CN114966144A - Adjustable probe - Google Patents
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- CN114966144A CN114966144A CN202210860130.7A CN202210860130A CN114966144A CN 114966144 A CN114966144 A CN 114966144A CN 202210860130 A CN202210860130 A CN 202210860130A CN 114966144 A CN114966144 A CN 114966144A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
- G01R1/06716—Elastic
- G01R1/06722—Spring-loaded
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Abstract
The invention provides an adjustable probe, relates to the technical field of detection probes, and solves the problems that most probe heads are not replaceable, probes are easy to slip and inconvenient to install when being taken, and the length of the probes is not adjustable at present. The utility model provides a probe with adjustable, includes the even piece of slip, the even piece of slip is the echelonment, and the even piece slip card of slip dress in the inside cavity of protective housing, detects the syringe needle, a connecting block is installed to the up end of detecting the syringe needle, and the external screw thread has been seted up to the outer terminal surface of connecting block. According to the invention, the connecting block at the upper end of the detection needle head is in threaded connection with the device groove on the surface of the sliding connecting block, so that a worker can replace different detection needle heads when detecting different objects, the friction force between the hand of the worker and the connecting pipe is increased by arranging the resistance strip at the outer end of the connecting pipe, the external thread and the internal thread can be rotatably connected, two extension pipes are connected together, and the total length of the protective shell and the extension pipes can be flexibly adjusted.
Description
Technical Field
The invention belongs to the technical field of detection probes, and particularly relates to an adjustable probe.
Background
The probe is a test needle for testing a circuit board, the surface of the probe is plated with gold, a high-performance spring is arranged in the probe, and the probe mainly comprises three parts, namely a needle tube, a spring and a test needle head, wherein the needle tube mainly uses copper alloy as a main material.
Existing probes have some disadvantages in use:
firstly, the method comprises the following steps: the test needles of the probes are divided into a plurality of types, but the test needles of the probes are mostly not replaceable, so that a plurality of probes are required to be prepared when different circuit boards are detected, and inconvenience is brought to the test work of workers;
secondly, the method comprises the following steps: the probe has a smooth surface, so that a slipping phenomenon easily occurs when a worker takes the probe, and the probe is inconvenient to install by the worker;
thirdly, the length of the probe is not adjustable, some circuit boards are positioned in the machine, and when the circuit boards in the machine are detected, the normal operation of the test operation can be influenced due to the fact that the length of the probe is not enough.
Disclosure of Invention
The invention aims to solve the problems, and provides an adjustable probe, which solves the problem that most of test needles of the probe are not replaceable, so that various probes are required to be prepared when different circuit boards are detected, and inconvenience is brought to test work of workers; and the appearance of the probe is smooth, so that a worker can slip easily when taking the probe, and the probe is inconvenient to install by the worker.
In order to achieve the purpose, the invention provides the following technical scheme: an adjustable probe comprising a protective housing;
the protection shell is characterized in that the protection shell main body is of a hollow tubular structure, a through hole is formed in the lower end face of the protection shell, four clamping grooves are formed in the surface of the through hole, the four clamping grooves are arranged in an annular structure, a control panel is installed on the upper end face of a cavity in the protection shell, and two power supply wires are arranged on the outer end face of the control panel;
the sliding connecting block is in a step shape and is slidably clamped in a cavity in the protective shell;
the connecting pipe is fixedly arranged on the upper end face of the protective shell, and an internal thread is formed in the inner end face of the connecting pipe;
the inner diameter of the extension pipes is the same as that of the protective shell, and two groups of extension pipes are arranged;
the detection device comprises a detection needle head, a connecting block is arranged on the upper end face of the detection needle head, and an external thread is arranged on the outer end face of the connecting block;
the first spring is arranged in a cavity in the protective shell, the upper end face of the first spring is fixedly connected with the control panel, and the lower end face of the first spring is fixedly connected with the sliding connecting block;
the locating tube, the locating tube symmetry is equipped with two sets ofly, and locating tube fixed mounting is in the up end of protecting sheathing, and the locating tube cup joints in the outside of power wire, and locating tube internally mounted has three stop gear of group, and three stop gear of group are the loop configuration setting.
