Novel air-cooled condenser

Abstract

The utility model discloses a novel air-cooled condenser, which relates to the technical field of air-cooled condensers, and is characterized in that a butt-joint flaring ring head is sleeved on the outer side of the end part of a straight pipe and is matched with a compensation elastic ring to seal the inner side of the joint, so that the effect that the straight pipe and a bent pipe can be disassembled and assembled is achieved. Therefore, the snakelike condensation pipe can be assembled and disassembled in a segmented mode, when a certain segment of condensation pipe is damaged, only the segment of condensation pipe needs to be replaced, the lossless condensation pipe can be obtained, maintenance operation is easy and fast, meanwhile, the whole snakelike condensation pipe does not need to be replaced, and the purpose of reducing the maintenance cost of the condensation pipe is achieved. Meanwhile, the sealing effect between the straight pipe and the bent pipe which are assembled is better; in addition, due to the arrangement of the opposite-pull connecting assembly, sealing fit of the flexible sealing ring and the sealing groove can be more stable and effective under the internal and external temperature difference environment with thermal expansion and cold contraction, and the overall sealing performance and the sealing reliability after the snake-shaped condensation pipe is assembled are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air -cooled condenser technical field, especially in a kind of novel air -cooled condenser. BACKGROUND

[0002] Condenser is the machine of refrigeration system, belongs to one kind of heat exchanger, can be converted into liquid by gas or vapor, the heat in pipe is transferred to the air in the pipe with very fast way.

[0003] The condensers on the market are various, but they all have the defect of inconvenient maintenance. The existing condensers are mostly welded integrally, and the condensing pipe, the heat dissipation fin and the mounting seat are welded together. If one of the three has a fault, it is very troublesome to disassemble, or the entire maintenance is needed, which makes the maintenance process very inconvenient.

[0004] To solve the above problems, the patent file with publication number "CN217442010U" discloses a kind of novel air -cooled condenser, including mounting plate and external pipe, the mounting plate one side is fixedly connected with lug, the lug outer surface is slidably connected with rectangle sleeve, the rectangle sleeve one side is installed with fixing device, the fixing device inner cavity is installed with condensing pipe body, the condensing pipe body outer surface is fixedly connected with limit peg, the condensing pipe body one end is installed with connecting device, the external pipe outer surface is installed with locking device, the utility model relates to condenser technical field. The novel air -cooled condenser solves the problem that the traditional condenser is mostly welded integrally and inconvenient to disassemble.

[0005] Based on the above search, combined with the prior art, it is found that the existing air -cooled condenser is basically an integral or welded integral serpentine pipe, but when the condensing pipe is damaged (such as bending, cracking), a straight pipe or elbow pipe is usually damaged, and if cutting, replacing, welding and other repair methods are used to repair the damaged pipe section, the maintenance work is large and the maintenance time is long, and the repaired part is also easy to be damaged again due to the quality problem of welding and welding in the subsequent use process, so the general method is not used for maintenance; The undamaged pipe section is replaced, which leads to the increase of equipment maintenance cost, so a new type of air -cooled condenser is needed. UTILITY MODEL CONTENTS

[0006] The purpose of the present application is to provide a new type of air -cooled condenser to solve the problems raised in the background art.

[0007] To achieve the above purpose, the present application provides the following technical scheme: a kind of novel air -cooled condenser, including serpentine condensing pipe, condensing pipe is composed of multiple straight pipes and elbow pipes connected in sequence.

[0008] The straight pipe end is fixed with a compensation elastic ring;

[0009] The elbow pipe end is integrally formed with a butt flared ring head with an inner diameter consistent with the outer diameter of the straight pipe, and a ring-shaped sealing groove is formed in the inner wall of the butt flared ring head;

[0010] A flexible sealing ring is movably embedded in the sealing groove, and the flexible sealing ring is sleeved on the outside of the straight pipe;

[0011] The compensation elastic ring fills the gap between the inside of the butt flared ring head and the end of the straight pipe.

[0012] The outside of the straight pipe and the outside of the butt flared ring head are jointly installed with a pull connection assembly, which is used for detachable connection of the butt flared ring head and the straight pipe, and is also used for abutting the flexible sealing ring into the sealing groove.

[0013] Preferably, the inside wall of the butt flared ring head is also provided with a constricting notch for the flexible sealing ring to enter the sealing groove, and the outer diameter of the constricting notch is smaller than the outer diameter of the flexible sealing ring.

[0014] The side of the flexible sealing ring away from the elbow pipe is integrally formed with a caulking ring adapted to the constricting notch, and the outside wall of the caulking ring is in interference fit with the side wall of the constricting notch.

