TWM653000U - Magnetic connection device - Google Patents

Abstract

A magnetic connection device includes a first connector and a second connector. The first connector includes a first insulator, a plurality of first terminals and at least one first magnet. The first insulator has a central cylinder, an inner ring body and a first front shell. The inner ring body is disposed on the central cylinder. On the outside, the first front shell is arranged on the outside of the inner ring body. The first terminals are arranged on the first insulator and extend to the central cylinder and the inner ring body respectively. The first magnet is arranged on the first insulator. The second connector includes a second insulator, a plurality of second terminals and at least a second magnet. The second insulator has a central tube body, a plurality of inner cylinders and a second front shell. The inner cylinders surround the outside of the central tube body, the second front shell is provided on the outside of the inner cylinders, and the second terminals are provided on the second insulator and extend to the central tube body and the inner columns respectively. Inside the body, the second magnet is disposed inside the second insulator. When the first connector and the second connector cooperate with each other, the central cylinder can be inserted into the central tube body, and the inner cylinders can be inserted into the inner ring body, so that the first terminals are connected to the third terminals respectively. The two terminals are in contact to achieve electrical connection, and the first magnet and the second magnet can be magnetically fixed to each other. Therefore, the first connector and the second connector can be firmly combined to achieve good electrical and mechanical connection.

Description

Magnetic connection device

This invention relates to a magnetic connection device, in particular to a magnetic connection device that can electrically connect two connectors and can be magnetically fixed to each other.

The existing magnetic connection device includes two connectors. The two connectors are respectively in the form of a plug and a socket. When the two connectors are plugged into each other, an electrical connection can be achieved, and the two connectors are respectively provided with magnets. The magnets can be used to magnetically attract and fix each other, so that the two connectors are firmly connected. However, in the existing magnetic connection device, the two connectors cannot be firmly connected when they are plugged into each other. The electrical and mechanical connections between the two connectors are unstable, which reduces the signal transmission effect.

The technical problem to be solved by this invention is to provide a magnetic connection device to address the shortcomings of the existing technology, which can make the first connector and the second connector firmly combined to achieve good electrical and mechanical connection.

In order to solve the above technical problems, the present invention provides a magnetic connection device, including: a first connector, the first connector includes a first insulator, a plurality of first terminals and at least one first magnet. The insulator has a central cylinder, an inner ring body and a first front shell. The center cylinder is provided with a plurality of first holes inside. The inner ring body is arranged at an outer interval of the central cylinder. The inner ring A plurality of second holes and at least one third hole are provided inside the body. The first front shell is arranged at the outer spacing of the inner ring body. The first terminals are arranged on the first insulator. The first terminals one end of Extending into the first holes and the second holes respectively, the first magnet is disposed in the first insulator, the first magnet corresponds to the third hole; and a second connector, the second connection The device includes a second insulator, a plurality of second terminals and at least a second magnet. The second insulator has a central tube, a plurality of inner cylinders and a second front shell. The central tube is provided with a first Four holes, the inner cylinders surround the outer intervals of the central tube body, each of the inner cylinders is provided with a fifth hole, and the second front shell is arranged at the outer intervals of the inner cylinders, The second insulator is provided with at least one fixing hole inside, and one end of the fixing hole is connected with the inside of the second front case. The second terminals are arranged on the second insulator, and one ends of the second terminals extend respectively. into the fourth hole and the fifth holes, the second magnet is disposed in the fixing hole, and one end of the second magnet extends to the inside of the second front case; wherein when the first connector and the When the second connectors cooperate with each other, the central cylinder can be inserted into the fourth hole, the inner cylinders can be inserted into the second holes respectively, and the first front shell is sleeved on the second front shell. The first terminals extending into the second holes are respectively inserted into the fifth holes, and the second terminals extending into the fourth holes are inserted into the first holes respectively. , the first terminals are respectively contacted with the second terminals to achieve electrical connection, and the second magnet can be inserted into the third hole, so that the first magnet and the second magnet can magnetically attract each other fixed.

