JP2010173572A - Installation structure of dust-protective member and working machine having the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a simple constitution for efficiently performing maintenance, and easily manufacturable, in an installation structure of a dust-protective member of a capacitor for an air conditioner. <P>SOLUTION: The installation structure of a dust net 41 for the capacitor is arranged in a lower part of a capacitor frame 40, and has a rail 43 of an upper-opened shape. The installation structure of the dust net 41 for the capacitor is arranged above the rail 43, and has a cam lock 42 capable of mechanically fixing the dust net 41 for the capacitor to the capacitor frame 40 in a single operation. The cam lock 42 presses the dust net 41 for the capacitor to the capacitor frame 40 side via an installation plate 53 when installing the dust net 41 for the capacitor. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a structure for attaching a dustproof member attached to a condenser for an air conditioner.

  2. Description of the Related Art Conventionally, in a working machine such as a tractor, a configuration in which a dustproof member is attached to a radiator, an air conditioner condenser, or the like disposed in the vicinity of an engine is known. Patent Document 1 and Patent Document 2 disclose such dust-proof members.

  In patent document 1, the following structures are disclosed in the attachment structure of the dust-proof member of a radiator. That is, screen guides are arranged on the left and right sides of the radiator support member that supports the radiator, and the screen as a dustproof member is supported by the screen guide. This screen is attached by inserting the screen into the screen guide from above. In Patent Document 1, a structure that is substantially the same as the structure of attaching the dust-proof member of the radiator described above is used in the structure of attaching the dust-proof member of the capacitor.

  Patent Document 2 discloses the following configuration in a radiator dustproof device for a work vehicle including a dustproof net on the front surface of a radiator that cools engine coolant. That is, the radiator dustproof device disclosed in Patent Document 2 is provided with a guide body that guides the dustproof net so that it can be inserted and removed in the vertical direction, and the guide body can be tilted toward the front of the machine body. With this configuration, Patent Document 2 tilts the guide body that supports the dust-proof member toward the front of the machine body so that the upper part of the dust-proof mesh can be separated from the open hood that covers the top of the engine. It is said that the insertion / removal work can be performed smoothly.

JP 2008-195175 A JP 2007-146753 A

  The dustproof member mounting structure disclosed in Patent Document 1 is configured such that the dustproof member is supported by a guide that guides the dustproof member so that the dustproof member can be inserted and removed in the vertical direction. Since the left and right guides have a pair of wall portions that sandwich the dust-proof member in the front-rear direction, the front and rear portions are disposed between the dust-proof member and the object to be dust-protected (radiator, condenser, etc.) by the amount of the wall portion. A gap in the direction is formed. When a gap is formed between the dust-proof member and the object, dust such as sawdust and dust may enter from there, and the object may not be effectively protected from dust. . In addition, it is necessary to form a slight gap between the wall portion of the guide and the dustproof member so that the dustproof member can be smoothly inserted and removed. Accordingly, there is a possibility that dust may enter from the gap between the guide and the dustproof member, or that the dust of the dustproof member may cause noise due to vibration during traveling of the work implement.

  On the other hand, the configuration of Patent Document 2 needs to have a structure for tilting the guide body, which complicates the attachment structure of the dustproof member, and it is difficult to effectively reduce the manufacturing cost. Further, since the guide body is fixed at the mounting position by magnetic attraction of the magnet, there is a possibility that the guide body may be unfixed due to vibration during traveling. If the guide body is unlocked during traveling, it is not only impossible to prevent dust, but there is also a risk of colliding with peripheral devices and causing damage to other devices.

  Further, the working machine may be configured such that a condenser for an air conditioner is disposed on the front side of the radiator. In such a configuration, dust easily collects on the dust-proof member of the capacitor disposed on the front surface side, so it is necessary to frequently perform maintenance on the dust-proof member of the capacitor. Therefore, improvement in maintainability of the dustproof member used for the capacitor has been particularly desired.

  The present invention has been made in view of the above circumstances, and an object thereof is a simple structure that can efficiently perform maintenance and can be easily manufactured in a dust-proof member mounting structure for an air conditioner capacitor. To provide a configuration.

Means and effects for solving the problems

  The problems to be solved by the present invention are as described above. Next, means for solving the problems and the effects thereof will be described.

  According to the 1st viewpoint of this invention, the following structures are provided in the attachment structure for attaching a dust-proof member to the capacitor | condenser support part which supports the capacitor | condenser for air conditioners. That is, the dust-proof member mounting structure includes a dust-proof member support portion that is disposed at a lower portion of the capacitor support portion and is open at the top. In addition, the dustproof member mounting structure includes a fixing unit that is disposed above the dustproof member support portion and can mechanically fix the dustproof member to the capacitor support portion with a single touch.

  Thereby, attachment of the dustproof member used for a capacitor can be performed by one touch, and the efficiency of attachment work can be improved. Further, the dustproof member can be easily detached from the capacitor support portion by releasing the fixation of the fixing means, tilting the dustproof member so that the dustproof member support portion serves as a fulcrum, and pulling upward. Therefore, even when a large space cannot be secured around the capacitor, the maintenance work can be performed efficiently. Further, since the dustproof member is supported by the dustproof member support portion and is fixed by a fixing means disposed above the dustproof member support portion, the workability can be improved and the manufacturing cost can be reduced.

  In the dustproof member mounting structure, it is preferable that the fixing means press the dustproof member against the capacitor support portion when the dustproof member is mounted.

  Thereby, in the state which attached the dust-proof member to the capacitor | condenser support part, since the said dust-proof member is pressed on the capacitor | condenser support part side, the clearance gap formed between both can be made small. Therefore, it is possible to prevent dust and the like from accumulating in the gap between the dust-proof member and the capacitor support portion, and generating noise due to the dust-proof member fluttering.

  The dustproof member mounting structure is preferably configured as follows. That is, the dust-proof member has a dust-proof member frame that covers the end of the dust-proof member, and an attachment portion for fixing the dust-proof member with the fixing means. The mounting portion is disposed on a side opposite to the side facing the capacitor support portion of the dustproof member frame.

  Thereby, since the dustproof member frame is attached so as to directly face the capacitor support portion, there is no gap between the dustproof member and the capacitor support portion, and the dustproof effect can be further improved. In addition, when the worker mistakenly attaches the dustproof member to the front and back, a gap is generated between the dustproof member and the capacitor support portion, so that it can be easily grasped that the mounting direction is wrong.

  The dustproof member mounting structure is preferably configured as follows. That is, at least one fixing means is disposed on the left side and at least one on the right side of the capacitor support portion. The fixing means is arranged so that the height differs on the left and right. The dust-proof member has an attachment portion for fixing the dust-proof member with the fixing means, and the attachment portion is arranged so as to correspond to an arrangement place of the fixing means arranged so as to have a different height. ing.

  As a result, even if the operator tries to attach the dustproof member upside down, the fixing means and the mounting portion are not aligned, so that the dustproof member may be attached to the capacitor support portion in the wrong orientation. Can be prevented.

  According to the 2nd viewpoint of this invention, a working machine provided with the attachment structure of the said dustproof member is provided.

  Thereby, the maintenance work of the capacitor provided in the working machine can be efficiently performed.

The side view of the tractor concerning one embodiment of the present invention. The perspective view which showed a part of engine front side in a bonnet. The perspective view which showed the state which attached the dustproof net for capacitors to the capacitor. The front view which showed the state which attached the dustproof net for capacitors to the capacitor. The enlarged side view which showed the mode of the attachment plate arrange | positioned at a net frame. The disassembled perspective view which showed a mode that the dustproof net for capacitors was attached to a capacitor | condenser frame. The enlarged front view which showed the mode of the cam lock of a cancellation | release state. The enlarged front view which showed the mode of the cam lock of a fixed state, and AA sectional arrow directional view. The side view which showed the operation | work which attaches the dustproof net for capacitors to a capacitor | condenser frame.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a side view showing a tractor 10 according to an embodiment of the present invention. FIG. 2 is a perspective view showing a part of the front side of the engine 19 in the bonnet 20. In the following description, “left side”, “right side”, and the like simply mean the left side and the right side in the direction in which the tractor 10 moves forward.

