CN206470113U - A kind of sealing device for pressure test of being popped one's head in for insertion type - Google Patents
A kind of sealing device for pressure test of being popped one's head in for insertion type Download PDFInfo
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- CN206470113U CN206470113U CN201621385302.6U CN201621385302U CN206470113U CN 206470113 U CN206470113 U CN 206470113U CN 201621385302 U CN201621385302 U CN 201621385302U CN 206470113 U CN206470113 U CN 206470113U
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- sealing
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- insertion type
- pressure test
- sealing device
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Abstract
The utility model is related to a kind of sealing device for pressure test of being popped one's head in for insertion type, include pressure cavity joint and the sealing gland with joint phase configuration, sealing-plug is installed in sealing gland, it is characterized in that described sealing gland top drilling exposed portion sealing-plug, described sealing-plug is spliced by two double of cock bodys, and the seam crossing of two double of cock body splicings is provided with sealing detector perforation.The utility model good sealing effect, without fluid sealant, seal process is pollution-free to popping one's head in, it is adaptable to which outside dimension is small, and pipe shaft length is long, the termination relatively slightly sealing between the thinner insertion type medical probe of pipe shaft and testing calibration pressure cavity；It is not only easy to install and use, and the sealing of the thin insertion type medical probe of the big pipe shaft in termination is especially adapted to, installation and removal will not damage probe；Set multiple sealed penetrations that multiple probes can be once installed on sealing-plug, carry out the verification test of multiple probes, the operating efficiency of probe testing calibration can be improved.
Description
Technical field
The utility model is related to a kind of sealing device for pressure test of being popped one's head in for insertion type, belongs to medicine equipment test skill
Art field.
Background technology
Can be coronal dynamic to the angiosthenia of human body, central venous pressure, pulmonary arterial pressure, a left side using insertion type medical pressure probe
A variety of physical stress such as pulse pressure and intracranial pressure carry out most real measurement, and the diagnosis and treatment for patient's state of an illness provide guidance.
The many schemes using fibre optical sensor and microelectronic sensor of existing insertion type medical pressure probe, outside covers again
There is polymeric catheter.The characteristics of these probes is that outside dimension is small, and pipe shaft length is long, general in addition also to have termination relatively thick and manage
The characteristics of body is thinner.Before clinic trial, these probes will pass through testing calibration.Needed during testing calibration probe tip is close
It is sealed and placed within simulated pressure chamber, probe realizes sealing by the sealing device configuration of the pipe shaft behind termination and pressure chamber.
Sealing device can't apply excessive compressing in addition to ensureing the sealing effectiveness of probe to pipe shaft, in order to avoid damage probe.In order to
Ensure these demands, sealing means often will probe pipe shaft and pressure cavity sealing joint using fluid sealant.But, this method is easy
Sticky glue stain is introduced in detecting head surface, the sealing of medical pressure probe is not suitable as, and use installation inconvenience.（Because real
Hydraulic-pneumatic is all used in the detection of border, so hydraulic pressure has been changed to pressure）.
The content of the invention
Technical problem to be solved in the utility model is that overcome the shortcomings of that above-mentioned prior art is present uses there is provided one kind
In the sealing device of insertion type probe pressure test, its not only good seal performance, no sealing glue stain, and use installation side
Just.
The technical scheme that the utility model is used by solution the problem of set forth above for：Include pressure cavity joint and
With the sealing gland of joint phase configuration, sealing-plug is installed in sealing gland, it is characterised in that opened at the top of described sealing gland
Hole exposed portion sealing-plug, described sealing-plug is spliced by two double of cock bodys, in connecing for two double of cock body splicings
Sealing detector perforation is provided with seam.
By such scheme, described sealing-plug is generally cylindrical, and lower end is provided with frustum.
By such scheme, described two double of cock bodys are separated in half by centre, described two double of cock bodys splicing
Seam be straight seam or ripple seam.
By such scheme, described sealing detector perforation sets 1 ~ 5 along joint spacing.
By such scheme, described ripple seam is broken line ripple, and described sealing detector perforation is arranged on fold-line-shaped ripple
At the flex point of line.
By such scheme, described sealing-plug is made up of elaxtic seals such as rubber, silica gel, plastics.
By such scheme, the unilateral angle of frustum of described sealing-plug lower end is 15 ~ 20 °, and axial length is sealing-plug axle
Xiang the 1/3 ~ 1/5 of overall length.