[0015] Preferably, the pull connection assembly includes a first connecting ring and a second connecting ring in clamping fit, the first connecting ring is fixedly sleeved on the outside of the butt flared ring head, the second connecting ring is fixedly sleeved on the outside of the straight pipe, and the side wall of the second connecting ring close to the elbow pipe abuts against the end face of the butt flared ring head and the side wall of the first connecting ring.

[0016] The second connecting ring close to the elbow pipe is provided with a ring-shaped mounting groove;

[0017] A top ring is slidably embedded in the mounting groove, one side of the top ring is fixed to the side of the caulking ring away from the flexible sealing ring, and the end of the top ring away from the caulking ring is elastically connected to the inside wall of the mounting groove through an elastic member.

[0018] Preferably, the elastic member includes a compression spring, one end of the compression spring is fixed to the side of the top ring away from the caulking ring, and the other end of the compression spring is fixed to the inside wall of the mounting groove away from the elbow pipe.

[0019] When the compression spring is fully stretched, the side of the top ring away from the compression spring protrudes out of the mounting groove, and the side of the top ring close to the compression spring is located in the mounting groove.

[0020] Preferably, the side of the first connecting ring close to the second connecting ring is integrally formed with a rotating clamping block with an L-shaped cross section.

[0021] The side of the second connecting ring close to the first connecting ring is provided with a rotating clamping groove, and the cross section of the rotating clamping groove is L-shaped and adapted to the cross section of the rotating clamping block.

[0022] The extension path of the rotating clamping groove is an arc shape coaxially arranged with the straight pipe.

[0023] Preferably, the rotating clamping groove is arranged on the outer side of the mounting groove away from the axis of the straight pipe, and the mounting groove is arranged on the inner side of the second connecting ring close to the straight pipe.

[0024] In summary, the technical effects and advantages of the utility model are as follows:

[0025] 1. In the utility model, the butt joint flared ring head is sleeved on the outer side of the end of the straight pipe, and the inner side of the connecting part is sealed by cooperating with the compensation elastic ring, so that the straight pipe and the elbow pipe can be detachable and assembled, so that the serpentine condenser pipe can be assembled and disassembled in sections, and when a section of the condenser pipe is damaged, the damaged section of the condenser pipe can be replaced to obtain a non-damaged condenser pipe, and the maintenance operation is simple and fast, and the whole serpentine condenser pipe does not need to be replaced, so that the purpose of reducing the maintenance cost of the condenser pipe is achieved.

[0026] Meanwhile, the cooperation of the flexible sealing ring and the sealing groove after assembly can form a second sealing part between the butt joint flared ring head end of the elbow pipe and the outer side of the straight pipe, so that the sealing effect between the assembled straight pipe and the elbow pipe is better, and the probability of internal condensate leakage or external environmental pollution is further reduced.

[0027] In addition, the setting of the pull connection assembly makes the connection between the outer side of the straight pipe and the butt joint flared ring head more stable, and also enables the flexible sealing ring to be tightly pressed into the sealing groove, so that the sealing cooperation of the flexible sealing ring and the sealing groove is more stable and effective in the environment of thermal expansion and cold contraction, and the overall sealing performance and reliability of the assembled serpentine condenser pipe are improved.

[0028] 2. In the utility model, when the first connecting ring and the second connecting ring are clamped and cooperated, the top ring has a tendency to move to the side of the second connecting ring under the elastic force of the compression spring, so that the flexible sealing ring always has a tendency to move and deform into the sealing groove, so that the flexible sealing ring always maintains good sealing cooperation with the sealing groove in the environment of thermal expansion and cold contraction, and the effect of completely adapting to sealing in different states during use of the condenser pipe is achieved. DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating any creative labor.

[0030] Figure 1 It is a three-dimensional structure schematic diagram in the embodiment.

[0031] Figure 2 is a sectional view of the connection between the straight pipe and the elbow pipe in the embodiment;

[0032] Figure 3 is a sectional view of the connection between the straight pipe and the elbow pipe in the embodiment Figure 2 is an enlarged view of the structure at A in the embodiment;

[0033] Figure 4 is a structural schematic view of the first connecting ring and the second connecting ring in the embodiment.

