CN219874132U - Test terminal, test fixture and switching terminal - Google Patents
Test terminal, test fixture and switching terminal Download PDFInfo
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- CN219874132U CN219874132U CN202321272529.XU CN202321272529U CN219874132U CN 219874132 U CN219874132 U CN 219874132U CN 202321272529 U CN202321272529 U CN 202321272529U CN 219874132 U CN219874132 U CN 219874132U
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- test terminal
- lock catch
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- 238000012360 testing method Methods 0.000 title claims abstract description 141
- 238000003780 insertion Methods 0.000 claims abstract description 13
- 230000037431 insertion Effects 0.000 claims abstract description 13
- 238000012546 transfer Methods 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 9
- 210000001503 joint Anatomy 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model provides a test terminal, a test fixture and a transfer terminal, and relates to the technical field of power line transfer. The test terminal comprises a first terminal, wherein the first terminal is provided with a plug cavity; the grafting end of test terminal can peg graft in the grafting chamber, and test terminal is provided with first hasp, and along the direction of perpendicular to test terminal and first terminal grafting direction, first hasp can with the chamber wall butt in grafting chamber. The test terminal is inserted into the insertion cavity of the first terminal when in use, and the first lock catch is abutted against the cavity wall of the insertion cavity of the first terminal, so that the test terminal and the first terminal can be locked, and the test terminal can meet the test requirement of the power supply connecting wire switching terminal, is reliably connected with the first terminal, and can ensure that the test process is carried out smoothly.
Description
Technical Field
The utility model relates to the technical field of power line switching, in particular to a test terminal, a test fixture and a switching terminal.
Background
In order to reduce the cost and improve the assembly efficiency and the test efficiency, the switching mode of the power supply connecting wire outside the air conditioner is changed from the switching of using the terminal board to the switching of the terminal opposite-inserting, however, the original test fixture cannot be suitable for the switching terminal of the opposite-inserting structure, so a new test fixture must be designed.
Disclosure of Invention
The first objective of the present utility model is to provide a test terminal, which solves the technical problem that the test fixture in the prior art cannot be applied to the switching terminal of the opposite-plug structure.
The utility model provides a test terminal which is applied to a test transfer terminal, wherein the transfer terminal comprises a first terminal, and the first terminal is provided with a plug-in cavity; the test terminal is provided with a plug-in end which can be plugged in the plug-in cavity; the test terminal is provided with a first lock catch, and along the direction perpendicular to the insertion direction of the test terminal and the first terminal, the first lock catch can be abutted with the cavity wall of the insertion cavity.
The test terminal provided by the utility model has the following beneficial effects:
when the test terminal provided by the utility model is used, the plug end of the test terminal is plugged into the plug cavity of the first terminal of the power supply connecting wire switching terminal, and the first lock catch is abutted with the cavity wall of the plug cavity of the first terminal, so that the friction force between the abutting part and the cavity wall of the plug cavity can be utilized to prevent the test terminal from falling out of the plug cavity, namely the test terminal and the first terminal can be locked, and the test can be performed. That is, the test terminal provided by the utility model can meet the test requirement of the power supply connecting wire switching terminal, and the test terminal is reliably connected with the first terminal of the switching terminal, so that the smooth test process can be ensured.
Further, the test terminal has a housing, and the first lock catch includes an abutting portion, where the abutting portion is elastically disposed on the housing, and the elasticity is used to make the abutting portion abut against a cavity wall of the socket cavity. Under this kind of setting form, the elastic force makes the butt portion of first hasp and the chamber wall in first terminal grafting chamber remain inseparable butt all the time to can guarantee the connection reliability of test terminal and first terminal, and then can guarantee that the test goes on smoothly.
Further, the first lock catch comprises an elastic arm, the abutting part is arranged at one end of the elastic arm, and the other end of the elastic arm is fixedly connected with the shell through a connecting arm. That is, the elastic arm is fixedly suspended in the housing through the connecting arm, thereby pressing one end of the elastic arm away from the connecting arm in the direction of the housing, the elastic arm can be bent and deformed in the direction close to the housing, so that the test terminal is conveniently inserted into the plugging cavity of the first terminal, and the elastic arm is released, and the elastic force of the elastic arm away from the housing and returning to the original shape enables the abutting part of the test terminal to be tightly abutted with the cavity wall of the plugging cavity.