By such scheme, it is provided with described hydraulic chamber joint on external screw thread, sealing gland and is provided with internal thread, it is close
Sealed cover is connected with hydraulic chamber joint by screw thread.
By such scheme, circular hole is opened up at the top of described sealing gland, and be provided with the inside of sealing gland top edge
Annular pressure edge, passes through annular pressure edge and phase configuration at the top of sealing-plug.
By such scheme, the top outer rim of sealing-plug is provided with annular concave edge, annular concave edge and annular pressure edge phase configuration.
By such scheme, the perforate outer end inner side of described hydraulic chamber joint is provided with the cone of taper hole and sealing-plug lower end
Platform phase configuration.
The beneficial effects of the utility model are：1st, mechanical presses of the sealing gland to sealing-plug are passed through so that sealing-plug
Crush seal is carried out to probe pipe shaft, while sealing-plug is sealed with the formation of pressure cavity joint, good sealing effect, without close
Sealing, pollution-free to popping one's head in, it is adaptable to which that outside dimension is small, and pipe shaft length is long, termination is relatively thick and the thinner insertion type of pipe shaft is medical
Sealing between probe and assay calibration pressure cavity；2nd, sealing-plug using two double cock body structure not be used only install
It is convenient, and the sealing of the thin insertion type medical probe of the big pipe shaft in termination is especially adapted to, installation and removal will not damage probe；
3rd, set multiple sealed penetrations that multiple probes can be once installed on sealing-plug, carry out the test of multiple probes, probe can be improved
The operating efficiency of testing calibration.
Brief description of the drawings
Fig. 1 is the positive sectional structure chart of the utility model one embodiment.
Fig. 2 is the positive view of sealing-plug in the utility model one embodiment.
Fig. 3 is the top view of sealing-plug in the utility model one embodiment.
Fig. 4 is the top view of sealing-plug in the utility model another embodiment.
Fig. 5 is the positive view of sealing gland in the utility model one embodiment.
Embodiment
The technical solution of the utility model is further described in detail with reference to the accompanying drawings and detailed description.
One embodiment includes hydraulic chamber joint 4 and the sealing gland with its phase configuration as shown in Fig. 1,2,3,5
6, hydraulic chamber joint evagination is arranged on hydraulic chamber 3, and external screw thread, sealing gland are provided with described hydraulic chamber joint
On be provided with internal thread, sealing gland is connected with hydraulic chamber joint by screw thread；Circle is opened up at the top of described sealing gland
Hole 5, and annular pressure edge is provided with the inside of sealing gland top edge, sealing-plug 1 is installed in sealing gland, sealing-plug is by silicon
Elastomeric material is made, and described sealing-plug is spliced by two double of cock bodys, and sealing-plug is generally cylindrical, and lower end is provided with
Frustum, described two double of cock bodys are separated in half by centre, and the seam of two double of cock body splicings is straight seam, two
The seam crossing of individual double of cock body splicing is provided with sealing detector perforation 8, and sealing detector perforation sets 5, sealing along joint spacing
The aperture of probe perforation may be the same or different, probe phase configuration that can be with multiple identical or different diameters, in the present embodiment 5 it is close
The pore-size distribution of envelope probe perforation is 0.2/0.4/0.6/0.4/0.2 mm, is carried out to the probe 2 to different size and external diameter
Sealing, in sealing detector perforation, the used time not can be inserted into link block 7, so that sealing-plug is integrally kept under sealing, described sealing-plug
The unilateral angle of frustum at end is 18 °, and axial length is the 1/3 of the axial overall length of sealing-plug, the perforate of described hydraulic chamber joint
The frustum phase configuration of taper hole and sealing-plug lower end is provided with the inside of outer end；In addition, the top outer rim in sealing-plug is provided with annular
The annular pressure edge phase configuration of concave edge, annular concave edge and sealing gland.
Insertion type medical probe 2 is first passed through into sealing gland through hole 5 and separated sealing-plug 1 when using, with separated close
After blocking clamps the pipe shaft of insertion type medical probe 2, entered by hydraulic chamber joint 4 in hydraulic chamber 3.Sealing is pressed again
Lid connects with hydraulic chamber joint to be screwed, and crush seal plug reaches sealing effectiveness.
