CN210668750U - Spring pressing type switching piece terminal - Google Patents

Abstract

The utility model relates to a spring pressing type switch plate terminal, which comprises a plug seat and a base, wherein the left side and the right side of the lower end surface of the base are provided with a threaded pipe which longitudinally extends downwards and a hexagon nut which is matched with the threaded pipe, the threaded pipe is internally provided with a conductive piece, the lower end of the conductive piece is provided with a threaded hole for threaded connection, the upper end of the conductive piece is provided with an insertion hole, the positions of the front side surface and the rear side surface of the base, which are close to the lower end edge, are provided with transverse substrates which extend vertical to the side surfaces, the transverse base plate is provided with a positioning sleeve extending upwards in the longitudinal direction, the plug seat and the base form elastic connection, the plug seat is provided with an insulating sleeve which longitudinally extends downwards at a position corresponding to the threaded pipe, and the lower end face of the insulating sleeve is provided with a conductive column which longitudinally extends downwards and is spliced in the jack. The utility model discloses switch piece terminal has effectively enlarged the usage space when portable switching, and the operation is safe convenient.

Description

Spring pressing type switching piece terminal

Technical Field

The utility model belongs to electrical connection's terminal field, a formula switching piece terminal is being pressed to concretely design spring.

Background

The switching piece terminal is mainly used for protecting and debugging and switching electrical appliances of instrument tables in power control, and is widely applied to the high-voltage and low-voltage electrical field of cabinet set and the like; however, the switch blade terminal in the prior art, especially the spring-pressed switch blade terminal, has a significant drawback: because the plug seat and the base are directly in a surface-to-surface matching structure, the lower end surface of the plug seat and the upper end surface of the base are tightly matched together, when the worker needs to examine and repair the circuit connection and disconnection point, the plug seat needs to be pulled open and rotated by a certain angle to insert the conductive post on the plug seat into the insulating insertion hole on the base, and in the manual operation process, because need pull open the connector assembly, and the connector assembly is again with face complex contact structure in the base, and the gap between each other is very little, and the staff often hardly once only scratches open the connector assembly, especially to the nail not long and point the staff when slippery again, very big influence staff's maintenance efficiency, based on this, the utility model discloses the spring is pressing formula switching piece terminal among the prior art has carried out further practical improvement.

Disclosure of Invention

An object of the utility model is to provide a formula switching piece terminal is being pressed to novel in design, simple structure and the spring of safe convenient operation, and this switching piece terminal can effectively improve staff's operating efficiency.

In order to achieve the above purpose, the utility model adopts a spring pressing type switching piece terminal, which comprises a plug seat and a base, the left side and the right side of the lower end surface of the base are provided with a threaded pipe which longitudinally extends downwards and a hexagon nut which is matched with the threaded pipe, a conductive piece is arranged in the threaded pipe, the lower end of the conductive piece is provided with a threaded hole, the threaded hole is used for forming threaded connection with the locking screw, thereby locking the external lead at the threaded connection position, the upper end of the conductive piece is provided with an insertion hole, the positions of the front side surface and the rear side surface of the base, which are close to the lower end edge, are provided with transverse substrates which extend vertical to the side surfaces, the transverse substrate is provided with a positioning sleeve extending upwards in the longitudinal direction, the plug seat and the base form elastic connection, and in the specification, the elastic connection structure between the plug seat and the base is specifically as follows: a sheath extending upwards in the longitudinal direction is arranged on the base close to the middle, the hollow part of the sheath extends to the lower end face of the base, a pull rod extending downwards in the sheath in the longitudinal direction is arranged on the lower end face of the plug base and corresponds to the sheath, an annular top wall extending in the radial direction is arranged on the top edge of the sheath, a sheet-shaped snap spring is clamped at the top end of the pull rod, an elastic pressure spring is sleeved on the pull rod, one end of the elastic pressure spring abuts against the annular top wall, and the other end of the elastic pressure spring abuts against the sheet-shaped snap spring; and the plug seat is provided with an insulating sleeve which longitudinally extends downwards at a position corresponding to the threaded pipe, and the lower end surface of the insulating sleeve is provided with a conductive column which longitudinally extends downwards and is spliced in the jack.

