CN210326290U

CN210326290U - Cable test adapter

Info

Publication number: CN210326290U
Application number: CN201921788591.8U
Authority: CN
Inventors: 何春林; 唐祝伟
Original assignee: Chengdu Weiming Technology Co Ltd
Current assignee: Chengdu Weiming Technology Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-04-14
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a cable test adapter, including the patch panel in transfer box and the transfer box, a plurality of binding post that are used for connecting the cable to be tested, a plurality of electric connectors that are used for connecting the cable tester, binding post and electric connector all are connected with the patch panel through the connecting wire, are equipped with on the transfer box and place the hole and be used for placing binding post and electric connector; a plurality of winding rolls are rotatably connected in the transfer box through a support, the number of the winding rolls is the same as that of the connecting wires, the winding rolls are in one-to-one correspondence with the connecting wires, the connecting wires are wound on the winding rolls, a volute spiral spring is arranged between the winding rolls and the support, a self-locking groove is arranged on the outer roll surface of each winding roll, a corresponding semicircular self-locking lug is arranged on the support, one groove side of each self-locking groove is a vertical groove side, and the other groove side of each self-; when the winding roll is paying off, the self-locking lug firstly passes through the vertical groove edge of the same self-locking groove and then passes through the slope groove edge; when the winding roll is used for winding, the self-locking convex block firstly passes through the slope groove edge of the same self-locking groove and then passes through the vertical groove edge.

Description

Cable test adapter

Technical Field

The utility model relates to a cable test technical field, concretely relates to cable test adapter.

Background

The automatic cable tester is a cable tester which is relatively universal at present and mainly tests multi-core cables. The universal meter, the insulation tester, the pressure resistance tester and the like are integrated on a test box of the existing automatic cable tester, and the integrated instruments on the test box are provided with corresponding interfaces for connecting cables. The instrument is connected with the instrument end matrix switch, two ends of a core wire of a tested cable are connected with the cable end matrix switch through the adapter, and the cable end matrix switch is connected with the instrument end matrix switch, so that different closed loops are formed through different matrix switches, and different tests are carried out on different core wires.

In cable testing, the insulation layer of the cable is generally stripped to expose the metal core wire inside, and therefore, an adapter is generally required to connect the cable with a tester. The existing adapter generally comprises a plurality of connecting wires, one end of each connecting wire is a wiring terminal, the other end of each connecting wire is connected to a wiring bar, the wiring bar is simultaneously connected to an electric connector through the connecting wires, and the electric connector is connected with the cable terminal matrix switch.

Among the prior art, the problem of cable test adapter lies in: in order to be convenient for being connected with a cable to be tested and a tester, connecting wires of a common wiring terminal and an electric connector have certain length, and certainly, the wiring terminals of the cable test adapter are generally multiple (32, 64 and 120), so that the length of the connecting wires cannot be too long, and the problem of poor storage is avoided. And since the number of the connection terminals is too large, the connection wires of the connection terminals are easily entangled. Meanwhile, the length of the connecting line of the existing adapter is controlled for good storage, so that the use scene is limited to a certain extent, for example, if a certain distance exists between a cable to be tested and a tester due to environmental reasons, and the length of the connecting line of the adapter is not enough, the adapter is required to be increased again, so that the connecting length is increased, and the adapter is very troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the problem that prior art exists, provide a cable test adapter, the take-up reel that is convenient for receive and release through the increase increases connecting wire length, and the take-up reel design has automatic winding structure for the connecting wire is convenient for accomodate, is difficult for the hank.

Compared with the prior art, the utility model, following beneficial effect has:

a cable test adapter comprises an adapter box, a wiring bar in the adapter box, a plurality of wiring terminals for connecting cables to be tested, and a plurality of electric connectors for connecting a cable tester, wherein the wiring terminals and the electric connectors are connected with the wiring bar through connecting wires;

a plurality of winding rolls are rotatably connected in the transfer box through a support, the number of the winding rolls is the same as that of the connecting wires, the winding rolls are in one-to-one correspondence with the connecting wires, the connecting wires are wound on the winding rolls, a volute spiral spring is arranged between the winding rolls and the support, a self-locking groove is arranged on the outer roll surface of each winding roll, a corresponding semicircular self-locking lug is arranged on the support, one groove side of each self-locking groove is a vertical groove side, and the other groove side of each self-; when the winding roll is paying off, the self-locking lug firstly passes through the vertical groove edge of the same self-locking groove and then passes through the slope groove edge; when the winding roll is used for winding, the self-locking convex block firstly passes through the slope groove edge of the same self-locking groove and then passes through the vertical groove edge.

