CN208802328U - Sealing cover, heating machine - Google Patents
Sealing cover, heating machine Download PDFInfo
- Publication number
- CN208802328U CN208802328U CN201821208897.7U CN201821208897U CN208802328U CN 208802328 U CN208802328 U CN 208802328U CN 201821208897 U CN201821208897 U CN 201821208897U CN 208802328 U CN208802328 U CN 208802328U
- Authority
- CN
- China
- Prior art keywords
- sealing
- sealing cover
- nozzle
- cover
- sealing element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Coating Apparatus (AREA)
Abstract
The utility model provides a kind of sealing cover, heating machine.A kind of sealing cover, for blocking nozzle, tegmental wall including cover board and in the cover board periphery, the cover board and the tegmental wall form the sealing region of the sealing cover, also there is elastic sealing element in the sealing region, when the sealing cover blocks the nozzle, the elastic sealing element can be embedded in the nozzle and form sealing surface.A kind of sealing cover according to the present utility model, heating machine, can be improved the connection sealing of sealing cover and nozzle, and can facilitate the progress of nitrogen charging process, structure is simple, easy to assembly.
Description
Technical field
The utility model belongs to air-conditioning technique field, and in particular to a kind of sealing cover, heating machine.
Background technique
The water system channel interior of heating machine is connected the quality such as bring channel interior burn into the external world and is asked in order to prevent
Topic, common practice in the industry is that inert gas, such as nitrogen are filled in water system pipeline between heating machine factory shipping at present
Gas after inflation, then uses simple Jiao Gai to block nozzle, but since used glue lid structure is relatively simple, and internal
Have certain pressure after nitrogen charging, in shipping process, is frequently present of the phenomenon that simple Jiao Gai is detached from nozzle, even if not departing from,
Its sealing function is also relatively limited (mainly anti-winged insect entrance), in addition, the considerations of lacking in the prior art to nitrogen charging convenience,
Based on this, design is optimized in the sealing cover of the utility model line up.
Utility model content
Therefore, the technical problem to be solved by the present invention is to provide a kind of sealing covers, heating machine, can be improved sealing
The connection sealing of lid and nozzle, and the progress of nitrogen charging process can be facilitated, structure is simple, easy to assembly.
To solve the above-mentioned problems, the utility model provides a kind of sealing cover, for blocking nozzle, including cover board and is in
The tegmental wall of the cover board periphery, the cover board and the tegmental wall form the sealing region of the sealing cover, in the sealing region
In also have elastic sealing element, when the sealing cover block the nozzle when, the elastic sealing element can be embedded in the nozzle
Middle formation sealing surface.
Preferably, the elastic sealing element has the frustum of a cone portion that extends towards the nozzle, and the frustum of a cone portion
Small end is towards the nozzle side.
Preferably, the big end in the frustum of a cone portion has the flange radially extended along the frustum of a cone portion, the tegmental wall
Inside has groove, and the flange is matchingly flush-mounted in the groove.
Preferably, it is exposed to the flange portion in the sealing region, when the sealing cover blocks the nozzle,
The pipe lip of the nozzle can be connected on the flange.
Preferably, there is recess portion on one side end face of big end of the elastic sealing element.
Preferably, there is minimum range d, 2.5mm≤d≤5mm between the bottom surface of the recess portion and the end face of the small end.
Preferably, through-hole is configured on the cover board, the position of the through-hole is corresponding with the recess portion.
Preferably, the material of the elastic sealing element is one of ethylene propylene diene rubber, silicon rubber, EPDM.
Preferably, the inside of the tegmental wall is equipped with screw thread.
The utility model also provides a kind of heating machine, including above-mentioned sealing cover.
A kind of sealing cover provided by the utility model, heating machine, due in the envelope stating cover board and the tegmental wall and being formed
It is provided with elastic sealing element in stifled region, when the sealing cover blocks the nozzle, the elastic sealing element can be described
Sealing surface is formed in nozzle, even more important so as to reliably seal the nozzle, the elastic sealing element has elasticity,
Preferably, the material of the elastic sealing element is one of ethylene propylene diene rubber, silicon rubber, EPDM, when progress nitrogen charging technique
When, the sealing cover is connect with the nozzle, the syringe needle of nitrogen charging utensil is then punctured into the elastic sealing element, carries out nitrogen charging
Operation after nitrogen charging operates, extracts syringe needle, due to the shrinkage of elastic sealing element, to realize nozzle and sealing cover again
Secondary sealing is without other operations, it is seen then that can be improved the connection sealing of sealing cover and nozzle, and energy using the technical solution
Enough facilitate the progress of nitrogen charging process, structure is simple, easy to assembly.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the sealing cover of the utility model embodiment；
Fig. 2 is the schematic perspective view of Fig. 1；
Fig. 3 is the sealing cover of the utility model embodiment and the assembly schematic perspective view of nozzle；
Fig. 4 is the sealing cover of the utility model embodiment and the assembly the schematic diagram of the section structure of nozzle.
