CN218828231U

CN218828231U - Test plug

Info

Publication number: CN218828231U
Application number: CN202223357712.8U
Authority: CN
Inventors: 张宝; 张平; 李卫光
Original assignee: Dehan Automation Kunshan Co ltd
Current assignee: Dehan Automation Kunshan Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-07
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a test plug belongs to test technical field. The test plug comprises a shell, a plurality of power supply test probes, a plurality of signal test probes, a reversing piece and an elastic piece. The shell comprises a plug front section, a plug middle section and a plug rear section, and a plurality of power supply test probes are arranged in the shell; the signal testing probes are arranged in the shell; the reverse-buckling piece is rotatably arranged on the outer wall surface of the middle section of the plug, a reverse-buckling part is arranged on one side of the reverse-buckling piece facing the front section of the plug, and a protruding part is arranged on one side of the reverse-buckling piece facing the rear section of the plug; the elastic piece presss from both sides and locates between bellying and the plug middle section to make the bellying have the trend of keeping away from the plug middle section all the time, the overhead kick portion has the trend of being close to the plug middle section all the time. The utility model discloses avoid vibration and accident and lead to becoming flexible or coming off, improved the socket firm in connection nature of test plug with the motor, guaranteed motor performance test's stability.

Description

Test plug

Technical Field

The utility model relates to a test technical field especially relates to a test plug.

Background

In an automobile door panel production line, after an automobile window lifting motor (hereinafter referred to as a motor) is assembled in an automobile door panel assembly, a special test plug connected with a test instrument is plugged into a socket on the motor to be electrified to perform related function tests.

The electrified part in the socket of motor has power output terminal and signal output terminal, and the socket outer wall of motor is provided with first card protruding and second card protruding, forms the draw-in groove between first card protruding and the second card protruding, and the part of circular telegram in the test plug is called test probe, and after the test plug inserted the motor socket, test probe and corresponding terminal contact are electrically conductive for the detection of electric property.

Because the test plug is the specialized tool on the production line, need frequently peg graft, circular telegram, outage, extract, after long-time the use, the socket grafting of test plug and motor is bad, leads to terminal and test probe contact failure easily, has reduced motor performance test's stability.

Therefore, it is desirable to provide a test plug to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a test plug improves the firm in connection nature of the socket of test plug and motor, guarantees motor performance test's stability.

In order to realize the purpose, the following technical scheme is provided:

a test plug, comprising:

the shell comprises a plug front section, a plug middle section and a plug rear section,

the power supply test probes are arranged in the shell;

a plurality of signal testing probes disposed within the housing;

the reversing piece is rotatably arranged on the outer wall surface of the middle section of the plug, a reversing part is arranged on one side of the reversing piece facing the front section of the plug, and a protruding part is arranged on one side of the reversing piece facing the rear section of the plug;

the elastic piece presss from both sides and locates the bellying with between the plug middle section, so that the bellying has the trend of keeping away from the plug middle section all the time, the overhead kick portion has the trend of being close to the plug middle section all the time.

As an alternative of the test plug, a plurality of first connecting holes are circumferentially arranged at intervals on the front section of the plug, a plurality of second connecting holes are circumferentially arranged at intervals on the middle section of the plug, a plurality of third connecting holes are circumferentially arranged at intervals on the rear section of the plug, and fasteners sequentially penetrate through the third connecting holes and the second connecting holes to be connected with the first connecting holes.

As an alternative scheme of the test plug, a first threading hole and a second threading hole are formed in the front section of the plug, a third threading hole and a fourth threading hole are formed in the middle section of the plug, the power supply test probe penetrates through the first threading hole and the third threading hole, and the signal test probe penetrates through the second threading hole and the fourth threading hole.

As an alternative of the test plug, a plurality of first heat dissipation grooves are arranged in parallel and at intervals on the front section of the plug, and the first threading hole and the second threading hole are communicated with the first heat dissipation grooves.