[0034] In the figure: 1, straight pipe; 2, elbow pipe; 21, butt flared ring head; 211, sealing groove; 212, converging notch; 3, pull connection assembly; 31, first connecting ring; 311, rotating clamping block; 32, second connecting ring; 321, rotating clamping groove; 322, mounting groove; 4, compensating elastic ring; 5, flexible sealing ring; 51, caulking ring; 6, top ring; 7, compression spring. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0036] Embodiment: refer to Figures 1-4 A novel air-cooled condenser shown in the figure, comprising a serpentine condensing pipe, the condensing pipe is composed of a plurality of straight pipes 1 and elbow pipes 2 connected in sequence;

[0037] The straight pipe 1 is fixed with a compensating elastic ring 4 at the end;

[0038] The elbow pipe 2 is integrally formed with a butt flared ring head 21 with the same inner diameter as the outer diameter of the straight pipe 1 at the end, and the inner wall of the butt flared ring head 21 is provided with a ring-shaped sealing groove 211;

[0039] A flexible sealing ring 5 is movably embedded in the sealing groove 211, and the flexible sealing ring 5 is sleeved on the outer side of the straight pipe 1;

[0040] The compensating elastic ring 4 fills the gap between the inner side of the butt flared ring head 21 and the end of the straight pipe 1;

[0041] The outer side of the straight pipe 1 and the outer side of the butt flared ring head 21 are jointly provided with a pull connection assembly 3, which is used for detachably connecting the butt flared ring head 21 and the straight pipe 1, and the pull connection assembly 3 is also used for abutting the flexible sealing ring 5 to the sealing groove 211.

[0042] Based on the above structure, by sleeving the butt flared ring head 21 outside the end of the straight pipe 1, and cooperating with the compensation elastic ring 4 to form a seal on the inside of the connection, the detachable and assemblable effect of the straight pipe 1 and the elbow pipe 2 is achieved, so that the serpentine condenser pipe can be assembled and disassembled in sections, and when a section of the condenser pipe is damaged, only the damaged section needs to be replaced to obtain a non-damaged condenser pipe, which is simple and convenient to maintain, and the entire serpentine condenser pipe does not need to be replaced, thereby reducing the maintenance cost of the condenser pipe;

[0043] At the same time, the cooperation of the flexible sealing ring 5 and the sealing groove 211 after assembly can form a second sealing part between the butt flared ring head 21 end of the elbow pipe 2 and the outside of the straight pipe 1, so that the sealing effect between the assembled straight pipe 1 and the elbow pipe 2 is better, further reducing the probability of internal condensate leakage or external environmental pollution (pollutants entering the condenser pipe);

[0044] In addition, the setting of the pull connection assembly 3 makes the connection between the outside of the straight pipe 1 and the butt flared ring head 21 (i.e. the elbow pipe 2) more stable, and also enables the flexible sealing ring 5 to be tightly pressed into the sealing groove 211, so that the sealing cooperation of the flexible sealing ring 5 and the sealing groove 211 is more stable and effective in the environment of thermal expansion and cold contraction, improving the overall sealing performance and reliability of the assembled serpentine condenser pipe.

[0045] It should be noted that the new air-cooled condenser also includes mounting plates, external pipes, protrusions, rectangular sleeves, fixing devices and other elements, and the specific composition structure and refrigeration work can refer to the technical solution described in the prior art (patent document with publication number "CN217442010U").

[0046] Further, the inner wall of the butt flared ring head 21 is also provided with a converging gap 212 for the flexible sealing ring 5 to enter the sealing groove 211, and the outer diameter of the converging gap 212 is smaller than the outer diameter of the flexible sealing ring 5;

[0047] The side of the flexible sealing ring 5 away from the elbow pipe 2 is integrally formed with a caulking ring 51 adapted to the converging gap 212, and the outer wall of the caulking ring 51 is in interference fit with the side wall of the converging gap 212;

[0048] Through the setting of the converging gap 212, the flexible sealing ring 5 can enter the sealing groove 211 when the elbow pipe 2 is sleeved with the straight pipe 1, and further through the setting of the caulking ring 51, the converging gap 212 is also sealed after assembly, ensuring the effectiveness of the sealing, and at the same time avoiding leaving a gap between the inside of the butt flared ring head 21 and the outside of the straight pipe 1, which can cause external dust to enter and cause blockage or pollution, and adversely affect subsequent disassembly and maintenance operations.

[0049] Further, the pull connection assembly 3 comprises a first connecting ring 31 and a second connecting ring 32 in clamping cooperation, the first connecting ring 31 is fixedly sleeved outside the butt flared ring head 21, the second connecting ring 32 is fixedly sleeved outside the straight pipe 1, and the second connecting ring 32 is in abutment with the end surface of the butt flared ring head 21 and the side wall of the first connecting ring 31 close to one side of the elbow pipe 2;

[0050] The second connecting ring 32 close to the elbow pipe 2 is provided with an annular mounting groove 322;

[0051] The mounting groove 322 is slidably embedded with a top ring 6, one side of the top ring 6 is fixed away from one side of the caulking ring 51, and the end of the top ring 6 away from the caulking ring 51 is elastically connected to the inner side wall of the mounting groove 322 through an elastic member.

