Probe

Abstract

The utility model discloses a probe which comprises a probe head, the top of the probe head is sleeved with an outer sleeve, the bottom of the outer sleeve is provided with a protection assembly used for protecting the probe head, the protection assembly comprises a protection cylinder arranged at the bottom of the probe head in a sleeved mode, and the top of the protection cylinder is provided with a moving assembly used for moving the protection cylinder. The moving assembly comprises a sliding ring fixedly connected to the top end of the protection barrel, and a first spring used for pushing the sliding ring is arranged at the top of the sliding ring. According to the probe provided by the utility model, through the cooperation of the protective cylinder, the sliding ring, the first spring and the limiting piece, the probe is protected through the protective cylinder when the probe does not need to be used, the probe is moved towards an object when the probe needs to be used, and when the probe is moved, the protective cylinder is pushed upwards when the protective cylinder firstly extrudes the object, so that the probe is prevented from being damaged. When the probe is used, the probe located in the protective cylinder is exposed to detect an object, and when the probe does not need to be used, the protective cylinder is reset through the first spring, and the probe is protected again.

Description

Technical Field

[0001] The utility model relates to the technical field of probes, in particular to a probe. Background Art

[0002] The quality of semiconductor devices such as semiconductor chips or wafers is tested, and a test probe is used to electrically connect a tester and the semiconductor devices. The tester tests the quality of semiconductor devices such as semiconductor chips or wafers by applying a predetermined test signal.

[0003] When testing semiconductor chips, the traditional testing method is to perform touch testing through the detection probe at one end of the probe, but the traditional probe probe is directly exposed to the outside. When in use, there is a situation where other objects directly hit the probe, causing the probe on the probe to be hit and bent. Utility Model Content

[0004] The purpose of the utility model is to provide a probe to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a probe, comprising a probe, the top of the probe is provided with an outer sleeve, the bottom of the outer sleeve is provided with a protective component for protecting the probe, the protective component comprises a protective tube mounted on the bottom of the probe, the top of the protective tube is provided with a moving component for moving the protective tube, the moving component comprises a sliding ring fixedly connected to the top of the protective tube, the top of the sliding ring is provided with a first spring for pushing the sliding ring, and the bottom of the sliding ring is provided with a limiting member for limiting the moving distance of the sliding ring.

[0006] Preferably, the probe is inserted and connected in the middle part of the first spring, a through hole is opened on the inner wall of the bottom end of the outer sleeve, the limiting member includes a fixed tube inserted and connected in the through hole, the sliding ring is inserted and connected inside the fixed tube, and a retaining ring is fixedly connected to the bottom of the fixed tube for limiting the downward movement of the sliding ring.

[0007] Preferably, the protective tube is inserted and connected in the middle of the retaining ring.

[0008] Preferably, a slider is fixedly connected to the top of the probe, one end of the first spring away from the sliding ring is fixedly connected to the bottom end of the slider, the slider is slidably inserted into the interior of the outer sleeve, a positioning column is fixedly connected to the inner wall in the middle of the outer sleeve, and a pushing member is provided on the side of the positioning column opposite to the slider.

[0009] Preferably, the pushing member comprises a second spring fixedly connected to the bottom end of the positioning column, and one end of the second spring away from the positioning column is fixedly connected to the top end of the sliding block.

[0010] Preferably, a transmission component for signal transmission is arranged between the slider and the positioning column, and the transmission component includes an upper contact piece fixedly connected to the bottom end of the positioning column, and the upper contact piece is inserted and connected to the middle part of the top end of the second spring, and the top end of the slider is fixedly connected to a lower contact piece, and the lower contact piece is inserted and connected to the middle part of the bottom end of the second spring.

[0011] Technical effects and advantages of the utility model:

[0012] The probe, through the cooperation of a protective tube, a sliding ring, a first spring and a limiting member, protects the probe through the protective tube when the probe is not needed. When the probe is needed, the probe is moved toward an object. When moving, the protective tube is first squeezed against the object, and the protective tube is pushed upward, so that the probe inside the protective tube leaks out to detect the object. When it is not needed, the protective tube is returned to its original position by the first spring to protect the probe again. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front sectional structural schematic diagram of the utility model.

