CN220083799U - Iron wire net protection structure of heat exchanger - Google Patents

Abstract

The embodiment of the utility model provides a wire netting protection structure of a heat exchanger, and relates to the field of heat exchangers. Aims to solve the problem of low installation and operation efficiency of the protective wire gauze of the heat exchanger. The heat exchanger wire netting protection structure comprises a heat exchanger box body, a wire netting and a plurality of lock rods; the heat exchanger box body comprises a first side plate and a second side plate which are opposite in position; the first side plate is provided with a plurality of lock holes at intervals, and the second side plate is provided with a plurality of positioning holes at intervals; the lock bars are fixed on the wire netting in parallel at intervals along the length direction of the wire netting; the middle part of each lock rod is fixed with the wire netting, and the two ends of each lock rod are respectively provided with a locking joint and a positioning plug; the positioning plug is used for being inserted into the positioning hole, and the locking joint is used for being corresponding to and fixed with the lock hole under the condition that the positioning plug is inserted into the positioning hole in place. The mode of positioning and fixing is utilized, one hand can be used for operation, meanwhile, the mode of inserting and fixing is adopted for combination, the number of fasteners is reduced, and the operation is more efficient.

Description

Iron wire net protection structure of heat exchanger

Technical Field

The utility model relates to the field of heat exchangers, in particular to a wire mesh protection structure of a heat exchanger.

Background

The surface of many heat pumps, air conditioner fin heat exchangers in the existing market all has the protection wire netting structure, and the protection wire netting structure adopts a plurality of closure screw closure, and the installation is connected complicacy, and the operation is not convenient enough, and operating efficiency is low.

Disclosure of Invention

The utility model aims to provide a heat exchanger wire mesh protection structure, which can solve the problem of low installation operation efficiency of a heat exchanger wire mesh.

Embodiments of the utility model may be implemented as follows:

the embodiment of the utility model provides a heat exchanger wire netting protection structure, which comprises a heat exchanger box body, a wire netting and a plurality of lock rods; the heat exchanger box body comprises a first side plate and a second side plate which are opposite in position; the first side plate is provided with a plurality of lock holes at intervals along the length direction of the heat exchanger box body, and the second side plate is provided with a plurality of positioning holes at intervals along the length direction of the heat exchanger box body; the lock holes are arranged in one-to-one correspondence with the positioning holes; the lock bars are fixed on the wire netting in parallel at intervals along the length direction of the wire netting; the middle part of each lock rod is fixed with the wire netting, and the two ends of each lock rod are respectively provided with a locking joint and a positioning plug; the positioning plug is used for being inserted into the positioning hole, and the locking joint is used for being corresponding to and fixed with the lock hole under the condition that the positioning plug is inserted into the positioning hole in place, so that the wire mesh is fixed on the heat exchanger box body.

In addition, the heat exchanger wire mesh protection structure provided by the embodiment of the utility model can also have the following additional technical characteristics:

optionally, the lock rod includes the locking joint, a first arch part, a supporting part, a second arch part and the positioning plug which are connected in sequence; the supporting part is welded and fixed with the wire netting; the first arched part and the second arched part are bent relative to the supporting part, so that a gap is formed between the wire mesh and the heat exchanger box body under the condition that the locking joint and the positioning plug are fixed on the heat exchanger box body.

Optionally, the wire mesh has upper and lower surfaces that are opposite; the lower surface is used for being close to the heat exchanger box body relative to the upper surface under the condition that the lock rod is fixed on the heat exchanger box body; the supporting part with lower surface welded fastening, first arch portion with the second arch portion is all relative the supporting part is towards deviating from the one side of wire netting is buckled.

Optionally, a limiting surface is arranged in front of the positioning hole on the second side plate;

the positioning plug comprises a limiting part and a plug-in part which are connected in sequence; the limiting part is arranged at an included angle with the inserting part, the limiting part is connected with the second arched part, and the limiting part is used for being matched with the limiting surface in the process that the inserting part is inserted into the positioning hole, so that the inserting part is inserted into the positioning hole to stop.

Optionally, the heat exchanger wire mesh protection structure further comprises a rubber tube; the rubber tube wraps the limiting part and the outside of the inserting part, and the rubber tube is used for being in contact with the limiting surface.

