CN212048322U - Enamel inner container with built-in coil pipe - Google Patents
Enamel inner container with built-in coil pipe Download PDFInfo
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- CN212048322U CN212048322U CN202020425298.1U CN202020425298U CN212048322U CN 212048322 U CN212048322 U CN 212048322U CN 202020425298 U CN202020425298 U CN 202020425298U CN 212048322 U CN212048322 U CN 212048322U
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- inner liner
- liner
- inner bag
- lower sealing
- enamel
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Abstract
The utility model relates to a built-in coil pipe inner bag of enamel, including the inner bag barrel, the top of inner bag barrel is provided with inner bag upper cover, and the bottom is provided with the inner bag low head, installs the coil pipe in the inner bag barrel, and on the both ends of coil pipe were fixed in the inner bag upper cover to extend inner bag upper cover, the inner bag low head was the ellipsoid of evagination. The utility model provides an enamel embeds coil pipe inner bag sets up to the ellipsoid of evagination through with the inner bag low head, and when the inner bag low head received external pressure, the ellipsoid had an outside holding power and prevented its marginal deformation to the qualification rate of enamel embeds coil pipe has been improved.
Description
Technical Field
The utility model belongs to the technical field of the inner bag, concretely relates to built-in coil pipe inner bag of enamel.
Background
Referring to fig. 1, the enamel internal coil liner on the market at present comprises a liner barrel 3, an upper liner sealing head 4 is arranged at the top end of the liner barrel, a lower liner sealing head 5 is arranged at the bottom end of the liner barrel, a coil 2 is arranged in the liner barrel, and two ends of the coil are fixed on the upper liner sealing head and extend out of the upper liner sealing head. The enamel inner liner with the built-in coil pipe has the following technical problems:
the edge of the lower end socket of the inner container is easy to deform under the action of high-temperature enamel under the action of external pressure, so that the qualification rate of the enamel built-in coil pipe is obviously reduced.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the above-mentioned prior art, the utility model provides a solve built-in coil pipe inner bag of enamel of above-mentioned technical problem.
In order to realize the purpose of the utility model, the utility model provides a technical scheme as follows:
the utility model provides an enamel embeds coil pipe inner bag, includes the inner bag barrel, and the top of inner bag barrel is provided with inner bag upper cover, and the bottom is provided with inner bag low head, installs the coil pipe in the inner bag barrel, and the both ends of coil pipe are fixed in on the inner bag upper cover to extend inner bag upper cover, inner bag low head is the ellipsoid surface of evagination.
Preferably, the inner container lower sealing cover is further included, the inner container lower sealing cover protrudes inwards to form an inward convex ellipsoid surface, an opening is formed in the bottom of the inner container lower sealing head, the inner container lower sealing cover is clamped in the opening and in interference fit with the inner container lower sealing head, and the inner container lower sealing cover is welded on the inner container lower sealing head to form sealing with the inner container lower sealing head.
Preferably, the inner container lower end socket and the inner container barrel are integrated.
Preferably, the bottom end of the liner lower sealing cover is horizontal and is lower than the bottom end of the liner lower sealing head.
Preferably, the upper end socket of the inner container is an outer convex ellipsoid.
The utility model provides an enamel embeds coil pipe inner bag sets up to the ellipsoid of evagination through with the inner bag low head, and when the inner bag low head received external pressure, the ellipsoid had an outside holding power and prevented its marginal deformation to the qualification rate of enamel embeds coil pipe has been improved.
The utility model provides another technical scheme as follows: the utility model provides an enamel embeds coil pipe inner bag, includes the inner bag barrel, and the top of inner bag barrel is provided with inner bag upper cover, and the bottom is provided with inner bag low head, installs the coil pipe in the inner bag barrel, and the both ends of coil pipe are fixed in on the inner bag upper cover to extend inner bag upper cover, inner bag low head is the sphere of evagination.
Preferably, the inner container lower sealing cover is further included, the inner container lower sealing cover protrudes inwards to form an inward convex spherical surface, an opening is formed in the bottom of the inner container lower sealing head, the inner container lower sealing cover is clamped in the opening and in interference fit with the inner container lower sealing head, and the inner container lower sealing cover is welded on the inner container lower sealing head to form sealing with the inner container lower sealing head.
Preferably, the inner container lower end socket and the inner container barrel are integrated.
Preferably, the bottom end of the liner lower sealing cover is horizontal and is lower than the bottom end of the liner lower sealing head.
Preferably, the upper end socket of the inner container is of a convex spherical shape.