Appended drawing reference indicates are as follows:
1, cover board；11, through-hole；2, tegmental wall；21, groove；3, elastic sealing element；31, frustum of a cone portion；32, flange；33, recessed
Portion；4, nozzle.
Specific embodiment
In conjunction with referring to FIG. 1 to FIG. 4, embodiment according to the present utility model provides a kind of sealing cover, for blocking pipe
Mouth 4, the tegmental wall 2 including cover board 1 and in 1 periphery of cover board, the cover board 1 form the sealing cover with the tegmental wall 2
Sealing region also has elastic sealing element 3 in the sealing region, when the sealing cover blocks the nozzle 4, the bullet
Property sealing element 3, which can be embedded in the nozzle 4, forms sealing surface.In the technical solution, due to stating cover board 1 and the lid described
Elastic sealing element 3 is provided in the sealing region that wall 2 is formed, when the sealing cover blocks the nozzle 4, the elastic packing
Part 3 can form sealing surface in the nozzle 4, so as to reliably seal the nozzle 4, even more important, the elasticity
Sealing element 3 has elasticity, it is preferable that the material of the elastic sealing element 3 is ethylene propylene diene rubber, silicon rubber, one in EPDM
Kind, when carrying out nitrogen charging technique, the sealing cover is connect with the nozzle 4, is then punctured the syringe needle of nitrogen charging utensil described
Elastic sealing element 3 carries out nitrogen charging operation, after nitrogen charging operates, extracts syringe needle, due to the shrinkage of elastic sealing element 3, thus
Realize being again sealed off without other operations for nozzle 4 and sealing cover, it is seen then that using the technical solution can be improved sealing cover with
The connection sealing of nozzle, and the progress of nitrogen charging process can be facilitated, structure is simple, easy to assembly.
A kind of specific embodiment as the elastic sealing element 3, it is preferable that the elastic sealing element 3 has direction
The frustum of a cone portion 31 that the nozzle 4 extends, and the small end in the frustum of a cone portion 31 is towards 4 side of nozzle, such setting side
On the one hand formula can guarantee that the connection of the sealing cover and nozzle 4 is more smoothly, on the other hand, be designed to truncated cone shape
The adaptability in 4 aperture of nozzle of elastic sealing element 3 is stronger, specifically, since the frustum of a cone has the characteristic of sectional dimension gradual change,
The section of different cross section size can be higher from the matching degree of different 4 internal orifice dimensions of nozzle, forms circumferential sealing.
Further, the big end in the frustum of a cone portion 31 has the flange 32 radially extended along the frustum of a cone portion 31, institute
The inside for stating tegmental wall 2 has groove 21, and the flange 32 is matchingly flush-mounted in the groove 21, at this point, ensure that described close
Sealing 3 and the cover board 1 and/or tegmental wall 2 it is detachable, this be more conducive to for 4 internal orifice dimension of nozzle different selection replacements more
For the specifications and models in suitable frustum of a cone portion 31, adaptability is improved；Further, the flange 32 is partially exposed to
In the sealing region, when the sealing cover blocks the nozzle 4, the pipe lip of the nozzle 4 can be connected to the flange
On 32, at this point, more specifically, the sealing of nozzle 4 is the abutting pressure by the flange 32 and the pipe lip to a greater extent
Consolidation is existing, and this mode sealing effect is more preferably.
In order to further facilitate nitrogen charging operating procedure, it is preferable that have on one side end face of big end of the elastic sealing element 3
Recess portion 33, the at this time setting of the recess portion 33 reduce distance between the end face of the bottom surface and the small end of the recess portion 33,
Preferably, there is minimum range d, 2.5mm≤d≤5mm between the bottom surface of the recess portion 33 and the end face of the small end.
For further convenient nitrogen charging operating procedure, it is preferable that be configured with through-hole 11, the through-hole on the cover board 1
11 position is corresponding with the recess portion 33, and the syringe needle of nitrogen charging tool only needs to puncture the corresponding of the elastic sealing element 3 at this time
Position, operator's force are smaller.
Certainly, for the tegmental wall 2 with the nozzle 4 preferably by the way of being threadedly coupled, this mode can have spiral shell
Sealing surface between line can further promote the connection reliability and leakproofness of the sealing cover Yu nozzle 4, it is preferable that tegmental wall 2
Inside be equipped with screw thread, it is to be understood that the corresponding matching screw thread of outer wall setting of the nozzle 4.
Embodiment according to the present utility model also provides a kind of heating machine, including above-mentioned sealing cover, can be improved sealing cover
With the connection sealing of nozzle, and the progress of nitrogen charging process can be facilitated, structure is simple, easy to assembly.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill of the art
For personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improvement
It also should be regarded as the protection scope of the utility model with modification.
