CN209948104U - Crimping crystal head - Google Patents
Crimping crystal head Download PDFInfo
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- CN209948104U CN209948104U CN201920737800.XU CN201920737800U CN209948104U CN 209948104 U CN209948104 U CN 209948104U CN 201920737800 U CN201920737800 U CN 201920737800U CN 209948104 U CN209948104 U CN 209948104U
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Abstract
The utility model relates to a crystal head, in particular to a crimping crystal head, which comprises a base, wherein a plurality of card grooves are arranged on the base; and gold tablets, the gold tablets are positioned in the card slot; the circuit board is arranged in the cavity inside the base, one end of the circuit board is connected with the gold sheet, and the other end of the circuit board is provided with a plurality of terminal holes; the crimping terminal is provided with a threading hole and a crimping groove, the threading hole is communicated with the crimping groove, the threading hole is used for inserting the twisted pair, the crimping groove is used for fixing the twisted pair and is communicated with the twisted pair, one end of the crimping terminal is provided with a fixing column, the fixing column is used for being inserted into the terminal hole, and the fixing column is in interference fit with the terminal hole; and the fixing seat is arranged at the other end of the circuit board, a plurality of terminal grooves and wire inserting holes are formed in the fixing seat, the wire inserting holes are communicated with the terminal grooves, the crimping terminals are movably inserted into the terminal grooves, and the wire inserting holes are used for inserting twisted pairs. The crimping crystal head is simple in structure, convenient and fast to install, reliable in connection and capable of improving the shielding function.
Description
Technical Field
The utility model relates to a quartzy head, especially a crimping quartzy head.
Background
The existing crystal head compresses the twisted-pair line through the gold sheet and is conducted with the twisted-pair line, because of the size limitation of the crystal head, the hole for inserting the twisted-pair line is small, the twisted-pair line needs to be arranged in a row in sequence, meanwhile, the end parallel and level of the twisted-pair line after being discharged in a row are ensured, the arrangement position is easy to change when the twisted-pair line is inserted, the twisted-pair line needs to be inserted after being rearranged, then the crystal head is inserted into a crimping pliers to compress the gold sheet on the twisted-pair line in an insertion state, and the installation of the crystal head is relatively labor-consuming and time-consuming.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a crimping crystal head of twisted pair simple to operate, swift, concrete technical scheme is:
a crimping crystal head comprises a base, wherein a plurality of card slots are formed in the base; the gold sheet is positioned in the card slot; the circuit board is arranged in a cavity in the base, one end of the circuit board is connected with the gold sheet, and the other end of the circuit board is provided with a plurality of terminal holes; the terminal comprises a crimping terminal, a wire threading hole and a crimping groove are arranged on the crimping terminal, the wire threading hole is communicated with the crimping groove, the wire threading hole is used for inserting a twisted pair, the crimping groove is used for fixing the twisted pair and is communicated with the twisted pair, a fixing column is arranged at one end of the crimping terminal and is used for being inserted into a terminal hole, and the fixing column is in interference fit with the terminal hole; the fixing seat is installed at the other end of the circuit board, a plurality of terminal grooves and wire inserting holes are formed in the fixing seat, the wire inserting holes are communicated with the terminal grooves, the crimping terminals are movably inserted into the terminal grooves, and the wire inserting holes are used for inserting twisted pairs.
By adopting the technical scheme, the insertion position of the twisted pair is changed, the twisted pair is inserted into the fixed seat, the wire inserting hole in the fixed seat is large, the twisted pair is convenient to insert, meanwhile, the large threading hole is convenient to insert the twisted pair, the crimping terminal is pressed down after the twisted pair is inserted, the fixing column of the crimping terminal is inserted into the terminal hole and fixed in the terminal hole, the twisted pair is clamped into the crimping groove, the sheath of the crimping groove which damages the twisted pair is conducted with the twisted pair, and the twisted pair is fixed in the crimping groove because the crimping groove is smaller than the diameter of the copper core of the twisted pair.
Because the twisted pair is not directly connected with the gold sheet, the twisted pair insertion requirement is lower, the twisted pair can be correctly inserted into the corresponding threading hole and the corresponding wire inserting hole without being inserted after the twisted pair is arranged, and no special requirement is required on whether the end part of the twisted pair is parallel and level, so that the convenience of installing the crystal head is greatly improved, and the time and the labor are saved.