Optionally, the positioning plug further comprises a transition portion; the second arch part, the transition part and the limiting part are sequentially connected; the second arch part is bent along the direction deviating from the wire netting relative to the lock rod, the limiting part is bent along the direction approaching to the wire netting relative to the lock rod, the transition part is arc-shaped and is in smooth transition connection with the second arch part and the limiting part, and the inserting part horizontally extends relative to the wire netting.

Optionally, the heat exchanger wire mesh protection structure further comprises a fastening bolt;

the locking joint is in a hook shape, and the fastening bolt passes through the hook-shaped middle space of the locking joint and the lock hole and props against the locking joint so as to prop and fix the locking joint on the first side plate.

Optionally, the locking joint is horizontal to the wire netting setting, the locking joint has be used for with the first face of lockhole surface contact, first face is used for with the locking joint with the lockhole corresponds under the condition with the surface laminating of lockhole.

Optionally, the vertical distance between the locking joint and the wire netting is a first distance, the vertical distance between the positioning plug and the wire netting is a second distance, and the first distance is smaller than the second distance.

Optionally, the lock rod is made of Q235.

The heat exchanger wire mesh protection structure of the embodiment of the utility model has the beneficial effects that:

the heat exchanger wire netting protective structure comprises a heat exchanger box body, a wire netting and a plurality of lock rods; the heat exchanger box body comprises a first side plate and a second side plate which are opposite in position; the first side plate is provided with a plurality of lock holes at intervals along the length direction of the heat exchanger box body, and the second side plate is provided with a plurality of positioning holes at intervals along the length direction of the heat exchanger box body; the lock holes are arranged in one-to-one correspondence with the positioning holes; the lock bars are fixed on the wire netting in parallel at intervals along the length direction of the wire netting; the middle part of each lock rod is fixed with the wire netting, and the two ends of each lock rod are respectively provided with a locking joint and a positioning plug; the positioning plug is used for being inserted into the positioning hole, and the locking joint is used for being corresponding to and fixed with the lock hole under the condition that the positioning plug is inserted into the positioning hole in place, so that the wire gauze is fixed on the heat exchanger box body.

When the device is operated, the positioning plug of each lock rod is correspondingly inserted into the positioning hole, after the positioning plug is inserted into the positioning hole, the locking joint of each lock rod is respectively corresponding to the lock hole, then the locking joint is fixed with the corresponding lock hole, the positioning plug of the lock rod is also fixed with the positioning hole, thus the fixation of the lock rod is completed, and the fixation of the wire netting relative to the heat exchanger box body is completed; the method has the advantages that the method of positioning and fixing firstly can be completed by one hand, meanwhile, the method of splicing and fixing is adopted for combination, the number of fasteners is reduced, the fastening is firmer, and the operation is more efficient; simple structure, protective structure intensity is good, is favorable to mass production, and is efficient, improves the productivity.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic axial side view of an iron wire mesh and a lock rod in a heat exchanger wire mesh protection structure according to an embodiment of the present utility model;

FIG. 2 is a front view of the wire netting and locking bar of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2A;

fig. 4 is a schematic diagram of an unfixed iron wire steel structure of a heat exchanger wire mesh protection structure according to an embodiment of the present utility model;

FIG. 5 is an enlarged view of part of B in FIG. 4;

FIG. 6 is an enlarged view of a portion of C in FIG. 4;

fig. 7 is a schematic structural diagram of a heat exchanger wire mesh protection structure according to an embodiment of the present utility model after fixing wire steel;

FIG. 8 is an enlarged view of part of D in FIG. 7;

fig. 9 is a partial enlarged view of E in fig. 7.

Icon: 10-a wire mesh protection structure of the heat exchanger; 100-a heat exchanger box; 110-a first side plate; 111-lockholes; 120-a second side panel; 121-positioning holes; 122-limit surface; 130-chassis; 140-top cap; 200-wire netting; 210-upper surface; 220-lower surface; 300-locking bar; 310-locking the joint; 311-first side; 320-a first arch; 330-a support; 340-a second arch; 350-positioning a plug; 351-transition; 352-limit part; 353-plug-in portion; 400-rubber tube; 500-fastening bolts.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.

