CN102322710A

CN102322710A - Connection structure of inlet and outlet pipeline and pipe base of parallel flow type evaporator

Info

Publication number: CN102322710A
Application number: CN201110287262A
Authority: CN
Inventors: 李绒珍
Original assignee: Tianjin Sanden Auto Airconditioning Co Ltd
Current assignee: Tianjin Sanden Auto Airconditioning Co Ltd
Priority date: 2011-09-23
Filing date: 2011-09-23
Publication date: 2012-01-18
Anticipated expiration: 2031-09-23
Also published as: CN102322710B

Abstract

The invention relates to a connection structure of an inlet and outlet pipeline and a pipe base of a parallel flow type evaporator. The connection structure comprises a lateral plate and an end plate. A plurality of first holding claws for tightly holding the outer wall of the pipe base are arranged on the lateral plate. The connection structure is characterized by further comprising a pipe connection gasket which is fixedly riveted with the joint end of a liquid inlet pipe and a gas outlet pipe; the lateral plate is an integrally punched structure; a plurality of second holding claws reverse to the first holding claws are arranged on the lateral plate; the lateral plate is used for tightly holding the pipe connection gasket on the outer end face through the second holding claws; the riveted part among the pipe connection gasket, the liquid inlet pipe and the gas outlet pipe is just aligned with the port of an upper pipe base; and third holding claws for tightly holding the lateral plate and the pipe connection gasket are arranged at two sides of the end plate. By adopting the structure, the liquid inlet pipe and the gas outlet pipe are ensured to be fixedly arranged on the port of the upper pipe base before entering a brazing furnace; the one-time welding and forming process of the evaporator is realized; and, compared with the prior art, the manual welding process is saved, the production period of a product is shortened, the production quality and the production efficiency are increased, simultaneously, the manufacture cost of the product is reduced.

Description

The turnover pipeline of parallel flow evaporators and the syndeton of base

Technical field

The present invention relates to the parallel flow evaporators structure of used for automobile air conditioning, particularly the turnover pipeline of evaporimeter and the syndeton of base.

Background technology

Parallel flow evaporators is the heat-exchange device in the automotive air-conditioning system; Constitute by core body assembly, feed tube and the escape pipe going up base assembly, bottom nozzle assembly and be welded on the base port; It is inner that refrigerant gets into core body through feed tube, in core body in the process of flowing with outside air generation heat exchange, cooled off the air in the car; Being gasified in refrigerant heat absorption back, discharges through escape pipe.At present; The molding mode of above-mentioned parallel flow evaporators is: earlier in soldering oven with the core body assembly, on base assembly and bottom nozzle assembly assembly welding be one, the mode through manual welding is welded on base with the interface end of the interface end of feed tube and escape pipe and is not provided with and holds the front cover end then.Concrete, before getting into soldering oven, the side plate 7 that on the port plug-in mounting of last base, cooperates with the interface end of feed tube and escape pipe, the equal plug-in mounting upper head plate at the relative two ends of upper and lower base is one with side plate, end plate and the weldering of other parts then in soldering oven.Above-mentioned side plate is made up of the inside and outside side plate of mutual fastening; Interior plate 7-1 goes up punching out has the bossing 7-1-1 that is inserted into the base port; Outer panel 7-2 goes up punching out has armful pawl 7-2-1 that holds tightly on last base outer wall; Also punching out has amalgamation to form the semi-circular structure of pipeline plug-in mounting interface 7-3 together on the edge of inside and outside side plate, between plug-in mounting interface and bossing, is shaped on passage 7-4.When manual welding, earlier the interface end of feed tube and escape pipe is partly inserted in the above-mentioned plug-in opening, then feed tube and escape pipe are welded on the side plate, make both respectively with last base assembly in inlet pipe and go out to manage and be communicated with.Above-mentioned parallel-flow evaporator need pass through soldering and manual welding twice welding sequence, and life cycle of the product is longer, yields poorly, and in addition, for guaranteeing the quality of manual welding, the Personnel Skill Levels has relatively high expectations to welding, causes the production of products cost to improve.

Summary of the invention

The present invention provides a kind of simplification welding sequence for solving the technical problem that exists in the known technology, shortens life cycle of the product, guarantees product quality and the turnover pipeline of the parallel flow evaporators that reduces production costs and the syndeton of base.

