CN209746199U

CN209746199U - Optical module convenient to dismantle

Info

Publication number: CN209746199U
Application number: CN201920593591.6U
Authority: CN
Inventors: 徐平
Original assignee: Nanjing Chaoshan Communication Technology Co Ltd
Current assignee: Nanjing Chaoshan Communication Technology Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2019-12-06
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses an optical module convenient to dismantle uses in communication technology field, and its technical scheme main points are: the optical module comprises an optical module, a base and a shell, wherein the base and the shell are arranged on the optical module, a circuit board is arranged on the base in an inner cavity between the base and the shell, a first supporting block used for supporting the circuit board is fixedly connected to the inner side of the base along the length direction, a light receiver and a light emitter are connected to the circuit board, U-shaped clamping grooves are formed in two sides of one side, facing the shell, of the base along the length direction, U-shaped clamping grooves are fixedly connected to two sides of the shell along the length direction, protruding blocks matched with the U-shaped clamping grooves are inserted into the U-shaped clamping grooves, the shell is supported on the base and is connected to the base through screw threads, elastic ring pieces are clamped and sleeved on the outer sides of the base and the shell, a groove is; has the technical effects that: the difficulty of the operator in disassembling the optical module is reduced.

Description

Optical module convenient to dismantle

Technical Field

The utility model relates to the field of communication technology, in particular to optical module convenient to dismantle.

Background

In the field of communication technology, the application of an optical module is very wide, the optical module is composed of an optoelectronic device, a functional circuit, an optical interface and the like, and the optoelectronic device comprises a transmitting part and a receiving part. The optical module is used for photoelectric conversion, a transmitting end converts an electric signal into an optical signal, and a receiving end converts the optical signal into the electric signal after the optical signal is transmitted through an optical fiber. The current optical module includes that base and joint lock are in the casing of base top, and the casing passes through screw threaded connection on the base, and the fixed restriction of circuit board is on the base and the restriction is in the casing, and the outside joint cover of base and casing is equipped with the elasticity card, and the outside of base and casing has set firmly the arch, and the elasticity card is seted up flutedly to one side of base and casing, and protruding restriction is in the recess, and the seamless joint of elasticity card is in the outside of base and casing.

When being located the circuit board of casing when breaking down, the operator need open the casing and overhaul the circuit board of the inside, but because the seamless joint of elasticity card is in the outside of base and casing, the operator need spend longer time with the dismantlement of elasticity card from base and casing get off, the operation degree of difficulty is great.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an optical module convenient to dismantle, its advantage is: the difficulty of the operator in disassembling the optical module is reduced.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an optical module convenient to dismantle, includes optical module and sets up base and the casing on the optical module, install the circuit board on the base in the inner chamber between base and the casing, and the inboard rigid coupling of base along length direction has the first tray that is used for supporting circuit board, be connected with photoreceiver and light emitter on the circuit board, U type draw-in groove has all been seted up along length direction's both sides to one side of base towards the casing, the casing has the lug with U type draw-in groove looks adaptation along length direction's both sides rigid coupling, the lug is pegged graft in U type draw-in groove, the casing supports on the base and through screw threaded connection on the base, the outside card cover of base and casing has the elastic ring piece, protruding part on the base is seted up flutedly towards the one end of elastic ring piece, the elastic ring piece joint is in the recess.

through above-mentioned technical scheme, during the installation, the operator with the circuit board install on the base and with the circuit board support on first tray, then the operator supports the casing on the base to slide the casing along the base and make the lug on the casing peg graft in U type draw-in groove, then through screw with casing threaded connection on the base. Finally, the operator clamps the elastic ring piece on the outer sides of the shell and the base and pushes the elastic ring piece to clamp the elastic ring piece in the groove on the base. When the circuit board breaks down, an operator slides and moves the elastic ring piece out of the groove on the base forcibly, breaks the elastic ring piece from the outer sides of the shell and the base and dismantles the elastic ring piece, then screws off the screw, takes the shell off the base, and overhauls and replaces the circuit board. Because the elastic ring piece is in plane and plane contact between the outer sides of the shell and the base, and the elasticity of the elastic ring piece is large, an operator can detach the elastic ring piece by breaking the elastic ring piece from the outer sides of the shell and the base, the difficulty in detaching the elastic ring piece is reduced, the difficulty in detaching the optical module by the operator is reduced, and the working efficiency is improved.

