JPH04108221U - Terminal device connection - Google Patents

Abstract

(57) [Summary] (with amendments) [Purpose] In a terminal device consisting of a base unit and a slave unit that can be combined and separated from each other, the power terminal provided on the base unit is prevented from being exposed and causing a short circuit. , and prevents blackening of the tip of the power terminal. [Structure] The base unit is equipped with a fixed frame and a swing plate that can swing around a fulcrum fixed to the frame of the base unit, with a protrusion on one end of the swing plate and a power terminal on the other end. A spring is placed between the power terminal and the fulcrum, the end of which is fixed to the swing plate and the fixed frame, respectively. When the parent unit and slave unit are not combined, the spring causes the protrusion to close to the fixed frame. while the power terminal is hidden by the fixed frame,
When the child unit is combined with the parent unit, the bottom of the child unit presses down on the protrusion, thereby lifting the power terminal to come into contact with the contact of the child unit to form a connection. Further, a brush is provided on the inner edge of the hole in the fixed frame, and when the power terminal moves in and out of the hole, the tip of the power terminal is wiped with the brush to prevent blackening.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention applies to the connection part of a terminal device, more specifically, to a terminal device consisting of a parent unit and a slave unit. Regarding the connection part.

0002

[Conventional technology]

The applicant has developed a terminal device shown in the front view of FIG. In the diagram, 11 is the main unit, 12 is the slave unit, 13 is the power terminal on the master unit side, 14 is the contact on the slave unit, power terminal 13 and contact 14 The arrangement with is shown schematically. These base unit 11 and slave unit 12 are collectively called a terminal device. When the master unit 11 and slave unit 12 are combined, the power terminal 13 contacts the contact 14 and is connected. A battery (not shown) of the slave unit 12 is charged from the base unit 11 through this connection. It is configured to be powered. The handset 12 is equipped with buttons for data entry. ing.

0003 The arrangement relationship between the main unit 11 and the power terminal 13 is shown in the perspective view of FIG. 6 and the sectional view of FIG. The source terminal 13 is arranged so that it always protrudes from the hole 16 provided in the fixed frame 15 provided on the base unit. The upper half of the power terminal 13 is always exposed from the surface of the fixed frame 15. the Therefore, the power terminal 13 is exposed to the outside when the master unit 11 and slave unit 12 are not combined. For example, if a paper clip or the like is accidentally dropped onto the fixed frame 15, a short circuit will occur. There is a danger of life.

0004 Furthermore, if the parent unit and slave units are repeatedly combined and separated, the surface of the power terminal may become black. It was recognized that the This blackening is caused by the initial contact between the power terminal and the contact. Sometimes, contact causes metal powder from the contact to fall onto the tip of the power terminal. and , if a spark occurs between the power terminal and the contact piece during the next contact, the metal powder will be burned. and adhere to the tip of the power terminal. As this blackening progresses, the contact condition deteriorates significantly. It was experienced that the battery would not charge and the battery would not charge.

[0005]

[Problem that the idea aims to solve]

The problem we are trying to solve is that the main unit and slave unit are not combined, and the power supply is turned off. To provide a connection where the terminals will not be exposed to the outside and cause a short circuit. , the tip of the power terminal becomes black due to repeated contact between the power terminal and the contact, resulting in contact failure. The goal is to prevent problems from occurring.

[0006]

[Means to solve the problem]

The connection part of the terminal device of this invention is a swingable swing fixed to the fulcrum of the parent unit. It is installed at one end of the swing board and the swing board, and is used when the slave unit is not combined with the base unit. A protrusion formed to protrude from the hole in the fixed frame of the machine, and a protrusion formed at the other end of the swing plate. It is installed at the angled power terminal and the part between the fulcrum and the power terminal, and one end is fixed. A fixed frame has a spring fixed to the swing plate at the other end, and the child unit is combined with the parent unit. The protrusion is pushed down and the opposite end of the swing plate is lifted up against the spring, and the power supply is The terminal rises and connects with the contact of the slave unit, and when the slave unit is removed from the base unit, the protrusion is removed. The end of the swing board is lowered by a spring, and the power terminal is hidden under the fixed frame. The connection part of the terminal device is characterized in that a cleaning means is provided on the inner edge of the hole, and the power supply end characterized in that the tip of the child is wiped by a cleaning means when entering and exiting the hole. In addition, it is fixed to the bottom of the recess provided in the base unit for vertical movement of the slave unit holder. the power terminal, and a spring fixed between the bottom of the recess and the bottom of the handset holder. However, when the handset is placed inside the handset holder, the handset holder resists the spring due to the weight of the handset. the power terminals will come out of the holes at the bottom and come into contact with the contacts on the handset. When the handset is pushed out of the handset holder, the handset holder is held back by the spring. The main feature is that the power terminal is hidden under the bottom of the handset holder.

[0007]

[Effect]

In the first embodiment of the present invention, when the handset is combined with the base unit, the bottom of the handset is A protruding piece provided at one end of the swing plate of the main unit and protruding out of the hole in the fixed frame. the power terminal provided at the other end of the swing plate by contacting and pushing it down It rebels against the spring and comes out of the hole in the fixed frame and contacts the contact piece of the slave unit to form a connection. . When the slave unit is removed from the base unit, the protruding piece becomes free and the swing with the power terminal fixed The end of the board is pushed down by a spring, and the power terminal is hidden under the fixed frame.

[0008] In another embodiment of the present invention, a brush-like cleaner is provided on the inner edge of the hole in the handset holder. Since a cleaning means is provided, the surface of the power terminal entering and exiting the hole is wiped with a brush. This ensures that the power terminal surface is always kept clean. In yet another embodiment of the present invention In this case, the power terminal is fixed to the bottom of the recess provided in the base unit, and the slave unit holder is inserted into and out of this recess. A spring is fixed between the bottom of the recess and the bottom of the slave unit holder, and the slave unit When the handset holder is not placed in the holder, it is lifted up by the spring and this In this state, the bottom of the handset holder covers the power terminal, and when the handset is placed in the handset holder, The handset holder will lower, and at that time the power terminal will come out of the hole at the bottom of the handset holder and connect to the handset. to form a connection. Also, a brush is installed on the inner edge of the hole described above. and wipe the tip of the power terminal with it.

[0009]

【Example】

FIG. 1 is a front view of the first embodiment of the present invention, and 11 to 16 are the same as FIGS. 5 and 6. 17 is a fulcrum fixed to the frame (not shown) of the base unit 11, and 18 is an arrow 1 centered on the fulcrum 17. , a swing plate 19 that can move up and down in two directions, is provided at one end of the swing plate 18. The protrusion 20 is located between the power terminal 13 provided at the other end of the swing plate 18 and the fulcrum. This is a spring fixed to the bottom part of the fixed frame 15 above the point.

0010 When the base unit 11 and slave unit 12 are separated and not combined, the tip of the power terminal 13 is fixed. It is located below the fixed frame 15, and the protrusion 19 comes out from the hole 16 of the fixed frame 15 as shown in FIG. The power terminal 13, protrusion 19, and spring 20 are appropriately designed so that they are in the positions shown. figure In state 1, the power terminal 13 does not protrude above the fixed frame 15, and this state is shown in Fig. 2. indicated by a line

[0011] When the handset 12 is combined with the base unit 11, the bottom of the handset 12 comes into contact with the tip of the protrusion 19. However, one end and the other end of the swing plate 18 are lowered as shown by arrows 1 and 2, respectively. It goes down and goes up. In this case, the power terminal 13 will come out of the hole 16 of the fixed frame 15, and the power terminal 13 will come out of the hole 16 of the fixed frame 15, and the It comes into contact with the contactor 14 to form a connection part, and it becomes possible to charge the slave unit 12 from the master unit 11. . The position of the power supply terminal 13 at this time is shown by the broken line in FIG. When the slave unit 12 is separated from the base unit 11, Returning to the state shown in FIG. 1, the power supply terminal 13 assumes the position shown by the solid line in FIG.

0012 In another embodiment of the present invention, the inner edge of the hole 16 of the fixed frame 15 is provided with a A brush 21 was provided as a cleaning means. In Figure 3, the power terminal indicated by the solid line is as described above. While the brush 21 rises to the position shown by the broken line, the brush 21 comes into contact with the tip of the power terminal 13. Ru. Next, when the power terminal 13 descends, the tip of the power terminal 13 comes into contact with the brush 21. However, when the power terminal 13 goes up and down in this way, the tip of the power terminal 13 must be brushed. 21, the tip of the power terminal 13 is kept clean and prevented from turning black. will be stopped.

[0013] Still another embodiment of the present invention is shown in FIG. The same parts are shown with the same reference numerals, 22 is a handset holder, and 23 is a spring.

[0014] In this embodiment, the power terminal 13 is a recess formed in the base unit 11 for the slave unit holder 22. The handset holder is fixed to the bottom 11A of the recess and the bottom 22A of the handset holder 22. It has a structure that allows it to move up and down via a spring 23 fixed between. Handset 12 is the parent When not combined with the machine 11, the slave machine holder 22 is held up by the spring 23 as shown in FIG. In this state, the power terminal 13 is connected to the bottom 22A of the slave unit holder 22. Since it is covered, the power terminal 13 is not exposed to the outside. Handset at that time The relative positional relationship between the bottom 22A of the holder 22 and the power supply terminal 13 is shown by the solid line in Figure 2. The positional relationship is the same as that of the terminals, and the bottom of the slave unit holder is located at the position of the fixed frame 15.

[0015] When the handset 12 is set on the base unit 11, the weight of the handset causes the bottom 22A of the handset holder 22 to 2, and the tip of the power terminal 13 is at the bottom of the slave unit holder 22. It passes through the hole 24 of the part 22A and comes out of the bottom part and comes into contact with the contact 14 of the slave unit to form a connection part. be done.

[0016] Furthermore, the inner edge of the hole 24 in this embodiment is provided with a cleaning means as shown in the example of FIG. If a brush 21 is provided, each time the bottom part 22A of the slave unit moves up and down, the brush 21 will The tip of the power terminal 13 is wiped to form a good connection and the The previous problems caused by blackening have been resolved.

[0017]

[Effect of the idea]

As explained above, according to the present invention, when the parent device and the child device are not combined, Since the power terminal is covered by the fixed frame or the bottom of the handset holder, short circuits may occur. This prevents the risk of occurrence, and when the power terminal goes in and out of the hole in the fixing frame, the power terminal The tip is wiped with a brush, so it is always kept clean and avoids darkening. This prevents contact defects from occurring between the power supply terminal and the contact.

[Brief explanation of drawings]

FIG. 1 is a front view of a connecting part of a terminal device according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view illustrating the movement of a power terminal and the movement of the bottom of a fixed frame or a slave device holder in the connection portion of FIG. 1;

FIG. 3 is a sectional view illustrating the movement of a power terminal and a brush in another embodiment of the present invention.

FIG. 4 is a front view of a connecting part of a terminal device according to still another embodiment of the present invention.

FIG. 5 is a front view of a terminal device developed by the present applicant.

FIG. 6 is a perspective view of a master unit of the terminal device in FIG. 5;

7 is a sectional view showing the positional relationship between the power terminal and the fixed frame in FIG. 6. FIG.

[Explanation of symbols]

11 Base unit 11A Bottom of recess 12 Handset 13 Power terminal 14 Contact 15 Fixed frame 16 holes 17 Fulcrum 18 swing board 19 Protrusion 20 springs 21 Brush (cleaning means) 22 Handset holder 23A bottom 23 spring 24 holes

Claims (4)

[Scope of utility model registration request] Claim 1: A swingable swing plate (18) fixed to the fulcrum (17) of the parent unit (11), provided at one end of the swing plate (18), and connected to the parent unit (12). 11), a protrusion (19) formed to protrude from the hole (16) of the fixing frame (15) of the base unit when not combined with the main unit, and a power terminal provided at the other end of the swing plate (18). (13), and a spring (20) provided between the fulcrum (17) and the power terminal (13), with one end fixed to the fixed frame (15) and the other end fixed to the swing plate (18). , the child device (12) is the parent device (1
1), the protrusion (19) is pushed down and the opposite end of the swing plate (18) is lifted up against the spring (20), and the power terminal (13) rises to contact the slave unit. Connect to (14), and connect to handset (12).
is removed from the base unit (11), the end of the swing plate provided with the protrusion (19) is lowered by the spring (20), and the power terminal (13)
is a connection part of a terminal device that is hidden under a fixed frame (15). [Claim 2] A cleaning means (21) is provided at the inner edge of the hole (16), so that the tip of the power terminal (13) is wiped by the cleaning means (21) when going in and out of the hole (16). A connecting portion of a terminal device according to claim 1. [Claim 3] A power terminal (13) fixed to the bottom (11A) of the recess for vertical movement of the slave device holder (22) provided on the parent device (11).
and a spring (23) fixed between the bottom of the recess (11A) and the bottom of the handset holder (22A), and the handset (12) is attached to the handset holder.
(22), the handset holder (22) lowers against the spring (23) due to the weight of the handset (12), thereby causing the power terminal
(13) comes out of the hole (24) in the bottom (22A) and connects to the contact of the slave unit (12).
(14) to form a connection part, and attach the slave unit (12) to the slave unit holder.
When the handset holder (22) is taken out of the handset holder (22), the handset holder (22) is lifted up by a spring (23), and the power terminal (13) is hidden under the bottom (22A) of the handset holder. Connection part. [Claim 4] A cleaning means (21) is provided at the inner edge of the hole (24), and when the handset holder (22) moves up and down, the tip of the power terminal (13) is wiped by the cleaning means (21). 4. The terminal device connection unit according to claim 3, characterized in that: