JP4324860B2 - Connection device and heat source device - Google Patents

Description

  The present invention relates to a connection device that electrically connects wirings connected to a plurality of devices, and a heat source device including the connection device.

Conventionally, for equipment such as a heat source device such as a hot water supply device, electrical devices housed in the outer case are arranged outside the outer case such as a remote control or an alarm device in order to improve convenience. Connected to electrical equipment. In the conventional hot water supply device, the connection work of devices such as a remote controller is improved, and wiring is connected using a connection device as shown in the following Patent Documents 1 to 3 in order to protect the wiring and terminals. . The connection devices disclosed in the following Patent Documents 1 to 3 are provided with a plurality of types of terminal blocks having polarity, and by fixing the wires to the terminal blocks with screws, the heat source device and the remote control and other devices Are electrically connected.
Japanese Patent Laid-Open No. 9-199874 JP-A-9-280650 JP 2000-292005 A

  In recent years, it is generally possible to connect a plurality of remote controllers and alarm devices to one heat source device. For this reason, many connection devices of the prior art have a structure in which a large number of fixing tools such as screws for wiring connection are provided on each terminal block.

  Many of the devices such as the heat source device of the prior art have a configuration in which a connection device is attached to the side surface and the bottom surface of the outer case constituting the device. Wiring connection work involves fine work such as adjustment of screw fastening using a tool such as a screwdriver and wiring management. Therefore, as shown in FIG. 15, the connection device generally used conventionally has a configuration in which the terminal blocks 102 and 103 are gathered and arranged in a line on one end side of the case 101 constituting the connection device 100. The terminal blocks 102 and 103 are mounted so as to be located away from the component surface 106 of the heat source device 205 and the like during wiring connection work.

  As described above, many of the conventional connection devices have a configuration in which a large number of screws are attached to each terminal block in order to connect a large number of wires. For this reason, it is difficult to understand the relationship between the screws attached to each terminal block and the polarity of each terminal block at a glance. Therefore, in the connection terminal of the prior art, in order to prevent erroneous connection of wiring, measures such as clearly indicating a correspondence relationship between each screw and polarity in the case of the connection terminal or attaching a separate manual have been taken.

  Also, the construction site where the wiring is actually connected is often a place with poor workability such as a narrow place or a dark place. Moreover, depending on the worker who performs the construction work, the connection of the wiring may be performed without sufficiently determining the polarity of each terminal block. Therefore, in the connection device of the prior art, there is a possibility that the wiring is erroneously connected to the screw attached to the terminal block having the same polarity. When wiring is connected incorrectly, there is a problem that the devices do not operate.

  Further, as described above, the connection device according to the prior art has a configuration in which the terminal blocks 102 and 103 are arranged in a row on one end side of the case 101 as in the connection device 100 of FIG. Although it is expensive, it is difficult to distinguish the polarity at first glance by an operator who performs the construction work. For this reason, in the connection device of the conventional technique, the wiring may be erroneously connected.

  An object of this invention is to provide the connection apparatus which can prevent the misconnection of wiring reliably, and the heat-source apparatus provided with the said connection apparatus.

  The invention according to claim 1, which is provided to solve the above-described problem, includes a plurality of types of terminal blocks having polarity, and a fixture for fixing the wiring to the terminal block, and electrically connecting the plurality of wirings. A connecting device to be connected, wherein each of the terminal blocks is provided with one fixing tool, and two or more fixing device mounting means are provided.

  The connection device according to the present invention includes a plurality of terminal blocks having polarity, but a single fixture is attached to each terminal block in an initial state. Therefore, according to the present invention, it is possible to reliably prevent an erroneous connection in which a wiring that should originally be connected to a terminal block having a different polarity is connected to a terminal block having the same polarity.

  Since the connection device of the present invention has a configuration in which two or more mounting means are provided in each terminal block, there is an extra mounting means in which no fixture is mounted. For this reason, the connection device of the present invention can connect a wiring to this by forming a terminal by separately attaching a fixture to the above-described excessive mounting means when it is necessary to connect a large number of wirings. .

  The invention according to claim 2 is a connection device that includes a plurality of types of terminal blocks having polarity and a fixture that fixes the wiring to the terminal blocks, and electrically connects the plurality of wirings. The storage means is mounted on a component surface constituting another member, and is opposed to the adjacent surface arranged at a position adjacent to the mounting surface. The terminal block is disposed in the storage means at a position on the side of the opposing surface, and each terminal block includes at least one fixture. And a mounting device for mounting a fixing tool that exceeds the number of the fixing tools.