Furthermore, four fixing clamping strips are installed on the outer end face of the sliding connecting block, the four fixing clamping strips are arranged in an annular structure, and the fixing clamping strips are slidably clamped in clamping grooves in the protective shell.
Furthermore, a limiting column is further installed on the upper end face of the sliding connecting block, the length of the limiting column is half of the length of the protective shell, the outer end face of the limiting column is attached to the first spring, and the outer end of the first spring is attached to the inner wall of the protective shell.
Furthermore, the lower end face of the sliding connecting block is provided with a device groove, the inner wall of the device groove is provided with internal threads, and a connecting copper column is further arranged inside the device groove.
Furthermore, a groove is formed in the surface of the connecting block, the connecting block is connected to the device groove in the surface of the sliding connecting block in a threaded mode, and the inner diameter of the groove in the surface of the connecting block is the same as the outer diameter of the connecting copper column.
Further, stop gear includes: the inner end face of the pressing plate is of an arc-shaped structure, and the pressing plate is attached to the power supply lead; the lower end face of the second spring is fixedly connected with the pressing plate, and the upper end face of the second spring is fixedly connected with the inner wall of the positioning pipe.
Furthermore, the lower end face of the extension pipe is provided with an external thread, the upper end face of the extension pipe is provided with an internal thread, and the lower end of the extension pipe is in threaded connection with the connecting pipe.
Furthermore, the outer end face of the connecting pipe is uniformly provided with resistance strips, and the outer end face of each resistance strip is of an arc-shaped structure.
Compared with the prior art, the invention has the following beneficial effects:
the four fixing clamping strips on the outer end face of the sliding connecting block are slidably clamped in the clamping groove in the protective shell, so that when the sliding connecting block moves up and down in the cavity in the protective shell, the sliding connecting block cannot shake left and right, and vertical up-and-down movement of the sliding connecting block in the cavity in the protective shell can be guaranteed.
From outside, the connecting block threaded connection of detection syringe needle upper end is in the device groove on even piece surface of slip for the workman can change different detection syringe needles when detecting different objects, thereby can improve the practicality of probe, thereby can reduce the waste, improves the utilization ratio of resource, reduce cost.
In addition, through the setting of two second springs of pressure strip up end for the power wire is in the pivoted, and the pressure strip can closely laminate with the power wire under the effect of second spring elasticity, limits the rotation range of power wire, plays the effect of protection power wire, prevents the phenomenon that the outside plastics of power wire from appearing ftracturing, and the lower terminal surface of pressure strip is the arc structure moreover, can increase the area of contact between pressure strip and the power wire.
In addition, through extension pipe lower extreme and connecting pipe threaded connection's setting, make the workman can be with extension pipe threaded connection on the connecting pipe, and the external screw thread has been seted up to the lower extreme of extension pipe, the internal thread has been seted up to the upper end of extension pipe, the workman still can be with the internal thread connection of extension pipe upper end in the external screw thread of another extension pipe lower extreme, thereby be in the same place two extension union couplings, make the workman can come nimble adjustment protective housing and the total length of extension pipe according to the circumstances at scene, the normal clear of the test work of being convenient for.
In addition, the protective housing main part is cylindrical structure, and the workman appears the phenomenon of skidding easily when to taking protective housing, through the setting of connecting pipe outer end resistance strip for the workman can increase the frictional force between workman's hand and the connecting pipe when this device of taking, prevents the phenomenon of skidding, and the workman of being convenient for will extend the pipe and install the inside at the connecting pipe.
