CN211789661U

CN211789661U - Needle type contactor

Info

Publication number: CN211789661U
Application number: CN202020793193.1U
Authority: CN
Inventors: 张晓锋
Original assignee: Shanghai Huatong Electrical Appliance Factory Co ltd
Current assignee: Shanghai Huatong Electrical Appliance Factory Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-10-27
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a pin type contactor, its characterized in that: comprises a mounting base (1) and a contact device (2) movably mounted on the mounting base (1); contact device (2) including shell (6) that have inner chamber (7), set up in shell (6) side and with wiring hole (5) of inner chamber (7) intercommunication, install the tight mechanism in top in inner chamber (7), the upper end is located shell (6) outside, contact pin (4) etc. that the lower extreme stretched into in inner chamber (7). The utility model discloses penetrate the connecting wire to the inner chamber from the wiring hole during the use to adjust through screwing up the tight screw in top and compress tightly the pole piece, make and compress tightly the pole piece and compress tightly connecting wire, thereby fix connecting wire between compressing tightly pole piece and line ball board, connecting wire is difficult for droing.

Description

Needle type contactor

Technical Field

The utility model relates to a contactor technical field specifically indicates a pin type contactor.

Background

The binding post is an accessory product for realizing electrical connection, and the industry divides into the category of connector, and along with the development of electron trade, binding post's application range is more and more, and the kind is also more and more moreover, like five metals terminal, nut terminal, spring terminal etc.. However, the traditional wiring terminal leads are not firmly connected and easily fall off, so that the normal work of equipment is influenced.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned problem, provide a pin type contactor that the wire is connected easily, and is difficult to drop.

The needle type contactor of the utility model comprises an installation base and a contact device movably arranged on the installation base; the contact device comprises a shell with an inner cavity, a wiring hole which is formed in the side face of the shell and communicated with the inner cavity, a tightening mechanism which is installed in the inner cavity, a contact pin of which the upper end is positioned outside the shell and of which the lower end extends into the inner cavity, a pressing pole piece which is connected to the lower end of the contact pin and is positioned above the tightening mechanism, a through hole which is formed in the upper end of the shell, and a tightening screw which is installed in the through hole and can press the pressing pole piece; the pins can move up and down.

Furthermore, the jacking mechanism comprises a through hole arranged at the lower end of the shell, a penetrating rod with the lower end extending into the through hole and the upper end positioned in the inner cavity, a wire pressing plate arranged at the upper end of the penetrating rod, and a compression spring which is sleeved on the penetrating rod and positioned between the wire pressing plate and the bottom of the inner cavity; the diameter of the compression spring is larger than that of the through hole.

The mounting base comprises a base shell with a mounting cavity, a bearing plate arranged in the mounting cavity, and two clamping mechanisms arranged on the upper surface of the bearing plate; the two clamping mechanisms are oppositely arranged, and a clamping cavity is formed between the two clamping mechanisms; the contact device is mounted in the clamping cavity.

The clamping mechanism comprises a slide rail arranged on the bearing plate, a fixed plate arranged on the slide rail, a slide block arranged on the slide rail, an extension spring connected between the slide block and the fixed plate, a clamping plate arranged on the slide block, and a mounting plate connected on the clamping plate.

The bearing plate is installed in the installation cavity through a buffer spring.

The lower surface of the pressing pole piece is provided with two bulges.

And a plug is arranged on the through hole.

The shell is of a split structure.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

(1) the utility model discloses penetrate the connecting wire to the inner chamber from the wiring hole during the use to adjust through screwing up the tight screw in top and compress tightly the pole piece, make and compress tightly the pole piece and compress tightly connecting wire, thereby fix connecting wire between compressing tightly pole piece and line ball board, connecting wire is difficult for droing.

(2) The pressing spring is sleeved on the penetrating rod of the utility model, and the pressing spring can play a role of buffering when the pressing pole piece is pressed downwards, which can prevent the pressing plate from directly pressing the shell tightly to cause the damage of the shell; when the pressing pole piece is pressed downwards, the pressing spring is compressed, and the pressing plate can be jacked upwards through the restoring force of the pressing spring, so that the connecting lead is not easy to fall off.

(3) The space between the two clamping mechanisms of the utility model can be adjusted, which is suitable for the contact devices with different sizes and is convenient for the installation of the contact devices; meanwhile, the mounting base is provided with a buffer spring which can play a certain buffering role so as to protect the contact device.

