JP2012071689A - Assembling method of air conditioner and tool used for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an assembling method of an air conditioner which enables the precise assembly with a simple constitution.SOLUTION: Together with a tool 30, end edges 11c of gear members 11 situated at resin-made sleeves 6, 6 of an air-mix door 25 and an end 10a of a drive shaft member 10 are respectively inserted in slide grooves 7, 7 and a bearing part 12 which are formed on an inside surface 3a of a left side air-conditioning case 3 mounted on a working bench WA and brought into a half mounted state. A leg 32 of the tool 30 abuts on a part corresponding to the base of flat slide recessed groove holding a heat exchanger 20a provided to the inside surface 3a of a left side air-conditioning case 3. The drive shaft member 10 and an air-mix door 25 temporarily fixed by the tool 30 in which an inclination angle is restricted at two parts of a locating end surface part 33b and an abutting surface part 32a of the leg 32 at regular intervals L1, is erected so as to be accurately vertical to the inside surface 3a.

Description

  The present invention mainly relates to a method for assembling an air conditioner used in a vehicle such as an automobile and a jig used in the assembling method, and in particular, an air conditioner capable of accurately incorporating a slide door at a desired position in an air conditioning case. The present invention relates to an apparatus assembly method and a jig used in the assembly method.

  Conventionally, as shown in FIG. 8, an assembling method of a vehicle air conditioner and a jig used in the assembling method are known (see, for example, Patent Document 1).

  First, the structure of the vehicle air conditioner will be described. The vehicle air conditioner 1 has a substantially box-shaped hollow shape in an assembled state, and serves as a housing for housing a heat exchanger or the like. When the body 2 is in the case separation state, the dividing line P.P. L. It has mainly left and right air-conditioning cases 3 and 4 that are divided into two substantially left and right.

  An air mix door 5 is housed inside the air conditioning unit housing 2 so that the ratio at which cold air and warm air are mixed can be adjusted by opening and closing the ventilation opening 2a.

  This air mix door 5 has a substantially rectangular shape when viewed from the front, and resin sleeves 6, 6... Are mounted as engaged portions for reducing the frictional force during sliding sliding at the four corners.

  Further, slide groove portions 7, 7,... As rail portions are formed in the inner side surfaces 3a, 4a of the left and right air conditioning cases 3, 4, respectively.

  These resin sleeves 6, 6... Are respectively engaged with these slide groove portions 7, 7,... So as to be slidable, and face each other in the air conditioning unit housing 2 in the assembled state. Thereby, it is comprised so that the said air mix door 5 may be supported by the vehicle width direction right and left.

  A pair of rack portions 8 are formed on the left and right sides of one side of the air mix door 5 along the upper and lower directions of the left and right side edges.

  Gear positioning recesses 9 and 9 are respectively formed in the rack portions 8 and 8 at approximately the center in the vertical direction.

  Furthermore, gear members 11 and 11 fixed in the vicinity of the left and right end portions 10a and 10b of the drive shaft member 10 are meshed with the rack portions 8 and 8 of the air mix door 5, respectively.

  Both end portions 10a and 10b of the drive shaft member 10 are respectively inserted into bearing portions 12 and 12 which are recessedly formed in the inner side surfaces 3a and 4a of the left and right air conditioning cases 3 and 4, respectively. Therefore, it is configured to be rotatably supported.

  In addition, as shown in FIG. 9, a part of these gear members 11 and 11 are known in which alignment convex portions 11a and 11a are formed to project.

  When the drive shaft members 10 and 10 are housed in the air conditioning unit housing 2 together with the air mix door 5, the gear position is set so that the air mix door 5 is in the initial slide direction position. These alignment convex portions 11a and 11a are engaged with the alignment concave portions 9 and 9 so as to be positioned at a substantially central portion of the ventilation opening 2a, and on the left and right sides in the vehicle width direction, the gear members 11 and 11 are disposed. And the rack portions 8 and 8 are different from each other and the upper and lower positions are displaced, so that the air mix door 5 is evenly mounted so as not to be inclined.

  Next, the function and effect of the conventional air conditioner 1 will be described mainly focusing on the assembly method.

  In the conventional air conditioner 1 configured as described above, as shown in FIG. 10, the gear member 11 provided in the vicinity of both end portions 10a and 10b of the drive shaft member 10 is similar to the alignment convex portions 11a and 11a. , 11 are formed in a projecting manner integrally with a pair of rotational alignment protrusions 11f, 11f.

  And these rotational alignment convex parts 11f, 11f... Are engaged with the gear alignment engaging concave parts 9, 9 on one side surface where the rack parts 8, 8 of the air mix door 5 are formed. The

  In addition, an insertion hole 16 through which the cylindrical insertion shaft portion 15 of the jig 14 is inserted is formed in the center of the drive shaft member 10 in the longitudinal direction.