[0014] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A.

[0015] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model.

[0016] In the figure: 1. probe; 2. slider; 3. protective tube; 4. sliding ring; 5. first spring; 6. fixed tube; 7. outer sleeve; 8. positioning cylinder; 9. second spring; 10. lower contact piece; 11. upper contact piece; 12. retaining ring. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] The utility model provides Figure 1-3A probe shown in the figure includes a probe 1, the top of the probe 1 is provided with an outer sleeve 7, the bottom of the outer sleeve 7 is provided with a protective component for protecting the probe 1, the protective component includes a protective tube 3 provided on the bottom of the probe 1, the top of the protective tube 3 is provided with a moving component for moving the protective tube 3, the moving component includes a sliding ring 4 fixedly connected to the top of the protective tube 3, the top of the sliding ring 4 is provided with a first spring 5 for pushing the sliding ring 4, and the bottom of the sliding ring 4 is provided with a limiting member for limiting the moving distance of the sliding ring 4.

[0019] It should be noted that the probe is used in a manner that the probe 1 directly contacts the electrode or pin on the chip, and the performance of the chip is detected by measuring the current, voltage and other electrical parameters. The probe 1 is cylindrical and semicircular. The semicircular setting can prevent the pointed probe 1 from poking the detected object. The protective tube 3 is cylindrical. The length of the protective tube 3 is longer than the probe 1, and it is sleeved on the outside of the probe 1 to protect the probe 1. The first spring 5 is used to push the sliding ring 4 located at the top of the protective tube 3 downward, so that when the protective tube 3 moves upward and loses thrust, the sliding ring 4 is pushed downward by the first spring 5 to push the sliding ring 4 to the top of the limiting member, thereby completing the resetting of the protective tube 3.

[0020] Furthermore, when the probe 1 is not needed, the probe 1 is protected by the protective tube 3. When the probe 1 is needed, the probe 1 is moved toward the object. When moving, the protective tube 3 is first squeezed with the object, and the protective tube 3 is pushed upward, so that the probe 1 located in the protective tube 3 is leaked out to detect the object. When it is not needed, the protective tube 3 is returned to its original position by the first spring 5, and the probe 1 is protected again.

[0021] Specifically, the probe 1 is inserted and connected in the middle of the first spring 5, a through hole is opened on the inner wall of the bottom end of the outer sleeve 7, the limiting part includes a fixed tube 6 inserted and connected in the through hole, the sliding ring 4 is inserted and connected inside the fixed tube 6, and the bottom of the fixed tube 6 is fixedly connected with a retaining ring 12 for limiting the downward movement of the sliding ring 4.

[0022] Specifically, the protective tube 3 is inserted and connected to the middle part of the retaining ring 12 .

[0023] Furthermore, when the protective tube 3 moves upward, the protective tube 3 drives the sliding ring 4 to move upward, so that the sliding ring 4 is squeezed toward one side of the first spring 5, causing the first spring 5 to deform. When the protective tube 3 loses the upward force, the first spring 5 recovers the deformation and pushes the sliding ring 4 at one end of the first spring 5 toward the side away from the first spring 5 until the sliding ring 4 is pushed to fit with the top of the retaining ring 12, thereby resetting the protective tube 3.

[0024] Specifically, the top of the probe 1 is fixedly connected to a slider 2, one end of the first spring 5 away from the sliding ring 4 is fixedly connected to the bottom end of the slider 2, the slider 2 is slidably inserted into the interior of the outer sleeve 7, and a positioning column 8 is fixedly connected to the inner wall in the middle of the outer sleeve 7, and a pushing member is provided on the side of the positioning column 8 opposite to the slider 2.

[0025] It should be noted that the fixed tube 6 is fixedly connected to the bottom of the slider 2, so that when the slider 2 drives the probe 1 to move, the fixed tube 6 is driven to move upward.

[0026] Specifically, the pusher includes a second spring 9 fixedly connected to the bottom end of the positioning column 8 , and one end of the second spring 9 away from the positioning column 8 is fixedly connected to the top end of the slider 2 .