Drawings

Fig. 1 is a structural diagram of the present invention.

Fig. 2 is a sectional view of the contact device of the present invention.

Fig. 3 is a sectional view of the mounting base of the present invention.

Description of reference numerals: 1-installation base, 2-contact device, 3-clamping plate, 4-contact pin, 5-wiring hole, 6-shell, 7-inner chamber, 8-end cap, 9-pressure pole piece, 10-pressure spring, 11-perforation, 12-line ball board, 13-penetrating rod, 14-protrusion, 15-tightening screw, 16-through hole, 17-base shell, 18-installation cavity, 19-installation plate, 20-fixed plate, 21-extension spring, 22-slider, 23-bearing plate, 24-buffer spring, 25-slide rail.

Detailed Description

The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.

Embodiment example as shown in fig. 1, the pin contactor of the present embodiment includes a mounting base 1, and a contact device 2 mounted on the mounting base 1. The contact device 1 is removably mounted on the mounting base 1 to facilitate replacement of the contact device 1.

Specifically, as shown in fig. 2, the contact device 2 includes a housing 6, an inner cavity 7 is provided inside the housing 6, a wiring hole 5 is opened on a side surface of the housing 6, the wiring hole 5 is communicated with the inner cavity 7, and an external connecting wire penetrates into the inner cavity 7 from the wiring hole 5 in use.

In addition, a tightening mechanism is installed inside the cavity 7. The jacking mechanism comprises a through hole 11 arranged at the lower end of the shell 6, a penetrating rod 13 with the lower end extending into the through hole 11 and the upper end being positioned in the inner cavity 7, a wire pressing plate 12 arranged at the upper end of the penetrating rod 13, and a compression spring 10 sleeved on the penetrating rod 13 and positioned between the wire pressing plate 12 and the bottom of the inner cavity 7. The diameter of the compression spring 10 is greater than the diameter of the through-hole 11, so that the compression spring 10 cannot fall out of the through-hole 11. The penetrating rod 13 and the line pressing plate 12 can be made of insulating rubber materials, and when the line pressing plate 12 is pressed, the penetrating rod 13 can move up and down in the through hole 11; the rod 13 and the hole 11 may be provided with a stopper (not shown) to prevent the rod 13 from being separated from the hole 11.

When the novel power line pressing plate is specifically arranged, the power line pressing plate 12 can be located below the wiring hole 5, so that a connecting wire can be placed on the power line pressing plate 12 after penetrating into the inner cavity 7.

As shown in fig. 2, the outer shell 6 is further provided with a pin 4, the upper end of the pin 4 is located outside the outer shell 6, the lower end of the pin 4 extends into the inner cavity 7, and the pin 4 can move up and down; in addition, the lower end of the contact pin 4 is connected with a compression pole piece 9, the compression pole piece 9 and the contact pin 4 are made of conductive metal materials, and the compression pole piece 9 and the contact pin 4 can be of an integrated structure. The compression pole piece 9 is located above the compression plate 12 and can move up and down with the pin 4.

The upper end of the shell 6 is also provided with a through hole 16, a tightening screw 15 is arranged in the through hole 16, the tightening screw 15 is in threaded connection with the shell 6, and when the tightening screw 15 is adjusted, the tightening screw 15 can compress the wiring hole 5. After connecting wire penetrated inner chamber 7 and was located line ball board 12, adjust top tight screw 15, make top tight screw 15 push down and compress tightly pole piece 9 to press from both sides tightly connecting wire between compressing tightly pole piece 9 and line ball board 12, the electric current can circulate on contact pin 4, compressing tightly pole piece 9 and connecting wire. When the contact pin connecting device is used, the contact pin 4 is inserted into a wiring terminal of external electrical equipment, so that a connecting lead can be connected with the electrical equipment.

And a plug 8 is arranged on the through hole 16, and the tightening screw 15 is sealed in the shell 6 through the plug 8.

In order to make the pressing pole piece 9 contact with the connecting lead better, the lower surface of the pressing pole piece 9 may be arc-shaped, and in addition, the lower surface of the pressing pole piece 9 may be provided with two protrusions 14, so that the connecting lead can be better fixed between the two protrusions 14.

In order to facilitate the installation of the above components, the housing 6 is a split structure, and as shown in fig. 2, the upper and lower housing 6 can be connected by screws.

