CN215066898U

CN215066898U - Oscilloscope probe

Info

Publication number: CN215066898U
Application number: CN202120771236.0U
Authority: CN
Inventors: 郝春华
Original assignee: Qingdao Hantai Intelligent Technology Co ltd
Current assignee: Qingdao Hantai Intelligent Technology Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-12-07
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses an oscilloscope probe relates to ripples ware probe technical field, including probe main part, probe hook mechanism and kayser mechanism, the go-between has been cup jointed to the outer wall of probe main part, the outer wall connection of go-between has earth conductor, earth conductor keeps away from the one end of go-between and is connected with the probe cap, the inside in overlap groove is provided with the overlap groove, accomodates the hole, accomodate the bottom that the hole site overlaps the groove, overlap inslot wall one side and be close to top position department and be provided with flexible groove. The utility model discloses a set up the interconnect of earth conductor and probe cap and can avoid the probe cap to take place to lose the phenomenon, flexible post can realize automatic flexible function under the mutually supporting of slide, expanding spring in addition, and the block through flexible post and ring channel can realize that the quick connection of probe cap and probe main part is fixed, can effectively avoid the probe cap to lose through the mutually supporting of above a plurality of parts, and can be better protect the probe main part.

Description

Oscilloscope probe

Technical Field

The utility model relates to a ripples ware probe technical field specifically is an oscilloscope probe.

Background

An oscilloscope is an instrument for measuring the waveform of alternating current or pulse current, and can convert an invisible electric signal into a visible image, thereby facilitating the research of the change process of various electric phenomena. The probes of an oscilloscope are typically pen-like structures that function to establish a physical and electrical connection between a test point or signal source and the oscilloscope.

The oscilloscope probe in the prior art can be protected by the probe cap when in use, but the probe cap needs to be taken down when the probe works, and the phenomenon of loss easily occurs in the use process because the probe cap is not connected with the probe, thereby influencing the protection operation of the oscilloscope probe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that a probe cap is easy to lose, the oscilloscope probe is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oscilloscope probe, includes probe main part, probe hook mechanism and kayser mechanism, the go-between has been cup jointed to the outer wall of probe main part, the outer wall connection of go-between has earth conductor, earth conductor keeps away from the one end of go-between and is connected with the probe cap, the inside in cover groove is provided with the cover groove, accomodates the hole, accomodate the bottom that the hole is located the cover groove, cover inslot wall one side is close to top position department and is provided with flexible groove, the below that the inner wall both sides in cover groove are located flexible groove is provided with spacing spout, the inner wall of a spacing spout is provided with fixed guide plate, another spacing spout runs through to the lateral surface of outer wall of probe cap, probe hook mechanism is located the cover inslot portion and runs through to accomodating downthehole portion, kayser mechanism is located flexible inslot portion.

As a further aspect of the present invention: probe hook mechanism includes top plate, spacing gleitbretter, probe post, reset spring, fixed hook and fly hook, the top plate cup joints each other with the inner wall in grafting groove, spacing gleitbretter is located the outer wall both sides of top plate, spacing gleitbretter cup joints each other with the inner wall of spacing spout, probe post, reset spring are located the bottom of top plate, reset spring cup joints each other with the outer wall of probe post, the bottom of probe post runs through the grafting groove and is connected with fixed hook, fly hook to accomodating downthehole portion, fixed hook, fly hook are located the both sides of probe post bottom respectively.

As a further aspect of the present invention: the clamping and locking mechanism comprises a telescopic column, a fixed ring piece, a sliding piece and a telescopic spring, wherein the telescopic column, the fixed ring piece, the sliding piece and the telescopic spring are located in a telescopic groove, the telescopic column and the telescopic spring are respectively located on two sides of the sliding piece, the fixed ring piece is located on one side, away from the telescopic spring, of the sliding piece and is mutually sleeved with the outer wall of the telescopic column, the fixed ring piece is fixedly connected with the inner wall of the telescopic groove, and one side, away from the sliding piece, of the telescopic column runs through the telescopic groove to the inside of the sleeved groove.

