CN215783476U

CN215783476U - Combined condenser pipe

Info

Publication number: CN215783476U
Application number: CN202122446997.1U
Authority: CN
Inventors: 韩洪亮; 廖瑞欣; 席瑞; 马占芳
Original assignee: Capital Normal University
Current assignee: Capital Normal University
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-02-11
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a combined condenser pipe, which comprises an outer pipe structure for condensation and an inner pipe structure for condensation, wherein the middle section of the inner pipe structure for condensation is arranged in the outer pipe structure for condensation and is detachably and hermetically connected with the outer pipe structure for condensation; a liquid inlet connecting pipe and a liquid outlet connecting pipe are arranged on the outer pipe structure for condensation; the middle section of the inner pipe structure for condensation and the outer pipe structure for condensation enclose a cooling liquid circulation cavity. The utility model can assemble the outer pipe and the inner pipe in a detachable way, can solve the problem that the whole outer pipe or the inner pipe is scrapped when damaged, and simultaneously solves the problem that the cooling liquid circulation cavity is not easy to clean.

Description

Combined condenser pipe

Technical Field

The utility model relates to the technical field of laboratory instruments. In particular to a combined condenser pipe.

Background

The existing condensation pipe for the laboratory is basically that an inner pipe and an outer pipe are fixedly connected, namely, the inner pipe and the outer pipe are fired together through glass to form an integrated structure. However, such a condenser tube has problems in that: firstly, the local damage is scrapped; secondly, behind the cooling liquid circulation intracavity incrustation scale production, lead to cooling efficiency to descend, be subject to the structure of present laboratory condenser pipe in addition, the cooling liquid circulation intracavity portion can't wash.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to provide a combined condenser tube, wherein an outer tube and an inner tube are detachably assembled, so that the problem that the whole outer tube or the whole inner tube is scrapped when damaged can be solved, and the problem that a cooling liquid circulation cavity is not easy to clean is also solved.

In order to solve the technical problems, the utility model provides the following technical scheme:

the combined condenser pipe comprises an outer pipe structure for condensation and an inner pipe structure for condensation, wherein the middle section of the inner pipe structure for condensation is arranged in the outer pipe structure for condensation and is detachably and hermetically connected with the outer pipe structure for condensation; a liquid inlet connecting pipe and a liquid outlet connecting pipe are arranged on the outer pipe structure for condensation; the middle section of the inner pipe structure for condensation and the outer pipe structure for condensation enclose a cooling liquid circulation cavity.

According to the combined condenser pipe, the outer pipe structure for condensation comprises an upper connecting pipe, a lower connecting pipe and a middle section straight pipe, the lower end of the upper connecting pipe is fixedly connected with the upper end of the middle section straight pipe and is communicated with fluid, and the lower end of the middle section straight pipe is fixedly connected with the upper end of the lower connecting pipe and is communicated with fluid; the lower end of the inner pipe structure for condensation passes through the middle hole of the upper connecting pipe, the middle hole of the middle section straight pipe and the middle hole of the lower connecting pipe at one time, is arranged below the lower connecting pipe and is detachably and hermetically connected with the inner wall of the lower connecting pipe; the inner pipe structure for condensation is connected with the inner wall of the upper connecting pipe in a sealing and detachable mode.

Above-mentioned combined condenser pipe, outer tubular structure for the condensation still includes spacing pipe, and spacing pipe upper end can be dismantled with inner tubular structure upper end for the condensation and be connected, and spacing pipe lower extreme can be dismantled sealing connection with last takeover.

In the combined condenser pipe, the liquid inlet connecting pipe is arranged at the lower end of the middle straight pipe, and the liquid outlet connecting pipe is arranged at the lower end of the upper connecting pipe.

According to the combined condenser pipe, the inner pipe structure for condensation comprises an upper guide pipe, an upper conical pipe, a middle section straight guide pipe, a lower conical pipe and a lower guide pipe, wherein the lower end of the upper guide pipe is fixedly connected with the upper end of the upper conical pipe and is communicated with fluid; the upper guide pipe, the upper taper pipe, the middle section straight guide pipe, the lower taper pipe and the lower guide pipe are coaxially assembled.

In the combined condenser pipe, an elastic material gasket is arranged between the outer wall of the upper conduit and the inner wall of the condensation outer pipe structure.

In the combined condenser pipe, the included angle between the outer wall of the elastic material gasket and the vertical direction is more than 0 degree and less than 90 degrees.

The technical scheme of the utility model achieves the following beneficial technical effects:

the outer pipe and the inner pipe are arranged into the components which can be assembled detachably, so that the damage of the inner pipe or the damage of the outer pipe can be avoided, the whole condenser pipe can be scrapped, meanwhile, the cavity for circulating cooling liquid can be conveniently cleaned, and the solidification and adhesion of water scale on the outer wall of the inner pipe are avoided.

