Novel corrugated fin fixing structure

Abstract

The utility model relates to a novel fixing structure of a corrugated fin, which comprises fixed plates, movable plates A, movable plates B and limiting rods, the fixed plates are respectively arranged on the upper side and the lower side of an air evaporator, the movable plates A along the vertical direction are respectively connected between the front ends and the rear ends of the two fixed plates in a sliding mode, and locking pieces are arranged at the sliding connection positions between the movable plates A and the fixed plates. The side, away from the corrugated fins, of the movable plate A is evenly provided with a plurality of fixing screws in the vertical direction, the fixing screws are in threaded connection with fixing nuts, the movable plate B is provided with a plurality of through holes A corresponding to the fixing screws, the movable plate B is evenly provided with a plurality of through holes B in the left-right direction, the through holes B are provided with internal threads, and the outward ends of the limiting rods are in threaded connection with the through holes B. And the inward ends of the limiting rods extend into the corrugated fins and press the bent parts of the corrugated fins. The fixing device has the advantages of being good in fixing effect and flexible in fixing part adjustment.

Description

TECHNICAL FIELD

[0001] The utility model relates to fin technical field, concretely relates to a new type fixed structure of corrugated fin. BACKGROUND

[0002] Fin increases the contact area with air, improves the heat exchange efficiency between the connected pipe and air, and improves the heat dissipation effect, and the fin can be divided into straight fin, spiral fin, perforated fin, corrugated fin and the like according to shape.

[0003] The corrugated fin is like a wave, and the contact area with air is large, and the heat exchange efficiency is high, but the connecting part between the corrugated fin and the pipe is at the bending part, the connecting area is small, the connecting strength is reduced, the loosening risk of the corrugated fin is increased, and additional fixing and reinforcing are needed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a new type fixed structure of corrugated fin, which has the advantages of good fixing effect and convenient fixing part adjustment.

[0005] The technical scheme of the utility model is as follows:

[0006] A new type fixed structure of corrugated fin, including fixed plate, movable plate A, movable plate B and limit rod, the middle part of the air evaporator where it is located is provided with a plurality of pipes along the left-right direction from top to bottom, the corrugated fins are arranged along the left-right direction between the upper and lower adjacent pipes, the bending part of the corrugated fin is connected with the upper surface or the lower surface of the pipe, the air evaporator is respectively provided with a fixed plate on the upper side and the lower side, the movable plate A along the vertical direction is respectively connected between the front and rear ends of the two fixed plates, the sliding direction of the movable plate A is the left-right direction, the sliding connection between the movable plate A and the fixed plate is provided with a locking part, the movable plate A is located in front of or behind the corrugated fin, a plurality of fixed screws along the vertical direction are uniformly arranged on the side, away from the corrugated fin, of the movable plate A, the fixed screw is threadedly connected with a fixed nut, the movable plate B is provided with a plurality of through holes A corresponding to the fixed screw, the through holes A are not less than 2 and are on the same straight line, the detachable connection between the movable plate A and the movable plate B is realized by inserting the fixed screw into the through hole A and rotating the fixed nut, a plurality of through holes B along the left-right direction are uniformly arranged on the movable plate B, the through hole B is provided with an internal thread, the outward end of the limit rod is provided with an external thread corresponding to the internal thread of the through hole B, the outward end of the limit rod is threadedly connected with the through hole B, and the inward end of the limit rod extends into the corrugated fin and presses the bending part of the corrugated fin.

[0007] Preferably, the movable plate B is in the shape of T, the upper and lower ends of the vertical part of the movable plate B are respectively provided with through holes A, the distance between the two through holes A is equal to the distance between two adjacent fixed screw rods, and the left and right sides of the horizontal part of the movable plate B are respectively and uniformly provided with a plurality of through holes B in the left-right direction.

[0008] Preferably, the through hole B is composed of an outer hole and an inner hole in coaxial relationship, the diameter of the outer hole is larger than that of the inner hole, the inner thread is arranged on the inner wall of the outer hole, the outer end of the limiting rod has a cross-sectional radius corresponding to the diameter of the outer hole, the inner end of the limiting rod has a cross-sectional radius corresponding to the diameter of the inner hole, and the outer thread is arranged on the outer end of the limiting rod corresponding to the inner thread of the outer hole.

[0009] Preferably, the front and rear ends of the fixed plate are respectively provided with sliding rails in the left-right direction, and the upper and lower ends of the movable plate A are respectively provided with sliding blocks, which are in sliding connection with the sliding rails.

[0010] Preferably, the locking member is a locking screw, the movable plate A is threadedly connected with the locking screw on the sliding block, and the locking screw can be screwed to abut against the sliding rail.