As a further aspect of the present invention: the inner wall diameter of accomodating the hole is less than the inner wall diameter of cup jointing groove bottom, reset spring's outer wall diameter slightly is less than the inner wall diameter of cup jointing groove and is greater than the inner wall diameter of accomodating the hole.

As a further aspect of the present invention: the fixed hook is fixedly connected with the probe column, the movable hook is rotatably connected with the probe column through a rotating shaft and a connecting seat, and the movable hook is connected with the fixed hook through a compression spring.

As a further aspect of the present invention: the ground lead is connected with the fixed ring piece through the inner lead, the sliding piece is connected with the fixed guide piece through the inner lead, the two limiting sliding pieces are arranged, one side, away from the top piece, of each limiting sliding piece is tightly attached to the fixed guide piece, and the other limiting sliding piece penetrates through the limiting sliding groove to the outside of the probe cap.

As a further aspect of the present invention: the bottom outer wall of probe main part and the inner wall phase-match in cover groove, probe main part outer wall side is close to bottom position department and is provided with the ring channel, the inner wall height of ring channel is greater than the outer wall diameter of flexible post.

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

1. the mutual connection of the grounding lead and the probe cap can avoid the probe cap from being lost, in addition, the telescopic column can realize the automatic telescopic function under the mutual cooperation of the sliding sheet and the telescopic spring, the quick connection and fixation of the probe cap and the probe body can be realized through the clamping of the telescopic column and the annular groove, the probe cap can be effectively prevented from being lost through the mutual cooperation of the plurality of parts, and the probe body can be better protected;

2. through setting up the fixed ring piece, the slide, the electric connection of earth conductor and fixed hook can be realized to fixed guide and spacing gleitbretter, earth conductor is the connection and switch on state with the fixed hook when probe cap and the separation of probe main part, probe hook mechanism can regard as the earthing terminal to use this moment, when probe cap cup joints with the probe main part each other, flexible post receives the extrusion and can make slide and fixed guide alternate segregation, earth conductor is the off-state with the fixed hook promptly, and probe main part and top flat closely laminate, accessible probe hook mechanism carries out the calibration operation of probe this moment, can make probe hook mechanism can realize multiple functions through the mutually supporting of above a plurality of parts, the practicality of probe has effectively been improved.

Drawings

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

FIG. 2 is a schematic view showing the probe body and the probe cap of the present invention in a separated state;

FIG. 3 is a cross-sectional exploded view of a probe cap of the present invention;

FIG. 4 is an enlarged view of the position A of the present invention;

FIG. 5 is an enlarged view of the position B of the present invention;

fig. 6 is an exploded view of the probe hook mechanism of the present invention;

fig. 7 is an enlarged view of the position C of the present invention.

In the figure: 1. a probe body; 101. an annular groove; 2. a connecting ring; 3. a ground lead; 4. a probe cap; 401. a sleeving groove; 4011. a limiting chute; 4012. a telescopic groove; 402. a receiving hole; 5. a probe hook mechanism; 501. a topsheet; 502. a limiting sliding sheet; 503. a probe post; 504. a return spring; 505. a fixed hook; 506. a movable hook; 6. a latch mechanism; 601. a telescopic column; 602. a fixed ring sheet; 603. a slide sheet; 604. a tension spring; 7. and fixing the guide vane.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1 to 7, in an embodiment of the present invention, an oscilloscope probe comprises a probe body 1, a probe hook mechanism 5 and a locking mechanism 6, wherein a connection ring 2 is sleeved on an outer wall of the probe body 1, an earth wire 3 is connected to an outer wall of the connection ring 2, a probe cap 4 is connected to an end of the earth wire 3 away from the connection ring 2, a sleeving groove 401 is disposed inside the sleeving groove 401, accomodate hole 402, accomodate hole 402 and be located the bottom of cup joint groove 401, cup joint groove 401 inner wall one side and be close to top position department and be provided with flexible groove 4012, the below that the inner wall both sides that cup joint groove 401 are located flexible groove 4012 is provided with spacing spout 4011, a spacing spout 4011's inner wall is provided with fixed guide vane 7, another spacing spout 4011 runs through to the outer wall side of probe cap 4, probe hook mechanism 5 is located cup joint groove 401 inside and runs through to accomodating inside hole 402, latch mechanism 6 is located flexible groove 4012 inside.