The heat exchanger wire protective structure 10 provided in this embodiment is described in detail below with reference to fig. 1 to 9.

Referring to fig. 1, 2, 3 and 4, an embodiment of the present utility model provides a wire mesh protection structure 10 of a heat exchanger, including a heat exchanger case 100, a wire mesh 200 and a plurality of lock bars 300; the heat exchanger case 100 includes a first side plate 110 and a second side plate 120 opposite to each other; the first side plate 110 is provided with a plurality of lock holes 111 at intervals along the length direction of the heat exchanger box 100, and the second side plate 120 is provided with a plurality of positioning holes 121 at intervals along the length direction of the heat exchanger box 100; the lock holes 111 are arranged in one-to-one correspondence with the positioning holes 121; a plurality of lock bars 300 are fixed on the wire netting 200 at intervals side by side along the length direction of the wire netting 200; the middle part of each lock rod 300 is fixed with the wire netting 200, and the two ends of each lock rod 300 are respectively provided with a locking joint 310 and a positioning plug 350; the positioning plug 350 is used for being inserted into the positioning hole 121, and the locking joint 310 is used for corresponding to and fixing the locking hole 111 when the positioning plug 350 is inserted into the positioning hole 121, so as to fix the wire netting 200 on the heat exchanger box 100.

The heat exchanger wire mesh protection structure 10 provided in this embodiment is used for heat exchangers of heat pumps and air conditioner fins. The heat exchanger box 100 includes a first side plate 110, a second side plate 120, a chassis 130 and a top cover 140, where the first side plate 110, the top cover 140, the second side plate 120 and the chassis 130 are sequentially connected to form a square structure, the top cover 140 is opposite to the chassis 130, the first side plate 110 is opposite to the second side plate 120, and the heat exchanger is installed in the heat exchanger box 100. The wire netting 200 is installed between the first and second side plates 110 and 120.

"the middle portion of the lock lever 300", the portion between both ends of the lock lever 300 can be regarded as the middle portion of the lock lever 300, that is, the portion between the locking joint 310 and the positioning plug 350 can be regarded as the middle portion of the lock lever 300.

In operation, the positioning plug 350 of each lock rod 300 is inserted into the positioning hole 121 correspondingly, after the lock plugs 310 of each lock rod 300 are inserted into place, the locking connectors 310 are respectively corresponding to the locking holes 111, then the locking connectors 310 are fixed with the corresponding locking holes 111, the positioning plug 350 of the lock rod 300 is also fixed with the positioning hole 121, and thus the fixation of the lock rod 300 is completed, and the fixation of the wire netting 200 relative to the heat exchanger box 100 is completed.

By arranging a plurality of lock bars 300 on the wire netting 200, the positioning plugs 350 of the lock bars 300 are inserted and positioned with the positioning holes 121, so that the positioning of the locking joints 310 and the lock holes 111 is realized, and then the positioned locking joints 310 and the lock holes 111 are fixed, so that the installation and the fixation of the wire netting 200 are completed. The method has the advantages that the method of positioning and fixing firstly can be completed by one hand, meanwhile, the method of splicing and fixing is adopted for combination, the number of fasteners is reduced, the fastening is firmer, and the operation is more efficient; simple structure, the protective structure intensity is good, simplifies production operation process, and advantages such as convenient manufacture, equilibrium are good, low cost are favorable to mass production, and is efficient, improves the productivity.

Referring to fig. 2, 3 and 4, in the present embodiment, the lock lever 300 includes a locking joint 310, a first arch portion 320, a supporting portion 330, a second arch portion 340 and a positioning plug 350, which are sequentially connected; the supporting part 330 is welded and fixed with the wire netting 200; the first and second arches 320 and 340 are bent with respect to the supporting portion 330 to form a gap between the supporting wire net 200 and the heat exchanger case 100 in the state that the locking joint 310 and the positioning plug 350 are fixed to the heat exchanger case 100.