The utility model discloses a screw up tight screw 15 in top and adjust and compress tightly pole piece 9, make and compress tightly pole piece 9 and compress tightly connecting wire to fix connecting wire between compressing tightly pole piece 9 and line ball board 12, connecting wire is difficult for droing.

As shown in FIG. 3, the mounting base 1 includes a base housing 17 having a mounting cavity 18, a carrier plate 23 mounted in the mounting cavity 18 by a buffer spring 24, and two clamping mechanisms provided on an upper surface of the carrier plate 23. The two clamping mechanisms are oppositely arranged, and a clamping cavity is formed between the two clamping mechanisms; the contact device 2 is mounted in a clamping chamber.

The clamping mechanism comprises a slide rail 25 mounted on a bearing plate 23, a slide block 22 mounted on the slide rail 25, a fixing plate 20 arranged on the slide rail 25, an extension spring 21 connected between the slide block 22 and the fixing plate 20, a clamping plate 3 arranged on the slide block 22, and a mounting plate 19 connected on the clamping plate 3.

The slider 22 is slidable on the slide rail 25, and when the slider 22 slides, the extension spring 21 is extended and compressed. When the contact device 2 is installed, the sliding blocks 22 of the two lower clamping mechanisms slide in opposite directions, then the contact device is placed on the mounting plates 19 of the two clamping mechanisms, the two sliding blocks 22 are released, and the contact device is clamped between the clamping plates 3 of the two clamping mechanisms due to the contraction of the extension springs 21, so that the contact device is fixed. In addition, the base housing 17 is provided with screw holes, and the entire contactor can be fixed by screws.

The space between the two clamping mechanisms of the utility model can be adjusted, which is suitable for the contact devices with different sizes and is convenient for the installation of the contact devices; meanwhile, the mounting base is provided with a buffer spring which can play a certain buffering role so as to protect the contact device.

As described above, the utility model discloses alright fine realization.

Claims

1. Needle type contactor, its characterized in that: comprises a mounting base (1) and a contact device (2) movably mounted on the mounting base (1); the contact device (2) comprises a shell (6) with an inner cavity (7), a wiring hole (5) which is formed in the side face of the shell (6) and communicated with the inner cavity (7), a tightening mechanism which is installed in the inner cavity (7), a contact pin (4) of which the upper end is positioned outside the shell (6) and the lower end extends into the inner cavity (7), a pressing pole piece (9) which is connected to the lower end of the contact pin (4) and positioned above the tightening mechanism, a through hole (16) which is formed in the upper end of the shell (6), and a tightening screw (15) which is installed in the through hole (16) and can press the pressing pole piece (9); the contact pin (4) can move up and down.

2. The pin contactor of claim 1, wherein: the jacking mechanism comprises a through hole (11) arranged at the lower end of the shell (6), a penetrating rod (13) with the lower end extending into the through hole (11) and the upper end positioned in the inner cavity (7), a wire pressing plate (12) arranged at the upper end of the penetrating rod (13), and a pressing spring (10) sleeved on the penetrating rod (13) and positioned between the wire pressing plate (12) and the bottom of the inner cavity (7); the diameter of the pressing spring (10) is larger than that of the through hole (11).

3. The pin contactor of claim 2, wherein: the mounting base (1) comprises a base shell (17) with a mounting cavity (18), a bearing plate (23) mounted in the mounting cavity (18), and two clamping mechanisms arranged on the upper surface of the bearing plate (23); the two clamping mechanisms are oppositely arranged, and a clamping cavity is formed between the two clamping mechanisms; the contact device (2) is mounted in the clamping cavity.

4. The pin contactor of claim 3, wherein: the clamping mechanism comprises a sliding rail (25) arranged on the bearing plate (23), a fixing plate (20) arranged on the sliding rail (25), a sliding block (22) arranged on the sliding rail (25), an extension spring (21) connected between the sliding block (22) and the fixing plate (20), a clamping plate (3) arranged on the sliding block (22), and a mounting plate (19) connected to the clamping plate (3).

5. The pin contactor of claim 4, wherein: the bearing plate (23) is mounted in the mounting cavity (18) through a buffer spring (24).

6. The pin contactor of claim 5, wherein: the lower surface of the pressing pole piece (9) is provided with two bulges (14).

7. The pin contactor of claim 6, wherein: and a plug (8) is arranged on the through hole (16).

8. The pin contactor of claim 7, wherein: the shell (6) is of a split structure.