JP3007818U - Connector jack cover and connector using the jack cover - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To provide a bioelectrode connector in which the number of bioelectrode connectors corresponding to the number of bioelectrodes to be measured can be connected and engaged to easily prevent the cords from becoming disjointed during measurement. [Structure] A hole portion 30 formed in a substantially central portion for accommodating and locking a connector jack portion, and a taper-shaped convex portion 11 having a substantially triangular cross-section that gradually becomes thicker toward a base portion near a tip portion.
a wing-shaped projecting piece 11 provided with a and a hole portion 15 that sandwiches the wing-shaped projecting piece 11 and engages with the taper-shaped convex portion 11a of the wing-shaped projecting piece 11 is erected at substantially the thickness interval of the wing-shaped projecting piece. Two jack-shaped engaging convex pieces 12 and 13 provided on one jack cover, and two wing-shaped engaging convex pieces 12 and 13 provided on another jack cover. The taper-shaped convex portions 11a are sandwiched and locked by the taper-shaped convex portions 11a so that connector jacks corresponding to the desired number of bioelectrodes can be connected and engaged.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a connector jack cover made of an insulating synthetic resin for accommodating and locking a connector jack at the tip of a connector connection cord, and a connector using the jack cover.

[0002]

[Prior art]

 Conventionally, when performing electrocardiogram recording, etc., the connector section at the tip of the bioelectric electrode connection cord and the connector section at the tip of the induction cord connected to the electrocardiograph are connected, and then the electrocardiogram information of the living body is to be measured. A bioelectrode was attached to the site, and then ECG measurement was started.

[0003]

[Problems to be solved by the device]

 However, generally, there are a plurality of measurement sites, and the number of bioelectrodes to be attached to the subject also increases. For this reason, if the subject moves a little, the cords may get entangled, and even if the subject does not move, the cords may get entangled when the electrode is attached and detached. Furthermore, the connector part is generally placed on the bed or on the subject's body as it is, and the connector part is moved by its own weight.

Conventionally, in order to prevent this and prevent the cords from becoming disjointed, the connector portions are purposely put together and put together on a subject by wrapping them with a tape or the like, or further the connector portion thus put together is put together. It was fixed to the bedside with tape and used. For this reason, great effort was inevitable and urgent improvement was required.

[0005]

[Means for Solving the Problems]

 The present invention has been made for the purpose of solving the above-mentioned problems, and provides a bioelectrode connector which is easy to be attached without causing cords to be entangled even when a plurality of bioelectrodes are attached to a subject. . For example, the following configuration is provided as one means for achieving the object.

That is, a connector jack cover made of an insulative synthetic resin for accommodating and locking the connector jack at the tip of the connector connection cord, wherein a hole capable of accommodating and locking the connector jack portion is formed at a substantially central portion. A connector jack cover having first and second locking portions that are provided upright on the outer side surfaces of the base, which are opposite to each other, and the first locking portion and the second locking portion. The first locking portion has a U-shaped portion so that the first locking portion of the own connector jack cover and the second locking portion of another connector jack cover can be fitted to each other, The connector jack cover is characterized in that the second locking portion has a convex portion that fits into the U-shaped hollow portion of the first locking portion.

Further, for example, the second locking portion is provided on the outer side surface of the base portion, and is provided with a taper-shaped convex portion having a substantially triangular cross-section, which is provided in the vicinity of the tip end portion and gradually becomes thicker toward the base portion. And a thickness of the wing-shaped protruding piece in which the first locking portion is sandwiched by the wing-shaped protruding piece and a hole is formed to engage with the taper-shaped protruding portion of the wing-shaped protruding piece. Two ridged U-shaped engaging projections that are provided upright at intervals, and the wing-shaped protruding piece is sandwiched by two U-shaped engaging ridges of another connector to form a taper-shaped protruding portion of the wing-shaped protruding piece. Is locked in the U-shaped hollow portion of the first locking portion of the other connector jack cover so that the connectors of the desired number of poles can be connected and engaged. A plurality of band-shaped protrusions are formed at predetermined intervals on the outer side surface between the wing-shaped protruding piece of the jack cover base and the two U-shaped engaging protrusions.

Further, for example, the hollow portion of the first locking portion may be a substantially rectangular shape having a predetermined width and a predetermined height, and the second locking portion may be substantially the same as the hollow portion of the first locking portion. The width of the first locking portion is erected in a direction perpendicular to the height of the hollow portion of the first locking portion and extends in the first locking portion arranging direction so that the first locking portion can fit into the hollow portion of the first locking portion. It has a cross section having an extending portion that extends, and the extending portion of the second engaging portion of the other connector jack cover is fitted and locked into the hollow portion of the first engaging portion to obtain the desired number of poles. The minute connector is connectable and engageable.

Further, according to another example, a jack portion formed of a conductive metal, which is connected to a tip portion of a connection cord fitted to a connector pin, and the jack cover according to any one of claims 1 to 4. The connector is characterized by having. And, for example, the jack portion has a connector pin press-fitting diameter portion formed at the tip having a diameter that fits into the connector pin of the connector portion, and a connector pin holding diameter portion slightly larger than the press-fitting diameter portion. It is characterized by being provided. Then, the connector is a bioelectrode connector that connects the bioelectrode and the induction electrode cord connected to the biosignal processing device, and the jack cover is color-coded according to the mounting position of the bioelectrode to be connected. It is characterized in that it is formed by.

[0010]

[Action]

 In the above configuration, when the connector connecting cord is connected by the connector portion, the first locking portion and the second locking portion of the other connector jack cover are fitted and locked to each other, so that a plurality of connectors can be provided. Can be easily locked and connected, and the desired number of connectors can be effectively prevented from being scattered. Further, it is easy to identify the connector connection code. Also, because the pin on the guide cord side is held by the connector pin press-fitted diameter part at the tip of the jack part, a reliable connection state can be maintained and it is easily performed when the connector part is attached / detached (removed / inserted). Things are possible.

Therefore, by using this connector as the connector for connecting the biological electrode, it is possible to easily prevent the cords from becoming disjointed during measurement. Further, this connection can be performed before or after connecting the induction cord and the biomedical electrode cord, and which electrode is to be attached to which living body part by connecting before connecting the electrodes. Judgment becomes easy.

Further, by providing the strip-shaped convex portion on the base portion, it is possible to effectively prevent the connector portion from accidentally moving in the connected state.

[0013]

【Example】

 Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. In the following description, an example in which the connector of the present invention is applied to a bioelectrode connector will be described. However, the present invention is not limited to the above example, and can be applied to any connector as long as it is a connector for obtaining electrical connection. In particular, it is suitable for connectors that connect two or more cords and cables, and can be applied to household and industrial applications.

[First Embodiment] FIG. 1 is a front view of a jack cover connected to a bioelectrode cord according to an embodiment of the present invention, FIG. 2 is a left side view of the jack cover, and FIG. 3 is A of FIG. -A plane sectional view, FIG. 4 is a BB plane sectional view of FIG. 1, FIG. 5 is a CC plane sectional view of FIG. 2, FIG. 6 is a DD plane sectional view of FIG. 2, and FIG. 7 is a jack cover. FIG. Further, FIG. 8 shows a state before the connector jacks connected to the cords connected to the bioelectrodes housed in the jack cover of this embodiment are collectively separated into individual connector jacks manufactured on the manufacturing line. FIG. 9 is a plan view and FIG. 9 is a front view of the connector jack of this embodiment.

First, the jack cover connected to the biomedical electrode cord of the present embodiment will be described with reference to FIGS. The jack cover shown in FIGS. 1 to 7 of the present embodiment is connected to the tip of the connecting cord connected to the biomedical electrode, and the tip of the induction cord connected to the biosignal processing device shown in FIGS. 8 and 9. The connector jack 50 that can be connected to the connector portion is housed, and a structure that enables connection and connection with each other, which will be described later, is provided, and a hole portion that can store and lock the connector jack 50, which will be described later, is provided at a substantially central portion. 30 are formed.

As shown in FIG. 2, the hole 30 is formed with three grooves 31 to 33 capable of accommodating the claws of the connector jack 50, and the grooves 31 and 32 have inclined ends at the groove tips. The groove depth is gradually reduced, and the holes 35 and 36 are respectively provided at the ends where the grooves disappear. The grooves 31 and 32 are grooves for guiding the claws 54 and 55 of the connector jack 50, which will be described later, and the claws 54 and 55 are press-fitted into the connector jack at the tip end thereof, and the holes 35 and 36 are formed. This is for opening the connector jack to prevent the connector jack from coming off.

Further, the tip portion of the hole portion 30 (the inner portion on the right side in FIG. 1) is gradually reduced in diameter over two steps. This is adapted to the shape of the connector jack 50. On the outer side surface of the base portion of the jack cover 10, a wing-shaped protruding piece 11 having a taper-shaped convex portion 11a having a substantially triangular cross section which gradually becomes thicker toward the base portion is provided near the tip end portion. . The wing-shaped protruding piece 11 is sandwiched between the wing-shaped protruding piece 11 and the taper-shaped convex portion 11a of the wing-shaped protruding piece 11. It is provided with two U-shaped engaging convex pieces 12 and 13 which are erected at a thickness interval of the substantially wing-shaped projecting piece 11 provided with the matching hole portion 15.

On the outer side surface between the wing-shaped projecting piece 11 and the two U-shaped engaging projections 12 and 13 at the base of the jack cover 10, three strip-shaped projections 16, 17, 18 and 19, 20, 2 are arranged at predetermined intervals. 1 is formed. The strip-shaped convex portions 16, 17, 18 and 19, 20, 21 are used as the bioelectrode connector with the connector jack 50 attached, and when the connector pin at the tip of the induction cord of the biometric information processing apparatus is inserted, the present embodiment is used. The bio-electrode connector of this is held by hand and inserted, and it has a role of non-slip. At the same time, it also plays a role of preventing the biomedical electrode connector of the present embodiment from slipping down or moving carelessly when it is placed on the bed or on the head side.

The strip-shaped projections are also provided at the positions between the two U-shaped engagement projections 12 and 13 in the upright position (reference numeral 40 in FIG. 5), and the wing-shaped projection piece 11 has a central tip end portion. Is provided with a recess 22 that matches the band-shaped protrusion 40 of the mating partner when the other jack cover is connected, and the recess 22 is aligned in the longitudinal direction when connected to another jack cover. It prevents you from moving to.

The jack cover 10 of the present embodiment has two wing-shaped projecting pieces 11 of one jack cover arranged in another jack cover in order to be able to connect with other jack covers having the same structure. It is easy to press-fit between the U-shaped engaging protrusions 12 and 13 so that the triangle of the taper-shaped protruding portion 11a of the wing-like protrusion 11 just engages with the tip end of the U-shaped engaging protrusions 12 and 13. It is fixed so that it will not come out. Moreover, at this time, as described above, the engagement between the convex portion 40 and the concave portion 22 restricts the sliding in the longitudinal direction and the like, so that it is positioned at the press-fitting position and the connected state is maintained.

The actual size of the jack cover of this embodiment is roughly as follows, although there is a predetermined error range. All units are millimeters. The outer diameter of the base is φ8, and the diameter from the tip to 15 is substantially straight, then gradually decreases toward the tip, and the outer diameter of the tip is φ6. The wing-shaped protruding piece 11 has a width of 14.5, a height of 8.8 from the center of the jack cover, and a thickness of 2.5 at the thickest part of the taper-shaped convex portion 11a. The thickness of the base portion and the peripheral portion which are not the convex portions 11a is 1.5. Further, the strip-shaped convex portion on the outer peripheral portion has a semi-circular shape having a width of 1 at the base, a distance 2 between adjacent strip-shaped convex portions, and φ0.5.

The inner diameter of the hole 30 on the insertion side is φ4.2 from the entrance to 22 and then φ3. The inner diameter of 65 continues for 4 times, and the diameter up to the tip end opening is φ3.3. Furthermore, the grooves 31 and 32 arranged in the hole 30 have a depth of 0.7, a width of 1.5, a length to the inclined portion of 11.5, and a length of the inclined portion of 2. The groove 33 has a depth of 0.7 width, 1.2 and a length of 12.5. The holes 35 and 36 are formed in a size of 2 × 2 with a radius R at a position 14.5 from the insertion side.

The space between the two U-shaped engaging projections 12 and 13 is 1.5, the height is 9 from the center, and the hole 15 is 7 × 3. Next, the connector jack of this embodiment will be described with reference to FIGS. 8 and 9. The connector jack of this embodiment is punched out from a phosphor bronze plate and then shaped into the shape shown in FIGS. 8 and 9. It is used after being separated from the connection lead portion 60 later.

The connector jack 50 of this embodiment includes a press-fitted diameter portion 54 of a connector pin having a diameter that is the same as or slightly smaller than the outer diameter of the connector pin of the induction cord tip connector portion, and a connector slightly larger than the press-fitted diameter portion 54. The pin holding diameter portion 53 is provided, and the upper side between the press-fitting diameter portion 54 and the connector pin holding diameter portion 53 is notched. Further, claw portions 55 and 56 for locking the connector jack 50 in the above-mentioned jack cover 10 are provided at approximately the center of the connector pin holding diameter portion 53, and the hole of the jack cover 10 is provided by the spring action. It prevents the connector jack from coming off inside the parts 35 and 36. The convex portion 57 is for positioning when the connector jack 50 is stored in the jack cover 10.

Further, the U-shaped portion 52 is a portion for crimping the conductor portion of the core of the bioelectrode connection cord, and the U-shaped portion 53 is a portion for crimping the covered portion of the bioelectrode connection cord. As described above, the connector jack 50 of this embodiment has two different inner diameters of the press-fitting diameter portion 54 and the connector pin holding portion 53, so that the electrical connection to the pin on the induction cord side can be securely performed. The connector 54 retains the connection state without difficulty while securing it with the diameter portion 54 and the connector pin holding diameter portion 53, and the insertion pressure when inserting into the connector and the withdrawal pressure when removing the pin are not excessive. It can be kept within a certain range. Moreover, by providing the notch between the diameter portions, deformations and the like between them do not interfere with each other, and it is possible to minimize the occurrence of undue stress and the like. That is, a strong insertion / extraction pressure, which is required in the case where the entire connector jack is formed in a taper shape, is not necessary, and further, a contact failure hardly occurs and the reliability can be improved.

The actual size of the connector jack of this embodiment is roughly as follows, although there is a predetermined error range. All units are millimeters. The plate pressure is 0.3, the press-fitted diameter portion 54 is length 4, φ3.0, the connector pin holding diameter portion 53 is length 8, φ3.2, the upper side between the press-fitted diameter portion 54 and the connector pin holding diameter portion 53. The length of the cutout portion is 2, the length of the claw portions 55 and 56 is 4, the width is 1.2, and the height of the convex portion 57 is 0.8.

In this embodiment, the bioelectrode connection cord is crimped in advance by the U-shaped portion 52 and the U-shaped portion 53 of the connector jack 50 described above. Then, the claw portions 55, 56 and the convex portion 57 of the connector jack, to which the bioelectrical electrode connecting cord is crimped, are inserted in alignment with the grooves 31-33 of the jack cover, and the claw portions 55, 56 are located at the hole portions 35, 36. Press in until it reaches. As a result, the connector portion on the bioelectrode side is completed.

In the present embodiment, the connector jack portion and the jack cover portion are separately manufactured in this way, and the cord is crimped to the connector jack portion and then integrated with the jack cover. The yield was improved and the cost was reduced compared to the case of molding. Furthermore, it is enough to simply insert the connector jack into the jack cover to complete the connector part, and it is possible to assemble very easily.

Further, in general, the induction cord connected to the biometric information processing device is a color coded according to each living body electrode mounting position and the like. If you use the connection code of, the connection error can be prevented and the reliability of the measurement can be further improved. Even in such a case, the connector jack of this embodiment can be used for all colors. Then, by producing the jack cover from, for example, a synthetic resin, it is possible to mass-produce it by a molding die, for example, and it is possible to easily provide the jack cover colored in each required color.

For example, in the chest lead electrode, C1 is red, C2 is yellow, C3 is green, C4 is brown, C5 is black, and C6 is purple. The wing-shaped projecting piece 11 of the biomedical electrode connector of the present embodiment completed as described above is press-fitted between the two U-shaped engaging projections 12 and 13 of another biomedical electrode connector, so that they can be easily connected. The connector can be easily prevented from coming apart, and the strip-shaped protrusions can prevent it from accidentally slipping off. FIG. 10 shows a state in which the plurality of biological electrode connectors are connected. FIG. 10A is a plan view showing the joined squad, and FIG. 10B is a side view.

As shown in FIG. 10, when a plurality of biological electrode connectors are connected, they are not easily separated from each other. In this state, for example, the subject is fitted with the biological electrodes, and then the biological information processing is performed. It is also possible to insert a lead cord connected to a device (such as an electrocardiograph) into the jack. Moreover, even at this time, since there is a strip-shaped convex portion, the strip-shaped convex portion can be pinched and fixed with a finger or the like, and insertion can be performed very easily.

Furthermore, by color-coding the jack cover of the connector portion, it is possible to easily connect the desired induction cord and the biomedical electrode without checking the induction electrode one by one. In addition, even after connection, the connector can effectively prevent the connector part from accidentally slipping off due to the band-shaped protrusion, and it is not necessary to fix it on the bedside with tape or the like.

Second Embodiment In the above description, the wing-shaped projecting piece 11 that is the second locking portion is used as the two U-shaped engaging projections of the other bioelectrode connector that is the first locking portion. The example in which the parts 12 and 13 are connected by being press-fitted has been described. However, the present invention is not limited to the above example, and may have any other shape as long as the connector covers can be connected to each other. A second embodiment according to the present invention having another shape and being connected to another connector jack cover will be described below.

In the second embodiment, the hollow portion of the first locking portion has a substantially rectangular shape with a predetermined width and a predetermined height, and the second locking portion is substantially hollow of the first locking portion. The width of the portion is erected substantially in the direction of the vertical line of the height of the hollow portion of the first locking portion so that it can be fitted into the hollow portion of the first locking portion. It has a cross section having an extending portion that extends, and the extending portion of the second engaging portion of the other connector jack cover is fitted and locked in the hollow portion of the first engaging portion to form the desired pole. Several minutes of connectors can be connected and engaged.

A second embodiment of the present invention will be described below with reference to FIGS. 11 to 13. 11 to 13, the same components as those in the first embodiment shown in FIGS. 1 to 10 described above are designated by the same reference numerals and detailed description thereof will be omitted. 11 is a front view of a jack cover connected to a bioelectrode cord according to a second embodiment of the present invention, FIG. 12 is a partially cutaway plan view, and FIG. 13 is a left side view.

In the second embodiment, as described above, the shapes of the first locking portion and the second locking portion are different from those of the first embodiment, and it is the first locking portion of the first embodiment. In place of the two U-shaped engaging protrusions 12 and 13, the hollow portion 115 is configured to include one U-shaped engaging protrusion 112 that is a substantially rectangular shape having a predetermined width and a predetermined height. Inside the hollow portion 115 and the rising portion 121 that is erected in the direction of the vertical line of the height of the hollow portion 115, which is substantially the width of the hollow portion 115 of the first locking portion, instead of the wing-shaped protrusion piece 11 that is the second locking portion. It has a shape having extension portions 123 and 125 that extend in the direction in which the first locking portion is disposed so that it can be fitted into. The extending portions 123 and 125 are formed to have a length equal to or larger than the thickness of the U-shaped engaging convex portion 112, and a key-like protrusion is formed at the tip end beyond the thickness of the U-shaped engaging convex portion 112. It has portions 123a, 125a. A portion 124 between the extending portions 123 and 125 is notched, and the extending portion tip portion is cut when the extending portions 123 and 125 are fitted into the hollow portion 115 of another connector jack cover. It is configured such that it can be fitted into the hollow portion 115 even if the key-shaped protruding portions 123a and 125a are inserted into the notch portion 24.

Then, as shown in FIG. 13, a surface into which the extending portions 123 and 125 of the other connector jack cover of the U-shaped engaging convex portion 112 of the second embodiment are fitted and the extending portion 12 is formed. The surfaces of 3, 125 that come into contact with the other connector jack covers are both centerline surfaces that pass through the center of the connector jack cover. In the second embodiment, by providing the above configuration, even when the connector jack covers are connected to each other, the other connector is provided in the hollow portion 115 of the U-shaped engaging convex portion 112 of the one connector jack cover. The extension portions 123 and 125 of the jack cover can be easily connected only by press fitting, and the key-like protrusion portions 123a and 125a can be firmly locked to the U-shaped engaging convex portion 112, and the connection is disconnected during use. It can be nothing. As a result, the connector according to the second embodiment is applicable not only to the bioelectrode but also to a wide range of applications, without the risk of disconnection even if it is used in applications where vibration is applied or when stress is applied to the cable. it can.

[Third Embodiment] In the second embodiment described above, key-like protrusions 123a and 125a are arranged at the tips of the extending portions 123 and 125, and between the key-like protrusions 123a and 125a. The cutout portion 124 was provided. However, the present invention is not limited to the above example, and it goes without saying that the key-like protrusions 123a and 125a may not be provided. In this case, it is not necessary to provide the cutout portion 124 either, and the structure is simplified.

FIG. 14 shows an example of this case, and FIG. 15 shows a connected state. FIG. 14 is a four-sided view showing the configuration of another embodiment according to the present invention, and the example shown in FIG. 14 is basically the same configuration as the second embodiment. However, in the other embodiments, the structure of the extension part is different, and the structure does not have a notch part, the rising part and the extension part have the same width, and the extension part has a U-shaped engagement. The structure is such that it fits into the hollow portion of the convex portion.

According to the other embodiments described above, it is possible to easily connect the necessary number of connector jack covers as in the above-described embodiments.

[0041]

[Effect of device]

 As described above, according to the present invention, when connecting the connector connecting cord at the connector portion, the first locking portion and the second locking portion of the other connector jack cover are fitted and locked. As a result, it is possible to easily engage and connect the plurality of connectors, and it is possible to effectively prevent the desired number of connectors from being separated. Furthermore, it is easy to identify the connector connection code. Also, because the pin on the guide cord side is held by the connector pin press-fitted diameter part at the tip of the jack part, a reliable connection state can be maintained and the connector part is easily attached / detached (removed / inserted). Things are possible.

Therefore, by using this connector as the bioelectrode connector, it is possible to easily prevent the cords from coming apart during measurement. Further, this connection can be performed before or after connecting the induction cord and the biomedical electrode cord, and which electrode is to be attached to which living body part by connecting before connecting the electrodes. Judgment becomes easy.

Further, by providing the strip-shaped convex portion on the base portion, it is possible to effectively prevent the connector portion from accidentally moving in the connected state. In addition, this connection can be done before or after connecting the induction cord and the bioelectrode code, and which electrode is to be attached to which living body part by connecting before connecting the electrodes. It becomes easy to judge.

[Brief description of drawings]

FIG. 1 is a front view of a jack cover connected to a biomedical electrode cord according to an embodiment of the present invention.

FIG. 2 is a left side view of the jack cover of this embodiment.

3 is a sectional view taken along the line AA of FIG.

4 is a sectional view taken along the line BB of FIG.

5 is a cross-sectional view taken along the line CC of FIG.

6 is a cross-sectional view taken along the line DD of FIG.

FIG. 7 is a partial bottom view of the jack cover of this embodiment.

FIG. 8 is a plan view showing a molded state of the connector jack housed in the jack cover of this embodiment.

FIG. 9 is a front view showing a molded state of the connector jack housed in the jack cover of the present embodiment.

FIG. 10 is a diagram showing a connected state of the biomedical electrode connector of the present embodiment.

FIG. 11 is a front view of a jack cover connected to the biomedical electrode cord of the second embodiment according to the present invention.

FIG. 12 is a partially cutaway plan view of a jack cover connected to the bioelectrode cord of the second embodiment.

FIG. 13 is a left side view of a jack cover connected to the bioelectrode cord of the second embodiment.

FIG. 14 is a view showing a jack cover connected to a bioelectrode cord according to another embodiment of the present invention.

FIG. 15 is a diagram showing a state in which a jack cover connected to a bioelectrode cord in another example is connected.

[Explanation of symbols]

 10 Jack Cover 11 Wing-shaped Projection Piece 11a Triangular Tapered Convex Section 12, 13, 112 U-shaped Engaging Convex Section 15, 30, 35, 36 Holes 16-21, 40 Belt-shaped Convex Section 22 Recess 30 Hole 31 ˜33 groove 50 connector jack 52, 53 U-shaped portion 53 connector pin holding diameter portion 54 press-fitting diameter portion 55, 56 claw portion 57 convex portion 115 hollow portion 121 rising portion 123, 125 extension portion 123a, 125a key-like protrusion Part 124 Notch

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[Procedure amendment]

[Submission date] October 11, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be amended] Scope of utility model registration request

[Correction method] Change

[Correction content]

[Scope of utility model registration request]

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Eikichi Sato 2-3-5-8 Hongo, Bunkyo-ku, Tokyo Fukuda Electronics Co., Ltd. Hongo Office

Claims (7)

[Scope of utility model registration request] 1. A connector jack cover made of an insulative synthetic resin for accommodating and locking a connector jack at a tip of a connector connecting cord, wherein a hole for accommodating and locking the connector jack portion is formed at a substantially central portion, A connector jack cover having first and second locking portions that are provided upright on the outer side surfaces of the base portion that face each other, and the first locking portion and the second locking portion The first locking part of the own connector jack cover and the second locking part of the other connector jack cover can be fitted to each other.
Connector jack having a U-shaped portion, and the second locking portion has a convex portion that fits into the U-shaped hollow portion of the first locking portion. cover. 2. A taper-shaped convex portion having a substantially triangular cross section, which is provided on the outer side surface of the base and is erected on the outer side surface of the base and gradually becomes thicker toward the base. A wing-shaped projecting piece, wherein the first locking portion sandwiches the wing-shaped projecting piece, and a hole is formed to engage with a tapered projection of the wing-shaped projecting piece. And two blade-shaped protruding pieces sandwiched between two blade-shaped engaging protruding pieces of another connector, the taper-shaped protruding portions of the blade-shaped protruding pieces are 2. The connector jack cover according to claim 1, wherein the connector jack cover is locked in the U-shaped hollow portion of the first locking portion so that connectors corresponding to a desired number of poles can be connected and engaged. 3. A plurality of band-shaped protrusions are formed at predetermined intervals on an outer side surface between the wing-shaped protruding piece of the jack cover base and the two U-shaped engaging protrusions. Connector jack cover described in 2. 4. The hollow portion of the first locking portion has a substantially rectangular shape having a predetermined width and a predetermined height, and the second locking portion has a width substantially equal to the width of the hollow portion of the first locking portion. An extension extending substantially in the direction perpendicular to the height of the hollow portion of the first engaging portion and extending in the direction in which the first engaging portion is arranged so that the first engaging portion can fit into the hollow portion. A connector having a desired number of poles is formed by forming a "shape" in cross section having an extending portion, and fitting and locking the extending portion of the second engaging portion of the other connector jack cover into the hollow portion of the first engaging portion. The connector jack cover according to claim 1, wherein the connector jack cover is engageable. 5. A connector comprising: a jack portion formed of a conductive metal, which is connected to a tip portion of a connection cord that fits into a connector pin; and the jack cover according to any one of claims 1 to 4. . 6. The jack portion has a connector pin press-fitting diameter portion formed at a tip having a diameter that fits into a connector pin of the connector portion, and a connector pin holding diameter portion slightly larger than the press-fitting diameter portion. 6. The method according to claim 5, further comprising:
Connector described. 7. A synthetic resin in which the connector is a bioelectrode connector for connecting a bioelectrode and an induction electrode cord connected to a biosignal processing device, and the jack cover is color-coded according to the mounting position of the bioelectrode to be connected. 7. The connector according to claim 5, wherein the connector is formed by.