CN216413316U

CN216413316U - Terminal seat suitable for photoelectric conversion module port

Info

Publication number: CN216413316U
Application number: CN202122936402.0U
Authority: CN
Inventors: 李清; 刘亚兵
Original assignee: Hisetec Electronic Co Ltd
Current assignee: Hisetec Electronic Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-29
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a terminal seat suitable for a port of a photoelectric conversion module, which comprises a terminal group, a first plastic part and a second plastic part, wherein the terminal group comprises a plurality of terminals arranged side by side, the terminals are integrally bent and formed and comprise elastic sheet parts, bending parts, connecting parts and inverted U-shaped mounting parts which are sequentially connected, the inverted U-shaped mounting parts are fixedly arranged in the first plastic part, the second plastic part is provided with a containing cavity, a fixing block is arranged in the containing cavity, one side of the fixing block is provided with a groove, the first plastic part is provided with an upper plate, one side of the upper plate, which is opposite to the fixing block, is provided with a convex block, the positions and the shapes of the convex block and the groove are matched, the convex block is connected with the groove in a clamping manner, the first plastic part is embedded in the containing cavity, and a buffer gap is arranged between the top of the upper plate and the top of the containing cavity. The terminal block has small volume and small occupied space, is matched with the shell of the photoelectric conversion module, is provided with the buffer gap, reduces the damage rate of the terminal block during assembly and reduces the cost.

Description

Terminal seat suitable for photoelectric conversion module port

Technical Field

The utility model relates to the technical field of network port terminal bases, in particular to a terminal base suitable for a port of a photoelectric conversion module.

Background

The RJ45 interface plays an important role in signal transmission as the most commonly used ethernet interface, and has wide application for RJ45 connectors used to mate with the interface. The existing SFP photoelectric conversion module is also called as an SFP electric port module, is a module supporting hot plug, has the characteristics of good compatibility and low power consumption, can be connected with or disconnected from equipment under the condition of uninterrupted power supply, and is widely applied to the field of short-distance communication. The network port of the existing SFP electric port module adopts an RJ45 interface, and a terminal block of the RJ45 interface is fixedly arranged in the SFP electric port module and is connected with a network cable. The space in the SFP electric port module is limited, and the existing RJ45 terminal block occupies a large volume and can not meet the requirement of the SFP electric port module on the occupied volume. And when the equipment, the terminal block will assemble on the PCB board, and current terminal block does not design the buffering, in the assembling process, often damages. Therefore, it is necessary to develop a terminal block suitable for use in a photoelectric conversion module, which occupies a small volume.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a terminal block suitable for a port of a photoelectric conversion module.

According to one aspect of the utility model, a terminal seat suitable for a port of a photoelectric conversion module is provided, which comprises a terminal group, a first plastic part and a second plastic part, wherein the terminal group comprises a plurality of terminals arranged side by side, the terminals are integrally bent and formed and comprise an elastic sheet part, a bending part, a connecting part and an inverted U-shaped mounting part which are sequentially connected, the inverted U-shaped mounting part is fixedly arranged in the first plastic part, the second plastic part is provided with an accommodating cavity, a fixing block is arranged in the accommodating cavity, one side of the fixing block is provided with a groove, the first plastic part is provided with an upper plate, one side of the upper plate, which is opposite to the fixing block, is provided with a convex block, the convex block is matched with the groove in position and shape, the convex block is connected with the groove in a clamping manner, the first plastic part is embedded in the accommodating cavity, and a buffer gap is arranged between the top of the upper plate and the top of the accommodating cavity.

The utility model has the beneficial effects that: according to the utility model, the second plastic part is provided with the containing cavity and the groove, the upper plate is provided with the bump, the bump is clamped in the groove, so that the first plastic part is embedded in the containing cavity and is tightly connected with the second plastic part, the buffering gap is arranged between the top of the upper plate and the top of the containing cavity, when the terminal base is assembled on the PCB and the shell is assembled, the buffering gap can ensure that a certain buffering space is formed between the upper plate and the top of the second plastic part, the first plastic part can conveniently move up and down in the containing cavity in a small amplitude, and the damage of the upper plate to the second plastic part during assembly is avoided. The utility model has simple structure, simple and convenient assembly, small volume of the terminal seat and small occupied space, is suitable for being matched with the photoelectric conversion module shell, is provided with the buffer gap, is convenient for installing and assembling the shell on a PCB, reduces the damage rate of the terminal seat and reduces the cost.