Further, the abutting portion is an abutting protrusion provided on the elastic arm. Under the setting form, the setting form of the abutting part is simple, and the elastic arm is convenient to integrally form.
Further, the free end of the elastic arm is further provided with a pressing part, and when the test terminal is inserted into the first terminal, the pressing part is located outside the insertion cavity. When the test terminal is inserted into the first terminal, the pressing part is pressed towards the direction of the shell, so that the elastic arm can deform towards the direction close to the shell, and the test terminal can be conveniently inserted into the insertion cavity of the first terminal; after the socket is inserted in place, the pressing part is loosened, and the elastic arm moves in the direction away from the shell to restore the original shape, so that the abutting part abuts against the cavity wall of the socket cavity, and the operation is very convenient.
Further, the first lock catch and the shell are integrally formed. So set up, the firm in connection of first hasp and casing is guaranteed, and moreover, spare part's quantity is few, and assembly step is also few.
Further, a probe is arranged in the shell of the test terminal and is used for being connected with the conductive locking piece of the first terminal; an elastic piece is further arranged in the shell, one end of the elastic piece is connected with the lead, and the other end of the elastic piece is in butt joint with the probe. The elastic force of the elastic piece can enable the probe to reliably contact with the conductive locking piece of the first terminal, so that the phenomena of virtual connection and the like are effectively avoided, and the smooth performance of the test can be guaranteed.
The second objective of the present utility model is to provide a testing tool, so as to solve the technical problem that the testing tool in the prior art cannot be suitable for the adaptor terminal of the opposite-plug structure.
The test fixture provided by the utility model comprises the test terminal. The test fixture has all the advantages of the test terminal, and therefore, the description is omitted herein.
The third objective of the present utility model is to provide a transfer terminal, so as to solve the technical problem that a test fixture in the prior art cannot be suitable for a transfer terminal with an opposite-plug structure.
The switching terminal comprises a first terminal, wherein the first terminal is provided with a plug-in cavity, the plug-in cavity can accommodate the plug-in end of the test terminal, and the cavity wall of the plug-in cavity can be abutted with the first lock catch of the test terminal. This switching terminal, its first terminal can use with test terminal cooperation to can solve the technical problem that current test fixture is not applicable to the switching terminal of inserting the structure.
Further, the switching terminal further comprises a second terminal, the second terminal is provided with a second lock catch, the second terminal can be inserted into the insertion cavity, and the second lock catch can be abutted to the cavity wall of the insertion cavity. So configured, a reliable connection between the second terminal and the first terminal is facilitated upon after-market installation.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a test terminal provided in an embodiment of the present utility model in a test scenario;
fig. 2 is a top view of a test terminal provided in an embodiment of the present utility model in a test scenario;
FIG. 3 is a view AA of FIG. 2;
fig. 4 is a schematic structural diagram of a test terminal according to an embodiment of the present utility model;
FIG. 5 is a top view of a test terminal according to an embodiment of the present utility model;
FIG. 6 is a BB view in FIG. 5;
fig. 7 is a first view of a first terminal of an adapter terminal according to an embodiment of the present utility model mounted on a fixing bracket;
fig. 8 is a second view of the first terminal of the adapter terminal according to the embodiment of the present utility model mounted on the fixing bracket.
Reference numerals illustrate:
010-test terminals; 020-a first terminal; 021-conductive locking piece; 030-a fixed bracket;
100-a housing; 200-a first lock catch; 210-a resilient arm; 211-an abutment; 212-a pressing part; 213-avoidance ramp; 220-connecting arms; 300-probe; 400-needle sleeve; 500-elastic members; 600-wire.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The present embodiment provides a test terminal 010, as shown in fig. 1 to 3, the test terminal 010 is applied to a test switching terminal, the switching terminal includes a first terminal 020, and the first terminal 020 is provided with a plug cavity; the test terminal 010 is provided with a plug-in end which can be plugged in the plug-in cavity; the test terminal 010 is provided with a first lock catch 200, and along the direction perpendicular to the plugging direction of the test terminal 010 and the first terminal 020, the first lock catch 200 can be abutted with the cavity wall of the plugging cavity.
