CN214065415U

CN214065415U - Detection hole structure of cold box

Info

Publication number: CN214065415U
Application number: CN202022825121.3U
Authority: CN
Inventors: 周翠兰; 郭世超
Original assignee: Zhejiang Xingxing Refrigeration Co Ltd
Current assignee: Zhejiang Xingxing Refrigeration Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-27
Anticipated expiration: 2030-11-30

Abstract

The utility model provides a manhole structure of cold box belongs to the refrigeration technology field. It has solved the relatively poor class of technical problem of current inspection hole structure suitability. This inspection hole structure of cold box includes the cold box has the shell, sets up the inner bag in the shell and is located the foaming layer between shell and the inner bag, be equipped with through-hole one on the shell, be equipped with the through-hole two that sets up relatively with through-hole one on the inner bag, the inspection hole structure includes that insert the sleeve one of locating in the foaming layer through-hole one and insert the sleeve two of locating in the foaming layer through-hole two, its characterized in that, threaded connection is crossed to sleeve one and sleeve two in the foaming layer. The utility model provides the high suitability of inspection hole structure.

Description

Detection hole structure of cold box

Technical Field

The utility model belongs to the technical field of the refrigeration, concretely relates to inspection hole structure of cold box.

Background

The box of cold box generally includes shell, inner bag and fills the foaming layer between shell and inner bag, is equipped with the inspection hole structure on the box usually, and its effect is when the cold box breaks down, and the inside condition of box is looked over through the inspection hole to the easy access person. The detection hole structure of the existing cold box generally comprises a first sleeve and a second sleeve, wherein the first sleeve and the second sleeve are respectively installed from the outer side of a shell and the inner side of an inner container. The inner end of the first sleeve penetrates through the shell and is abutted against the inner wall of the inner container, and the outer end of the first sleeve is provided with a first end cap; the outer end of the second sleeve penetrates through the inner container and is abutted against the inner wall of the shell, and the outer end of the second sleeve is provided with a second end cap; the sleeve positioned between the outer shell and the inner container is sleeved on the sleeve I, and then the sleeve I and the sleeve II are fixedly connected through foaming between the outer shell and the inner container.

However, in the foaming process of the box body, because the first end cap and the second end cap cannot be tightly attached to the corresponding shell and the corresponding inner container, gaps exist between the first end cap and the outer wall of the shell and between the second end cap and the inner wall of the inner container, so that foaming agent easily flows out from the gaps, and the cleaning is time-consuming and labor-consuming. And, sleeve one inner end need with inner bag inner wall butt, two outer ends of sleeve need with shell inner wall butt to ensure that sleeve one and sleeve two do not break away from in the foaming process, consequently, this inspection hole structure can only be applicable to the cold box that has the same thickness design, and the suitability is relatively poor.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a cold box's inspection hole structure, the utility model aims to solve the technical problem that: how to improve the adaptability of the detection hole structure.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a detection hole structure of cold box, the cold box has the shell, sets up the inner bag in the shell and is located the foaming layer between shell and the inner bag, be equipped with through-hole one on the shell, be equipped with the through-hole two that sets up relatively with through-hole one on the inner bag, the detection hole structure includes that it inserts sleeve one of locating in the foaming layer and inserts sleeve two of locating in the foaming layer through-hole two, its characterized in that, threaded connection is crossed to sleeve one and sleeve two in the foaming layer.

The first sleeve and the second sleeve are connected through threads, so that stable connection between the first sleeve and the second sleeve can be achieved, the first sleeve and the second sleeve can be adjusted in threaded connection, the first sleeve and the second sleeve are applicable to boxes with different thickness designs, and the adaptability is improved. Compared with the prior art, this patent need not with the help of box foaming process, so can install after the foaming, with the through-hole one and the through-hole two on the sticky tape shutoff box earlier, wait to accomplish the foaming back from the shell outside with sleeve one insert through-hole one, insert through-hole two with sleeve two from the inner bag inboard, then with sleeve one and sleeve two screw threads tightly, can avoid the problem of foaming agent leakage outward to applicable in the box that has different foaming layer thickness or shell thickness or inner bag thickness, the suitability is good.

In the detection hole structure of the cold box, the first sleeve comprises a first barrel body inserted into the foaming layer through a first through hole, the outer end of the first barrel body extends in the circumferential direction to form a first end cap, the first end cap abuts against the outer wall of the shell, the second sleeve comprises a second barrel body inserted into the foaming layer through a second through hole, the outer end of the second barrel body extends in the circumferential direction to form a second end cap, and the second end cap abuts against the inner wall of the inner container. The arrangement of the first end cap and the second end cap facilitates the screwing of the first sleeve and the first sleeve by tools such as an electric screwdriver, the installation stability of the detection hole structure on the box body can be improved, and the interference of a pair of outer side areas of the outer shell of the sleeve and a pair of inner side areas of the inner liner of the sleeve can be avoided.

