CN210668058U

CN210668058U - A Broadband Conical Inductor

Info

Publication number: CN210668058U
Application number: CN201922184444.6U
Authority: CN
Inventors: 幸愈
Original assignee: Meizhou Chengjiu Electronic Technology Co ltd
Current assignee: Meizhou Chengjiu Electronic Technology Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-06-02
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a broadband conical inductor, which comprises a coil and a reel, the reel has a conical structure, the coil is tightly wound on the outer surface of the reel, and the opening of the reel is relatively large. The large end is fixedly provided with a screw fixing assembly, which includes a circular ring plate and a connecting rod, the connecting rod is fixed on the outer surface of the circular ring plate, and the other end of the connecting rod is fixed on the roll On the inner wall of the spool, the end with the smaller opening of the spool is provided with a fixing block, and a screw rod is arranged between the circular ring plate and the fixing block through the rotation of the rotating shaft; The threaded connection of the inner thread ring can realize the adjustment of the length of the reel, and the length of the reel can be adjusted within a certain range according to the number of coils to be wound to ensure that the reel is fully utilized, thereby reducing the The footprint of the tapered inductor allows for easy installation inside the device.

Description

Broadband conical inductor

Technical Field

The utility model belongs to the technical field of the inductance, concretely relates to wide band toper inductance.

Background

The inductor is an element capable of converting electric energy into magnetic energy to be stored, the conical inductor is applied to broadband and high frequency, the structure of the conical inductor can widen the bandwidth of a coil, the actual size of the conical inductor is small, the conical inductor is usually wound by thin wires, therefore, the stray capacitance is small, and in an ultra-wideband Bias-T device, the conical inductor simultaneously provides a direct current Bias extraction or injection path which can isolate a power supply from an active device.

The size of a conical winding reel for winding is fixed, the number of turns of winding of different inductors is different, cost is considered in a certain range, the conical winding reel is not designed independently, the utilization rate of the conical winding reel is not high, the size is increased to a certain extent, and the broadband conical inductor is inconvenient to install in equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wide band toper inductance to solve the current wide band toper inductance that proposes in the above-mentioned background art, it is fixed to have a toper reel size that is used for wire winding, and the number of turns that different inductance wound up is different, considers the cost in the certain limit, often does not design the toper reel alone, therefore the utilization ratio of toper reel is not high, has increased the volume to a certain extent, is not convenient for at equipment internally mounted's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a broadband conical inductor comprises a coil and a winding drum, wherein the winding drum is of a conical structure, the coil is tightly wound on the outer surface of the winding drum, a lead screw fixing assembly is fixedly arranged at one end with a larger opening of the winding drum and comprises a circular ring plate and a connecting rod, the connecting rod is fixedly wound on the outer surface of the circular ring plate, the other end of the connecting rod is fixedly arranged on the inner wall of the winding drum, a fixed block is arranged at one end with a smaller opening of the winding drum, a lead screw is rotatably arranged between the circular ring plate and the fixed block through a rotating shaft, an internal thread ring is arranged on the outer surface of the lead screw through thread screwing, sliding drums distributed in a surrounding manner are uniformly and fixedly arranged on the outer surface of the internal thread ring, a round rod is embedded into the opening end of the sliding drum in a sliding manner, a sliding groove is formed in the, the embedded end of the sliding rod is fixedly provided with an arc plate, and the arc plate is fixedly connected with the circular rod.

Preferably, the inner bottom wall of the sliding barrel is fixedly provided with a return spring, and the other end of the return spring is fixedly connected with the embedded end of the round rod.

Preferably, a limiting ring is fixedly arranged at the joint of the round rod and the return spring, and the open end of the sliding cylinder is screwed with a plug through threads.

Preferably, the size of the arc plate is larger than the opening size of the sliding groove, and the convex surface of the arc plate is in sliding fit with the inner surface of the winding reel.

Preferably, the outer surface of the sliding rod extends out of the sliding groove, and the extending end is provided with an arc surface.