As an alternative of the test plug, a plugging portion is convexly arranged at one end of the plug middle section close to the plug front section, a slot is concavely arranged at one end of the plug front section close to the plug middle section, and the plugging portion is inserted into the slot.

As an alternative of the test plug, a first limiting portion and a second limiting portion are convexly arranged on the outer side wall of the middle section of the plug, a pin shaft is arranged on the first limiting portion, the reversing piece is rotatably arranged on the pin shaft, the outer edge of the slot is abutted to the first limiting portion, and one end of the rear section of the plug is abutted to the second limiting portion.

As an alternative of the test plug, a wire dividing hole is formed in one end, close to the rear section of the plug, of the middle section of the plug, and the third wire penetrating hole and the fourth wire penetrating hole are communicated with the wire dividing hole.

As an alternative of the test plug, at least two wire dividing holes are formed in the plug rear section, a fifth wire penetrating hole is formed in the plug rear section, and the at least two wire dividing holes are communicated with the fifth wire penetrating hole.

As an alternative of the test plug, a plurality of second heat dissipation grooves are arranged in parallel on the side wall of the rear plug section at intervals and communicated with the fifth threading hole.

As an alternative scheme of the test plug, the test plug further comprises an electric wire fixing head, a sixth threading hole is formed in the electric wire fixing head, one end of the electric wire fixing head is inserted into the plug rear section and is far away from one end of the plug middle section, and the fifth threading hole is communicated with the sixth threading hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a test plug, divide into the plug anterior segment with the shell, plug middle section and plug back end, the inside groove phase-match of the socket of plug anterior segment and motor, be provided with power test probe and signal test probe in the shell, back-off rotates the outer wall that sets up in the plug middle section, because the elastic component clamp is located between bellying and the plug middle section, make back-off portion have the trend that is close to the plug middle section, in the in-process that the plug anterior segment inserted the socket inside groove, back-off portion can automatic card go into in the draw-in groove that forms between first calorie of protruding and the second calorie of protruding, power test probe and power output terminal butt joint, signal test probe and signal output terminal butt joint, avoid vibration and unexpected and lead to the signal test probe not hard up or drop, the socket firm in connection nature of test plug and motor has been improved, guarantee terminal and test probe's accurate butt joint, motor performance test's stability has been improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a motor socket;

fig. 2 is a schematic view of a test plug and a socket of a motor according to an embodiment of the present invention;

fig. 3 is an exploded view of a test plug according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of the middle plug section, the reverse buckling member and the elastic member according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a front section of a plug in an embodiment of the present invention;

fig. 6 is a schematic structural view of a middle section of a plug in an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a rear plug section in an embodiment of the present invention;

fig. 8 is a schematic structural diagram of an electric wire fixing head according to an embodiment of the present invention.

Reference numerals:

100. testing the plug; 200. a socket; 201. a first snap projection; 202. a second snap projection; 203. a card slot; 204. a power supply output terminal; 205. a signal output terminal;

1. a housing; 2. a power supply test probe; 3. a signal test probe; 4. a back-off member; 5. an elastic member; 6. a fastener; 7. a wire fixing head;

11. a plug front section; 111. a first connection hole; 112. a first threading hole; 113. a second threading hole; 114. a first heat sink; 115. a slot;

12. a plug middle section; 121. a second connection hole; 122. a third threading hole; 123. a fourth threading hole; 124. a plug-in part; 125. a first limiting part; 126. a second limiting part; 127. a pin shaft; 128. a branching hole; 129. a limiting blind hole;

13. a plug rear section; 131. a third connection hole; 132. a second heat sink; 133. a fifth threading hole;

41. a reverse hook part; 42. a boss portion;

71. and a sixth threading hole.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, the socket 200 of the motor has a power output terminal 204 and a signal output terminal 205, the outer wall surface of the socket 200 of the motor is provided with a first protrusion 201 and a second protrusion 202, a slot 203 is formed between the first protrusion 201 and the second protrusion 202, the energized part in the test plug is called a test probe, and when the test plug is inserted into the socket 200 of the motor, the test probe is in contact with the corresponding terminal to conduct electricity for detecting the electrical property.

