CN105202362B - Quick-fried thermoelastic sealing structure - Google Patents
Quick-fried thermoelastic sealing structure Download PDFInfo
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- CN105202362B CN105202362B CN201510614015.1A CN201510614015A CN105202362B CN 105202362 B CN105202362 B CN 105202362B CN 201510614015 A CN201510614015 A CN 201510614015A CN 105202362 B CN105202362 B CN 105202362B
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- seal section
- sealing
- bullet lid
- sealing ring
- sealing structure
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Abstract
The invention discloses a kind of quick-fried thermoelastic sealing structure, including body and bullet lid；Also include trim ring, the trim ring is connected with the body, for bullet lid to be pressed in into body, makes the body that relative motion not occur with bullet lid；Sealing structure is provided between body and the bullet lid；The sealing structure includes cone seal section and sealing ring seal section, and the sealing ring seal section is located above the cone seal section.The present invention can realize the sealing effectiveness under moment super-pressure and stable state high pressure, while reduce labor intensity, lift-off seal reliability.
Description
Technical field
The present invention relates to a kind of sealing structure, and in particular to a kind of quick-fried thermoelastic sealing structure.It can be applied to Explosive Heat survey
Trial assembly put in quick-fried thermoelastic, Calorimeter's oxygen cylinder sealing structure.
Background technology
Quick-fried thermoelastic is the important component of Explosive Heat tester.Explosive explodes in quick-fried thermoelastic, caused heat
Amount is transferred to outside distilled water by quick-fried thermoelastic body.To realize the accuracy of measurement, it is desirable to which the sealing structure of quick-fried thermoelastic can
Dozens of air means of press seals after realizing more than 100 MPas of super-pressure impact of moment and stablizing.Existing general sealing structure uses plain cushion
Sealing, rubbery flat gasket deformation is set to realize sealing by applying larger pretightning force.Require that gland residual pre-tightening forces can during work
Continue to make rubbery flat gasket keep deformation, therefore the requirement of gland pretightning force is much larger than operating pressure, causes that Lengthened wrench pair need to be used
Gland is pressurizeed, and labor intensity is big.Sealing reliability is poor simultaneously, and different people, which applies pretightning force difference, will cause sealing effectiveness
It is different.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of quick-fried thermoelastic sealing structure.The present invention sealing structure with
Expect to realize the sealing effectiveness under moment super-pressure and stable state high pressure, while reduce labor intensity, lift-off seal reliability.
To solve above-mentioned technical problem, the present invention uses following technical scheme：
A kind of quick-fried thermoelastic sealing structure, including body and bullet lid；Also including trim ring, the trim ring is connected with the body,
For bullet lid to be pressed in into body, make the body that relative motion not occur with bullet lid；
Sealing structure is provided between body and the bullet lid；The sealing structure includes cone seal section and sealing ring is close
Section is sealed, the sealing ring seal section is located above the cone seal section.
Further technical scheme is that trim ring is connected through a screw thread with the body.
Further technical scheme is that trim ring is connected with the body by trapezoidal or saw-tooth thread.
Further technical scheme is that cone seal section includes conical head, and the conical head is positioned at the bullet base portion；
The conical head coordinates with body bore seal.
Further technical scheme is that sealing ring seal section includes sealing ring, and the sealing ring is arranged on the bullet lid
On.
Further technical scheme is that sealing ring is O-ring seals.
Further technical scheme is that bullet covers and is provided with the first stop bit mouth, and the second stop bit is provided with the body
Mouthful, the first stop bit mouth is bonded with the second stop bit mouth.
Further technical scheme is to be located on body below the second stop bit mouth, and close positioned at the sealing ring
Envelope fragment position is provided with guide angle.
Further technical scheme is that the number of degrees of guide angle are 15 to 25 degree.
Further technical scheme is that the length of cone seal section is more than the length of the bullet lid corresponding position；It is described close
The length of seal seal section is more than the length of the bullet lid corresponding position.
Compared with prior art, one of beneficial effects of the present invention are：
1. trim ring need not apply pretightning force during assembling, operating personnel's manipulation strength is low.There is guide angle sealing ring installation place, because
Without large axial force during this sealing ring indentation sealing position.
2. the structure design on body allows sealing ring that certain displacement is axially occurring, and does not influence its sealing effectiveness.
3. whether in place the stop bit mouth of body and bullet lid easily determines assembling.
4. body and bullet lid cone seal reduce direct impact of a large amount of high temperature and high pressure gas to sealing ring, extend sealing ring
Life-span.
5. simple to operate, reliability is high, and different people assembling also will not produce different sealing effects because strength is different
Fruit.
6. the encapsulation scheme uses sealing ring, for O-ring, versatility is good, be easy to get to.Without the close of special material and shape
Seal.
7. the quick-fried thermoelastic of the sealing structure, good integrity, the total thermal capacitance of body is low, and it is more uniform to conduct heat.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is sealing structure close-up schematic view in one embodiment of the invention.
Fig. 3 is body close-up schematic view in one embodiment of the invention.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically chatting
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
Below in conjunction with the accompanying drawings and the embodiment of the present invention is described in detail embodiment.
As shown in Figure 1, Figure 2 and Figure 3, the quick-fried thermoelastic sealing structure of the embodiment of the present invention, the quick-fried thermoelastic sealing structure mainly by
Body 1, sealing structure 2, trim ring 3 and bullet lid 4 form.Bullet lid 4 is assemblied on body, and bullet lid 4 is pressed on body 1 by trim ring 3 to be made
Relative motion does not occur in it.Preferably, trim ring and body are connected using trapezoidal or saw-tooth thread.
Preferably, sealing structure 2 includes cone seal section 202 and sealing ring seal section 201, sealing ring seal section 201
Above cone seal section 202.Specifically, such as Fig. 2, cone seal section 202 includes conical head 22, and conical head is located at the bottom of bullet lid 4
Portion；Conical head coordinates with body bore seal.Sealing ring seal section 201 includes sealing ring 21, and sealing ring 21 is arranged on bullet lid 4
On.Its conical surface can play guide-localization effect when the advantage is that assembling, convenient for assembly.Even if initial elasticity occurs for explosion time
Deformation, because deflection is smaller, minim gap can form damping action between bullet lid and body so that sealing ring does not receive directly
Blast impulse.Simultaneously because gap is smaller, therefore the high-temperature gas for entering sealing ring position is less, the temperature to caused by sealing ring
Impact is also smaller, can extend the sealing ring life-span.
Further, as preferred embodiment, the first stop bit mouth 41 is provided with bullet lid 4, is provided with body 1
Two stop bit mouths 11, the first stop bit mouth 41 are bonded with the second stop bit mouth 11.Stop bit mouth is used to determine that bullet lid has reached sealing position.
Preferably, sealing ring 21 using common O-ring seals are used, change by convenient buying.
Further, as preferred embodiment, the second stop bit mouth is located at sealing ring seal section 201 below 11
Install and be equipped with guide angle A, the specific guide angle number of degrees are 15 to 25 degree, are preferably directed angle number as 20 degree.Body is from stop bit mouth
20 degree of guide angles should be opened up into sealing ring seal section, sealing ring conveniently can enter seal section when being advantageous to assembling.
Further, as preferred embodiment, the length of cone seal section 202 is more than the length of bullet lid corresponding position
Degree；The length of sealing ring seal section 201 is more than the length of bullet lid corresponding position.The advantage is that ensures that even if bullet lid produces small position
In the case of shifting, sealing ring still seals in active position.
Specifically, the workflow of the quick-fried thermoelastic sealing structure of the further open embodiment of the present invention is as follows：
During assembling, bullet lid is hung in body.Sealing ring external diameter under relaxed state is slightly larger than body internal diameter, therefore bullet covers
Sealing ring be pressed in 20 degree of body guiding Angle Positions.Trim ring is screwed in into body, and effect is applied to bullet and covered.Bullet covers close
Seal trim ring axial force and guide angle to contract, bullet lid slowly enters sealing position, therefore assembling process is more light,
It is not easy to damage sealing ring.Bullet, which covers stop bit mouth and is bonded with body upper position-arresting mouth, completes the sealing assembling of quick-fried thermoelastic, body top,
Bullet covers portion and trim ring top and is in same plane and can determine whether that assembling finishes.
During detonation, explosive charge moment produces a large amount of high temperature and high pressure gas.Gas and gaseous product act on bullet lid first
Bottom.In the presence of moment impact, trim ring produces immediate elastic deformation, and bullet covers liter, and minim gap occur in bullet lid and body.
Because gap is smaller, gas is by the damping effect in gap, and pressure is reduced, into sealing ring position.The attack time only holds simultaneously
The several milliseconds of continuous zero point, the fast quick-recovery of trim ring elastic deformation, cone seal recover sealing effectiveness.
" one embodiment " for being spoken of in this manual, " another embodiment ", " embodiment " etc., refer to combining
Specific features, structure or the feature of embodiment description are included at least one embodiment of the application generality description.