  A tractor 10 as a farm work vehicle (work machine) shown in FIG. 1 is configured so that various devices such as a plow, a harrow, a loader, and the like can be mounted as necessary to perform various types of work. Yes. A front wheel 14 and a rear wheel 15 are arranged before and after the tractor 10. A bonnet 20 is disposed at the front of the tractor 10, and the bonnet 20 is configured to be openable and closable so that the inside can be exposed.

  An engine 19 is accommodated in the bonnet 20. The engine 19 is supported by a frame (not shown) included in the tractor 10 directly or via a vibration isolation member. A cabin 16 that constitutes a driving space is disposed behind the hood 20, and an operation unit and a seat unit (not shown) for performing various operations are provided inside the cabin 16. . An operator of the tractor 10 can perform a traveling operation or the like of the tractor 10 via the operation unit.

  The engine 19 has a crankshaft extending in the front-rear direction, and is configured to be able to transmit the rotational power of the crankshaft to each part. The crankshaft protrudes forward from the cylinder block of the engine 19, and an unillustrated pulley and belt for rotationally driving the cooling fan 28 are disposed at the end of the crankshaft. A flywheel (not shown) is fixed to the rear end of the crankshaft, and the rotation of the flywheel is transmitted to a power transmission mechanism such as a gear built in a transmission case (not shown) via a clutch and a shaft. After being appropriately shifted, it is transmitted to the front wheel 14 and the rear wheel 15 or the like.

  As shown in FIGS. 1 and 2, various facilities such as a radiator 22, a sub tank 26, a capacitor 23, a receiver dryer 24, a battery 27, and an air cleaner 29 are provided on the front side of the engine 19 in the bonnet 20. Is arranged. These devices are arranged on the upper surface side of a plate-like mounting plate 21 fixed to the frame of the tractor 10. As shown in FIG. 2, the front end portion of the mounting plate 21 has a slightly rounded shape in plan view, and is configured so that the overall contour is substantially U-shaped.

  The radiator 22 is supported by a radiator frame 39 fixed to the mounting plate 21 in an upright state. Further, the radiator 22 has a circulation path for circulating the cooling water in the water jacket of the engine 19. A cooling core, an upper tank, a lower tank, and the like are disposed in the circulation path of the radiator 22. The cooling core is composed of tubes, fins, and the like, and is sandwiched between the upper tank and the lower tank in the vertical direction. The upper tank and the lower tank are connected by a tube of a cooling core, and each is connected to a water jacket of the engine 19 via a pipe or the like. Further, a sub tank 26 for storing cooling water for the overflow of the radiator 22 is disposed in the vicinity of the radiator 22. The cooling water sent from the engine 19 side is cooled by passing through this circulation path, and returned to the engine 19 side again.

  A radiator dust-proof net 71 is disposed on the front side of the radiator 22 to protect the radiator 22 from dust such as sawdust, dust, and insects. This radiator dust-proof net 71 is attached to a radiator frame 39 that supports the radiator 22.

  In the tractor 10 of the present embodiment, a condenser 23 is disposed on the front side of the radiator 22, and a cooling fan 28 (FIG. 1) is disposed on the rear side. A battery 27 is arranged on the further front side of the capacitor 23. An air cleaner 29 is disposed above the capacitor 23 via a bracket. The air cleaner 29 is connected to the engine 19 by a hose and constitutes a part of the intake structure of the engine 19.

  Next, the air conditioner with which the tractor 10 of this embodiment is provided is demonstrated. The air conditioner is an apparatus capable of cooling the cabin 16 and includes a condenser 23, a receiver dryer 24, a compressor, an expansion valve, and an evaporator as main components.

  The condenser 23 is a heat exchanger that includes, as main components, a tube through which a high-pressure liquid refrigerant passes and fins that are formed of a corrugated type or a plate type around the tube. The said tube is arrange | positioned so that it may meander in the left-right direction or the up-down direction between several fins arrange | positioned in parallel.