The test terminal 010 provided in this embodiment, when in use, the plugging end of the test terminal 010 is plugged into the plugging cavity of the first terminal 020 of the power connection wire switching terminal, and the first lock catch 200 is made to be in butt joint with the cavity wall of the plugging cavity of the first terminal 020, so that friction force between the butt joint part 211 and the cavity wall of the plugging cavity can be utilized to prevent the test terminal 010 from falling out from the plugging cavity, namely, the test terminal 010 and the first terminal 020 can be locked, and thus, the test can be performed. That is, the test terminal 010 provided in this embodiment can meet the test requirement of the power connection line switching terminal, and the test terminal 010 is reliably connected with the first terminal 020 of the switching terminal, so that the test process can be ensured to be performed smoothly.
In addition, the test terminal 010 and the first terminal 020 are locked in a butt joint mode, so that the operation is more convenient and quick, the repeated plugging phenomenon between the test terminal 010 and the first terminal 020 is avoided, and the adverse effect of repeated plugging on connection between a power connection wire and the probe 300 can be effectively avoided.
Specifically, in the present embodiment, as shown in fig. 3 to 6, the test terminal 010 has a housing 100, the first lock catch 200 includes an abutting portion 211, and the abutting portion 211 is elastically disposed on the housing 100, and elastically used for abutting the abutting portion 211 against a cavity wall of the plugging cavity. In this arrangement, the abutting portion 211 of the first lock catch 200 and the cavity wall of the first terminal 020 plug-in cavity are always kept in tight abutting contact by the elastic force, so that the connection reliability of the test terminal 010 and the first terminal 020 can be ensured, and further, the smooth test can be ensured. After the test is finished, the elastic force is overcome, the abutting part 211 of the first lock catch 200 is separated from the cavity wall of the plug cavity, and then the test terminal 010 is pulled out of the plug cavity of the first terminal 020, so that the test is convenient and quick.
Specifically, in the present embodiment, as further shown in fig. 3 to 6, the first lock catch 200 includes an elastic arm 210, an abutting portion 211 is disposed at one end of the elastic arm 210, and the other end of the elastic arm 210 is fixedly connected to the housing 100 through a connecting arm 220. That is, the elastic arm 210 is suspended in the housing 100 by the connection arm 220, so that the elastic arm 210 is pressed toward the housing 100 to press the end of the elastic arm 210 away from the connection arm 220, the elastic arm 210 can be bent and deformed toward the direction close to the housing 100, the test terminal 010 is conveniently inserted into the insertion cavity of the first terminal 020, the elastic arm 210 is released, and the elastic force of the elastic arm 210 returning to the original shape away from the housing 100 enables the abutting portion 211 of the test terminal 010 to be abutted tightly against the cavity wall of the insertion cavity.
Of course, in other embodiments of the present utility model, the abutment portion 211 is not limited to be elastically provided to the housing 100 by the elastic arm 210, but may also take other arrangement forms, such as: the abutting portion 211 may be provided to the housing 100 by an elastic member such as a spring or a rubber block.
Specifically, in the present embodiment, as shown in fig. 3, 4 and 6, the abutment portion 211 is an abutment protrusion provided on the elastic arm 210. In this arrangement, the abutment portion 211 is provided in a simple manner, and is easily integrally formed with the elastic arm 210.
Specifically, in the present embodiment, as shown in fig. 2 to 6, the free end of the elastic arm 210 is further provided with a pressing portion 212, and when the test terminal 010 is plugged into the first terminal 020, the pressing portion 212 is located outside the plugging cavity. When the test terminal 010 is inserted into the first terminal 020, the pressing part 212 is pressed toward the direction of the housing 100, so that the elastic arm 210 can be deformed toward the direction approaching to the housing 100, and the test terminal 010 can be conveniently inserted into the insertion cavity of the first terminal 020; after the plugging in place, the pressing portion 212 is released, and the elastic arm 210 moves in a direction away from the housing 100 to restore the original shape, so that the abutting portion 211 abuts against the cavity wall of the plugging cavity, and the operation is very convenient.
