KR20120024458A - A holding rail of electronic device mounting equipment - Google Patents

Abstract

PURPOSE: A holding rail of an electronic device mounting equipment is provided to regulate the movement of a casing while attaching the casing. CONSTITUTION: A member for preventing a horizontal slip(21) is formed by a plate spring including a pressure welding piece portion(22). A horizontal direction misalignment preventing mean is installed on one side edge of a rail inserting groove, when the pressure welding piece portion is protruded to the inside of a rail insertion groove(13). A slide mover(24) is moved along the width direction of the rail insertion groove. A pressure end(26) is installed in one end of the sliding person. A control portion(27) is installed in the other end of the slide mover.

Description

Mounting device for supporting rail of electric equipment {A HOLDING RAIL OF ELECTRONIC DEVICE MOUNTING EQUIPMENT}

TECHNICAL FIELD This invention relates to the mounting apparatus for support rails of an electrical apparatus used for attaching detachably attaching an electrical apparatus on a support rail.

Background Art A mounting apparatus for a support rail for attaching or detaching an electrical device such as an input / output connector or a terminal block installed in a control panel to a support rail made of a DIN rail fixed to the control panel is known (for example). See, for example, Patent Document 1).

In this type of mounting device, a rail insertion groove is formed in the bottom surface of the holding casing for holding an electric machine in the left and right direction, and a plurality of engaging clicks are opposed to both edges of the rail insertion groove. The rail insertion groove is fitted to a pair of engagement edges formed in a shape and projecting outwardly from the upper ends of both side walls along the longitudinal direction of the support rail, respectively, and both edges of the rail insertion groove. The retaining casings can be detachably mounted to the support rails by engaging the engaging clicks opposite to the respective engagement edges of the support rails.

In this mounting state, the retaining casing is held inseparably on the support rail by engaging the engaging clicks on both edges of the rail insertion groove with the engaging edges of the support rail, but in the longitudinal direction of the support rail. The slide can be moved. Therefore, as shown in Fig. 12, the fixing brackets b and b formed as separate parts are supported by the fixing brackets b and b in a state in which the fixing brackets b and b are brought into contact with the left and right ends of the holding casing a. By fixing to the rail c, the slide movement of the holding casing a is regulated (for example, refer patent document 2).

As shown in Fig. 13, the fixing bracket b is provided so as to be movable up and down in the inner side of the outer casing piece d having a substantially "C" shape in the cross section and the outer casing piece d. The inner casing piece (e) provided with a pair of engaging leg portions (f, f) protruding downward of the outer casing piece (d), and the nut (g) assembled to the inner casing piece (e). And an operation screw h that is inserted from an upper portion of the outer casing piece d, screwed to each nut g, and lifts the inner casing piece e by an operation of turning the screw. Doing. In addition, the pair of engaging legs f and f have projecting projections j and j opposed to each other at the lower end, and protrude inward, and the support rail c at the upper portion of the engaging projections j and j. A pair of insertion groove portions m, m capable of inserting the engagement edges k and k are formed.

The fixing bracket b is provided with the operation screw h in a state in which both engagement edges k and k of the support rail c are inserted into the insertion groove portions m and m of the inner casing piece e. By turning in the fastening direction, the inner casing piece e is raised to engage the engaging edges k and k of the support rail c at the lower end faces of both the locking projections j and j and the outer casing piece d. It clamps to the support rail c by pinching.

Japanese Patent Application Laid-Open No. 1995-254447 Japanese Laid-Open Patent Publication No. 2009-224104

In the mounting apparatus for the support rail of the conventional structure, in order to restrict the slide movement on the support rail (c) of the holding casing (a), since two fixing brackets (b, b) formed as separate components are needed, the number of parts There is a problem to increase, and in the fixing of the fixing brackets b and b, each operation screw h must be turned and tightened strongly, and the position after the holding casing a is attached to the support rail c. When it is necessary to change the pressure, the operating screws (h, h) of the respective fixing brackets (b, b) are loosened, respectively, and the retaining casing (a) and the fixing brackets (b, b) are moved, and each operating screw ( Since the operation of tightening h, h) must be performed strongly, trouble and time are required for fixing and moving the holding casing a, and there is a problem in that work efficiency is poor.

