CN216980893U

CN216980893U - Terminal clamp

Info

Publication number: CN216980893U
Application number: CN202122922196.8U
Authority: CN
Inventors: 庞守军; 姜泽先; 王克虎
Original assignee: China Nuclear Industry Maintenance Co Ltd
Current assignee: China Nuclear Industry Maintenance Co Ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-07-15
Anticipated expiration: 2031-11-25

Abstract

The utility model relates to the technical field of instrument maintenance, and provides a terminal clamp which comprises a main body and a conductive contact pin assembly, wherein elastic hooks are arranged at two opposite ends of the main body, the hooks are used for being hung on a terminal strip, the contact pin assembly is arranged on the main body, one end of the contact pin assembly is positioned between the two hooks and is used for being abutted against a wiring end of the terminal strip, and a jack is arranged at the other end of the contact pin assembly and is used for being plugged with a meter pen of a universal meter. The terminal clamp of the utility model can reduce the labor intensity of workers and avoid the test signal interruption caused by the loosening of the meter pen.

Description

Terminal clamp

Technical Field

The utility model relates to the technical field of instrument maintenance, in particular to a terminal clamp.

Background

When testing signals or voltages of terminal strip wiring ends of an instrument control cabinet, the conventional operation mode is that the test pens of a multimeter are directly inserted into two wiring ends of a terminal strip respectively, the test pens of the two multimeters need to be held by hands and are propped by force in the process so as to keep the good contact between the test pens and the wiring ends, and when a signal channel is checked, debugged and processed, a worker needs to keep the state for a long time. Not only is the labor intensity of the worker high due to the limb fatigue that occurs when a posture is maintained for a long time, but also the test signal may be interrupted due to the loosening of the held stylus.

SUMMERY OF THE UTILITY MODEL

The utility model provides a terminal clamp which can reduce the labor intensity of workers and avoid the test signal interruption caused by the loosening of a meter pen.

The embodiment of the application provides a terminal clamp, which comprises a main body and a contact pin assembly with conductivity, wherein elastic hooks are arranged at two opposite ends of the main body; the couple is used for hanging on the terminal row, the contact pin subassembly sets up in the main part, the one end of contact pin subassembly is located two just be used for with the wiring end butt of terminal row between the couple, the other end of contact pin subassembly is provided with the jack, the jack is used for pegging graft the pen-shape metre of universal meter.

In some embodiments, the pin assembly comprises a fixed pin, a movable pin and an elastic telescopic piece, wherein the fixed pin and the movable pin are both conductive, and the movable pin is arranged in a hollow manner; one end of the fixed contact pin is fixedly provided with a first limiting part, the first limiting part is fixedly connected with the main body, the jack is arranged on the fixed contact pin or the first limiting part with conductivity, and the other end of the fixed contact pin is inserted in the movable contact pin in a sliding manner; the movable contact pin is connected with the main body in a sliding mode, one end, far away from the fixed contact pin, of the movable contact pin is used for being abutted to a wiring end of the terminal strip, and a limiting baffle is fixedly arranged at one end, close to the fixed contact pin, of the movable contact pin; the telescopic direction of the elastic telescopic piece is parallel to the sliding direction of the fixed contact pin inside the movable contact pin, and two ends of the elastic telescopic piece are limited by the first limiting part and the limiting baffle respectively.

In some embodiments, the elastic expansion piece is provided as a spring sleeved on the fixed contact pin.

In some embodiments, the elastic expansion piece is a rubber sleeve sleeved on the fixed contact pin.

In some embodiments, a second limiting portion is disposed on the main body, the movable pin is slidably connected to the second limiting portion, and the limiting baffle is located between the elastic expansion piece and the second limiting portion.

In some embodiments, a strip-shaped buffer groove is formed in the peripheral wall of one end, far away from the fixed contact pin, of the movable contact pin, and the buffer grooves penetrate through the peripheral wall of the movable contact pin and are arranged at least two at intervals along the circumferential direction of the movable contact pin.

In some embodiments, the terminal clamp further comprises a pressing piece, the pressing piece is arranged on one side of the hook far away from the pin assembly, the other end of the pressing piece is a free end, and the free end is pressed to enable the hook to be far away from the pin assembly.

In some embodiments, the pressing portion includes a pressing portion and a connecting rib, one end of the connecting rib is connected to the hook, the other end of the connecting rib extends in a direction close to the insertion hole and is fixedly connected to the pressing portion, and the pressing portion and the main body are arranged at an interval.

In some embodiments, two pin assemblies are arranged at intervals, and two pin assemblies are electrically connected.

In some embodiments, the end surface of the pin assembly at the end for abutting against the terminal of the terminal block is provided with a circular arc surface.

The terminal clamp provided by the embodiment of the utility model has the beneficial effects that: because the relative both ends of main part all are provided with and have elastic couple, and set up the contact pin subassembly that has electric conductivity in the main part, be provided with the jack on the contact pin subassembly, so can make the one end of contact pin subassembly and the wiring end butt of terminal row earlier when using, and hang whole terminal clamp on the terminal row through the couple, the pen-shape metre of grafting universal meter inserts in the jack again, the signal of the wiring end of terminal row transmits the pen-shape metre of universal meter to through the contact pin subassembly, can inspect and measure the signal state on the signal channel who obtains this wiring end, and can be long-time keep this kind of state and observe the display data of universal meter, the workman need not to reuse the pen-shape metre of hand-held universal meter, the intensity of labour of the workman has been reduced, avoided the pen-shape metre to appear the pine and make test signal interrupt.

Drawings

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

FIG. 1 is a schematic view of a terminal clamp in an unused state according to one embodiment of the present invention;

fig. 2 is a front view of the terminal clip of fig. 1;

FIG. 3 is a front view of the introducer assembly of FIG. 1;

FIG. 4 is a front view of the moving pin of FIG. 3;

fig. 5 is a schematic structural view of the terminal clamp of fig. 1 in a use state.

The designations in the figures mean:

100. a terminal clamp; 10. a main body; 11. hooking; 12. tabletting; 121. a pressing part; 122. connecting ribs; 20. a pin assembly; 21. a jack; 22. fixing the contact pin; 23. moving the contact pin; 231. a limit baffle; 232. A buffer tank; 24. an elastic expansion member; 25. a first limiting part; 26. a second limiting part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, which are examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In order to explain the technical solution of the present invention, the following description is made with reference to the specific drawings and examples.

Referring to fig. 1 and 2, a terminal clamp 100 includes a main body 10 and a pin assembly 20 having conductivity.

The opposite ends of the main body 10 are provided with hooks 11 having elasticity, and the hooks 11 are used for hanging on the terminal strip. Since the hook 11 has elasticity, it is possible to hang the hook 11 on the terminal block or to remove the hook 11 from the terminal block.

Pin subassembly 20 sets up on main part 10, and pin subassembly 20's one end is located between two couples 11 and is used for with the wiring end butt of terminal row, and pin subassembly 20's the other end is provided with jack 21, and jack 21 is used for pegging graft the pen-shape metre of universal meter.

In the terminal clamp 100 according to the embodiment of the present invention, since the hooks 11 having elasticity are disposed at the opposite ends of the main body 10, and a conductive pin assembly 20 is provided on the main body 10, a receptacle 21 is provided on the pin assembly 20, one end of the pin assembly 20 may be brought into abutment with the terminals of the terminal block in use, the whole terminal clamp 100 is hung on the terminal strip through the hook 11, the meter pen of the plug-in multimeter is inserted into the jack 21, the signal of the terminal end of the terminal strip is transmitted to the meter pen of the multimeter through the pin assembly 20, the testing device can check, measure and acquire the signal state on the signal channel of the terminal, can keep the state for a long time and observe the display data of the multimeter, and does not need to hold a stylus of the multimeter by a worker, thereby reducing the labor intensity of the worker and avoiding the interruption of the testing signal caused by the release of the stylus.

Compared with the prior art, the terminal clamp 100 has the advantage that when the signal state of the terminals of a pair of terminal strips needs to be debugged or tested for a long time, the terminal clamp 100 in the embodiment can replace the original operation posture state which is manually inserted and maintained by the terminal clamp 100. When the terminal clamp 100 is used, the problem of worker fatigue is avoided, and the signal is ensured not to be interrupted during long-time testing. In addition, because the meter pen of the universal meter is not manually supported, one hand is liberated, the problem that debugging personnel can not leave a test position is solved, and the liberated hand can be used for recording signal data, looking over and looking up data or making/receiving a call to contact with the outside and the like.

Optionally, the characteristic that the groove is formed on the upper side of the incoming and outgoing line of the original terminal strip can be utilized, the two hooks 11 can be hung on the two grooves of the terminal strip to keep the terminal clamp 100 tightly attached to the terminal strip, and the two hooks 11 can also be hung on other parts of the terminal strip as long as it can be ensured that one end of the pin assembly 20 can be abutted to the terminal of the terminal strip when the terminal clamp 100 is fixed on the terminal strip.

Referring to fig. 1 to 5, in some embodiments, the pin assembly 20 includes a fixed pin 22, a movable pin 23, and an elastic expansion piece 24, wherein the fixed pin 22 and the movable pin 23 are electrically conductive, and the movable pin 23 is disposed in a hollow space.

One end of the fixed pin 22 is fixedly provided with a first limiting part 25, the first limiting part 25 is fixedly connected with the main body 10, the jack 21 is arranged on the fixed pin 22 or the conductive first limiting part 25, and the other end of the fixed pin 22 is inserted in the movable pin 23 in a sliding manner.

Remove contact pin 23 and main part 10 sliding connection, the one end that removes contact pin 23 and keep away from fixed contact pin 22 is used for with the wiring end butt of terminal strip, removes contact pin 23 and is close to the fixed contact pin 22 one end fixed limit stop 231 that is provided with, and limit stop 231 is located between elastic expansion piece 24 and the main part 10.

The telescopic direction of the elastic telescopic piece 24 is parallel to the sliding direction of the fixed contact pin 22 in the movable contact pin 23, two ends of the elastic telescopic piece 24 are limited by the first limiting part 25 and the limiting baffle 231 respectively, and the limiting baffle 231 is limited by the elastic telescopic piece 24 and the main body 10.

By adopting the above scheme, when the whole terminal clamp 100 is hung on the terminal strip through the hook 11, one end of the movable pin 23 away from the fixed pin 22 can be ensured to be tightly abutted against the wiring end of the terminal strip under the action of the elastic expansion piece 24 without being separated, and at the moment, one end of the fixed pin 22 away from the first limiting part 25 moves relative to the movable pin 23, namely slides towards the inside of the movable pin 23. Meanwhile, as the end of the movable pin 23 far from the fixed pin 22 tightly abuts against the terminals of the terminal row under the action of the elastic expansion piece 24, the hook 11 will not fall off due to a certain stress state.

Optionally, the elastic expansion element 24 is a spring sleeved on the fixed contact pin 22 or a rubber sleeve sleeved on the fixed contact pin 22. Simple structure, convenient assembly and better elasticity.

In some embodiments, the main body 10 is provided with a second limiting portion 26, the moving pin 23 is slidably connected to the second limiting portion 26, the limiting baffle 231 is located between the elastic expansion piece 24 and the second limiting portion 26, and the limiting baffle 231 is limited by the elastic expansion piece 24 and the second limiting portion 26.

By adopting the above scheme, only the second limiting part 26 connected with the movable pin 23 in a sliding manner needs to be processed firstly, and then the second limiting part 26 is assembled on the main body 10, so that the part connected with the movable pin 23 in a sliding manner does not need to be processed on the main body 10, and the processing is simpler and more convenient.

Referring to fig. 1 and 4, in some embodiments, a strip-shaped buffer groove 232 is disposed on an outer peripheral wall of an end of the moving pin 23 away from the fixed pin 22, and at least two buffer grooves 232 penetrate through the outer peripheral wall of the moving pin 23 and are spaced apart along a circumferential direction of the moving pin 23.

Through adopting above-mentioned scheme, when the one end that will remove contact pin 23 and keep away from fixed contact pin 22 inserts downthehole and tightly butt terminal row's wiring end on the terminal row, the periphery wall of removing contact pin 23 can be atred and take place the inflation to with the pore wall in the hole on the terminal row in close contact with, improve the cohesion of the two, remove contact pin 23 when avoiding the test signal and take place to become flexible.

