CN209264784U - A kind of clamp structure and measuring instrument - Google Patents

Abstract

The embodiments of the present invention provide a kind of clamp structure and measuring instrument, belong to detection technique field.Clamp structure includes: clip, and clip has the first test department and the second test department being oppositely arranged, and the first test department and the second test department can be relatively close or separate；Contact pin, contact pin are connect with the first test department, and one end of contact pin is provided with the contact portion for being electrically connected with detection piece, and contact pin is provided with the wire connecting portion being electrically connected with contact portion.Clamp structure can quickly will test part access test circuit, the plenty of time that wiring and operation expend when reducing traditional test mode, and can be improved insulating properties when test, increase the safety of operation, this is reasonable in design, practical.The utility model additionally provides a kind of measuring instrument, the repertoire with the clamp structure.

Description

A kind of clamp structure and measuring instrument

Technical field

The utility model relates to detection technique fields, in particular to a kind of clamp structure and measuring instrument.

Background technique

The DC feeder network of substation mostly uses tree at present, from battery to station equipment, generally passes through three Grade distribution, every gradation TV university mostly use direct current air switch as protection electric appliance.In direct current system operational process, when junior uses When short trouble occurs in electric equipment, since the superior and the subordinate's direct current air switch protection act characteristic mismatches, cause upper level direct current Air switch overstepping so as to cause other non-faulting feeder line DC supply interruptions, and then causes transforming plant primary to set Standby such as breaker, transformer, capacitor accident.

In order to prevent because direct current air switch the superior and the subordinate acting characteristic mismatches bring hidden danger, need to new installation and fortune Direct current air switch in row carries out ampere-time characteristic test, to guarantee that performance is consistent with design, it is ensured that DC loop meets differential The requirement of cooperation.The traditional measurement for the ampere-time characteristic test that direct current is spaced apart is needed using specific purpose tool, and operation and wiring are multiple Polygamy is high, and consuming time is long.

Inventor has found under study for action, existing at least to have the disadvantage in that in the related technology

It can be convenient for the clamp structure of operation without one kind.

Utility model content

The utility model provides a kind of clamp structure, improves the deficiencies in the prior art, can quickly will test part Access test circuit, the plenty of time that wiring and operation expend when reducing traditional test mode, and when can be improved test Insulating properties increases the safety of operation, this is reasonable in design, practical.

The utility model additionally provides a kind of measuring instrument comprising clamp structure mentioned above has the clamping The repertoire of structure.

The embodiments of the present invention this can be implemented so that

The embodiments of the present invention provide a kind of clamp structure comprising:

Clip, the clip have the first test department and the second test department that are oppositely arranged, and first test department and Second test department can be relatively close or separate；

Contact pin, the contact pin are connect with first test department, and one end of the contact pin is provided with for electric with detection piece The contact portion of connection, the contact pin are provided with the wire connecting portion being electrically connected with the contact portion.

Specifically, the clamp structure can quickly will test part access test circuit, connect when reducing traditional test mode The plenty of time that line and operation expend, and can be improved insulating properties when test, increase the safety of operation, structure design Rationally, practical.

Optionally, the first perforation for accommodating the contact pin, the clamp structure are provided on second test department First perforation is arranged in the contact pin and the first state of first test department and second test department contact, And the contact pin be detached from first perforation and first test department and second part of detecting from the second state.

Optionally, the clip includes the first connector and the second connector, and first connector is around rotational axis line Be rotatablely connected with second connector, and the rotational axis line be located at first connector and the second connector it Between, first test department is arranged on first connector, and second test department is arranged on second connector.

Optionally, first perforation is slotted hole, and first perforation extends along the length direction of the clip.

Optionally, the clamp structure further includes replying part, and described one end for replying part is connect with first connector Or abut, the other end for replying part connect or abuts with second connector, and the reply part is for making described first Test department and the second test department have relatively close movement tendency.

Optionally, first connector has the first holding part, and second connector has the second holding part, and institute State the end of the first holding part to the distance for replying part be less than the end of first test department to the reply part away from From the end that the end of, second holding part to the distance for replying part is less than second test department to the reply part Distance.

Optionally, first holding part and the first test department angle are arranged, and described one end for replying part is closed on The first holding part setting；

Second holding part and the second test department angle are arranged, and the other end for replying part closes on described the The setting of two holding parts.