Claims (10)
1. a kind of sealing cover, for blocking nozzle (4), which is characterized in that including cover board (1) and be in the cover board (1) periphery
Tegmental wall (2), the cover board (1) and the tegmental wall (2) form the sealing region of the sealing cover, in the sealing region also
With elastic sealing element (3), when the sealing cover blocks nozzle (4), the elastic sealing element (3) can be embedded in described
Sealing surface is formed in nozzle (4).
2. sealing cover according to claim 1, which is characterized in that the elastic sealing element (3) has towards the nozzle
(4) frustum of a cone portion (31) extended, and the small end in the frustum of a cone portion (31) is towards the nozzle (4) side.
3. sealing cover according to claim 2, which is characterized in that the big end of the frustum of a cone portion (31) has along the circle
The inside of the flange (32) that prismoid section (31) radially extends, the tegmental wall (2) has groove (21), and the flange (32) is matchingly
In the groove (21).
4. sealing cover according to claim 3, which is characterized in that the flange (32) is partially exposed to the closure area
In domain, when the sealing cover blocks nozzle (4), the pipe lip of the nozzle (4) can be connected on the flange (32).
5. sealing cover according to claim 3, which is characterized in that on one side end face of big end of the elastic sealing element (3)
With recess portion (33).
6. sealing cover according to claim 5, which is characterized in that the bottom surface of the recess portion (33) and the end face of the small end
Between have minimum range d, 2.5mm≤d≤5mm.
7. sealing cover according to claim 5, which is characterized in that it is configured with through-hole (11) on the cover board (1), it is described logical
The position in hole (11) is corresponding with the recess portion (33).
8. sealing cover according to claim 1, which is characterized in that the material of the elastic sealing element (3) is EPDM
One of rubber, silicon rubber, EPDM.
9. sealing cover according to claim 1, which is characterized in that the inside of the tegmental wall (2) is equipped with screw thread.
10. a kind of heating machine, including sealing cover, which is characterized in that the sealing cover is described in any one of claims 1 to 9
Sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208897.7U CN208802328U (en) | 2018-07-28 | 2018-07-28 | Sealing cover, heating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208897.7U CN208802328U (en) | 2018-07-28 | 2018-07-28 | Sealing cover, heating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208802328U true CN208802328U (en) | 2019-04-30 |
Family
ID=66230888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821208897.7U Active CN208802328U (en) | 2018-07-28 | 2018-07-28 | Sealing cover, heating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208802328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111674717A (en) * | 2020-06-10 | 2020-09-18 | 中国航发成都发动机有限公司 | Blocking cover for ventilating pipe joint of turbine casing of aircraft engine |
-
2018
- 2018-07-28 CN CN201821208897.7U patent/CN208802328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111674717A (en) * | 2020-06-10 | 2020-09-18 | 中国航发成都发动机有限公司 | Blocking cover for ventilating pipe joint of turbine casing of aircraft engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208802328U (en) | Sealing cover, heating machine | |
| CN207905663U (en) | A kind of door sealing structure of steam box | |
| CN202708402U (en) | Flange cover connection structure with precoating sealing layer | |
| CN103271639A (en) | Pressure limiting valve of pressure cooker | |
| CN207661399U (en) | A kind of nonstandard welding neck collar loose flange | |
| CN111601529A (en) | Negative angle paper pulp moulding cup cover | |
| CN206534460U (en) | A kind of jar | |
| CN213512528U (en) | Double-valve metal powder batching jar | |
| CN206729953U (en) | A kind of disposable celiac puncture outfit with seal | |
| CN207316191U (en) | A kind of high sealing gas meter motor valve | |
| CN206770772U (en) | Valve stem packing sealing structure | |
| CN203743669U (en) | High-pressure tube facilitating connection | |
| CN213736528U (en) | Anti-dry anti-drop sealing rubber nozzle | |
| CN204473569U (en) | A kind of Novel spraying tank arrangement | |
| CN212291073U (en) | Double-seal milk bottle cap | |
| CN206606541U (en) | Dispoable medical enteral nutrition bottle cap device | |
| CN204473468U (en) | A kind of emulsion pumps with air interchanger | |
| CN208240768U (en) | A kind of Quick Release screw-type battery cabin cap sealing structure | |
| CN207242436U (en) | One kind is drawn water bottle cap | |
| CN204624215U (en) | Novel electron connection cover | |
| CN216946994U (en) | Prevent virus sampling pipe that virus revealed | |
| KR101509914B1 (en) | Lid member and container for fermentation including the same | |
| CN201220791Y (en) | Package bag | |
| CN206846072U (en) | Instrument for the ventilation of gas piping three-way connection | |
| CN209468455U (en) | A kind of DNA sample storage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |