Double-end needle base testing device convenient to replace

Abstract

The utility model relates to the technical field of probes, and discloses a double-end probe seat testing device convenient to replace, which comprises a mounting seat, an inclined through hole is formed in the top of the mounting seat, an inclined screw groove is formed in the bottom of the mounting seat, the bottom end of the through hole is communicated with the top end of the screw groove, and a probe is inserted between the through hole and the screw groove in a penetrating manner. The probe comprises a needle cylinder, two needle heads and a spring, the two needle heads extend out of the two ends of the needle cylinder respectively, the spring is located in the needle cylinder and located between the two needle heads, clamping grooves are formed in the two sides of the middle position of the outer wall of the needle cylinder, and two semicircular rings are connected to the middle position of the needle cylinder in a sleeved mode. When the probe needs to be replaced, the probe head and the semicircular rings and the sleeve wrapping the probe head can be directly taken out, then the sleeve is screwed off from the two semicircular rings, and then the probe is replaced, so that the whole process of replacing the probe is simple and convenient to operate, and the replacement of the probe can be rapidly completed.

Description

Technical Field

[0001] The utility model belongs to the technical field of probes, in particular to a double-ended needle seat testing device which is easy to replace. Background Art

[0002] With the development of science and technology, consumers are constantly moving towards small, light and thin electronic products, and the requirements for performance testing of electronic products are also getting higher and higher. Probes have been widely used in the instrumentation and testing industry, and are the most commonly used sampling method for precision measurement of resistance or other electrical signals. However, the connection method between the double-headed probe and the probe holder commonly seen on the market is relatively cumbersome, resulting in inconvenience in disassembly and assembly of the probe when replacing the double-headed probe, which in turn consumes a lot of time. In order to quickly and stably complete the disassembly and assembly of the double-headed probe, the present application proposes a double-headed needle holder test device that is easy to replace. Utility Model Content

[0003] In order to solve the problems raised in the above background technology, the utility model provides the following technical solutions: a double-head needle seat test device that is easy to replace, including a mounting seat, an inclined through hole is opened on the top of the mounting seat, an inclined screw groove is opened on the bottom of the mounting seat, the bottom end of the through hole is connected to the top end of the screw groove, a probe is inserted through the through hole and the screw groove, the probe includes a syringe, two needles and a spring, the two needles extend from the two ends of the syringe respectively, the spring is located inside the syringe and between the two needles , slots are provided on both sides of the middle position of the outer wall of the syringe, two semicircular rings are sleeved at the middle position of the syringe, and limiting blocks are provided on the inner walls of the two semicircular rings, and the two limiting blocks are respectively engaged in the slots on both sides of the outer wall of the syringe, and a sleeve is movably sleeved on the syringe, and the sleeve is threadedly sleeved on the outside of the two semicircular rings, and the sleeve is located in the screw groove at the bottom of the mounting seat, and a bolt is also movably sleeved on the syringe, one end of the bolt is against the bottom of the sleeve, and the outer wall of the bolt is threadedly connected to the inner wall of the screw groove.

[0004] Preferably, the inner wall of the bottom end of the sleeve abuts against the bottoms of the two semicircular rings, and the outer ring diameter of the sleeve is matched with the diameter of the screw groove.

[0005] Preferably, the center of the bottom end of the through hole and the center of the top end of the screw groove are located at the same point.

[0006] Preferably, limiting plates are fixedly installed on both sides of the top opening of the through hole, and sliding grooves are opened on both sides of both ends of the syringe. When the top of the sleeve contacts the top of the screw groove, the two limiting plates of the top opening of the through hole are respectively engaged in the sliding grooves on both sides of one end of the syringe, and the bottom ends of the two limiting plates are respectively located at the bottom of the corresponding sliding grooves.

[0007] Preferably, the size of the limiting block matches the size of the card slot.

[0008] Preferably, the diameter of the screw groove is larger than the diameter of the through hole, and the outer diameter of the semicircular ring is larger than the diameter of the through hole.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] By turning the bolt to disengage it from the screw groove, the probe and the semicircular ring and sleeve wrapped around it can be directly taken out, and then the sleeve can be unscrewed from the two semicircular rings and the probe can be replaced. The entire process of replacing the probe is simple and convenient, and the probe can be replaced quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the cross-sectional structure of the connection between the mounting base and the probe of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the mounting seat of the utility model;

[0015] Figure 4 It is a schematic diagram of the structure of the probe of the utility model;

[0016] Figure 5 This is a schematic diagram of the structure of the semicircular ring of the utility model;

[0017] Figure 6 It is a schematic diagram of the cross-sectional structure of the semicircular ring of the utility model;

[0018] In the figure: 1, mounting seat; 2, through hole; 3, screw groove; 4, probe; 41, syringe; 42, needle; 43, spring; 5, semicircular ring; 6, limit block; 7, sleeve; 8, bolt; 9, slide groove; 10, limit plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Depend on Figure 1-6The utility model comprises a mounting seat 1, an inclined through hole 2 is provided at the top of the mounting seat 1, an inclined screw groove 3 is provided at the bottom of the mounting seat 1, the bottom end of the through hole 2 is connected with the top end of the screw groove 3, a probe 4 is inserted and connected between the through hole 2 and the screw groove 3, the probe 4 comprises a syringe 41, two needles 42 and a spring 43, the two needles 42 extend from the two ends of the syringe 41 respectively, the spring 43 is located inside the syringe 41 and between the two needles 42, a card groove is provided on both sides of the middle position of the outer wall of the syringe 41, two semicircular rings 5 ​​are sleeved at the middle position of the syringe 41, and a limiting block 6 is provided on the inner wall of the two semicircular rings 5, and the two limiting blocks 6 are respectively engaged in the card grooves on both sides of the outer wall of the syringe 41, and the syringe A sleeve 7 is movably sleeved on 41, and the sleeve 7 is threadedly sleeved on the outside of the two semicircular rings 5, and the sleeve 7 is located in the screw groove 3 at the bottom of the mounting seat 1. A bolt 8 is also movably sleeved on the syringe 41, and one end of the bolt 8 is against the bottom of the sleeve 7, and the outer wall of the bolt 8 is threadedly connected to the inner wall of the screw groove 3. The two semicircular rings 5 ​​are closed into a circular ring structure by allowing the limit blocks 6 on the inner walls of the two semicircular rings 5 ​​to be engaged in the slots on both sides of the outer wall of the syringe 41, and then the sleeve 7 is threadedly sleeved on the outer walls of the two semicircular rings 5, and then the probe 4 is inserted into the through hole 2 and the screw groove 3, so that the sleeve 7 is against the top of the screw groove 3, and finally the bolt 8 is pressed against the sleeve 7 along the syringe 41 and is threadedly connected with the screw groove 3, so that the probe 4 is fixed in the mounting seat 1.