Optionally, the clamp structure further includes connecting line, and first connector has cavity, and the connecting line is worn In the cavity, one end of the connecting line is electrically connected with the contact pin, and the other end of the connecting line forms the wire connecting portion, The wire connecting portion stretches out the cavity.

Optionally, the contact pin is removably connected to first test department.

Optionally, the second perforation is provided on first test department, the contact pin is detachable by second perforation Be connected to first test department.

The embodiments of the present invention additionally provide a kind of measuring instrument comprising tester and clamping knot mentioned above Structure, the repertoire with the clamp structure, the tester are electrically connected with the wire connecting portion.

Optionally, the clamp structure further includes insulating base, fixed plate and installs sliding rail for installing the detection piece, Boss is provided on the insulating base, the installation sliding rail is connect with the boss, and the detection piece, the boss and institute The accommodating space formed between insulating base for accommodating second test department is stated, the fixed plate and the installation sliding rail connect It connects, and the fixed plate is for fixing the detection piece.

Compared with prior art, the beneficial effect of the utility model embodiment includes, for example:

The clamp structure has the first test department and the second test department that can be relatively close or separate, by adjusting first The relative positional relationship of test department and the second test department, so that the spacing size between the contact portion of contact pin and the second test department can It adjusting, being placed between contact portion and the second test department for will test part, so that contact portion is electrically connected with detection piece, thus It realizes the Function detection to detection piece, the setting up time of the mode of traditional wired connection can be reduced, and can be improved behaviour The safety and stability of work, this is reasonable in design, practical.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram of clamp structure provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of the first clip provided by the embodiment of the utility model and dependency structure；

Fig. 3 is the cross-sectional view of the first clip provided by the embodiment of the utility model and dependency structure along central axes；

Fig. 4 is the structural schematic diagram of second of clip provided by the embodiment of the utility model and dependency structure；

Fig. 5 is the structural schematic diagram of measuring instrument provided by the embodiment of the utility model.

Icon: 100- measuring instrument；10- clamp structure；11- clip；The first test department of 111-；1111- second perforates； The second test department of 112-；1121- first perforates；The first connector of 113-；The first holding part of 1131-；1132- cavity；114- Two connectors；The second holding part of 1141-；115- transition part；12- contact pin；121- contact portion；122- wire connecting portion；13- replys part； 20- insulating base；210- accommodating space；21- boss；30- fixed plate；40- installs sliding rail；50- tester.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that if occur term " center ", "upper", "lower", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position Relationship or the utility model product using when the orientation or positional relationship usually put, be merely for convenience of describing this reality It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific Orientation construction and operation, therefore should not be understood as limiting the present invention.

In addition, being only used for distinguishing description if there is term " first ", " second ", " third " etc., and should not be understood as indicating Or imply relative importance.

In addition, being not offered as requiring component abswolute level or outstanding if there are the terms such as term "horizontal", "vertical", " pendency " It hangs down, but can be slightly tilted.It is not to indicate to be somebody's turn to do if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" Structure is had to fully horizontally, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, if there is art Language " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachable Connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, centre can also be passed through Medium is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

Referring to FIG. 1, present embodiments providing a kind of clamp structure 10, comprising:

Clip 11, clip 11 have the first test department 111 and the second test department 112 being oppositely arranged, and the first test department 111 and second test department 112 can be relatively close or separate；

Contact pin 12, contact pin 12 are connect with the first test department 111, and one end of contact pin 12 is provided with for being electrically connected with detection piece Contact portion 121, contact pin 12 is provided with the wire connecting portion 122 being electrically connected with contact portion 121.

What needs to be explained here is that clamp structure 10 can be quick by the contact pin 12 being arranged on the first test department 111 Completion wiring, the first test department 111 and the second test department 112 can be relatively close or separate, so that the contact portion of contact pin 12 121 can contact with detection piece, so that detection piece be enable to be electrically connected into test loop.In the present embodiment, clamp structure 10 test for the ampere-time characteristic to air switch, and test can be rapidly completed by clamp structure 10, and wiring is avoided to expend Experimental period.When it is implemented, can also be used to according to specific implementation environment clamp structure 10 by diode, battery, measurement A variety of components such as instrument 100 or equipment are incorporated to circuit and carry out wiring, charging, test etc. on the way.