Please refer to fig. 3, fig. 6 and fig. 7, the probe hook mechanism 5 includes a top plate 501, a limiting sliding piece 502, a probe post 503, a return spring 504, a fixed hook 505 and a movable hook 506, the top plate 501 is sleeved with the inner wall of the sleeving groove 401, the limiting sliding piece 502 is located at two sides of the outer wall of the top plate 501, the limiting sliding piece 502 is sleeved with the inner wall of the limiting sliding groove 4011, the probe post 503 and the return spring 504 are located at the bottom end of the top plate 501, the return spring 504 is sleeved with the outer wall of the probe post 503, the bottom end of the probe post 503 penetrates through the sleeving groove 401 to the inside of the receiving hole 402 to be connected with the fixed hook 505 and the movable hook 506, the fixed hook 505 and the movable hook 506 are located at two sides of the bottom end of the probe post 503 respectively, the calibration operation of the oscilloscope probe can be facilitated by the probe hook mechanism 5, and the probe hook mechanism 5 can be used as a ground terminal when the probe cap 4 and the probe body are separated from each other.

Please refer to fig. 3 to 4, the latch mechanism 6 includes a telescopic post 601, a fixed ring 602, a sliding piece 603 and a telescopic spring 604, the telescopic post 601, the fixed ring 602, the sliding piece 603 and the telescopic spring 604 are located inside the telescopic slot 4012, the telescopic post 601 and the telescopic spring 604 are respectively located at two sides of the sliding piece 603, the fixed ring 602 is located at one side of the sliding piece 603 away from the telescopic spring 604 and is sleeved with an outer wall of the telescopic post 601, the fixed ring 602 is fixedly connected with an inner wall of the telescopic slot 4012, one side of the telescopic post 601 away from the sliding piece 603 penetrates through the telescopic slot 4012 to the inside of the sleeved slot 401, the probe cap 4 and the probe body 1 can be conveniently and quickly connected and detached by the latch mechanism 6, and meanwhile, the connection and disconnection state switching operation of the probe hook mechanism 5 and the ground wire 3 can be realized by the latch mechanism 6.

Please refer to fig. 3, the diameter of the inner wall of the receiving hole 402 is smaller than the diameter of the inner wall of the bottom end of the receiving groove 401, the diameter of the outer wall of the return spring 504 is smaller than the diameter of the inner wall of the receiving groove 401 and larger than the diameter of the inner wall of the receiving hole 402, the top plate 501 can be pressed by the return spring 504 when pressed, the return spring 504 can automatically return the top plate 501 when the top plate 501 loses the pressing force, and thus the automatic return function of the probe hook mechanism 5 is realized.

Please refer to fig. 7, the fixed hook 505 is fixedly connected to the probe post 503, the movable hook 506 is rotatably connected to the probe post 503 through a rotating shaft and a connecting seat, and the movable hook 506 is connected to the fixed hook 505 through a compression spring, so that the opening and closing functions of the fixed hook 505 and the movable hook 506 can be realized through the structure.

Please refer to fig. 3-5, the ground wire 3 is connected to the fixed ring 602 through an internal wire, the sliding piece 603 is connected to the fixed guide piece 7 through an internal wire, two limiting sliding pieces 502 are provided, one side of one of the limiting sliding pieces 502 far away from the top plate 501 is tightly attached to the fixed guide piece 7, the other limiting sliding piece 502 penetrates through the limiting sliding groove 4011 to the outside of the probe cap 4, the ground wire 3 and the fixed hook 505 can be electrically connected through the structure, and the sliding operation of the probe hook mechanism 5 can be performed through the limiting sliding piece 502 penetrating to the outside of the probe cap 4.

