 and be connected on changeover portion 13.
Further, interface structure also includes the ball sealer 40 being connected between the body of rod 31 and changeover portion 13.Ball sealer 40
It can block on changeover portion 13, the second end 12 is closed, improve sealing effectiveness of the plug 30 to plug hole 10.
Preferably, ball sealer 40 is integrally attached on one end end of the body of rod 31 away from head 32.The diameter of ball sealer 40
More than the internal diameter of changeover portion 13, and less than the internal diameter of first paragraph 11.
With reference to figure 1, transmitter of the present utility model is pressure transmitter, and it includes above-mentioned interface structure；Also include becoming
Device body 1 is sent, interface structure is arranged on transmitter body 1.The plug hole 10 of interface structure is run through into transmitter body 1
Portion, positive pressure ventilation hole or negative pressure exhaust hole as transmitter.
When transmitter overhauls, plug 30 is pulled down, maintenance pipeline is coordinated on annular projection 20 by screw thread, and both seal
Connection, you can carry out the service works such as follow-up verification, water-filling exhaust.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (10)
- A kind of 1. interface structure of transmitter, it is characterised in that including be opened on transmitter body plug hole, around described Plug hole is connected to the annular projection on the transmitter body；The inner circumferential side of the annular projection is provided with internal thread, periphery Side is provided with external screw thread.
- 2. the interface structure of transmitter according to claim 1, it is characterised in that the internal thread extends to the plug The internal face in hole.
- 3. the interface structure of transmitter according to claim 1, it is characterised in that the annular projection is integrally attached to institute State on transmitter body.
- 4. the interface structure of transmitter according to claim 1, it is characterised in that the interface structure also includes detachable The plug being connected on the annular projection.
- 5. the interface structure of transmitter according to claim 4, it is characterised in that the plug includes the body of rod and connection Head on described body of rod one end；The circumferential lateral surface of the body of rod is provided with screw thread, the screw-internal thread fit that the body of rod passes through the screw thread and the annular projection And be located in the annular projection and extend in the plug hole, the head coordinates in the end face of the annular projection On.
- 6. the interface structure of transmitter according to claim 5, it is characterised in that it is larger that the plug hole includes internal diameter First paragraph and the less second segment of internal diameter and the changeover portion being connected between first paragraph and second segment；The first paragraph it is interior Wall is connected with the inner circumferential side of the annular projection.
- 7. the interface structure of transmitter according to claim 6, it is characterised in that the body of rod away from the head one End extends in the first paragraph and is connected on the changeover portion.
- 8. the interface structure of transmitter according to claim 7, it is characterised in that the interface structure also includes being connected to Ball sealer between the body of rod and changeover portion.
- 9. the interface structure of transmitter according to claim 8, it is characterised in that the ball sealer is integrally attached to described On one end end of the body of rod away from the head.
- 10. a kind of transmitter, it is characterised in that including the interface structure described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720010722.4U CN207019838U (en) | 2017-01-04 | 2017-01-04 | Transmitter and its interface structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720010722.4U CN207019838U (en) | 2017-01-04 | 2017-01-04 | Transmitter and its interface structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207019838U true CN207019838U (en) | 2018-02-16 |
Family
ID=61460030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720010722.4U Active CN207019838U (en) | 2017-01-04 | 2017-01-04 | Transmitter and its interface structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207019838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664988A (en) * | 2020-06-19 | 2020-09-15 | 南阳理工学院 | Water pipe pressure online detection method |
| CN113531236A (en) * | 2021-06-23 | 2021-10-22 | 广西防城港核电有限公司 | Joint switching assembly for instrument and pipeline system and system thereof |
-
2017
- 2017-01-04 CN CN201720010722.4U patent/CN207019838U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664988A (en) * | 2020-06-19 | 2020-09-15 | 南阳理工学院 | Water pipe pressure online detection method |
| CN113531236A (en) * | 2021-06-23 | 2021-10-22 | 广西防城港核电有限公司 | Joint switching assembly for instrument and pipeline system and system thereof |
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| GR01 | Patent grant |