It is not necessarily to refer to same embodiment that statement of the same race, which occur, in multiple places in the description.Furthermore, it is understood that with reference to any
When individual embodiment describes a specific features, structure or feature, what is advocated is this to realize with reference to other embodiment
Feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for the multiple explanatory embodiments invented, however, it is to be understood that this
Art personnel can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in the application
Within disclosed spirit and spirit.More specifically, can be to theme group in the range of disclosure claim
The building block and/or layout for closing layout carry out a variety of variations and modifications.Except the modification carried out to building block and/or layout
Outer with improving, to those skilled in the art, other purposes also will be apparent.
Claims (5)
1. a kind of quick-fried thermoelastic sealing structure, including body (1) and bullet lid (4)；It is characterized in that：
Also include trim ring (3), the trim ring (3) is connected with the body (1), for bullet lid (4) to be pressed in into body (1), makes
With bullet lid (4) relative motion does not occur for the body (1)；Sealing structure (2) is provided between the body (1) and bullet lid (4)；
The sealing structure (2) includes cone seal section (202) and sealing ring seal section (201), sealing ring seal section (201) position
Above the cone seal section (202)；Described cone seal section (202) includes conical head (22), and the conical head is located at
Bullet lid (4) bottom；The conical head coordinates with body bore seal；Described trim ring (3) passes through ladder with the body (1)
Shape or saw-tooth thread connection；Described sealing ring seal section (201) includes sealing ring (21), and the sealing ring (21) is arranged on
On the bullet lid (4)；Described sealing ring (21) is O-ring seals；The first stop bit mouth is provided with described bullet lid (4)
(41) the second stop bit mouth (11), the first stop bit mouth (41) and the second stop bit mouth (11), are provided with the body (1)
Fitting.
2. quick-fried thermoelastic sealing structure according to claim 1, it is characterised in that described trim ring (3) and the body (1)
It is connected through a screw thread.
3. quick-fried thermoelastic sealing structure according to claim 1, it is characterised in that be located at the second stop bit mouth on body
(11) below, and positioned at sealing ring seal section (201) position it is provided with guide angle.
4. quick-fried thermoelastic sealing structure according to claim 3, it is characterised in that the number of degrees of described guide angle are 15 to 25
Degree.
5. quick-fried thermoelastic sealing structure according to claim 1, it is characterised in that the length of described cone seal section (202)
More than the length of the bullet lid corresponding position；The length of the sealing ring seal section (201) is more than the bullet lid corresponding position
Length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510614015.1A CN105202362B (en) | 2015-09-24 | 2015-09-24 | Quick-fried thermoelastic sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510614015.1A CN105202362B (en) | 2015-09-24 | 2015-09-24 | Quick-fried thermoelastic sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105202362A CN105202362A (en) | 2015-12-30 |
| CN105202362B true CN105202362B (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510614015.1A Active CN105202362B (en) | 2015-09-24 | 2015-09-24 | Quick-fried thermoelastic sealing structure |
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| CN (1) | CN105202362B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106529016B (en) * | 2016-11-07 | 2019-11-05 | 中国工程物理研究院化工材料研究所 | A kind of calculation method of quick-fried thermoelastic explosion cavity radius |
| CN109764768B (en) * | 2019-03-22 | 2024-01-23 | 中国工程物理研究院化工材料研究所 | Explosive bomb with bomb lining structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4549486A (en) * | 1984-05-25 | 1985-10-29 | The United States Of America As Represented By The Secretary Of The Army | Smoke canister |
| CN203374787U (en) * | 2013-06-18 | 2014-01-01 | 武汉海王机电工程技术公司 | High-temperature and high-pressure container elastic sealing structure |
| CN203686127U (en) * | 2014-01-23 | 2014-07-02 | 山西新思备科技股份有限公司 | Novel sealing mechanism for quick opening mechanism |
| CN203857874U (en) * | 2014-06-09 | 2014-10-01 | 山东北方民爆器材有限公司 | Novel explosive source grain shell sealing structure |
| CN104237306A (en) * | 2014-10-09 | 2014-12-24 | 西安近代化学研究所 | Method for measuring reaction completeness of powdered aluminium during aluminized explosive explosion process |
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| CN105202362A (en) | 2015-12-30 |
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Effective date of registration: 20210924 Address after: No.1, kekecheng Avenue, Youxian District, Mianyang City, Sichuan Province Patentee after: SICHUAN HAOKANG TECHNOLOGY Co.,Ltd. Address before: Mianyang City, Sichuan Province, 621000 Mountain Road No. 64 Patentee before: INSTITUTE OF CHEMICAL MATERIALS OF CHINA ACADEMY OF ENGINEERING AND PHYSICS |