  The connection device according to the present invention has a configuration in which the terminal block is stored in the storage means at a position on the opposite surface side, that is, a position away from the configuration surface of the other member. Therefore, the connection device of the present invention is free to handle tools such as a screwdriver and wiring, and can easily perform wiring connection work.

  The connection device of the present invention has a configuration in which a plurality of terminal blocks having polarity are gathered on the opposite surface side, but there is only one fixture attached to each terminal block in the initial state. For this reason, the connection device of the present invention can determine the polarity at a glance by the construction worker, and can reliably prevent erroneous wiring.

  The connection device of the present invention has a configuration in which each terminal block is provided with two or more mounting means, and one of them is mounted with a fixture. For this reason, the connection device of the present invention has surplus mounting means in which the fixture is not mounted on each terminal block in the initial state. Therefore, when the connection device of the present invention needs to connect a large number of wires, it is possible to connect the wires by forming a terminal by separately attaching a fixing tool to the surplus mounting means described above.

  The invention according to claim 3 is a connection device that includes a plurality of types of terminal blocks having polarity and a fixture that fixes the wiring to the terminal blocks, and electrically connects the plurality of wirings. The storage means is mounted on a component surface constituting another member, and rotates around a predetermined rotation axis assumed on one end side of the storage means with respect to the mounting surface. The terminal block is disposed in a storage means and at a position opposite to the rotation shaft, and each terminal block includes at least one fixing tool and the fixing tool. The connecting device is provided with mounting means for mounting the fixing tool exceeding the quantity of the above.

  In the connection device of the present invention, since the terminal block is arranged at a position on the opposite side with respect to the rotation axis, wiring connection work can be easily performed.

  In the connecting device according to the present invention, a plurality of terminal blocks having polarity are provided at positions facing the rotation axis, but a single fixture is attached to each of the terminal blocks in an initial state. is there. Therefore, according to the connection device of the present invention, it is possible to determine the polarity at a glance by a wiring operator, and it is possible to reliably prevent erroneous wiring.

  In the connection device of the present invention, since the storage means can be rotated around a predetermined rotation axis, it can be adjusted to a posture that facilitates the work during the wiring connection work.

  The connection device of the present invention has a configuration in which each terminal block is provided with two or more mounting means, but only one of them is mounted with a fixing tool, and the other mounting means has a fixing tool. Is not installed. For this reason, the connection device of the present invention can constitute a new terminal by attaching a fixture to the excess mounting means of each terminal block when it is necessary to connect a large number of wires.

In the connection device according to claim 2 or 3 , the storage means may have an abutting portion that abuts against a component surface of the other member in a posture in which the terminal block is exposed to the outside. (Claim 4)

  According to such a configuration, a load acting on the connection device at the time of wiring connection can be firmly received by the configuration surface of the other member. Therefore, according to the present invention, wiring connection work can be performed easily and efficiently.

  Here, in the connection device according to the first to fourth aspects, when a large number of wirings are connected, it is necessary to separately attach a fixing tool to excess mounting means provided on each terminal block. Usually, since the fixture is small, there is a possibility that it is lost when the wiring is added after a while after the construction of the wiring is performed once. In addition, in consideration of such a situation, it is possible to wrap the fixing tool separately with a bag etc. and put it in the storage means. However, if the bag is torn due to deterioration over time, etc., wiring with an excess fixing tool There is a possibility that problems such as short-circuiting may occur. For this reason, the connection device according to any one of the first to fourth aspects of the present invention retains the excess fixtures in an electrically insulated form without losing them in consideration of the occurrence of problems such as an increase in wiring or a short circuit. It is desirable.

  Therefore, the invention according to claim 5 provided on the basis of such knowledge has storage means for storing the terminal block, and the storage means is configured to electrically insulate the fixture from the terminal block. 5. The connection device according to claim 1, further comprising a fixture placement portion that can be placed in a closed state.

  According to such a configuration, it is possible to hold the fixing tool that is required when the wiring is added without losing it. Moreover, since the connection device of the present invention can hold the fixture arranged in the fixture arrangement portion in a state of being electrically insulated from the terminal block, there is no problem such as a short circuit due to an excessive fixture. .

  The invention described in claim 6 is characterized in that the fixture placement portion is provided with mounting means for mounting the fixture, and the fixture is arranged in a state of being screwed with the mounting means. The connection device according to claim 5.