[0027] Specifically, a transmission component for signal transmission is arranged between the slider 2 and the positioning column 8, and the transmission component includes an upper contact piece 11 fixedly connected to the bottom end of the positioning column 8, and the upper contact piece 11 is inserted and connected to the middle part of the top end of the second spring 9, and the top end of the slider 2 is fixedly connected to a lower contact piece 10, and the lower contact piece 10 is inserted and connected to the middle part of the bottom end of the second spring 9.

[0028] It should be noted that the second spring 9 is used to push the slider 2 to the side away from the positioning cylinder 8, so as to separate the upper contact piece 11 and the lower contact piece 10 that are in contact with each other. The slider 2 is in contact with the inner wall of the outer sleeve 7, so that when the slider 2 slides inside the outer sleeve 7, the slider 2 is prevented from shaking. The upper contact piece 11 is composed of a combination of a cylindrical shape and a conical shape, and the lower contact piece 10 is set to a conical shape. The probe 1, slider 2, positioning cylinder 8, lower contact piece 10 and upper contact piece 11 are all made of conductive materials. When in use, the upper contact piece 11 and the lower contact piece 10 are bravely fitted to test the object.

[0029] Furthermore, when in use, the probe 1 is first brought into contact with the object to be measured, and then the outer sleeve 7 is squeezed downward, so that the top of the probe 1 drives the slider 2 to move upward, thereby driving the lower contact piece 10 at its top to move upward through the slider 2, until the upper contact piece 11 and the lower contact piece 10 are in contact with each other to transmit the signal. When the detection is completed, the outer sleeve 7 is moved upward, and the slider 2 is moved away from the upper contact piece 11 through the push of the second spring 9, so that the upper contact piece 11 and the lower contact piece 10 are separated by the drive of the slider 2.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A probe, comprising a probe head (1), wherein the top of the probe head (1) is provided with an outer sleeve (7), It is characterized in that A protective component for protecting the probe (1) is arranged at the bottom of the outer sleeve (7), the protective component comprises a protective tube (3) sleeved on the bottom of the probe (1), a moving component for moving the protective tube (3) is arranged at the top of the protective tube (3), the moving component comprises a sliding ring (4) fixedly connected to the top of the protective tube (3), a first spring (5) for pushing the sliding ring (4) is arranged at the top of the sliding ring (4), and a limiting member for limiting the moving distance of the sliding ring (4) is arranged at the bottom of the sliding ring (4).

2. A probe according to claim 1, It is characterized in that The probe (1) is inserted and connected in the middle of the first spring (5), and a through hole is formed on the inner wall of the bottom end of the outer sleeve (7). The limiting member includes a fixed tube (6) inserted and connected in the through hole, and the sliding ring (4) is inserted and connected inside the fixed tube (6). A retaining ring (12) is fixedly connected to the bottom of the fixed tube (6) for limiting the downward movement of the sliding ring (4).

3. A probe according to claim 2, It is characterized in that The protective tube (3) is inserted and connected in the middle of the retaining ring (12).

4. A probe according to claim 1, It is characterized in that The top of the probe (1) is fixedly connected to a slider (2), one end of the first spring (5) away from the sliding ring (4) is fixedly connected to the bottom end of the slider (2), the slider (2) is slidably inserted into the interior of the outer sleeve (7), the inner wall of the middle part of the outer sleeve (7) is fixedly connected to a positioning column (8), and a pushing member is provided on the side of the positioning column (8) opposite to the slider (2).

5. A probe according to claim 4, It is characterized in that The pushing member comprises a second spring (9) fixedly connected to the bottom end of the positioning column (8); one end of the second spring (9) away from the positioning column (8) is fixedly connected to the top end of the slider (2).

6. A probe according to claim 5, It is characterized in that A transmission component for signal transmission is arranged between the slider (2) and the positioning column (8), and the transmission component includes an upper contact piece (11) fixedly connected to the bottom end of the positioning column (8), and the upper contact piece (11) is inserted and connected to the middle part of the top end of the second spring (9). The top end of the slider (2) is fixedly connected to a lower contact piece (10), and the lower contact piece (10) is inserted and connected to the middle part of the bottom end of the second spring (9).

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