  On the upper surface of the mounting plate 21, a rectangular capacitor frame 40 composed of two vertical members and horizontal members is fixed to the mounting plate 21 in an upright state. The capacitor 23 is supported (fixed) around the top, bottom, left, and right of the capacitor 23. A capacitor dust-proof net 41 for protecting the capacitor 23 from dust is attached to the front surface of the capacitor frame 40. The details of the mounting structure of the capacitor dustproof net 41 will be described later.

  The receiver dryer 24 is attached to the side (right side) of the vertical member of the capacitor frame 40 via a bracket (not shown). The receiver dryer 24 is connected to the capacitor 23 and to the expansion valve. The compressor is connected to a capacitor 23 via a pipe (not shown). This compressor is disposed on the front of the engine 19 and is driven by the engine 19. The expansion valve and the evaporator are attached to the ceiling portion inside the cabin 16.

  With this configuration, the compressor is driven via the V-belt by the driving force of the engine 19 so that the refrigerant gas is compressed and sent to the condenser 23 in a high-temperature and high-pressure semi-liquid state. In the condenser 23 to which the compressed gas is sent, the refrigerant is cooled, liquefaction is promoted, and the refrigerant is sent to the receiver dryer 24. The receiver dryer 24 separates the refrigerant that could not be liquefied and removes moisture and impurities with a desiccant, a strainer, and the like. As a result, only the liquid refrigerant is sent to the expansion valve via the pipe. The expansion valve reduces the pressure by injecting the refrigerant, and the evaporator takes away the surrounding heat when the mist-like refrigerant (liquid) is vaporized. When air is blown to the cooled evaporator by the indoor fan, the air is cooled and the cabin 16 can be cooled. The vaporized refrigerant exiting the evaporator is returned to the compressor, compressed again and liquefied, and the cooling cycle is repeated.

  Next, with reference to FIGS. 3 to 7, the details of the mounting structure of the dustproof net 41 for capacitors will be described. FIG. 3 is a perspective view showing a state where the capacitor dust-proof net 41 is attached to the capacitor 23. FIG. 4 is a front view showing a state where the capacitor dust-proof net 41 is attached to the capacitor 23. FIG. 5 is an enlarged side view showing a state of the mounting plate 53 arranged on the net frame 52. FIG. 6 is an exploded perspective view showing the manner in which the capacitor dust-proof net 41 is attached to the capacitor frame 40. FIG. 7 is an enlarged front view showing the cam lock 42 in the released state. FIG. 8A is an enlarged front view schematically showing a state where the capacitor dust-proof net 41 is fixed by the cam lock 42. Moreover, FIG.8 (b) is an AA cross-section arrow line view of Fig.8 (a).

  The capacitor 23 is supported by a capacitor frame 40 composed of left and right vertical members and upper and lower horizontal members. As shown in FIGS. 3 and 4, a rail 43 serving as a receiving member extending in the left-right direction is disposed on the lower lateral member of the capacitor frame 40. The rail 43 is fixed to the front surface of the transverse member, and the rail 43 is formed in a U-shape with the top opened in a side view.

  As shown in FIGS. 3 and 4, cam locks (rotation locks, fixing means) 42 are arranged on the left and right vertical members of the capacitor frame 40 so that the heights in the vertical direction are different on the left and right. In this embodiment, the mounting position of the right cam lock 42 is configured to be lower than the mounting position of the left cam lock 42. Each cam lock 42 is attached so as to protrude forward from the capacitor frame 40.

  The cam lock 42 of the present embodiment has an operation tool 44 for an operator to perform an operation. The operation tool 44 is formed in a flat plate shape, and is configured to be rotatable about an axis extending in the longitudinal direction of the machine body, as shown in the front view of FIG. Further, the operation tool 44 can be rotated so as to bend at a right angle from the mounting portion of the cam lock 42 main body portion. The operator can switch the state of the cam lock 42 between the released state shown in FIG. 7 and the fixed state shown in FIG. 8A by pinching and operating the operation tool 44. In the unlocked cam lock 42, as shown in FIG. 7, the planar portion of the operation tool 44 faces in the up-down direction in front view. On the other hand, as shown in FIG. 8A, the fixed cam lock 42 has the plane portion of the operation tool 44 facing the front.

