CN220137227U - Floating plug connector - Google Patents

Abstract

The utility model discloses a floating plug connector, which comprises: the device comprises a floating plate, a test circuit board, a fixed seat, a plug-in main body and a fixed plate. The floating plate comprises a first front end face provided with a first accommodating cavity; the test circuit board is arranged in the first accommodating cavity; after the fixed plate is fixed on the tabletop, the floating plate is connected with the fixed plate through the elastic piece, the inserting main body is detachably arranged on the floating plate through the fixed seat, and the inserting main body can be floatingly arranged on the fixed plate through the elastic piece between the floating plate and the fixed plate, so that when the inserting main body is inserted into a test port of a product to be tested, the inner side test conductor of the inserting main body is better contacted with a terminal in the product to be tested through the elastic action of the elastic piece, and the lateral pressure of the test conductor can be prevented from being received by the elastic piece; meanwhile, through the specific movement between the floating plate and the fixed plate, the situation that after the plugging main body is plugged with the product to be tested, the gap between the plugging main body and the product to be tested is too small or even no gap exists after the product to be tested is shifted is avoided.

Description

Floating plug connector

Technical Field

The utility model relates to the technical field of electronic test equipment, in particular to a floating plug connector.

Background

In the testing of standard modules such as vehicle-mounted control boxes, vehicle door electric boxes, carriage control boxes and vehicle-mounted motor electric control boxes, for some standard electronic modules, standard test fixture clamps are generally adopted to perform electrical testing on the electronic modules.

However, the standard module has high integration level and the module is not detachable, so that the standard module is generally connected in a conductive way through an externally matched interface, and therefore, the plug-in test connector of the plug type is required to be inserted into the electronic module to be electrically connected with the electronic module so as to test the electronic module. Then, the conductors in the plug and the terminals of the electronic module are eccentrically contacted due to position deviation in the plugging process of the plug and the electronic module, and the conductors are subjected to side force for a long time, so that the connector for testing is damaged.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the floating plug connector which can lead the stress between the conductor inside the plug and the terminal of the electronic module to be uniform, thereby prolonging the service life of the plug.

A floating plug connector according to an embodiment of the present utility model, the floating plug connector: the device comprises a floating plate, a test circuit board, a fixed seat, a plug-in main body and a fixed plate.

The floating plate comprises a first front end face and a first rear end face, the first front end face and the first rear end face are oppositely arranged on two sides of the floating plate, and a first accommodating cavity is formed in the first front end face;

the test circuit board comprises a connecting end and an external end, wherein the connecting end is connected with the external end, and the connecting end is arranged in the first accommodating cavity;

the fixing seat is detachably arranged on one side of the floating plate and positioned on one side of the first front end face, the fixing seat comprises a second front end face and a second rear end face, part of the second rear end face of the fixing seat covers the first accommodating cavity, the second front end face and the second rear end face are oppositely arranged on two sides of the fixing seat, a plurality of connecting holes are formed in the fixing seat, and the connecting holes penetrate through the second front end face and the second rear end face;

the plug main body is arranged on the fixing seat and is positioned on one side of the second front end face, the plug main body comprises a third front end face and a third rear end face, the third front end face and the third rear end face are oppositely arranged on two sides of the plug main body, the third rear end face is connected with the second front end face, the third front end face is abutted with a product to be tested, a plurality of test through holes are arranged in the plug main body, the test through holes are in one-to-one correspondence with the positions of the connecting holes, a test conductor is penetrated in the test through holes, one end of the test conductor penetrates through the connecting holes to be abutted on the test circuit board, and the other end of the test conductor is close to the port of the other end of the test through hole; and

one side of the fixed plate is provided with a plurality of fourth accommodating cavities, elastic pieces are accommodated in the fourth accommodating cavities, the floating plate is movably arranged on the fixed plate and positioned on one side provided with the fourth accommodating cavities, one end of each elastic piece is abutted to the fixed plate, and the other end of each elastic piece is abutted to the first rear end face.

The floating plug connector provided by the embodiment of the utility model has at least the following beneficial effects: after the fixed plate is fixed on a tabletop, the floating plate is connected with the fixed plate through the elastic piece, meanwhile, the plug-in main body is detachably arranged on the floating plate through the fixed seat, and the plug-in main body can be floatingly arranged on the fixed plate through the elastic piece between the floating plate and the fixed plate, so that when the plug-in main body is plugged into a test port of a product to be tested, the test conductor on the inner side of the plug-in main body can be better contacted with a terminal in the product to be tested through the left and right elasticity of the elastic piece, and the lateral pressure of the test conductor can be prevented from being received by the stress of the test conductor; meanwhile, due to the fact that the floating plate and the fixed plate are specific in movement, the situation that after the plugging main body is plugged with the product to be tested, a gap between the floating plate and the fixed plate is too small or even does not exist after the product to be tested is offset is avoided.

According to some embodiments of the utility model, the fixing base is provided with a plurality of first mounting holes, the first mounting holes are symmetrically arranged, the test circuit board is provided with mounting through holes corresponding to the positions of the first mounting holes, the mounting through holes are positioned on the connecting end, the test circuit board is detachably connected with the fixing base through a connecting piece, the floating board is provided with avoidance holes, the avoidance holes are positioned in the first accommodating cavity, and the avoidance holes are used for avoiding the connecting piece.

According to some embodiments of the utility model, the fixing base is provided with a plurality of first positioning holes, the first positioning holes are symmetrically arranged, the test circuit board is provided with positioning through holes corresponding to the positions of the first positioning holes, and the positioning through holes are located on the connecting end.

According to some embodiments of the utility model, an avoidance through hole is formed in the plugging main body, a travel spring pin is arranged in the avoidance through hole, one end of the travel spring pin passes through the fixing seat to be abutted against the test circuit board, and the other end of the travel spring pin passes out of a port of the other end of the avoidance through hole.

According to some embodiments of the utility model, a second accommodating cavity is arranged on the second rear end face of the fixing seat, the second accommodating cavity is communicated with the avoidance through hole, the second accommodating cavity is located at one side of the test circuit board, a socket seat is arranged on the test circuit board and is electrically connected with the test circuit board, the second accommodating cavity is used for accommodating the socket seat, and one end of the travel spring pin abuts against the socket seat.

According to some embodiments of the utility model, one end of the stroke spring pin is movably sleeved with a sleeve, and the sleeve is positioned at one end of the stroke spring pin, which abuts against the pin holder.

According to some embodiments of the utility model, the plurality of test through holes may be arranged on one side of the plugging main body, and an aperture of an end of the test through hole near the third front end face is larger than an aperture of an end of the test through hole near the third rear end face.

According to some embodiments of the utility model, a guiding groove is disposed on one side of the third front end surface of the plugging main body, and the guiding groove is used for clamping a positioning block on the product to be tested.

According to some embodiments of the utility model, the plug body is provided with a guiding chamfer at an end near the third front face.

According to some embodiments of the utility model, the side face of the plug body is provided with a positioning groove extending from the third front end face towards the third rear end face.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a floating plug connector according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the floating plug connector of FIG. 1 in a separated state from the fixed plate;

FIG. 3 is an exploded schematic view of the floating plug connector shown in FIG. 2;

FIG. 4 is another perspective exploded view of the floating plug connector shown in FIG. 3;

fig. 5 is a schematic diagram of the floating plug connector shown in fig. 3, in which a latch is formed and mated with a ferrule.

Reference numerals:

a floating plate 10; a first front end face 11; a first accommodation chamber 111; a relief hole 112; a first rear end face 12;

a test circuit board 20; a connection end 21; an external connection terminal 22; a mounting through hole 23; a connecting member 24; positioning through holes 25; a pin holder 26;

a fixing base 30; a second front end face 31; a second rear end face 32; a connection hole 33; a first mounting hole 34; a first positioning hole 35; a second receiving chamber 36;

a plug body 40; a third front end surface 41; a test through hole 43; a test conductor 44; a guide groove 45; avoidance through hole 46; a stroke spring pin 47; a sleeve 471; a positioning groove 48; a guide chamfer 49;

a fixing plate 50; a fourth accommodating chamber 51; an elastic member 52.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 3, a floating plug connector according to an embodiment of the present utility model includes: the test board comprises a floating board 10, a test circuit board 20, a fixed seat 30, a plug main body 40 and a fixed plate 50. The floating plate 10 includes a first front end surface 11 and a first rear end surface 12, the first front end surface 11 and the first rear end surface 12 being disposed on opposite sides of the floating plate 10, i.e., on the front and rear sides as shown, the first front end surface 11 being located on the front side as shown, and the first rear end surface 12 being on the rear side as shown, and the same being true for the front end surface and the rear end surface below.

The first front end surface 11 is provided with a first accommodating cavity 111; the test circuit board 20 comprises a connecting end 21 and an external end 22, the connecting end 21 is connected with the external end 22, and the connecting end 21 is arranged in the first accommodating cavity 111; the fixing base 30 is detachably mounted on one side of the floating plate 10 and located on one side of the first front end surface 11, the fixing base 30 includes a second front end surface 31 and a second rear end surface 32, and a part of the second rear end surface 32 of the fixing base 30 covers the first accommodating cavity 111, so it is conceivable that the fixing base 30 clamps the connection end 21 of the test circuit board 20 in the first accommodating cavity 111 of the floating plate 10, and the size can be reduced to make the connector structure more compact. The second front end surface 31 and the second rear end surface 32 are oppositely disposed at two sides of the fixing seat 30, a plurality of connection holes 33 are disposed in the fixing seat 30, and the connection holes 33 penetrate through the second front end surface 31 and the second rear end surface 32.

The plugging main body 40 is arranged on the fixing seat 30 and is located at one side of the second front end face 31, the plugging main body 40 comprises a third front end face 41 and a third rear end face (not shown in the figure), the third front end face 41 and the third rear end face are oppositely arranged at two sides of the plugging main body 40, the third rear end face is connected with the second front end face 31, the third front end face 41 is abutted against a product to be tested, a plurality of test through holes 43 are arranged in the plugging main body 40, the test through holes 43 are in one-to-one correspondence with the connecting holes 33, test conductors 44 are penetrated in the test through holes 43, one end (the rear side direction in the figure) of each test conductor 44 can be abutted against the test circuit board 20 through the connecting holes 33, the other end (the front side direction in the figure) of each test conductor 44 is close to the port of the other end of each test through hole 43, and when the plugging main body 40 is plugged into the test port of the product to be tested, the terminals in the test ports can be inserted into the test through holes 43 to be in the test through holes to be in contact with the test conductors 44.

One side of the fixed plate 50 is provided with a plurality of fourth accommodating cavities 51, elastic pieces 52 are accommodated in the fourth accommodating cavities 51, the floating plate 10 is movably arranged on the fixed plate 50 and is positioned on one side provided with the fourth accommodating cavities 51, one end of each elastic piece 52 is abutted against the fixed plate 50, and the other end of each elastic piece 52 is abutted against the first rear end face 12.

Specifically, after the fixing plate 50 is fixed on the desktop, after the floating plate 10 is connected with the fixing plate 50 through the elastic member 52, so that the floating plate 10 is in floating connection with the fixing plate 50, and meanwhile, the plugging main body 40 is detachably mounted on the floating plate 10 through the fixing seat 30, so that the plugging main body 40 can be floatingly mounted on the fixing plate 50 through the elastic member 52 between the floating plate 10 and the fixing plate 50, namely, the plugging main body 40 is in floating connection with the fixing plate 50, so that when the plugging main body 40 is plugged into a test port of a product to be tested, the test conductor 44 on the inner side of the plugging main body 40 can be better contacted with a terminal in the product to be tested through the elastic effect of the elastic member 52, and thus, the test conductor 44 can be prevented from being stressed by lateral pressure; meanwhile, through the specific movement between the floating plate 10 and the fixed plate 50, the situation that the gap between the plugging main body 40 and the product to be tested is too small or even no gap exists after the product to be tested is plugged. In addition, it is also conceivable that the elastic cooperation of the plugging main body 40 and the fixing plate 50 makes the plugging main body 40 have a floating effect, and if the test port of the product to be tested is offset, during plugging, hard connection is not generated through the elastic action of the elastic member 52, so that the plugging main body 40 is in a floating state.

It should be noted that, the side surface of the plugging main body 40 may be provided with a positioning groove 48, the positioning groove 48 extends from the third front end surface 41 toward the third rear end surface, the positioning groove 48 may be disposed on one or both side surfaces of the plugging main body 40, and a plugging post (not shown in the figure) matching the positioning groove 48 in shape is disposed at a position corresponding to the test port of the product to be tested, so as to be plugged into the positioning groove 48. The positioning groove 48 can facilitate the technician to distinguish the plugging angle or the plugging direction parallel to the port of the product to be tested during the connection process, so as to prevent the connector from being damaged due to incorrect plugging.

It should be further noted that, the test circuit board 20 adopted by the connector is highly integrated with signal wiring, so that the labor intensity of manual wire bonding by personnel is reduced, the wire bonding error can be prevented, and meanwhile, the wiring of the test circuit board 20 can better shield and protect electronic signals, prevent the signals from being interfered, and ensure the electrical characteristics of the signals. In addition, the plugging main body 40 of the connector can be made of wear-resistant engineering plastic materials and has a self-lubricating function, so that friction between the plugging main body 40 and a test port of a product to be tested can be reduced, and the butt joint of the product can be better ensured not to be damaged.