Drawings
FIG. 1 is a schematic diagram of the overall apparatus of the present invention;
FIG. 2 is a schematic cross-sectional view of the extension tube and the protective housing of the present invention;
FIG. 3 is a schematic view of the internal structure of the protective casing according to the present invention;
FIG. 4 is a schematic view of the structure of the detecting needle and the sliding block of the present invention;
FIG. 5 is a schematic view of the connection structure of the positioning tube and the protective housing according to the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5;
FIG. 7 is a schematic view of the extension tube and the protective housing of the present invention;
FIG. 8 is a schematic structural view of a first spring and a limiting post according to the present invention;
fig. 9 is a schematic structural view of the sliding block of the present invention.
In the figure:
1. a protective housing; 101. a card slot; 2. sliding the connecting block; 201. fixing the clamping strip; 202. connecting the copper column; 203. a limiting column; 3. a connecting pipe; 301. a resistance strip; 4. an extension tube; 5. detecting a needle head; 501. connecting blocks; 6. a first spring; 7. a control panel; 701. a power supply lead; 8. a positioning tube; 9. a compression plate; 901. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Examples
As shown in fig. 1 to 9, the present invention provides an adjustable probe, which includes a protective casing 1;
the main body of the protective shell 1 is of a hollow tubular structure, a through hole is formed in the lower end face of the protective shell 1, four clamping grooves 101 are formed in the surface of the through hole, the four clamping grooves 101 are arranged in an annular structure, a control board 7 is installed on the upper end face of a cavity in the protective shell 1, and two power supply leads 701 are arranged on the outer end face of the control board 7;
the sliding connecting block 2 is in a step shape, and the sliding connecting block 2 is slidably clamped in a cavity in the protective shell 1;
the connecting pipe 3 is fixedly arranged on the upper end face of the protective shell 1, and an internal thread is formed in the inner end face of the connecting pipe 3;
the inner diameter of the extension pipe 4 is the same as that of the protective shell 1, and two groups of extension pipes 4 are arranged;
the detection device comprises a detection needle head 5, wherein a connecting block 501 is arranged on the upper end face of the detection needle head 5, and an external thread is arranged on the outer end face of the connecting block 501;
the first spring 6 is arranged in a cavity inside the protective shell 1, the upper end face of the first spring 6 is fixedly connected with the control plate 7, and the lower end face of the first spring 6 is fixedly connected with the sliding connecting block 2;
the registration arm 8, the 8 symmetries of registration arm are equipped with two sets ofly, and 8 fixed mounting of registration arm are at the up end of protecting sheathing 1, and registration arm 8 cup joints in power wire 701's outside, and 8 internally mounted of registration arm have three stop gear of group, and three stop gear of group are the loop configuration setting.
Wherein, four fixing clip strips 201 are installed to the outer terminal surface of slip even piece 2, and four fixing clip strips 201 are the loop configuration setting, and fixing clip strip 201 slip card dress is in the inside draw-in groove 101 of protective housing 1.
By adopting the scheme, the technical effects are as follows: four fixing card strips 201 of the outer end face of the sliding connecting block 2 are slidably clamped in the clamping groove 101 in the protective shell 1, so that when the sliding connecting block 2 moves up and down in the cavity in the protective shell 1, the sliding connecting block 2 cannot generate the phenomenon of left-right shaking, the vertical up-and-down motion of the sliding connecting block 2 in the cavity in the protective shell 1 can be guaranteed, when the sliding connecting block 2 moves up and down vertically, the first spring 6 cannot generate the phenomenon of distortion, and the effect of protecting the first spring 6 is achieved.
Wherein, a spacing post 203 is still installed to the up end of slip even piece 2, and the length of spacing post 203 is half of protective housing 1 length, and the outer terminal surface and the first spring 6 laminating of spacing post 203, the outer end of first spring 6 and the inner wall laminating of protective housing 1.