In some embodiments, the second plastic part includes base and back fixed part, and the back fixed part is equipped with roof, left side wall, right side wall and back wall, and roof, left side wall, right side wall and back wall enclose into and hold the chamber, and the fixed block respectively with roof, left side wall and right side wall fixed connection, cushion the gap and lie in between the top of upper plate and the roof. The second plastic portion only includes base and back fixed part, compares with prior art and reduces the left and right sides bearing structure on the base, further reduces the whole occupation space of terminal seat, is applicable to the requirement of photoelectric conversion module group to occupation volume. The accommodating cavity is used for accommodating and fixing the first plastic part and the terminal group. The buffering gap is used for buffering the displacement impact of the upper plate to the top plate in the assembling process, so that the top plate is prevented from being damaged, and the top plate is protected.

In some embodiments, the width of the buffer gap is 0.1mm to 0.2 mm. Not only can play the role of buffering protection, but also can ensure that the connection between the first plastic part and the second plastic part is reliable.

In some embodiments, the rear fixing portion is further provided with an upper fixing plate, the upper fixing plate is located above the top plate and fixedly connected to the top plate, a first fixing groove is formed between the upper fixing plate, the top plate and the left side wall, a second fixing groove is formed between the upper fixing plate, the top plate and the right side wall, the base upper surface is provided with a terminal accommodating groove, the base bottom surface is provided with a through groove, a left fixing groove and a right fixing groove, the through groove is located at the middle position of the base bottom surface, and the left fixing groove and the right fixing groove are symmetrically distributed on the left side and the right side of the through groove. The upper fixed plate is used for reinforcing and protecting the top plate and is convenient to be installed in a matched mode with the shell. The first fixing groove and the second fixing groove facilitate the shell to be clamped on the rear fixing portion. The terminal accommodating groove is used for accommodating the bent part and the connecting part of the terminal. The through groove, the left fixing groove and the right fixing groove are convenient for fixing the base on the PCB.

In some embodiments, the rear wall is provided with a terminal installation groove, the terminal accommodation groove, the terminal installation groove and the accommodation cavity are communicated, and the bent portion and the connection portion are accommodated in the terminal accommodation groove.

In some embodiments, the inner sides of the left and right side walls are each provided with a longitudinal slot, a first transverse slot and a second transverse slot, the longitudinal slot being located in front of the first transverse slot, the second transverse slot being located below the first transverse slot. The longitudinal clamping groove is used for clamping a first clamping block, the first transverse guide groove is used for clamping a first guide block, and the second transverse guide groove is used for clamping a second guide block, so that the middle plate and the lower plate can be conveniently connected with the left side wall and the right side wall in a clamping manner, and the first plastic part is tightly connected with the second plastic part.

In some embodiments, the first plastic part is further provided with a middle plate and a lower plate, the upper plate and the lower plate are respectively located on the upper side and the lower side of the middle plate and are vertically connected with the two ends of the middle plate, the middle plate is provided with a first clamping block and a first guide block, the lower plate is provided with a second guide block, the first clamping block is located in front of the first guide block, the second guide block is located below the first guide block, the position, the shape and the size of the first clamping block are matched with the longitudinal clamping groove, the number of the first clamping blocks is two, the two first clamping blocks are symmetrically distributed on the left side and the right side of the middle plate, and the first clamping blocks are connected with the longitudinal clamping groove in a clamping mode. The first clamping block is clamped in the longitudinal clamping groove, the first guide block is clamped in the first transverse guide groove, the second guide block is clamped in the second transverse guide groove, the middle plate and the lower plate are connected with the left side wall and the right side wall in a clamping mode, and the first plastic part is tightly connected with the second plastic part.

In some embodiments, the positions, shapes and sizes of the first guide blocks are matched with the first transverse guide grooves, the number of the first guide blocks is two, the two first guide blocks are symmetrically distributed on the left side and the right side of the middle plate, the first guide blocks are connected with the first transverse guide grooves in a clamping mode, the positions, shapes and sizes of the second guide blocks are matched with the second transverse guide grooves, the number of the second guide blocks is two, the two second guide blocks are symmetrically distributed on the left side and the right side of the lower plate, and the second guide blocks are connected with the second transverse guide grooves in a clamping mode.