The utility model discloses further set up to: one side of the elastic ring piece, which is far away from the shell, is provided with anti-skid grains.

Through above-mentioned technical scheme, the setting of anti-skidding line is favorable to increasing the frictional force between operator's finger and the elasticity ring piece to be convenient for the operator with the elasticity ring piece from the recess internal slipping on the base remove and break away from the outside of base and casing.

The utility model discloses further set up to: the optical transceiver end of the optical module is provided with a pull ring used for unlocking the optical module and the connecting equipment, one end of the base and one end of the shell, which are close to the optical transceiver end of the optical module, are opposite, and one side of the base and the shell is limited in the first limit groove.

Through the technical scheme, when an operator needs to unlock the optical module from the connecting equipment, the operator rotates the pull ring in the first limit groove, so that the pull ring is parallel to the optical module, then the operator pulls the pull ring until the optical module is unlocked from the connecting equipment, and the operation is simple and convenient.

The utility model discloses further set up to: the base has seted up the spout that first spacing groove is linked together towards one side of casing, the spout internal slipping is connected with the slider, the slider is inconsistent with the pull ring towards the one end of pull ring, the one end rigid coupling of keeping away from the pull ring at the slider on the cell wall of spout on the base has the stopper, the guide way has been seted up towards one side of spout to the slider, be equipped with compression spring in the guide way, compression spring's both ends are contradicted between the tank bottom of stopper and guide way.

Through above-mentioned technical scheme, under the normal condition, compression spring is extruded between the guide way of stopper and slider to the slider is inconsistent with the pull ring, and the effect of the restriction that plays the pull ring has reduced the pull ring and has rotated at will in first spacing inslot probably.

The utility model discloses further set up to: the light receiver and the light emitter on the circuit board are respectively clamped in the two second limiting grooves, and one side of the second supporting block, which deviates from the light receiver and the light emitter, is abutted to the shell.

Through above-mentioned technical scheme, the setting of first supporting shoe and second supporting shoe has played limiting displacement to photoreceiver and the optical emitter on the circuit board, has increased the stability of being connected between photoreceiver and the optical emitter on circuit board and the base.

The utility model discloses further set up to: the inner wall of the base is fixedly connected with a second supporting block used for supporting the circuit board, one side of the second supporting block facing the circuit board is fixedly connected with an inserting block, and the edge of the circuit board is provided with a through groove for the inserting block to penetrate through.

Through above-mentioned technical scheme, the circuit board supports on the second tray to logical groove on the circuit board is worn to establish by the plug block on the second tray, has played limiting displacement to the circuit board, has further increased the stability of being connected between circuit board and the base.

The utility model discloses further set up to: the outer side of casing and the articulated connecting plate that is connected with the L type that is close to the one end of the light receiving and dispatching end of optical module, wear to be equipped with the connecting rod on the connecting plate, the connecting rod has the rubber buffer towards the one end rigid coupling of the light receiving and dispatching end of optical module, the rubber buffer joint is at the internal periphery of the light receiving and dispatching end of optical module.

through the technical scheme, after the optical module is used, an operator rotates the connecting plate around the hinged position between the connecting plate and the outer wall of the shell, and then pushes the connecting rod towards the light receiving and transmitting end of the optical module, so that the rubber plug is clamped on the inner periphery of the light receiving and transmitting end of the optical module, the light receiving and transmitting end of the optical module is sealed, the possibility that dust enters the light receiver and the light emitter through the light receiving and transmitting end of the optical module and is damaged is reduced, and the dustproof effect is achieved. When the optical module is needed, the rubber plug is taken out from the optical transceiving end of the optical module through the movable connecting rod. Meanwhile, the rubber plug is arranged on the connecting plate connected with the shell, so that the possibility that the rubber plug is separately stored and easily lost when being taken down from the light receiving and transmitting end of the optical module is reduced.

The utility model discloses further set up to: the base is fixedly connected with a radiating fin below the circuit board, the radiating fin is in contact with the circuit board, and the radiating fin penetrates through the base to the outside of the base.

Through above-mentioned technical scheme, during operation, on the temperature transmission fin to the radiator fin on the circuit board to give off the outside of heat transmission base through the radiator fin, the setting of radiator fin has increased the heat radiating area of circuit board, has improved the radiating effect to the circuit board, has reduced the possibility that the surface of circuit board burns out because of the temperature is higher easily.

To sum up, the utility model discloses following beneficial effect has:

1. The difficulty of disassembling the optical module by an operator is reduced, and the operation is simple and convenient;

2. The possibility that dust enters the optical receiver and the optical transmitter from the optical transceiving end of the optical module is reduced, and the dustproof effect is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an exploded structural diagram for embodying the optical module according to the present embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram for embodying the mounting structure between the tab and the base in the present embodiment.

Fig. 5 is an enlarged view of a portion B in fig. 4.

Reference numerals: 1. an optical module; 2. a base; 3. a housing; 4. an inner cavity; 5. a circuit board; 6. an optical receiver; 7. a light emitter; 8. a U-shaped clamping groove; 9. a bump; 10. a screw; 11. an elastic ring piece; 12. a groove; 13. anti-skid lines; 14. a pull ring; 15. a first limit groove; 16. a chute; 17. a slider; 18. a guide groove; 19. a limiting block; 20. a compression spring; 21. a first support block; 22. a second support block; 23. a second limit groove; 24. a second support block; 25. an insertion block; 26. a through groove; 27. a connecting plate; 28. an optical transceiver end; 29. a connecting rod; 30. a rubber plug; 31. a heat sink; 32. a first support block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides an optical module convenient to dismantle, refer to fig. 2, including optical module 1 and base 2 and the casing 3 of setting on optical module 1, install circuit board 5 on base 2 in the inner chamber 4 between base 2 and the casing 3, be connected with photoreceiver 6 and light emitter 7 on the circuit board 5, and base 2 has first tray 32 and the second tray 24 that is used for supporting circuit board 5 along length direction's inboard welding, second tray 24 has the plug-in block 25 towards one side rigid coupling of circuit board 5, the edge of circuit board 5 is seted up and is supplied the logical groove 26 that plug-in block 25 wore to establish. The inner cavity 4 on the base 2 is provided with a first supporting block 21 and a second supporting block 22 on the base 2, the second supporting block 22 is bonded on the base 2, the second supporting block 22 is supported on the first supporting block 21 in a butting manner, and two second limiting grooves 23 are formed in one side, opposite to the first supporting block 21 and the second supporting block 22, of the first supporting block 21.

Referring to fig. 2, when the circuit board 5 is mounted, an operator firstly clamps the optical receiver 6 and the optical transmitter 7 on the circuit board 5 in the two second limiting grooves 23 on the first supporting block 21, then supports the circuit board 5 on the first supporting block 32 and the second supporting block 24, and makes the insertion block 25 on the second supporting block 24 penetrate through the through groove 26 on the circuit board 5, so as to increase the stability of connection between the circuit board 5 and the base 2. Then, the operator supports the second supporting block 22 on the first supporting block 21, so that the two second limiting grooves 23 on the second supporting block 22 respectively surround the optical receiver 6 and the optical transmitter 7 on the circuit board 5, and then mounts the housing 3 on the base 2, and at this time, one side of the second supporting block 22, which is away from the optical receiver 6 and the optical transmitter 7, abuts against the housing 3, thereby completing the mounting of the circuit board 5. Since the heat sink 31 is soldered to the base 2 below the circuit board 5, the heat sink 31 is in contact with the circuit board 5, and the heat sink 31 penetrates the base 2 from the inside to the outside of the base 2. The arrangement of the heat sink 31 is beneficial to increasing the heat dissipation area of the circuit board 5, so that the heat on the circuit board 5 can be dissipated through the heat sink 31.

Referring to fig. 1, 2 and 3, a groove 12 is formed in one end of a protruding portion of the base 2, U-shaped clamping grooves 8 are formed in two sides of one side, facing the shell 3, of the base 2 along the length direction, protruding blocks 9 are welded to two sides of the shell 3 along the length direction, and the shape of the protruding blocks 9 is matched with the U-shaped clamping grooves 8. When installing casing 3 on base 2, the operator supports casing 3 on base 2, then the operator slides casing 3 along the length direction of base 2, pegs graft in U type draw-in groove 8 until lug 9 on casing 3, then the operator is through two screw 10 threaded connection on base 2. Then the operator slips the elastic ring piece 11 on the outer sides of the base 2 and the shell 3, and slides the elastic ring piece 11 towards the groove 12 on the convex part on the base 2 until the elastic ring piece 11 is clamped in the U-shaped clamping groove 8. When the optical module 1 needs to be detached to overhaul the circuit board 5, an operator slides the elastic ring piece 11 in a direction away from the groove 12 until the elastic ring piece 11 is separated from the groove 12, then the operator slightly breaks the elastic ring piece 11 with hands and detaches the elastic ring piece 11 from the outer sides of the housing 3 and the base 2, then unscrews the two screws 10 from the housing 3 and slides the housing 3 away from the base 2, and the operation is simple and convenient. Because one side that elasticity ring piece 11 deviates from casing 3 is equipped with anti-skidding line 13, the setting of anti-skidding line 13 is favorable to increasing the frictional force between operator's finger and elasticity ring piece 11 to be convenient for the operator to remove elasticity ring piece 11.