Specifically, the supporting portion 330 is horizontally disposed, the first and second arching portions 320 and 340 are each inclined with respect to the supporting portion 330, the first and second arching portions 320 and 340 are symmetrically disposed with respect to the supporting portion 330, the first and second arching portions 320 and 330 and 340 form a trapezoid-like structure, also like an arch-like structure, and arch upward with respect to the heat exchanger case 100 in the case that the locking joint 310 and the positioning plug 350 are fixed to the heat exchanger case 100. By adopting the structure, on one hand, the wire netting 200 is fixed on the supporting part 330, so that a gap is formed between the wire netting 200 and the heat exchanger box body 100, the safety distance between the heat exchanger and the wire netting 200 is effectively increased, the wire netting 200 is prevented from colliding with the heat exchanger, and meanwhile, when the heat exchanger is collided with the outside, the wire netting 200 is collided firstly, so that the heat exchanger is protected; on the other hand, a gap is formed between the wire mesh 200 and the heat exchanger case 100, so that a heat dissipation space can be increased; further, the arch structure can improve the strength of the locking bar 300, and the supporting strength of the wire net 200, thereby improving the strength of the wire net 200.

Referring to fig. 2, 3 and 4, in the present embodiment, the wire 200 has an upper surface 210 and a lower surface 220 opposite to each other; the lower surface 220 is used to approach the heat exchanger case 100 with respect to the upper surface 210 with the lock lever 300 fixed to the heat exchanger case 100; the support 330 is welded to the lower surface 220, and the first and second arches 320, 340 are each bent toward the side facing away from the wire 200 with respect to the support 330.

Referring to the relative positions of fig. 4, the wire 200 is positioned above the locking bar 300, and the locking bar 300 is welded to the lower surface 220 of the wire 200. After the lock rod 300 is fixed on the heat exchanger box body 100, the wire netting 200 is positioned above the lock rod 300, the lock rod 300 has a supporting function on the wire netting 200, and the pulling of welding the wire netting 200 and the lock rod 300 can be reduced, so that the service life is prolonged.

Referring to fig. 2, 3 and 4, in the present embodiment, the second side plate 120 is provided with a limiting surface 122 in front of the positioning hole 121; the positioning plug 350 comprises a limiting part 352 and a plugging part 353 which are connected in sequence; the limiting portion 352 is disposed at an included angle with the inserting portion 353, the limiting portion 352 is connected with the second arch portion 340, and the limiting portion 352 is configured to cooperate with the limiting surface 122 when the inserting portion 353 is inserted into the positioning hole 121, so as to stop the inserting portion 353 from being inserted into the positioning hole 121.

"forward of the positioning hole 121" refers to a position between the first side plate 110 and the positioning hole 121, and the positioning plug 350 is inserted into the positioning hole 121 from the front of the positioning hole 121. When the limiting portion 352 on the positioning plug 350 abuts against the limiting surface 122, the positioning plug 350 cannot be inserted into the positioning hole 121, and the positioning plug 350 is inserted into position relative to the positioning hole 121, and the locking connector 310 corresponds to the locking hole 111. By the cooperation of the limiting portion 352 and the limiting surface 122, the position control of the positioning plug 350 inserted into the positioning hole 121 and the corresponding position determination of the locking joint 310 and the locking hole 111 are realized. The stopper 352 plays a role of positioning.

Specifically, referring to the relative position in fig. 3, the limiting surface 122 is disposed along a vertical direction, the limiting portion 352 is disposed along a vertical direction, and the limiting portion 352 is attached to the limiting surface 122 for stopping.

Referring to fig. 2, 3 and 4, in the present embodiment, the wire mesh protection structure 10 of the heat exchanger further includes a rubber tube 400; the rubber tube 400 wraps the limiting portion 352 and the inserting portion 353, and the rubber tube 400 is used for contacting the limiting surface 122.

The rubber tube 400 is the thermal shrinkage rubber tube 400, and the outside parcel thermal shrinkage rubber tube 400 of spacing portion 352 and grafting portion 353, and under the condition that locating plug 350 inserts locating hole 121, thermal shrinkage rubber tube 400 and spacing face 122 contact, because there is thermal shrinkage rubber tube 400 protection when locating plug 350 and curb plate assembly, can not cut open wire netting 200 protective layer paint because of the terminal surface sharpness of spacing face 122.