[0052] The elastic member comprises a compression spring 7, one end of the compression spring 7 is fixed to one side of the top ring 6 away from the caulking ring 51, and the other end of the compression spring 7 is fixed to the inner side wall of the mounting groove 322 away from one side of the elbow pipe 2;

[0053] When the compression spring 7 is fully stretched, one side of the top ring 6 away from the compression spring 7 protrudes out of the mounting groove 322, and one side of the top ring 6 close to the compression spring 7 is located in the mounting groove 322.

[0054] Through the setting of the top ring 6 and the compression spring 7, when the first connecting ring 31 and the second connecting ring 32 are clamped and cooperated, the top ring 6 has a tendency to move to one side of the second connecting ring 32 under the elastic force of the compression spring 7, so that the flexible sealing ring 5 (including the caulking ring 51) always has a tendency to move and deform into the sealing groove 211 (and the converging notch 212), so that the flexible sealing ring 5 always maintains good sealing cooperation with the sealing groove 211 in the environment of thermal expansion and cold contraction, and achieves the effect of completely adapting to sealing in different states during use of the condensing pipe.

[0055] Further, one side of the first connecting ring 31 close to the second connecting ring 32 is integrally formed with a rotating clamping block 311 in L-shaped cross section;

[0056] One side of the second connecting ring 32 close to the first connecting ring 31 is provided with a rotating clamping groove 321, and the cross section of the rotating clamping groove 321 is in L-shaped adaptation with the cross section of the rotating clamping block 311;

[0057] The extension path of the rotating clamping groove 321 is an arc shape coaxially arranged with the straight pipe 1.

[0058] The rotating clamping groove 321 is arranged on the outside of the mounting groove 322 away from the axis of the straight pipe 1, and the mounting groove 322 is located on the inside of the second connecting ring 32 close to the straight pipe 1.

[0059] By rotating the clamping block 311 and the rotating clamping groove 321, when it is necessary to be fixed and connected through the first connecting ring 31 and the second connecting ring 32, only need to insert the rotating clamping block 311 into one end of the rotating clamping groove 321, rotate the first connecting ring 31 or the second connecting ring 32, so that the wide section of the rotating clamping block 311 enters the inside of the opening of the rotating clamping groove 321, that is, the rotating clamping block 311 and the rotating clamping groove 321 are clamped and matched, the purpose of clamping the first connecting ring 31 and the second connecting ring 32 is achieved, and finally the effect of detachably connecting the butt joint flared ring head 21 and the straight pipe 1 by using the tension connection assembly 3 and tightly pressing the flexible sealing ring 5 into the sealing groove 211 is realized.

[0060] The working principle of the utility model is: in the daily use process, first, the butt joint flared ring head 21 is sleeved on the end of the straight pipe 1, and when sleeving, the rotating clamping block 311 is inserted into one end of the rotating clamping groove 321, then the first connecting ring 31 or the second connecting ring 32 is rotated, so that the wide section of the rotating clamping block 311 enters the inside of the opening of the rotating clamping groove 321, that is, the rotating clamping block 311 and the rotating clamping groove 321 are clamped and matched, the purpose of clamping the first connecting ring 31 and the second connecting ring 32 is achieved, the operation of assembling one straight pipe 1 and one elbow pipe 2 is completed, and a plurality of straight pipes 1 and a plurality of elbow pipes 2 are sequentially assembled by repeating the above steps, that is, the assembly operation of the serpentine condenser pipe is completed.

[0061] After assembly, the compensation elastic ring 4 forms a seal on the inside of the connection, so that the straight pipe 1 and the elbow pipe 2 are detachable and can be assembled, so that the serpentine condenser pipe can be assembled and disassembled in sections, when a section of the condenser pipe is damaged, only the section of the condenser pipe needs to be replaced, so that the condenser pipe is not damaged, the maintenance operation is simple and fast, and the entire serpentine condenser pipe does not need to be replaced, so that the maintenance cost of the condenser pipe is reduced.

[0062] Meanwhile, the cooperation of the flexible sealing ring 5 and the sealing groove 211 after assembly can form a second sealing part between the butt joint flared ring head 21 end of the elbow pipe 2 and the outside of the straight pipe 1, so that the sealing effect between the assembled straight pipe 1 and the elbow pipe 2 is better, and the probability of internal condensate leakage or external environmental pollution is further reduced.