As a further configuration of the present invention, the testing hole for detecting whether to be powered on or not is provided on the side surface of the base and at the position corresponding to the conductive post.

Through the improvement of the technical scheme in the prior art, when a worker needs to patrol and examine the connection condition of related circuits inside the instrument surface of the electrical equipment, the plug seat can be directly pulled up to enable the conductive post on the plug seat to be separated from the jack of the conductive piece in the threaded pipe, and then the plug seat is rotated by a certain angle to enable the conductive post to correspond to the positioning sleeve on the transverse substrate and to be inserted into the positioning sleeve, so that the worker can conveniently carry out overhauling and judgment; therefore, as can be seen from the above description, the switching piece terminal is mainly used as the on-off switching function of the circuit for the equipment such as the complete set of cabinet, and the plug seat and the base are separated by the insulating sleeve and the sheath, so that the problem that the plug seat is difficult to be opened by a worker due to the surface-to-surface contact type fit formed between the bottom surface of the plug seat and the upper end surface of the base is completely avoided, the use space of the portable plug seat is enlarged, and the effect of facilitating the handheld switching operation of the worker is achieved; in addition, the insulating sleeve and the sheath are both made of insulating materials, so that the use safety is indirectly improved.

Drawings

Fig. 1 is a schematic perspective view of a spring-loaded switch plate terminal of the present invention;

fig. 2 is a top view of the spring pressed type switch plate terminal of the present invention;

FIG. 3 is a schematic cross-sectional view taken along A-A of FIG. 2;

FIG. 4 is a schematic view of the conductive member of FIG. 3;

fig. 5 is a schematic diagram of a spring-loaded switching piece terminal in the prior art.

Detailed Description

Fig. 1-4 show that the present embodiment employs a spring pressing type switch plate terminal, fig. 1 shows in combination with fig. 2 and 3, and includes a plug socket 1 and a base 2, a threaded pipe 20 extending downward in a longitudinal direction and a hexagon nut 21 adapted to the threaded pipe 20 are provided at left and right positions on a lower end surface of the base 2, a conductive member 3 is provided inside the threaded pipe 20, further, as shown in fig. 4, a threaded hole 30 is provided at a lower end of the conductive member 3, the threaded hole 30 is used for forming a threaded connection with a locking screw 22 shown in fig. 1 and 2, thereby locking an external wire at the threaded position, a jack 31 is provided at an upper end of the conductive member 3, fig. 1 further shows in combination with fig. 2, a transverse base plate 23 extending perpendicular to the side surface is provided at a position on front and rear side surfaces of the base 1 and near a lower end edge, the transverse base plate 23 has a positioning sleeve 230 extending upward in the longitudinal direction, and the plug receptacle 1 and the base 2 form an elastic connection therebetween, in this embodiment, as shown in fig. 3, the elastic connection structure between the plug receptacle 1 and the base 2 is specifically as follows: a sheath 24 extending upwards in the longitudinal direction is arranged on the middle position of the base 2, the hollow part of the sheath 24 extends to the lower end surface of the base 2, a pull rod 10 extending downwards in the longitudinal direction into the sheath 24 is arranged on the lower end surface of the plug base 1 at a position corresponding to the sheath 24, an annular top wall 240 extending in the radial direction is arranged at the top edge of the sheath 24, a sheet-shaped clamp spring 4 is clamped at the top end position of the pull rod 10 in the radial direction, an elastic pressure spring 5 is sleeved on the pull rod 10, one end of the elastic pressure spring 5 abuts against the annular top wall 240, and the other end abuts against the sheet-shaped clamp spring 4, so that the elastic link structure is greatly convenient for workers to pull up and rotate the plug base 1 in a hand-held manner; fig. 3 also shows that the plug connector 1 has a longitudinally downward extending insulating sleeve 11 at a position corresponding to the threaded pipe 20, and the lower end face of the insulating sleeve 11 has a longitudinally downward extending conductive post 110 that is inserted into the insertion hole 31.