It is understood that the wire connecting portion 122 for connecting with tester 50 is provided on contact pin 12 in the present embodiment, And wire connecting portion 122 is electrically connected with contact portion 121.When it is implemented, can also be arranged according to specific implementation environment wire connecting portion 122 In other positions such as the first test departments 111, wire connecting portion 122 completes the electrical connection of detection piece, and root after being electrically connected with contact portion 121 According to the insulation position of the location-appropriate adjustment clamp structure 10 of wire connecting portion 122, to guarantee the safety of operation.

It is understood that contact pin 12 is made using hard conductive material in the present embodiment.When it is implemented, according to tool Body implementation environment contact pin 12 can partially use insulating materials, and contact portion 121 therein and wire connecting portion 122 use conductive material simultaneously Above-mentioned the two is electrically connected, contact pin 12 also can be used material flexible and be made.

It should also be noted that, contact pin 12 is rod-like structure in the present embodiment, the one of contact pin 12 is arranged in contact portion 121 There is a contact point on end.When it is implemented, according to specific implementation environment, contact pin 12 can also for Y shape, H-shaped, fork-shaped etc. its His structure, contact portion 121 can have one or more contact points.

Specifically, the clamp structure 10 can quickly will test part access test circuit, when reducing traditional test mode The plenty of time that wiring and operation expend, and can be improved insulating properties when test, increase the safety of operation, which sets Meter is rationally, practical.

Fig. 1-Fig. 5 is please referred to, the first perforation 1121 for accommodating contact pin 12, clamping are provided on the second test department 112 There is structure 10 contact pin 12 to be arranged in the first perforation 1121 and the first shape of the first test department 111 and the contact of the second test department 112 State and contact pin 12 are detached from the first perforation 1121 and the second state of the first test department 111 and the separation of the second test department 112.

What needs to be explained here is that according to the difference of clamp structure 10, when first state is in working condition, detection piece Contact is between the first test department 111 and the second test department 112, and contact pin 12 is arranged in contact or contacts with contact, makes Clamp structure 10 makes detection piece be electrically connected to tap into test loop, complete after test by clamp structure 10 adjust to the second state until Clamp structure 10 and detection piece are detached from, to complete to test；When the second state is in working condition, contact portion 121 and detection piece Contact contact, and the first test department 111 and the second test department 112 will test part clamping so that clamp structure 10 and detection The stable connection of part continues to be that the first test department 111 and the second test department 112 are separate, to make 11 He of clip after completing test Contact portion 121 is thoroughly detached from detection piece, so that clamp structure 10 returns to first state after detection piece completes detection.

What needs to be explained here is that the first perforation 1121 is arranged in the present embodiment, on the second test department 112, inserted for making The longer part of needle 12 stretch out the second test department 112, avoid contacting between contact pin 12 and the second test department 112 cause contact pin 12 or The reduced service life of second test department 112.When it is implemented, according to the test object of specific implementation environment, the length of contact pin 12 Degree can also be not stretch out the second test department 112.

In addition to this, contact pin 12 can also stretch out the first test department 111 and the second test department 112,111 He of the first test department Second test department 112 is used only for the clamping to detection piece, and contact pin 12 is electrically connected with detection piece.

Please refer to Fig. 1-Fig. 5, clip 11 includes the first connector 113 and the second connector 114, the first connector 113 around Rotational axis line is rotatablely connected with the second connector 114, and rotational axis line is located at the first connector 113 and the second connection Between part 114, the first test department 111 is arranged on the first connector 113, and the second test department 112 is arranged in the second connector 114 On.

What needs to be explained here is that rotational axis line is arranged in the first connector 113 and the second connector in the present embodiment Between 114, so that the first test department 111 and the second test department 112 all have movable ability, so as to improve clip 11 Flexibility.First connector 113 and the second connector 114 form clip 11, easy to operate, structure by way of rotation connection Simply for ease of maintenaince.When it is implemented, can also be led to according to specific implementation environment the first connector 113 and the second connector 114 It crosses sliding rail, rack-and-pinion etc. and realizes the relatively close or separate of the first test department 111 and the second test department 112.

Fig. 1-Fig. 5 is please referred to, the first perforation 1121 is slotted hole, and the first perforation 1121 is prolonged along the length direction of clip 11 It stretches.