Preferably, the front end of the connecting wire is fixed to the connecting terminal/electrical connector, the rear end of the connecting wire is connected to the terminal block, the middle of the connecting wire has a fixing point, the fixing point is a fixed connection point of the connecting wire and the winding roll, and the connecting wire behind the fixing point is wound on the winding roll.

As a preferable mode, a soft cushion is arranged in the placing hole.

Drawings

Fig. 1 is a back view of the present invention.

Fig. 2 is a schematic structural view of the winding roll for winding the connecting wire of the connecting terminal of the present invention.

Fig. 3 is a perspective view of the winding roll.

Fig. 4 (a) is an effect diagram of the close contact between the self-locking protrusion and the plane area of the winding roll without the self-locking groove, and fig. 4 (b) is an effect diagram of the self-locking protrusion and the winding roll located in the self-locking groove.

Wherein the reference numerals are as follows: 1-transfer box, 2-electric connector, 3-connecting wire, 4-bracket, 5-winding reel, 6-volute spring, 7-self-locking projection, 8-self-locking groove and 9-spring.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Examples

As shown in figures 1-4, the cable test adapter comprises an adapter box 1, wherein a plurality of placing holes are formed in one side of the adapter box 1, a circle of soft cushion is arranged in each placing hole, one part of a wiring terminal is located in the adapter box 1 due to the size of each placing hole, the other part of the wiring terminal is located outside the adapter box 1, and the wiring terminal is convenient for being pulled out by hands and connected with a cable. The soft cushion is used for buffering and protecting the wiring terminal.

The other side of the patch cord is provided with placing holes matched with the number of the electric connectors 2, and the size of the placing holes enables one part of the electric connectors 2 to be located outside the patch box 1 and the other part of the electric connectors 2 to be located inside the patch box 1, so that the electric connectors 2 can be conveniently pulled out to be connected with a cable tester. The placing hole is also provided with the soft cushion used for buffering protection. The electrical connector 2 has multiple cores, and the connection wires 3 of the electrical connector 2 also have multiple cores. The number of the electrical connectors 2 and the number of the connection terminals are regarded as specific, and the present embodiment is not limited as long as the number of the core wires satisfying all electrical connections matches the number of the connection terminals.

Be equipped with the row of connecting in the keysets 1, on the row of connecting was received to binding post's connecting wire 3, on the row of connecting was also received to electric connector 2's connecting wire 3 for be connected between binding post and the electric connector 2.

It is worth particular emphasizing that, in the present embodiment, a plurality of winding reels 5 are rotatably disposed in the adaptor box 1, and the winding reels 5 are provided with an automatic winding structure. Accurate saying so, each connecting wire 3 all corresponds a take-up reel 5 in the transfer box 1 for 3 windings of connecting wire that binding post and electric connector 2 are connected are equipped with the automatic winding structure on the take-up reel 5, make connecting wire 3 accomodate the convenient difficult hank, and because 3 automatic rollings of connecting wire, do not hank, consequently, 3 lengths of connecting wire can become the length, and the winding is on take-up reel 5, follow the connecting wire 3 of pulling out different length in the transfer box 1 according to actual need.

Be equipped with support 4 in the keysets 1, take-up reel 5 cup joints on support 4 for take-up reel 5 is rotatable, and support 4's structure can be multiple, as long as can realize that take-up reel 5 can not take place the structure of other displacements except rotating.

The winding roll 5 comprises an integrally formed ring plate and circular limiting plates on two sides of the ring plate, the connecting wire 3 is wound on the ring plate, the circular limiting plates are coaxial with the ring plate, the diameter of the connecting wire is larger, the connecting wire 3 is not separated from two sides of the ring plate, and the winding roll is of a very conventional winding roll 5 structure.

The automatic winding structure comprises a volute spiral spring 6, a self-locking groove 8 and a self-locking lug 7. On the take-up reel 5 cup jointed support 4, set up coaxial circular volute spiral spring 6 groove on take-up reel 5, volute spiral spring 6 is located volute spiral spring 6 inslot, because coaxial setting, consequently, and also cup joint on support 4, volute spiral spring 6 the inner and support 4 fixed connection, outer end and take-up reel 5 fixed connection for when take-up reel 5 rotated, can cause volute spiral spring 6 to form, form the resilience force.

The self-locking groove 8 is arranged on one outer disc surface (namely any circular limiting plate) of the winding roll 5, in the embodiment, the self-locking groove 8 is trapezoidal (the smaller bottom surface of the trapezoid is the bottom of the self-locking groove 8, namely one groove side of the self-locking groove 8 is a slope, and the other groove side is vertical), the self-locking bump 7 is installed on the support 4 through a spring 9 and clings to one surface of the winding roll 5 provided with the self-locking groove 8, the self-locking bump 7 is semicircular, the position of the self-locking bump corresponds to the self-locking groove 8, namely when the winding roll 5 rotates to a certain position (defined as self-locking position below the position), the self-locking bump 7 is positioned in the self-locking groove 8.