Specifically, in the present embodiment, as shown in fig. 3 to 6, the plugging direction of the test terminal 010 and the first terminal 020 is a horizontal direction, and the first lock catch 200 is disposed on the upper side of the housing 100, so as to facilitate the pressing of the pressing portion 212 when the test terminal 010 is plugged. Of course, in other embodiments of the present utility model, the first lock catch 200 may be disposed on the left side or the right side of the housing 100. In addition, if the plugging direction of the test terminal 010 with the first terminal 020 is a vertical direction, the first locker 200 may be disposed at one of four sides of the case 100.
Specifically, in the present embodiment, as shown in fig. 3 and 6, the first lock catch 200 is integrally formed with the housing 100. So set up, the connection firmness of first hasp 200 and casing 100 is guaranteed, and moreover, spare part's quantity is few, and the assembly step is also few.
Specifically, in the embodiment, the material of the shell 100 is PA66, which has a higher melting point, and can maintain stronger strength and rigidity at a higher temperature, and still has hygroscopicity after molding.
Specifically, in this embodiment, as shown in fig. 4 and 6, the inner side of the connection between the elastic arm 210 and the connecting arm 220 is arc-shaped excessively, so that the stress concentration phenomenon at the connection between the elastic arm 210 and the connecting arm can be effectively avoided when the elastic arm 210 is deformed, so that the first lock catch 200 is not easy to break, and the service lives of the first lock catch 200 and the whole test terminal 010 can be prolonged.
Specifically, in the present embodiment, as shown in fig. 4 and 6, the connection portion between the connecting arm 220 and the housing 100 is also arc-shaped excessively, so that the stress concentration phenomenon at the connection portion between the two can be effectively avoided.
Specifically, in the present embodiment, a probe 300 is disposed in the housing 100 of the test terminal 010, and the probe 300 is used for connecting with the conductive locking piece 021 of the first terminal 020; an elastic member 500 is further provided in the housing 100, one end of the elastic member 500 is connected to the wire 600, and the other end abuts against the probe 300. So set up, the elastic force of elastic component 500 can make probe 300 and the conductive locking plate 021 of first terminal 020 reliably contact to effectively avoid the board vibrations to the conductive influence of switching and the phenomenon of striking sparks in the test process, guarantee going on smoothly of test.
Specifically, in the present embodiment, the elastic member 500 may be a compression spring.
Specifically, in the present embodiment, the probe 300 is made of nickel plating steel, however, in other embodiments of the present utility model, the material of the probe 300 is not limited thereto, as long as the test requirements can be satisfied.
More specifically, in the present embodiment, the probe 300 is a probe for an ICT (In Circuit Tester, in-line tester) test, that is, the test terminal 010 can be applied to an in-line tester to perform in-line test on a power supply connection line or the like.
Specifically, in this embodiment, as shown in fig. 6, the needle sheath 400 is fixedly disposed in the housing 100, the coil spring is disposed in the needle sheath 400, the head of the probe 300 extends out of the head of the needle sheath 400, but the tail is movably inserted into the needle sheath 400, so that the coil spring can apply an elastic force to the probe 300 to make reliable contact with the conductive locking piece 021 of the first terminal 020; the tail of the needle hub 400 is connected to the lead 600.
The embodiment also provides a test fixture, which comprises the test terminal 010. For example, the test fixture may be an on-line tester. When the test fixture is used, the test terminal 010 and the tested terminal are conveniently and rapidly connected and disconnected, the test fixture is plugged and unplugged, and in the test process, the first lock catch 200 of the test terminal 010 can reliably connect the test terminal 010 with the tested terminal, so that the test can be ensured to be carried out smoothly.
The embodiment also provides a switching terminal, including first terminal 020, first terminal 020 is provided with the grafting chamber, and the grafting chamber can hold the grafting end of foretell test terminal 010, and the chamber wall in grafting chamber can with test terminal 010's first hasp 200 butt. This switching terminal, its first terminal 020 can use with test terminal 010 cooperation to can solve the technical problem that current test fixture is not applicable to the switching terminal to the structure of inserting.