In some embodiments, the inverted U-shaped mounting portion includes a first vertical portion, a second vertical portion and a second vertical portion, wherein the first vertical portion is connected to the connecting portion, the first vertical portion is parallel to the second vertical portion, and the second vertical portion passes through the middle plate and is connected to the middle plate by injection molding. The second vertical part is fixed in the middle plate in an injection molding mode, and the terminal group is fixedly arranged in the first plastic part.

In some embodiments, the second connecting portion is parallel to the middle plate and closely attached to the surface of the middle plate, and the first vertical portion is parallel to the lower plate and closely attached to the surface of the lower plate. First perpendicular portion and second connecting portion do not mould plastics in medium plate and hypoplastron, have reduced the volume of first plastic part, have reduced the volume that occupies of terminal seat, are fit for matching with photoelectric conversion module shell.

Drawings

Fig. 1 is a schematic structural diagram of a terminal block suitable for a port of a photoelectric conversion module according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a terminal block suitable for a port of a photoelectric conversion module according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a first plastic part and a terminal of a terminal block suitable for a port of a photoelectric conversion module according to an embodiment of the present invention.

Fig. 4 is a right side view of a first plastic part of a terminal block suitable for a port of a photoelectric conversion module according to an embodiment of the present invention.

Fig. 5 is a right side view of a second plastic part of a terminal block suitable for a port of a photoelectric conversion module according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a terminal-receiving groove and a terminal-mounting groove of a terminal block suitable for a port of a photoelectric conversion module according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a second plastic portion of a terminal block suitable for a port of a photoelectric conversion module according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to examples.

Referring to fig. 1 to 7, the present invention provides a terminal block suitable for a port of a photoelectric conversion module, including a terminal group 1, a first plastic part 2 and a second plastic part 3.

The second plastic part 3 includes a base 33 and a rear fixing part 32, and the rear fixing part 32 is provided with an upper fixing plate 325, a top plate 321, a left side wall 322, a right side wall 323 and a rear wall 324. The top plate 321, the left side wall 322, the right side wall 323 and the rear wall 324 enclose an accommodating cavity, a fixing block 31 is arranged in the accommodating cavity, the fixing block 31 is fixedly connected with the top plate 321, the left side wall 322 and the right side wall 323 respectively, and a groove 311 is formed in one side of the fixing block 31. The supporting structures on the left side and the right side are not arranged above the base of the second plastic part, so that the volume of the second plastic part is reduced. The thicknesses of the upper fixing plate 325, the top plate 321, the left side wall 322, the right side wall 323 and the rear wall 324 are all reduced compared with the prior art, and the occupied space of the second plastic part 3 is reduced as a whole.

The upper fixing plate 325 is located above the top plate 321 and is fixedly connected to the top plate 321. A first fixing groove 327 is formed between the upper fixing plate 325, the top plate 321, and the left sidewall 322, and a second fixing groove 328 is formed between the upper fixing plate 325, the top plate 321, and the right sidewall 323. The provision of the first and

second fixing grooves

327 and 328 facilitates the snap-fitting of the housing to the rear fixing portion 32.

The inner sides of the left side wall 322 and the right side wall 323 are respectively provided with a longitudinal clamping groove 34, a first transverse guide groove 35 and a second transverse guide groove 36, the longitudinal clamping groove 34 is positioned in front of the first transverse guide groove 35, and the second transverse guide groove 36 is positioned below the first transverse guide groove 35. The longitudinal clamping groove 34, the first transverse guide groove 35 and the second transverse guide groove 36 are respectively connected with the first clamping block, the first guide block and the second guide block in a clamping mode, and the middle plate and the lower plate are connected with the left side wall and the right side wall.

The upper surface of base 33 is equipped with terminal holding groove 331, and the base 33 bottom surface is equipped with logical groove 332, left fixed slot 333 and right fixed slot 334, leads to the intermediate position that groove 332 is located the base 33 bottom surface, and left fixed slot 333 and right fixed slot 334 symmetric distribution are in the logical groove 332 left and right sides. The rear wall 324 is provided with a terminal installation groove 3241, and the terminal receiving groove 331, the terminal installation groove 3241 and the receiving cavity are communicated. The through groove 332, the left fixing groove 333 and the right fixing groove 334 facilitate the snap-fitting of the base 33 on the PCB board.