The utility model provides a built-in coil pipe inner bag of enamel sets up the sphere into the evagination through with the inner bag low head, and when the inner bag low head received external pressure, the sphere had an outside holding power and prevented its marginal deformation to the qualification rate of the built-in coil pipe of enamel has been improved.
Drawings
FIG. 1 is a perspective view of a prior art enameled internal coil liner;
FIG. 2 is a perspective view of an enamel inner liner of the built-in coil pipe provided by the present invention;
reference numerals in the figures; the device comprises a coil pipe 2, a liner barrel 3, a liner upper end enclosure 4, a liner lower end enclosure 5 and a liner lower end enclosure 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Embodiment 1, the utility model provides an enamel inner liner with built-in coil, refer to fig. 2, including inner liner barrel 3, the top of inner liner barrel is provided with inner liner upper cover 4, and the bottom is provided with inner liner lower cover 5, installs coil 2 in the inner liner barrel, and the both ends of coil pipe are fixed in inner liner upper cover, and extend inner liner upper cover, inner liner lower cover is the ellipsoid of evagination, and as a preferred scheme, the ellipsoid is an ellipsoid that is cut along the plane of a and b by the ellipsoid that radius a, b, c, wherein, a: b: c is 2.5:1: 1.
The utility model provides an enamel embeds coil pipe inner bag sets up to the ellipsoid of evagination through with the inner bag low head, and when the inner bag low head received external pressure, the ellipsoid had an outside holding power and prevented its marginal deformation to the qualification rate of enamel embeds coil pipe has been improved.
In practical use, in the process of heating the coil pipe, liquid in the inner container barrel is heated to expand so that the lower end socket of the inner container is pressed and enlarged, and therefore the lower end socket of the inner container is easy to bulge outwards and deform, and the service life of the inner container of the enamel built-in coil pipe is influenced in a long time. During manufacturing, the lower end enclosure of the inner container can be welded after being installed, and finally, the inner container of the built-in coil pipe is enameled. The structure is characterized in that the lower liner sealing cover and the lower liner sealing head are matched for use, when the lower liner sealing head is under external pressure, an outward convex ellipsoid of the lower liner sealing head has outward supporting force to prevent the edge of the lower liner sealing head from deforming, when the lower liner sealing head is under internal pressure, an inward convex ellipsoid of the lower liner sealing cover has inward supporting force to prevent the lower liner sealing head from deforming, particularly, the lower liner sealing head and the lower liner sealing head are welded after interference fit, the lower liner sealing head and the lower liner sealing head are mutually supported to prevent the lower liner sealing head from deforming better, and the structure can bear ultrahigh pressure of more than 1.6MPa through tests, cannot deform under high-temperature sintering at 900 ℃, and the qualification rate is improved by 13% compared with the existing structure.
As a preferred embodiment, the liner lower end socket and the liner cylinder are integrated.
In the application, the bottom end of the liner lower sealing cover is preferably horizontal, and the position of the bottom end of the liner lower sealing head is lower than that of the liner lower sealing head. Like this, the built-in coil pipe inner bag of enamel is placed steadily very easily, and when the interior convex ellipsoid surface of inner bag lower cover bore pressure after placing, the bottom of inner bag lower cover also can receive reaction force and prevent that inner bag lower cover warp to share the atress of some inner bag low head, be favorable to the protection of inner bag low head.
In this application, the preferred ellipsoid of evagination of inner bag upper cover, its reason is the same with inner bag low head design principle, and this no longer gives details here.
The utility model provides a built-in coil pipe inner bag of enamel sets up the sphere into the evagination through with the inner bag low head, and when the inner bag low head received external pressure, the sphere had an outside holding power and prevented its marginal deformation to the qualification rate of the built-in coil pipe of enamel has been improved.
In practical use, in the process of heating the coil pipe, liquid in the inner container barrel is heated to expand so that the lower end socket of the inner container is pressed and enlarged, and therefore the lower end socket of the inner container is prone to outward bulging and deformation, and the service life of the inner container of the enamel built-in coil pipe is influenced in a long time. During manufacturing, the lower end enclosure of the inner container can be welded after being installed, and finally, the inner container of the built-in coil pipe is enameled. The structure, the inner container lower sealing cover and the inner container lower sealing head are matched for use, when the inner container lower sealing head is under external pressure, the outer convex spherical surface of the inner container lower sealing head has an outward supporting force to prevent the edge of the inner container lower sealing head from deforming, when the inner container lower sealing head is under internal pressure, the inner convex spherical surface of the inner container lower sealing cover has an inward supporting force to prevent the inner container lower sealing head from deforming, and particularly, the inner container lower sealing cover and the inner container lower sealing head are welded after being in interference fit, and the inner container lower sealing head are mutually supported to prevent the inner container lower sealing head from deforming better.