  In the connection device of the present invention, the fixture is screwed into the fixture arrangement portion and held, so that the fixture does not fall off or be lost from the fixture arrangement portion even under the influence of vibration or the like. Moreover, the connection device of the present invention can reliably prevent the occurrence of problems such as a short circuit due to the fixture falling off from the fixture arrangement portion.

The connection device according to any one of claims 2 to 6 can be suitably used when the storage means is mounted on the bottom surface of another member. (Claim 7)

  The connection device according to any one of claims 1 to 7, wherein the fixture is a screw, and the mounting means may be a pilot hole into which the screw can be screwed. (Claim 8)

  The invention according to claim 9 has the connection device according to any one of claims 1 to 8, and is arranged outside the main body case by an electric device housed in the main body case by the connection device. The heat source device is characterized in that it can be connected to an electric device.

  In general, the heat source device is often attached to a place with poor workability such as a narrow place or a dark place. Therefore, fine work such as wiring connection work among the installation work of the heat source device is extremely difficult. Since the heat source device of the present invention is configured to electrically connect the electrical devices inside and outside the main body case with the connecting device according to any one of the first to sixth aspects, the installation work or outside the main body case Wiring connection work can be done easily with the expansion of the electrical equipment.

  According to the present invention, it is possible to provide a connection device and a heat source device that can reliably prevent misconnection of wiring and can be easily installed and constructed.

  Next, a connection device that is an embodiment of the present invention will be described. FIG. 1 is a front view showing the connection device of the present embodiment. FIG. 2 is a perspective view showing the connecting device shown in FIG. 1, and FIG. 3 is an exploded perspective view thereof. FIG. 4 is a front view illustrating a connection state between the connection device illustrated in FIG. 1 and two sets of wirings.

  The connection device 1 electrically connects the wiring 7 (7a, 7b) electrically connected to the first device E1 and the wiring 9 (9a, 9b) electrically connected to the second device E2. Is. The wirings 7a and 7b and the wirings 9a and 9b have polarity. More specifically, the wires 7 and 9 need to connect the wires 7a and 9a to one of the terminal blocks 13 and 15, and connect the wires 7b and 9b to the other of the terminal blocks 13 and 15. is there.

  As shown in FIG. 1, the connection device 1 has two terminal blocks 13 and 15 built in a storage portion 12 in a main body case 11 (storage means). The main body case 11 is made of resin and has electrical insulation. The terminal blocks 13 and 15 are both formed by molding a metal plate into a predetermined shape and have conductivity.

  As shown in FIG. 3, the main body case 11 is a box having a substantially rectangular opening shape in which the periphery of the bottom portion 16 is surrounded by the peripheral wall 14. The main body case 11 has pedestals 17 and 18 that protrude from the bottom 16 and are one step higher than the other parts, on the front end 11a side in the storage portion 12. The pedestals 17 and 18 are provided with two pilot holes 20 and 21 (mounting means) and pilot holes 22 and 23 (mounting means), respectively. The opening diameters of the pilot holes 20 to 23 are all intermediate between the crest diameter and the valley shape of the screw 28 (self-tapping screw), and when the screw 28 is screwed, a groove corresponding to the screw thread is cut. The pedestal portions 17 and 18 are divided by a partition wall 25 provided in the middle and are independent. A notch 25a for hooking the wiring 7b is provided at a position adjacent to the pedestals 17 and 18 of the partition wall 25.

  As shown in FIGS. 1 and 3, terminal blocks 13 and 15 formed of metal plates in a predetermined shape are arranged on the pedestals 17 and 18 so as not to contact each other. As shown in FIG. 1, the terminal blocks 13 and 15 are connected to wirings 7a and 7b that are electrically connected to the first device E1, and have different polarities. In the terminal blocks 13 and 15, through holes 26 a and 26 b and through holes 27 a and 27 b that are slightly larger than the crest diameter of the screw 28 (fixing tool) are formed at positions corresponding to the pilot holes 20 to 23 of the base portions 17 and 18. Has been. The terminal blocks 13 and 15 are fixed by screwing screws 28 and 28 inserted into the through holes 26a and 27a into the pilot holes 20 and 22, respectively. The screw 28 is a tapping screw. The screws 28 are not inserted into the through holes 26b and 27b of the terminal blocks 13 and 15, and the pilot holes 21 and 23 provided in the pedestals 17 and 18 below the terminal blocks 13 and 15, It is in a state of communication.