By adopting the scheme, the technical effects are as follows: first spring 6 joint is in the space between spacing post 203 and protective housing 1 for when first spring 6 atress compressed, first spring 6 is perpendicular up-and-down motion, can reduce the error that detects.
Wherein, a device groove has been seted up to the lower terminal surface of slip even piece 2, and the inner wall in device groove is seted up there is the internal thread, and the inside in device groove still installs one and connects copper post 202, and a recess has been seted up on the surface of connecting block 501, and connecting block 501 threaded connection is in the device groove on slip even piece 2 surface, and the internal diameter of connecting block 501 surface recess is the same with the external diameter of connecting copper post 202.
By adopting the scheme, the technical effects are as follows: the probe can be divided into chisel shape needle, spherical needle, cockscomb structure needle, three claw needles etc. according to the shape of detection syringe needle 5, and when detecting different objects, will use different detection syringe needles 5, in this device, the connecting block 501 threaded connection of detection syringe needle 5 upper end is in the device groove on even piece 2 surfaces of slip, make the workman when detecting different objects, can change different detection syringe needles 5, thereby can improve the practicality of probe, thereby can reduce the waste, improve the utilization ratio of resource, and the cost is reduced.
Wherein, stop gear includes: the inner end face of the compression plate 9 is of an arc-shaped structure, and the compression plate 9 is attached to the power supply lead 701; two groups of second springs 901 are arranged, the lower end face of each second spring 901 is fixedly connected with the pressing plate 9, and the upper end face of each second spring 901 is fixedly connected with the inner wall of the positioning tube 8.
By adopting the scheme, the technical effects are as follows: the upper end face of the control board 7 is provided with two power supply leads 701, the power supply leads 701 penetrate through the upper end face of the protective shell 1 and are clamped inside the positioning tube 8, a worker can move the power supply leads 701 during testing, a plastic protective sleeve is arranged outside the power supply leads 701, when the power supply leads 701 rotate, the plastic protective sleeve at the contact part of the power supply leads 701 and the protective shell 1 can generate plastic fatigue, thereby causing the phenomenon that the plastic outside the power lead 701 cracks, and through the arrangement of the two second springs 901 on the upper end surface of the pressure strip 9, when the power lead 701 rotates, the pressing plate 9 will be closely attached to the power lead 701 under the action of the elastic force of the second spring 901, and the pressure strip 9 can also limit the rotation amplitude of the power supply lead 701, so as to protect the power supply lead 701, and the lower end surface of the pressure strip 9 is of an arc-shaped structure, so that the contact area between the pressure strip 9 and the power supply lead 701 can be increased.
Wherein, the external screw thread has been seted up to the lower terminal surface of extension pipe 4, and the internal thread has been seted up to the up end of extension pipe 4, and the lower extreme and the 3 threaded connection of connecting pipe of extension pipe 4.
By adopting the scheme, the technical effects are as follows: when testing the circuit board of machine inside, some circuit boards are located the inside of machine, and the length of protecting sheathing 1 is not enough, need prolong the length of protecting sheathing 1 this moment, setting through extension pipe 4 lower extreme and 3 threaded connection of connecting pipe, make the workman can be with extension pipe 4 threaded connection on connecting pipe 3, and the external screw thread has been seted up to the lower extreme of extension pipe 4, the internal thread has been seted up to the upper end of extension pipe 4, the workman still can be with the internal thread connection of extension pipe 4 upper end in the external screw thread of another extension pipe 4 lower extreme, thereby link together two extension pipes 4, make the workman can come nimble adjustment protecting sheathing 1 and extension pipe 4's total length according to the circumstances at scene, the normal clear of the test work of being convenient for.
Wherein, the outer terminal surface of connecting pipe 3 is evenly installed resistance strip 301, and the outer terminal surface of resistance strip 301 is the arc structure.