  Then, in the temporary holding recess 17 formed on one side surface of the air mix door 5, the end portion 15a of the insertion shaft portion 15 inserted through the insertion hole 16 is inserted and temporarily fixed. A pair of rotation alignment protrusions 11f, 11f,... Are engaged with the gear alignment engagement recesses 13, 13, respectively, so that the gear members 11, 11 and the rack portions 8, 8 are engaged. In the initial position, they are meshed and integrated with each other without causing left and right shifts.

  For this reason, as shown in FIG. 8, when the left and right air conditioning cases 3 and 4 are combined, by inserting both end portions 10a and 10b of the drive shaft member 10 into the bearing portions 12 and 12, The resin sleeves 6, 6... On both side edges of the air mix door 5 are slidably engaged along the slide groove portions 7, 7 formed in the inner side surfaces 3a, 4a.

  When the air mix door 5 is assembled in the air conditioning unit housing 2, the gears 11, 11 and the rack portions 8, 8 are engaged by the jig 14 so that they cannot move. It has been.

  For this reason, right and left meshing deviation does not occur, and the air mix door 5 does not tilt, but is at an appropriate initial position of the ventilation opening 2a in the air conditioning unit housing 2, for example, approximately in the center in the upward and downward directions. Mounted in position.

  Thus, after the left and right air conditioning cases 3 and 4 are assembled and assembled, the jig 14 is removed from the air conditioning unit housing 2 and is driven by the jig 14. The shaft member 10 is allowed to rotate.

  Therefore, the rotational driving force of the gear members 11, 11 is converted into a substantially linear slide movement direction along the slide groove portions 7, 7 by the rack portions 8, 8 that mesh with each other, and the air mix door 5 is moved. The sliding movement is made to a desired position in the ventilation opening 2a.

  Further, the resin sleeves 6, 6... Of the air mix door 5 are smoothly slidably contacted with little backlash in the slide groove portions 7, 7.

  Accordingly, the ventilation opening 2a located in the air flow path is smoothly opened and closed by the slide movement position of the air mix door 5, and the cold air and the warm air are mixed inside the air conditioning unit housing 2. The ratio is adjusted to adjust the temperature.

  As shown in FIG. 11, the slide groove portions 7 and 7 are formed in the air mix door 5 in advance so as to be united together with the drive shaft member 10 and the drive shaft member 10. A door unit member 18 is also known.

  In such a configuration, a pair of slide groove portions 7 and 7 for slidably engaging the air mix door 5 and bearing portions 12 and 12 of the drive shaft member 10 are integrally provided on the resin frame 19. In addition, a certain strength is provided that allows the sliding operation of the air mix door 5 to be performed by the door unit member 18 alone by the periphery of the portion corresponding to the ventilation opening 2a and the reinforcing member 19b. Has been.

Japanese Patent Laid-Open No. 2004-210034

  In the assembling method and the jig 14 of the conventional air conditioner 1 configured as described above, the insertion shaft portion 15 of the jig 14 is inserted into the insertion hole 16 provided at substantially the center in the longitudinal direction of the drive shaft member 10. Thus, the meshing positions of the gear members 11, 11 provided in the vicinity of both end portions 10a, 10b with the rack portion 8 are temporarily fixed.

  For this reason, when the meshing positions of the gear members 11 and 11 with the rack portions 8 and 8 are shifted in the opening and closing direction, any one of the closed ends (for example, MAXCool or MAXHot) of the ventilation opening 2a, etc. There was a possibility that the degree of sealing would be reduced.

  Further, when the meshing positions are different between the left and right rack portions 8, 8, the air mix door 5 tilts, and the resin sleeves 6, 6 coincide with the slide groove portion 7 of the other left air conditioning case 3 or the like. There was also a problem that the assembly workability deteriorated.

  Further, in the case where the drive shaft member 10 and the air mix door 5 are integrated as a unit like the door unit member 18 shown in FIG. 11, the frame body 19 that pivotally supports the drive shaft member 10 in advance. The slide groove portions 7 and 7 as rail portions for sliding the air mix door 5 slidably must be formed in a concave manner.

  For this reason, the frame body 19 is required to have a certain strength for maintaining the rail portion even in a single state of the door unit member 18 such as the periphery of the portion corresponding to the ventilation opening 2a and the reinforcing member 19b, and the air conditioning unit When the door unit member 18 is mounted inside the housing 2 or the like, there is a problem that excessive members are generated.

  Then, this invention makes it a subject to provide the jig | tool used for the assembly method of this air conditioning apparatus which can be assembled correctly with a simple structure, and this assembly method.