  Screw engaging portions 30 and 31 (fixing member disposing portions) protruding from the bottom portion 16 are formed in the storage portion 12 at both corners on the rear end 11b side of the main body case 11. Pilot holes 32 and 33 (mounting means) capable of locking the screw 28 are formed at substantially the center of the screw locking portions 30 and 31. Since the screw locking portions 30 and 31 constitute a part of the resin-made main body case 11, the screw locking portions 30 and 31 are electrically insulated from the terminal blocks 13 and 15 disposed on the pedestal portions 17 and 18. is there.

  An opening 37 that communicates the inside and the outside of the storage portion 12 is provided at a substantially central portion of the bottom portion 16 of the main body case 11. The wirings 9a and 9b electrically connected to the second device E2 are introduced into the storage portion 12 through the opening 37, and are sandwiched and fixed by screws 28 and 28 attached to the terminal blocks 13 and 15, respectively. The

  As described above, in the connection device 1 of the present embodiment, two through holes 26a, 26b, 27a, and 27b are provided in the terminal blocks 13 and 15 having different polarities, respectively. It is attached only to one through hole 26a, 27a. Therefore, in the connection device 1 of the present embodiment, there is no erroneous connection in which the wirings 9a and 9b are fixed only to either the terminal block 13 or the terminal block 15.

  Further, in the connection device 1 of the present embodiment, the screw 28 that can be attached to the through holes 26b and 27b in which the screw 28 is not attached in the initial state is separated from the terminal blocks 13 and 15 and is electrically insulated. It is in the state engaged with the stop portions 30 and 31. Therefore, according to the connecting device 1, the two screws 28 locked to the screw locking portions 30 and 31 are removed and attached to the through holes 26b and 27b, whereby the wiring 38 (38a) of the third device E3 is mounted. , 38b) can be electrically connected to the first device E1.

  Further, when the third device E3 is connected, the second device is first fixed by the screws 28 and 28 attached to the pilot holes 20 and 22 (through holes 26a and 27a). Therefore, when connecting the wirings 38a and 38b of the third device E3, screws 28 are separately attached to the pilot holes 21 and 23 through the through holes 26b and 27b of the terminal blocks 13 and 15 as shown in FIG. In this case, each terminal block 13 and 15 is configured with an empty terminal or the screws 28 and 28 to which the wires 9a and 9b connected to the second device E2 are first connected are loosened and tightened together with the wires 9a and 9b. Become. Therefore, according to the connection device 1, even when a plurality of devices are electrically connected, wiring can be easily and accurately connected without mistaking the polarity.

  The connection device 1 according to the present embodiment has a surplus when the wiring connected to the terminal blocks 13 and 15 is single, and is attached to the pilot holes 21 and 23 as necessary to configure screws 28. Are screwed into the screw locking portions 30 and 31 and locked. Therefore, the screw 28 locked to the screw locking portions 30 and 31 does not fall off from the screw locking portions 30 and 31 even when the connecting device 1 receives vibration. Accordingly, the connection device 1 does not suffer from problems such as a short circuit of the terminal blocks 13 and 15 due to the screws 28 missing from the screw locking portions 30 and 31 or the screws 28 being lost.

  Then, the Example which employ | adopted for the heat source apparatus the connection apparatus which has the structure similar to the connection apparatus 1 of the said embodiment is described. FIG. 5A is a front view showing the heat source device of the present embodiment, where FIG. 5B is a bottom view of FIG. 5A, FIG. 5C is a side view of FIG. 5A, and FIG. These are side views which show the positional relationship of the connection apparatus with respect to the heat-source apparatus shown to the same (a). FIG. 6 is a front view showing the connection device employed in this embodiment. FIG. 7 is a front view showing a main body case of the connection device shown in FIG. 6, and FIG. 8 is a side view thereof. 9 is a cross-sectional view taken along the line AA in FIG. 7, and FIG. 10 is a view taken in the direction of arrow B in FIG. 11 is a front view showing a bottom plate of the heat source device shown in FIG. 5, and FIG. 12 is a side view thereof. Fig.13 (a) is a side view which shows the 1st attitude | position of the connection apparatus with respect to a heat-source apparatus, The same (b) is this bottom view. Fig.14 (a) is a side view which shows the 1st attitude | position of the connection apparatus with respect to a heat-source apparatus, The same (b) is this front fragmentary broken view, (c) is this bottom view. In addition, since the connection apparatus of a present Example has the structure substantially the same as the connection apparatus 1 demonstrated in the said embodiment, it attaches | subjects the same code | symbol about a common part, and abbreviate | omits about detailed description. Further, in the following description, the positional relationship between the upper, lower, left, and right will be described based on the state in which the heat source device and the connection device are arranged as shown in FIG. 1 unless otherwise specified. Further, regarding the front-rear positional relationship, unless otherwise specified, the front side is the front side when the heat source device is installed as shown in FIG.

