JPH04137374U - Main body and unit connector protection device - Google Patents

Abstract

(57) [Summary] [Purpose] In a device that has a unit that can be attached to and detached from the main body, and has a main body and unit that are equipped with a pair of connectors that are connected by the operation of attaching the unit to the main body, it is possible to remove the unit from the main body. There is a risk of touching the connector on the main body side with your hand, and if you touch it with your hand, static electricity from the person may be transmitted from the connector to the internal element, and the element may be destroyed. [Structure] A conductive cover 6 is rotatably biased on the main body 1 side by a shaft 5 in a direction to close the main body side connector opening 8.
7 is provided, and a cover opening member (direct-acting cam) 9 is provided on the unit 2 side to act on the covers 6 and 7 to open the covers 6 and 7 when the unit 2 is attached to the main body 1.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention allows the user to move the internal unit forward when handling paper jams, etc. or the main body side of office equipment such as a copying machine that is configured to be pulled out from the side. This relates to a cover for a connector section that connects wiring on the unit side.

0002

[Conventional technology]

When users clear paper jams in office equipment such as copying machines, Normally, the affected area cannot be easily seen, and improvement is always required. There is. Also, paper removal work often requires reaching inside the machine, so for safety reasons, Not good for people.

0003 To avoid the above disadvantages, the internal paper passing section can be easily moved forward or sideways by the user. Structures that allow this to be drawn out have been proposed and implemented.

0004 A unit configured to be pulled out in this way usually contains a motor, heater, and sensor. or An example of connecting using a stretchable cord without using a connector, although the cost is higher. There is.

[0005]

[Problem that the idea aims to solve]

However, when using an intermittent connector in the conventional example, the user When pulling the unit forward to clear paper jams, etc., If the user's hand etc. comes into contact with the pin (conducting part) of the side connector, the user may The operation of the main body of a copying machine, etc. that is electrically connected to its connector due to static electricity charged on the person's body. Devices such as integrated circuits used in controllers to control operations may be destroyed. There is a possibility that

[0006] The present invention has been made to address the above-mentioned drawbacks.

[0007]

[Means to solve the problem]

The first idea of the present invention has a unit that is detachable from the main body, and the unit is attached to the main body. They are connected by the action of putting them on, and they are mutually connected by the action of pulling out the units from the main body. In a device that has a main body and a unit with a pair of connectors spaced apart from each other, the main body side A cover is provided that is freely displaceable and biased in the direction of closing the connector opening on the main body side. When the unit is attached to the main body, the cover is forcibly opened by acting on the cover. A protective device for the connector of the main body and unit, which is characterized by a cover opening member. be.

[0008] The second idea of the present invention is that the connector of the main body is connected to an electric circuit using a semiconductor element. This is a connector protection device for a main body and a unit according to the first invention.

[0009] The third invention of the present invention combines the main body and unit described in the first invention, wherein the cover is conductive. This is a knitted connector protection device.

0010 According to the present invention, when the unit is pulled out, the cover near the connector on the main body side is The bar forcibly covers the front of the connector by being displaced due to rotation or sliding movement. Therefore, the user's hand does not come into direct contact with the pin.

[0011] Also, even if the user accidentally moves the cover directly and touches the pin, the conductive If the cover is used, static electricity charged on the user's body will be grounded and dissipated the moment the user touches the cover. This prevents the element from being destroyed.

0012

【Example】

Hereinafter, embodiments of the present invention will be explained using figures.

[0013] FIG. 1 is a drawing showing an embodiment of the present invention. In the figure, the transfer material conveyance unit A linear guide 1 for movably supporting a unit 2 such as a developer, a fixing device, etc. back and forth. 0 is provided on the copying machine body 1 on the opposite side of the unit 2 (not shown). It has not been). One unit of each unit constituting the copying machine for the copying machine main body 1. The knit 2 is guided by a linear guide 10 and can be attached and detached. Main body 1 The figure shows a part of the metal frame plate installed at the back of the copier and is in a grounded state. Ru. A connector on the main body side that is connected to the controller of the copying machine main body 1 by bundled wires. 3 is provided immediately behind the opening 8 of the main body 1. Sensors, etc. and bundled wires in unit 2 Connector 4 on the unit side connected by It is inserted into the connector (pin side) 3 on the main body side.

[0014] If a paper jam etc. occurs in unit 2 while the copying machine is operating, it is not shown in the diagram. Following the instructions on the indicator, the user pulls unit 2 toward you to remove the paper jam. Process. Paper jams can be easily recognized by pulling them out toward the front. Work becomes easier to understand.

[0015] Connector 3 and connector 4 are connected to main body 1 when unit 2 is set in main body. They are connected to each other through the opening 8, but when you pull out the unit 2 toward you, are separated as shown in the figure. A shaft 5 is installed in the main body 1 directly above the center of the opening 8. Connector covers 6 and 7 are fitted to the shaft 5 so as to be open on both sides and can rotate freely. A retaining ring 14 for the shaft is installed in a circumferential groove provided on the shaft 5 to prevent the covers 6 and 7 from moving in the axial direction. It's embedded. The part where the covers 6 and 7 collide has a bent part 11 facing outward. It is provided. When unit 2 is moved forward toward the main body 1 side, the cover will be removed. The unit side protrusion 9 that protrudes into the V groove formed by the bent portion 11 of the Ru. Both left and right end surfaces of the unit side protrusion 9 are direct-acting cam surfaces, and from the tip to the root side. The inclined cam part 9a is symmetrically widened towards A parallel cam portion 9b is provided.

[0016] When the unit 2 is pulled out to the front, the covers 6 and 7 cover the opening 8 as shown in the figure. Therefore, the user does not accidentally touch the connector 3 directly. if cover Without 6 and 7, if you directly touch the pin part of connector 3, it may cause damage to your body. The collected high-voltage static electricity is collected by the semiconductor element in the main body that is electrically connected to the connector 3. The elements of the controller (not shown) such as the product circuit are destroyed and the main unit becomes unable to operate. There is a risk that it will happen. Also, if the user rotates the covers 6 and 7 by hand, the cover 6 , 7. By making the shaft 5 a conductive material, the static electricity from your body will not touch the covers 6 and 7. At the moment it is grounded, it is grounded to main unit 1 and then it touches connector 3 in order to escape. There is no problem.

[0017] After completing the specified process such as clearing paper jams, press unit 2 and set it in main unit 1. When doing so, the unit 2 is guided by the linear motion guide 10 and moves in the direction of the arrow b in the figure. To go. At this time, before the connectors 3 and 4 come into contact, first the protrusion provided on the unit 2 side The inclined cam part 9a of the raised part 9 comes into contact with the bent part 11 of the covers 6 and 7, and the unit 2 is Along with the pushing action, the covers 6 and 7 are rotated in both directions a and a' in the figure, centering on the shaft 5. move. Further pushing action causes the parallel cam portion 9b of the protrusion 9 to hold the covers 6 and 7 open. However, by rotating the covers 6 and 7 as described above, the connectors 3 and 4 are connected. Since the opening 8 is open, the connectors 3 and 4 can be connected without any problem. .

[0018] When unit 2 is pulled out from main body 1, connectors 3 and 4 are cut off, and the protrusion on the unit side 9 retreats from the bent portion 11 of the cover, the connector covers 6 and 7 Rotate around the center in directions opposite to a and a' to close.

[0019]

[Other Examples]

FIG. 2 shows another embodiment. This is an example in which a single cover 6' is used. Open axis 5 A cover 6' that opens and closes the opening 8 is rotatable about the shaft 5. establish. Stoppers 12 and 13 are implanted in the main body 1. Stopper 12 is cover 6 cover 6' to prevent the cover 6' from moving too far when the opening 8 is closed. The stopper 13 contacts the connector 4 when the cover 6' opens the opening 8. When it becomes possible to pass through, the cover will not open any further and will have the turning force in the closing direction due to its own weight. -6', and when the protrusion 9' is in the retracted state as shown in the figure, it will come into contact with the projection 9' due to its own weight. The opening 8 is closed by rotating around the shaft 5.

[0020] In this example, a protrusion 9' is provided next to the unit side connector 4. The top surface of protrusion 9' is first. It is a direct-acting cam that rises from the end toward the base. Insert unit 2 into main body 1. When the cover 6' on the main body side is attached, the protrusion 9' is rotated around the lifting shaft 5 as shown in the figure. The unit continues to open the opening 8 by rotating clockwise from the solid line position to the dotted line position. 2, the unit side connector 4 is inserted into the main body connector 3. unit 2 When pulled out, the connectors 3 and 4 are cut off, and as the protrusion 9' retreats, the cover 6' follows the protrusion 9' under its own weight and rotates counterclockwise around the shaft 5, closing the opening 8. , it hits the stopper 12 and stops.

[0021] Other examples of cover operation include not only rotational movement upwards, but also horizontal movement. It may also be a method of doing so. Also, it is preferable that the material of the cover is conductive. However, even if it is not necessarily conductive, it can be used to prevent accidentally touching the pin. is valid.

[0022]

[Effect of the idea]

As explained above, when handling paper jams or maintenance, pull the unit out of the main unit. For copying machines, recording devices, etc. that are designed to be able to A cover is provided, and a member for forcibly opening the cover is installed near the connector on the unit side. By providing a high pressure This has the effect of preventing the elements of the main controller from being destroyed by electricity.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a connecting portion between a main body and a unit according to the present invention.

FIG. 2 is a perspective view showing another embodiment.

[Explanation of symbols]

1 Main body 2 units 3 Main unit side connector 4 Unit side connector 5 axis 6 Connector cover 7 Connector cover 8 Opening 9 Unit side protrusion 10 Guide 11 Bend section

Claims (3)

[Scope of utility model registration request] Claim: 1. A device having a unit that can be attached to and detached from the main body, and a main body and a unit that are provided with a pair of connectors that are connected by the operation of attaching the unit to the main body and separated from each other by the operation of pulling out the unit from the main body,
A cover that is freely displaceable and biased in the direction of closing the connector opening on the main body side is provided on the main body side, and a cover opening member is provided on the unit side that acts on the cover and forcibly opens the cover when the unit is attached to the main body. A connector protection device for the main body and unit. 2. The main body and unit connector protection device according to claim 1, wherein the connector of the main body is connected to an electric circuit using a semiconductor element. 3. The device for protecting a connector portion of a main body and a unit according to claim 1, wherein said cover is electrically conductive.