  In order to solve the above-described problem, the first aspect of the present invention is such that a hollow casing is opposed to each other in a combined state from a state in which the hollow casing is separated into at least a pair of air conditioning cases across the dividing line. On the inner side surface, there are formed rail portions for slidably engaging engaged portions provided at both side edges of the slide door accommodated in the housing, and a drive shaft member for slidingly moving the slide door In a state in which a bearing portion that rotatably inserts both end portions of the sliding door is formed, and a gear member that is pivotally supported by the drive shaft member is engaged with a rack portion that is formed along the side edge of the sliding door, An assembly method of an air conditioner for assembling the air conditioning case by inserting each end of the drive shaft member into each bearing and simultaneously engaging the engaged portion with the rail. K The one engaged portion is engaged with the one rail portion provided on one of the inner side surfaces, and one end portion of the drive shaft member is connected to the bearing portion on the one inner side surface. The slide door is inserted into the other rail portion provided on the other inner surface by using a jig having a support portion that allows the drive shaft member to stand up from the inner surface together with the slide door in the inserted state. The other engaged portion positioned at the other side edge is engaged, and the other end portion of the drive shaft member is inserted into the other bearing portion provided on the inner side surface of the other side, and the slide door In addition, the present invention is characterized by an assembling method of an air conditioner in which the drive shaft member is mounted in a housing formed by a combination of the pair of air conditioning cases.

  Further, according to a second aspect of the present invention, the slide door is temporarily fixed to the drive shaft member so as not to move relative to the drive shaft member by a slide door locking portion provided on the jig. It features an air-conditioner assembly method.

  Further, according to a third aspect of the present invention, there is provided a gear provided on the jig on the inner surface of the gear member on one end side in a state where the one end portion of the drive shaft member is inserted into the bearing portion. The method of assembling an air conditioner according to claim 1 or 2, wherein the inner surface abutting portion is abutted.

  And what was described in Claim 4 is that the said one engaged part is engaged with the said one rail part provided in the inner surface of either one of the said air-conditioning cases, and the said bearing part is And a support portion that is brought into contact with an inner surface of the one air conditioning case in a state in which one end portion of the drive shaft member is pivotally supported and allows the drive shaft member to stand independently together with the slide door. The jig used for the assembly method of the air conditioner as described in any one of 1-3 is characterized.

  According to the first aspect of the present invention configured as above, the one engaged portion of the slide door is engaged with the one rail portion provided on one inner surface of the air conditioning case. When one end portion of the drive shaft member is inserted into the bearing portion on the one inner surface, the slide door and the drive shaft member are perpendicular to the inner surface by the support portion of the jig. To become independent.

  For this reason, the other engaged portion of the other side edge of the slide door and the other end portion of the drive shaft member are provided with a rail portion and a bearing provided on the inner surface of the other air conditioning case at an accurate relative interval. Opposite the part.

  Next, the other air conditioning case is covered with the slide door and the drive shaft member, and the one air conditioning case is covered from above to form a hollow casing made of the pair of air conditioning cases.

  At this time, even in the hollow space inside the housing that is difficult to visually recognize, the other end portion of the drive shaft member coincides with the position of the other bearing portion provided on the other inner surface of the other air conditioning case, Securely inserted.

  At the same time, the other engaged portion provided on the other side edge of the sliding door easily matches the position of the other rail portion provided on the other inner surface of the other air conditioning case, Engaged.

  In this way, in a state where the gear member and the rack portion are accurately meshed with each other, the relative positions of the slide door and the drive shaft member are not changed and can be self-supported by the jig and can be easily maintained. Are incorporated into the air conditioning case.

  Therefore, the mounting position accuracy in the initial state of the sliding door can be improved. For example, the degree of sealing at any closed end (for example, MAXCool or MAXHot) of the ventilation opening by accurate meshing, for example. However, there is no possibility that the sliding door may be lowered due to a deviation in the opening / closing direction and the tilting direction of the sliding door.

  Furthermore, after the slide door and the drive shaft member are assembled in the housing, when the jig is removed from the air conditioning case, the drive shaft member inserted into each bearing portion is rotated. It becomes possible to drive.

  For this reason, the slide door can be immediately slid in accordance with the rotational drive of the drive shaft member, and work steps such as position adjustment can be reduced.

  In addition, since the jig does not remain inside the housing, there is no occurrence of excessive members such as a frame body or a reinforcing material of a conventional rail portion, and an increase in the number of parts can be suppressed, and a simple configuration Thus, an assembling method of an air conditioner that can be accurately assembled is provided.

  According to a second aspect of the present invention, the slide door is temporarily fixed to the drive shaft member so as not to move relative to the drive shaft member by a slide door locking portion provided on the jig.

  For this reason, the relative position of the slide door and the drive shaft member is temporarily fixed by the jig while the gear member and the rack portion are meshed at an appropriate position. In the state, it can be accurately incorporated into the air conditioning case.

  Further, according to a third aspect of the present invention, the jig is provided on the inner surface of the gear member on the one end portion side in a state where the one end portion of the drive shaft member is inserted into the bearing portion. A gear inner side surface contact part is made to contact.

  The jig regulates the angle of inclination at two locations of the gear inner surface contact portion and the support portion by bringing the support portion into contact with the inner surface of one air conditioning case, and the drive shaft. The member and the sliding door can be self-supporting so as to be exactly perpendicular to the inner surface.