Drawings

FIG. 1 is a schematic structural view of a combined condenser tube according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

The reference numbers in the figures denote: 10-condensation outer tube structure, 11-middle section straight tube, 12-lower connecting tube, 13-rubber backing ring, 14-upper connecting tube, 15-upper fixing hook, 16-lower fixing hook, 17-rubber band, 18-limiting tube; 20-inner pipe structure for condensation, 21-middle section straight conduit, 22-upper conduit, 23-upper conical pipe, 24-lower conical pipe, 25-lower conduit and 26-elastic material gasket; 30-liquid outlet connecting pipe; 40-liquid inlet connecting pipe.

Detailed Description

In this embodiment, as shown in fig. 1 and fig. 2, the combined condenser tube of the present invention includes an outer tube structure for condensation 10 and an inner tube structure for condensation 20, wherein a middle section of the inner tube structure for condensation 20 is disposed in the outer tube structure for condensation 10 and is detachably and hermetically connected to the outer tube structure for condensation 10; the condensation outer pipe structure 10 is provided with a liquid inlet connecting pipe 40 and a liquid outlet connecting pipe 30; the middle section of the inner condensation pipe structure 20 and the outer condensation pipe structure 10 form a cooling liquid circulation cavity.

The condensation outer tube structure 10 comprises an upper connecting tube 14, a lower connecting tube 12 and a middle section straight tube 11, wherein the lower end of the upper connecting tube 14 is fixedly connected with the upper end of the middle section straight tube 11 and is communicated with fluid, and the lower end of the middle section straight tube 11 is fixedly connected with the upper end of the lower connecting tube 12 and is communicated with fluid; the lower end of the inner pipe structure 20 for condensation passes through the middle hole of the upper connecting pipe 14, the middle hole of the middle straight pipe 11 and the middle hole of the lower connecting pipe 12 at one time, is arranged below the lower connecting pipe 12 and is detachably connected with the inner wall of the lower connecting pipe 12 in a sealing manner; the inner pipe structure 20 for condensation is hermetically and detachably connected with the inner wall of the upper connecting pipe 14. An annular groove which surrounds the axial direction of the lower connecting pipe 12 is arranged on the inner wall of the lower end of the lower connecting pipe 12, and a rubber backing ring 13 is arranged in the groove. When the lower end of the condensation inner tube structure 20 penetrates through the central hole of the lower connecting tube 12 and is arranged below the lower connecting tube 12, the outer wall of the condensation inner tube structure 20 presses the rubber backing ring 13, and the rubber backing ring 13 blocks a gap between the lower connecting tube 12 and the inner wall of the condensation inner tube structure 20.

The condensation outer tube structure 10 further comprises a limiting tube 18, the upper end of the limiting tube 18 is detachably connected with the upper end of the condensation inner tube structure 20, and the lower end of the limiting tube 18 is detachably connected with the upper connecting tube 14 in a sealing manner. The liquid inlet connecting pipe 40 is arranged at the lower end of the middle section straight pipe 11, and the liquid outlet connecting pipe 30 is arranged at the lower end of the upper connecting pipe 14. The lower end of the limiting pipe 18 is provided with an upper fixing hook 15, the upper end of the middle straight pipe 11 is provided with a lower fixing hook 16, when the utility model is assembled according to the figure 1, the lower fixing hook 16 and the upper fixing hook 15 are bound together and tightly bound by a rubber band 17, so that the limiting pipe 18 is tightly pressed on the outer wall of the upper connecting pipe 14.

In this embodiment, the inner tube structure 20 for condensation includes an upper guide tube 22, an upper taper tube 23, a middle straight guide tube 21, a lower taper tube 24 and a lower guide tube 25, the lower end of the upper guide tube 22 is fixedly connected with the upper end of the upper taper tube 23 and is in fluid communication with the upper end of the middle straight guide tube 21, the lower end of the middle straight guide tube 21 is fixedly connected with the upper end of the lower taper tube 24 and is in fluid communication with the upper end of the lower taper tube 25, and the lower end of the lower taper tube 24 is fixedly connected with the upper end of the lower guide tube 25 and is in fluid communication with the upper end of the lower taper tube; the upper guide tube 22, the upper taper tube 23, the middle straight guide tube 21, the lower taper tube 24 and the lower guide tube 25 are coaxially assembled. An elastic material gasket 26 is arranged between the outer wall of the upper conduit 22 and the inner wall of the condensation outer tube structure 10, an included angle between the outer wall of the elastic material gasket 26 and the vertical direction is 10 degrees, and the elastic material gasket 26 is a rubber gasket.