Preferably, one end of the screw rod rotates through the rotating shaft to extend out of the outer surface of the circular ring plate, and a circular ring handle is arranged at the end part of the extending end.

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

(1) through design spout and slide bar, close with the screw thread of internal thread ring soon through the lead screw and be connected, can realize adjusting the reel length according to the coil number of will rolling up at certain extent, ensure that the reel is by make full use of, and then reduced the occupation space of toper inductance, be convenient for at equipment internally mounted.

(2) Through designing reset spring, ensure that the round bar supports tight circular arc board for slide bar and winding reel laminating fastening set up spacing ring and end cap, avoid the round bar from the inner slippage of slide cartridge, set up the arc surface, avoid the coil impaired when winding up, set up the ring handle, the control lead screw of being convenient for rotates.

Drawings

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

fig. 2 is a sectional view of the winding reel of the present invention;

FIG. 3 is a perspective view of the slide bar and the arc plate of the present invention;

FIG. 4 is a cross-sectional view of the slide cartridge of the present invention;

fig. 5 is a top view of the screw fixing assembly of the present invention;

in the figure: 1. a coil; 2. a spool; 3. a slide bar; 4. a chute; 5. a screw rod fixing component; 6. a screw rod; 8. a circular arc plate; 9. a round bar; 10. a slide cylinder; 11. a return spring; 12. an internally threaded ring; 13. a circular ring plate; 14. a connecting rod.

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.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a broadband conical inductor comprises a coil 1 and a winding reel 2, wherein the winding reel 2 is of a conical structure, the coil 1 is tightly wound on the outer surface of the winding reel 2, a lead screw fixing component 5 is fixedly arranged at the larger opening end of the winding reel 2, the lead screw fixing component 5 comprises a circular ring plate 13 and a connecting rod 14, the connecting rod 14 is fixedly wound on the outer surface of the circular ring plate 13, the other end of the connecting rod 14 is fixedly bonded on the inner wall of the winding reel 2 through glue, a fixing block is fixedly arranged at the smaller opening end of the winding reel 2 through glue, a lead screw 6 is rotatably arranged between the circular ring plate 13 and the fixing block through a rotating shaft, an internal thread ring 12 is rotatably arranged on the outer surface of the lead screw 6 through threads, a circumferentially distributed sliding cylinder 10 is uniformly and fixedly arranged on the outer surface of the internal thread ring 12, the sliding cylinder 10 and the internal thread ring 12 are fixedly integrated, the inner bottom wall of the sliding cylinder 10 is fixedly provided with a return spring 11, the other end of the return spring 11 is fixedly connected with the embedded end of the round rod 9, when the sliding rod 3 slides along the sliding groove 4, the distance between the round rod 9 and the screw rod 6 can be enlarged or reduced, and by arranging the return spring 11, can ensure that the round bar 9 always slides outwards along the sliding barrel 10 and abuts against the arc plate 8, ensures that the sliding rod 3 is tightly attached to the winding barrel 2, the outer surface of the winding barrel 2 is provided with the sliding groove 4, the sliding rod 3 is arranged in the sliding groove 4 in a sliding way, the arc plate 8 is fixedly arranged at the embedded end of the sliding rod 3, the arc plate 8 and the round bar 9 are fixed by bonding with glue, the screw rod 6 is screwed with the thread of the internal thread ring 12 to drive the internal thread ring 12 and the sliding barrel 10 to slide along the winding barrel 2, and then drive slide bar 3 and slide along spout 4 and stretch out and draw back, realize the regulation to spool 2 length, be convenient for control the length of spool 2 according to actual need.

In this embodiment, a limiting ring is fixedly arranged at the joint of the round rod 9 and the return spring 11, a plug is arranged at the opening end of the sliding barrel 10 through screwing threads, and the limiting ring and the plug are arranged to prevent the round rod 9 from slipping from the sliding barrel 10.