  According to a fourth aspect of the present invention, a support portion provided on the jig is brought into contact with an inner surface of the one air conditioning case, so that any one of the inner surfaces of the air conditioning case is brought into contact with the inner surface of the one air conditioning case. The drive shaft together with the slide door in a state where the one engaged portion is engaged with the one rail portion provided and the one end portion of the drive shaft member is pivotally supported by the bearing portion. The member is independent from the inner surface of the one air conditioning case.

  For this reason, when the other air conditioning case is combined with the one air conditioning case, the slide door and the drive shaft member can be accurately assembled, and the assembly work efficiency is good.

A method of assembling an air conditioner according to an embodiment of the present invention and a jig used in the assembling method, and incorporating a slide door and a drive shaft member into one air conditioning case placed on the upper surface of a workbench It is a disassembled perspective view explaining a mode that it matches with the other air conditioning case. It is a disassembled perspective view explaining a mode that a slide door and a drive shaft member are mounted on the jig according to the embodiment. It is sectional drawing in the position along the AA line in FIG. 2 explaining a mode that a slide door and a drive shaft member are integrated in the air-conditioning case of the air conditioner of embodiment. It is the front view seen from the arrow B direction in FIG. 2 explaining the mode of the jig | tool at the time of incorporating a slide door and a drive shaft member in the air-conditioning case of embodiment. It is a perspective view explaining the structure of the rail part of the sliding door formed in the other air-conditioning case among the air-conditioning cases of embodiment, and the bearing part of a drive shaft member. It is a typical perspective view explaining a mode that a jig | tool is removed in the state in which the slide door and the drive shaft member were integrated in the air conditioning case of embodiment. It is a typical partial transmission figure explaining the whole structure of the air-conditioning case of embodiment. It is a typical disassembled perspective view explaining a mode that a slide door and a drive shaft member are incorporated in the air conditioning case of the air conditioner of the conventional example. It is a front view explaining a mode that the gear member of the drive shaft member was aligned with the rack part of the slide door in the air conditioning case of the conventional example. It is a typical disassembled perspective view explaining the jig | tool which is used for the assembly of the air-conditioning case of the air-conditioner of one prior art example, and fixes a sliding door and a drive shaft member temporarily. It is a perspective view explaining the structure of the door unit member integrated in an air-conditioning case with the other conventional air conditioner.

  Next, an air conditioning apparatus assembling method and a jig used in the assembling method according to an embodiment for carrying out the present invention will be described with reference to FIGS.

  The same or equivalent parts as those in the conventional example will be described with the same reference numerals.

  First, the configuration of the air conditioner according to this embodiment will be described. In the vehicle air conditioner 1, the unit casing 22 as a casing is positioned in the front of the vehicle interior R of the vehicle as shown in FIG. It is provided so that it may be located in the approximate center of the vehicle width direction W inside the instrument panel member p.

  The unit housing 22 has a substantially box-like hollow shape in an assembled state, and the heat exchangers 20a and 20b, an air mix door 25 as a slide door, and the like are accommodated in the internal space.

  In the case separation state, the unit housing 22 has a dividing line P.P. L. The left and right air-conditioning cases 3 and 4 are roughly divided into two in the vehicle width direction.

  On the inner side surfaces 3a and 4a of the left and right air conditioning cases 3 and 4, slide groove portions 7, 7... As a rail portion having a semicircular arc shape when viewed from the front are formed in a recessed manner, respectively. Yes.

  Each of these slide groove portions 7, 7,... Has left and right air-conditioning cases 3, 4 connected to a dividing line P.D. L. In a state of being joined and assembled from the left and right sides with respect to each other, they are provided in opposing positions in the internal hollow space of the unit housing 22.

  Further, the air mix door 25 accommodated in the unit housing 22 has a substantially rectangular plate shape when viewed from the front as shown in FIG. 1 or FIG. 2, and has an arc along the slide groove portions 7, 7. It has a curved shape.

  Resin sleeves 6, 6... Are mounted at the four corners of the air mix door 25 as engaged portions having a substantially cylindrical shape for reducing the frictional resistance during sliding.

  These resin sleeves 6, 6... Are slidably engaged in the slide groove portions 7, 7... When assembled, so that the air mix door 25 moves in the vehicle width direction left and right. Thus, it is supported in a slidable state at a total of four locations, two at the top and two at the bottom.

  And while the resin sleeves 6, 6... Are in sliding contact with the inner side surfaces of the slide groove portions 7, 7, the air mix door 25 is smoothly slid and moved between the heat exchangers 20a, 20b. The ventilation opening 2a formed in the ventilation space is guided to each door position to be opened and closed.

  Therefore, in this embodiment, the air mixing door 25 is slid to change the air flow path of the ventilation space and adjust the ratio of the cool air C and the warm air H to be mixed. The temperature of the air supplied to the inside is adjusted.