By adopting the scheme, the technical effects are as follows: the main part of the protective housing 1 is a cylindrical structure, so that a worker can easily slip when taking the protective housing 1, and the friction force between the hand of the worker and the connecting pipe 3 can be increased by setting the resistance strips 301 at the outer end of the connecting pipe 3, so that the slipping phenomenon can be prevented when the worker takes the device, and the worker can conveniently install the extension pipe 4 in the connecting pipe 3.
When in use: through the arrangement that the four fixing clamping strips 201 on the outer end face of the sliding connecting block 2 are slidably clamped in the clamping grooves 101 in the protective shell 1, when the sliding connecting block 2 moves up and down in the cavity in the protective shell 1, the sliding connecting block 2 does not shake left and right, the vertical up-and-down movement of the sliding connecting block 2 in the cavity in the protective shell 1 can be ensured, when the sliding connecting block 2 moves vertically up and down, the first spring 6 does not twist, the first spring 6 is protected, the probe can be divided into a chisel needle, a spherical needle, a zigzag needle, a three-claw needle and the like according to the shape of the detection needle head 5, when different objects are detected, different detection needle heads 5 can be used, in the device, the connecting block 501 of the detection needle head 5 is in a device groove in the surface of the sliding connecting block 2 in a threaded manner, so that a worker can detect different objects, the utility model has the advantages that different detection needle heads 5 can be replaced, the practicability of the probe can be improved, the waste can be reduced, the resource utilization rate can be improved, and the cost can be reduced, two power supply leads 701 are arranged on the upper end face of the control panel 7, the power supply leads 701 pass through the upper end face of the protective shell 1 and are clamped inside the positioning tube 8, a worker can move the power supply leads 701 during the test, a plastic protective sleeve is arranged outside the power supply leads 701, when the power supply leads 701 rotate, the plastic protective sleeve at the contact part of the power supply leads 701 and the protective shell 1 can generate the phenomenon of plastic fatigue, so that the phenomenon of plastic cracking outside the power supply leads 701 can be caused, through the arrangement of two second springs 901 on the upper end face of the compression plate 9, when the power supply leads 701 rotate, the compression plate 9 can be tightly attached to the power supply leads 701 under the action of the elastic force of the second springs 901, and the compression plate 9 can limit the rotation amplitude of the power supply leads 701, the protection device has the advantages that the protection device has the effect of protecting the power supply lead 701, the lower end face of the pressing plate 9 is of an arc-shaped structure, the contact area between the pressing plate 9 and the power supply lead 701 can be increased, when a circuit board in the machine is tested, some circuit boards are positioned in the machine, the length of the protection shell 1 is not enough, the length of the protection shell 1 needs to be prolonged, through the arrangement of the lower end of the extension pipe 4 and the connecting pipe 3 in threaded connection, a worker can connect the extension pipe 4 to the connecting pipe 3 in a threaded manner, the lower end of the extension pipe 4 is provided with an external thread, the upper end of the extension pipe 4 is provided with an internal thread, the worker can also connect the internal thread at the upper end of the extension pipe 4 to the external thread at the lower end of the other extension pipe 4, so that the two extension pipes 4 are connected together, and the worker can flexibly adjust the total length of the protection shell 1 and the extension pipe 4 according to the situation on site, the normal clear of the test of being convenient for, 1 main part of protective housing is cylindrical structure, and the workman appears the phenomenon of skidding easily when to taking protective housing 1, through the setting of 3 outer end resistance strips 301 of connecting pipe for the workman can increase the frictional force between workman's hand and the connecting pipe 3 when this device of taking, prevents the phenomenon of skidding, and the workman of being convenient for will extend pipe 4 and install the inside at connecting pipe 3.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
Although embodiments of the present invention have been shown and described, 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 (8)
1. An adjustable probe, characterized in that: the method comprises the following steps:
the protection device comprises a protection shell (1), wherein the main body of the protection shell (1) is of a hollow tubular structure, a through hole is formed in the lower end face of the protection shell (1), four clamping grooves (101) are formed in the surface of the through hole, the four clamping grooves (101) are arranged in an annular structure, a control panel (7) is installed on the upper end face of an inner cavity of the protection shell (1), and two power supply leads (701) are arranged on the outer end face of the control panel (7);
the sliding connecting block (2) is in a step shape, and the sliding connecting block (2) is slidably clamped in a cavity in the protective shell (1);
the connecting pipe (3) is fixedly arranged on the upper end face of the protective shell (1), and an internal thread is formed in the inner end face of the connecting pipe (3);
the inner diameter of the extension pipes (4) is the same as that of the protective shell (1), and two groups of extension pipes (4) are arranged;
the detection device comprises a detection needle head (5), wherein a connecting block (501) is installed on the upper end face of the detection needle head (5), and an external thread is formed on the outer end face of the connecting block (501);
the first spring (6) is arranged in a cavity inside the protective shell (1), the upper end face of the first spring (6) is fixedly connected with the control plate (7), and the lower end face of the first spring (6) is fixedly connected with the sliding connecting block (2);
registration arm (8), registration arm (8) symmetry is equipped with two sets ofly, and registration arm (8) fixed mounting is in the up end of protecting sheathing (1), and registration arm (8) cup joint in the outside of power wire (701), and registration arm (8) internally mounted has three stop gear of group, and three stop gear of group are the loop configuration setting.
2. The adjustable probe according to claim 1, wherein: four fixing clamp strips (201) are installed on the outer end face of the sliding connecting block (2), the four fixing clamp strips (201) are arranged in an annular structure, and the fixing clamp strips (201) are slidably clamped in clamping grooves (101) in the protective shell (1).
3. The adjustable probe according to claim 1, wherein: the upper end face of the sliding connecting block (2) is further provided with a limiting column (203), the length of the limiting column (203) is half of the length of the protective shell (1), the outer end face of the limiting column (203) is attached to the first spring (6), and the outer end of the first spring (6) is attached to the inner wall of the protective shell (1).
4. The adjustable probe according to claim 1, wherein: the lower end face of the sliding connecting block (2) is provided with a device groove, the inner wall of the device groove is provided with internal threads, and a connecting copper column (202) is further arranged inside the device groove.
5. The adjustable probe according to claim 4, wherein: the surface of the connecting block (501) is provided with a groove, the connecting block (501) is in threaded connection with the device groove on the surface of the sliding connecting block (2), and the inner diameter of the groove on the surface of the connecting block (501) is the same as the outer diameter of the connecting copper column (202).
6. The adjustable probe according to claim 1, wherein: the stop gear includes:
the inner end face of the pressing plate (9) is of an arc-shaped structure, and the pressing plate (9) is attached to the power supply lead (701);
the two groups of second springs (901) are arranged, the lower end face of each second spring (901) is fixedly connected with the pressing plate (9), and the upper end face of each second spring (901) is fixedly connected with the inner wall of the positioning pipe (8).
7. The adjustable probe according to claim 1, wherein: the lower end face of the extension pipe (4) is provided with an external thread, the upper end face of the extension pipe (4) is provided with an internal thread, and the lower end of the extension pipe (4) is in threaded connection with the connecting pipe (3).
8. The adjustable probe according to claim 1, wherein: resistance strips (301) are uniformly arranged on the outer end face of the connecting pipe (3), and the outer end face of each resistance strip (301) is of an arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210860130.7A CN114966144B (en) | 2022-07-22 | 2022-07-22 | Adjustable probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210860130.7A CN114966144B (en) | 2022-07-22 | 2022-07-22 | Adjustable probe |
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| Publication Number | Publication Date |
|---|---|
| CN114966144A true CN114966144A (en) | 2022-08-30 |
| CN114966144B CN114966144B (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210860130.7A Active CN114966144B (en) | 2022-07-22 | 2022-07-22 | Adjustable probe |
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| CN114966144B (en) | 2022-10-28 |
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