Referring to fig. 4 and 5, the optical transceiver end 28 of the optical module 1 (fig. 1) is provided with a pull ring 14 for unlocking the optical module 1 and a connection device (not shown in the figures), one end of the base 2 and one end of the housing 3 close to the optical transceiver end 28 of the optical module 1 are provided with a first limit groove 15, and one side of the pull ring 14 is limited in the first limit groove 15. Base 2 has seted up the spout 16 that first spacing groove 15 is linked together towards one side of casing 3, the internal slip of spout 16 is connected with slider 17, slider 17 is inconsistent with pull ring 14 towards the one end of pull ring 14, the one end welding that pull ring 14 was kept away from at slider 17 on the cell wall of spout 16 on base 2 has stopper 19, slider 17 has seted up guide way 18 towards one side of spout 16, the diameter of the notch of guide way 18 is greater than stopper 19's width, be equipped with compression spring 20 in the guide way 18. Before the housing 3 is mounted on the base 2, an operator firstly places the compression spring 20 in the guide groove 18 of the sliding block 17, then places the sliding block 17 in the sliding groove 16 on the base 2, and makes the compression spring 20 abut against between the limiting block 19 and the groove bottom of the guide groove 18, then slides the sliding block 17 towards the direction away from the first limiting groove 15, the compression spring 20 is compressed, then the operator limits one side of the pull ring 14 in the first limiting groove 15, then the operator buckles the housing 3 (figure 2) above the base 2 and mounts the housing, and at this time, the compression spring 20 elastically recovers to make the sliding block 17 abut against the pull ring 14.

Referring to fig. 4 and 5, when it is desired to unlock the optical module 1 from the connecting device (not shown), the operator rotates the pull ring 14 in the first limiting groove 15 so that the pull ring 14 is parallel to the optical module 1, and then the operator pulls the pull ring 14 until the optical module 1 is unlocked from the connecting device. After the pull ring 14 is used, the operator rotates the pull ring 14 in the first limiting groove 15, so that the pull ring 14 is perpendicular to the optical module 1. In the process, the compression spring 20 is compressed, so that the sliding block 17 always props against the pull ring 14, and the pull ring 14 is limited.

Referring to fig. 1, an L-shaped connecting plate 27 is hinged to an end of the housing 3, which is close to the optical transceiver end 28 of the optical module 1, a connecting rod 29 is inserted into the connecting plate 27, and a rubber plug 30 is bonded to an end of the connecting rod 29, which faces the optical transceiver end 28 of the optical module 1. After the optical module 1 is used, an operator rotates the connecting plate 27 around the hinge between the connecting plate 27 and the outer wall of the housing 3, and then pushes the connecting rod 29 toward the optical transceiver end 28 of the optical module 1, so that the rubber plug 30 is clamped on the inner periphery of the optical transceiver end 28 of the optical module 1, and the optical transceiver end 28 of the optical module 1 is sealed, thereby reducing the possibility that dust enters the optical receiver 6 (fig. 2) and the optical transmitter 7 (fig. 2) through the optical transceiver end 28 of the optical module 1 and is damaged, and achieving the dustproof effect. When the optical module 1 needs to be used, the rubber plug 30 is taken out from the optical transmitting/receiving end 28 of the optical module 1 by moving the connecting rod 29, and the connecting plate 27 is turned over from the optical transmitting/receiving end 28 of the optical module 1.