The beneficial effect of this invention is that the magnetic connection device provided by this invention includes a first connector and a second connector. The first connector includes a first insulator, a plurality of first terminals and at least one first connector. A magnet, the first insulator has a central cylinder, an inner ring body and a first front shell. The center cylinder is provided with a plurality of first holes inside. The inner ring body is arranged at the outer interval of the central cylinder. There are a plurality of second holes and at least one third hole inside the ring body. The first front shell is arranged at the outer interval of the inner ring body. The central cylinder, the inner ring body and the first front shell form a three-layer joint structure. , one end of the first terminals respectively extends into the first hole and the second hole, the first magnet is arranged in the first insulator, and the first magnet corresponds to the third hole. The second connector includes a second insulator, a plurality of second terminals and at least a second magnet. The second insulator has a central tube body, a plurality of inner cylinders and a second front shell. A fourth hole is provided inside the tube body. The inner cylinders surround the outer intervals of the central tube body. Each of the inner cylinders is provided with a fifth hole. The second front shell is arranged on the inner cylinders. At the outer spacing of the second insulator, at least one fixing hole is provided inside the second insulator. One end of the second terminals extends to the fourth hole and the fifth hole respectively, and the second magnet is disposed in the fixing hole. When the first connector and the second connector cooperate with each other, the central cylinder can be inserted into the fourth hole, so that the central cylinder and the central tube body are firmly joined to each other, and the inner cylinders can be inserted into these inner cylinders respectively. In the second hole, the inner cylinders and the inner ring body are firmly connected to each other. The first front shell is sleeved outside the second front shell, so that the second front shell can be clamped on the inner ring body and the first front shell. Between the shells, the first connector and the second connector are connected firmly in layers, and the first terminals extending into the second holes are respectively inserted into the fifth holes, The second terminals extending into the fourth holes are respectively inserted into the first holes, so that the first terminals are in contact with the second terminals to achieve electrical connection, and the second magnets can be inserted into the first holes. The third hole can also increase the stability of the joint, and enable the first magnet and the second magnet to magnetically attract and fix each other. Therefore, the first connector and the second connector are firmly connected in layers, so a good mechanical connection can be achieved without loosening and deflection, and a good electrical connection can also be achieved.

In order to further understand the characteristics and technical content of this creation, please refer to the following detailed description and diagrams about this creation. However, the diagrams provided are only for reference and illustration and are not used to limit this creation.

1: First insulator

11:Center cylinder

111: First hole

12: Inner ring body

121:Second hole

122:Third hole

123: First fool-proofing unit

13:First front shell

14: Screw connection part

2: First terminal

3:First magnet

5: Second insulator

51:Center tube body

511: The fourth hole

52: Inner cylinder

521:Fifth hole

53: Second front shell

531:Second fool prevention department

54:Fixing hole

6: Second terminal

7:Second magnet

100: First connector

200: Second connector

300:Host

400: handle

500: consumables

Figure 1 is a three-dimensional exploded view of the magnetic connection device of this invention.

Figure 2 is a three-dimensional exploded view of the magnetic connection device from another angle.

Figure 3 is a three-dimensional view of the magnetic connection device of this invention.

Figure 4 is a three-dimensional image of the magnetic connection device from another angle.

Figure 5 is a V-V cross-sectional view of Figure 3.

Figure 6 is a VI-VI cross-sectional view of Figure 3.

Figure 7 is a cross-sectional view of Figure 5 in the plugged-in state.

Figure 8 is a cross-sectional view of Figure 6 in the plugged-in state.

Figure 9 is a schematic diagram of the magnetic connection device of this invention in use.

Figure 10 is a schematic diagram of another usage state of the magnetic connection device of this invention.

The following is a specific and concrete example to illustrate the implementation method disclosed by this creation. The technical personnel in this field can understand the advantages and effects of this creation from the content disclosed in this manual. This creation can be implemented or applied through other different specific embodiments, and the details in this manual can also be modified and changed in various ways based on different viewpoints and applications without deviating from the concept of this creation. In addition, the attached figures of this creation are only for simple schematic illustrations and are not depicted according to actual sizes. Please note in advance. The following implementation method will further explain the relevant technical content of this creation in detail, but the disclosed content is not used to limit the scope of protection of this creation. In addition, the term "or" used in this article may include any one or more combinations of the related listed items depending on the actual situation.

[Example]

Referring to FIGS. 1 to 4 , the present invention provides a magnetic connection device, which includes a first connector 100 and a second connector 200 .