  In FIG. 5, 2 is a heat source device of this embodiment, and 10 is a connection device adopted for this. The heat source device 2 burns fuel supplied from the outside and heats hot and cold water by heat generated by the fuel, as in a conventionally known heat source device. The connection device 10 is mounted on the bottom surface 5 (configuration surface) side of the exterior case 3 (other member) of the heat source device 2 and is connected to an electronic substrate 6 (device) housed in the exterior case 3 (wiring 7 (equipment)). 7a, 7b) and the wiring 9 (9a, 9b) connected to the remote controller 8 (device) outside the exterior case 3 are electrically connected. The electronic board 6 constitutes a control unit that controls the operation of the heat source device 2, and receives a command transmitted from the remote controller 8 to control the temperature of the hot water.

  As shown in FIG. 6, the connection device 10 has two terminal blocks 13 and 15 built in the storage portion 12 in the main body case 35 (storage means). The main body case 35 is made of resin and has electrical insulation. The terminal blocks 13 and 15 are both formed by molding a metal plate into a predetermined shape and have conductivity.

  The main body case 35 includes the storage portion 12 formed by surrounding the bottom portion 16 with the peripheral wall 14, and has a configuration common to the main body case 11 employed in the connection device 1 of the above embodiment. Some are different. Hereinafter, the configuration of the main body case 35 will be described with a focus on the difference in configuration from the main body case 11.

  As shown in FIG. 7, the main body case 35 is raised from the bottom portion 16 on the front end 35 a side in the storage portion 12, like the main body case 11, and is a pedestal portion in which the lower holes 20 and 21 and the lower holes 22 and 23 are formed 17 and 18. A partition wall 25 is provided in the middle of the pedestal portions 17 and 18, thereby dividing both regions. As shown in FIG. 6, terminal blocks 13 and 15 having conductivity are arranged on the pedestals 17 and 18 so as not to contact each other. Thereby, the terminal blocks 13 and 15 are led out from the exterior case 3 of the heat source device 2 and connected to the wirings 7a and 7b connected to the electronic substrate 6 (device).

  The terminal blocks 13 and 15 have through-holes 26a and 26b and through-holes 27a and 27b, and are fixed by screws 28 and 28 inserted into the through-holes 26a and 27a, respectively. Screws 28 are not inserted into the through holes 26b and 27b of the terminal blocks 13 and 15, but are in communication with the pilot holes 21 and 23 provided in the pedestals 17 and 18 below the terminal blocks 13 and 15. It is said that.

  Screw engaging portions 30 and 31 that protrude from the bottom portion 16 and have lower holes 32 and 33 at substantially central portions thereof are formed in both corners on the rear end 35 b side of the main body case 35 in the storage portion 12. ing. As shown in FIG. 6, excess screws 28 that are not attached to the terminal blocks 13 and 15 in the initial state are engaged with the pilot holes 32 and 33. The screw locking portions 30 and 31 constitute a part of the main body case 35 and are made of resin. Therefore, the screws 28 locked to the screw locking portions 30 and 31 are electrically insulated from the terminal blocks 13 and 15 disposed on the base portions 17 and 18. Further, since the screw 28 is screwed and locked in the pilot holes 32 and 33, it cannot be removed even if it receives some vibrations. For this reason, in the connection device 10, the terminal blocks 13 and 15 are not short-circuited by the excessive screws 28 and 28.

  The main body case 35 has an opening 34 in the bottom portion 16, and a cylindrical portion 36 that communicates with the opening 34 and protrudes outward is formed. The tube portion 36 is for inserting the wires 9 a and 9 b connected to the remote controller 8 into the storage portion 12.

