CN217477043U - Double-layer parallel flow condenser - Google Patents

Abstract

The utility model discloses a double-deck concurrent flow condenser, including preceding condenser and postcondenser, preceding condenser intercommunication postcondenser, the preceding condenser left and right sides all is provided with backup pad one, the postcondenser left and right sides all is provided with backup pad two, two edges of backup pad have seted up recess one, a backup pad edge is provided with the lug that agrees with mutually with recess one, the lug can stretch into in recess one, still seted up a plurality of fixed orificess on backup pad one and the backup pad two, the lug stretches into in recess one after, two liang of positions of fixed orifices axis on the fixed orifices on the backup pad one and the backup pad two coincide and constitute a pair ofly. The utility model discloses two condensers use detachable structural connection to be in one around, under the stable prerequisite of guaranteeing to connect, improved the economic nature of maintenance.

Description

Double-layer parallel flow condenser

Technical Field

The utility model belongs to the technical field of the condenser technique and specifically relates to a double-deck concurrent flow condenser is related to.

Background

Parallel flow condensers have been used in the automotive industry for many years, and are considered to be one of the most promising heat exchangers due to their advantages of compact structure, light weight, high heat transfer coefficient, low refrigerant charge, and the like. Under normal working conditions, the heat exchange performance of the parallel flow condenser is superior to that of a tube-fin condenser, and the performance of a double-layer parallel flow condenser in the parallel flow condenser is superior to that of a single-layer parallel flow condenser.

The double-layer parallel flow condenser needs to weld a front condenser and a rear condenser together, and the welding process can ensure that even if the front condenser and the rear condenser are shaken in the automobile driving process, the front condenser and the rear condenser cannot fall off and separate, so that the stability is good, but the welding process provides a new test for future maintenance, the condensers are likely to leak and block after being used for a long time, and the maintenance operation is needed, because the front condenser and the rear condenser are welded firmly, a welding gun can be used for repairing the leakage at the outer edge of the double-layer parallel flow condenser, but the leakage point near the middle joint part of the front condenser and the rear condenser cannot be repaired by using the welding gun, at present, the most measures are taken for directly replacing the whole double-layer parallel flow condenser for the leakage condition, and a great amount of waste is caused.

Chinese utility model patent with publication number CN204830592U provides an integral type double-deck parallel flow condenser for passenger train idle call, including double-deck heat transfer system, this double-deck heat transfer system is by controlling two diplopore headers, install the refrigerant entry on one of them diplopore header upper tube, install the refrigerant export on another diplopore header lower floor's pipe, connect the heat transfer flat pipe that two-layer level of two diplopore headers set up, and set up the heat transfer fin constitution on the heat transfer flat pipe, communicate with each other through the conducting hole between the upper pipe of diplopore header and the lower floor's pipe. The utility model adopts the layered heat transfer technology, realizes the effective utilization of the temperature gradient, effectively promotes the heat transfer temperature difference, greatly promotes the heat exchange capacity of the advection condenser, realizes the breakthrough of the heat exchange capacity, and has better pressure resistance than the prior traditional double-D type collector condenser; the integral type welding forming has reduced the processing cost, has filled the market blank. However, when the internal structure of the condenser is maintained, the double-layer parallel flow condenser needs to be separated, and the double-layer parallel flow condenser is welded again after the maintenance is finished, so that great trouble is caused to the maintenance; or the double-layer parallel flow condenser is directly replaced, which is trouble-saving but causes great waste.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at prior art not enough, provide a double-deck concurrent flow condenser, two condensers use detachable structural connection to be in one around with, under the stable prerequisite of guaranteeing to connect, improved the economic nature of maintenance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a double-deck concurrent flow condenser, including preceding condenser and postcondenser, preceding condenser intercommunication postcondenser, the preceding condenser left and right sides all is provided with backup pad one, the postcondenser left and right sides all is provided with backup pad two, two edges of backup pad have seted up recess one, backup pad edge is provided with the lug that agrees with mutually with recess one, the lug can stretch into in the recess one, a plurality of fixed orificess have still been seted up on backup pad one and the backup pad two, the lug stretches into recess one interior back, the coincidence of two liang of positions of fixed orifices on the backup pad one and the fixed orifices axis on the backup pad two is and is constituteed a pair ofly.

Furthermore, the convex block is arranged on the side face of the first support plate, and a gap with the same thickness as the second support plate is reserved between the convex block and the first support plate.