The utility model is used, the rubber backing ring 13 is placed in a groove on the inner wall of the lower connecting pipe 12, then the lower guide pipe 25 of the inner pipe structure 20 for condensation sequentially passes through the middle hole of the upper connecting pipe 14, the middle hole of the middle straight pipe 11 and the middle hole of the lower connecting pipe 12 and is arranged below the lower connecting pipe 12, at this time, the outer wall of the lower conical pipe 24 extrudes the rubber backing ring 13 to enable the rubber backing ring 13 to plug a gap between the outer wall of the lower conical pipe 24 and the inner wall of the lower connecting pipe 12, then the limiting pipe 18 is sleeved on the upper guide pipe 22, the limiting pipe 18 extrudes the rubber gasket to enable the rubber gasket to plug the gap between the inner wall of the limiting pipe 18 and the outer wall of the upper guide pipe 22, then vaseline is coated in a region, which is contacted with the inner wall of the limiting pipe 18, on the outer wall of the upper connecting pipe 14, then the lower fixing hook 16 and the upper fixing hook 15 are bound together by the rubber band 17 to enable the limiting pipe 18 to be bound with the middle straight pipe 11, and the assembly of the utility model can be realized. Let under the condition that the coolant liquid circulation intracavity required high pressure, can adopt the nylon rope to tie up down fixed hook 16 and last fixed hook 15 and tie up together for fixed connection is realized with middle section straight tube 11 to spacing pipe 18.

In addition, the limiting pipe 18 and the upper connecting pipe 14 can be connected in a threaded sealing manner, but for ordinary experiments, the combined condenser pipe in the embodiment can be used adequately as long as the water outlet pipe is ensured to be smooth.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.

Claims

1. The combined condenser pipe is characterized by comprising an outer pipe structure (10) for condensation and an inner pipe structure (20) for condensation, wherein the middle section of the inner pipe structure (20) for condensation is arranged in the outer pipe structure (10) for condensation and is detachably and hermetically connected with the outer pipe structure (10) for condensation; the condensation outer pipe structure (10) is provided with a liquid inlet connecting pipe (40) and a liquid outlet connecting pipe (30); the middle section of the inner pipe structure (20) for condensation and the outer pipe structure (10) for condensation enclose a cooling liquid circulation cavity.

2. The combined condenser tube of claim 1, wherein the outer tube structure (10) for condensation comprises an upper connection tube (14), a lower connection tube (12) and a middle straight tube (11), wherein the lower end of the upper connection tube (14) is fixedly connected with the upper end of the middle straight tube (11) and is in fluid communication with the upper end of the lower connection tube (12); the lower end of the inner pipe structure (20) for condensation passes through the middle hole of the upper connecting pipe (14), the middle hole of the middle section straight pipe (11) and the middle hole of the lower connecting pipe (12) at one time and is arranged below the lower connecting pipe (12) and detachably and hermetically connected with the inner wall of the lower connecting pipe (12); the inner pipe structure (20) for condensation is hermetically and detachably connected with the inner wall of the upper connecting pipe (14).

3. The combined condenser tube of claim 2, wherein the outer tube structure (10) for condensation further comprises a limiting tube (18), the upper end of the limiting tube (18) is detachably connected with the upper end of the inner tube structure (20) for condensation, and the lower end of the limiting tube (18) is detachably and hermetically connected with the upper connecting tube (14).

4. The combined condenser tube of claim 3, wherein the inlet connection tube (40) is provided on the lower end of the middle straight tube (11), and the outlet connection tube (30) is provided on the lower end of the upper connection tube (14).

5. The combined condenser tube according to any one of claims 1 to 4, wherein the inner tube structure (20) for condensation comprises an upper conduit (22), an upper conical tube (23), a middle straight conduit (21), a lower conical tube (24) and a lower conduit (25), wherein the lower end of the upper conduit (22) is fixedly connected with the upper end of the upper conical tube (23) and is in fluid communication with the upper end of the middle straight conduit (21), the lower end of the middle straight conduit (21) is fixedly connected with the upper end of the lower conical tube (24) and is in fluid communication with the upper end of the lower conduit (25), and the lower end of the lower conical tube (24) is fixedly connected with the upper end of the lower conduit (25) and is in fluid communication with the upper end of the lower conduit; the upper guide pipe (22), the upper taper pipe (23), the middle straight guide pipe (21), the lower taper pipe (24) and the lower guide pipe (25) are coaxially assembled.

6. The combined condenser tube of claim 5, wherein a gasket (26) of elastic material is provided between the outer wall of the upper duct (22) and the inner wall of the condensing outer tube structure (10).

7. The combined condenser tube according to claim 6, wherein the angle between the outer wall of the gasket (26) of elastic material and the vertical is greater than 0 ° and less than 90 °.