  On the front end 35a side of the main body case 35, a locking portion 40 protruding outward is formed. The locking portion 40 includes a horizontal portion 41 protruding in the horizontal direction with respect to the main body case 35 and a pair of locking claws 43 and 43 protruding upward in the vertical direction, that is, toward the opening direction of the main body case 35. Have. A claw portion 45 that bulges toward the outside (opposite side of the opposing locking claw 43) and is tapered is formed at the distal end portion of the locking claw 43. The locking claws 43 can be elastically deformed in directions close to and away from each other (in the direction of arrow A in FIG. 6). In the center of the horizontal portion 41, a columnar protruding piece 42 that protrudes vertically upward as with the locking claw 43 is provided.

  On the rear end 35b side of the main body case 35, a pair of locking pieces 46, 46 projecting in a quadrant shape from the side of the screw locking portions 30, 31 toward the upper side (opening side) of the main body case 35 are provided. It has been. At the distal end portion of the locking piece 46, there are provided a claw portion 47 and an engaging concave portion 48 which bulge out toward the outside (opposite side of the opposing locking piece 46) and are tapered. The locking pieces 46 can be elastically deformed in directions close to and away from each other (in the direction of arrow A in FIG. 6).

  The main body case 35 has a rear end horizontal portion 50 having a part of the peripheral wall 14 opened to the rear end 35b side and extending outward in the horizontal direction. A wiring holding piece 51 is provided on the rear end horizontal portion 50. The wirings 7 a and 7 b led out from the heat source device 2 are bundled and held on the wiring holding piece 51. A rotating shaft 52 extending in the width direction of the main body case 35 (left and right direction in FIGS. 6 and 7) is fixed to the rear surface side of the rear end horizontal portion 50.

  A side wall 53 extending downward in the state shown in FIGS. 8 and 9 is formed on the side of the rear end horizontal portion 50. The side wall 53 abuts against the bottom surface 5 of the heat source device 2 when the main body case 35 of the connection device 10 is changed from the posture illustrated in FIG. 13 to the posture illustrated in FIG. 14, and maintains the posture of the main body case 35.

  An engagement hole group 55 as shown in FIG. 11 is provided on the bottom surface 5 of the heat source device 2 in accordance with the shape of the main body case 35 described above. In addition, although the hole for introducing other piping into the exterior case 3 is provided in the bottom face 5 of the heat source device 2, it is not shown and is omitted. The engagement hole group 55 includes an engagement hole 56 and a movement restriction according to the shape of the main body case 35 from the back side (the arrow R side in FIG. 11) to the front side (the arrow F side in FIG. 11) of the outer case 3. The hole 57 and the opening 58 are provided.

  More specifically, the bottom surface 5 is provided with engagement holes 56, 56 at positions corresponding to the engagement claws 43, 43 of the main body case 35. A movement restricting hole 57 is provided at a position corresponding to. An opening 58 is provided at a position corresponding to the storage unit 12. The end of the opening 58 (the front side of the outer case 3) is folded in an arc shape toward the back side of the outer case 3 as shown in FIG. An engaging portion 63 is provided.

As shown in FIG. 13, the connection device 10 is normally rotatably mounted by turning the opening side of the body case 35 upward and engaging the rotation shaft 52 with the shaft engaging portion 63 of the bottom surface 5. Yes. In the state shown in FIG. 13, the locking claw 43 of the main body case 35 engages with the engagement hole 56 of the bottom surface 5, and the protruding piece 42 enters the movement restriction hole 57. Thus, the main body case 35 has the front end 35a facing the front side of the heat source device 2 (upper side in FIG. 13B) and the rear end 35b side facing the back side of the heat source device 2 (lower side in FIG. 13B). It is caught and supported by the bottom surface 5 of the outer case 3 in a facing posture. Therefore, the terminal blocks 13 and 15 accommodated in the connection device 10 are not exposed to the outside and are not exposed to wind and rain.

  When connecting the wires 7 and 9 to the terminal blocks 13 and 15 housed in the main body case 35, as shown by an arrow P in FIG. 5 is disengaged from the engagement hole 56 and rotates about the rotation shaft 52. When the main body case 35 is rotated until the side wall 53 comes into contact with the bottom surface 5 in this manner, the bottom portion 16 of the main body case 35 is substantially orthogonal to the bottom surface 5 of the exterior case 3 as shown in FIG. Become posture. Thereby, as shown in FIG. 14B, the terminal blocks 13, 15 and the like housed in the main body case 35 are exposed to the front side of the heat source device 2. Therefore, the heat source device 2 can perform wiring connection work from the front side, and the efficiency of the connection work is high.

