CN218788562U - Voltage probe for electrical test - Google Patents

Abstract

The utility model discloses a voltage probe of electrical test, including probe, connection port to and the transmission line of being connected probe and connection port, be provided with coupling mechanism between probe and the transmission line, this coupling mechanism includes: the limiting component is formed by clamping and connecting a limiting part and a connecting part, wherein the limiting part is fixed on the inner wall of the connector, and the connecting part is arranged at the bottom of the probe; a conductive column is fixed on the bottom end face of the probe, a propping piece is sleeved on the conductive column, a connecting seat is also fixed inside the connecting head, a hole for the conductive column to be clamped is formed in the top of the connecting seat, and the propping piece props against the inner wall of the hole; through the coupling mechanism who designs, realized the fixed of multiple mode, can guarantee in long-term frequent change, equally can not appear not hard up possibility, whole coupling mechanism is very simple simultaneously, and convenient processing has higher practicality, has perfected the not enough of current probe in the installation.

Description

Voltage probe for electrical test

Technical Field

The utility model belongs to the technical field of electrical test, concretely relates to voltage probe of electrical test.

Background

The voltage probe can be widely used in research and development, debugging or maintenance work of a switching power supply, a motor driver, a new energy inverter, a frequency converter, aviation voltage detection, a lighting power supply, variable frequency household appliances, other electrical power devices and the like, and the problem that whether the voltage of equipment is unstable or not is judged by detecting the voltage.

Current voltage probe is in the installation to the probe, generally can realize fixedly through simple block, nevertheless under long-term frequent use, probably causes the not hard up phenomenon to appear in junction, leads to the shakiness to voltage detection, and current common processing mode is to change the coupling part, but this kind of operation can increase the maintenance cost, and maintains the degree of difficulty greatly, therefore has certain limitation in the in-service use, has the space that can improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrical test's voltage probe to solve the connection structure of the current probe that provides among the above-mentioned background art and not adapt to frequent grafting for a long time, cause the problem of damage easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a voltage probe of electrical test, includes probe, connection port to and the transmission line of being connected probe and connection port, be provided with coupling mechanism between probe and the transmission line, this coupling mechanism includes:

the limiting component is formed by clamping and connecting a limiting part and a connecting part, wherein the limiting part is fixed on the inner wall of the connector, and the connecting part is arranged at the bottom of the probe;

be fixed with on the bottom face of probe and lead electrical pillar, it is equipped with the piece of keeping silent to lead the cover on the electrical pillar the inside of connector still is fixed with the connecting seat the hole that confession was led electrical pillar card to go into is seted up at the top of connecting seat, the inner wall in piece and hole offsets.

Preferably, the limiting part is a clamping column, the connecting part comprises a moving groove formed in the bottom end face of the probe, and the connecting part further comprises a rubber ring sleeved outside the probe.

Preferably, the middle part of the horizontal position of the moving groove is also provided with an integrated limiting bulge, and the limiting bulge is propped against the clamping column.

Preferably, the abutting piece is a drum spring, and the drum spring and the conductive column are fixed through spot welding.

Preferably, the surface of transmission line still overlaps and is equipped with the clamp ring, still be connected with the ring of accomodating of integral type on the clamp ring, the internal diameter of accomodating the ring is greater than the internal diameter of clamp ring.

Preferably, the inner walls of the containing ring and the clamping ring are provided with adjusting grooves, and the adjusting grooves are triangular.

Preferably, the connection port is plugged with external equipment, and the connection port is an aviation plug.

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

through the coupling mechanism who designs, realized the fixed of multiple mode, can guarantee in long-term frequent change, equally can not appear not hard up possibility, whole coupling mechanism is very simple simultaneously, and convenient processing has higher practicality, has perfected the not enough of current probe in the installation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of region A of FIG. 1 according to the present invention;

fig. 3 is a front view of the storage ring and the clamp ring of the present invention.

In the figure: 100. a probe; 101. a rubber ring; 102. a conductive post; 103. a drum spring; 104. a moving groove; 104a and a limiting bulge; 200. a connection port; 300. a transmission line; 301. a clamping ring; 302. a receiving ring; 303. a connector; 303a, a connecting seat; 303b, a clamping column; 304. and adjusting the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a voltage probe for electrical testing, comprising a probe head 100, a connection port 200, and a transmission line 300 connecting the probe head 100 with the connection port 200, a connection mechanism being provided between the probe head 100 and the transmission line 300, the connection mechanism comprising:

the limiting component is formed by clamping and connecting a limiting part and a connecting part, wherein the limiting part is fixed on the inner wall of the connector 303, the connecting part is arranged at the bottom of the probe 100, the probe 100 is inserted towards the connector 303 during installation, and the limiting part can be clamped into the inner side of the clamping part at the moment, so that connection is realized;

be fixed with on probe 100's the bottom face and be used for realizing electrically conductive function's leading electrical pillar 102, it is equipped with the piece of keeping silent to lead the cover on electrical pillar 102, inside at connector 303 still is fixed with the outside and is the plastic construction, inside connecting seat 303a that has metallic structure, the hole that supplies to lead electrical pillar 102 card to go into is seted up at the top of connecting seat 303a, it offsets with the inner wall in hole to keep silent, with this supplementary installation of completion, the stability of probe 100 and connector 303 installation, avoid the separation in later stage, it is drum spring 103 to keep silent, drum spring 103 is fixed through spot welding with leading electrical pillar 102, avoid both to drop.