In this embodiment, the size of the arc plate 8 is larger than the opening size of the sliding groove 4, and the convex surface of the arc plate 8 is in sliding fit with the inner surface of the winding reel 2, and the arc plate 8 is arranged, so that the sliding rod 3 can be limited, and the sliding can be stably performed.

In this embodiment, the outer surface of the sliding rod 3 extends out of the sliding groove 4, and the extending end is provided with an arc surface, so that the coil 1 is prevented from being damaged by friction.

In this embodiment, the one end of lead screw 6 is rotated through the pivot and is stretched out the surface of ring board 13, and stretches out the end portion and be provided with the ring handle, sets up the ring handle, the better rotation lead screw 6 of being convenient for.

The utility model discloses a theory of operation and use flow: by arranging the sliding groove 4 and the sliding rod 3, when the number of coils needs to be increased or decreased, the screw rod 6 can be rotated through the circular ring handle, the screw rod 6 is screwed with the thread of the internal thread ring 12 to drive the internal thread ring 12 and the sliding cylinder 10 to slide along the winding reel 2, the sliding cylinder 10 is in sliding fit with the circular rod 9 and drives the circular rod 9 and the arc plate 8 to slide, and further the sliding rod 3 is driven to slide and stretch along the sliding groove 4, so that the length of the winding reel 2 is adjusted, the length of the winding reel 2 is conveniently controlled according to actual needs, the number of the increased coils corresponds to the increased volume amplitude, and the winding reel 2 is convenient to install;

through setting up reset spring 11 for round bar 9 is outwards slided and is supported tight circular arc board 8 along slide cartridge 10 all the time, ensures slide bar 3 and the laminating fastening of bobbin 2, sets up spacing ring and end cap, avoids round bar 9 from the open end slippage of slide cartridge 10, sets up circular arc board 8, makes slide bar 3 steadily slide.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wide band toper inductance, includes coil (1) and winding reel (2), winding reel (2) are conical structure, coil (1) is closely around establishing the surface at winding reel (2), its characterized in that: the large-opening end of the winding reel (2) is fixedly provided with a lead screw fixing component (5), the lead screw fixing component (5) comprises a circular ring plate (13) and a connecting rod (14), the connecting rod (14) is fixedly arranged on the outer surface of the circular ring plate (13) in a surrounding manner, the other end of the connecting rod (14) is fixedly arranged on the inner wall of the winding reel (2), the small-opening end of the winding reel (2) is provided with a fixed block, a lead screw (6) is rotatably arranged between the circular ring plate (13) and the fixed block through a rotating shaft, the outer surface of the lead screw (6) is provided with an internal thread ring (12) in a threaded manner, the outer surface of the internal thread ring (12) is uniformly and fixedly provided with a sliding drum (10) in a surrounding manner, a round rod (9) is slidably embedded into the opening end of the sliding drum (10), and a sliding chute, slide in spout (4) and be provided with slide bar (3), the embedding end of slide bar (3) is fixed and is provided with circular arc board (8), circular arc board (8) and round bar (9) fixed connection.

2. The wideband tapered inductor of claim 1, wherein: the inner bottom wall of the sliding barrel (10) is fixedly provided with a return spring (11), and the other end of the return spring (11) is fixedly connected with the embedded end of the round rod (9).

3. The wideband tapered inductor of claim 2, wherein: the connecting part of the round rod (9) and the reset spring (11) is fixedly provided with a limiting ring, and the open end of the sliding cylinder (10) is screwed with a plug through threads.

4. The wideband tapered inductor of claim 1, wherein: the size of the arc plate (8) is larger than the opening size of the sliding groove (4), and the convex surface of the arc plate (8) is in sliding fit with the inner surface of the winding reel (2).

5. The wideband tapered inductor of claim 1, wherein: the outer surface of the sliding rod (3) extends out of the sliding groove (4), and the extending end is provided with an arc surface.

6. The wideband tapered inductor of claim 1, wherein: one end of the screw rod (6) rotates through the rotating shaft to extend out of the outer surface of the circular ring plate (13), and a circular ring handle is arranged at the end part of the extending end.