This invention is made | formed in order to solve such a conventional problem, The movement control of the holding casing with respect to a support rail can be performed very easily without using a fixed bracket, and the position movement after mounting can be simplified. It is an object to provide a mounting apparatus for a support rail of an electric machine.

The present invention is formed on a bottom surface of a holding casing for holding an electric device on a support rail comprising a pair of engaging edges each projecting outward from an upper end of both sidewalls along a longitudinal direction, so as to oppose both edges. In the mounting apparatus for the support rail of an electric machine which attaches and detachably attaches the said holding casing to a support rail by mounting and mounting the rail insertion groove provided with the locking click, With the leaf | plate spring provided with a pressing piece part, And a lateral displacement preventing member provided at one edge of the rail insertion groove in a state in which the press-contact piece protrudes into the rail insertion groove, and is removably installed along the width direction of the rail insertion groove. A pressing end that can be pressed from the other edge side of the rail insertion groove is provided, and the other end of the rail insertion groove is provided. And a slide mover provided with an operation portion positioned on an outer surface portion of the holding casing at the side edge side, and the press contact piece is pressed against one engagement edge of the support rail by its elasticity to the support rail. The lock state for restricting the movement of the holding casing and the pressing operation of the operation unit allow the pressing piece to be pressed into the pressing end of the slide mover so as to be converted into the unlocking state spaced apart from the engaging edge of the support rail. It is a mounting apparatus for the support rail of an electrical apparatus characterized by the above-mentioned.

In the mounting apparatus for a support rail for an electric machine, a configuration is proposed in which the press-contacting piece of the transverse displacement preventing member is formed with a substantially V-shaped incision, that is, a cut-in groove, in which an engagement edge of the support rail is recessed. do.

In addition, a pair of pressing pieces are provided at both ends of the leaf spring extending along one edge of the rail inserting groove, and a configuration in which both pressing pieces are symmetrically protruded into the rail inserting groove is proposed.

Moreover, the structure which the latch click formed in the other edge of the rail insertion groove which opposes a lateral shift prevention member is formed integrally with a slide mover is proposed.

Moreover, the structure which the non-slip part which consists of many unevenness | corrugation is formed in the outer side surface of an operation part, and the outer side surface of the side wall part of the holding casing which opposes the said operation part is proposed.

The present invention, as described above, is formed on the bottom surface of the holding casing for holding an electric machine on a support rail comprising a pair of engagement edges each projecting outward from the upper end of both sidewalls along the longitudinal direction, A mounting apparatus for a support rail of an electric machine that detachably mounts the retaining casing to a support rail by inserting and mounting a rail inserting groove having a locking click opposite to both edges, the horizontal being made of a leaf spring with a pressure contact piece. A pressing end is provided at one edge of the rail insertion groove in a state where the shift preventing member protrudes into the rail insertion groove, and at one end, a pressing end capable of pressing the press-contact piece from the other edge side of the rail insertion groove is provided, and at the other end of the pressing end. Slab provided with an operating part located on the outer side part of the holding casing at the other edge side of the rail insertion groove. The guide mover is provided so as to be able to move forward and backward along the width direction of the rail insertion groove, and the pressing contact portion of the transverse shift preventing member is pressed against one of the engagement edges of the supporting rail by its elasticity to the supporting rail. The lock state for restricting the movement of the holding casing and the pressing operation of the operating portion, the pressing contact portion is pressed to the pressing end of the slide mover to be converted into a locked release state spaced apart from the engaging edge of the support rail. Therefore, the rail inserting groove of the retaining casing is fitted to both engaging edges of the support rail, and the engaging clicks opposite to both engaging edges of the supporting rail are engaged with the retaining casings of the supporting rail, respectively. When it is mounted on the support rail, the pressure-contacting piece of the lateral shift preventing member protruding into the rail insertion groove depends on its elasticity. Engagement of one of the support rails is in a locked state of pressure contact with the alignment edge, it is possible to restrict the movement of the holding casing of the holding casing mounted to the support rail and at the same time. Thereby, the movement regulation of the holding casing with respect to the support rail can be performed very easily without using the fixing bracket like the conventional one.