What needs to be explained here is that the first perforation 1121 is set as slotted hole, it is to be able to make contact pin 12 with first The circular motion that connector 113 generates when rotating around rotational axis line can be in the range of the first perforation 1121, so that contact pin 12 can pass through the second test department 112, avoid generating pressure to the second test department 112.When it is implemented, according to specific reality Applying the perforation of environment first 1121 can also be guide groove etc..

Fig. 1-Fig. 5 is please referred to, clamp structure 10 further includes replying part 13, replys one end and the first connector 113 of part 13 Connection abuts, and the other end for replying part 13 connect or abuts with the second connector 114, replys part 13 for making the first test department 111 and second test department 112 have relatively close movement tendency.

It should be noted that reply part 13 is torsional spring, by connecting with the first connector 113 and second in the present embodiment Part 114 connects, so that the first test department 111 and the second test department 112 have movement tendency close to each other or separate.It is specific real Shi Shi, replying part 13 according to specific implementation environment can also be elastic slice, elastic drag rope etc..

It is understood that torsional spring have coil spring part, in order to guarantee using stablize need be torsional spring center of rotation Line is overlapped with rotational axis line, to improve the stability of rotation.Therefore it is needed on the first connector 113 and the second connector 114 Corresponding interconnecting piece is set, this is to those skilled in the art clearly, and details are not described herein again.

Fig. 1-Fig. 5 is please referred to, the first connector 113 has the first holding part 1131, and the second connector 114 has second to hold Hold portion 1141, and the end of the first holding part 1131 is to replying the end of the distance of part 13 less than the first test department 111 to reply The distance of part 13, the end of the second holding part 1141 is to replying the end of the distance of part 13 less than the second test department 112 to reply The distance of part 13.

First holding part 1131 and 111 angle of the first test department are arranged, and the first holding part is closed in the one end for replying part 13 1131 settings；

Second holding part 1141 and 112 angle of the second test department are arranged, and the other end for replying part 13 closes on the second grip Portion 1141 is arranged.

What needs to be explained here is that the end of the first holding part 1131 to reply part 13 distance less than the first test department 111 end is convenient for operating to the distance for replying part 13, in addition to this end of the first holding part 1131 to reply part 13 Distance can also be greater than or equal to the first test department 111 end to reply part 13 distance.First holding part 1131 and The setting of one test department, 111 angle, can increase the chucking power between the first test department 111 and the second test department 112, avoid detecting Part loosens.When it is implemented, folder can not be formed according to specific implementation environment the first holding part 1131 and the first test department 111 Angle.

Fig. 1-Fig. 5 is please referred to, clamp structure 10 further includes connecting line, and the first connector 113 has cavity 1132, connecting line It is arranged in cavity 1132, one end of connecting line is electrically connected with contact pin 12, and the other end of connecting line forms wire connecting portion 122, wire connecting portion 122 stretch out cavity 1132.

What needs to be explained here is that connecting line is used to for contact pin 12 being electrically connected with the equipment of detection, when it is implemented, root It can also be the conductive structures such as sheet metal according to specific implementation ring connecting line.First connector 113 is provided with cavity 1132, can be with Phenomena such as preventing from touching connecting line in experimentation, and connecting line capable of being made to prevent aging.When it is implemented, wire connecting portion 122 can On needle body contact pin 12 is arranged in or on the ontology of the first connector 113, and first by being arranged on the first connector 113 Holding part 1131 realizes the effect of insulation.

It is understood that the first test department 111 is made in the present embodiment of insulating materials, when it is implemented, according to tool The first test department of body implementation environment 111 can also be metallic material, and wire connecting portion 122 can be located at the first test department 111.

Fig. 1-Fig. 5 is please referred to, contact pin 12 is removably connected to the first test department 111.

The second perforation 1111 is provided on first test department 111, contact pin 12 passes through the second removably connection of perforation 1111 In the first test department 111.

What needs to be explained here is that contact pin 12 can be removably attachable to the first test department by the second perforation 1111 On 111, it can be conveniently replaceable contact pin 12, and can be threadedly coupled, be bolted, bayonet lock by setting in the second perforation 1111 Etc. modes connect with the first test department 111.When it is implemented, according to specific implementation environment, contact pin 12 can also pass through sliding slot, cunning Rail etc. is connect with the first test department 111.

Referring to FIG. 4, clip 11 further includes transition part 115, clip 11 is in U-shape, and the first test department 111, transition part 115 It is set gradually with the second test department 112.

