JP6292094B2 - Recorder expansion unit - Google Patents

Description

  The present invention relates to an exterior structure of an extension unit for a recorder that is inserted into an extension slot of the recorder.

  The recorder is a device that records the temperature, pressure, flow rate, etc. of the process in various industrial plants, and is used for management records in the manufacturing process of products. Various types of recorders have been commercialized, and various functions have been implemented.

  For example, as shown in FIG. 7A, a recorder 300 in which an expansion slot 320 is provided on the front surface and an expansion unit 400 can be inserted has been commercialized. The expansion slot 320 is exposed forward by opening the front door 301.

  For example, as shown in FIG. 7B, the expansion unit 400 can be connected to the cable 410 while being inserted into the expansion slot 320. By connecting the other end of the cable 410 to the PC, the recorder The 300 CPU and the PC can communicate with each other.

  In general, the cable 410 is not always connected, and since the front door 301 is not closed in the connected state, the extension unit 400 can be easily removed. For this reason, the expansion unit 400 does not have a lock mechanism and can be pulled out from the recorder 300 by pulling lightly.

JP 2002-342717 A

  In recent years, portable recording media such as SD cards have been widely used, and there is a demand for recording data collected by a recorder, setting information, and the like on a portable recording medium. In this case, it can be realized by developing an expansion unit for accessing a portable recording medium and inserting it into the expansion slot.

  By the way, if it is an expansion unit of a portable recording medium, it is hardly necessary to remove it once it is attached to the expansion slot, and even when attached, it does not affect the opening and closing of the front door 301. On the other hand, if it can be easily removed, communication may be interrupted during access, which may adversely affect the recording medium. For this reason, it is desirable that the expansion unit of the portable recording medium includes a lock mechanism such as a latch.

  However, since the expansion slot 320 of the recorder 300 does not assume a locking mechanism, a dedicated latch receiver is not formed. For this reason, it is necessary to divert the recessed part and clearance gap which are formed without planning as a latch receptacle to a latch receptacle.

  It is desirable that the portable recording medium expansion unit can be used universally for a plurality of types of recorders 300 having the expansion slot 320. However, since such recesses and gaps are not essential, the design is convenient. For example, the position differs for each type of recorder 300. For this reason, the normal latch mechanism cannot support a plurality of models.

  Further, it is desirable to provide a guide mechanism that prevents the expansion unit from being pushed in an inclined state so that the latch mechanism works reliably when the expansion unit including the latch mechanism is inserted into the expansion slot. In this case, the function as a guide mechanism cannot be sufficiently exhibited unless it has a certain level of strength.

  Therefore, an object of the present invention is to provide a recorder extension unit having a latch mechanism corresponding to a plurality of types of extension slots having different internal shapes and a guide mechanism having sufficient strength.

In order to solve the above problems, an extension unit for a recorder according to the present invention includes a snap-fit portion having a both-end support beam structure formed from the insertion tip on the left and right side surfaces to the center portion, and the snap-fit portion extends along the side surface. A protruding rib-shaped guide portion, a first latch portion that is gently inclined toward the insertion direction and is formed above the guide portion, and is formed on the guide portion so as to be shifted from the first latch portion. And a second latch portion having a gentle slope on the insertion direction side.
Here, it is desirable that the first latch portion and the second latch portion protrude outward from the insertion-side distal end portion of the guide portion.

  According to the present invention, there is provided an expansion unit for a recorder having a latch mechanism corresponding to a plurality of types of expansion slots having different internal shapes and a sufficiently strong guide mechanism.

It is a figure which shows the recorder and the expansion unit for recorders of this embodiment. It is a perspective view of the expansion unit for recorders. FIG. 6 is a six-sided view of a recorder extension unit. It is a figure which shows the state which opened the front door of the recorder. It is a figure which shows the state which inserted the expansion unit for recorders in the expansion unit. It is a figure which shows the state which inserted the expansion unit for recorders in the expansion unit. It is a figure which shows a recorder and the conventional expansion unit for recorders.

  Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing a recorder extension unit 100 according to the present embodiment. As shown in the figure, the recorder extension unit 100 has a thin rectangular card shape and is inserted into the extension slot 320 of the recorder 300.

  The recorder extension unit 100 of this embodiment can be loaded with an SD card 200, and the function is extended so that the recorder 300 can read and write to the SD card 200. However, the recorder extension unit 100 may be an extension unit for other uses such as wireless communication and a USB controller. The recorder extension unit 100 does not have a cable and has a sufficiently short depth, and therefore does not affect the opening and closing of the front door 301 in the inserted state.

  FIG. 2 is a perspective view of the recorder extension unit 100. This figure is the figure seen from the insertion side. As shown in the figure, the recorder extension unit 100 has a snap-fit portion 110 formed on both left and right side surfaces, a connector 120 for electrically connecting to the recorder 300 on the upper surface, and a stopper at the time of insertion. And a protrusion 121.

  The snap fit portion 110 is formed from the distal end on the insertion side to the middle of the recorder extension unit 100, and has a beam structure supported by both ends of the distal end portion 110a on the insertion side and the intermediate root portion 110b. The insertion-side distal end portion 110a of the snap fit portion 110 protrudes from the distal end portion 122 of the main body. For this reason, at the time of insertion, the insertion side front end portion 110a of the snap fit portion 110 first enters the expansion slot 320 of the recorder.

  Since the snap fit portion 110 is fixed to the main body of the recording meter extension unit 100 at both ends of the insertion side distal end portion 110a and the intermediate root portion 110b, the snap fit portion 110 bends inward when pressed from the left and right side surfaces. In addition, since the snap fit part 110 is formed symmetrically with the left and right side surfaces, one side surface will be described below as an example.

  A guide portion 101 having a rib structure projecting in a convex shape is formed from the insertion side front end to the insertion side rear end at the lower portion of both side surfaces of the recorder extension unit 100 including the snap fit portion 110. When the recorder extension unit 100 is inserted, the upper surface of the guide unit 101 is pressed from above to prevent the recorder extension unit 100 from tilting in the vertical direction, and the side face is pressed from the side so that recording can be performed. The meter expansion unit 100 is prevented from tilting in the left-right direction.

  A first latch portion 111 and a second latch portion 112 are formed in an intermediate portion of the snap fit portion 110 in a state of protruding outward. Both the first latch portion 111 and the second latch portion 112 are formed with a gentle slope on the insertion direction side, and the opposite side is formed substantially perpendicular to the side surface, so that the recorder extension unit 100 is connected to the extension slot 320 of the recorder 300. When one of the latch portions (111, 112) is inserted into the slot, the latch portion (111, 112) fits into the edge of the recess or gap in the expansion slot 320 so that it cannot be easily removed.

  The first latch part 111 and the second latch part 112 are formed to be shifted up and down. In the present embodiment, the first latch part 111 is formed above the guide part 101, and the second latch part 112 is , Formed on the guide portion 101. In any of the latch portions (111, 112), the top protrudes outside the guide portion tip 101a. Since the second latch portion 112 is formed on the guide portion 101, it also functions as a guide portion.

  Further, the first latch portion 111 and the second latch portion 112 are formed to be shifted in the front-rear direction, and in this embodiment, are formed on the insertion side with respect to the second latch portion 112. However, depending on the shape of the expansion slot 320, the front-rear relationship between the first latch unit 111 and the second latch unit 112 may be reversed.

  Due to the positional relationship between the first latch unit 111 and the second latch unit 112, the first latch unit 111 is inserted into the expansion slot 320 at a relatively upper position in the expansion unit for recorder 100 according to this embodiment. The second latch portion 112 is fitted to the edge portion of the concave portion or gap formed on the near side below the concave portion or gap formed on the side.

  FIG. 3 shows a six-sided view of the recorder extension unit 100. That is, they are a top view, a front view, a rear view, a left side view, a right side view, and a bottom view. In this figure, the figure seen from the insertion side in FIG. 2 is a rear view. Note that details are simplified in this figure.

  4 shows a state in which the front door 301 of the recorder 300 is opened. FIG. 4A is an overall view, and FIG. 4B is an enlarged view of the expansion slot 320 portion. As shown in FIG. 4B, the expansion slot 320 has a convex shape with the lower side expanded left and right, and the side surface and the upper surface of the guide unit 101 of the recording meter expansion unit 100 are formed in the groove 321 expanded on the lower side. To match. However, depending on the type of the recorder 300, the groove portion 321 may not be formed. In this case, the side surface of the guide part 101 may be aligned with the side surface of the expansion slot 320.

  When the recorder extension unit 100 is inserted into the extension slot 320 having a convex shape having the groove portions 321 on the left and right as shown in FIG. 4B, first, it is positioned at the insertion-side tip portion 110a of the snap fit portion 110. The guide tip 101a is inserted into the groove 321. At this time, the insertion-side tip portion 110a of the snap-fit portion 110 is not supported at one end of the root but is supported at both ends, and thus has sufficient strength, and thus functions as a guide for insertion positioning.

  When the recorder extension unit 100 is pushed in while the guide part 101 is fitted in the groove part 321 of the extension slot 320, the snap fit part 110 is bent by being pushed from the side wall of the extension slot 320. That is, since the first latch portion 111 and the second latch portion 112 protrude outwardly, at least one of the latches contacts the side wall of the expansion slot 320 to bend the snap fit portion 110.

  Since the second latch portion 112 is formed on the guide portion 101 and protrudes outward from the guide portion 101, even if the snap fit portion 110 bends inwardly, the second latch portion 112 does not extend from the expansion slot 320. It remains in the groove portion 321 and the function as a guide can be maintained.

  When further inserted, either the first latch portion 111 or the second latch portion 112 engages with the recess in the expansion slot 320 or the edge portion of the gap, and the snap fit portion 110 is not bent and becomes locked.

  FIG. 5 shows a case where the first latch unit 111 uses an edge portion between the wall 322 of the expansion slot 320 and the inner space as a latch receiver. Since the wall 322 has a space in the lower part, it does not contact the side surface of the second latch part 112. Further, the protrusion 121 serves as a stopper in the insertion direction. In this case, at the time of insertion, the first latch portion 111 comes into contact with the wall 322, so that the snap fit portion 110 bends, and when the first latch portion 111 exceeds the wall 322, the snap fit portion 110 bends. It will be in a locked state.

  FIG. 6 shows a case where the recorder extension unit 100 is inserted into an extension slot 320 having a shape different from that of the extension slot 320 shown in FIG. In this example, the case where the second latch portion 112 uses the edge portion between the wall 323 of the expansion slot 320 and the inner space as a latch receiver is shown. In this case, at the time of insertion, the first latch portion 111 and the second latch portion 112 come into contact with the wall 323, so that the snap fit portion 110 is bent, the first latch portion 111 exceeds the wall 323, and further the second latch portion 112. At the stage where the wall 323 is exceeded, the snap fit portion 110 is released from bending and becomes locked.

  Thus, since the recorder extension unit 100 of the present embodiment includes the first latch portion 111 and the second latch portion 112 that are formed to be shifted in the vertical direction and the front-rear direction, a plurality of different internal shapes are provided. It can accommodate various types of expansion slots.

  In addition, since the guide portion 101 is formed in the snap fit portion 110 having a beam structure supported by both ends of the insertion side distal end portion 110a and the intermediate root portion 110b, the guide portion 101 is formed in a single beam structure. In comparison, the guide portion 111 has sufficient strength.

  Further, since the second latch portion 112 is formed on the guide portion 101, the second latch portion 112 remains in the groove portion 321 of the expansion slot 320 even when the guide portion 101 is bent inward, and the guide function is provided. Can be maintained.

DESCRIPTION OF SYMBOLS 100 ... Expansion unit for recorders, 101 ... Guide part, 110 ... Snap fitting part, 111 ... 1st latch part, 112 ... 2nd latch part, 120 ... Connector, 121 ... Projection part, 122 ... Main body tip part, 200 ... SD card, 300 ... recorder, 301 ... front door, 320 ... expansion slot, 321 ... groove, 322 ... wall, 323 ... wall

Claims (2)

An extension unit for a recorder to be inserted into an extension slot of the recorder,
Equipped with a snap fit part with a double-end support beam structure formed from the insertion tip on the left and right sides to the center part,
The snap fit portion is
A rib-shaped guide portion protruding along the side surface;
A first latch portion that is formed above the guide portion and has a gentle slope toward the insertion direction;
An extension unit for a recorder, comprising: a second latch part that is formed on the guide part so as to be shifted from the first latch part in the front-rear direction and has a gentle slope toward the insertion direction.   2. The recording meter expansion unit according to claim 1, wherein the first latch portion and the second latch portion protrude outward from a distal end portion on the insertion side of the guide portion.