The first plastic part 2 is provided with an upper plate 21, a middle plate 22 and a lower plate 23, wherein the upper plate 21 and the lower plate 23 are respectively positioned at the upper side and the lower side of the middle plate 22 and are vertically connected with the two ends of the middle plate 22. The upper plate 21 is provided with a convex block 211 at one side opposite to the fixed block 31, the convex block 211 is matched with the groove 311 in position and shape, and the convex block 211 is connected with the groove 311 in a clamping manner. The thickness of upper plate 21 is less than the thickness of fixed block 31, and first plastic part 2 inlays and is adorned in holding the intracavity, forms buffering gap 4 between the top of upper plate 21 and roof 321, and the width of buffering gap 4 is 0.1mm ~ 0.2 mm. Buffer gap 4 can make and have certain buffering space between upper plate 21 and roof 321, and the first plastic part 2 of being convenient for holds the interior small-amplitude of chamber and reciprocates, and when avoiding the assembly, upper plate 21 caused the damage to roof 321.

The middle plate 22 is provided with a first fixture block 221 and a first guide block 222, the lower plate 23 is provided with a second guide block 231, the first fixture block 221 is located in front of the first guide block 222, the second guide block 231 is located below the first guide block 222, the position, shape and size of the first fixture block 221 are matched with the longitudinal clamping groove 35, the number of the first fixture blocks 221 is two, the two first fixture blocks 221 are symmetrically distributed on the left side and the right side of the middle plate 22, and the first fixture blocks 221 are connected with the longitudinal clamping groove 34 in a clamping mode.

The position, shape and size of first guide block 222 all match with first horizontal guide slot 35, first guide block 222 is two, two first guide block 222 symmetric distribution are in the left and right sides of medium plate 22, first guide block 222 is connected with first horizontal guide slot 35 looks joint, the position, shape and size of second guide block 231 all match with second horizontal guide slot 36, second guide block 231 is two, two second guide block 231 symmetric distribution are in the left and right sides of hypoplastron 23, second guide block 231 is connected with second horizontal guide slot 36 looks joint. The middle plate and the lower plate are connected with the left side wall and the right side wall.

The terminal group 1 includes a plurality of terminals 11 arranged side by side, and the terminals 11 are integrally bent and formed and include an elastic piece portion 111, a bent portion 112, a connecting portion 113 and an inverted U-shaped mounting portion 114 which are connected in sequence. The inverted U-shaped mounting portion 14 includes a first vertical portion 141, a second connecting portion 142, and a second vertical portion 143 connected in this order. The first vertical portion 141 is connected to the connecting portion 13, the first vertical portion 141 is parallel to the second vertical portion 142, and the second vertical portion 143 passes through the middle plate 22 and is connected to the middle plate 22 by injection molding. The second connecting portion 142 is parallel to the middle plate 22 and closely attached to the surface of the middle plate 22, and the first vertical portion 141 is parallel to the lower plate 23 and closely attached to the surface of the lower plate 23. The bent portion 12 and the connecting portion 13 are accommodated in the terminal accommodating groove 331.

In the manufacturing process of the utility model, a plurality of terminals 11 are arranged side by side to form a terminal group 1, injection molding is carried out to obtain a first plastic part 2, a second vertical part 143 penetrates through a middle plate 22, and the terminal group 1 is fixedly installed on the first plastic part 2. And performing injection molding to obtain a second plastic part 3, inserting the first plastic part 2 and the terminal group 1 into the accommodating cavity, the terminal installation groove 3241 and the terminal accommodating groove 331 correspondingly, and enabling the bent part 112 and the connecting part 113 to be located in the terminal accommodating groove 331. The protrusion 211 is engaged with the recess 311 such that the buffer gap 4 exists between the upper plate 21 and the top plate 321. The first locking block 221, the first guiding block 222 and the second guiding block 231 are correspondingly connected with the longitudinal locking groove 34, the first transverse guiding groove 35 and the second transverse guiding groove 36 in a clamping manner, so that the first plastic part 2 is tightly connected with the second plastic part 3. The utility model has simple structure, simple and convenient assembly, small volume of the terminal seat and small occupied space, is suitable for being matched with the photoelectric conversion module shell, is provided with the buffer gap, is convenient for installing and assembling the shell on a PCB, reduces the damage rate of the terminal seat and reduces the cost.

