CN215719076U - Plate type oil cooler - Google Patents

Abstract

The utility model discloses a plate type oil cooler, which relates to the technical field of heat exchange and comprises a shell arranged outside a compressor, wherein a plurality of heat exchange plates are arranged in the shell, oil cavities are arranged in the heat exchange plates, oil conveying pipes communicated with the oil cavities are arranged on the heat exchange plates, the oil conveying pipes are communicated with the oil cavities of the next heat exchange plate, a space for conveying a cooling medium is formed between every two adjacent heat exchange plates, a plurality of convex parts are arranged on each heat exchange plate to increase the contact area between the oil cavities and the cooling medium, positioning grooves are formed between every two adjacent convex parts, a liquid inlet pipe, an oil inlet and an oil outlet are connected to the shell, the water inlet and the water outlet of the liquid inlet pipe are arranged on the outer side of the shell, the liquid inlet pipe penetrates into the shell and sequentially penetrates through the positioning grooves, and the input end of the liquid inlet pipe is connected with a self-sucking pump for increasing the circulation flow rate of the medium. The utility model can improve the heat exchange area and the structural strength of the heat exchange surface, avoid the deformation of the heat exchange plate due to extrusion, protect the heat exchange plate structure and improve the heat exchange efficiency.

Description

Plate type oil cooler

Technical Field

The utility model relates to the field of oil coolers, in particular to a plate type oil cooler.

Background

A plate oil cooler is one type of oil cooling apparatus commonly used in engine systems. The device can realize heat exchange between two fluid media with certain temperature difference, thereby achieving the purposes of reducing the oil temperature and ensuring the normal operation of the system. When the plate-type oil cooler normally works, the heat medium (oil) and the refrigerant (cooling water) are respectively positioned on the inner side and the outer side of the heat medium core body, so that the heat medium and the refrigerant are in an isolated state, and heat exchange is carried out between the heat medium and the refrigerant through the dividing wall type heat transfer.

CNC gas station generally need use the compressor, the oil gas jar of compressor adopts vertical installation, oil in the oil gas jar gets into in the compressor again behind the oil cooler, and the temperature is higher in summer, it is higher to the heat exchange efficiency requirement of oil cooler, the refrigerant velocity of flow in the plate oil cooler among the prior art is slower, heat exchange efficiency is poor, and heat transfer area is less, further lead to heat exchange efficiency poor, thereby lead to its cooling effect not to fall to suitable level with the oil temperature, the high temperature alarm is triggered easily in the oil entering compressor of temperature rising.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a plate-type oil cooler, which at least solves the problems that the heat exchange area of the existing plate-type oil cooler is too small, and the heat exchange efficiency is insufficient due to the slow flow velocity of a refrigerant, and has the effect of improving the heat exchange efficiency.

(II) technical scheme

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

the utility model provides a plate-type oil cooler, is equipped with a plurality of heat transfer board in installing the outside casing of compressor, the heat transfer inboard is equipped with the oil pocket, be equipped with on the heat transfer board with the defeated oil pipe of oil pocket intercommunication, defeated oil pipe and next heat transfer board's oil pocket intercommunication forms the space that the refrigerant carried between the two adjacent heat transfer boards, is equipped with a plurality of convex parts on the heat transfer board to increase the area of contact of oil pocket and refrigerant, form the constant head tank between two adjacent convex parts, be connected with feed liquor pipe and advance, oil-out on the casing, the casing outside is all located to advance, the delivery port of feed liquor pipe, and the feed liquor pipe penetrates in the casing to wear to establish each constant head tank in proper order, the input of feed liquor pipe is connected with the pump that is used for increasing the medium circulation velocity of flow.

So set up, connect the self priming pump through the input at the feed liquor pipe, thereby improve the flow rate of refrigerant in the feed liquor pipe, and then improve oily cold efficiency, and still set up a plurality of convex parts on the heat transfer board, whole to heat transfer area, improve heat exchange efficiency, and form the constant head tank between convex part and convex part, make things convenient for feed liquor pipe location installation, and the change of feed liquor intraduct internal pressure causes the change of feed liquor pipe diameter, conflict on the convex part, avoid causing the extrusion and deformation to the heat transfer board, protect the heat transfer board structure, the service life of the heat transfer board is prolonged.

Further, the convex part is arc-shaped, and a gap is formed between the liquid inlet pipe and the heat exchange plate.

So set up, feed liquor pipe card just has the gap between the heat exchanger plate in the constant head tank that forms between two convex parts for the intraductal delivery pressure of feed liquor changes, can not extrude the heat transfer board, avoids the heat transfer board to warp, and guarantees the inside coolant liquid velocity of flow of feed liquor pipe, and then has guaranteed the heat exchange efficiency maximize.