In the mounting state of the holding casing, when it is necessary to change the mounting position of the holding casing, pressing the operation portion with a finger causes the pressing contact portion of the horizontal shift preventing member to be pressed against the pressing end of the slide mover. By being in the unlocked state spaced apart from the engaging edge of the support rail, the retaining casing can be slid along the support rail while maintaining the unlocked state, and the pressing operation against the operation unit is stopped at the desired position. Again, the press-contacting piece is brought into a locked state by press-fitting the engaging edge of the support rail by its elasticity. Thereby, the position movement after mounting can be easily performed.

In the mounting apparatus for supporting rails of the above-mentioned electrical apparatus, in the structure in which the groove | channel which is a substantially V-shaped cut in which the engagement edge of the support rail was cut | disconnected is formed in the press-contact piece of the horizontal shift prevention member, the press-contact piece is in a locked state. When is in the state, the engaging edge of the support rail is dug into the inner end of the cut-in groove, so that the movement of the holding casing can be more firmly regulated.

In addition, a pair of pressing pieces having the cut-in grooves are installed at both ends of the leaf spring extending along one edge of the rail inserting groove, and both of the pressing pieces are symmetrically projected into the rail inserting grooves. In the configuration, even if a force for moving the support rail on the retaining casing is applied in either of the right and left directions, the engagement edge of the support rail is recessed in the inner end of the groove, which is the cut of either of the press-contact pieces. It is possible to more reliably regulate the movement of the holding casing.

In addition, in the structure in which the locking click formed at the other edge of the rail insertion groove opposite to the horizontal displacement preventing member is formed integrally with the slide mover, the locking click does not need to be formed separately, thereby simplifying the structure. Can be.

Moreover, in the structure in which the non-slip part which consists of many unevenness | corrugation is formed in the outer surface of the operation part, and the outer surface of the side wall part of the holding casing which opposes the said operation part, the outer surface of the operation part and the outer surface of the side wall part are finger-held. When the holding casing is held in a locked state and the holding casing is moved, the sliding action of the fingers can be obtained by the two anti-slip portions, so that the operability at the time of positioning the holding casing becomes excellent.

1 is a view showing a state in which a holding casing 2 of a support rail mounting apparatus 1 according to the present invention is mounted on a support rail 7, (A) is a plan view thereof, and (B) is an external perspective view thereof. .
2 is a longitudinal side view of the electric appliance held on top of the holding casing 2.
3 is a bottom view of the holding casing 2.
4 is a perspective view of the front side inverted up and down of the holding casing 2.
FIG. 5 is a perspective view of the back side inverted and shown upside down of the holding casing 2.
6 is a vertically reversed perspective view of the holding casing 2 in which the lateral shift preventing member 21 and the slide mover 24 are shown separately.
FIG. 7: is explanatory drawing which showed the state in which the engagement edge 9a of the support rail 7 was dug in the groove | channel 23, 23 which is cut of the press-contact piece 22, 22. As shown in FIG.
FIG. 8: is explanatory drawing which showed the mounting operation of the holding casing 2 with respect to the support rail 7. As shown in FIG.
9 is a bottom view of the support rail 7 and the holding casing 2 which show the locked state of the press contact pieces 22 and 22.
10 is a bottom view of the support rail 7 and the retaining casing 2 showing the unlocked state of the press contact pieces 22 and 22.
11 is a perspective view of various lateral shift preventing members 21 according to the modified embodiment.
12 is a plan view showing a conventional configuration.
13 is an exploded perspective view of a conventional fixing bracket b.

EMBODIMENT OF THE INVENTION Below, one Example of the mounting apparatus for support rails of the electrical apparatus which concerns on this invention is described with reference to FIGS.

The mounting apparatus 1 for support rails is equipped with the holding casing 2 formed in the rectangle which hold | maintains an electric machine, as shown in FIG. Here, the electric device is composed of an input / output connector 3 having a plurality of pin terminals 4 and terminal blocks 5 and 5 arranged in two rows in front and rear, and as shown in FIG. ), And are connected by necessary printed wiring (not shown). And the electrical device is hold | maintained in the holding casing 2 by attaching this printed board 6 to the upper part of the holding casing 2 so that attachment or detachment is possible. The electrical equipment held by the holding casing 2 may be other than the input / output connector 3 and the terminal blocks 5 and 5.

