CN113224570B - Connector assembly with position assurance device - Google Patents

Connector assembly with position assurance device Download PDF

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Publication number
CN113224570B
CN113224570B CN202010064882.3A CN202010064882A CN113224570B CN 113224570 B CN113224570 B CN 113224570B CN 202010064882 A CN202010064882 A CN 202010064882A CN 113224570 B CN113224570 B CN 113224570B
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China
Prior art keywords
connector
position assurance
assurance device
pair
terminal
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CN202010064882.3A
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Chinese (zh)
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CN113224570A (en
Inventor
陈波
张洪波
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Tyco Electronics Shanghai Co Ltd
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Tyco Electronics Shanghai Co Ltd
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Priority to CN202010064882.3A priority Critical patent/CN113224570B/en
Publication of CN113224570A publication Critical patent/CN113224570A/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • H01R13/6272—Latching means integral with the housing comprising a single latching arm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device

Abstract

A connector assembly, comprising: a first connector, comprising: at least one terminal slot; and a latch configured to latch the first connector with the second connector; and a position assurance device configured to be removably mounted within the first connector, the position assurance device comprising: a body; a blocking member provided on the body and configured to block at least one terminal received in the at least one terminal slot from moving in the at least one terminal slot when the position assurance device is installed in the first connector; an abutment provided on the body and configured to abut against a catch piece of the first connector when the position assurance device is mounted within the first connector, so that the first connector is held in latching engagement with the second connector; and a fastener provided on the body and configured to fasten the position assurance device to the first connector when the position assurance device is installed within the first connector.

Description

Connector assembly with position assurance device
Technical Field
The present invention relates to connector assemblies, and more particularly to a connector assembly with a position assurance device.
Background
The products of terminal crimping (e.g., CRIMP crimping) typically have TPA (Terminal Position Assurance ) to ensure that the terminals are installed in place and CPA (Connector Position Assurance ) to ensure plastic snap stability. Typically, TPA and CPA function as separate parts, respectively, which results in a large number of parts at installation and a large assembly time for the customer.
Disclosure of Invention
In view of the problems existing in the prior art, an aspect of the present invention provides a position assurance device for use with a connector, the position assurance device comprising: a body; a blocking member provided on the body and configured to block at least one terminal received in at least one terminal slot of the connector from moving within the at least one terminal slot when the position assurance device is installed within the connector; an abutment provided on the body and configured to abut against a catch piece of the connector when the position assurance device is mounted within the connector; a fastener disposed on the body and configured to fasten the position assurance device to the connector when the position assurance device is installed within the connector.
In one embodiment, the position assurance device further comprises a connector disposed on the body, the connector being configured to retain the position assurance device connected to the connector after the position assurance device is uninstalled from within the connector.
In one embodiment, the connector includes a pair of cantilever arms extending outwardly along a side of the body, the pair of cantilever arms being provided with a pair of bosses at an end remote from the body, wherein the pair of bosses are located at a first limit on the connector when the position assurance device is installed in the connector, and the pair of bosses move from the first limit to a second limit to retain the position assurance device connected to the connector after the position assurance device is uninstalled from within the connector.
In one embodiment, the blocking member includes at least one post extending downwardly along a surface of the body, the at least one post being configured to respectively compress the at least one terminal within the at least one terminal slot to block movement of the at least one terminal within the at least one terminal slot when the position assurance device is installed within the connector.
In one embodiment, the abutment comprises a tongue extending outwardly from a side face of the body.
In one embodiment, the fastener includes at least one engagement block extending downwardly along the surface of the body and disposed opposite the at least one post, the at least one engagement block configured to engage at least one slot formed on the at least one terminal slot, respectively, when the position assurance device is installed within the connector.
Another aspect of the invention provides a connector assembly comprising: a first connector, comprising: at least one terminal slot configured to receive at least one wire connection terminal; and a latch configured to latch the first connector with a second connector; and a position assurance device configured to be removably mounted within the first connector, the position assurance device comprising: a body; a blocking member provided on the body and configured to block the at least one connection terminal received in the at least one terminal slot from moving within the at least one terminal slot when the position assurance device is installed within the first connector; an abutment provided on the body and configured to abut against the latch of the first connector when the position assurance device is mounted within the first connector, so that the first connector is held in latching engagement with the second connector; and a fastener provided on the body and configured to fasten the position assurance device to the first connector when the position assurance device is installed within the first connector.
In one embodiment, the second connector further comprises a latch mating member configured to form a latch fit with the latch member of the first connector when the position assurance device is installed within the first connector and the second connector is installed on the first connector.
In one embodiment, the position assurance device further comprises a connector disposed on the body, the connector being configured to retain the position assurance device connected to the connector after the position assurance device is uninstalled from within the connector.
In one embodiment, the connector includes a pair of cantilever arms extending outwardly along a side of the body, the pair of cantilever arms being provided with a pair of bosses at an end remote from the body, wherein the pair of bosses are located at a first limit on the connector when the position assurance device is installed in the connector, and the pair of bosses move from the first limit to a second limit to retain the position assurance device connected to the connector after the position assurance device is uninstalled from within the connector.
In one embodiment, the blocking member includes at least one post extending downwardly along a surface of the body, the at least one post being configured to respectively compress the at least one terminal within the at least one terminal slot to block movement of the at least one terminal within the at least one terminal slot when the position assurance device is installed within the connector.
In one embodiment, the abutment comprises a tongue extending outwardly from a side face of the body.
In one embodiment, the fastener includes at least one engagement block extending downwardly along the surface of the body and disposed opposite the at least one post, the at least one engagement block configured to engage at least one slot formed on the at least one terminal slot, respectively, when the position assurance device is installed within the connector.
In another aspect, the present invention provides a method of assembling a connector assembly, the method comprising the steps of: loading the at least one terminal into the at least one terminal slot of the first connector; the position assurance device is mounted within the first connector such that the blocking member blocks movement of the at least one terminal within the at least one terminal slot, the abutment member abuts the latch member of the first connector and the fastener secures the position assurance device to the first connector.
In one embodiment, the connector assembly further comprises a second connector, the method further comprising the steps of: the second connector is mounted on the first connector such that the second connector forms a snap-fit connection with the first connector.
In one embodiment, the position assurance device further comprises a pair of cantilever arms extending outwardly from the body, the pair of cantilever arms being provided with a pair of bosses at an end remote from the body, wherein the pair of bosses are located at a first limit on the first connector when the position assurance device is installed in the first connector, the method further comprising the steps of: and moving the pair of bosses from the first limit position to the second limit position so that the position assurance device is uninstalled from the first connector and remains connected to the first connector.
The position assurance device of the present invention integrates TPA and CPA, reduces the number of parts, provides the connector assembly with the position assurance device to customers, reduces the assembly time of the customer CPA and TPA, and simultaneously can easily realize the loading and unloading of the position assurance device into and from the connector assembly.
Drawings
FIG. 1 is a perspective view of a connector assembly according to one embodiment of the invention with a position assurance device in an open position;
FIG. 2 is a perspective view of a first connector of the connector assembly of FIG. 1;
FIG. 3 is a perspective view of the front face of the position assurance device of the connector assembly of FIG. 1;
FIG. 4 is a perspective view of the rear of the position assurance device of the connector assembly of FIG. 1;
FIG. 5 is an enlarged partial schematic view of the fastener of FIG. 4;
fig. 6 is a partial enlarged view of the receiving apparatus in fig. 2;
fig. 7 is an enlarged view of a portion of the receiving device of fig. 2, taken in section;
FIG. 8 is a perspective view of a connector assembly after installation according to one embodiment of the present invention;
FIGS. 9 and 10 are views of FIG. 8 taken along line C-C;
fig. 11 is a perspective view of a connector assembly according to another embodiment of the present invention, wherein the connector assembly has been installed.
Detailed Description
In the following detailed description of the preferred embodiments, reference is made to the accompanying drawings which form a part hereof. The accompanying drawings illustrate, by way of example, specific embodiments in which the invention may be practiced. The exemplary embodiments are not intended to be exhaustive of all embodiments according to the invention. In the specification, the same or similar reference numerals denote the same or similar components. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims.
The terms "comprising," including, "and similar terms used herein should be interpreted as open-ended terms, i.e., including, but not limited to," meaning that other elements may also be included. The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment," and so forth.
According to a first aspect of the present invention, there is provided a connector assembly comprising: a first connector, comprising: at least one terminal slot configured to receive at least one wire connection terminal; and a latch configured to latch the first connector and the second connector together; and a position assurance device configured to be removably mounted within the first connector, the position assurance device comprising: a body; a blocking member provided on the body and configured to block the at least one connection terminal received in the at least one terminal slot from moving within the at least one terminal slot when the position assurance device is installed within the first connector; an abutment provided on the body and configured to abut against the latch of the first connector to make latching of the first connector and the second connector more stable when the position assurance device is mounted within the first connector; and a fastener provided on the body and configured to fasten the position assurance device to the first connector when the position assurance device is installed within the first connector and the first connector is latched with the second connector.
The present invention will be described in detail with reference to fig. 1 to 11.
As shown in fig. 1 and 2, the connector assembly 100 includes a first connector 101 and a position assurance device 102, the first connector 101 including a housing 101a and a latch 101b.
The housing 101a includes four terminal slots 101c, each terminal slot 101c extending along the housing 101a from one end of the housing 101a to the other end in a direction 101J as shown in fig. 2 and configured to receive a wiring terminal, a card slot 101d being formed on an upper surface of each terminal slot 101c, the card slot 101d having a width smaller than that of the terminal slot 101 c.
The housing 101a further comprises a pair of receiving means 101e arranged on both sides of the housing 101a in the direction 101J for receiving the position assurance means 102 such that the position assurance means 102 form a detachable connection with the housing 101a, each receiving means 101e comprising a first limit 101g and a second limit 101f.
The locking piece 101b is configured to lock the first connector 101 and the second connector (not shown in fig. 1 and 2) together. The locking piece 101b may be integrally formed with the housing 101a or may be a separate piece joined to the housing 101 a. As shown in fig. 2, the latch 101b includes a hook portion 101m and a pressing portion 101n, where the hook portion 101m may be snapped together with a latch mating piece on a mating second connector, and the pressing portion 101n may be used to be pressed to move the hook portion 101m to unlock. In another embodiment as shown in fig. 11, the connector assembly 200 includes, in addition to the components of the embodiment shown in fig. 1, a second connector 201, the second connector 201 including a latch mating member (not shown in fig. 11) configured to form a latch fit with the latch member 101b of the first connector when the position assurance device 102 is installed within the first connector 101 and the second connector 201 is installed on the first connector 101. Wherein, a gap 101h (as shown in fig. 9 and 10) is formed between the latch 101b and the upper surface of the housing 101 a. It should be appreciated that in another embodiment, the housing 101 may include 1, 2, or any number of terminal slots. It should be appreciated that the catch 101b herein may be any suitable engagement means such as a latch.
As shown in fig. 2 to 7, the position assurance device 102 includes a body 102a, a stopper 102b, a fastener 102c, and a tongue piece 102d. A pair of cantilevers 102e and a tongue piece 102d are formed outwardly at one side surface of the body 102a, and one end of the pair of cantilevers 102e away from the body 102a is provided with a pair of bosses 102h extending perpendicularly to the cantilevers 102e and outwardly with respect to the pair of cantilevers 102e for receiving the position assurance device 102 in the receiving device 101e of the housing 101 a.
When the boss 102h is located at the first limit position 101g, the position assurance device 102 is in the locked position, the blocking member 102b is received in the terminal slot 101c through the catching groove 101d and blocks the terminal received in the terminal slot 101c from moving within the terminal slot 101c, the fastening member 102c is engaged with the catching groove 101d, thereby fastening the position assurance device 102 to the first connector 101, the tongue piece 102d is inserted in the gap 101h a distance to abut the pressing portion 101n of the latch member 101b so that the pressing portion 101n cannot be pressed and unlocked, but the first connector and the second connector maintain a stable latch fit, and it is understood that in an embodiment in which the first connector and the second connector are latched with each other through the latch piece and the latch matching member, the tongue piece 102d abuts the latch member 101b to function to prevent the first connector from being separated from the second connector, in other words, so that the first connector and the second connector maintain a stable latch fit.
When the boss 102h is located at the second limit 101f, the position assurance device is in a uninstalled position (i.e., a position withdrawn from the first connector, at which the position assurance device 102 remains connected to the housing 101a and the position assurance device 102 can be flipped up relative to the housing 101 a), the blocking member 102b is separated from the terminal, the fastener 102c is separated from the card slot 101d, and the tongue is separated from the latch 101b. In the embodiment shown in fig. 3 and 4, the boss 102h is a cylinder. It should be appreciated that the boss 102h may be other suitable shapes.
As shown in fig. 1, 4 and 5, the fastener 102c includes a catching block extending downward along the lower surface of the body 102a, the catching block including a first portion 103a and a second portion 103b, the maximum width of the first portion 103a being smaller than the width of the catching groove 101d and the maximum width of the second portion 103b being larger than the width of the catching groove 101d but smaller than the width of the terminal slot 101c, so that the catching block can be caught with the catching groove 101d when the position assurance device 102 is mounted in the first connector 101 through the terminal slot 101c, thereby preventing the position assurance device 102 from being turned upward with respect to the housing 101 a.
In one embodiment, the barrier 102b is a cylinder (e.g., a prism as shown in fig. 4). In one embodiment, the position assurance device 102 includes a plurality of stops 102b corresponding to the number of terminal slots 101c, each stop 102b receivable in a respective terminal slot by a card slot 101 d. In one embodiment, the position assurance device 102 includes a plurality of fasteners 102c corresponding in number to the terminal slots 101c, and the stoppers 102b are provided in one-to-one correspondence with the fasteners 102c and opposite to each other at the lower surface of the body 102 a. In one embodiment, when the number of the stoppers 102b and the terminal slots 101c is two or more, the number of the fasteners 102c may be only two or may be two or more. In one embodiment, the first portion 103a and the second portion 103b of the snap block form an inverted trapezoidal structure. It should be appreciated that in another embodiment, the tongue 102d may be replaced with any other suitable abutment capable of abutting the catch 101b.
According to a second aspect of the invention, a method of assembling a connector assembly according to the first aspect of the invention, the method comprising the steps of:
1) At least one terminal is fitted into the at least one terminal slot of the first connector 101.
2) The position assurance device 102 is mounted on the first connector 101.
3) A mating second connector 201 is mated with the first connector 101 such that the second connector 201 forms a snap fit with the first connector 101.
4) The position assurance device 102 is rotated such that the blocking member 102b is fully received within the first connector 101. In one embodiment, the position assurance device 102 is flipped downward relative to the first connector 101 such that the blocking member 102b is fully received within at least one terminal slot of the first connector 101 by the card slot 101 d.
5) The position assurance device 102 is translated such that the blocking member 102b abuts the at least one terminal slot and the abutment member 102d abuts the latch member 101b of the first connector 101 and the fastener 102c engages the latch slot 101d to secure the position assurance device 102 to the first connector 101.
It will be appreciated that steps 3) and 4) above may be interchanged and that there is no absolute order.
In one embodiment, the position assurance device 102 further includes a pair of cantilever arms 102e extending outwardly from the body 102a, the pair of cantilever arms 102e being provided with a pair of bosses 102h at an end remote from the body 102a, wherein mounting the position assurance device 102 on the first connector 101 includes the steps of:
placing the pair of bosses 102h at a first limit 101g of the first connector 101 such that the position assurance device 102 forms a connection with the first connector 101;
moving the position assurance device 102 such that the pair of bosses 102h move from the first limit 101g to the second limit 101f of the first connector 101;
wherein translating the position assurance device 102 comprises the steps of:
the pair of bosses 102h is translated from the second limit 101f to the first limit 101 g.
In another embodiment, the position assurance device 102 further includes a pair of cantilever arms 102e extending outwardly from the body 102a, the pair of cantilever arms 102e being provided with a pair of bosses 102h at an end remote from the body 102a, wherein the pair of bosses 102h are located at a first limit 101g on the first connector 101 when the position assurance device 102 is installed in the first connector 101, the method further comprising the steps of: the pair of bosses 102h are moved from the first limit 101g to the second limit 101f so that the position assurance device 102 is uninstalled from within the first connector 101 and remains connected to the first connector 101.
The position assurance device of the present invention integrates TPA and CPA, reduces the number of parts, provides the connector assembly with the position assurance device to customers, reduces the assembly time of the customer CPA and TPA, and simultaneously can easily realize the loading and unloading of the position assurance device into and from the connector assembly.
It should be noted that the above-mentioned embodiments are merely examples of the present invention, and it is obvious that the present invention is not limited to the above-mentioned embodiments, and many similar variations are possible. All modifications attainable or obvious from the present disclosure set forth herein should be deemed to be within the scope of the present disclosure.

Claims (12)

1. A position assurance device for use with a connector, the position assurance device comprising:
a body;
a blocking member provided on the body and configured to block at least one terminal received in at least one terminal slot of the connector from moving within the at least one terminal slot when the position assurance device is installed within the connector;
an abutment provided on the body and configured to abut against a catch piece of the connector when the position assurance device is mounted within the connector;
a fastener provided on the body and configured to fasten the position assurance device to the connector when the position assurance device is installed within the connector; and
the connecting piece, the connecting piece sets up on the body, the connecting piece includes along a pair of cantilever of the outside extension of side of body, a pair of cantilever is kept away from the one end of body is provided with a pair of boss, wherein when the position assurance device is installed in the connector, a pair of boss is located first spacing department on the connector, and when the position assurance device is by being detached from in the connector after the installation, a pair of boss is followed first spacing department moves to second spacing department to with the position assurance device keeps being connected on the connector.
2. The position assurance device of claim 1, wherein the blocking member comprises at least one post extending downwardly along a surface of the body, the at least one post being configured to respectively compress the at least one wire terminal within the at least one terminal slot to block movement of the at least one wire terminal within the at least one terminal slot when the position assurance device is installed within the connector.
3. The position assurance device of claim 1, wherein the abutment includes a tongue extending outwardly from a side of the body.
4. The position assurance device of claim 2, wherein the fastener includes at least one engagement block extending downwardly along the surface of the body and disposed opposite the at least one post, the at least one engagement block configured to engage at least one detent formed on the at least one terminal slot, respectively, when the position assurance device is installed within the connector.
5. A connector assembly, comprising:
a first connector, comprising:
at least one terminal slot configured to receive at least one wire connection terminal;
a latch configured to latch the first connector with a mating second connector; and
a receiving device configured to receive a position assurance device such that the position assurance device forms a detachable connection with the first connector, the receiving device comprising a first limit and a second limit; and
the position assurance device configured to be removably mounted within the first connector, the position assurance device comprising:
a body;
a blocking member provided on the body and configured to block the at least one connection terminal received in the at least one terminal slot from moving within the at least one terminal slot when the position assurance device is installed within the first connector;
an abutment provided on the body and configured to abut against the latch of the first connector when the position assurance device is mounted within the first connector, so that the first connector is held in latching engagement with the second connector;
a fastener provided on the body and configured to fasten the position assurance device to the first connector when the position assurance device is installed within the first connector and the first connector is latched with the second connector; and
the connecting piece, the connecting piece sets up on the body, the connecting piece includes a pair of cantilever that extends outwards along a side of body, a pair of cantilever is kept away from the one end of body is provided with a pair of boss, wherein when the position assurance device is installed in the first connector, a pair of boss is located first spacing department on the connector, and when the position assurance device is by being detached from in the first connector after the position assurance device is removed from first spacing department to second spacing department, in order to with the position assurance device keeps being connected on the first connector.
6. The connector assembly of claim 5, further comprising the second connector including a latch mating member configured to form a latch fit with the latch member of the first connector when the position assurance device is installed within the first connector and the second connector is installed on the first connector.
7. The connector assembly of claim 5, wherein the blocking member comprises at least one post extending downwardly along a surface of the body, the at least one post configured to respectively compress the at least one wire terminal within the at least one terminal wire slot to block movement of the at least one wire terminal within the at least one terminal wire slot when the position assurance device is installed within the first connector.
8. The connector assembly of claim 5, wherein the abutment comprises a tongue extending outwardly from a side of the body.
9. The connector assembly of claim 7, wherein the fastener includes at least one engagement block extending downwardly along the surface of the body and disposed opposite the at least one post, the at least one engagement block configured to engage at least one detent formed on the at least one terminal slot, respectively, when the position assurance device is installed within the first connector.
10. A method of assembling the connector assembly of claim 5, comprising the steps of:
mounting the position assurance device on the first connector;
mating a mating second connector with the first connector such that the second connector forms a snap fit with the first connector;
rotating the position assurance device such that the blocking member is fully received within the first connector;
the position assurance device is translated such that the blocking member abuts the at least one terminal and the abutment member abuts the latch member and the fastener of the first connector to secure the position assurance device to the first connector.
11. The method of claim 10, wherein mounting the position assurance device on the first connector comprises the steps of:
placing the pair of bosses at the first limit of the first connector so that the position assurance device is connected with the first connector;
moving the position assurance device such that the pair of bosses move from the first limit to the second limit of the first connector;
wherein translating the position assurance device comprises the steps of:
and translating the pair of bosses from the second limit to the first limit.
12. The method of claim 10, wherein the pair of bosses are located at a first limit on the first connector when the position assurance device is installed within the first connector, the method further comprising the steps of:
and moving the pair of bosses from the first limit position to the second limit position so that the position assurance device is detached from the first connector and remains connected to the first connector.
CN202010064882.3A 2020-01-20 2020-01-20 Connector assembly with position assurance device Active CN113224570B (en)

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