Preferably, two sides of the crimping groove of the crimping terminal are provided with avoiding inclined planes.
By adopting the technical scheme, the avoiding inclined planes at the two sides of the crimping groove can reduce the contact area between the pressing groove and the twisted pair, so that the crimping groove is conveniently clamped on the twisted pair, and the sheath of the twisted pair is easily damaged to realize the conduction with the copper core of the twisted pair.
Preferably, the fixing column is provided with an elastic hole A.
Through adopting above-mentioned technical scheme, elasticity that elasticity hole A can increase the fixed column makes the fixed column insert the terminal hole easily to make the fixed column keep certain elasticity to compress tightly in the terminal hole, improve the reliability of fixed column and terminal jogged joint.
Preferably, the fixed column is elliptical, and the elastic hole a is an elliptical hole.
Through adopting above-mentioned technical scheme, oval-shaped fixed column can keep better elasticity, warp easily.
Preferably, the terminal holes are provided with two rows, the crimping terminals are respectively inserted into the two rows of terminal holes, and the two rows of crimping terminals are respectively positioned on the front surface and the back surface of the circuit board; and the terminal groove and the wire inserting hole on the fixed seat are respectively positioned on the top surface and the bottom surface of the fixed seat.
Through adopting above-mentioned technical scheme, set up crimping terminal from top to bottom, can reduce the width of fixing base, make compact structure to make things convenient for the insertion of twisted-pair line.
Preferably, the sequence of the interfaces of one row of the wire insertion holes is 1, 2, 4 and 5, and the sequence of the interfaces of the other row of the wire insertion holes is 3, 6, 7 and 8; no. 1 line and No. 3 line are in the same column, No. 2 line and No. 6 line are in the same column, No. 4 line and No. 7 line are in the same column, and No. 5 line and No. 8 line are in the same column.
Through adopting above-mentioned technical scheme, 4 lines and 5 lines and 3 lines and 6 lines setting of staggering can pull open the distance and effectively reduce the interference.
Preferably, the end of the wire insertion hole is provided with a lead-in inclined surface.
By adopting the technical scheme, the lead-in inclined plane facilitates the insertion of the lead.
Preferably, the fixing seat is provided with a connecting groove, the connecting groove is used for inserting a circuit board, and the connecting groove is communicated with the terminal groove.
Through adopting above-mentioned technical scheme, the spread groove is used for fixed line board.
Preferably, one end of the circuit board is provided with a plurality of connecting holes;
one end of the gold sheet is provided with a connecting column which is inserted into the connecting hole, and the connecting column is in interference fit with the connecting hole.
By adopting the technical scheme, the connecting column facilitates the connection of the gold sheet and the circuit board, so that the structure is simple.
Preferably, the connecting column is provided with an elastic hole B.
Through adopting above-mentioned technical scheme, elasticity hole B can increase the elasticity of spliced pole, makes the spliced pole insert in the connecting hole easily to make the spliced pole keep certain elasticity to compress tightly in the connecting hole, improve the reliability that spliced pole and connecting hole are connected.
Preferably, the metal shielding device further comprises a metal shielding shell, and the metal shielding shell is sleeved on the fixing seat and the base; the lateral surface of base is equipped with the shielding groove, the shielding groove is used for placing the metal shielding shell.
By adopting the technical scheme, the metal shielding shell is used for playing a shielding role and improving the application range of the crystal head. The shielding groove accommodates the metal shielding shell, avoiding enlarging the size of the base.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a pair of crimping crystal head structure is simple, simple to operate, swift, connect reliably, the interference killing feature good and can improve shielding function.