Please refer to fig. 2-4, the outer wall of the bottom end of the probe body 1 is matched with the inner wall of the socket groove 401, the annular groove 101 is arranged at the position of the side surface of the outer wall of the probe body 1 close to the bottom end, the inner wall of the annular groove 101 is higher than the diameter of the outer wall of the telescopic column 601, and the telescopic column 601 can be fixed to be capable of moving up and down along the track of the inner wall of the annular groove 101 by the mutual engagement of the telescopic column 601 and the annular groove 101.

The utility model discloses a theory of operation is: when the oscilloscope probe is used, the bottom end of the probe body 1 can be protected by the probe cap 4, the probe cap 4 and the probe body 1 can be stably connected by the mutual clamping of the telescopic column 601 and the annular groove 101, at the moment, a clearance space is reserved between the top end of the probe cap 4 sleeved with the groove 401 and the probe body 1, namely, the probe cap 4 can continuously move upwards along the inner wall of the probe body 1, in addition, the telescopic column 601 is extruded by the probe body 1 to shrink for a certain distance towards the inside of the telescopic groove 4012, at the moment, a clearance exists between the sliding sheet 603 and the fixed annular sheet 602 to be in a separated state, namely, the grounding lead 3 and the fixed hook 505 are in a disconnected state, at the same time, the bottom end of the probe body 1 and the top sheet 501 are in a mutually attached state, namely, at the moment, the calibration operation of the probe can be carried out by the probe hook mechanism 5, when the calibration of the probe is needed, the probe cap 4 is pulled towards the probe body 1, the probe body 1 can extrude the top plate 501, the top plate 501 can push the fixed hook 505 and the movable hook 506 to be pushed out of the probe cap 4 from the accommodating hole 402 through the probe column 503, the movable hook 506 can automatically rotate under the action of the compression spring to be separated from the fixed hook 505, at the moment, the fixed hook 505 can be connected with the oscilloscope, then the probe cap 4 is released, the top plate 501 can automatically reset under the action of the reset spring 504, the movable hook 506 can be extruded at the bottom end of the probe cap 4 in the process, the movable hook 506 can rotate to be connected and closed with the fixed hook 505, at the moment, a ring body formed by the movable hook 506 and the fixed hook 505 is completely sleeved with the oscilloscope and can not fall off, at the moment, the calibration operation of the probe can be started, and after the calibration operation is finished, the movable hook 506 and the fixed hook 505 can be separated from the oscilloscope only by pulling the probe cap 4 to be separated from each other and opened, when the probe body 1 works, the probe cap 4 can be taken down, at the moment, the telescopic column 601 has no external pressure, the sliding sheet 603 is tightly attached to the fixed ring sheet 602 under the action of the telescopic spring 604, namely, the grounding lead 3 and the fixed hook 505 are in a mutually connected and conducted state, at the moment, the probe hook mechanism 5 can be used as a grounding end, the top sheet 501 is pushed to move downwards through the limiting sliding sheet 502 penetrating to the outside of the probe cap 4, when the fixed hook 505 and the movable hook 506 move to the outside of the probe cap 4, the middle positions of the fixed hook 505 and the movable hook 506 are aligned to positions to be clamped, the limiting sliding sheet 502 is loosened, the fixed hook 505 and the movable hook 506 can be clamped at a specified position, at the moment, the measurement operation can be carried out, and in addition, the probe cap 4 can be prevented from being lost in the daily use process through the mutual connection of the grounding lead 3 and the probe cap 4.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The oscilloscope probe comprises a probe main body (1), a probe hook mechanism (5) and a clamping and locking mechanism (6), and is characterized in that a connecting ring (2) is sleeved on the outer wall of the probe main body (1), a grounding conductor (3) is connected to the outer wall of the connecting ring (2), one end, far away from the connecting ring (2), of the grounding conductor (3) is connected with a probe cap (4), a sleeving groove (401) and a containing hole (402) are arranged inside the sleeving groove (401), the containing hole (402) is located at the bottom end of the sleeving groove (401), a telescopic groove (4012) is arranged at a position close to the top end on one side of the inner wall of the sleeving groove (401), limiting sliding grooves (4011) are arranged below the telescopic groove (4012) on two sides of the inner wall of the sleeving groove (401), a fixed guide vane (7) is arranged on the inner wall of one limiting sliding groove (4011), and the other limiting sliding groove (4011) penetrates through the side surface of the probe cap (4), the probe hook mechanism (5) is located inside the sleeving groove (401) and penetrates into the accommodating hole (402), and the locking mechanism (6) is located inside the telescopic groove (4012).