As a preferred embodiment, the liner lower end socket and the liner cylinder are integrated.
In the application, the bottom end of the liner lower sealing cover is preferably horizontal, and the position of the bottom end of the liner lower sealing head is lower than that of the liner lower sealing head. Like this, the built-in coil pipe inner bag of enamel is placed steadily very easily, and when placing the interior convex spherical surface of closing cap under the inner bag when bearing pressure, the bottom of closing cap under the inner bag also can receive reaction force and prevent the deformation of closing cap under the inner bag to share the atress of some inner bag low head, be favorable to the protection of inner bag low head.
In this application, inner bag upper cover is preferred spherical convex, and its reason is the same with inner bag low head design principle, and this no longer gives details here.
In the application, the outer part, the inner part, the top part, the bottom part and the like are referred to the using state of the internal coil pipe liner in the cover enamel.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An enamel inner liner with a built-in coil pipe comprises an inner liner barrel (3), an inner liner upper end enclosure (4) is arranged at the top end of the inner liner barrel, an inner liner lower end enclosure (5) is arranged at the bottom end of the inner liner barrel, a coil pipe (2) is arranged in the inner liner barrel, two ends of the coil pipe are fixed on the inner liner upper end enclosure and extend out of the inner liner upper end enclosure,
the lower end socket of the inner container is an outer convex ellipsoid.
2. The enamel inner coil liner according to claim 1, further comprising an inner liner lower sealing cover (6), wherein the inner liner lower sealing cover protrudes inwards to form an inward convex ellipsoid surface, an opening is formed in the bottom of the inner liner lower sealing head, the inner liner lower sealing cover is clamped in the opening and is in interference fit with the inner liner lower sealing head, and the inner liner lower sealing cover is welded on the inner liner lower sealing head to form sealing with the inner liner lower sealing head.
3. The enamel inner coil liner as claimed in claim 2, wherein the inner liner lower end socket and the inner liner cylinder are integrated.
4. The enamel inner coil liner as claimed in claim 2, wherein the bottom end of the inner liner lower sealing cover is horizontal and is lower than the bottom end of the inner liner lower sealing head.
5. The enamel inner coil liner as claimed in any one of claims 1 to 4, wherein the upper end socket of the inner liner is an outer convex ellipsoid.
6. An enamel inner liner with a built-in coil pipe, which comprises an inner liner barrel, wherein the top end of the inner liner barrel is provided with an upper inner liner sealing head, the bottom end of the inner liner barrel is provided with a lower inner liner sealing head, the coil pipe is arranged in the inner liner barrel, two ends of the coil pipe are fixed on the upper inner liner sealing head and extend out of the upper inner liner sealing head,
the lower end socket of the inner container is a convex spherical surface.
7. The enamel inner coil liner according to claim 6, further comprising an inner liner lower sealing cover, wherein the inner liner lower sealing cover protrudes inwards to form an inward convex spherical surface, an opening is formed in the bottom of the inner liner lower sealing head, the inner liner lower sealing cover is clamped in the opening and is in interference fit with the inner liner lower sealing head, and the inner liner lower sealing cover is welded on the inner liner lower sealing head to form sealing with the inner liner lower sealing head.
8. The enamel inner coil liner as claimed in claim 7, wherein the inner liner lower end socket and the inner liner cylinder are integrated.
9. The enamel inner coil liner as claimed in claim 7, wherein the bottom end of the inner liner lower sealing cover is horizontal and is lower than the bottom end of the inner liner lower sealing head.
10. The enamel inner coil liner as claimed in any one of claims 6 to 9, wherein the upper end socket of the inner liner is of a convex spherical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020425298.1U CN212048322U (en) | 2020-03-27 | 2020-03-27 | Enamel inner container with built-in coil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020425298.1U CN212048322U (en) | 2020-03-27 | 2020-03-27 | Enamel inner container with built-in coil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212048322U true CN212048322U (en) | 2020-12-01 |
Family
ID=73539245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020425298.1U Active CN212048322U (en) | 2020-03-27 | 2020-03-27 | Enamel inner container with built-in coil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212048322U (en) |
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2020
- 2020-03-27 CN CN202020425298.1U patent/CN212048322U/en active Active
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