On the other hand, the support rail 7 for attaching the holding casing 2 for holding the electric device is formed in a substantially "c" shape in cross section, as shown in Figs. A pair of engagement edges 9a, 9b protrude outward from the top of both sidewalls 8, 8, respectively. The support rail 7 is fixed to the control panel by a screw (not shown) inserted into the plurality of long holes 11 formed in the bottom plate portion 10.

On the bottom face 12 of the holding casing 2, as shown in FIG. 3, FIG. 4, the rail insertion groove 13 opened in the left-right direction is formed. Opposing edges 12a of the one side edge 14a of the rail insertion groove 13 face the bottom surface 12 of the retaining casing 2 in the up-down direction, and one engagement edge 9a of the support rail 7 is supported. A pair of fixed locking clicks 16 and 16 are formed to allow the insertion gap 15 to be inserted. In addition, as shown in FIGS. 3 and 5, the center portion of the other edge 14b of the rail insertion groove 13 faces the width engaging direction with the fixed locking clicks 16 and 16, and the holding casing 2 is also provided. A pair of movable locking clicks which face the bottom surface 12 of the support rail 7 so as to form an insertion gap 17 (see FIG. 8) into which the other engagement edge 9b of the support rail 7 can be inserted. (18, 18) are formed. Here, the movable locking clicks 18 and 18 are integrally formed with the slide mover 24 to be described later, and the lower surfaces of the movable locking clicks 18 and 18 are inclined toward the inside of the rail insertion groove 13. The guide inclined surfaces 19 and 19 are formed.

As shown in FIG. 6, the center of the lower bottom 12 of the retaining casing 2 is positioned above the rail inserting groove 13 so that the receiving groove 20 has a width direction of the rail inserting groove 13. It is formed along. 3 and 4, the transverse shift preventing member 21 is provided in the housing groove 20 at the side of the side edge 14a of the rail insertion groove 13. The lateral shift preventing member 21 is formed of a leaf spring having the pressure contact pieces 22 and 22 and returns both ends of the leaf spring extending along one side edge 14a of the rail insertion groove 13. A pair of press-contact piece 22, 22 is provided, and the press-contact piece 22, 22 is projected inclined in the rail insertion groove 13 in a symmetrical state. In addition, as shown in FIG. 7, groove | channel 23 which is a substantially V-shaped cut which can excavate one engagement edge 9a of the support rail 7 is provided in both press-contact piece parts 22 and 22. As shown in FIG. Each is formed. The grooves 23 and 23 that are both cut are formed at substantially the same height position as the insertion gaps 15 and 15 of the above-described locking clicks 16 and 16, and the support rails are fixed to the locking clicks 16 and 16. When one engagement edge 9a of (7) is engaged, the engagement edge 9a is inserted into the grooves 23 and 23 which are both cuts.

In addition, in the storage groove 20, a rectangular slide mover 24 is provided so as to be able to move forward and backward along the width direction of the rail insertion groove 13. One end of the slide mover 24 is provided with press ends 26 and 26 for pressing the press-contact piece 22 and 22 from the other edge 14b side of the rail insertion groove 13, while the slide mover ( At the other end of 24, an operation unit 27 is provided which is located at the outer side 2a portion of the holding casing 2 at the other edge 14 side of the rail insertion groove 13.

In the slide mover 24, thin-type engagement step edges 28 and 28 (refer to FIG. 6) are formed along the width direction of the rail insertion groove 13 on both left and right sides thereof. The step edges 28 and 28 are supported by a plurality of support piece portions 29 protruding from the opening edge of the receiving groove 20. As a result, the slide mover 24 does not fall downward.

In addition, two locking step portions 30a and 30b (see Fig. 6) protrude downward from the ceiling wall surface 20a of the accommodation groove 20, and the locking step portions 30a and 30b are opposed to each other. The female stopper piece parts 32a and 32b provided in the slide mover 24 are engaged with the surface 31a and 31b, respectively (refer FIG. 3). Here, the slide mover 24 is formed using the synthetic resin which can be slightly elastically deformed, and when the slide mover 24 is moved forward and backward and any one of the said female stopper piece parts 32a and 32b elastically deforms, The slide mover 24 is returned to the state position before the movement by the elastic return force.

Moreover, the outer surface of the operation part 27 of the slide mover 24 is concave in circular arc shape, and as shown in FIG. 4, the non-slip part 33 which consists of many unevenness | corrugation is formed in the outer surface. . Furthermore, as shown in FIG. 5, the non-slip part 34 which consists of many unevenness | corrugation is formed also in the outer side surface 2b of the side wall part 2c of the holding casing 2 which opposes the said operation part 27, have.

In such a configuration, in order to mount the holding casing 2 holding the electric device on the support rail 7, as shown in FIG. 8, the rail is inserted into one engagement edge 9 a of the support rail 7. When the locking clicks 16 and 16 of the groove 13 are engaged, at the same time, the engaging edge 9a is cut into the grooves 23 and 23 which are cuts of the press-contacting portions 22 and 22 of the horizontal displacement preventing member 21. ) Is inserted. Then, when the retaining casing 2 is rotated downward in this state, the guide inclined surfaces 19 and 19 of the movable locking clicks 18 and 18 are located at the tip of the engaging edge 9b on the other side of the support rail 7. Abuts and presses the holding casing 2 downward in this state, the movable locking clicks 18, 18 are moved outwards through the guide action of the guide inclined surfaces 19, 19, and the rail insertion groove 13 The engagement edge 9b of the support rail 7 is inserted in and inserted in it. At this time, when the movable stop clicks 18 and 18 are integrally formed with the slide mover 24, the slide mover 24 moves outward together with the movable clicks 18 and 18. The female stopper piece 32b of 24 is elastically deformed by engaging with the locking step part 30b of the storage groove 20, and elastic force is accumulated, and the movable locking clicks 18 and 18 are supported. When passing through the engaging edge 9b of the rail 7, the slide mover 24 is attracted and returned by the elastic force of the said female stopper piece part 32b, and the movable locking clicks 18 and 18 are supported by the support rail 7 The engagement state of the holding casing 2 is maintained by engaging with the lower surface of the engagement edge 9b.

And in the mounting state of the holding casing 2 as mentioned above, as shown in FIG. 9, the engagement of the support rail 7 inserted into the grooves 23 and 23 which are cuts of the press-contact piece parts 22 and 22 is engaged. By the edge 9a, the press-contact piece 22, 22 is pressed to one side edge 14a side of the rail insertion groove 13, and a resilience force is produced, and the engagement edge of the support rail 7 is caused by the repulsion force. The press contact piece portions 22 and 22 are in a locked state in contact with 9a. Thereby, the movement of the said holding casing 2 can be regulated simultaneously with the mounting of the holding casing 2 with respect to the support rail 7, and the movement control of the holding casing 2 with respect to the support rail 7 can be regulated as usual. This can be done very easily without using a fixed bracket.

In addition, the grooves 23 (see Fig. 7), which are substantially V-shaped cuts, are formed in the pressing pieces 22 and 22, respectively, so that the pressing pieces 22 and 22 are in the locked state as described above. At this time, the engagement edge 9a of the support rail 7 is recessed in the inner end of the cut-out grooves 23 and 23 of the press-contact piece 22 and 22, so that the movement of the holding casing 2 is restricted. It can be done firmly.

In addition, since the pair of press-fit pieces 22 and 22 protrude inclined into the rail insertion groove 13 in a symmetrical state, the force to move the support rail 7 on the retaining casing 2 is left and right. Even if it is applied in the direction of, the engaging edge 9a of the support rail 7 is further recessed in the inner end of the groove 23, which is the cut of any one of the contact pieces 22, the holding casing 2 It is possible to more precisely regulate the movement of the car.

On the other hand, in the mounting state of the holding casing 2 described above, when it is necessary to change the mounting position of the holding casing 2, if the operation unit 27 of the slide mover 24 is pressed by a finger, Fig. As shown in FIG. 10, the press contact piece parts 22 and 22 of the horizontal shift | offset | difference prevention member 21 are pressed by the press ends 26 and 26 of the slide mover 24, and the said press contact piece parts 22 and 22 support rails. The lock release state is spaced apart from the engagement edge 9a of (7). Then, the retaining casing 2 can be slid along the support rail 7 while the lock release state is maintained. When the pressing operation with respect to the operation unit 27 is stopped at the desired position, the pressing contact portion 22, 22 is in the locked state which is pressed against the engagement edge 9a of the support rail 7 by the elasticity. Thereby, the position movement after mounting can be easily performed.