Referring to fig. 1 and 2, in some embodiments, the terminal clamp 100 further includes a pressing piece 12, the pressing piece 12 is disposed on a side of the hook 11 away from the pin assembly 20, one end of the pressing piece 12 is connected to the hook 11, and the other end of the pressing piece 12 is a free end, and the free end is pressed to make the hook 11 away from the pin assembly 20.

Through adopting above-mentioned scheme, hang whole terminal clamp 100 on the terminal row or take off terminal clamp 100 from the terminal row time only need press the preforming 12 earlier and keep away from one end and make couple 11 keep away from contact pin subassembly 20, loosen again press the preforming 12 to keep away from one end make couple 11 be close to contact pin subassembly 20 can, easy operation, convenient to use.

As an implementation manner, the pressing piece 12 includes a pressing portion 121 and a connecting rib 122, one end of the connecting rib 122 is connected to the hook 11, the other end of the connecting rib 122 extends toward the insertion hole 21 and is fixedly connected to the pressing portion 121, and the pressing portion 121 is disposed at an interval from the main body 10. Simple structure, processing is convenient, and preforming 12 can also strengthen couple 11 intensity.

Referring to fig. 1, in some embodiments, two pin assemblies 20 are disposed at intervals, and the two pin assemblies 20 are electrically connected, for example, the two pin assemblies 20 are electrically connected through a conductive wire, or the two pin assemblies 20 are electrically connected through a conductive body 10.

By adopting the above-mentioned scheme, when hanging the whole terminal clamp 100 on the terminal row, the terminal clamp 100 can be ensured to be stressed more evenly. When debugging test signals, one meter pen of the multimeter is inserted into the jack 21 of any pin component 20 on the terminal clamp 100, so that a signal path of the multimeter and the terminal strip can be connected, and then the second terminal clamp 100 is installed by the same method and the other meter pen of the multimeter is inserted.

Alternatively, only one or more pin assemblies 20 may be provided.

Referring to fig. 1 and 2, in some embodiments, an end surface of the pin assembly 20 at an end for abutting against the terminals of the terminal block is configured as a circular arc surface.

By adopting the scheme, one end of the movable contact pin 23, which is far away from the fixed contact pin 22, can tightly abut against the wiring end of the terminal strip, and the wiring end and other internal structures of the terminal strip cannot be scratched.

Referring to fig. 1 to 5, a terminal clamp 100 includes a main body 10, a pressing plate 12, and a pin assembly 20 having conductivity.

The opposite ends of the main body 10 are provided with hooks 11 having elasticity, and the hooks 11 are used for hanging on the terminal strip. The pressing piece 12 is arranged on one side of the hook 11 far away from the pin assembly 20, one end of the pressing piece 12 is connected with the hook 11, and the hook 11 can be far away from the pin assembly 20 by pressing the other end of the pressing piece 12.

The pin assemblies 20 are arranged on the main body 10, and two pin assemblies 20 are arranged at intervals and the two pin assemblies 20 are electrically connected.

The pin assembly 20 comprises a fixed pin 22, a movable pin 23 and an elastic telescopic piece 24, wherein the fixed pin 22 and the movable pin 23 are both conductive, and the movable pin 23 is arranged in a hollow mode.

One end of the fixed contact pin 22 is fixedly provided with a first limiting portion 25 with conductivity, the first limiting portion 25 is fixedly connected with the main body 10, a jack 21 is arranged on the first limiting portion 25, the jack 21 is used for being plugged with a meter pen of a universal meter, and the other end of the fixed contact pin 22 is slidably plugged in the movable contact pin 23.

Remove contact pin 23 and main part 10 sliding connection, the one end that removes contact pin 23 and keep away from fixed contact pin 22 sets up to the arc surface and is used for with the wiring end butt of terminal row, removes contact pin 23 and is close to the fixed one end of fixed contact pin 22 and fixedly is provided with limit stop 231, and limit stop 231 is located between elastic expansion piece 24 and the main part 10. The outer peripheral wall of the end, far away from the fixed pin 22, of the movable pin 23 is provided with strip-shaped buffer grooves 232, and the buffer grooves 232 penetrate through the outer peripheral wall of the movable pin 23 and are arranged at least two at intervals along the circumferential direction of the movable pin 23.