And further arranging, wherein the end part of the convex part is mutually abutted with the end part of the convex part corresponding to the adjacent heat exchange plate.

So set up, form the constant head tank of carrying on the feed liquor pipe between convex part and convex part, and make the feed liquor pipe installation more convenient.

And the liquid inlet, the liquid outlet, the end parts of the oil inlet and the oil outlet are respectively connected with a pipeline joint, the pipeline joints are detachably connected with a liquid guide pipe, and the liquid guide pipe is used for guiding a refrigerant or a heating medium.

So set up, make things convenient for the dismouting of pipe joint and catheter, improve the convenience that the dismouting of plate-type oil cooler was used, improved this plate-type oil cooler's practicality.

Further setting, the pipe joint deviates from heat transfer board one end and is equipped with the hose, the hose other end is equipped with the nozzle stub, the nozzle stub other end is provided with a plurality of elasticity clamping pieces, elasticity clamping piece is towards keeping away from nozzle stub axis direction slope, the equidistant distribution of elasticity clamping piece is on the circumference of nozzle stub, still be equipped with on the nozzle stub and be used for making the elasticity clamping piece slope inwards carry out the mounting of centre gripping location, the nozzle of catheter cup joints on the elasticity clamping piece and locks the mounting, during the mounting lock solid, a plurality of elasticity clamping pieces slope inwards to it is fixed with the catheter centre gripping.

So set up, through the mouth of pipe with the catheter cover on the elastic clip piece to furthest's expansion catheter's bore, then fix the catheter on the nozzle stub with the mounting, and then the convenience of dismouting.

The fixing part comprises a sleeve with an internal thread, the short pipe is provided with an external thread with a thread corresponding to the sleeve, the liquid guide pipe penetrates through the sleeve and is sleeved on the circumference enclosed by the elastic clamping pieces, and then the sleeve is connected with the short pipe in a threaded mode.

So set up, the sleeve extrudees the catheter when the threaded connection nozzle stub because the material of elasticity clamping piece is softer to thereby make things convenient for the catheter deformation to reduce the bore, further improve installation stability.

Further setting, the sleeve internal fixation is equipped with the annular platform that encircles the sleeve inner wall, the annular platform is located the sleeve top, when the sleeve locks, the annular platform bottom is contradicted in elasticity clamping piece top.

So set up, except that the sleeve inside wall carries on spacingly to the elasticity clamping piece, the annular platform has still restricted the top of elasticity clamping piece to realize better stability.

The hose is characterized in that a plurality of limiting rings are arranged on the outer wall of the hose, the limiting rings are arranged around the circumference of the outer wall of the hose, the limiting rings are arranged at equal intervals along the axis direction of the hose, and a swinging gap for limiting the swinging angle of the hose is formed between every two adjacent limiting rings.

So set up, can avoid coupling hose to be excessively crooked through a plurality of spacing rings that are equipped with, prevent that coupling hose from being broken.

(III) advantageous effects

Compared with the prior art, the plate type oil cooler provided by the utility model has the following beneficial effects:

1. let in the refrigerant in the feed liquor pipe, with the oil heat transfer of the oil pocket of heat transfer board, through connecting the self priming pump at the input of feed liquor pipe to in the constant head tank that the convex part of feed liquor pipe joint on the heat transfer board formed, make the refrigerant circulation velocity of flow in the feed liquor pipe accelerate, and then improved heat exchange efficiency.

2. The catheter is more convenient to install by penetrating the catheter through the sleeve and sleeving the catheter on the elastic clamping piece, and then connecting the short pipe with the sleeve in a threaded manner to extrude the catheter and limit the elastic clamping piece.

3. Through intercommunication hose between nozzle stub and casing to the lateral wall equidistant spacing that encircles the hose is equipped with the spacing ring, when having overcome current plate-type oil cooler intercommunication catheter, the inconvenient problem of catheter grafting, thereby realized that the hose can swing and peg graft the catheter better, improved the effect of plate-type oil cooler's practicality.

Drawings

FIG. 1 is an overall view of the present invention;

FIG. 2 is a schematic view of a heat exchange plate;

FIG. 3 is a schematic view of a catheter connection;

fig. 4 is a schematic view of a fastener.

Wherein: 1. a housing; 2. a heat exchange plate; 3. positioning a groove; 4. a liquid inlet pipe; 5. a self-priming pump; 6. a pipe joint; 7. a catheter; 8. a limiting ring; 20. an oil chamber; 21. an oil delivery pipe; 22. a convex portion; 60. a hose; 61. a short pipe; 62. an elastic clip; 63. a fixing member; 630. an annular table; A. a liquid inlet and a liquid outlet; B. an oil inlet and an oil outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is an overall view of the present invention;

FIG. 2 is a schematic view of a heat exchange plate; FIG. 3 is a schematic view of a catheter connection; fig. 4 is a schematic view of a fastener.