  In addition, a sponge seal member 26 having a predetermined width direction dimension W1 is attached to the peripheral edge of the other side surface 25b of the air mix door 25 over substantially the entire circumference.

  When the air mix door 25 slides along the slide groove portions 7 and 7 and reaches either the upper or lower closed end, the sponge seal member 26 is moved to the ventilation opening 2a. When the door is in the closed state by being pressed against the peripheral edge, sealing is surely performed.

  Further, as shown in FIG. 4, a pair of rack portions 8, 8 are provided on the left and right side edges 25 c, 25 d of the one side surface 25 a of the air mix door 25 along the upper and lower directions H on the left and right side edges. It is formed in an arcuate curve.

  Gear positioning recesses 9 and 9 are respectively formed in a substantially central position in the sliding direction of the rack portions 8 and 8 (substantially the same as the vehicle vertical direction H in this embodiment).

  Further, as shown in FIG. 3, a rod-shaped drive shaft member 10 is rotatably mounted on one side surface 25a of the air mix door 25 with a predetermined distance L2.

  A pair of gear members 11 and 11 as shown in FIG. 2 are inserted and fixed to the left and right end portions 10a and 10b of the drive shaft member 10, respectively.

  Then, the tooth portions of the gear members 11, 11 are meshed with the rack portions 8, 8, respectively, and the rotational driving force of the drive shaft member 10 causes the slide groove portions 7, 7 is configured to be converted into an opening / closing driving force in the sliding direction along the line 7.

  Further, as shown in FIG. 9, alignment projections 11a and 11a are formed projectingly on a part of the gear members 11 and 11, respectively.

  As shown in FIG. 1, these alignment projections 11 a and 11 a are shown when the drive shaft members 10 and 10 are housed in the unit housing 22 and incorporated together with the air mix door 25. 2 or, as shown in FIG. 4, by using a jig 30 and being engaged with the gear alignment recesses 9 and 9 formed at a substantially central position in the sliding direction of the air mix door 25, The air mix door 25 is temporarily fixed at the center in the vertical direction H.

  For this reason, the air mix door 25 is arrange | positioned in the vehicle up-down direction approximate center part of the said ventilation opening 2a in the state integrated in the said unit housing | casing 22. FIG.

  Further, in this embodiment, this jig 30 is used, and the engagement between the alignment convex portions 11a, 11a and the gear alignment concave portions 9, 9 is similarly performed in a pair of left and right in the vehicle width direction. As a result, the gear members 11 and 11 and the rack portions 8 and 8 are not meshed with each other so that no deviation occurs at the upper and lower positions.

  For this reason, the air mix door 25 is mounted in a horizontal state without being inclined on the left and right sides in the vehicle width direction in a state where the air mix door 25 is mounted inside the unit housing 22.

  Furthermore, in this embodiment, rotation stopper convex portions 11b and 11b are integrally formed on the opposite side of the positioning convex portions 11a and 11a forming positions of the gear members 11 and 11, respectively.

  Then, when the open and closed end of the ventilation opening 2a is reached, the rotation stopper convex portions 11b and 11b come into contact with a part of the rack portions 8 and 8, whereby the rotational drive of the drive shaft member 10 is performed. When the air mix door 25 is stopped, the slide movement of the air mix door 25 is also stopped.

  Also, as shown in FIG. 3, both end portions 10a and 10b of the drive shaft member 10 are provided with bearing portions 12 and 12 which are recessedly formed on the inner side surfaces 3a and 4a of the left and right air conditioning cases 3 and 4, respectively. In addition, the gear members 11 and 11 are inserted with the edge portions 11c and 11d of the gear members 11 and 11 so as to be rotatably supported.

  When the drive shaft member 10 is assembled in the unit housing 22, both ends of the shaft main body extending in the vehicle width direction so as to be simultaneously rotated in the same direction and the same angle. The gear members 11 and 11 are connected and fixed to the portions 10a and 10b, respectively, and the positions where the left and right side edges 25c and 25d of the air mix door 25 are engaged are synchronized.

  Next, the structure of the jig 30 used in the method of assembling the air conditioner will be described mainly with reference to FIGS.

  The jig 30 of this embodiment is mainly made of synthetic resin, is substantially L-shaped in a side view, and is a leg serving as a support portion extending downward from the handle-shaped main body 31. A part 32 is provided.

  The resin sleeves 6, 6 are engaged with the one slide groove portion 7 provided on the one inner surface 3 a at the lower end of the leg portion 32, and the drive shaft member is engaged with the bearing portion 12. In the state where one end portion 10a of 10 is inserted together with the end edge portion 11c, the drive shaft member 10 together with the air mix door 25 is parallel to the air mix door 25, and the inner side surface From 3a, a contact surface portion 32a for self-supporting is provided so as to be vertical.