In the inspection hole structure of the cold box, the barrel is sleeved on the barrel II, the inner peripheral wall of the barrel I is provided with an internal thread, and the outer peripheral wall of the barrel II is provided with an external thread. Namely, the cylinder body in the foaming layer is sleeved on the cylinder body II, so that the installation is convenient. The structure that the barrel body is sleeved on the barrel body I can also be adopted, namely, the outer peripheral wall of the barrel body I is provided with an external thread, and the inner peripheral wall of the barrel body II is provided with an internal thread.

In the detection hole structure of the cold box, the external thread on the second cylinder body extends from the outer end of the second cylinder body to the inner end of the second cylinder body. The screw connection depth of the first cylinder body and the second cylinder body can be conveniently adjusted, and the adaptability is improved.

In the detection hole structure of the cold box, the detection hole structure further comprises a plug inserted into an outer port of the cylinder body. When needing to overhaul, can directly extract the stopper and block up and look over, overhaul the completion back, the outer port at barrel one is installed to the stopper stifled, can avoid outside dust or debris to pass through the inspection hole structure and get into in the inner bag.

In the inspection hole structure of foretell cold box, the stopper includes the apron and connects in the inboard inserted bar of apron, barrel one includes the screw thread section and connects in the linkage segment between screw thread section and end cap one, the inner periphery wall of inserted bar is equipped with the annular protruding edge with screw thread section tight fit, the apron supports and leans on end cap one. The plug-in stability of the plug in the first cylinder body can be ensured.

In the detection hole structure of the cold box, the through hole is positioned at the upper end of the shell, and the through hole is positioned at the upper end of the inner container. The mounting hole structure sets up in the box upper end of cold box promptly, is convenient for look over the box from the box upper end downwards inside, improves the convenience of overhauing.

Compared with the prior art, the utility model has the advantages of it is following: the first sleeve and the second sleeve are connected through threads, so that stable connection between the first sleeve and the second sleeve can be achieved, the first sleeve and the second sleeve can be adjusted in threaded connection, the first sleeve and the second sleeve are applicable to boxes with different thickness designs, and the adaptability is improved. The foaming agent can be installed after foaming, so that the problem of foaming agent leakage can be avoided.

Drawings

Fig. 1 is a schematic structural view of the present embodiment mounted on a cold box.

Fig. 2 is a sectional view of the present embodiment mounted on a cold box.

Fig. 3 is a schematic view of an exploded structure of the present embodiment.

In the figure, 1, a housing; 1a, a first through hole; 2. an inner container; 2a, a second through hole; 3. a first sleeve; 31. a first cylinder body; 32. a first end cap; 4. a second sleeve; 41. a second cylinder body; 42. a second end cap; 5. plugging; 51. a cover plate; 52. inserting a rod; 521. and the annular convex edge.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, this embodiment is used for installing on the cold box, and the cold box has shell 1, set up inner bag 2 in shell 1 and be located the foaming layer between shell 1 and the inner bag 2, is equipped with through-hole 1a on shell 1, is equipped with the through-hole two 2a that sets up with through-hole 1a relatively on the inner bag 2, and through-hole 1a and through-hole two 2a are located shell 1 upper end and inner bag 2 upper end respectively, are convenient for look over the box inside from the box upper end downwards, improve the convenience of overhauing. The detection hole structure comprises a first sleeve 3 inserted into the foaming layer through a first through hole 1a and a second sleeve 4 inserted into the foaming layer through a second through hole 2a, and the first sleeve 3 and the second sleeve 4 in the foaming layer are connected through threads. The sleeve I3 and the sleeve II 4 are connected through threads, so that stable connection between the sleeve I3 and the sleeve II 4 can be achieved, the bolt connection length of the sleeve I3 and the sleeve II 4 can be adjusted, and the adapter is suitable for boxes with different thickness designs and improves the adaptability. In addition, the foaming process of the box body is not needed, so the foaming box can be installed after foaming, namely, the through hole I1 a and the through hole II 2a on the box body are firstly sealed by using an adhesive tape, after foaming is finished, the inner end of the sleeve I3 is inserted into the through hole I1 a from the outer side of the shell 1, the outer end of the sleeve II 4 is inserted into the through hole II 2a from the inner side of the liner 2, and then the sleeve I3 and the sleeve II 4 are screwed tightly, so that the problem of foaming agent leakage can be avoided, and the foaming box is suitable for box bodies with different foaming layer thicknesses or the thicknesses of the shell 1 or the thickness of the liner 2, and has good adaptability.