[0011] The utility model has the beneficial technical effect:

[0012] 1. The connecting point between the limiting rod and the corrugated fin is pressed by the limiting rod, the connecting strength between the corrugated fin and the pipe is enhanced, the probability of loosening of the corrugated fin is reduced, and the effect of fixing the corrugated fin is achieved.

[0013] 2. The movable plate B can be installed on the part of the movable plate A at a suitable height through the cooperation of the through hole A, the fixed screw rod and the fixed nut, so that the limiting rod can be moved to a suitable height, and the limiting rod can be moved to a suitable transverse position through the cooperation of the through hole B uniformly distributed on the movable plate B in the left-right direction and the movable plate A which can slide in the left-right direction, so that the limiting rod can be conveniently arranged at the bending part of the corrugated fin which needs to be fixed. BRIEF DESCRIPTION OF DRAWINGS

[0014] The technical scheme of the utility model will be further described below with reference to the drawings.

[0015] ATTACHMENT Fig. 1 It is the front view of the utility model.

[0016] ATTACHMENT Fig. 2 It is the plan view of the utility model.

[0017] ATTACHMENT Fig. 3 It is the front view of the movable plate B.

[0018] ATTACHMENT Fig. 4 It is the side view of the limiting rod.

[0019] In the diagram: 1-Fixed plate, 2-Modible plate A, 3-Modible plate B, 4-Limiting rod, 5-Conduit, 6-Corrugated fin, 7-Locking component, 8-Fixing screw, 9-Fixing nut, 10-Through hole A, 11-Through hole B, 12-Outer hole, 13-Inner hole, 14-Slide rail, 15-Slider, 16-Locking screw, 17-Air evaporator. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0021] Example:

[0022] like Figs. 1 to 4 As shown, this embodiment provides a novel fixing structure for corrugated fins, including a fixed plate 1, a movable plate A2, a movable plate B3, and a limiting rod 4. The air evaporator 17, where this structure is located, has several ducts 5 evenly arranged from top to bottom along the left-right direction in the middle. Corrugated fins 6 are laid flat along the left-right direction between adjacent ducts 5. The bent portions of the corrugated fins 6 are connected to the upper or lower surfaces of the ducts 5. Fixed plates 1 are located on the upper and lower sides of the air evaporator 17. Movable plates A2 are slidably connected between the front and rear ends of the two fixed plates 1, with the sliding direction of the movable plates A2 being left-right. A locking element 7 is provided at the sliding connection between the movable plates A2 and the fixed plates 1. The movable plates A2 are located in front of or behind the corrugated fins 6. On the side of plate A2 away from the corrugated fin 6, several fixing screws 8 are evenly arranged vertically. Fixing nuts 9 are threaded onto the fixing screws 8. The movable plate B3 has several through holes A10 corresponding to the fixing screws 8. There are at least two through holes A10 and they are all on the same straight line. The movable plate A2 and the movable plate B3 are detachably connected by inserting the fixing screws 8 into the through holes A10 and then screwing on the fixing nuts 9. The movable plate B3 has several through holes B11 evenly arranged in the left and right direction. The through holes B11 have internal threads. The outer end of the limiting rod 4 has an external thread corresponding to the internal thread of the through hole B11. The outer end of the limiting rod 4 is threaded to the through hole B11. The inner end of the limiting rod 4 extends into the corrugated fin 6 and presses against the bent part of the corrugated fin 6.

[0023] The connecting point between the corrugated fin 6 and the duct 5 is pressed by the limiting rod 4, the connecting strength between the corrugated fin 6 and the duct 5 is enhanced, the probability of loosening of the corrugated fin 6 is reduced, and the effect of fixing the corrugated fin 6 is achieved. The movable plate B3 can be installed on the part of the movable plate A2 at a suitable height by the cooperation of the through hole A10, the fixed screw rod 8 and the fixed nut 9, so that the limiting rod 4 can be moved to a suitable height. The limiting rod 4 can be moved to a suitable transverse position by the cooperation of the through hole B11 uniformly distributed in the left-right direction on the movable plate B3 and the movable plate A2 which can slide in the left-right direction, so that the limiting rod 4 can be more conveniently arranged at the bending part of the corrugated fin 6 which needs to be fixed.

[0024] Further, the movable plate B3 is in the shape of T, the upper and lower ends of the vertical part of the movable plate B3 are respectively provided with the through hole A10, the spacing between the two through holes A10 is equal to the spacing between the two adjacent fixed screw rods 8, and the left and right sides of the horizontal part of the movable plate B3 are respectively and uniformly provided with a plurality of through holes B11 in the left-right direction.

[0025] The two through holes A10 are arranged on the movable plate B3, which can avoid the problem of torsion when there is only a single through hole A10, and the limiting rod 4 can be installed on both sides of the movable plate B3, which can provide a more balanced fixing effect for the corrugated fin 6.

[0026] Further, the through hole B11 is composed of an outer hole 12 and an inner hole 13 in a coaxial relationship, the diameter of the outer hole 12 is larger than that of the inner hole 13, the inner wall of the outer hole 12 is provided with internal threads, the radius of the outward end of the limiting rod 4 is equivalent to the diameter of the outer hole 12, the radius of the inward end of the limiting rod 4 is equivalent to the diameter of the inner hole 13, and the outward end of the limiting rod 4 is provided with external threads corresponding to the internal threads of the outer hole 12.

[0027] The limiting rod 4 can be installed in the through hole B11 in the direction from outside to inside, which facilitates the installation operation of the limiting rod 4 on the through hole B11.

[0028] Further, the front and rear ends of the fixed plate 1 are respectively provided with sliding rails 14 in the left-right direction, and the upper and lower ends of the movable plate A2 are respectively provided with sliding blocks 15 which are in sliding connection with the sliding rails 14.

[0029] The movable plate A2 is in sliding connection with the fixed plate 1 by the cooperation of the sliding block 15 and the sliding rail 14.

[0030] Further, the locking member 7 is a locking screw 16, and the movable plate A2 is threadedly connected with the locking screw 16 on the sliding block 15, and the locking screw 16 can be rotated to tightly abut against the sliding rail 14.

[0031] The movable plate A2 can be fixed more conveniently by the friction between the locking screw 16 which is screwed and the sliding rail 14.

[0032] The working principle and use process of the utility model:

[0033] The staff first adjusts the position of the movable plate A2 according to the fixed corrugated fin 6 and the bending part that the corrugated fin 6 needs to be fixed, then adjusts the position of the movable plate B3 on the movable plate A2, finally selects the appropriate through hole B11 on the movable plate B3 and installs the limiting rod 4, and the inward end of the limiting rod 4 is used to press the bending part that the corrugated fin 6 needs to be fixed, so that the effect of fixing the corrugated fin 6 is achieved.

[0034] The above is only a specific application example of the utility model, and does not constitute any limitation on the protection scope of the utility model. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.

Claims

1. A novel fixing structure for corrugated fins, comprising a fixed plate, a movable plate A, a movable plate B, and a limiting rod, wherein a plurality of ducts are evenly arranged from top to bottom along the left-right direction in the middle of the air evaporator in which it is located, and corrugated fins are laid flat along the left-right direction between adjacent ducts, wherein the bent portions of the corrugated fins are connected to the upper or lower surface of the ducts, characterized in that: The air evaporator has fixed plates on its upper and lower sides. A vertically slidable movable plate A is connected between the front and rear ends of each of the two fixed plates. The movable plate A slides left and right. A locking element is provided at the sliding connection between the movable plate A and the fixed plate. The movable plate A is located in front of or behind the corrugated fins. Several fixing screws are evenly arranged vertically on the side of the movable plate A away from the corrugated fins. Fixing nuts are threaded onto the fixing screws. Several corresponding fixing screws are provided on the movable plate B. The screw has at least two through holes A, all of which are on the same straight line. A detachable connection between the movable plate A and the movable plate B is achieved by inserting the fixing screw into the through hole A and then screwing on the fixing nut. The movable plate B has several through holes B evenly arranged in the left-right direction. The through holes B have internal threads. The outer end of the limiting rod has an external thread corresponding to the internal thread of the through hole B. The outer end of the limiting rod is threadedly connected to the through hole B. The inner end of the limiting rod extends into the corrugated fin and presses against the bent part of the corrugated fin.

2. The novel fixing structure for corrugated fins according to claim 1, characterized in that: The movable plate B is T-shaped. The vertical part of the movable plate B has through holes A at its upper and lower ends. The distance between two through holes A is equal to the distance between two adjacent fixing screws. The horizontal part of the movable plate B has several through holes B evenly distributed on its left and right sides along the left and right directions.

3. The novel fixing structure for corrugated fins according to claim 2, characterized in that: The through hole B consists of an outer hole and an inner hole that are coaxial. The diameter of the outer hole is larger than that of the inner hole. The inner wall of the outer hole is provided with an internal thread. The cross-sectional radius of the outer end of the limiting rod is equivalent to the diameter of the outer hole, and the cross-sectional radius of the inner end of the limiting rod is equivalent to the diameter of the inner hole. The outer end of the limiting rod is provided with an external thread corresponding to the internal thread of the outer hole.

4. The novel fixing structure for corrugated fins according to claim 1, characterized in that: The fixed plate has slide rails at both its front and rear ends, and the movable plate A has sliders at both its upper and lower ends, with the sliders slidably connected to the slide rails.

5. The novel fixing structure for corrugated fins according to claim 4, characterized in that: The locking component is a locking screw. The movable plate A has a locking screw threadedly connected to the slider. The locking screw can be screwed tightly against the slide rail.

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