[0063] In addition, the setting of the tension connection assembly 3 makes the connection of the straight pipe 1 outside and the butt joint flared ring head 21 more stable, and can tightly press the flexible sealing ring 5 into the sealing groove 211, so that the sealing cooperation of the flexible sealing ring 5 and the sealing groove 211 is more stable and effective in the internal and external temperature difference environment of thermal expansion and cold contraction, and the overall sealing performance and reliability of the assembled serpentine condenser pipe are improved.

[0064] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A novel air-cooled condenser, comprising a serpentine condenser tube, wherein the condenser tube is composed of a plurality of straight tubes (1) and curved tubes (2) connected in sequence at the ends, characterized in that: A compensating elastic ring (4) is fixed to the end of the straight tube (1); The end of the curved pipe (2) is integrally formed with a butt-expanding ring head (21) whose inner diameter is consistent with the outer diameter of the straight pipe (1), and an annular sealing groove (211) is formed on the inner wall of the butt-expanding ring head (21); A flexible sealing ring (5) is movably embedded in the sealing groove (211), and the flexible sealing ring (5) is sleeved on the outside of the straight tube (1); Wherein, the compensating elastic ring (4) fills the gap between the inner side of the butt-jointed flared ring head (21) and the end of the straight pipe (1); A pull-to-pull connection assembly (3) is installed on the outside of the straight pipe (1) and the outside of the butt-joint flared ring head (21). The pull-to-pull connection assembly (3) is used to detachably connect the butt-joint flared ring head (21) and the straight pipe (1). The pull-to-pull connection assembly (3) is also used to press the flexible sealing ring (5) into the sealing groove (211).

2. A novel air-cooled condenser according to claim 1, characterized in that: The inner side wall of the butt-expanding ring head (21) is further provided with a convergence notch (212) for the flexible sealing ring (5) to enter the sealing groove (211), and the outer diameter of the convergence notch (212) is smaller than the outer diameter of the flexible sealing ring (5); A caulking ring (51) adapted to the convergence notch (212) is integrally formed on the side of the flexible sealing ring (5) away from the elbow (2), and the outer side wall of the caulking ring (51) is interference-fitted with the side wall of the convergence notch (212).

3. A novel air-cooled condenser according to claim 2, characterized in that: The pull-to-pull connection assembly (3) comprises a first connecting ring (31) and a second connecting ring (32) that are snap-fitted together, wherein the first connecting ring (31) is fixedly sleeved on the outside of the butt-jointed flaring ring head (21), and the second connecting ring (32) is fixedly sleeved on the outside of the straight pipe (1), and the side wall of the second connecting ring (32) close to the side of the curved pipe (2) abuts against the end face of the butt-jointed flaring ring head (21) and the side wall of the first connecting ring (31); The second connecting ring (32) is provided with an annular mounting groove (322) near the elbow (2); A top ring (6) is slidably embedded in the installation groove (322), one side of the top ring (6) is fixed to the side of the caulking ring (51) away from the flexible sealing ring (5), and the end of the top ring (6) away from the caulking ring (51) is elastically connected to the inner wall of the installation groove (322) through an elastic member.

4. A novel air-cooled condenser according to claim 3, characterized in that: The elastic member comprises a compression spring (7), one end of the compression spring (7) is fixed to a side of the top ring (6) away from the caulking ring (51), and the other end of the compression spring (7) is fixed to an inner side wall of the mounting groove (322) away from the elbow (2); When the compression spring (7) is fully extended, the side of the top ring (6) away from the compression spring (7) extends out of the mounting groove (322), and the side of the top ring (6) close to the compression spring (7) is located in the mounting groove (322).

5. The novel air-cooled condenser according to claim 3 is characterized in that: A rotating clamping block (311) with an L-shaped cross section is integrally formed on one side of the first connecting ring (31) close to the second connecting ring (32); A rotation slot (321) is provided on one side of the second connection ring (32) close to the first connection ring (31), and the cross section of the rotation slot (321) is L-shaped and matches the cross section of the rotation block (311); The extension path of the rotating slot (321) is an arc arranged coaxially with the straight tube (1).

6. The novel air-cooled condenser according to claim 5, characterized in that: The rotating clamping groove (321) is opened on the outside of the installation groove (322) away from the axis of the straight pipe (1), and the installation groove (322) is located on the inside of the cross section of the second connecting ring (32) close to the straight pipe (1).

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