CN210602927U

CN210602927U - Brazing plate type heat exchanger for laser water chiller

Info

Publication number: CN210602927U
Application number: CN201921236896.8U
Authority: CN
Inventors: 望雪晴; 金文宇
Original assignee: Shanghai Wen Heng Electric Equipment Co ltd
Current assignee: Shanghai Wen Heng Electric Equipment Co ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-05-22
Anticipated expiration: 2029-08-01

Abstract

The utility model provides a laser is brazing sheet heat exchanger for cooling water machine, includes two solid fixed splint, a plurality of heat transfer slab, two equal symmetry is equipped with a plurality of circulation mouth on the solid fixed splint, two the symmetry is equipped with a plurality of threaded rods between the solid fixed splint, two the last symmetry of solid fixed splint is equipped with two guide arms, two the logical groove with guide arm assorted has been seted up to the last symmetry of solid fixed splint, the pinhole has been seted up to the symmetry on the guide arm, the pinhole interlude has the pin bar, be equipped with fixed establishment on the pin bar, two the guide arm bottom all is equipped with the tenon piece. The utility model discloses a guide arm alternates between two solid fixed splint for the tenon piece passes the dovetail, then once passes through hole, pinhole with the pin, carries on spacingly to the guide arm, and the clamp plate is located the notch inslot this moment, then screws the set screw, accomplishes the fixed to the pin, makes the heat transfer slab can not produce the lateral shifting through the cooperation of tenon piece and dovetail.

Description

Brazing plate type heat exchanger for laser water chiller

Technical Field

The utility model relates to a brazing plate heat exchanger technical field especially relates to a laser is brazing plate heat exchanger for cooling water machine.

Background

The brazed plate heat exchanger is a new type high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes and performing brazing processing. Thin rectangular channels are formed between the various plates through which heat is exchanged. Compared with the conventional shell-and-tube heat exchanger, the heat transfer coefficient of the heat exchanger is much higher under the condition of the same flow resistance and pump power consumption, and the heat exchanger tends to replace the shell-and-tube heat exchanger in an applicable range.

According to the Chinese patent publication numbers: CN206488671U, a high-efficient brazed plate heat exchanger, including the heat exchanger body, its characterized in that: the heat exchanger body is provided with a liquid inlet, a liquid outlet, a refrigerant inlet, a refrigerant outlet and a plurality of heat exchange plates, the heat exchanger has a distributor design with a unique structure, the fluid dispersion speed is higher, and the heat exchange efficiency of the evaporator is greatly improved.

But the heat transfer slab of this heat exchanger only carries out single clamp through splint and tightly, and fixed effect is not ideal, receives under the circumstances of external vibrations, and the dislocation skew appears easily to the heat transfer slab to the weeping phenomenon appears.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the heat exchange plate of the existing brazing plate type heat exchanger is only clamped singly through the clamping plate, the fixing effect is not ideal, and the heat exchange plate is easy to dislocate and deviate under the condition of external vibration, so that the liquid leakage phenomenon is caused.

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

the utility model provides a laser is brazed plate heat exchanger for cooling water machine, includes two solid fixed splint, a plurality of heat transfer slab, two equal symmetry is equipped with a plurality of circulation mouth on the solid fixed splint, two the symmetry is equipped with a plurality of threaded rods between the solid fixed splint, two the symmetry is equipped with two guide arms on the solid fixed splint, two the logical groove with guide arm assorted has been seted up to the last symmetry of solid fixed splint, the pinhole has been seted up to the symmetry on the guide arm, the pinhole alternates there is the pin pole, be equipped with fixed establishment on the pin pole, two the guide arm bottom all is equipped with the tenon piece, every the dovetail has been seted up to equal symmetry on the heat transfer.

Preferably, the fixing mechanism comprises a pressing plate, a notch groove is formed in the upper end of the fixing clamping plate, the pressing plate is fixedly connected into the notch groove through a plurality of fixing screws, the pressing plate is fixedly connected to the upper end of the pin rod, a through hole is formed in the lower portion of the notch groove, and the pin rod penetrates through the through hole.

Preferably, a plurality of heat transfer slab is located between two solid fixed splint, every a plurality of through-holes have all been seted up to the symmetry on the heat transfer slab, guide arm and tenon piece integrated into one piece, the tenon piece cooperatees with the dovetail.

Preferably, bottom sides of the two fixing clamping plates are symmetrically and fixedly connected with bottom feet, and mounting holes are formed in the bottom feet.

Preferably, a plurality of semicircular grooves are symmetrically formed in the heat exchange plate, and each semicircular groove is matched with the threaded rod.

Preferably, each threaded rod both ends screw thread all is connected with gland nut, gland nut supports on the solid fixed splint side.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the guide rod is inserted between the two fixing clamping plates, so that the tenon block penetrates through the dovetail groove, then the pin rod penetrates through the through hole and the pin hole once to limit the guide rod, the pressing plate is located in the groove at the moment, then the fixing screw is screwed, the fixing of the pin rod is completed, and the heat exchange plate cannot generate transverse offset through the matching of the tenon block and the dovetail groove.

2. Through alternate a plurality of threaded rods between two solid fixed splint, then screw gland nut and make it tightly support solid fixed splint, the threaded rod is located the half slot simultaneously, guarantees further through the cooperation of threaded rod and half slot that the heat transfer slab can not produce longitudinal deviation to also can remain stable cooperation under the condition that receives vibrations between making a plurality of heat transfer slabs.

Drawings

Fig. 1 is a schematic front structural view of a brazed plate heat exchanger for a laser water chiller according to the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic side structural view of a heat exchange plate sheet in a brazed plate heat exchanger for a laser water chiller according to the present invention;

fig. 4 is the utility model provides a side structure schematic diagram of guide arm in brazing sheet heat exchanger for laser cooling water machine.

In the figure: 1-fixed splint, 2-heat exchange plate, 3-bottom foot, 4-guide rod, 5-circulation port, 6-threaded rod, 7-compression nut, 8-semicircular groove, 9-dovetail groove, 10-through hole, 11-tenon block, 12-through groove, 13-pin hole, 14-through hole, 15-pressing plate, 16-fixing screw, 17-notch groove and 18-pin rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, including two solid fixed splint 1, a plurality of heat transfer slab 2, the equal symmetry fixedly connected with footing 3 in two solid fixed splint 1 bottom sides, the mounting hole has been seted up on footing 3, the installation of the heat exchanger of being convenient for through the setting of footing 3 is fixed, equal symmetry is equipped with a plurality of circulation mouth 5 on two solid fixed splint 1, a plurality of half slot 8 have been seted up to the symmetry on heat transfer slab 2, every half slot 8 all sets up with 6 phase-matchs of threaded rod, guarantee further that heat transfer slab 2 can not produce longitudinal deviation through the cooperation of threaded rod 6 with half slot 8.

The symmetry is equipped with a plurality of threaded rods 6 between two solid fixed

splint

1, and 6 both ends screw threads of every threaded rod all are connected with gland nut 7, and gland nut 7 supports on solid fixed splint 1 side to fix threaded rod 6, guarantee that it can't drop, the symmetry is equipped with two guide arms 4 on two solid fixed splint 1, two solid fixed splint 1 go up the symmetry seted up with guide arm 4 assorted logical groove 12, the pinhole 13 has been seted up to the symmetry on the guide arm 4, pinhole 13 interpolation has round pin 18.

The pin rod 18 is provided with a fixing mechanism, the fixing mechanism comprises a pressing plate 15, the upper end of the fixing clamp plate 1 is provided with a notch 17, the pressing plate 15 is fixedly connected in the notch 17 through a plurality of fixing screws 16, the pressing plate 15 is fixedly connected at the upper end of the pin rod 18, a through hole 14 is formed below the notch 17, the pin rod 18 passes through the through hole 14, the pin rod 18 is limited through the fixing screws 16, so that the pin rod can be tightly inserted into the guide rods 4 to limit the guide rods, the bottom ends of the two guide rods 4 are respectively provided with a tenon block 11, the length of the tenon block 11 is equal to the total thickness of the heat exchange plates 2, the heat exchange plates 2 are positioned between the two fixing clamp plates 1, each heat exchange plate 2 is symmetrically provided with a plurality of through holes 10, the guide rods 4 and the tenon blocks 11 are integrally formed, the tenon blocks 11 are matched with the dovetail grooves 9, and the heat exchange plates 2 can not generate transverse, dovetail grooves 9 are symmetrically formed in each heat exchange plate 2.

In the utility model, when the user uses the device, the upper guide rod 4 is inserted between the two fixed splints 1, the tenon block 11 is made to pass through the dovetail groove 9, then the pin rod 18 is made to pass through the through hole 14 and the pin hole 13 in sequence, the guide rod 4 is limited, the pressure plate 15 is positioned in the notch groove 17, then the fixing screw 16 is screwed tightly, the limit of the pin rod 18 is completed, the transverse deviation of the heat exchange plates 2 can not be generated through the matching of the tenon blocks 11 and the dovetail grooves 9, and by inserting a plurality of threaded rods 6 between the two fixed clamping plates 1, then the compression nut 7 is tightly pressed against the fixed splint 1, and the threaded rod 6 is positioned in the semicircular groove 8, the threaded rod 6 is matched with the semicircular groove 8 to further ensure that the heat exchange plate 2 cannot generate longitudinal deviation, so that a stable fit between the heat exchanger plates 2 is maintained also in case of shocks.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a laser is brazed plate heat exchanger for cooling water machine, includes two solid fixed splint (1), a plurality of heat transfer slab (2), its characterized in that, two equal symmetry is equipped with a plurality of circulation mouth (5) on solid fixed splint (1), two the symmetry is equipped with a plurality of threaded rods (6) between solid fixed splint (1), two the symmetry is equipped with two guide arms (4) on solid fixed splint (1), two the symmetry is seted up on solid fixed splint (1) and is led to groove (12) with guide arm (4) assorted, pinhole (13) have been seted up to the symmetry on guide arm (4), pin hole (13) are interior to alternate and have pin (18), be equipped with fixed establishment on pin (18), two guide arm (4) bottom all is equipped with tenon piece (11), every dovetail (9) have been seted up to equal symmetry on heat transfer slab (2).

2. The brazed plate heat exchanger for the laser water chiller according to claim 1, wherein the fixing mechanism comprises a pressure plate (15), a notch groove (17) is formed in the upper end of the fixing clamp plate (1), the pressure plate (15) is fixedly connected in the notch groove (17) through a plurality of fixing screws (16), the pressure plate (15) is fixedly connected to the upper end of a pin rod (18), a through hole (14) is formed below the notch groove (17), and the pin rod (18) is arranged through the through hole (14).

3. The brazing plate type heat exchanger for the laser water chilling unit according to claim 1, wherein the plurality of heat exchange plates (2) are located between two fixing clamping plates (1), each heat exchange plate (2) is symmetrically provided with a plurality of through holes (10), the guide rod (4) and the tenon block (11) are integrally formed, and the tenon block (11) is matched with the dovetail groove (9).

4. The brazed plate heat exchanger for the laser water chiller according to claim 1, characterized in that the bottom sides of the two fixed clamping plates (1) are symmetrically and fixedly connected with feet (3), and the feet (3) are provided with mounting holes.

5. The brazed plate heat exchanger for the laser water chiller according to claim 1, wherein the heat exchange plates (2) are symmetrically provided with a plurality of semicircular grooves (8), and each semicircular groove (8) is matched with the threaded rod (6).

6. The brazed plate heat exchanger for the laser water chiller according to claim 1, characterized in that a compression nut (7) is screwed on both ends of each threaded rod (6), and the compression nut (7) abuts against the side surface of the fixed clamping plate (1).