The first connector 100 includes a first insulator 1, a plurality of first terminals 2 and at least one first magnet 3. The first insulator 1 is made of insulating materials such as plastic. The first insulator 1 has a central column 11, an inner ring 12 and a first front shell 13, and the central column 11, the inner ring 12 and the first front shell 13 are close to one end (front end) of the first insulator 1. The central column 11 may be cylindrical, and a plurality of first holes 111 are provided inside the central column 11 (as shown in FIG. 5 and FIG. 6 ). The first holes 111 may be circular holes, and the first holes 111 penetrate to one end (front end) of the central column 11, wherein one first hole 111 is located at the center of the central column 11, and the other first holes 111 are located between the center and the outer edge of the central column 11, so that the first holes 111 are densely distributed in the central column 11.

The inner ring body 12 can be in the form of a circular ring. The inner ring body 12 is arranged at an outer interval of the central cylinder 11. A plurality of second holes 121 are provided inside the inner ring body 12 (as shown in Figure 5). The second holes 121 may be circular holes, the second holes 121 penetrate to one end (front end) of the inner ring body 12 , and the second holes 121 are arranged at intervals. The inner ring body 12 is also provided with at least a third hole 122 (as shown in FIG. 6 ). The third hole 122 can be a circular hole. The third hole 122 penetrates to one end (front end) of the inner ring body 12 . ), the third hole 122 is provided between the two second holes 121. Preferably, there are two third holes 122. The two third holes 122 are located on opposite sides of the central cylinder 11, and the two third holes 122 and the central cylinder 11 can be arranged side by side in the radial direction of the first insulator 1. Preferably, the second holes 121 and the third holes 122 are arranged at equal angular intervals in the first insulator 1. The second holes 121 and the third holes 122 are spaced apart and distributed in a ring shape (360 degrees), which can provide a larger number of first terminals 2 and ensure even insertion force. Preferably, the outer edge of the inner ring body 12 may be provided with at least one first fool-proof portion 123 that is concave or protruding.

The first front shell 13 can be in the form of a circular ring. The first front shell 13 is arranged at an outer interval of the inner ring body 12 . The central cylinder 11 , the inner ring body 12 and the first front shell 13 form three sides from the inside to the outside. In the joint structure of the layers, the central cylinder 11, the inner ring body 12 and the first front shell 13 can be arranged in concentric circles. Preferably, the first insulator 1 can also be provided with a screw portion 14 at the rear of the first front shell 13 so as to be locked to a board or other device with a nut.

The first terminals 2 are made of a metal material with good conductivity. The first terminals 2 are arranged on the first insulator 1. One end (front end) of the first terminals 2 can be in the form of a male or female head. One end (front end) of the first terminals 2 extends into the first hole 111 of the central cylinder 11 and the second hole 121 of the inner ring body 12 respectively (as shown in FIGS. 5 and 6 ).

In this embodiment, one end of the first terminal 2 extending into the first hole 111 is in the form of a female head, and one end of the first terminal 2 extending into the second hole 121 is in the form of a male head. The diameter of the second hole 121 is larger than the diameter of the first hole 111 , that is, the second hole 121 is a hole with a larger diameter. One end of the first terminals 2 is located at the center of the second holes 121 respectively. The first terminals in the second holes 121 2 can be a high voltage terminal. The other end (rear end) of the first terminals 2 can be exposed to the other end (rear end) of the first insulator 1 so as to be electrically connected to other equipment.

The first magnet 3 is disposed in the first insulator 1 (as shown in FIG. 6 ). Preferably, there are two first magnets 3, and the two first magnets 3 correspond to the two third holes 122 respectively. The two first magnets 3 are located on opposite sides of the central column 11, and the two first magnets 3 and the central column 11 can be arranged side by side in the radial direction of the first insulator 1, so that the two first magnets 3 obtain an optimal configuration and can provide a better magnetic attraction effect. The third hole 122 is located in front of the first magnet 3, and the third hole 122 in front of the first magnet 3 can be inserted into the corresponding magnet.

The second connector 200 includes a second insulator 5, a plurality of second terminals 6 and at least one second magnet 7. The second insulator 5 is made of insulating materials such as plastic. The second insulator 5 has a central tube 51, a plurality of inner cylinders 52 and a second front shell 53. The central tube 51, the inner cylinder 52 and the second front shell 53 are close to one end (front end) of the second insulator 5. The central tube 51 can be a circular tube, and a fourth hole 511 is provided inside the central tube 51 (as shown in Figures 5 and 6). The fourth hole 511 can be a circular hole, and the fourth hole 511 penetrates to one end (front end) of the central tube 51.