  In this configuration, for example, when the cam lock 42 is operated from the released state to the fixed state, the following procedure is performed. The operator rotates the operation tool 44 to the position of the chain line so that the longitudinal direction of the operation tool 44 is perpendicular to the capacitor frame 40 with the capacitor dust-proof net 41 attached to the capacitor frame 40. Next, from this state, the operation tool 44 is tilted to one side in the left-right direction so that the plane portion of the operation tool 44 faces the front (the state shown in FIGS. 8A and 8B). . As a result, the cam lock 42 is in a fixed state. The cam lock 42 of this embodiment includes a spring 45. When the operation tool 44 is operated to the fixed state side, the spring 45 moves the operation tool 44 closer to the capacitor frame 40 (FIG. 8B). The direction of the arrow shown in FIG.

  On the other hand, a capacitor dustproof net 41 attached to the capacitor frame 40 includes a net (dustproof net) 51, a net frame (dustproof member frame) 52 for holding the net 51, a mounting plate (attachment portion) 53, have. The net 51 is formed in a size that can cover the entire front surface of the capacitor 23. The net frame 52 is configured in a rectangular shape so as to cover the end of the net 51, and includes a vertical member extending in the vertical direction and a horizontal member extending in the horizontal direction. A mounting plate 53 is disposed on each of the left and right vertical members of the net frame 52.

  As shown in the front view of FIG. 4, the left and right attachment plates 53 are formed of a substantially rectangular plate-like member, and are attached in a state where a part protrudes from the net frame 52 to the left and right outer sides. The mounting plate 53 is disposed so as to correspond to the mounting position of the cam lock 42 disposed on each of the left and right sides of the capacitor frame 40. Accordingly, the left and right mounting plates 53 are arranged so that the heights in the vertical direction are different, specifically, the mounting position of the right mounting plate 53 is lower than the mounting position of the left mounting plate 53. Is done.

  As shown in FIG. 5, the attachment plate 53 is attached to the front side of the net frame 52. Here, the net frame 52 is attached to the capacitor frame 40 so that the rear surface side faces the capacitor frame 40. Therefore, the mounting plate 53 is disposed on the surface opposite to the mounting surface of the net frame 52 with respect to the capacitor frame 40.

  Further, as shown in FIG. 4 and the like, a long hole-like insertion hole 54 extending in the left-right direction is formed in a substantially central portion of the mounting plate 53. The insertion hole 54 is configured to allow the operation tool 44 of the cam lock 42 in a horizontally oriented state (the release state) to pass therethrough.

  With this configuration, the capacitor dust-proof net 41 is attached to the front side of the capacitor frame 40 that supports the capacitor 23. Next, with reference to FIG. 9, the work of attaching the dustproof net 41 for capacitors will be described in order.

  As shown in FIG. 9A, the operator inserts the dust-proof net 41 for the capacitor into the front side of the capacitor frame 40 from the upper side in a posture inclined slightly from the vertical, and the lower edge thereof (the lower side of the net frame 52). Is inserted into the groove portion of the rail 43 from above. The operation tool 44 of the cam lock 42 is set in a horizontal state (released state) in advance. Next, as shown in FIG. 9B, the upper part of the capacitor dustproof net 41 is moved to the rear side (capacitor frame 40 side) while the lower part of the capacitor dustproof net 41 is supported by the rail 43. Thereby, the operation tool 44 of the cam lock 42 passes through the insertion holes 54 of the left and right mounting plates 53.

  After bringing the net frame 52 into contact with or close to the capacitor frame 40, the operator pinches the operation tool 44 of the left and right cam locks 42 and turns it from the horizontal direction to the vertical direction, as shown in FIG. 9C. As a result, the operation tool 44 is perpendicular to the insertion hole 54. Next, from this state, as shown in FIG. 9D, the operation tool 44 is tilted so that the plane portion of the operation tool 44 faces the mounting plate 53 (the state shown in FIG. 8A). To do. As a result, the planar portion of the operation tool 44 presses the entire mounting plate 53 and cannot be removed from the insertion hole 54. As described above, the condenser dust-proof net 41 can be mechanically fixed (locked) to the capacitor frame 40 by a simple operation by simply turning and turning the operation tool 44 of the cam lock 42.