In this embodiment, preferably, the limiting portion is a clamping column 303b, the connecting portion includes a moving groove 104 formed in the bottom end surface of the probe 100, the clamping column 303b moves into the moving groove 104 during the installation of the probe 100 and the connecting head 303, referring to fig. 2, the clamping column 303b moves to a corner of the moving groove 104 along an arrow direction, and then the connecting head 303 or the probe 100 rotates, so that the clamping column 303b moves a horizontal position of the moving groove 104, thereby implementing the limiting engagement, the connecting portion further includes a rubber ring 101 sleeved outside the probe 100, when the clamping column 303b moves to the horizontal position of the moving groove 104, the rubber ring 101 is in a state of being pressed by the probe 100 and the transmission line 300, the probe 100 and the transmission line 300 are bounced in opposite directions by the rebound of the rubber ring 101, and at this time, the clamping column 303b abuts against the bottom of the horizontal position of the moving groove 104, thereby implementing the limiting.

In this embodiment, preferably, the middle of the horizontal position of the moving slot 104 is further formed with an integrated limiting protrusion 104a, the limiting protrusion 104a abuts against the latching post 303b, in the rotation process, when the latching post 303b rotates to the position of the limiting protrusion 104a, the limiting protrusion 104a blocks the rotation, when the probe 100 rotates in the reverse direction, the latching post 303b can exit, and in the forward rotation process, the latching post 303b can continuously press the limiting protrusion 104a, and when the latching post 303b passes through the limiting protrusion 104a, the other end of the moving slot 104 can exit.

In this embodiment, preferably, the surface of the transmission line 300 is further sleeved with a clamping ring 301, both the clamping ring 301 and the clamping ring 301 are movably sleeved, that is, the clamping ring 301 can slide up 9300, but cannot fall off without large external force, in the installation, the installation is realized through the deformation of the clamping ring 301, the clamping ring 301 is further connected with an integrated accommodating ring 302, the inner diameter of the accommodating ring 302 is greater than the inner diameter of the clamping ring 301, so as to accommodate the transmission line 300, the inner walls of the accommodating ring 302 and the clamping ring 301 are both provided with an adjusting groove 304 capable of realizing the deformation installation or accommodating the transmission line 300, and the adjusting groove 304 is triangular.

In this embodiment, it is preferable that the connection port 200 is plugged with an external device, and in use, the device to be tested is subjected to voltage detection through the probe 100, and the connection port 200 is an aviation plug.

Although embodiments of the present invention have been shown and described (with particularity and detail in the foregoing description), it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A voltage probe for electrical testing, comprising a probe head (100), a connection port (200), and a transmission line (300) connecting the probe head (100) with the connection port (200), characterized in that: be provided with coupling mechanism between probe (100) and transmission line (300), this coupling mechanism includes:

the limiting component is formed by clamping and connecting a limiting part and a connecting part, wherein the limiting part is fixed on the inner wall of the connecting head (303), and the connecting part is arranged at the bottom of the probe (100);

be fixed with on the bottom face of probe (100) and lead electrical pillar (102), it is equipped with the piece of keeping silent to lead the cover on electrical pillar (102) the inside of connector (303) still is fixed with connecting seat (303 a) the hole that confession was led electrical pillar (102) card and is gone into is seted up at the top of connecting seat (303 a), the inner wall that keeps silent and hole offsets.

2. An electrical test voltage probe according to claim 1, wherein: spacing portion is card post (303 b), and connecting portion are including seting up removal groove (104) of probe (100) bottom end face, connecting portion still including the cover establish probe (100) outside rubber ring (101).

3. An electrical test voltage probe according to claim 2, wherein: the middle part of the horizontal position of the moving groove (104) is also provided with an integrated limiting bulge (104 a), and the limiting bulge (104 a) is propped against the clamping column (303 b).

4. An electrical test voltage probe according to claim 1, wherein: the abutting piece is a drum spring (103), and the drum spring (103) and the conductive column (102) are fixed through spot welding.

5. An electrical test voltage probe according to claim 1, wherein: the surface of transmission line (300) still overlaps and is equipped with clamp ring (301), still be connected with the ring (302) of accomodating of integral type on clamp ring (301), the internal diameter of accomodating ring (302) is greater than the internal diameter of clamp ring (301).

6. An electrical test voltage probe according to claim 5, wherein: the inner walls of the containing ring (302) and the clamping ring (301) are provided with adjusting grooves (304), and the adjusting grooves (304) are triangular.

7. An electrical test voltage probe according to claim 1, wherein: the connection port (200) is plugged with external equipment, and the connection port (200) is an aviation plug.

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