  The contact surface portion 32a of this embodiment is configured to contact a flat portion of the inner side surface 3a to which the heat exchanger 20b is mounted in the mounted state.

  A shaft holding portion 33 formed with a concave locking groove 33a for locking the drive shaft member 10 in parallel with the leg portion 32 is integrally formed downward from the body trunk portion 31. It is extended and formed.

  And, the lower end surface side of the shaft holding portion 33 has a positional relationship for holding the jig 30 perpendicularly to the inner side surface 3a when the jig 30 is made to stand on the contact surface portion 32a. A locate end surface portion 33b is provided as a contact portion on the inner surface of the gear.

  The locate end surface portion 33b contacts the substantially flat inner surface 11e in the vicinity of the shaft insertion hole of the one gear member 11 in a state where the drive shaft member 10 is engaged in the locking groove portion 33a. In contact with each other, the upper and lower positioning of the lower end surface portion of the shaft holding portion 33 is performed.

  In this embodiment, as shown in FIG. 3, when the end edge portion 33 b is abutted with the end edge portion 11 c of the gear member 11 inserted into the bearing portion 12, the air mix door 25. And the dimensional difference h1 in the direction away from the inner surface 3a between the contact surface portion 32a and the locating end surface portion 33b so that the drive shaft member 10 stands vertically with respect to the inner surface 3a. Is set.

  Further, a pair of left and right arm portions 34, 34 are formed so as to extend obliquely from the main body barrel portion 31 of the jig 30 in a substantially C shape when viewed from above.

  Locking claw portions 34a as slide door locking portions to be locked to the substantially central portions of the upper and lower side edges 25e, 25f of the air mix door 25 at the tips of the arm portions 34, 34, A pair of 34a is formed.

  These locking claws 34a and 34a each have an inwardly facing hook shape, and are elastically deformed in a direction in which the interval approaches and separates, thereby causing the drive as shown by a two-dot chain line in FIG. While the shaft member 10 is engaged with the locking groove 33a, the air mix door 25 is temporarily fixed, and after the air conditioner 21 is assembled, the locking claws 34a and 34a are separated from each other. Thus, the air conditioner 21 can be easily removed from the hollow space of the unit housing 22.

  Next, an assembling method of the air conditioner according to this embodiment and an operation effect of the jig used in the assembling method will be described.

  In the air conditioner assembling method of this embodiment, first, as shown in FIGS. 2 and 4, the drive shaft member 10 moves the alignment projections 11 a and 11 a of the gear members 11 and 11 to the air mix. In the state of being directed toward the door 25, it is engaged with the locking groove portion 33a.

  The shaft holding portion 33 of the jig 30 is slid along the drive shaft member 10, and the inner surface 11 e of the gear member 11 fixed to the one end portion 10 a side of the drive shaft member 10. The locating end surface portion 33b provided on the lower end surface side of the shaft holding portion 33 of the jig 30 is brought into contact with the jig 30.

  Further, the locking claws 34 a and 34 a provided on the jig 30 are expanded and locked to the upper and lower side edges 25 e and 25 f of the air mix door 25, respectively. However, the drive shaft member 10 is temporarily fixed so as not to be relatively movable.

  At this time, the alignment convex portions 11a and 11a projecting from the gear members 11 and 11 located at both end portions 10a and 10b of the drive shaft member 10 engaged and held in the locking concave groove portion 33a are In a state of being directed in the direction of the air mix door 25, the gears are engaged with the gear alignment recesses 9 and 9 of the rack part, respectively.

  Therefore, as shown in FIG. 4, the gear members 11 and 11 and the rack portions 8 and 8 are more reliably engaged with each other at appropriate positions at the left and right center in the vehicle width direction. The relative position of the air mix door 25 and the drive shaft member 10 is temporarily fixed by the jig 30.

  Therefore, as shown in FIG. 1, the gear member 11 positioned at the resin sleeves 6 and 6 of the air mix door 25 and the end 10 a of the drive shaft member 10 which are temporarily fixed together with the jig 30. Are inserted into the slide groove portions 7 and 7 and the bearing portion 12 formed on the inner side surface 3a of the left air-conditioning case 3 placed on the work table WA, and are in a semi-mounted state. .

  In this semi-mounted state, the abutment surface portion 32 a provided at the lower end of the leg portion 32 of the jig 30 is a flat slide recess that holds the heat exchanger 20 a provided on the inner side surface 3 a of the left air conditioning case 3. The portion corresponding to the bottom surface of the groove is abutted.

  Therefore, as shown in FIG. 3, the two locations of the locate end surface portion 33 b and the contact surface portion 32 a of the leg portion 32 are in contact with each other with a constant interval L 1, and the inner surface of the jig 30. The inclination angle with respect to 3a is regulated.

  Therefore, the drive shaft member 10 and the air mix door 25 temporarily fixed by the jig 30 are self-supported so as to be accurately perpendicular to the inner side surface 3a.