  When the posture of the main body case 35 is changed as shown in FIG. 14 (b), the engaging recess 48 formed at the tip end portion of the locking piece 46 of the main body case 35 fits into the edge portion of the opening 58 of the bottom surface 5. In addition, the side wall 53 of the main body case 35 comes into contact with the bottom surface 5 of the outer case 3. Therefore, as shown in FIG. 14A, the posture of the main body case 35 is firmly maintained and stable even when a tool such as a screwdriver or a jig is pressed to connect the wiring 7 or other wiring. Therefore, the heat source device 2 can easily perform wiring connection work.

  Further, in the heat source device 2 of the present embodiment, when the connection device 10 is changed in posture as shown in FIG. 14B to perform wiring connection work, the terminal blocks 13 and 15 are separated from the bottom surface 5 of the heat source device 2. Move to the desired position. Therefore, the connection device 10 is free to handle tools such as a screwdriver and wiring when connecting the wiring to the terminal blocks 13 and 15.

  In the connecting device 10, terminal blocks 13 and 15 having polarity are arranged in a line on the front end 35 a side, but only one screw 28 is attached to each of the terminal blocks 13 and 15 in the initial state. It is. Furthermore, the regions of the terminal blocks 13 and 15 are divided by the partition wall 25. Therefore, the connection device 10 can determine the polarity at first glance. If the wiring device 9a and 9b should be connected to the terminal blocks 13 and 15 in the original state, only one of the terminal block 13 and the terminal block 15 is connected. There is no misconnection that would result in a connection.

  In addition, the connecting device 10 is provided with surplus through holes 26b and 27b in which the screws 28 are not mounted in the terminal blocks 13 and 15 in the initial state, and a spare for mounting in the through holes 26b and 27b. Screws 28, 28 are attached to the screw locking portions 30, 31. Therefore, when it is necessary to increase the number of wires, the screws 28 and 28 are removed from the screw locking portions 30 and 31 and attached to the through holes 26b and 27b, so that terminals can be added and the wires can be connected.

  Since the connection device 10 of the present embodiment has a configuration in which the screw 28 is screwed into and locked to the screw locking portions 30 and 31 in the main body case 35, the screw is not affected by vibrations or the like accompanying the combustion operation of the heat source device 2. There will be no problems such as the terminal 28 being dropped or the terminal blocks 13 and 15 being short-circuited.

  In the above embodiment, the connection device 10 is mounted on the bottom surface 5 of the outer case 3 constituting the heat source device 2. However, the present invention is not limited to this, and for example, the side surface, the front surface, and the rear surface of the outer case 3. Etc. may be attached. Moreover, although the example which attached the connection apparatus 10 to the heat-source apparatus 2 was illustrated in the said embodiment, this invention is not limited to this, You may attach to any other member and apparatus.

  The connecting devices 1 and 10 described above each include a terminal block 13 that functions as a terminal having a predetermined polarity P1 and a terminal block 15 that functions as a terminal having a polarity P2 different from this. However, the present invention is not limited to this, and may be provided with a larger number of terminal blocks.

  In the above embodiment, an example in which the screw 28 is used as a fixture for fixing each wiring to the terminal blocks 13 and 15 is illustrated. However, the present invention is not limited to this example. It is good also as a structure which installs fixing tools, such as a wing nut, while arrange | positioning an embedding bolt.

  Further, in the connection devices 1 and 10, the terminal blocks 13 and 15 are provided with the through holes 26a and 26b through which the screws 28 can be inserted and the through holes 27a and 27b, and the screws 28 can be attached to the body cases 11 and 35 side. However, the present invention is not limited to this. More specifically, for example, the through holes 26a and 26b and the through holes 27a and 27b of the terminal blocks 13 and 15 are tapped into a screw hole or a screw 28 (tapping screw). It is also possible to fix by a method such as caulking or adhesive fixing, and to provide a structure in which a hole that is larger than the crest diameter of the screw 28 and allows the screw 28 to escape is provided on the pedestal portions 17 and 18 side. In other words, the hole for engaging the screw 28 may be provided on either or both of the terminal blocks 13 and 15 side or the pedestal portions 17 and 18 side.

  In the connecting devices 1 and 10 described above, the pilot holes 21 to 23 and the pilot holes 32 and 33 into which the screws 28 are screwed are all cut into the grooves as the screws 28 enter. However, the present invention is not limited to this, and a screw hole that has been tapped in advance according to the screw 28 may be used.