The above description is only for the embodiments of the present invention, and it is obvious to those skilled in the art that various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. A terminal seat suitable for a port of a photoelectric conversion module is characterized by comprising a terminal group, a first plastic part and a second plastic part, the terminal group comprises a plurality of terminals arranged side by side, the terminals are integrally bent and formed and comprise elastic sheet parts, bent parts, connecting parts and inverted U-shaped mounting parts which are connected in sequence, the inverted U-shaped mounting part is fixedly arranged in the first plastic part, the second plastic part is provided with an accommodating cavity, a fixed block is arranged in the accommodating cavity, a groove is arranged on one side of the fixed block, an upper plate is arranged on the first plastic part, a convex block is arranged on one side of the upper plate opposite to the fixed block, the position and the shape of the convex block are matched with those of the groove, the lug with the recess looks joint is connected, first plastic portion inlay dress in hold the intracavity, the top of upper plate with hold and be equipped with the buffering gap between the top in chamber.

2. The terminal block of claim 1, wherein the second plastic portion comprises a base and a rear fixing portion, the rear fixing portion has a top plate, a left side wall, a right side wall and a rear wall, the top plate, the left side wall, the right side wall and the rear wall enclose the accommodating cavity, the fixing blocks are respectively fixedly connected with the top plate, the left side wall and the right side wall, and the buffer gap is located between the top of the upper plate and the top plate.

3. The terminal block suitable for a port of a photoelectric conversion module according to claim 2, wherein the width of the buffer gap is 0.1mm to 0.2 mm.

4. The terminal block of claim 3, wherein the rear fixing portion further comprises an upper fixing plate, the upper fixing plate is disposed above the top plate and fixedly connected to the top plate, a first fixing groove is formed among the upper fixing plate, the top plate and the left side wall, a second fixing groove is formed among the upper fixing plate, the top plate and the right side wall, the terminal receiving groove is disposed on the upper surface of the base, the bottom surface of the base is provided with a through groove, a left fixing groove and a right fixing groove, the through groove is disposed at a middle position of the bottom surface of the base, and the left fixing groove and the right fixing groove are symmetrically distributed on left and right sides of the through groove.

5. The terminal block for a port of a photoelectric conversion module according to claim 4, wherein the rear wall has a terminal mounting groove, the terminal receiving groove, the terminal mounting groove and the receiving cavity are communicated, and the bent portion and the connecting portion are received in the terminal receiving groove.

6. The terminal block of claim 3, wherein the left and right side walls are each provided at an inner side thereof with a longitudinal slot, a first transverse slot and a second transverse slot, the longitudinal slot being located in front of the first transverse slot, and the second transverse slot being located below the first transverse slot.

7. The terminal block suitable for a port of a photoelectric conversion module set as claimed in claim 6, wherein the first plastic part further comprises a middle plate and a lower plate, the upper plate and the lower plate are respectively located at the upper side and the lower side of the middle plate and are vertically connected to both ends of the middle plate, the middle plate is provided with a first clamping block and a first guide block, the lower plate is provided with a second guide block, the first clamping block is located in front of the first guide block, the second guide block is located below the first guide block, the position, shape and size of the first clamping block are matched with the longitudinal clamping groove, the number of the first clamping blocks is two, the two first clamping blocks are symmetrically distributed at the left side and the right side of the middle plate, and the first clamping block is connected to the longitudinal clamping groove in a clamping manner.

8. The terminal block suitable for a photoelectric conversion module port of claim 7, wherein the first guide blocks are two in position, shape and size and are matched with the first transverse guide groove, the two first guide blocks are symmetrically distributed on the left side and the right side of the middle plate, the first guide blocks are connected with the first transverse guide groove in a clamping manner, the second guide blocks are two in position, shape and size and are matched with the second transverse guide groove, the two second guide blocks are symmetrically distributed on the left side and the right side of the lower plate, and the second guide blocks are connected with the second transverse guide groove in a clamping manner.

9. The terminal block of claim 7, wherein the inverted U-shaped mounting portion comprises a first vertical portion, a second connecting portion and a second vertical portion connected in sequence, the first vertical portion is connected to the connecting portion, the first vertical portion is parallel to the second vertical portion, and the second vertical portion passes through the middle plate and is connected to the middle plate by injection molding.

10. The terminal block of claim 9, wherein the second connecting portion is parallel to the middle plate and closely attached to the surface of the middle plate, the first vertical portion is parallel to the lower plate and closely attached to the surface of the lower plate, and one end of the first vertical portion is connected to the connecting portion.