The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is:

A kind of turnover pipeline of parallel flow evaporators and the syndeton of base; Comprise the side plate that is inserted into the base port and be connected in the end plate of upper and lower base near port; The part that said side plate exposes to the base port is shaped on several first armful of pawl of holding tightly on the base outer wall; It is characterized in that: also comprise and the fixing adapter pad that is connected of riveted of the interface end of feed tube and escape pipe; Said side plate is the integrated punching structure, on side plate, is shaped on and first armful of several second armful of pawl that pawl is reverse, and said side plate will be taken over pad through second armful of pawl and hold tightly on its outer face; Said adapter pad and the position that feed tube is connected with the escape pipe riveted align the port of base; The both sides of said end plate are shaped on holds side plate and the 3rd armful of pawl taking over pad tightly.

The technical scheme that the present invention can also take is:

Said side plate all is shaped on and the 3rd armful of locating notch that pawl cooperates with the both sides of taking over pad.

Said second armful of pawl is distributed on four limits, upper and lower, left and right of side plate.

Be provided with location structure between said adapter pad and the side plate.

Said location structure comprises that the boss that is located on the side plate outer face rises and be located to take on the pad and works the jack that matches with said boss.

Advantage and good effect that the present invention has are:

Adopt above-mentioned by side plate, take over pad and be located at the 3rd armful of syndeton that pawl constitutes on the end plate; Guarantee before getting into soldering oven feed tube and escape pipe are packed in the port of base, realized a welding fabrication of evaporimeter, compare and prior art; Saved the manual welding operation; Shorten the production cycle of product, improved product quality and production efficiency, reduced the production of products cost simultaneously.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation that pipeline among Fig. 1, adapter pad and side plate connect;

Fig. 3 is the structural representation that pipeline is connected with the adapter pad among Fig. 1;

Fig. 4 is the enlarged diagram of Fig. 1 latus inframedium;

Fig. 5 is the structural representation of prior art latus inframedium;

Fig. 6 is the structural representation of interior plate among Fig. 5;

Fig. 7 is the structural representation of outer panel among Fig. 5.

Among the figure: 1, side plate; 1-1, first armful of pawl; 1-2, second armful of pawl; 2, end plate; 2-1, the 3rd armful of pawl; 3, take over pad; 4, locating notch; 5, feed tube; 6, escape pipe; 7, side plate; 7-1, interior plate; 7-1-1, bossing; 7-2, outer panel; 7-2-1, armful pawl; 7-3, pipeline plug-in mounting interface; 7-4, passage.

The specific embodiment

For further understanding summary of the invention of the present invention, characteristics and effect, the following examples of giving an example now, and conjunction with figs. specifies as follows:

See also Fig. 1-4; A kind of turnover pipeline of parallel flow evaporators and the syndeton of base; Comprise the side plate 1 that is inserted into the base port and be connected in the end plate 2 of upper and lower base near port, the part that said side plate exposes to the base port is shaped on several the first armful of pawl 1-1 that holds tightly on the base outer wall, and said syndeton also comprises and the fixing adapter pad 3 that is connected of riveted of the interface end of feed tube 5 and escape pipe 6; Concrete; Be shaped on the through hole that matches with the interface end of the interface end of feed tube and escape pipe on the pad respectively taking over, interface end is inserted in the through hole, bring in through the tensioner interface and realize that above-mentioned pipeline is connected with the fixedly riveted of adapter pad; Said side plate is the integrated punching structure; Be shaped on the said side plate and first armful of several second armful of pawl 1-2 that pawl is reverse; Concrete, in punching out on the side plate left and right two bossings that are inserted into the base port being arranged, above-mentioned first armful of pawl and second armful of pawl vertical distribution are on the edge of side plate matrix; Said side plate will be taken over pad through second armful of pawl and hold tightly on its outer face; Concrete; The adapter pad of riveted joint being gone up feed tube and escape pipe is with after the end face of side plate aligns; Through the upper semisection of second armful of pawl of bending, this part is pressed together on the outer face of taking over pad, just can be with taking over spacers on side plate; Said adapter pad and the position that feed tube is connected with the escape pipe riveted align the port of base, and concrete, the inlet pipe port of the interface end of feed tube and last base aligns, and the pipe port that goes out of the interface end of escape pipe and last base aligns; The both sides of said end plate are shaped on holds side plate and the 3rd armful of pawl 2-1 that takes over pad tightly.