Referring to fig. 3 to 4, in some embodiments of the present utility model, the fixing base 30 is provided with two first mounting holes 34, the two first mounting holes 34 are symmetrically arranged, the test circuit board 20 is provided with mounting through holes 23 corresponding to the positions of the first mounting holes 34, the mounting through holes 23 are located on the connecting end 21, the test circuit board 20 is detachably connected with the fixing base 30 through the connecting piece 24, the floating board 10 is provided with an avoidance hole 112, the avoidance hole 112 is located in the first accommodating cavity 111, and the avoidance hole 112 is used for avoiding the connecting piece 24.

Specifically, the connection end 21 on the test circuit board 20 is fastened on the second rear end surface 32 of the fixing base 30 through the connection piece 24, so that the front side surface of the connection end 21 is tightly attached to the second rear end surface 32 of the fixing base 30, and the test conductor 44 is convenient to contact with the contact point on the connection end 21. In order to stabilize the test conductor 44 against the test circuit board 20, the connector 24 may be a rivet, screw, or other fastener. It is also conceivable that the relief hole 112 can be used to accommodate a connection on the protruding side of 24, so that the front side of the test circuit board 20 can also be fitted in the cavity wall of the first receiving cavity 111, so that the connector is more compact.

It should be noted that, the two first mounting holes 34 are symmetrically disposed, that is, symmetrically distributed with the center of the fixing base 30 as a symmetry center, and the connecting ends 21 can be tightly fixed on the second rear end surface 32 of the fixing base 30 by the two connecting pieces 24, so that the test conductors 44 can better contact with the test circuit board 20.

Similarly, before the test circuit board is mounted, referring to fig. 3 to 4, in some embodiments of the present utility model, the fixing base 30 is provided with two first positioning holes 35, the two first positioning holes 35 are symmetrically arranged, the test circuit board 20 is provided with positioning through holes 25 corresponding to the positions of the first positioning holes 35, and the positioning through holes 25 are located on the connection end 21. The positioning pins are assembled in the first positioning holes 35, and then the positioning through holes 25 of the test circuit board 20 can be sleeved on the positioning pins, so that the test circuit board 20 is positioned.

Referring to fig. 2 to 4, in some embodiments of the present utility model, an avoidance through hole 46 is provided in the socket body 40, a travel spring pin 47 is provided in the avoidance through hole 46, one end of the travel spring pin 47 passes through the fixing seat 30 to abut against the test circuit board 20, and the other end of the travel spring pin 47 passes through a port at the other end of the avoidance through hole 46. The second rear end face 32 of the fixing seat 30 is provided with a second accommodating cavity 36, the second accommodating cavity 36 is communicated with the avoidance through hole 46, the second accommodating cavity 36 is located on one side of the test circuit board 20, the test circuit board 20 is provided with a plug pin seat 26, the plug pin seat 26 is electrically connected with the test circuit board 20, the second accommodating cavity 36 is used for accommodating the plug pin seat 26, and one end of the travel spring pin 47 is abutted against the plug pin seat 26.

Specifically, a pin holder 26 is disposed on the front side of the test circuit board 20, the pin holder 26 is electrically connected to the test circuit board 20, a second accommodating cavity 36 is formed at a position corresponding to the fixing seat 30 for accommodating the pin holder 26, one end (the rear end in the drawing) of the stroke spring pin 47 passes through the fixing seat 30 to abut against the pin holder 26 of the test circuit board 20, and the other end (the front end in the drawing) of the stroke spring pin 47 passes through a port of the other end of the avoidance through hole 46. When the plug-in main body 40 is plugged in the test port of the product to be tested, the terminal in the test port can be inserted into the test through hole 43 to be abutted against the internal stroke spring pin 47, so that the spring on the stroke spring pin 47 is pressed backwards, the rear end of the stroke spring pin 47 is abutted against the plug pin seat 26, and stable electric connection can be established by means of the elastic action of the spring, so that signal test and measurement can be performed; in addition, the movable portion of the trip spring pin 47 may provide mechanical support to ensure stability of the test circuit board 20 during testing.

Referring to fig. 3 to 5, in some embodiments of the present utility model, one end of the travel pin 47 is movably sleeved with a sleeve 471, and the sleeve 471 is located at one end of the travel pin 47 abutting against the pin holder 26. The sleeve 471 plays a guiding role to prevent the spring pin 47 from being unable to contact with the socket 26 and thus from being in poor contact.

Referring to fig. 1, in some embodiments of the present utility model, a plurality of test through holes 43 may be arranged at one side of the socket body 40, and an end of the test through holes 43 near the third front end surface 41 has a larger aperture than an end of the test through holes 43 near the third rear end surface. The test conductors 44 are disposed in the plurality of test through holes 43 as required, so that the applicability of the connector can be improved, and the connector can be used for testing electronic products with different connection requirements and test requirements.