Because the test plug is a special tool on the production line, frequent plugging, electrifying, power-off and pulling-out are needed, after long-time use, the test plug is poorly plugged with the socket 200 of the motor, poor contact between the terminal and the test probe is easily caused, and the accuracy of motor performance test is reduced.

In order to improve the connection firmness between the test plug and the socket of the motor and ensure the stability of the motor performance test, the embodiment provides a test plug, and the details of the embodiment are described in detail below with reference to fig. 1 to 8.

As shown in fig. 1 to 3, the test plug 100 includes a housing 1, a plurality of power test probes 2, a plurality of signal test probes 3, an inverse buckle 4, and an elastic member 5. The housing 1 includes a plug front section 11, a plug middle section 12, and a plug rear section 13. A plurality of power supply test probes 2 are disposed within the housing 1. A number of signal testing probes 3 are arranged in the housing 1. The reverse fastener 4 is rotatably arranged on the outer wall surface of the plug middle section 12, a reverse hook portion 41 is arranged on one side, facing the plug front section 11, of the reverse fastener 4, and a protruding portion 42 is arranged on one side, facing the plug rear section 13, of the reverse fastener 4. The elastic member 5 is sandwiched between the protruding portion 42 and the plug middle section 12, so that the protruding portion 42 always tends to be away from the plug middle section 12, and the barb portion 41 always tends to be close to the plug middle section 12.

In short, the utility model provides a test plug 100, divide into plug anterior segment 11 with shell 1, plug middle section 12 and plug back end 13, plug anterior segment 11 and the socket 200's of motor inside groove phase-match, be provided with power test probe 2 and signal test probe 3 in the shell 1, back-off 4 rotates the outer wall that sets up in plug middle section 12, because elastic component 5 presss from both sides and locates between bellying 42 and the plug middle section 12, make back-off 41 have the trend that is close to plug middle section 12, in-process when plug anterior segment 11 inserts the socket 200 inside groove, back-off 41 can be automatic block into in the draw-in groove 203 that forms between first calorie of protruding 201 and the second calorie of protruding 202, power test probe 2 and power output terminal 204 butt joint, signal test probe 3 and signal output terminal 205 butt joint, avoid vibration and accident and lead to becoming flexible or coming off, the socket 200 connectivity of test plug 100 with the motor has been improved, guarantee terminal and test probe's accurate butt joint, the stability of motor performance test has been improved.

Further, 11 circumference intervals in plug anterior segment are equipped with a plurality of first connecting

hole

111, and 12 circumference intervals in plug middle section are equipped with a plurality of second connecting

hole

121, and 13 circumference intervals in plug back end are equipped with a plurality of third connecting hole 131, and fastener 6 passes third connecting hole 131 and second connecting hole 121 in proper order and is connected with first connecting hole 111, connects as an organic whole plug anterior segment 11, plug middle section 12 and plug back end 13.

Specifically, four first connection holes 111, four second connection holes 121, and four third connection holes 131 are provided in the present embodiment, and two, three, or five connection holes may be provided in other embodiments, which is not limited herein.

Further, as shown in fig. 3 to fig. 6, a first threading hole 112 and a second threading hole 113 are provided in the plug front section 11, a third threading hole 122 and a fourth threading hole 123 are provided in the plug middle section 12, the power supply test probe 2 is inserted into the first threading hole 112 and the third threading hole 122, and the signal test probe 3 is inserted into the second threading hole 113 and the fourth threading hole 123. Through setting up first through wires hole 112, second through wires hole 113, third through wires hole 122 and fourth through wires hole 123, be convenient for install power test probe 2 and signal test probe 3 in shell 1.

Specifically, two first threading holes 112 are provided, and four second threading holes 113 are provided; the third threading holes 122 are provided in two, and the fourth threading holes 123 are provided in four.

Further, a plurality of first heat dissipation grooves 114 are arranged in parallel on the plug front section 11 at intervals, and the first threading holes 112 and the second threading holes 113 are communicated with the first heat dissipation grooves 114. By providing the first heat dissipation groove 114, heat dissipation of the power test probe 2 and the signal test probe 3 inside the housing 1 is facilitated, and the test plug 100 is ensured to be maintained within a proper temperature range.

Furthermore, a plugging portion 124 is convexly arranged at one end, close to the plug front section 11, of the plug middle section 12, a slot 115 is concavely arranged at one end, close to the plug middle section 12, of the plug front section 11, the plugging portion 124 is inserted into the slot 115, and the plugging portion 124 is matched with the slot 115 in shape, so that firm plugging between the plug front section 11 and the plug middle section 12 is ensured.

Further, the outer side wall of the plug middle section 12 is convexly provided with a first limiting portion 125 and a second limiting portion 126, the first limiting portion 125 is provided with a pin shaft 127, the reverse buckle 4 is rotatably arranged on the pin shaft 127, the outer edge of the slot 115 abuts against the first limiting portion 125, and one end of the plug rear section 13 abuts against the second limiting portion 126. The outer side wall of the plug middle section 12 between the first position-limiting portion 125 and the second position-limiting portion 126 is a hand-held position.

Further, a wire dividing hole 128 is formed in one end, close to the plug rear section 13, of the plug middle section 12, and the third wire dividing hole 122 and the fourth wire dividing hole 123 are communicated with the wire dividing hole 128. The wire of power test probe 2 and signal test probe 3 is convenient for arrange in order, avoids the mixed and disorderly distribution of wire.

Specifically, two third threading holes 122 and one fourth threading hole 123 are provided in a group, and the group of holes communicates with one threading hole 128 at a time.

Further, the number of the branching holes 128 is at least two, a fifth threading hole 133 is arranged in the plug rear section 13, and the at least two branching holes 128 are communicated with the fifth threading hole 133. The wires of the power supply test probe 2 and the signal test probe 3 are grouped by the wire passing hole 128 and then gathered to the fifth wire passing hole 133.

Further, as shown in fig. 7, a plurality of second heat dissipation grooves 132 are formed in parallel and spaced apart on the side wall of the plug rear section 13, and the second heat dissipation grooves 132 are communicated with the fifth threading hole 133. The second heat dissipation groove 132 is additionally arranged, so that the second heat dissipation groove 132 can dissipate heat of the wires of the power test probe 2 and the signal test probe 3.

Further, as shown in fig. 8, the test plug 100 further includes a wire fixing head 7, a sixth threading hole 71 is provided in the wire fixing head 7, one end of the wire fixing head 7 is inserted into one end of the plug rear section 13 far away from the plug middle section 12, and the fifth threading hole 133 is communicated with the sixth threading hole 71.

Illustratively, one end of the wire fixing head 7 is provided with an external screw head, an internal screw hole is provided in the hole of the fifth threading hole 133 of the plug rear section 13, and the wire fixing head 7 is screwed with the plug rear section 13.

In this embodiment, the head of the power test probe 2 is oppositely provided with two elastic clamping pieces for clamping the power output terminal 204. A spring is arranged in the head of the signal testing probe 3, and a contact head is arranged on the spring. The test probes in this embodiment are selected ingaas probes and optimized mounting hole sizes so that the life of the probes is extended.