  Also, as in this embodiment shown in FIG. 3, the distance L2 between the resin sleeves 6 and 6 and the end 10a of the drive shaft member 10 is the curved shape of the air mix door 25, or Even if the support points are close to each other so as to be aligned in a straight line, the jig 30 can be made to stand by the bow shape of the slide grooves 7 and 7.

  For this reason, for example, without being limited to a flat plate shape or a bow shape, the drive shaft member 10 and the interior of the unit housing 22 are accurately placed while ensuring a degree of freedom in setting the shape of the air mix door 25. An air mix door 25 can be incorporated.

  Further, with the one end portion 10a of the drive shaft member 10 inserted through the bearing portion 12, the inner surface 11e of the gear member 11 on the one end portion 10a side is below the shaft holding portion 33 of the jig 30. A locate end surface portion 33b provided on the end surface side is brought into contact.

  Furthermore, in this embodiment, the leg part 32 provided integrally with the main body trunk part 31 of the jig 30 holds the heat exchanger 20a formed on the inner side surface 3a of the one left-side air conditioning case 3. Position restriction in the extending direction of the inner side surface 3a is performed by a portion corresponding to the bottom surface of the flat slide groove.

  Accordingly, the air conditioning door 25 temporarily held by the locking claws 34a, 34a of the arm portions 34, 34 integrally extended from the main body body portion 31 is also accurately positioned, whereby the left air-conditioning case The resin sleeves 6 and 6 are securely inserted and engaged with the one slide groove portions 7 and 7 provided on any one of the inner side surfaces 3a.

  And the one end part 10a of the said drive shaft member 10 is penetrated with the said gear member 11 in the said bearing part 12, and the drive shaft member hold | maintained in parallel with the said air mix door 25 in the state supported. 10 stand independently from the inner side surface 3 a of the left air-conditioning case 3.

  Next, the right air-conditioning case 4 in which the other bearing portion 12 and the other slide groove portion 7 are formed in advance as shown in FIG. 5 is formed from above the work bench WA as shown in FIG. 3 and the dividing line P.3. L. Joined in position.

  At this time, it is not necessary for the operator to hold down the air mix door 25 and the drive shaft member 10. As shown in FIG. 3, the right air conditioning case 4 is covered from above and joined to the left air conditioning case 3. By simply doing, the resin sleeves 6 and 6 of the air mix door 25 and the other end portion 10b of the drive shaft member 10 to which the gear member 11 is fixed are connected to the other slide groove portions 7 and 7 and the bearing. It is inserted into the part 12 and incorporated.

  Therefore, the assembly work efficiency of the unit casing 22 of the air conditioner 21 is good.

  Further, the resin sleeves 6, 6 attached to the other side edge of the air mix door 25 and the end edge portion 11 d of the gear member 11 positioned at the other end portion 10 b of the drive shaft member 10 have an accurate relative relationship. It faces the slide groove portions 7 and 7 and the bearing portion 12 provided on the inner side surface 4a of the other right air conditioning case 4 at intervals.

  Therefore, the other right air-conditioning case 4 is covered with the air mix door 25 and the drive shaft member 10 from above the left air-conditioning case 3, and the air mix door 25 and The drive shaft member 10 is smoothly inserted without shifting the meshing due to the action of external force due to interference or the like, and the pair of left and right air conditioning cases in the initial meshing state at the correct position in the initial state. It is incorporated into a hollow unit housing 22 composed of 3 and 4.

  At this time, even in the hollow space inside the unit housing 22 that is difficult to visually recognize, the other of the drive shaft member 10 is located at the position of the other bearing portion 12 provided on the other inner side surface 4a of the right air conditioning case 4. The other end edge portion 11d of the gear member 11 provided at the end portion 10b is aligned and reliably inserted.

  At the same time, resin sleeves 6, 6 provided on the left edge 25 c of the air mix door 25 are located at the other slide groove portions 7, 7 provided on the other inner side surface 4 a of the right air conditioning case 4. Easily matched and engaged.

  As described above, the relative positions of the air mix door 25 and the drive shaft member 10 do not fluctuate in a state where the gear member 11 and the rack portion 8 are accurately engaged by the jig 30. It is self-standing vertically and can be easily incorporated into the unit housing 22 as it is.

  Therefore, it is possible to improve the mounting position accuracy of the air mix door 25 in the initial state, for example, at any closed end (for example, MAXCool or MAXHot) of the ventilation opening by accurate meshing. There is no possibility that the sealing degree is lowered due to a deviation in the opening / closing direction and the inclination direction of the air mix door 25.

  Further, as shown in FIG. 6, after the air mix door 25 and the drive shaft member 10 are assembled in the internal space of the unit housing 22, the jig 30 is removed from the internal space of the unit housing 22. Then, the drive shaft member 10 inserted through the bearings 12 and 12 can be driven to rotate.

  For this reason, the air mix door 25 can be immediately slid in accordance with the rotational drive of the drive shaft member 10, and work steps such as position adjustment can be reduced.