The port connection stability that above-mentioned the 3rd armful of pawl improved side plate, taken over pad and two pipelines and last base; This armful pawl can directly be held tightly on the side of side plate and adapter pad; For reducing side plate and last base port plug-in mounting mating part along the active force between the upper and lower base direction, avoid side plate and adapter pad that little moving taken place in the direction, and then the product quality after the influence welding; Can further all make with the both sides of taking over pad and be provided with and the 3rd armful of locating notch that pawl cooperates 4 at side plate; The 3rd armful of pawl is inserted in this breach, works the effect of holding tightly on the one hand, the aspect plays a supportive role in addition.

For guaranteeing that the whole end face of taking over pad is adjacent on the outer face of side plate, guarantee simultaneously to take over fastness and the stability that pad is connected with side plate, said second armful of pawl is preferably distributed on four limits, upper and lower, left and right of side plate.

Above-mentioned side plate is the plane with the end face that the adapter pad contacts; Take over for improving the positioning accuracy of pad on side plate, but between is provided with location structure, the position that this location structure should be connected with adapter pad riveted away from two pipelines; Consider that the thickness of body portion is less on the side plate; Consider that from the angle of being convenient to processing and fabricating above-mentioned location structure is preferably and comprises that the boss that is located on the side plate outer face rises and be located to take on the pad and work the jack that matches with said boss, places in the jack through boss is risen; Can realize taking over the accurate location of pad on side plate, further guarantee the product quality after the welding.Above-mentioned boss rises with jack and does not express in the drawings.

The assembling process of syndeton according to the invention is:

At first the interface end with feed tube and escape pipe rivets together with the adapter pad; Then side plate and adapter pad are pressed together; At last the side plate plug-in mounting is held tightly on the port of last base, simultaneously the 3rd armful of pawl on the end plate is pressed together on the side of side plate and adapter pad.After accomplishing above-mentioned work, just can place soldering oven to weld whole package assembly.

To sum up, the present invention adopts by side plate, takes over pad and be located at the 3rd armful of syndeton that pawl constitutes on the end plate, guarantees before getting into soldering oven feed tube and escape pipe are packed in the port of base; Realized a welding fabrication of evaporimeter; Compare and prior art, saved the manual welding operation, shortened the production cycle of product; Improve product quality and production efficiency, reduced the production of products cost simultaneously.

Claims

1. the turnover pipeline of a parallel flow evaporators and the syndeton of base; Comprise the side plate that is inserted into the base port and be connected in the end plate of upper and lower base near port; The part that said side plate exposes to the base port is shaped on several first armful of pawl of holding tightly on the base outer wall; It is characterized in that: also comprise and the fixing adapter pad that is connected of riveted of the interface end of feed tube and escape pipe; Said side plate is the integrated punching structure, is shaped on the side plate and first armful of several second armful of pawl that pawl is reverse, and said side plate will be taken over pad through second armful of pawl and hold tightly on its outer face; Said adapter pad and the position that feed tube is connected with the escape pipe riveted align the port of base; The both sides of said end plate are shaped on holds side plate and the 3rd armful of pawl taking over pad tightly.

2. according to the turnover pipeline of the said parallel flow evaporators of claim 1 and the syndeton of base, it is characterized in that: said side plate all is shaped on and the 3rd armful of locating notch that pawl cooperates with the both sides of taking over pad.

3. according to the turnover pipeline of the said parallel flow evaporators of claim 1 and the syndeton of base, it is characterized in that: said second armful of pawl is distributed on four limits, upper and lower, left and right of side plate.

4. according to the turnover pipeline of the said parallel flow evaporators of claim 1 and the syndeton of base, it is characterized in that: be provided with location structure between said adapter pad and the side plate.

5. according to the turnover pipeline of the said parallel flow evaporators of claim 4 and the syndeton of base, it is characterized in that: said location structure comprises that the boss that is located on the side plate outer face rises and be located to take on the pad and works the jack that matches with said boss.