To sum up, the working principle of the test plug 100 is as follows: plug middle section 12 is held between the palm to the staff, with the socket 200 of test plug 100 whole insertion motor, plug anterior segment 11 plays direction and limiting displacement with the cooperation of motor socket 200, the first card of back-off 4 automatic slip on motor socket 200 in the insertion process is buckled draw-in groove 203 under the effect of elastic component 5, power test probe 2 presss from both sides the power output terminal 204 top and bottom of motor at the insertion in-process, signal output terminal 205 leans on the spring force top tightly on the signal output terminal 205 terminal surface of motor, accomplish the grafting of test plug 100 and socket 200 so, later the circular telegram test.

It should be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A test plug, comprising:

a shell (1) which comprises a plug front section (11), a plug middle section (12) and a plug rear section (13),

the power supply test probes (2) are arranged in the shell (1);

a plurality of signal testing probes (3) arranged in the housing (1);

the reversing piece (4) is rotatably arranged on the outer wall surface of the plug middle section (12), a reversing part (41) is arranged on one side, facing the plug front section (11), of the reversing piece (4), and a protruding part (42) is arranged on one side, facing the plug rear section (13), of the reversing piece (4);

elastic component (5), press from both sides and locate bellying (42) with between plug middle section (12), so that bellying (42) have all the time and keep away from the trend of plug middle section (12), overhead kick (41) have all the time and are close to the trend of plug middle section (12).

2. The test plug according to claim 1, wherein the plug front section (11) is circumferentially provided with a plurality of first connecting holes (111) at intervals, the plug middle section (12) is circumferentially provided with a plurality of second connecting holes (121) at intervals, the plug rear section (13) is circumferentially provided with a plurality of third connecting holes (131) at intervals, and fasteners (6) sequentially penetrate through the third connecting holes (131) and the second connecting holes (121) to be connected with the first connecting holes (111).

3. The test plug according to claim 1, wherein the plug front section (11) is provided with a first threading hole (112) and a second threading hole (113), the plug middle section (12) is provided with a third threading hole (122) and a fourth threading hole (123), the power test probe (2) is inserted into the first threading hole (112) and the third threading hole (122), and the signal test probe (3) is inserted into the second threading hole (113) and the fourth threading hole (123).

4. The test plug according to claim 3, wherein the plug front section (11) is provided with a plurality of first heat dissipation grooves (114) in parallel and at intervals, and the first threading hole (112) and the second threading hole (113) are communicated with the first heat dissipation grooves (114).

5. The test plug according to claim 3, wherein an end of the plug middle section (12) close to the plug front section (11) is convexly provided with a plugging portion (124), an end of the plug front section (11) close to the plug middle section (12) is concavely provided with a slot (115), and the plugging portion (124) is inserted into the slot (115).

6. The test plug according to claim 5, wherein a first limiting portion (125) and a second limiting portion (126) are convexly provided on an outer side wall of the plug middle section (12), a pin shaft (127) is provided on the first limiting portion (125), the reversing element (4) is rotatably provided on the pin shaft (127), an outer edge of the slot (115) abuts against the first limiting portion (125), and one end of the plug rear section (13) abuts against the second limiting portion (126).

7. The test plug according to claim 3, wherein a wire dividing hole (128) is formed in one end of the plug middle section (12) close to the plug rear section (13), and the third wire penetrating hole (122) and the fourth wire penetrating hole (123) are communicated with the wire dividing hole (128).

8. The test plug according to claim 7, wherein at least two wire dividing holes (128) are provided, a fifth wire threading hole (133) is provided in the plug rear section (13), and at least two wire dividing holes (128) are communicated with the fifth wire threading hole (133).

9. The test plug according to claim 8, wherein the side walls of the plug rear section (13) are provided with a plurality of second heat dissipation grooves (132) in parallel and spaced apart, and the second heat dissipation grooves (132) are communicated with the fifth threading hole (133).

10. The test plug according to claim 8 or 9, further comprising a wire fixing head (7), wherein a sixth threading hole (71) is formed in the wire fixing head (7), one end of the wire fixing head (7) is inserted into one end of the plug rear section (13) far away from the plug middle section (12), and the fifth threading hole (133) is communicated with the sixth threading hole (71).