In the terminal clamp 100 of the embodiment of the utility model, since the opposite ends of the main body 10 are provided with the elastic hooks 11, and a conductive pin assembly 20 is provided on the body 10, a receptacle 21 is provided on the pin assembly 20, one end of the pin assembly 20 may be brought into abutment with the terminal ends of the terminal block in use, the whole terminal clamp 100 is hung on the terminal strip through the hook 11, the meter pen of the plug-in multimeter is inserted into the jack 21, the signal of the terminal end of the terminal strip is transmitted to the meter pen of the multimeter through the pin assembly 20, the testing device can check, measure and acquire the signal state on the signal channel of the terminal, can keep the state for a long time and observe the display data of the multimeter, and does not need to hold a stylus of the multimeter by a worker, thereby reducing the labor intensity of the worker and avoiding the interruption of the testing signal caused by the release of the stylus.

The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims

1. The terminal clamp is characterized by comprising a main body and a contact pin assembly with conductivity, wherein elastic hooks are arranged at two opposite ends of the main body and are used for being hung on a terminal strip; the contact pin subassembly sets up in the main part, the one end of contact pin subassembly is located two between the couple and be used for with the wiring end butt of terminal row, the other end of contact pin subassembly is provided with the jack, the jack is used for pegging graft the pen-shape metre of universal meter.

2. The terminal clamp of claim 1, wherein the pin assembly comprises a fixed pin, a movable pin and an elastic expansion piece, the fixed pin and the movable pin are both conductive, and the movable pin is hollow; one end of the fixed contact pin is fixedly provided with a first limiting part, the first limiting part is fixedly connected with the main body, the jack is arranged on the fixed contact pin or the first limiting part with conductivity, and the other end of the fixed contact pin is inserted in the movable contact pin in a sliding manner; the movable contact pin is connected with the main body in a sliding mode, one end, far away from the fixed contact pin, of the movable contact pin is used for being abutted to a wiring end of the terminal strip, and a limiting baffle is fixedly arranged at one end, close to the fixed contact pin, of the movable contact pin; the telescopic direction of the elastic telescopic piece is parallel to the sliding direction of the fixed contact pin inside the movable contact pin, and two ends of the elastic telescopic piece are limited by the first limiting part and the limiting baffle respectively.

3. The terminal clamp of claim 2, wherein the resilient member is configured as a spring that fits over the fixed contact pin.

4. The terminal clamp of claim 2, wherein the resilient extension member is configured as a rubber sleeve that fits over the fixed pin.

5. The terminal clamp of claim 2, wherein the main body is provided with a second limiting portion, the movable pin is slidably connected to the second limiting portion, and the limiting baffle is located between the elastic expansion member and the second limiting portion.

6. The terminal clamp according to claim 2, wherein a strip-shaped buffer groove is formed in an outer peripheral wall of one end of the movable pin, which is far away from the fixed pin, and the buffer grooves penetrate through the outer peripheral wall of the movable pin and are arranged at least two at intervals along the circumferential direction of the movable pin.

7. The terminal clamp according to any one of claims 1 to 6, further comprising a pressing piece disposed on a side of the hook away from the pin assembly, wherein one end of the pressing piece is connected to the hook, and the other end of the pressing piece is a free end, and the free end is pressed to enable the hook to be away from the pin assembly.

8. The terminal clamp of claim 7, wherein the pressing piece includes a pressing portion and a connecting rib, one end of the connecting rib is connected to the hook, the other end of the connecting rib extends toward the insertion hole and is fixedly connected to the pressing portion, and the pressing portion is spaced from the main body.

9. The terminal clip of any one of claims 1 to 6, wherein two pin assemblies are spaced apart and electrically connected.

10. The terminal clip according to any one of claims 1 to 6, wherein an end surface of one end of the pin member for abutting against the terminal ends of the terminal block is provided as a circular arc surface.