[0021] like Figure 2 As shown, the inner wall of the bottom end of the sleeve 7 abuts against the bottom of the two semicircular rings 5, and the outer ring diameter of the sleeve 7 is matched with the diameter of the screw groove 3 to prevent the sleeve 7 from shaking in the screw groove 3.

[0022] like Figure 2 and Figure 3 As shown, the center of the bottom end of the through hole 2 and the center of the top end of the screw groove 3 are located at the same point.

[0023] like Figure 2 and Figure 3 As shown, limit plates 10 are fixedly installed on both sides of the top opening of the through hole 2, and slide grooves 9 are opened on both sides of the two ends of the syringe 41. When the top of the sleeve 7 contacts the top of the screw groove 3, the two limit plates 10 of the top opening of the through hole 2 are respectively engaged in the slide grooves 9 on both sides of one end of the syringe 41, and the bottom ends of the two limit plates 10 are respectively located at the bottom of the corresponding slide grooves 9. When the syringe 41 is inserted into the through hole 2, the slide grooves 9 on both sides of the top of the syringe 41 are just connected and engaged with the limit plates 10 on both sides of the top opening of the through hole 2, thereby preventing the syringe 41 from rotating in the through hole 2 and the screw groove 3.

[0024] like Figure 4 As shown, the size of the limit block 6 is matched with the size of the slot, which prevents the limit block 6 from moving in the slot on the outer wall of the syringe 41 and strengthens the clamping of the probe 4.

[0025] like Figure 2 and Figure 3 As shown, the diameter of the screw groove 3 is larger than the diameter of the through hole 2, and the outer diameter of the semicircular ring 5 is larger than the diameter of the through hole 2, so that the semicircular ring 5 and the sleeve 7 wrapped around the outside of the probe 4 can be against the top of the inner wall of the screw groove 3, and the position of the sleeve 7 can be stably fixed in the screw groove 3 in combination with the bolt 8.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-ended needle seat test device that is easy to replace, comprising a mounting seat (1), characterized in that: The top of the mounting seat (1) is provided with an inclined through hole (2), the bottom of the mounting seat (1) is provided with an inclined screw groove (3), the bottom end of the through hole (2) is connected with the top end of the screw groove (3), a probe (4) is inserted between the through hole (2) and the screw groove (3), the probe (4) comprises a syringe (41), two needles (42) and a spring (43), the two needles (42) extend from two ends of the syringe (41) respectively, the spring (43) is located inside the syringe (41) and between the two needles (42), a card slot is provided on both sides of the middle position of the outer wall of the syringe (41), and a spring (43) is provided on the syringe Two semicircular rings (5) are sleeved at the middle position of the syringe (41), and limit blocks (6) are provided on the inner walls of the two semicircular rings (5). The two limit blocks (6) are respectively engaged in the slots on both sides of the outer wall of the syringe (41). A sleeve (7) is movably sleeved on the syringe (41), and the sleeve (7) is threadedly sleeved on the outside of the two semicircular rings (5). The sleeve (7) is located in the screw groove (3) at the bottom of the mounting seat (1). A bolt (8) is also movably sleeved on the syringe (41), and one end of the bolt (8) is against the bottom of the sleeve (7), and the outer wall of the bolt (8) is threadedly connected to the inner wall of the screw groove (3).

2. The easily replaceable double-ended needle holder testing device according to claim 1, characterized in that: The inner wall of the bottom end of the sleeve (7) abuts against the bottoms of the two semicircular rings (5), and the outer diameter of the sleeve (7) matches the diameter of the screw groove (3).

3. The easily replaceable double-ended needle holder testing device according to claim 1, characterized in that: The center of the bottom end of the through hole (2) and the center of the top end of the screw groove (3) are located at the same point.

4. The easily replaceable double-ended needle holder testing device according to claim 3, characterized in that: Limiting plates (10) are fixedly installed on both sides of the top opening of the through hole (2), and sliding grooves (9) are opened on both sides of both ends of the syringe (41). When the top end of the sleeve (7) contacts the top end of the screw groove (3), the two limiting plates (10) at the top opening of the through hole (2) are respectively engaged in the sliding grooves (9) on both sides of one end of the syringe (41), and the bottom ends of the two limiting plates (10) are respectively located at the bottom of the corresponding sliding grooves (9).

5. The easily replaceable double-ended needle holder testing device according to claim 1, characterized in that: The size of the limiting block (6) is matched with the size of the card slot.

6. The easily replaceable double-ended needle holder testing device according to claim 1, characterized in that: The diameter of the screw groove (3) is greater than the diameter of the through hole (2), and the outer diameter of the semicircular ring (5) is greater than the diameter of the through hole (2).

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