The sleeve I3 comprises a cylinder body I31 inserted into the foaming layer through a through hole I1 a, the outer end of the cylinder body I31 extends in the circumferential direction to form a first end cap 32, the first end cap 32 abuts against the outer wall of the shell 1, the sleeve II 4 comprises a cylinder body II 41 inserted into the foaming layer through a through hole II 2a, the outer end of the cylinder body II 41 extends in the circumferential direction to form a second end cap 42, and the second end cap 42 abuts against the inner wall of the liner 2. The arrangement of the first end cap 32 and the second end cap 42 facilitates the screwing of the first sleeve 3 and the first sleeve 3 by tools such as an electric screwdriver and the like, and meanwhile, the installation stability of the detection hole structure on the box body can be improved, and the interference of the first sleeve 3 to the outer side area of the shell 1 and the interference of the second sleeve 4 to the inner side area of the inner container 2 can be avoided.

The first cylinder 31 is sleeved on the second cylinder 41, internal threads are arranged on the inner peripheral wall of the first cylinder 31, and external threads are arranged on the outer peripheral wall of the second cylinder 41. Namely, the first cylinder 31 in the foaming layer is sleeved on the second cylinder 41, which is convenient for installation. The structure that the second cylinder 41 is sleeved on the first cylinder 31 can also be adopted, namely, an external thread is arranged on the outer circumferential wall of the first cylinder 31, and an internal thread is arranged on the inner circumferential wall of the second cylinder 41.

The external threads on the second cylinder 41 extend from the outer end of the second cylinder 41 to the inner end of the second cylinder 41, so that the screwing depth of the first cylinder 31 and the second cylinder 41 can be adjusted conveniently, and the adaptability is improved.

The detection hole structure also comprises a plug 5 inserted into the outer port of the first cylinder 31, and when the detection hole structure needs to be overhauled, the plug 5 can be directly pulled out for checking. After the overhaul is finished, the plug 5 is arranged at the outer port of the first cylinder body 31, so that external dust or sundries can be prevented from entering the inner container 2 through the detection hole structure.

The plug 5 comprises a cover plate 51 and an inserting rod 52 connected to the inner side of the cover plate 51, the first cylinder 31 comprises a threaded section and a connecting section connected between the threaded section and the first end cap 32, an annular convex edge 521 in tight fit with the threaded section is arranged on the outer peripheral wall of the inner end of the inserting rod 52, the cover plate 51 abuts against the first end cap 32, and the inserting stability of the plug 5 in the first cylinder 31 can be ensured.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, the housing is used more herein; 1a, a first through hole; 2. an inner container; 2a, a second through hole; 3. a first sleeve; 31. a first cylinder body; 32. a first end cap; 4. a second sleeve; 41. a second cylinder body; 42. a second end cap; 5. plugging; 51. a cover plate; 52. inserting a rod; 521. annular flange, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a detection hole structure of cold box, the cold box has shell (1), sets up inner bag (2) in shell (1) and is located the foaming layer between shell (1) and inner bag (2), be equipped with through-hole (1a) on shell (1), be equipped with the through-hole two (2a) that set up relatively with through-hole (1a) on inner bag (2), detection hole structure includes that it inserts sleeve (3) of locating in the foaming layer and inserts sleeve two (4) of locating in the foaming layer through-hole two (2a) through-hole one (1a), its characterized in that, the intraformational sleeve (3) of foaming and sleeve two (4) pass through threaded connection.

2. The manhole structure of the cold box according to claim 1, wherein the first sleeve (3) comprises a first barrel body (31) inserted into the foaming layer through a first through hole (1a), the outer end of the first barrel body (31) extends circumferentially to form a first end cap (32), the first end cap (32) abuts against the outer wall of the shell (1), the second sleeve (4) comprises a second barrel body (41) inserted into the foaming layer through a second through hole (2a), the outer end of the second barrel body (41) extends circumferentially to form a second end cap (42), and the second end cap (42) abuts against the inner wall of the inner container (2).

3. The manhole structure of the cold box according to claim 2, wherein the first cylinder (31) is sleeved on the second cylinder (41), the inner circumferential wall of the first cylinder (31) is provided with internal threads, and the outer circumferential wall of the second cylinder (41) is provided with external threads.

4. The manhole structure of the cold box according to claim 3, wherein the external thread on the second cylinder (41) extends from the outer end of the second cylinder (41) to the inner end of the second cylinder (41).

5. The manhole structure of a cold box according to claim 3, further comprising a plug (5) inserted in an external port of the cylinder one (31).

6. The inspection hole structure of the cold box according to claim 5, wherein the plug (5) comprises a cover plate (51) and an inserting rod (52) connected to the inner side of the cover plate (51), the first cylinder (31) comprises a threaded section and a connecting section connected between the threaded section and the first end cap (32), the outer peripheral wall of the inner end of the inserting rod (52) is provided with an annular convex edge (521) in tight fit with the threaded section, and the cover plate (51) abuts against the first end cap (32).

7. The cold box detection hole structure as claimed in any one of claims 1 to 6, wherein the first through hole (1a) is located at the upper end of the outer shell (1), and the second through hole (2a) is located at the upper end of the inner container (2).