Moreover, the non-slip parts 33 and 34 which consist of many unevenness | corrugation are formed in the outer side surface of the operation part 27 and the outer side surface 2b of the side wall part 2c of the holding casing 2 which opposes the said operation part 27. By being provided, in the slide movement of the holding casing 2 as described above, when the outer surface of the operation part 27 and the outer surface 2b of the side wall part 2c are pinched with a finger, both anti-slip parts ( Since the anti-slip action of the finger can be obtained by 33 and 34, excellent operability can be obtained when the holding casing 2 is moved.

And in the above-mentioned embodiment, although the pair of press-contact pieces 22 and 22 are provided symmetrically at the both ends of the leaf spring, instead of the rail as shown in the modified example shown in FIG. A single press contact piece 22 protruding into the insertion groove 13 may be provided, and the press contact piece 22 may be formed with a groove 23 which is a substantially V-shaped cut. In addition, as in the modified example shown in FIG. 11B, the press-contact piece 22, 22 is not formed in the press-contact piece 22, 22 without forming cut-out grooves 23, 23 (see FIG. 7). It is also possible to press-contact the piece 22, 22 to the engagement edge 9a of the support rail 7 only by the elastic force, and to hold | maintain the position of the holding casing 2. As shown in FIG. In this case, compared with the cut grooves 23 and 23 (refer to FIG. 7), the position holding force is slightly reduced, and sufficient movement regulation that can withstand practical use can be performed.

1: Mounting device for the support rail
2: keeping casing
2b: outer side
2c: side wall
3: I / O connector (electrical device)
5: terminal block (electrical equipment)
7: supporting rail
8: sidewall
9a, 9b: engagement edge
13: Rail insertion groove
14a: one side edge
14b: other edge
16: Fixed Jam Click (Jam Click)
18: Click on running jam (click on jam)
21: Horizontal shift prevention member
22: pressure contact part
23: Cut-In Home
24: Slide mover
26: pressing end
27: control panel
33, 34: slipper

Claims (5)

It is formed on the bottom surface of the holding casing which holds an electric machine in the support rail which consists of a pair of engagement edge which protruded outward from the upper end of both side walls along the longitudinal direction, respectively, In the mounting apparatus for the support rail of the electric machine which attaches and detachably attaches the said holding casing to a support rail by inserting and mounting the rail insertion groove provided with the locking click which opposes the edge,
A transverse shift preventing member formed of a leaf spring having a pressure contact piece, and provided at one edge of the rail insertion groove in a state in which the pressure contact piece protrudes into the rail insertion groove;
A pressing end is provided so as to be able to move forward and backward along the width direction of the rail inserting groove, and to press the press-contacting piece to one end from the other edge side of the rail inserting groove. Slide mover provided with an operation part located at the other end in the outer surface part of a holding casing at the other edge side of the said rail insertion groove.
, ≪ / RTI >
The press-contact piece is in a locked state that press-contacts one engagement edge of the support rail by its elasticity to regulate the movement of the holding casing with respect to the support rail, and by pressing against the operation unit, A mounting apparatus for a support rail for an electric machine, wherein the press-contact piece is pressed to the pressing end of the slide mover and is converted into a locked release state spaced apart from the engaging edge of the support rail. The method of claim 1,
An approximately V-shaped infeed, that is, a cut-in groove in which the engagement edge of the support rail is recessed, is formed in the pressure-contacting piece of the transverse shift preventing member. The method according to claim 1 or 2,
A pair of pressing pieces are installed at both ends of the leaf spring extending along one edge of the rail inserting groove, protruding obliquely into the rail inserting groove in a state in which the both pressing pieces are symmetrical, for the support rail of the electric machine Mounting device. 4. The method according to any one of claims 1 to 3,
The engaging click formed on the other edge of the said rail insertion groove which opposes the said horizontal shift prevention member is integrally formed with the said slide mover, The mounting apparatus for the supporting rails of an electric machine. 4. The method according to any one of claims 1 to 3,
The non-slip | sticker part which consists of many unevenness | corrugation is formed in the outer side surface of the said operation part, and the outer side surface of the side wall part of the holding casing which opposes the said operation part.

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