  Further, the operation tool 44 of the cam lock 42 moves to the capacitor frame 40 side in accordance with the switching operation from the released state to the fixed state, and the mounting plate 53 is pressed against the capacitor frame 40 side (rear surface side) by the operation tool 44. As a result, the capacitor frame 40 and the net frame 52 are in close contact with each other, and the capacitor dust-proof net 41 can be attached to the capacitor frame 40 without a gap.

  Further, the capacitor dustproof net 41 can be easily removed by following the reverse procedure of the above-described mounting operation. Specifically, the operation tool 44 in the fixed state shown in FIGS. 8A and 9D is raised to the state shown in FIG. 9C. Next, the operation tool 44 of the cam lock 42 is turned from the vertical direction to the horizontal direction so that the longitudinal direction of the operation tool 44 faces the longitudinal direction of the insertion hole 54 as shown in FIG. As a result, the operation tool 44 is allowed to pass through the insertion hole 54 of the mounting plate 53, and the force pressing the capacitor dustproof net 41 is released. As described above, even in the removing operation, the fixed state of the dust-proof net 41 for capacitors can be released with one touch. Next, the condenser dust-proof net 41 is tilted slightly forward so that the operation tool 44 of the cam lock 42 is removed from the insertion hole 54 of the mounting plate 53. Thereafter, the capacitor dustproof net 41 can be removed from the capacitor frame 40 by pulling the lower edge portion of the capacitor dustproof net 41 upward from the rail 43.

  As described above, the mounting structure of the capacitor dust-proof net 41 of the present embodiment is configured as follows. In other words, the capacitor dustproof net 41 mounting structure includes a rail 43 that is disposed at the bottom of the capacitor frame 40 and is open at the top. The capacitor dustproof net 41 mounting structure includes a cam lock 42 that is disposed above the rail 43 and can mechanically fix the capacitor dustproof net 41 to the capacitor frame 40 with one touch.

  Thereby, attachment of the dustproof net 41 for capacitors can be performed by one touch, and the efficiency of attachment work can be improved. Further, by releasing the fixation of the cam lock 42 and tilting it with the rail 43 as a fulcrum and pulling out the capacitor dust-proof net 41 upward, the capacitor dust-proof net 41 can be removed from the capacitor frame 40. Therefore, even when a large space cannot be secured around the capacitor 23, the maintenance work can be performed efficiently. Furthermore, since the dust-proof net 41 for capacitors is supported by the rail 43 and is fixed by the cam lock 42 disposed above the rail 43, improvement in workability and reduction in manufacturing cost can be achieved.

  Further, in the mounting structure of the capacitor dustproof net 41 according to the present embodiment, the cam lock 42 presses the capacitor dustproof net 41 against the capacitor frame 40 via the mounting plate 53 when the capacitor dustproof net 41 is mounted. It is configured.

  Thereby, in the state where the dustproof net 41 for capacitors is attached to the capacitor frame 40, the gap formed between them can be reduced. Therefore, it is possible to prevent dust and the like from accumulating in the gap between the capacitor dust-proof net 41 and the capacitor frame 40 and noise from being generated due to fluttering of the capacitor dust-proof net 41.

  Moreover, the mounting structure of the dustproof net 41 for a capacitor according to the present embodiment is configured as follows. That is, the capacitor dust-proof net 41 includes a net frame 52 that covers the end of the net 51, and a mounting plate 53 for fixing the capacitor dust-proof net 41 with the cam lock 42. The mounting plate 53 is disposed on the opposite side (front side) of the net frame 52 to the side facing the capacitor frame 40.