Another embodiment of the present utility model is as shown in figure 4, it in place of the main difference of upper one embodiment with being
The seam of described two double of cock bodys splicing is ripple seam, and described ripple seam is broken line ripple, and the angle of broken line is
80 ~ 100 °, described sealing detector perforation is arranged at flex point, sets 4 sealing detectors to perforate altogether, 4 sealing sealing detectors
The pore-size distribution of perforation is 0.2/0.4/0.2/0.4 mm.Other structures are identical with upper one embodiment.
Claims (10)
1. it is a kind of for insertion type pop one's head in pressure test sealing device, include pressure cavity joint and with joint phase configuration
Sealing gland, installs sealing-plug in sealing gland, it is characterised in that described sealing gland top drilling exposed portion sealing
Plug, described sealing-plug is spliced by two double of cock bodys, and the seam crossing of two double of cock body splicings is provided with sealing
Probe perforation.
2. it is used for the sealing device of insertion type probe pressure test as described in claim 1, it is characterised in that described sealing
Plug is generally cylindrical, and lower end is provided with frustum.
3. it is used for the sealing device of insertion type probe pressure test as described in claim 1 or 2, it is characterised in that described two
Individual cock body half-and-half is separated in half by centre, and the seam of described two double of cock bodys splicing is straight seam or ripple seam.
4. it is used for the sealing device of insertion type probe pressure test as described in claim 3, it is characterised in that described sealing
Probe perforation sets 1 ~ 5 along joint spacing.
5. it is used for the sealing device of insertion type probe pressure test as described in claim 4, it is characterised in that described ripple
Seam is broken line ripple, and described sealing detector perforation is arranged at the flex point of broken line ripple.
6. it is used for the sealing device of insertion type probe pressure test as described in claim 1 or 2, it is characterised in that described is close
Blocking is made up of rubber, silica gel, plastics.
7. it is used for the sealing device of insertion type probe pressure test as described in claim 2, it is characterised in that described sealing
The unilateral angle of frustum for filling in lower end is 15 ~ 20 °, and axial length is the 1/3 ~ 1/5 of the axial overall length of sealing-plug.
8. it is used for the sealing device of insertion type probe pressure test as described in claim 1 or 2, it is characterised in that described pressure
It is provided with power cavity joint on external screw thread, sealing gland and is provided with internal thread, sealing gland passes through spiral shell with pressure cavity joint
Line is connected.
9. it is used for the sealing device of insertion type probe pressure test as described in claim 8, it is characterised in that described sealing
Circular hole is opened up at the top of gland, and annular pressure edge is provided with the inside of sealing gland top edge, is set in the top outer rim of sealing-plug
It is equipped with annular concave edge, annular concave edge and annular pressure edge phase configuration.
10. it is used for the sealing device of insertion type probe pressure test as described in claim 2, it is characterised in that described pressure
The frustum phase configuration of taper hole and sealing-plug lower end is provided with the inside of the perforate outer end of cavity joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385302.6U CN206470113U (en) | 2016-12-16 | 2016-12-16 | A kind of sealing device for pressure test of being popped one's head in for insertion type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385302.6U CN206470113U (en) | 2016-12-16 | 2016-12-16 | A kind of sealing device for pressure test of being popped one's head in for insertion type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206470113U true CN206470113U (en) | 2017-09-05 |
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ID=59711962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621385302.6U Active CN206470113U (en) | 2016-12-16 | 2016-12-16 | A kind of sealing device for pressure test of being popped one's head in for insertion type |
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| Country | Link |
|---|---|
| CN (1) | CN206470113U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609066A (en) * | 2018-06-15 | 2019-12-24 | 天津大学 | Temperature-controllable electrolytic cell device simultaneously used for electrochemical experiment and slow strain rate tensile test and use method thereof |
| CN112663255A (en) * | 2020-12-27 | 2021-04-16 | 齐齐哈尔大学 | Dyeing cup cover with temperature measuring device for dyeing and finishing process experiment and operation method |
-
2016
- 2016-12-16 CN CN201621385302.6U patent/CN206470113U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609066A (en) * | 2018-06-15 | 2019-12-24 | 天津大学 | Temperature-controllable electrolytic cell device simultaneously used for electrochemical experiment and slow strain rate tensile test and use method thereof |
| CN112663255A (en) * | 2020-12-27 | 2021-04-16 | 齐齐哈尔大学 | Dyeing cup cover with temperature measuring device for dyeing and finishing process experiment and operation method |
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