Referring to fig. 2, 3 and 4, in the present embodiment, the positioning plug 350 further includes a transition portion 351; the second arch part 340, the transition part 351, and the limit part 352 are connected in sequence; the second arched portion 340 is bent along a direction away from the wire netting 200 relative to the lock lever 300, the limit portion 352 is bent along a direction close to the wire netting 200 relative to the lock lever 300, the transition portion 351 is arc-shaped and is in smooth transition connection with the second arched portion 340 and the limit portion 352, and the inserting portion 353 extends horizontally relative to the wire netting 200.

Referring to the relative position in fig. 3, the second arch portion 340 is inclined from the upper left to the lower right, the transition portion 351 is arc-shaped, the limiting portion 352 is along the vertical direction, and the transition portion 351 is along the horizontal direction.

Referring to fig. 5, 7, 8 and 9, in the present embodiment, the heat exchanger wire protection structure 10 further includes a fastening bolt 500; the locking joint 310 is in a hook shape, and the fastening bolt 500 passes through the hook-shaped middle space of the locking joint 310 and the locking hole 111 and abuts against the locking joint 310 to fix the locking joint 310 against the first side plate 110.

When the center of the locking joint 310 corresponds to the lock hole 111, the fastening bolt 500 is inserted into the lock hole 111, and after the fastening bolt 500 is tightened, the head of the fastening bolt 500 presses the locking joint 310, thereby fixing the locking joint 310 to the first side plate 110.

In this embodiment, the locking joint 310 is horizontally disposed with respect to the wire 200, and the locking joint 310 has a first surface 311 for contacting with the surface of the lock hole 111, and the first surface 311 is for adhering to the surface of the lock hole 111 when the locking joint 310 corresponds to the lock hole 111.

Referring to fig. 1, 5, 7, 8 and 9, the first and second arches 320, 330 and 340 of the lock lever 300 are bent and extended in the vertical direction, the locking joint 310 is bent and extended in the horizontal direction, and after the positioning plug 350 is inserted into the positioning hole 121, the locking joint 310 is attached to the surface of the second side plate 120 in the horizontal direction.

Referring to fig. 2, in the present embodiment, the vertical distance between the locking connector 310 and the wire 200 is a first distance, the vertical distance between the positioning plug 350 and the wire 200 is a second distance, and the first distance is smaller than the second distance.

The positioning plug 350 is further away from the wire netting 200 relative to the locking connector 310, and the relative position of fig. 2 is described, the positioning plug 350 is lower than the position of the locking connector 310, so that the positioning plug 350 can compensate the height difference between the positioning hole 121 and the surface of the lock hole 111, and after the positioning plug 350 is inserted into the positioning hole 121, the locking connector 310 can correspond to the position of the lock hole 111.

In this embodiment, the lock lever 300 is made of Q235. The protection wire 200 is made of a good material, and has good toughness.

Referring to fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, according to the heat exchanger wire mesh protection structure 10 provided in this embodiment, the working principle of the heat exchanger wire mesh protection structure 10 is: the protection wire netting 200 is inserted in the locating hole 121 of second curb plate 120 by the grafting portion 353 that the right-hand member had pyrocondensation rubber tube 400, through spacing portion 352 location, restraint it can not advance any more, can not adjust about also when can not assemble and find the assembly position, influence assembly efficiency, at this moment, wire netting 200 left end pressfitting is on first curb plate 110, locking joint 310 corresponds with lockhole 111, the cooperation closure through locking joint 310 and lockhole 111 is fixed to on first curb plate 110, wire netting 200 can not drop.

The heat exchanger wire netting protective structure 10 that this embodiment provided has following advantage at least:

the method has the advantages that the method of positioning and fixing firstly can be completed by one hand, meanwhile, the method of splicing and fixing is adopted for combination, the number of fasteners is reduced, the fastening is firmer, and the operation is more efficient; simple structure, protective structure intensity is good, is favorable to mass production, and is efficient, improves the productivity.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A heat exchanger wire mesh protective structure, characterized by comprising:

a heat exchanger box (100), the heat exchanger box (100) comprising a first side plate (110) and a second side plate (120) opposite in position; the first side plate (110) is provided with a plurality of lock holes (111) at intervals along the length direction of the heat exchanger box body (100), and the second side plate (120) is provided with a plurality of positioning holes (121) at intervals along the length direction of the heat exchanger box body (100); the lock holes (111) are arranged in one-to-one correspondence with the positioning holes (121);

a wire (200) and a plurality of locking bars (300); a plurality of lock bars (300) are fixed on the wire netting (200) at intervals side by side along the length direction of the wire netting (200); the middle part of each lock rod (300) is fixed with the wire netting (200), and two ends of each lock rod (300) are respectively provided with a locking joint (310) and a positioning plug (350); the positioning plug (350) is used for being inserted into the positioning hole (121), and the locking joint (310) is used for being corresponding to and fixed with the lock hole (111) under the condition that the positioning plug (350) is inserted into the positioning hole (121) in place, so that the wire mesh (200) is fixed on the heat exchanger box body (100).