The inner cylinders 52 may be in the shape of a cylinder. The inner cylinders 52 surround the outer intervals of the central tube 51 and are arranged at intervals. The inner cylinders 52 are respectively connected with the third ones. The two holes 121 correspond to each other. Each of the inner cylinders 52 is provided with a fifth hole 521 (as shown in FIG. 5 ). The fifth holes 521 may be circular holes. The fifth holes 521 penetrate through the inner cylinders 52 respectively. one end (front end).

The second front shell 53 can be in the form of an annular body, and the second front shell 53 is disposed at outer intervals of the inner cylinders 52 . The central tube 51 and the second front shell 53 can be disposed in concentric circles, so that the center The cylinder 11, the inner ring body 12, the first front shell 13, the central tube body 51, and the second front shell 53 can be plugged into each other to form a stable joint. Preferably, the inner edge of the second front shell 53 may be provided with at least one protruding or concave first Two fool-proof parts 531, the first fool-proof part 123 and the second fool-proof part 531 correspond to each other. When the first connector 100 and the second connector 200 are plugged into each other, the first fool-proof part 123 and the second fool-proof part 531 531 can cooperate with each other to achieve foolproof effect.

The second insulator 5 is also provided with at least one fixing hole 54 (as shown in FIG. 6 ) inside. The fixing hole 54 can be a circular hole. One end (front end) of the fixing hole 54 is connected to the inside of the second front shell 53 . For communication, preferably, two fixing holes 54 are provided, and the two fixing holes 54 are located on opposite sides of the central tube body 51 .

The second terminals 6 are made of a metal material with good conductivity. The second terminals 6 are arranged on the second insulator 5. One end (front end) of the second terminals 6 can be in the form of a female connector or a male connector. One end (front end) of the second terminals 6 respectively extends into the central tube body 51 and the inner cylinders 52 (as shown in FIG. 5 ). One end of the second terminals 6 extends to the third end of the central tube body 51 respectively. In the four holes 511 and the fifth holes 521 of the inner cylinders 52 .

In this embodiment, one end of the second terminal 6 extending into the fourth hole 511 is in the form of a male head, and one end of the second terminal 6 extending into the fifth hole 521 is in the form of a female head, so that the first terminals One end of 2 and one end of the second terminals 6 can be joined to each other, and the second terminal 6 in the fifth hole 521 can be a high-voltage terminal. The diameter of the fourth hole 511 may be larger than the diameter of the fifth hole 521, that is, the fourth hole 511 is a hole with a larger diameter. The other end (rear end) of the second terminals 6 can be exposed to the other end (rear end) of the second insulator 5 so as to be electrically connected to other equipment.

The second magnet 7 is disposed in the second insulator 5 (as shown in Figure 6). Preferably, there are two second magnets 7. The two second magnets 7 can be disposed in the two fixing holes 54 respectively, and the two second magnets 7 can be disposed in the two fixing holes 54 respectively. One end of the second magnet 7 extends to the inside of the second front case 53 , so that the two second magnets 7 are located on opposite sides of the central tube 51 , and the two second magnets 7 and the central tube 51 can be on the second insulator 5 are arranged side by side in the radial direction. Preferably, the inner cylinders 52 and the second magnets 7 are arranged at equal angular intervals on the second insulator 5, so that the two second magnets 7 can obtain an optimal configuration and provide better Magnetic effect. The inner cylinders 52 and the second magnets 7 are spaced apart and distributed in a ring shape (360 degrees), which can provide a larger number of second terminals 6 and plug them in. Average receptivity.