In this embodiment, as further shown in fig. 1, in order to facilitate detecting a circuit connection condition after the internal circuit of the electrical device is connected through the switch sheet terminal of this embodiment, a testing hole 25 for detecting whether to be powered on is formed on a side surface of the base 2 at a position corresponding to the conductive pillar 110.

In this embodiment, as shown in fig. 5, a surface-to-surface contact type mating structure is provided between the plug base 1 and the base 2 in the prior art, i.e. the lower end surface of the plug base 1 is mated with the upper end surface of the base 2, which causes difficulty when a worker needs to pull and rotate the plug base 1, and particularly, since there is no operating space enough for the movement of fingers between the plug base 1 and the base 2, the worker often needs to pull the plug base 1 with fingers or nails, and then pull and rotate the plug base, which greatly affects the operating efficiency, and after the improvement of the present embodiment, when the worker needs to patrol and examine the relevant circuit connection conditions inside the instrument table of the electrical equipment, the worker can directly pull the plug base 1, so that the conductive post 110 thereon is separated from the insertion hole 31 of the conductive piece 3 in the threaded tube 20, and then rotate the plug base 1 by a certain angle, the conductive column 110 corresponds to the positioning sleeve 230 on the transverse substrate 23 and is inserted into the positioning sleeve 230, so that the staff can make a maintenance judgment; therefore, after the improvement of the technical solution of the present embodiment, when the switching piece terminal of the present embodiment is mainly used as the on-off switching function of a circuit to be used on a device such as a set of cabinet, the plug base 1 and the base 2 are separated by the insulating sleeve 11 and the sheath 24, so that the problem that the plug base 1 is difficult to be manually opened by a worker due to the surface-to-surface contact type fit formed between the lower end surface of the plug base 1 and the upper end surface of the base 2 is completely avoided, the use space of the portable plug base 1 is enlarged, and the effect of facilitating the worker to perform the handheld switching operation is achieved; in addition, because the insulating sleeve 11 and the sheath 24 are both made of insulating materials, the use safety is indirectly improved.

The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and the above-described embodiments and the description only illustrate the principle of the present invention, and that there are various changes and modifications of the present invention, which are introduced by the spirit of the technical solution of the present invention and fall within the scope of the claims of the present invention. The scope of the invention is defined by the appended claims, description, drawings, and equivalents thereof.

Claims (3)

1. The utility model provides a spring is formula of pressing and is switched piece terminal, includes plug socket and base, the left and right sides position on the terminal surface of base has the screwed pipe of vertical downwardly extending and with the hexagon nut of the adaptation of screwed pipe, the inside electrically conductive piece that is provided with of screwed pipe, the screw hole that is used for threaded connection is seted up to the lower extreme of electrically conductive piece, the jack has been seted up to the upper end of electrically conductive piece, the position that is close to the lower extreme border on the front and back both sides face of base has the perpendicular to the horizontal base plate that the side extends, the last position sleeve that has vertical upwardly extending of horizontal base plate, its characterized in that: the plug seat and the base are elastically connected, an insulating sleeve extending downwards in the longitudinal direction is arranged on the plug seat and at a position corresponding to the threaded pipe, and a conductive column extending downwards in the longitudinal direction and inserted into the jack is arranged on the lower end face of the insulating sleeve.

2. A spring-loaded paddle terminal according to claim 1, wherein: the plug connector is characterized in that a sheath which extends upwards longitudinally is arranged on the base close to the middle position, the hollow part of the sheath extends to the lower end face of the base, a pull rod which extends downwards longitudinally into the sheath is arranged on the lower end face of the plug connector and corresponds to the sleeve, an annular top wall which extends radially is arranged on the top edge of the sheath, a sheet-shaped clamp spring is clamped at the top end of the pull rod, an elastic pressure spring is sleeved on the pull rod, one end of the elastic pressure spring abuts against the annular top wall, and the other end of the elastic pressure spring abuts against the sheet-shaped clamp spring.

3. A spring-loaded paddle terminal according to claim 2, wherein: and a testing hole for detecting whether the electric conduction column is electrified or not is formed in the position, corresponding to the conductive column, on the side surface of the base.

Images