Furthermore, a second groove is formed in the position, opposite to the convex block, of the first supporting plate.

Furthermore, two pairs of fixing holes are formed in the first supporting plate and the second supporting plate and are respectively arranged on the upper side and the lower side of the first supporting plate and the second supporting plate.

Furthermore, the first groove and the lug are both of cuboid structures.

Further, the fixing hole is a threaded hole.

The beneficial effects of the utility model are that:

1. the utility model discloses the condenser left and right sides all sets up backup pad one in the front, and the back condenser left and right sides all sets up backup pad two for two condensers around supporting and connecting, set up the removal in location and restriction upper and lower position between two condensers of recess one and lug complex structure realization on backup pad one and backup pad two, guarantee can not appear rocking phenomenon from top to bottom because of jolting at the car in-process of marcing. And after the convex block extends into the first groove, bolts penetrate through two pairs of fixing holes in the first supporting plate and the second supporting plate to be fixed. Only use the bolt to fix, in daily use, the bolt can appear becoming flexible, leads to the condenser to appear rocking, and the phenomenon that collides with and reveals very easily leads to appearing in rocking, consequently most producers all select to adopt welded form at present, the utility model discloses a lug and recess one, two kinds of fixed spacing modes of bolt and fixed orifices have guaranteed that the phenomenon that can not appear becoming flexible and rocking in the use.

2. The lug of the utility model is arranged on the side surface of the first support plate, a gap with the same thickness as the second support plate is reserved between the lug and the first support plate, when the lug extends into the groove, the second support plate is clamped into the gap reserved between the lug and the first support plate, the fixing and limiting functions of the left and right two directions are further realized, and the cooperation of the lug and the first groove limits the six directions to only two movable directions in the front and the back; the front and the rear directions are limited by the bolts, so that the shearing stress born by the bolts is reduced, and the service life is prolonged. After the lug and the first groove are matched together, in order to prevent rusting or too tight clamping, the lug and the first groove are not easy to separate during maintenance, a second groove is formed in the position, opposite to the lug, of the first support plate, and tools such as a crow bar can extend into the matching surface of the lug and the first groove through the second groove to pry the lug and the first groove apart. The two pairs of fixing holes are respectively arranged on the upper side and the lower side of the first supporting plate and the second supporting plate, and the two pairs of fixing holes are symmetrically arranged to prevent the phenomenon of local stress concentration. The first groove and the first lug are of cuboid structures, can bear certain torque and improve use strength.

Drawings

Fig. 1 is a schematic structural view of a double-layer parallel flow condenser of the present invention;

fig. 2 is a schematic structural view of the first support plate and the second support plate of the present invention.

In the figure: 1-front condenser, 2-rear condenser, 3-support plate I, 301-convex block, 302-groove II, 4-support plate II, 401-groove I, 5-fixing hole, 6-air inlet, 7-air outlet and 8-collecting pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. 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.

Referring to fig. 1 and 2, the utility model provides a double-deck parallel flow condenser, including preceding condenser 1 and postcondenser 2, 1 tops of preceding condenser set up air inlet 6, 2 below settings gas outlet 7 of postcondenser, preceding condenser 1 uses pipeline intercommunication postcondenser 2, it gets into from air inlet 6 to have thermal steam, through the flat pipe of 1 inside of preceding condenser before 8 upper segments of the pressure manifold of preceding condenser reachs, reachd the flat pipe of 2 inside of postcondenser through 8 upper segments of the pressure manifold of pipeline and postcondenser 2 again, distribute away the heat after, 7 discharges from the gas outlet of postcondenser 2 below.

In order to support double-deck parallel flow condenser's overall structure, the 1 left and right sides of preceding condenser all is provided with backup pad one 3, the 2 left and right sides of back condenser all are provided with backup pad two 4, be used for supporting and connecting two condensers around with, backup pad two 4 edges are seted up flutedly 401, 3 edges of backup pad are provided with lug 301 that agree with flutedly 401 mutually, lug 301 can stretch into in the flutedly 401, the removal in position about realizing the location between two condensers around with the restriction, guarantee can not appear rocking phenomenon from top to bottom because of jolting at the car in-process of marcing.