Please refer to Figures 5 to 8. When the first connector 100 and the second connector 200 cooperate with each other, the center column 11 can be inserted into the fourth hole 511, so that the center column 11 and the center tube 51 cooperate with each other, and the inner columns 52 can be respectively inserted into the second holes 121, so that the inner columns 52 and the inner ring body 12 cooperate with each other, and the center tube body 51 can be clamped between the center column 11 and the inner ring body 12, the first front shell 13 is sleeved outside the second front shell 53, and the second front shell 53 can be clamped between the inner ring body 12 and the first front shell 13, so that the first connector 100 and the second connector 200 are stably connected layer by layer. The first terminals 2 extending into the second holes 121 are respectively inserted into the fifth holes 521, and the second terminals 6 extending into the fourth holes 511 are respectively inserted into the first holes 111, so that the first terminals 2 are respectively in contact with the second terminals 6 to achieve electrical connection. The second magnet 7 can be inserted into the third hole 122 of the inner ring body 12, so that the first magnet 3 and the second magnet 7 can be magnetically fixed to each other, and the first connector 100 and the second connector 200 can be stably connected.

In addition, as shown in Figure 9, the magnetic connection device of the present invention can also be connected to a cable 300 for signal transmission between devices. As shown in Figure 10, the magnetic connection device of the present invention can also be used in the shock wave intravascular lithotripsy surgery connection system, and can also be used in the host 300, handle 400 and consumables 500 of medical equipment such as the shock wave endovascular lithotripsy surgery connection system. transmission of signals between.

[Beneficial effects of the embodiment]

The beneficial effect of this invention is that the magnetic connection device provided by this invention includes a first connector and a second connector. The first connector includes a first insulator, a plurality of first terminals and at least one first connector. A magnet. The first insulator has a central cylinder, an inner ring body and a first front shell. A plurality of first holes are provided inside the central cylinder. The inner ring body is arranged at an outer interval of the central cylinder. There are a plurality of second holes and at least one third hole inside. The first front shell is arranged at the outer interval of the inner ring body. The central cylinder, the inner ring body and the first front shell form a three-layer joint structure. One end of the first terminal extends into the first hole and the second hole respectively, the first magnet is disposed in the first insulator, and the One magnet corresponds to the third hole. The second connector includes a second insulator, a plurality of second terminals and at least a second magnet. The second insulator has a central tube body, a plurality of inner cylinders and a second front shell. The central tube body is provided with a The fourth hole, the inner cylinders surround the outer intervals of the central tube body, each of the inner cylinders is provided with a fifth hole, the second front shell is arranged at the outer intervals of the inner cylinders, the third At least one fixing hole is provided inside the two insulators. One ends of the second terminals extend into the fourth hole and the fifth hole respectively, and the second magnets are arranged in the fixing holes. When the first connector and the second connector cooperate with each other, the central cylinder can be inserted into the fourth hole, so that the central cylinder and the central tube body are firmly joined to each other, and the inner cylinders can be inserted into these inner cylinders respectively. In the second hole, the inner cylinders and the inner ring body are firmly connected to each other. The first front shell is sleeved outside the second front shell, so that the second front shell can be clamped on the inner ring body and the first front shell. Between the shells, the first connector and the second connector are connected firmly in layers, and the first terminals extending into the second holes are respectively inserted into the fifth holes, The second terminals extending into the fourth holes are respectively inserted into the first holes, so that the first terminals are in contact with the second terminals to achieve electrical connection, and the second magnets can be inserted into the first holes. The third hole can also increase the stability of the joint, and enable the first magnet and the second magnet to magnetically attract and fix each other. Therefore, the first connector and the second connector are firmly connected in layers, so a good mechanical connection can be achieved without loosening and deflection, and a good electrical connection can also be achieved. The special design of the first insulator and the second insulator of this creation can increase the air gap and creepage distance between two adjacent terminals, thereby increasing the withstand voltage test value, effectively avoiding sparks, breakdown, etc. between the terminals after meeting a specific high voltage. phenomenon.

The above disclosed contents are only the preferred feasible embodiments of this creation, and do not limit the scope of patent application of this creation. Therefore, all equivalent technical changes made by using the description and diagram contents of this creation are included in the scope of patent application of this creation.