  Further, since the jig 30 does not remain inside the unit housing 22, there is no occurrence of excessive members such as a frame body or a reinforcing material of a conventional rail portion, and an increase in the number of parts can be suppressed. Provided is an air conditioning apparatus assembling method that can be accurately assembled with a simple configuration.

  Other configurations and functions and effects are the same as or equivalent to those of the conventional example, and the description thereof is omitted.

  The air conditioning apparatus assembling method and the jig used in the assembling method according to the embodiment of the present invention have been described in detail with reference to the drawings. The specific configuration is assembling the air conditioning apparatus according to the present embodiment. Not limited to the method and the jig used in the assembling method, design changes that do not depart from the gist of the present invention are included in the present invention.

  For example, in the above-described embodiment, the dividing line P.I. L. The direction is not limited to the left and right air conditioning cases 3 and 4 in the vehicle front-rear direction. L. The direction may be divided into the left and right directions in the vehicle width direction, and may be divided into a plurality of parts in the front-rear direction, or may be divided into a plurality of parts in the horizontal direction, and the dividing direction, the number of divisions, and the shape are not limited.

  The assembling method of the air conditioner according to this embodiment and the jig used in the assembling method may be any vehicle such as an automobile, as long as the assembling method of the air conditioner used in the vehicle and the jig used in the assembling method, for example, The position mounted on the vehicle and the in-vehicle method may be used not only in the instrument panel in the front of the vehicle interior, but also in the front, rear, or center, or a plurality of them. It may be applied to an air conditioner to be mounted.

  In this embodiment, the air mix door 25 has been described as an example of the slide door. However, the engaged portion such as another air passage switching or open / close door is slidably engaged. As long as it is supported by the rail part to be made, it may be composed of any shape, quantity and material, such as an inside / outside air switching door, an air passage switching door, or a vent opening / closing door.

  Further, in this embodiment, a description will be given by showing a configuration in which resin sleeves 6, 6... Projecting from four corners of an air mix door 25 as a slide door are engaged with the slide groove portions 7, 7.. However, the present invention is not limited to this. For example, a slide guide recess formed on the guide piece protruding from the unit housing 22 side along the left and right side edges 25c and 25d of the air mix door 25 is provided. The groove part can be slidably engaged, etc., and it can be uneven on either side. What is the configuration of the part between the slide door and the rail part that movably supports the slide door? It may be.

3 Left air conditioning case 4 Right air conditioning case 3a, 4a Inner side surface 6, 6 Resin sleeve (engaged part)
7, 7 Slide groove (rail part)
8, 8 Rack portion 9 Gear positioning recess 10 Drive shaft member 10a, 10b End portion 12 Bearing portion 22 Unit housing (housing)
25 Air mix door (sliding door)
30 Jig 31 Body trunk 32 Leg (support)
33b Locate end face (gear inner face contact face)

Claims (4)

From the state in which the hollow casing is separated into at least a pair of air conditioning cases across the dividing line, the two inner side surfaces facing each other in the combined state are on both side edges of the slide door accommodated in the casing. Each slide part is formed to slidably engage the provided engaged part, and a bearing part is formed to rotatably insert both ends of the drive shaft member that slides the slide door. At the same time that each end portion of the drive shaft member is inserted into each of the bearing portions in a state where the gear member supported by the drive shaft member is engaged with the rack portion formed along the side edge of the door. An assembly method of an air conditioner for assembling the air conditioning case by engaging the engaged portion with the rail portion,
The one engaged portion is engaged with the one rail portion provided on one inner surface of the air conditioning case, and the drive shaft member is engaged with the bearing portion on the one inner surface. With the one end portion inserted, together with the slide door, using a jig having a support portion for allowing the drive shaft member to stand up from the inner surface, the other rail portion provided on the other inner surface, While engaging the other engaged portion located on the other side edge of the sliding door, the other bearing portion provided on the other inner surface is inserted through the other end portion of the drive shaft member, An assembly method for an air conditioner, wherein the drive shaft member is mounted together with the slide door in a housing formed by a combination of the pair of air conditioning cases.   The method of assembling an air conditioner according to claim 1, wherein the slide door is temporarily fixed to the drive shaft member so as not to be relatively movable by a slide door locking portion provided in the jig.   The gear inner surface contact portion provided on the jig is brought into contact with the inner surface of the gear member on the one end portion side in a state where one end portion of the drive shaft member is inserted into the bearing portion. The method for assembling an air conditioner according to claim 1 or 2.   A state in which the engaged portion is engaged with the one rail portion provided on one inner surface of the air conditioning case, and one end portion of the drive shaft member is pivotally supported by the bearing portion And a support portion that is brought into contact with an inner surface of the one air conditioning case and allows the drive shaft member to be self-supported together with the sliding door. The jig used for the assembly method of the air conditioning apparatus of description.