Plug type pipe box of air cooler

Abstract

The utility model relates to an air cooler screwed plug type pipe box which comprises a pipe box body which is of a hollow structure and comprises screwed plug holes, and the screwed plug holes comprise a second hole formed in the first end of the pipe box body and a first hole formed in the second end of the second hole; the first end of the first screwed plug is in threaded connection in the first hole, and the second end extends out of the first end of the first hole; the second screwed plug is connected into the second hole in a threaded mode, and the first end of the first screwed plug is clamped into the second end of the second screwed plug. A screwed plug hole of a pipe box body is designed to be a stepped hole, a first screwed plug is connected into a first hole in a screwed mode, a second screwed plug is connected into a second hole in a screwed mode, the second screwed plug abuts against the second end of the second hole, meanwhile, the first end of the first screwed plug is clamped into the second end of the second screwed plug, and abutting force is provided for the first screwed plug while the second screwed plug is screwed down; and meanwhile, the first screwed plug and the second screwed plug have certain initial sealing specific pressure, the structure is simple, and the sealing effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field especially relates to a air cooler plug type pipe box. BACKGROUND

[0002] Air cooler mainly is with environmental air as cooling medium and transverse to the finned tube outside, make the high temperature process fluid in the tube cooling or condensation, reach the purpose of environmental protection, water saving and energy saving. Air cooler has been widely applied in water saving, energy saving of chemical plant.

[0003] Air cooler plug type pipe box usually only sets up a through plug hole in one side of pipe box body, and the plug is screwed therein. In the case of continuous high pressure, leakage is prone to occur between the plug and the plug hole, and good sealing effect cannot be achieved. In addition, the plug is usually designed in one piece, and once wear occurs, the plug must be replaced as a whole, resulting in large material loss.

[0004] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present disclosure, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model discloses an air cooler plug type pipe box to solve the problem of poor sealing effect of the plug in the plug type pipe box and high replacement cost.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] An air cooler plug type pipe box comprises a pipe box body, which is a hollow structure, the pipe box body comprises a plug hole, the plug hole comprises a second hole formed in a first end of the pipe box body and a first hole formed in a second end of the second hole, a first plug, a first end of which is threadedly connected in the first hole, a second end of which extends out of the first end of the first hole, and a second plug, which is threadedly connected in the second hole, and a first end of the first plug is clamped into a second end of the second plug.

[0008] Further, a groove is formed in the center of the second end of the second plug, the first end of the first plug is clamped into the groove, and the bottom of the groove abuts against the first plug.

[0009] Further, the second end of the first plug is a first threaded portion, the first end of the first plug is a non-threaded portion, and the non-threaded portion is clamped into the groove.

[0010] Further, the outer diameter of the first threaded portion is greater than the outer diameter of the non-threaded portion.

[0011] Further, a ring groove is formed on the outside of the second end of the second plug, and a sealing ring is arranged in the ring groove.

[0012] Further, a right angle is formed on the outside of the second end of the first plug.

[0013] Further, a plug head is arranged on the first end of the second plug.

[0014] Further, a heat exchange pipe is arranged on the second end of the pipe box, and the position of the heat exchange pipe corresponds to the plug hole.

[0015] The beneficial effects of the embodiment of the present application are as follows:

[0016] (1) The air cooler plug type pipe box of the embodiment of the present application has the following advantages: the plug hole of the pipe box is designed as a stepped hole, the first plug is screwed into the first hole, the second plug is screwed into the second hole, the second end of the second hole is tightly pressed by the second plug, the first end of the first plug is clamped into the second end of the second plug, the second plug is tightened to provide a pressing force to the first plug, the area of the sealing surface is increased, the first plug and the second plug both have a certain initial sealing specific pressure, the structure is simple, and the sealing effect is good.

[0017] (2) Further, the first plug is screwed first, and then the second plug is screwed, so that the installation and dismounting are convenient, and the design cost and replacement cost are low. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Fig. 1 is a structural schematic view of an air cooler plug type pipe box of the present application.

[0019] In the drawings:

[0020] 1, pipe box; 11, plug hole; 111, first hole; 112, second hole; 2, first plug; 21, first threaded part; 22, non-threaded part; 3, second plug; 31, second threaded part; 32, groove; 33, plug head; 34, ring groove; 4, heat exchange pipe; 5, sealing ring. DETAILED DESCRIPTION

[0021] The specific implementation manner of the present application will be described below with reference to the drawings.

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will make further detailed description to the device of the utility model combining with the drawings and specific embodiments. According to the following description, the advantages and features of the utility model will be more clearly. It should be noted that the drawings are very simplified and all use non-precise proportions, only for the purpose of facilitating and clearly assisting the description of the embodiment of the utility model. In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, please refer to the drawings. It should be known that the structure, proportion, size and the like shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification, for the understanding and reading of persons skilled in the art, and not used to limit the limiting conditions of the implementation of the utility model, so it does not have the substantial meaning of technology, any modification of structure, change of proportion relationship or adjustment of size, as long as it does not affect the effect and purpose that can be achieved by the utility model, should still fall within the scope covered by the disclosed technical content of the utility model.