Two pairs of fixing holes 5 are further formed in the first supporting plate 3 and the second supporting plate 4 and are respectively arranged on the upper side and the lower side of the first supporting plate 3 and the second supporting plate 4, and the stress concentration phenomenon on the local parts of the first supporting plate and the second supporting plate can be prevented due to the symmetrical arrangement. After the lug 301 stretches into the first groove 401, the two pairwise positions of the axes of the fixing hole 5 on the first supporting plate 3 and the fixing hole 5 on the second supporting plate 4 are coincided and form a pair, the bolt penetrates through the two pairs of fixing holes 5 on the first supporting plate 3 and the second supporting plate 4 to be fixed, the fixing hole 5 is a threaded hole, certain friction force is provided by the bolt screwed in the fixing hole 5, and the stability of the structure is improved. Only use the bolt to fix the words, in daily use, the bolt can appear becoming flexible, leads to the condenser to appear rocking, very easily leads to appearing colliding with and the phenomenon of revealing rocking in rocking, consequently most producers all select to adopt welded form at present, the utility model discloses a lug 301 and recess 401, the phenomenon that becomes flexible and rock can not appear in the use has been guaranteed to bolt and 5 two kinds of fixed spacing modes of fixed orifices, has also guaranteed the economic nature of maintenance.

The bump 301 is arranged on the side face of the first support plate 3, a gap with the same thickness as the second support plate 4 is reserved between the bump 301 and the first support plate 3, when the bump 301 extends into the first groove 401, the second support plate 4 is clamped into the gap reserved between the bump 301 and the first support plate 3, the fixing and limiting effects of the left direction and the right direction are further realized, and the bump 301 is matched with the first groove 401 to limit six directions to only two movable directions which are reserved; the front and the rear directions are limited by the bolts, so that the shearing stress borne by the bolts is reduced, and the service life is prolonged. After the first projection 301 and the first groove 401 are matched together, in order to prevent rusting or too tight clamping, the first support plate 3 is not easy to separate during maintenance, a second groove 302 is arranged at the position opposite to the first projection 301, and tools such as a crow bar can be used for extending into the matching surface of the first projection 301 and the first groove 401 through the second groove 302 to pry the first projection and the first groove. The first groove 401 and the lug 301 are both of cuboid structures, can bear certain torque, and improve use strength.

The utility model discloses a theory of operation as follows:

during installation, the convex block 301 extends into the first groove 401, the second support plate 4 is clamped into a gap reserved between the convex block 301 and the first support plate 3, at the moment, the two positions of the axes of the fixing hole 5 on the first support plate 3 and the fixing hole 5 on the second support plate 4 are overlapped and form a pair, and bolts are screwed into the two pairs of fixing holes 5 on the first support plate 3 and the second support plate 4 to fix the two pairs of fixing holes.

When the maintenance is dismantled, take out the bolt, then use the fitting surface that instruments such as crow bar stretched into lug 301 and recess 401 through recess two 302, prize it open, repair the leak point between preceding condenser 1 and the postcondenser 2, repair the completion after, install again and just can continue to come into service, can not destroy double-deck parallel flow condenser's overall structure stability in the maintenance process, can not cause extra waste yet.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. A double-layer parallel flow condenser comprises a front condenser (1) and a rear condenser (2), wherein the front condenser (1) is communicated with the rear condenser (2), and is characterized in that: preceding condenser (1) left and right sides all is provided with backup pad (3), the postcondenser (2) left and right sides all is provided with backup pad two (4), backup pad two (4) edge has seted up recess one (401), backup pad one (3) edge be provided with lug (301) that recess one (401) agreed with mutually, lug (301) can stretch into in recess one (401), backup pad one (3) with a plurality of fixed orificess (5) have still been seted up on backup pad two (4), lug (301) stretch into back in recess one (401), fixed orifices (5) on backup pad one (3) with two liang of position coincidence of fixed orifices (5) axis on backup pad two (4) constitute a pair ofly.

2. The double-layer parallel flow condenser of claim 1, wherein: the convex block (301) is arranged on the side face of the first support plate (3), and a gap with the same thickness as that of the second support plate (4) is reserved between the convex block (301) and the first support plate (3).

3. The double-layer parallel flow condenser of claim 2, wherein: and a second groove (302) is formed in the position, opposite to the convex block (301), of the first support plate (3).

4. The double-layer parallel flow condenser of claim 1, wherein: the two pairs of fixing holes (5) are respectively formed in the upper side and the lower side of the first supporting plate (3) and the second supporting plate (4).

5. The double-layer parallel flow condenser of claim 1, wherein: the first groove (401) and the lug (301) are both of cuboid structures.

6. The double-layer parallel flow condenser of claim 1, wherein: the fixing hole (5) is a threaded hole.

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