The utility model provides a plate-type oil cooler, including installing in the outside casing 1 of compressor, be equipped with a plurality of heat transfer boards 2 in the casing 1, be connected with on the casing 1 and advance, liquid outlet A and advance, oil-out B, the advance of feed liquor pipe 4, the 1 outside of casing is all located to the delivery port, the end of intaking of feed liquor pipe 4 is connected with self priming pump 5 that is used for improving the medium circulation velocity of flow, and advance, liquid outlet A with advance, oil-out B's tip all is connected with pipe joint 6, can dismantle on the pipe joint 6 and be connected with catheter 7, catheter 7 is used for leading-in refrigerant or heat medium, wherein, catheter 7 is leading-in with the refrigerant, the refrigerant is in 5 reentrant feed liquor pipes 4 through self priming pump.

The number of the pipeline joints 6 is four, the pipeline joints correspond to the oil inlet and outlet B and the liquid inlet and outlet A respectively, one end of the pipeline joint 6, which deviates from the shell 1, is communicated with the hose 60, the hose 60 is made of elastomer plastic, and the hose 60 is convenient to bend so as to be convenient to install. Six limiting rings 8 are arranged on the outer wall of the hose 60 around the circumference of the hose, the limiting rings 8 are arranged at equal intervals along the axial direction of the hose 60, and the connecting hose 60 can be prevented from being bent excessively through the plurality of limiting rings 8, so that the hose 60 is prevented from being broken.

The other end of the hose 60 is communicated with a short pipe 61, the other end of the short pipe 61 is provided with an elastic clamping piece 62, the elastic clamping piece 62 is obliquely arranged along the direction far away from the axis of the short pipe 61, the elastic clamping pieces 62 are distributed on the circumference of the short pipe 61 at equal intervals, the short pipe 61 is also provided with a fixing piece 63 for fixing a catheter 7 for leading in heat medium or cold medium, the catheter 7 is sleeved on the elastic clamping piece 62 and locked by the fixing piece 63, the fixing piece 63 comprises a sleeve provided with internal threads, the short pipe 61 is provided with external threads corresponding to the sleeve, the internal diameter of the sleeve is the same as the external diameter of the hose 60, an annular table 630 surrounding the internal circumference of the sleeve is also fixedly arranged in the sleeve, the annular table 630 is positioned at the top of the sleeve, the elastic clamping piece 62 is clamped between the lower part of the annular table 630 and the inner side wall of the sleeve, the catheter 7A penetrates through the sleeve and is sleeved on the circumference surrounded by the elastic clamping pieces 62, and then the sleeve is connected with the short pipe 61 by threads, the liquid guide tube 7A is sleeved on the elastic clamping piece 62, so that the caliber of the liquid guide tube 7 is expanded to the maximum extent, then the liquid guide tube 7A is fixed on the short tube 61 by the fixing piece 63, the elastic clamping piece 62 is limited by the inner side wall of the sleeve, and the top end of the elastic clamping piece 62 is limited by the annular table 630, so that the more convenient dismounting effect is realized.

Be equipped with oil pocket 20 in the heat transfer board 2, be equipped with defeated oil pipe 21 on the heat transfer board 2, defeated oil pipe 21 communicates with the oil pocket 20 of next heat transfer board 2, is equipped with eight convex parts 22 on the heat transfer board 2 to improve heat transfer area, and then improve heat exchange efficiency. A positioning groove 3 is formed between every two adjacent convex parts 22, and a liquid inlet pipe 4 is arranged on the positioning groove 3 in a penetrating manner, so that the liquid inlet pipe 4 is convenient to install, and the heat exchange efficiency of the heat exchange plate 2 can be improved by the aid of the plurality of liquid inlet pipes 4; be connected with into on the casing 1, liquid outlet A and advance, oil-out B, the casing 1 outside is all located to the water inlet, the delivery port of feed liquor pipe 4, and in feed liquor pipe 4 penetrated casing 1 to wear to establish each constant head tank 3 in proper order, convex part 22 establishes to arc, and has the gap between feed liquor pipe 4 and the heat transfer board 2.

The liquid inlet pipe 4 is clamped in the positioning groove 3 formed between the two convex parts 22 and has a gap with the heat exchange plates 2, the end parts of the convex parts 22 are mutually abutted with the end parts of the convex parts 22 corresponding to the adjacent heat exchange plates 2, and then the heat exchange efficiency is maximized.