[0023] Embodiment:

[0024] The embodiment discloses a air cooler plug type tube box.

[0025] As shown in the drawings, Figure 1 The air cooler plug type tube box comprises a tube box body 1, a first plug 2 and a second plug 3.

[0026] The tube box body 1 is a hollow structure, and the tube box body 1 comprises a plug hole 11, the plug hole 11 comprises a second hole 112 arranged at a first end of the tube box body 1 and a first hole 111 arranged at a second end of the second hole 112. Specifically, the inner diameter of the first hole 111 is smaller than the inner diameter of the second hole 112, and the first hole 111 and the second hole 112 are in through communication.

[0027] The first end of the first plug 2 is threadedly connected in the first hole 111, and the first end of the first plug 2 extends out of the first end of the first hole 111. The second plug 3 is threadedly connected in the second hole 112, and the first end of the first plug 2 is clamped into the second end of the second plug 3.

[0028] Specifically, the first end of the first plug 2 is clamped into the recess 32, and at this time, the bottom of the recess 32 abuts against the first end of the first plug 2. Specifically, the second end of the first plug 2 is a first threaded portion 21, the first end of the first plug 2 is a non-threaded portion 22, and the non-threaded portion 22 is clamped into the recess 32. Preferably, the outer diameter of the non-threaded portion 22 is greater than the outer diameter of the first threaded portion 21, the non-threaded portion 22 abuts against the second end of the second hole 112, further increases the sealing area, and improves the sealing effect.

[0029] As shown in the drawings, Figure 1As shown, further, the second end of the second plug 3 is provided with a ring groove 34 outside, and a sealing ring 5 is arranged in the ring groove 34, so as to improve the sealing effect between the second plug 3 and the second hole 112.

[0030] As shown, further, the second end of the second plug 3 is provided with a ring groove 34 outside, and a sealing ring 5 is arranged in the ring groove 34, so as to improve the sealing effect between the second plug 3 and the second hole 112. Figure 1

[0031] As shown, further, the second end of the second plug 3 is provided with a ring groove 34 outside, and a sealing ring 5 is arranged in the ring groove 34, so as to improve the sealing effect between the second plug 3 and the second hole 112. Figure 1

[0032] As shown, further, the second end of the second plug 3 is provided with a ring groove 34 outside, and a sealing ring 5 is arranged in the ring groove 34, so as to improve the sealing effect between the second plug 3 and the second hole 112. Figure 1

[0033] In the embodiment, the plug hole 11 of the pipe box body 1 is designed as a stepped hole, the first plug 2 is screwed in the first hole 111, and the second plug 3 is screwed in the second hole 112, the second end of the second hole 112 is abutted by the second plug 3, the first end of the first plug 2 is clamped in the second end of the second plug 3, the second plug 3 provides an abutting force to the first plug 2 when being screwed, the area of the sealing surface is increased, the first plug 2 and the second plug 3 both have an initial sealing specific pressure, the structure is simple, the sealing effect is good, the replacement is convenient, and the replacement cost is low.

[0034] The technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that the combinations are within the scope of the present disclosure.

[0035] The above-described embodiments only express several implementation manners of the present disclosure, the description is relatively specific and detailed, but it should not be understood as the limitation on the scope of the present disclosure. It should be pointed out that for ordinary skilled persons in the art, on the premise of not departing from the concept of the present disclosure, a number of modifications and improvements can be made, and these all belong to the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the appended claims.​​​

Claims

1. An air cooler plug-type tube sheet, characterized by, The air cooler plug-type tube box comprises: a tube box body, which is a hollow structure, comprising a plug hole, the plug hole comprising a second hole opened at a first end of the tube box body and a first hole opened at a second end of the second hole; a first plug, a first end of which is threadedly connected in the first hole and a second end of which extends out of a first end of the first hole; a second plug, which is threadedly connected in the second hole and a first end of which is clamped into a second end of the second plug.

2. The air cooler nipple-type tube sheet according to claim 1, characterized in that: A groove is opened at a center of the second end of the second plug, the first end of the first plug is clamped into the groove, and a bottom of the groove abuts against the first plug.

3. The air cooler nipple-type tube sheet according to claim 2, characterized in that: The second end of the first plug is a first threaded portion, and the first end of the first plug is a non-threaded portion, which is clamped into the groove.

4. The air cooler nipple-type tube sheet according to claim 3, characterized in that: An outer diameter of the first threaded portion is greater than an outer diameter of the non-threaded portion.

5. The air cooler nipple-type tube sheet according to claim 2, characterized in that: An annular groove is opened outside the second end of the second plug, and a sealing ring is arranged in the annular groove.

6. The air cooler nipple-type tube sheet according to claim 1, characterized in that: The second end of the first plug is inversely right-angled outside.

7. The air cooler nipple-type tube sheet according to claim 1, characterized in that: A plug head is arranged at the first end of the second plug.

8. The air cooler nipple-type tube sheet according to claim 1, characterized in that: The second end of the tube box body is communicated with a heat exchange tube, and a position of the heat exchange tube corresponds to the plug hole.

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