The structure what needs to be explained here is that clip 11 is in U-shape, the first test department 111 and the second test department 112 pass through clip The elasticity of 11 self structure can be realized it is opposite close to or far from.In addition to this, the first test department 111 and the second test department 112 can also be rotatablely connected or be slidably connected with transition part 115 to realize the relatively close or separate of the two.

Referring to FIG. 5, the embodiments of the present invention additionally provide a kind of measuring instrument 100 comprising 50 He of tester Clamp structure 10 mentioned above, the repertoire with the clamp structure 10, tester 50 are electrically connected with wire connecting portion 122.

Clamp structure 10 further includes insulating base 20, fixed plate 30 and installs sliding rail 40 for installing detection piece, bottom of insulating Boss 21 is provided on plate 20, installation sliding rail 40 is connect with boss 21, and is formed between detection piece, boss 21 and insulating base 20 For accommodating the accommodating space 210 of the second test department 112, fixed plate 30 is connect with installation sliding rail 40, and fixed plate 30 is for solid Determine detection piece.

What needs to be explained here is that insulating base 20 can be improved the insulating properties of test, increase the safety of operation.Work as inspection After survey part is connect with installation sliding rail 40, since the presence of boss 21 to form accommodating space between detection piece and insulating base 20 210, convenient for enabling the second connector 114 sufficiently to contact with detection piece, avoid phenomena such as generating slippage when test.

It should be understood that since the installation sliding rail 40 and fixed plate 30 of the detection pieces such as installation air switch are for this field It is for technical staff clearly, so it will not be repeated.When it is implemented, card can also be passed through according to specific implementation environment measuring part Folder 11, lead screw etc. are arranged on boss 21.

In conclusion the utility model provides a kind of clamp structure 10, part access test can quickly will test Circuit, the plenty of time that wiring and operation expend when reducing traditional test mode, and can be improved insulating properties when test, increase The safety of add operation, this is reasonable in design, practical.

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention can be combined with each other.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described Subject to scope of protection of the claims.

Claims (10)

1. a kind of clamp structure characterized by comprising

Clip, the clip have the first test department and the second test department that are oppositely arranged, and first test department and described Second test department can be relatively close or separate；

Contact pin, the contact pin are connect with first test department, and one end of the contact pin is provided with for being electrically connected with detection piece Contact portion, the contact pin is provided with the wire connecting portion being electrically connected with the contact portion.

2. clamp structure according to claim 1, which is characterized in that be provided on second test department for accommodating State contact pin first perforation, the clamp structure have the contact pin be arranged in it is described first perforation and first test department and The first state of the second test department contact and contact pin disengaging first perforation and first test department and institute State the second part of detecting from the second state.

3. clamp structure according to claim 2, which is characterized in that the clip includes the first connector and the second connection Part, first connector are rotatablely connected with second connector, and the rotational axis line position around rotational axis line Between first connector and the second connector, first test department is arranged on first connector, and described the Two test departments are arranged on second connector.

4. clamp structure according to claim 3, which is characterized in that first perforation is slotted hole, and described first It perforates along the length direction extension of the clip.

5. clamp structure according to claim 3, which is characterized in that the clamp structure further includes replying part, and described time One end of copy connect or abuts with first connector, it is described reply part the other end connect with second connector or It abuts, the reply part is for making first test department and the second test department have relatively close movement tendency.

6. clamp structure according to claim 5, which is characterized in that first connector has the first holding part, institute The second connector is stated with the second holding part, and the end of first holding part to the distance for replying part less than described the To the distance for replying part, the end of second holding part is less than institute to the distance for replying part for the end of one test department The end of the second test department is stated to the distance of the reply part.

7. clamp structure according to claim 3, which is characterized in that the clamp structure further includes connecting line, and described A connection piece has cavity, and the connecting line is arranged in the cavity, and one end of the connecting line is electrically connected with the contact pin, institute The other end for stating connecting line forms the wire connecting portion, and the wire connecting portion stretches out the cavity.

8. clamp structure according to claim 1-7, which is characterized in that the contact pin is removably connected to institute State the first test department.

9. clamp structure according to claim 8, which is characterized in that it is provided with the second perforation on first test department, The contact pin is removably connected to first test department by second perforation.

10. a kind of measuring instrument, which is characterized in that including tester and the described in any item clamping knots of multiple claim 1-9 Structure, the tester are electrically connected with the wire connecting portion.