It is a front view which shows the connection apparatus of one Embodiment of this invention. It is a perspective view which shows the connection apparatus shown in FIG. It is a disassembled perspective view which shows the connection apparatus shown in FIG. It is a front view which shows the connection state of the connection apparatus shown in FIG. 1, and two sets of wiring. (A) is a front view showing a heat source device of an embodiment of the present invention, (b) is a bottom view of (a), (c) is a side view of (a), (d). These are side views which show the positional relationship of the connection apparatus with respect to the heat-source apparatus shown to the same (a). It is a front view which shows the connection apparatus employ | adopted in the Example shown in FIG. It is a front view which shows the main body case of the connection apparatus shown in FIG. It is a side view which shows the main body case of the connection apparatus shown in FIG. It is AA sectional drawing of FIG. It is a B direction arrow directional view of FIG. It is a front view which shows the baseplate of the heat-source apparatus shown in FIG. It is a side view which shows the baseplate of the heat-source apparatus shown in FIG. (A) is a side view which shows the 1st attitude | position of the connection apparatus with respect to a heat-source apparatus, The same (b) is this bottom view. (A) is a side view which shows the 1st attitude | position of the connection apparatus with respect to a heat-source apparatus, The same (b) is this front fragmentary broken view, (c) is this bottom view. It is a front view which shows the principal part of the heat source apparatus and connection apparatus of a prior art.

1,10 connection device 2 heat source device 3 exterior case (other members)
5 Bottom (component surface)
6 Electronic board (equipment)
7a, 7b Wiring 8 Remote control (equipment)
9a, 9b Wiring 11, 35 Body case (housing means)
12 Storage part 13, 15 Terminal block 17, 18 Base part 20, 21, 22, 23 Pilot hole (mounting means)
26a, 26b, 27a, 27b Through hole 28 Screw (fixing tool)
30, 31 Screw locking part (fixing tool placement part)
32, 33 Pilot hole (mounting means)
38 Wiring 52 Rotating shaft

Claims (9)

  A connection device comprising a plurality of types of terminal blocks having polarity and a fixture for fixing wiring to the terminal blocks, wherein the plurality of wirings are electrically connected to each of the terminal blocks. A connecting device, wherein a tool is mounted, and two or more fixing tool mounting means are provided.   A connecting device that includes a plurality of types of terminal blocks having polarity and a fixture that fixes wiring to the terminal blocks, and electrically connects the plurality of wirings, and has a storage means for storing the terminal blocks, The storage means is mounted on a component surface that constitutes another member, an adjacent surface disposed at a position adjacent to the mounting surface, and an opposing surface that faces the adjacent surface and is separated from the mounting surface. And the terminal block is disposed at a position on the opposite surface side in the storage means, and each of the terminal blocks has at least one fixing tool and the quantity of the fixing tool is exceeded. A connecting device, characterized in that mounting means for mounting a fixing tool is provided.   A connecting device that includes a plurality of types of terminal blocks having polarity and a fixture that fixes wiring to the terminal blocks, and electrically connects the plurality of wirings, and has a storage means for storing the terminal blocks, The storage means is mounted on a component surface constituting another member, and is rotatable with respect to the mounting surface about a predetermined rotation axis assumed on one end side of the storage means. , Disposed in a position opposite to the rotating shaft in the storage means, and each terminal block has at least one fixing tool and a fixing tool mounting amount exceeding the number of the fixing tools. A connection device provided with a mounting means. The connecting device according to claim 2 , wherein the storage means has a contact portion that contacts a component surface of the other member in a posture in which the terminal block is exposed to the outside.   2. A storage means for storing the terminal block, and the storage means has a fixture placement portion that can be placed in a state where the fixture is electrically insulated from the terminal block. The connection device according to any one of 1 to 4.   6. The connection device according to claim 5, wherein the fixing device arranging section is provided with mounting means for mounting the fixing device, and the fixing device is arranged in a state of being screwed with the mounting device. The connecting device according to claim 2 , wherein the storage means is attached to a bottom surface of the other member.   The connecting device according to claim 1, wherein the fixing tool is a screw, and the mounting means is a pilot hole into which the screw can be screwed.   It has a connection device in any one of Claims 1 thru | or 8, and can connect the electric equipment accommodated in the main body case by the said connection device, and the electric equipment distribute | arranged outside the main body case. Heat source device.

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