1: The first insulator

11: Central column

111:The first hole

12: Inner ring body

121:Second hole

122:Third hole

123:First fool prevention department

13: First front shell

14:Screw joint

2: First terminal

3: The first magnet

5: Second insulator

53: Second front shell

6: Second terminal

7:Second magnet

100: first connector

200: Second connector

Claims (10)

A magnetic connection device, including: A first connector, the first connector includes a first insulator, a plurality of first terminals and at least a first magnet, the first insulator has a central cylinder, an inner ring body and a first front shell, The central cylinder is provided with a plurality of first holes inside, the inner ring body is arranged at the outer spacing of the central cylinder, and the inner ring body is provided with a plurality of second holes and at least one third hole. The first front shell is disposed at the outer interval of the inner ring body, the first terminals are disposed on the first insulator, and one ends of the first terminals respectively extend into the first holes and the second holes, The first magnet is disposed in the first insulator, and the first magnet corresponds to the third hole; and A second connector, the second connector includes a second insulator, a plurality of second terminals and at least a second magnet, the second insulator has a central tube, a plurality of inner cylinders and a second front shell , a fourth hole is provided inside the central tube body, the inner cylinders surround the outer intervals of the central tube body, each of the inner cylinders is provided with a fifth hole, and the second front shell is arranged on At the outer intervals of the inner cylinders, at least one fixing hole is provided inside the second insulator. One end of the fixing hole is connected to the inside of the second front case. The second terminals are provided on the second insulator. , one end of the second terminals extends to the fourth hole and the fifth hole respectively, the second magnet is disposed in the fixing hole, and one end of the second magnet extends to the inside of the second front case ; When the first connector and the second connector cooperate with each other, the central cylinder can be inserted into the fourth hole, the inner cylinders can be inserted into the second holes respectively, and the first front The shell is set outside the second front shell, and the first terminals extending into the second holes are respectively inserted into the fifth holes, and the second terminals extending into the fourth holes are inserted into the fifth holes. are inserted into the first holes respectively, so that the first terminals are in contact with the second terminals respectively to achieve electrical connection, and the second magnet can be inserted into the third hole, so that the first magnet and the second magnet can magnetically attract and fix each other. The magnetic connection device of claim 1, wherein the central cylinder is a cylinder, the inner ring is a torus, the first front shell is a torus, the central cylinder, the inner ring and The first front shell is arranged in a concentric circle, the central tube body is a circular tube body, the second front shell is an annular body, and the central tube body and the second front shell are arranged in a concentric circle. A magnetic connection device as described in claim 1, wherein the third holes are provided with two, and the two third holes are located on opposite sides of the central column; the first magnets are provided with two, and the two first magnets are respectively provided in the two third holes, and the two first magnets are located on opposite sides of the central column; the fixing holes are provided with two, and the two fixing holes are located on opposite sides of the central tube; the second magnets are provided with two, and the two second magnets are respectively provided in the two fixing holes, and the two second magnets are located on opposite sides of the central tube. As described in claim 1, the second holes and the third holes are arranged at equal angles on the first insulating body, and the inner cylinders and the second magnet are arranged at equal angles on the second insulating body. A magnetic connection device as described in claim 1, wherein the first magnets are provided in two numbers, the two first magnets are located on opposite sides of the central column, and the two first magnets and the central column are arranged side by side in the radial direction of the first insulating body; and the second magnets are provided in two numbers, the two second magnets are located on opposite sides of the central tube, and the two second magnets and the central tube are arranged side by side in the radial direction of the second insulating body. The magnetic connection device according to claim 1, wherein the outer edge of the inner ring body is provided with at least one concave or protruding first anti-fooling portion, and the inner edge of the second front shell is provided with a protruding or concave portion. At least one second fool-proof part is inserted, and the first fool-proof part corresponds to the second fool-proof part. When the first connector and the second connector are plugged into each other, the first fool-proof part and the second fool-proof part The second foolproof parts can cooperate with each other. The magnetic connection device as claimed in claim 1, wherein one end of the first terminals extending into the first holes is in the form of a female head, and an end of the first terminals extending into the second holes is in the form of a female head. One end is in the form of a male head, one end of the second terminals extending into the fourth hole is in the form of a male head, and one end of the second terminals extending into the fifth holes is in the form of a female head, so that the One end of the first terminal and one end of the second terminals can be coupled to each other. The magnetic connection device of claim 1, wherein one of the first holes is located at the center of the central cylinder, and the other first holes are located between the center and the outer edge of the central cylinder. A magnetic connection device as described in claim 1, wherein when the first connector and the second connector cooperate with each other, the central tube body is clamped between the central column and the inner ring body, and the second front shell is clamped between the inner ring body and the first front shell. The magnetic connection device of claim 1, wherein the second holes and the third holes are spaced apart and distributed in an annular shape, and the inner cylinders and the second magnets are spaced apart and distributed in an annular shape. .

Images