The working principle is as follows: the liquid guide pipe 7 penetrates through the sleeve and is sleeved on the elastic clamping pieces 62, after the elastic clamping pieces 62 are confirmed to be attached to the inner side walls of the liquid guide pipe 7, the internal threads of the sleeve are aligned with the external threads of the short pipe 61 and are in threaded connection, the liquid guide pipe 7 and the elastic clamping pieces 62 are extruded in the process of rotating the sleeve, and finally the bottom of the annular table 630 of the sleeve abuts against the top ends of the elastic clamping pieces 62, so that installation is completed;

then, the refrigerant and the oil are led into the liquid inlet pipe 4 and the oil inlet pipe from the outside through the liquid guide pipe 7, enter the oil cavity 20 of the heat exchange plate 2 from the oil inlet pipe, enter the oil cavity 20 of the next heat exchange plate 2 from the oil conveying pipe 21 and finally flow out from the oil outlet B; the cooling liquid is guided into the liquid inlet pipe 4 from the liquid guide pipe 7 and flows out from the liquid outlet A, and the oil in the heat exchange plate 2 is cooled during the movement of the cooling liquid, so that the oil temperature is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A plate type oil cooler is characterized by comprising a shell (1) installed outside a compressor, wherein a plurality of heat exchange plates (2) are arranged in the shell (1), oil cavities (20) are formed in the heat exchange plates (2), oil delivery pipes (21) communicated with the oil cavities (20) are arranged on the heat exchange plates (2), the oil delivery pipes (21) are communicated with the oil cavities (20) of the next heat exchange plate (2), a space for conveying cooling medium is formed between every two adjacent heat exchange plates (2), a plurality of convex parts (22) are arranged on the heat exchange plates (2) to increase the contact area between the oil cavities (20) and the cooling medium, positioning grooves (3) are formed between every two adjacent convex parts (22), a liquid inlet pipe (4) and a liquid inlet and a liquid outlet (B) are connected to the shell (1), the liquid inlet and the liquid outlet (A) of the liquid inlet pipe (4) are formed in the outer side of the shell (1), and the liquid inlet pipe (4) penetrates into the shell (1), and penetrate through each constant head tank (3) in proper order, the input of feed liquor pipe (4) is connected with self priming pump (5) that are used for increasing the medium circulation velocity of flow.

2. A plate oil cooler according to claim 1, characterised in that the protrusion (22) is shaped as a circular arc, and that there is a gap between the inlet pipe (4) and the heat exchanger plate (2).

3. A plate oil cooler according to claim 1, characterised in that the ends of the protrusions (22) interfere with the ends of the protrusions (22) of the adjacent heat exchanger plates (2).

4. The plate type oil cooler according to claim 1, wherein the ends of the inlet and outlet ports (a) and the inlet and outlet ports (B) of the liquid inlet pipe (4) are connected with pipe joints (6), the pipe joints (6) are detachably connected with liquid guide pipes (7), and the liquid guide pipes (7) are used for guiding a cooling medium or a heating medium.

5. A plate type oil cooler according to claim 4, characterized in that the end of the pipe joint (6) away from the heat exchange plate (2) is provided with a hose (60), the other end of the hose (60) is provided with a short pipe (61), the other end of the short pipe (61) is provided with a plurality of elastic clamping pieces (62), the elastic clamping pieces (62) incline towards the direction away from the axis of the short pipe (61), the elastic clamping pieces (62) are distributed on the circumference of the short pipe (61) at equal intervals, the short pipe (61) is further provided with a fixing piece (63) for enabling the elastic clamping pieces (62) to incline inwards for clamping and positioning, the pipe orifice of the liquid guide pipe (7) is sleeved on the elastic clamping pieces (62) and used for locking the fixing piece, and when the fixing piece (63) is locked, the elastic clamping pieces (62) incline inwards and fix the liquid guide pipe (7).

6. A plate oil cooler according to claim 5, characterized in that the fixing member (63) comprises a sleeve with an internal thread, the short pipe (61) is provided with an external thread corresponding to the external thread of the sleeve, the liquid guide tube (7) passes through the sleeve and is sleeved on the circumference enclosed by the elastic clamping pieces (62), and then the sleeve is connected with the short pipe (61) in a threaded manner.

7. A plate oil cooler according to claim 6, characterized in that the sleeve is internally fixed with an annular table (630) surrounding the inner wall of the sleeve, the annular table (630) is located at the top of the sleeve, and when the sleeve is locked, the bottom of the annular table (630) abuts against the top of the elastic clip (62).

8. A plate-type oil cooler according to claim 5, characterized in that a plurality of limiting rings (8) are arranged on the outer wall of the hose (60), the limiting rings (8) are arranged around the circumference of the outer wall of the hose, the limiting rings (8) are arranged at equal intervals along the axial direction of the hose (60), and a swing gap for limiting the swing angle of the hose (60) is formed between two adjacent limiting rings (8).

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