In this embodiment, the two self-locking grooves 8 on the winding roll 5 are preferably evenly distributed on the same outer disk surface. In this embodiment, the unwinding direction of the winding roll 5 is defined as the forward rotation of the winding roll 5, and the winding direction of the winding roll 5 is defined as the reverse rotation of the winding roll 5. In this embodiment, for the better reverse winding of the winding roll 5, the height of the vertical groove edge of the self-locking groove 8 is the same as the radius of the semicircular protrusion.

When a user applies pulling force to elongate the connecting wire 3 to enable the winding roll 5 to rotate forwards, a plane area without the self-locking groove 8 on the winding roll 5 presses the self-locking bump 7 tightly attached to the plane area, the spring 9 connected with the self-locking bump 7 is compressed, the self-locking bump 7 passes through the self-locking groove 8 along with the rotation of the winding roll 5, the self-locking bump 7 firstly passes through the vertical groove edge of the self-locking groove 8 and then enters the self-locking groove 8, the spring 9 connected with the self-locking bump 7 returns, the self-locking bump 7 is positioned in the self-locking groove 8, the self-locking bump 7 slides to an area without a groove plane on the winding roll 5 along the slope groove edge of the self-locking groove 8 along with the continuous rotation of the winding roll 5, so that the self-locking bump 7 does not affect the paying-off forward rotation of the winding roll 5, when the connecting wire 3 is extended to a proper length, the user slowly, the lug passes through the slope groove edge of the self-locking groove 8 first) and the connecting wire 3 is slowly rewound for a short time, the self-locking lug 7 slides back into the self-locking groove 8 from the slope groove edge, the self-locking groove 8 edge cannot be separated from the self-locking lug 7 due to the low gear of the vertical groove edge of the self-locking groove 8, the winding reel 5 cannot continue to rotate, the pulled-out length of the connecting wire 3 is fixed, and a user connects the connecting terminal/electric connector 2 connected with the connecting wire 3 with a corresponding part to be connected.

After the wiring terminal/electric connector 2 is pulled out from the component, a user slightly lengthens the connecting wire 3 firstly, so that the winding roll 5 rotates forwards, the self-locking lug 7 slides out of the self-locking groove 8 and then releases hands immediately, the resilience force of the coil spring drives the winding roll 5 to rotate quickly, under the action of the quick action force, the semicircular lug enters the self-locking groove 8 along the slope groove edge of the self-locking groove 8 and then can overcome the blocking of the vertical groove edge immediately, the semicircular self-locking lug 7 quickly passes through the vertical groove edge of the self-locking groove 8, so that the rotation of the winding roll 5 is not influenced, the winding roll 5 is recovered, so that the wiring terminal and the electric connector 2 return to the position, and finally the winding roll returns to the placing hole of the transfer box.

Through above-mentioned structure and description, just can know that this embodiment can realize that binding post and electric connector 2's connecting wire 3 lengthens fast to after lengthening suitable length, binding post and electric connector 2's connecting wire 3 length is fixed, when not using, again draws binding post or electric connector 2, connecting wire 3 can automatic rolling, convenient to use accomodates the convenience, and is difficult for kinking, can suitably prolong connecting wire 3's length, has solved prior art's problem.

Specifically, the front end of the connecting wire 3 of the connecting terminal is fixed with the connecting terminal, the rear end of the connecting wire is connected to the connecting bar, the middle of the connecting wire 3 is provided with a fixed point, the fixed point is a fixed connection position of the connecting wire 3 and the winding roll 5 through bonding or other fixed structures, the connecting wire 3 behind the fixed point is wound on the winding roll 5, and the connecting wire 3 at the rear part of the fixed point is a part connected with the connecting terminal. The connection lines 3 of the electrical connector 2 are also as described above.

According to the above embodiment, alright realize the utility model discloses well. It is worth to say that, on the premise of the above structural design, in order to solve the same technical problem, even if some insubstantial changes or retouching are made in the utility model, the essence of the adopted technical scheme is still the same as the utility model, so it should be in the protection scope of the utility model.

Claims

1. A cable test adapter comprises a wiring row, a plurality of wiring terminals for connecting cables to be tested and a plurality of electric connectors for connecting a cable tester, wherein the wiring terminals and the electric connectors are connected with the wiring row through connecting wires;

2. A cable test adaptor according to claim 1 wherein the front end of the connecting wire is secured to the terminal/connector and the rear end is connected to the terminal block, the connecting wire having a fixed point in the middle thereof, the fixed point being the fixed connection of the connecting wire to the reel, the connecting wire being wound around the reel after the fixed point.

3. A cable testing adapter according to claim 2 wherein the placement hole is upholstered.