Drawings
Fig. 1 is an exploded view of a crimp crystal head;
fig. 2 is a front view of a crimp crystal head;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken generally along line B-B of FIG. 2;
FIG. 5 is a schematic view showing an assembly structure of the wiring board with the crimp terminal and the gold piece;
FIG. 6 is a schematic cross-sectional view of the susceptor;
FIG. 7 is a schematic view of a gold plate;
fig. 8 is a schematic structural view of the crimp terminal;
FIG. 9 is a schematic axial view of the fixing base;
FIG. 10 is a rear elevational view of the anchor block;
FIG. 11 is a sectional view taken along line C-C of FIG. 10;
fig. 12 is a wiring sequence diagram of a crimp tap.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 11, a crimping crystal head includes a base 1, a plurality of card slots 11 are provided on the base 1; and gold flakes 2, the gold flakes 2 are located in the card slot 11; the metal sheet metal connector further comprises a circuit board 3, wherein the circuit board 3 is arranged in the cavity inside the base 1, one end of the circuit board 3 is connected with the metal sheet 2, and the other end of the circuit board 3 is provided with a plurality of terminal holes 31; the terminal crimping device comprises a crimping terminal 4, wherein a threading hole 42 and a crimping groove 41 are formed in the crimping terminal 4, the threading hole 42 is communicated with the crimping groove 41, the threading hole 42 is used for inserting a twisted pair, the crimping groove 41 is used for fixing the twisted pair and is communicated with the twisted pair, a fixing column 44 is arranged at one end of the crimping terminal 4, the fixing column 44 is used for being inserted into a terminal hole 31, and the fixing column 44 is in interference fit with the terminal hole 31; the fixing seat 5 is installed at the other end of the circuit board 3, the fixing seat 5 is provided with a plurality of terminal grooves 52 and wire inserting holes 51, the wire inserting holes 51 are communicated with the terminal grooves 52, the crimping terminals 4 are movably inserted into the terminal grooves 52, and the wire inserting holes 51 are used for inserting twisted pairs.
The insertion position of the twisted pair is changed, the twisted pair is inserted into the fixing seat 5, the wire inserting hole 51 in the fixing seat 5 is large, the twisted pair is convenient to insert, meanwhile, the large threading hole 42 is adopted to facilitate the insertion of the twisted pair, the crimping terminal 4 is pressed downwards after the twisted pair is inserted, the fixing column 44 of the crimping terminal 4 is inserted into the terminal hole 31 and fixed in the terminal hole 31, the twisted pair is clamped into the crimping groove 41, the crimping groove 41 breaks the conduction between the sheath of the twisted pair and the twisted pair, and the twisted pair is fixed in the crimping groove 41 because the crimping groove 41 is smaller than the diameter of the copper core of the twisted pair. The diameter of the threading holes 42 is greater than the diameter of the twisted pairs.
Because the twisted pair is not directly connected with the gold sheet 2, the twisted pair insertion requirement is lower, the twisted pair can be correctly inserted into the corresponding threading hole 42 and the corresponding wire inserting hole 51 without arranging the twisted pair for insertion, and no special requirement is required for the end of the twisted pair to be parallel and level, so that the convenience of installing the crystal head is greatly improved, and the time and the labor are saved.
Specifically, the card slot 11 is generally provided with eight or two, eight for the network cable and two for the telephone cable. The number of gold tabs 2 corresponds to the number of card slots 11.
As shown in fig. 6, the base 1 is provided with a positioning groove 12, and the positioning groove 12 is used for inserting the circuit board 3 and fixing the position of the circuit board 3, so that the circuit board 3 is convenient to install. The positioning slot 12 communicates with the card slot 11.
The base 1 is also provided with an anti-tripping device.
As shown in fig. 8, the crimp terminal 4 is made of a copper sheet. The fixed column 44 is oval, an elastic hole A45 is arranged on the fixed column 44, and the elastic hole A45 is an oval hole.
The hollow elliptic fixing post 44 can maintain good elasticity and is easy to deform. The elastic hole a45 can increase the elasticity of the fixing post 44, make the fixing post 44 easily inserted into the terminal hole 31, and keep the fixing post 44 pressed in the terminal hole 31 with a certain elastic force, thereby improving the reliability of the connection between the fixing post 44 and the terminal hole 31.
The terminal hole 31 is a circular hole, copper plating is arranged in the terminal hole 31, and the fixing column 44 is electrically conducted with the copper plating.
As shown in fig. 1, 3, 4 and 5, the terminal holes 31 are provided in two rows in parallel, the crimp terminals 4 are respectively inserted into the two rows of terminal holes 31, and the two rows of crimp terminals 4 are respectively located on the front surface and the back surface of the circuit board 3; the terminal groove 52 and the wire insertion hole 51 on the fixing base 5 are respectively positioned on the top surface and the bottom surface of the fixing base 5.
Set up crimping terminal 4 from top to bottom, can reduce the width of fixing base 5, make compact structure to make things convenient for the insertion of twisted pair.
Further, the end of the wire insertion hole 51 is provided with a lead-in slope 54. Lead-in ramps 54 facilitate wire insertion.
As shown in fig. 9 to 11, the fixing base 5 is provided with a connecting groove 55, the connecting groove 55 is used for inserting the circuit board 3, and the connecting groove 55 is communicated with the terminal groove 52. The connecting groove 55 positions the fixing base 5, so that the fixing base 5 is relatively fixed with the base 1 and the circuit board 3.
One end of the circuit board 3 is provided with a plurality of connecting holes 32; the number of the connecting holes 32 is the same as that of the gold sheets 2, one end of each gold sheet 2 is provided with a connecting column 21, the connecting column 21 is inserted into the connecting holes 32, and the connecting columns 21 are in interference fit with the connecting holes 32. The connecting column 21 is convenient for the gold sheet 2 to be connected with the circuit board 3, so that the structure is simple.
The end of the connecting column 21 is provided with a round corner 23, and the round corner 23 plays a guiding role, so that the connecting column 21 can be conveniently inserted into the connecting hole 32.
The connecting hole 32 is provided with copper plating, and the connecting column 21 and the copper plating of the connecting hole 32 realize electric conduction. The circuit board 3 is provided with a plurality of wires which respectively make the connecting holes 32 and the fixing holes to be electrically conducted, so that the gold plate 2 and the crimping terminal 4 are electrically conducted.
The connecting column 21 is rectangular, the end part of the connecting column 21 is circular, the connecting hole 32 is a kidney-shaped hole, the kidney-shaped connecting hole 32 can be matched with the rectangular connecting column 21 to ensure the reliable connection of the connecting column 21 and the connecting hole 32, meanwhile, the position of the gold plate 2 can be limited, and the gold plate 2 is prevented from shaking.
The connecting column 21 is provided with an elastic hole B22. The elastic hole B22 can increase the elasticity of the connection post 21, so that the connection post 21 can be easily inserted into the connection hole 32, and the connection post 21 is pressed in the connection hole 32 with a certain elasticity, thereby improving the reliability of the connection between the connection post 21 and the connection hole 32.
When the crystal head is installed, the twisted pair is respectively inserted into the threading holes 42 of the crimping terminal 4 from the wire inserting holes 51 of the fixed seat 5, the crimping terminal 4 is pressed down after all the twisted pair are inserted, the fixed columns 44 are inserted into the terminal holes 31, meanwhile, the twisted pair is clamped into the crimping grooves 41, the crimping grooves 41 damage the sheaths of the twisted pair to realize conduction with the twisted pair, and the twisted pair is fixed, so that the installation of the crystal head is completed.
Example two
On the basis of the above embodiment, the metal shielding device further comprises a metal shielding shell 6, wherein the metal shielding shell 6 is sleeved on the fixed seat 5 and the base 1; the outer side of the base 1 is provided with a shielding groove 13, and the shielding groove 13 is used for placing the metal shielding shell 6.
The metal shielding shell 6 is used for shielding and improving the application range of the crystal head. The shield groove 13 accommodates the metal shield shell 6, avoiding enlargement of the size of the base 1.
Example three
On the basis of any of the above embodiments, as shown in fig. 12, the interface sequence of one row of the wire insertion holes 51 is 1, 2, 4, and 5, and the interface sequence of the other row of the wire insertion holes 51 is 3, 6, 7, and 8; no. 1 line and No. 3 line are in the same column, No. 2 line and No. 6 line are in the same column, No. 4 line and No. 7 line are in the same column, and No. 5 line and No. 8 line are in the same column. Line 4 and line 5 stagger the setting with line 3 and line 6, can pull open the distance and effectively reduce the interference, improve the interference killing feature.
The wiring standard of the crystal head is T568B/A.
Claims (10)
1. A crimping crystal head comprises
The card slot structure comprises a base, wherein a plurality of card slots are formed in the base; and
the gold sheet is positioned in the card slot;
it is characterized by also comprising
The circuit board is arranged in a cavity in the base, one end of the circuit board is connected with the gold sheet, and the other end of the circuit board is provided with a plurality of terminal holes;
the terminal comprises a crimping terminal, a wire threading hole and a crimping groove are arranged on the crimping terminal, the wire threading hole is communicated with the crimping groove, the wire threading hole is used for inserting a twisted pair, the crimping groove is used for fixing the twisted pair and is communicated with the twisted pair, a fixing column is arranged at one end of the crimping terminal and is used for being inserted into a terminal hole, and the fixing column is in interference fit with the terminal hole; and
the fixing seat is installed at the other end of the circuit board, a plurality of terminal grooves and plug wire holes are formed in the fixing seat, the plug wire holes are communicated with the terminal grooves, the crimping terminals are movably inserted into the terminal grooves, and the plug wire holes are used for inserting twisted pairs.
2. A crimp terminal crystal head as claimed in claim 1, wherein the crimp groove of the crimp terminal is provided with a clearance bevel at both sides.
3. A crimp connection crystal head according to claim 1, wherein the fixing column is provided with an elastic hole A; the fixing column is oval, and the elastic hole A is an oval hole.
4. A crimp die head according to claim 1, wherein the terminal holes are provided in two rows, the crimp terminals are respectively inserted into the two rows of terminal holes, and the two rows of crimp terminals are respectively located on the front surface and the back surface of the circuit board; and the terminal groove and the wire inserting hole on the fixed seat are respectively positioned on the top surface and the bottom surface of the fixed seat.
5. A crimped crystal head according to claim 1,
the sequence of the interfaces of one row of the wire inserting holes is 1, 2, 4 and 5, and the sequence of the interfaces of the other row of the wire inserting holes is 3, 6, 7 and 8; no. 1 line and No. 3 line are in the same column, No. 2 line and No. 6 line are in the same column, No. 4 line and No. 7 line are in the same column, and No. 5 line and No. 8 line are in the same column.
6. A crimped crystal head according to claim 1, wherein the ends of the wire insertion holes are provided with lead-in bevels.
7. A crimp contact die head as claimed in claim 1, wherein the fixing base is provided with a connecting slot for inserting a circuit board, the connecting slot being in communication with the terminal slot.
8. A crimp contact die head according to claim 1, wherein one end of the circuit board is provided with a plurality of connecting holes; one end of the gold sheet is provided with a connecting column which is inserted into the connecting hole, and the connecting column is in interference fit with the connecting hole.
9. A crimp crystal head according to claim 8, wherein the connecting posts are provided with resilient holes B.
10. A crimp connection crystal head according to claim 1, further comprising a metal shielding shell, wherein the metal shielding shell is sleeved on the fixing base and the base; the lateral surface of base is equipped with the shielding groove, the shielding groove is used for placing the metal shielding shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920737800.XU CN209948104U (en) | 2019-05-21 | 2019-05-21 | Crimping crystal head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920737800.XU CN209948104U (en) | 2019-05-21 | 2019-05-21 | Crimping crystal head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209948104U true CN209948104U (en) | 2020-01-14 |
Family
ID=69133615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920737800.XU Active CN209948104U (en) | 2019-05-21 | 2019-05-21 | Crimping crystal head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209948104U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809597A (en) * | 2021-08-11 | 2021-12-17 | 中航光电科技股份有限公司 | Buckling structure and connector using same |
| CN114361825A (en) * | 2022-01-13 | 2022-04-15 | 宁波公牛电器有限公司 | Routing terminal and routing-free module |
-
2019
- 2019-05-21 CN CN201920737800.XU patent/CN209948104U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809597A (en) * | 2021-08-11 | 2021-12-17 | 中航光电科技股份有限公司 | Buckling structure and connector using same |
| CN114361825A (en) * | 2022-01-13 | 2022-04-15 | 宁波公牛电器有限公司 | Routing terminal and routing-free module |
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