  Thereby, since the net frame 52 is attached so as to directly face the capacitor frame 40, no gap is formed between the capacitor dustproof net 41 and the capacitor frame 40, and the dustproof effect can be further improved. In addition, if the worker mistakenly attaches the dust-proof net 41 for the capacitor upside down, a gap is created between the dust-proof net 41 for the capacitor and the capacitor frame 40, so it is easy to grasp that the mounting direction is wrong. it can.

  Moreover, the mounting structure of the dustproof net 41 for a capacitor according to the present embodiment is configured as follows. That is, one cam lock 42 is disposed on each of the left and right sides of the capacitor frame 40. The two cam locks 42 are arranged so that the height is different on the left and right. The dust-proof net 41 for a capacitor has a mounting plate 53 for fixing the dust-proof net 41 for a capacitor with a cam lock 42, and the mounting plate 53 is disposed at a place where the cam lock 42 is disposed so as to have a different height. It is arranged to correspond.

  As a result, even when the operator tries to attach the dustproof net 41 for the capacitor to the opposite side, the positions of the cam lock 42 and the mounting plate 53 do not match, so the dustproof net 41 for the capacitor is attached to the capacitor frame 40 in the wrong direction. It can be prevented from being attached in advance.

  Further, the tractor 10 of the present embodiment includes a mounting structure for the capacitor dustproof net 41.

  Thereby, the maintenance work of the capacitor | condenser 23 with which the tractor 10 is provided can be performed efficiently.

  Although the preferred embodiment of the present invention has been described above, the above configuration can be further modified as follows.

  In the said embodiment, although the single rail 43 is used as a dust-proof member support part which supports the dust-proof net | network 41 for capacitors, the structure of a dust-proof member support part can be suitably changed according to a situation. For example, it can change to the structure which supports the dust-proof net | network 41 for capacitors with a some support member. Furthermore, the shape of the dust-proof member support portion is not limited to the U shape, and can be changed to various shapes such as a C shape, a J shape, and a hook shape.

  Moreover, in the said embodiment, although the cam lock 42 is employ | adopted as a fixing means which fixes the dustproof net 41 for capacitors, it can change into fixing means other than a cam lock.

  In addition to the above-described embodiment, a deformable seal member may be disposed on at least one of the net frame 52 and the capacitor frame 40. With this configuration, since the sealing member can be deformed between the capacitor frame 40 and the net frame 52 to fill the gap in the mounted state, the adhesion between the capacitor frame 40 and the net frame 52 can be further enhanced. it can.

10 Tractor (work machine)
23 Capacitor 40 Capacitor frame (capacitor support)
41 Dust-proof net for capacitors (dust-proof material)
43 Rail (Dust-proof member support)
42 Cam lock (fixing means)
52 Net frame (dustproof material frame)
53 Mounting plate (Mounting part)

Claims (5)

In the dustproof member mounting structure for attaching the dustproof member to the capacitor support part that supports the capacitor for the air conditioner,
A dust-proof member support portion disposed in a lower portion of the capacitor support portion and having an open top;
A fixing means disposed above the dust-proof member support, and capable of mechanically fixing the dust-proof member to the capacitor support with a single touch;
A structure for attaching a dustproof member, comprising: The dust-proof member mounting structure according to claim 1,
The mounting structure for a dustproof member, wherein the fixing means presses the dustproof member against the capacitor support portion when the dustproof member is mounted. A dustproof member mounting structure according to claim 1 or 2,
The dust-proof member is
A dust-proof member frame covering an end of the dust-proof member;
An attachment portion for fixing the dustproof member with the fixing means;
Have
The attachment structure for a dustproof member, wherein the attachment portion is disposed on a side opposite to a side facing the capacitor support portion of the dustproof member frame. A dustproof member mounting structure according to any one of claims 1 to 3,
The fixing means is arranged at least one on the left side of the capacitor support part and at least one on the right side, respectively.
The fixing means is arranged so that the height differs on the left and right,
The dust-proof member has an attachment portion for fixing the dust-proof member with the fixing means, and the attachment portion is arranged so as to correspond to an arrangement place of the fixing means arranged so as to have a different height. A dustproof member mounting structure characterized by that.   A working machine comprising the dustproof member mounting structure according to any one of claims 1 to 4.

Images