2. The oscilloscope probe according to claim 1, wherein the probe hook mechanism (5) comprises a top plate (501), a limiting sliding piece (502), a probe post (503), a return spring (504), a fixed hook (505) and a movable hook (506), the top plate (501) is sleeved with the inner wall of the sleeving groove (401), the limiting sliding piece (502) is positioned on two sides of the outer wall of the top plate (501), the limiting sliding piece (502) is sleeved with the inner wall of the limiting sliding groove (4011), the probe post (503) and the return spring (504) are positioned at the bottom end of the top plate (501), the return spring (504) is sleeved with the outer wall of the probe post (503), the bottom end of the probe post (503) penetrates through the sleeving groove (401) to the inside of the receiving hole (402) to be connected with the fixed hook (505) and the movable hook (506), and the fixed hook (505) and the movable hook (506), The movable hooks (506) are respectively positioned at two sides of the bottom end of the probe column (503).

3. The oscilloscope probe according to claim 1, wherein the latch mechanism (6) comprises a telescopic column (601), a fixed ring plate (602), a sliding plate (603) and a telescopic spring (604), the telescopic column (601), the fixed ring plate (602), the sliding plate (603) and the telescopic spring (604) are located inside a telescopic groove (4012), the telescopic column (601) and the telescopic spring (604) are respectively located on two sides of the sliding plate (603), the fixed ring plate (602) is located on one side of the sliding plate (603) far away from the telescopic spring (604) and is sleeved with the outer wall of the telescopic column (601), the fixed ring plate (602) is fixedly connected with the inner wall of the telescopic groove (4012), and one side of the telescopic column (601) far away from the sliding plate (603) penetrates through the telescopic groove (4012) to the inside of the sleeved groove (401).

4. The oscilloscope probe according to claim 2, wherein the diameter of the inner wall of the receiving hole (402) is smaller than that of the inner wall of the bottom end of the sleeving groove (401), and the diameter of the outer wall of the return spring (504) is slightly smaller than that of the inner wall of the sleeving groove (401) and larger than that of the inner wall of the receiving hole (402).

5. The oscilloscope probe according to claim 2, wherein the fixed hook (505) is fixedly connected with the probe column (503), the movable hook (506) is rotatably connected with the probe column (503) through a rotating shaft and a connecting seat, and the movable hook (506) is connected with the fixed hook (505) through a compression spring.

6. The oscilloscope probe according to claim 3, wherein the grounding wire (3) is connected with the fixed ring sheet (602) through an internal wire, the sliding sheet (603) is connected with the fixed guide sheet (7) through an internal wire, two limiting sliding sheets (502) are provided, one side of one limiting sliding sheet (502) far away from the top sheet (501) is tightly attached to the fixed guide sheet (7), and the other limiting sliding sheet (502) penetrates through the limiting sliding groove (4011) to the outside of the probe cap (4).

7. The oscilloscope probe according to claim 3, wherein the outer wall of the bottom end of the probe main body (1) is matched with the inner wall of the sleeving groove (401), the annular groove (101) is arranged on the side surface of the outer wall of the probe main body (1) close to the bottom end, and the height of the inner wall of the annular groove (101) is larger than the diameter of the outer wall of the telescopic column (601).