The method comprises the following operation steps: when the circuit board 5 in the housing 3 is out of order and needs to be repaired, the operator slides the elastic ring piece 11 out of the groove 12 on the base 2, and then breaks the elastic ring piece 11 off from the outside of the housing 3 and the base 2 and removes the elastic ring piece. Then the operator unscrews the two screws 10 from the housing 3, removes the housing 3 from the base 2, removes the second supporting block 22 from the optical receiver 6 and the optical transmitter 7, and then takes the circuit board 5, together with the optical receiver 6 and the optical transmitter 7, out of the inner cavity 4 of the base 2 for maintenance or replacement, which is simple and convenient to operate.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. An optical module convenient to dismantle, its characterized in that: the optical module comprises an optical module (1), a base (2) and a shell (3) which are arranged on the optical module (1), wherein a circuit board (5) is arranged on the base (2) in an inner cavity (4) between the base (2) and the shell (3), a first supporting block (32) used for supporting the circuit board (5) is fixedly connected to the inner side of the base (2) along the length direction, an optical receiver (6) and an optical transmitter (7) are connected to the circuit board (5), U-shaped clamping grooves (8) are respectively formed in two sides of one side, facing the shell (3), of the base (2) along the length direction, convex blocks (9) matched with the U-shaped clamping grooves (8) are fixedly connected to two sides of the shell (3) along the length direction, the convex blocks (9) are inserted into the U-shaped clamping grooves (8), the shell (3) is supported on the base (2) and is in threaded connection with the base (2) through screws (10), elastic ring pieces (11) are sleeved on the outer sides of the base (2) and the shell (3), a groove (12) is formed in one end, facing the elastic ring pieces (11), of the protruding portion on the base (2), and the elastic ring pieces (11) are clamped in the groove (12).

2. The demountable optical module of claim 1, wherein: one side of the elastic ring piece (11) departing from the shell (3) is provided with anti-skid grains (13).

3. The demountable optical module of claim 1, wherein: the optical transceiver end (28) of the optical module (1) is provided with a pull ring (14) used for unlocking the optical module (1) and the connecting device, a first limit groove (15) is formed in one end, close to the optical transceiver end (28) of the optical module (1), of the base (2) and the shell (3) and in the opposite side, and one side of the pull ring (14) is limited in the first limit groove (15).

4. The demountable optical module of claim 3, wherein: base (2) are seted up spout (16) that first spacing groove (15) are linked together towards one side of casing (3), spout (16) internal slipping is connected with slider (17), slider (17) are inconsistent with pull ring (14) towards the one end of pull ring (14), the one end rigid coupling of keeping away from pull ring (14) at slider (17) on the cell wall of spout (16) on base (2) has stopper (19), guide way (18) have been seted up towards one side of spout (16) in slider (17), be equipped with compression spring (20) in guide way (18), the both ends of compression spring (20) are contradicted between the tank bottom of stopper (19) and guide way (18).

5. The demountable optical module of claim 1, wherein: be equipped with first supporting shoe (21) and second supporting shoe (22) on inner chamber (4) on base (2), second supporting shoe (22) fixed connection is on base (2), second supporting shoe (22) are contradicted and are supported on first supporting shoe (21), two second spacing grooves (23) have been seted up to one side that first supporting shoe (21) and second supporting shoe (22) are relative, photoreceiver (6) and light emitter (7) on circuit board (5) joint respectively in two second spacing grooves (23), one side that second supporting shoe (22) deviate from photoreceiver (6) and light emitter (7) is inconsistent with casing (3).

6. The demountable optical module of claim 1, wherein: the rigid coupling has second tray (24) that is used for supporting circuit board (5) on the inner wall of base (2), second tray (24) have plug block (25) towards one side rigid coupling of circuit board (5), logical groove (26) that confession plug block (25) were worn to establish are seted up to the edge of circuit board (5).

7. The demountable optical module of claim 1, wherein: the outside of casing (3) and the articulated connecting plate (27) that are connected with the L type of one end that is close to light receiving and dispatching end (28) of optical module (1), wear to be equipped with connecting rod (29) on connecting plate (27), connecting rod (29) have rubber buffer (30) towards the one end rigid coupling of light receiving and dispatching end (28) of optical module (1), rubber buffer (30) joint is at the internal periphery of light receiving and dispatching end (28) of optical module (1).

8. The demountable optical module of claim 1, wherein: the base (2) is fixedly connected with a radiating fin (31) below the circuit board (5), the radiating fin (31) is in contact with the circuit board (5), and the radiating fin (31) penetrates through the base (2) to be arranged outside the base (2).