Specifically, in this embodiment, the switching terminal further includes a second terminal (not shown in the figure), where the second terminal is provided with a second lock catch, the second terminal can be plugged into the plugging cavity, and the second lock catch can be abutted with the cavity wall of the plugging cavity.
More specifically, the second latch on the second terminal is configured to conform to the configuration of the first latch 200 on the test terminal 010, and is configured to facilitate establishing a secure connection between the second terminal and the first terminal 020 during after-market installation.
As shown in fig. 1 to 3 and fig. 7 and 8, in the present embodiment, the first terminal 020 of the switching terminal is mounted to the fixing bracket 030, and the fixing bracket 030 may be mounted to an electric device such as an air conditioner, so that the first terminal 020 may be used to switch the power connection wire thereof. When the power-on test is performed, the test terminal 010 is inserted into the first terminal 020, and when the power-on test is performed after the power-on test is performed, the second terminal is inserted into the first terminal 020.
Finally, it is further noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A test terminal, characterized in that it is applied to a test transit terminal, said transit terminal comprising a first terminal (020), said first terminal (020) being provided with a plug cavity; the test terminal (010) is provided with a plug-in end, and the plug-in end can be plugged in the plug-in cavity; the test terminal (010) is provided with a first lock catch (200), and along the direction perpendicular to the inserting direction of the test terminal (010) and the first terminal (020), the first lock catch (200) can be abutted with the cavity wall of the inserting cavity.
2. The test terminal according to claim 1, wherein the test terminal (010) has a housing (100), the first lock catch (200) includes an abutting portion (211), the abutting portion (211) is elastically provided to the housing (100), and the elasticity is used for abutting the abutting portion (211) with a cavity wall of the plugging cavity.
3. The test terminal according to claim 2, wherein the first lock catch (200) includes an elastic arm (210), the abutting portion (211) is disposed at one end of the elastic arm (210), and the other end of the elastic arm (210) is fixedly connected with the housing (100) through a connecting arm (220).
4. A test terminal according to claim 3, wherein the abutment portion (211) is an abutment protrusion provided to the resilient arm (210).
5. A test terminal according to claim 3, wherein the free end of the resilient arm (210) is further provided with a pressing portion (212), the pressing portion (212) being located outside the plugging cavity when the test terminal (010) is plugged into the first terminal (020).
6. The test terminal of any of claims 3-5, wherein the first latch (200) is integrally formed with the housing (100).
7. The test terminal according to claim 1, characterized in that a probe (300) is provided in the housing (100) of the test terminal (010), the probe (300) being adapted to be connected with a conductive locking tab (021) of the first terminal (020); an elastic piece (500) is further arranged in the shell (100), one end of the elastic piece (500) is connected with the lead (600), and the other end of the elastic piece is abutted to the probe (300).
8. A test fixture comprising a test terminal (010) according to any of claims 1-7.
9. A transfer terminal, characterized by comprising a first terminal (020), wherein the first terminal (020) is provided with a socket cavity, the socket cavity can accommodate a socket end of a test terminal (010) according to any one of claims 1-7, and a cavity wall of the socket cavity can be abutted with a first lock catch (200) of the test terminal (010).
10. The transit terminal of claim 9, further comprising a second terminal provided with a second lock catch, the second terminal being insertable into the insertion cavity and the second lock catch being abuttable against a cavity wall of the insertion cavity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321272529.XU CN219874132U (en) | 2023-05-22 | 2023-05-22 | Test terminal, test fixture and switching terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321272529.XU CN219874132U (en) | 2023-05-22 | 2023-05-22 | Test terminal, test fixture and switching terminal |
Publications (1)
Publication Number | Publication Date |
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CN219874132U true CN219874132U (en) | 2023-10-20 |
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Application Number | Title | Priority Date | Filing Date |
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CN202321272529.XU Active CN219874132U (en) | 2023-05-22 | 2023-05-22 | Test terminal, test fixture and switching terminal |
Country Status (1)
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CN (1) | CN219874132U (en) |
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2023
- 2023-05-22 CN CN202321272529.XU patent/CN219874132U/en active Active
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