Referring to fig. 1, in some embodiments of the present utility model, a guide groove 45 is provided on one side of the third front end surface 41 of the socket body 40, and the guide groove 45 is used for clamping a positioning block (not shown in the figure) on a product to be tested. The guide groove 45 is a hollow which is concave, and the shape of the guide groove is consistent with that of a positioning block on a port of a product to be tested.

Referring to fig. 1, in some embodiments of the utility model, the plug body 40 is provided with a guide chamfer 49 at an end proximate to the third front face 41. After the guide chamfer correction of the third front end surface 41, hard connection is not generated during plugging, and the position of the plugging main body 40 can be corrected.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. A floating plug connector, comprising:

the floating plate comprises a first front end face and a first rear end face, the first front end face and the first rear end face are oppositely arranged on two sides of the floating plate, and a first accommodating cavity is formed in the first front end face;

the test circuit board comprises a connecting end and an external end, wherein the connecting end is connected with the external end, and the connecting end is arranged in the first accommodating cavity;

the fixing seat is detachably arranged on one side of the floating plate and positioned on one side of the first front end face, the fixing seat comprises a second front end face and a second rear end face, part of the second rear end face of the fixing seat covers the first accommodating cavity, the second front end face and the second rear end face are oppositely arranged on two sides of the fixing seat, a plurality of connecting holes are formed in the fixing seat, and the connecting holes penetrate through the second front end face and the second rear end face;

the plug-in main body is arranged on the fixing seat and is positioned on one side of the second front end face, the plug-in main body comprises a third front end face and a third rear end face, the third front end face and the third rear end face are oppositely arranged on two sides of the plug-in main body, the third rear end face is connected with the second front end face, the third front end face is abutted with a product to be tested, a plurality of test through holes are arranged in the plug-in main body, the test through holes are in one-to-one correspondence with the positions of the connecting holes, test conductors penetrate through the test through holes, one ends of the test conductors penetrate through the connecting holes and are abutted on the test circuit board, and the other ends of the test conductors are close to the ports of the other ends of the test through holes; and

the fixed plate, one side of fixed plate is provided with a plurality of fourth accommodation chamber, holding elastic component in the fourth accommodation chamber, the floating plate movably installs on the fixed plate and be located the one side that is provided with the fourth accommodation chamber, the one end butt of elastic component the fixed plate, the other end butt of elastic component the first rear end face.

2. The floating plug connector according to claim 1, wherein the fixing base is provided with a plurality of first mounting holes, the first mounting holes are symmetrically arranged, the test circuit board is provided with mounting through holes corresponding to the first mounting holes in position, the mounting through holes are located on the connecting end, and the test circuit board is detachably connected with the fixing base through a connecting piece.

3. The floating plug connector according to claim 1, wherein the fixing base is provided with a plurality of first positioning holes, the first positioning holes are symmetrically arranged, the test circuit board is provided with positioning through holes corresponding to the first positioning holes in position, and the positioning through holes are located on the connecting end.

4. The floating plug connector according to claim 1, wherein an avoidance through hole is formed in the plug body, a travel spring pin is arranged in the avoidance through hole, one end of the travel spring pin passes through the fixing seat to be abutted against the test circuit board, and the other end of the travel spring pin passes out of a port of the other end of the avoidance through hole.

5. The floating plug connector according to claim 4, wherein a second accommodating cavity is disposed on the second rear end face of the fixing seat, the second accommodating cavity is communicated with the avoidance through hole, the second accommodating cavity is located at one side of the test circuit board, a plug pin seat is disposed on the test circuit board and is electrically connected with the test circuit board, the second accommodating cavity is used for accommodating the plug pin seat, and one end of the travel spring pin abuts against the plug pin seat.

6. The floating plug connector of claim 5, wherein one end of said travel pin is movably sleeved with a sleeve, said sleeve being located at one end of said travel pin abutting said pin holder.

7. The floating plug connector according to claim 1, wherein a plurality of the test through holes are arrangeable on one side of the plug main body, and an aperture of an end of the test through hole near the third front end face is larger than an aperture of an end of the test through hole near the third rear end face.

8. The floating plug connector according to claim 1, wherein a guide groove is provided on the third front end face side of the plug main body, the guide groove being for clamping a positioning block on the product to be tested.

9. The floating plug connector according to claim 1, wherein an end of the plug body adjacent to the third front face is provided with a guide chamfer.

10. The floating plug connector according to claim 1, wherein the plug body is provided with a positioning groove on a side surface thereof, the positioning groove extending from the third front end face toward the third rear end face.