2. The heat exchanger wire guard structure of claim 1, wherein:

the lock rod (300) comprises the locking joint (310), a first arched part (320), a supporting part (330), a second arched part (340) and the positioning plug (350) which are connected in sequence; the supporting part (330) is welded and fixed with the wire netting (200); the first arched part (320) and the second arched part (340) are bent relative to the supporting part (330) so as to support the wire mesh (200) and the heat exchanger box (100) to form a gap under the condition that the locking joint (310) and the positioning plug (350) are fixed on the heat exchanger box (100).

3. The heat exchanger wire mesh protective structure of claim 2, wherein:

the wire (200) has an upper surface (210) and a lower surface (220) opposite each other; the lower surface (220) is used for approaching the heat exchanger box (100) relative to the upper surface (210) under the condition that the lock rod (300) is fixed on the heat exchanger box (100); the supporting portion (330) is welded and fixed with the lower surface (220), and the first arched portion (320) and the second arched portion (340) are bent towards one side, away from the wire netting (200), relative to the supporting portion (330).

4. The heat exchanger wire mesh protective structure of claim 2, wherein:

a limiting surface (122) is arranged in front of the positioning hole (121) on the second side plate (120);

the positioning plug (350) comprises a limiting part (352) and a plugging part (353) which are connected in sequence; the limiting part (352) is arranged at an included angle with the inserting part (353), the limiting part (352) is connected with the second arched part (340), and the limiting part (352) is used for being matched with the limiting surface (122) in the process that the inserting part (353) is inserted into the positioning hole (121) so as to stop the inserting part (353) from being inserted into the positioning hole (121).

5. The heat exchanger wire guard structure of claim 4, wherein:

the wire mesh protection structure of the heat exchanger further comprises a rubber tube (400); the rubber tube (400) is wrapped outside the limiting part (352) and the inserting part (353), and the rubber tube (400) is used for being in contact with the limiting surface (122).

6. The heat exchanger wire guard structure of claim 4, wherein:

the locating plug (350) further comprises a transition portion (351); the second arched part (340), the transition part (351) and the limit part (352) are connected in sequence; the second arch portion (340) is relative the locking lever (300) is followed and is deviate from the direction of wire netting (200), spacing portion (352) is relative locking lever (300) is followed and is close to the direction of wire netting (200) is buckled, transition portion (351) are arc and smooth transitional coupling second arch portion (340) and spacing portion (352), grafting portion (353) are relative wire netting (200) horizontal extension.

7. The heat exchanger wire guard structure of any one of claims 1-6, wherein:

the heat exchanger wire mesh protection structure further comprises a fastening bolt (500);

the locking joint (310) is in a hook shape, and the fastening bolt (500) passes through the hook-shaped middle space of the locking joint (310) and the lock hole (111) and abuts against the locking joint (310) so as to fix the locking joint (310) on the first side plate (110).

8. The heat exchanger wire guard structure of claim 7, wherein:

the locking joint (310) is horizontally arranged relative to the wire netting (200), the locking joint (310) is provided with a first surface (311) for being in surface contact with the lock hole (111), and the first surface (311) is used for being attached to the surface of the lock hole (111) under the condition that the locking joint (310) corresponds to the lock hole (111).

9. The heat exchanger wire guard structure of claim 8, wherein:

the vertical distance between the locking connector (310) and the wire mesh (200) is a first distance, the vertical distance between the positioning plug (350) and the wire mesh (200) is a second distance, and the first distance is smaller than the second distance.

10. The heat exchanger wire guard structure of any one of claims 1-6, wherein:

the lock rod (300) is made of Q235.