CN114725701A - Connecting terminal - Google Patents
Connecting terminal Download PDFInfo
- Publication number
- CN114725701A CN114725701A CN202110011172.9A CN202110011172A CN114725701A CN 114725701 A CN114725701 A CN 114725701A CN 202110011172 A CN202110011172 A CN 202110011172A CN 114725701 A CN114725701 A CN 114725701A
- Authority
- CN
- China
- Prior art keywords
- pressing block
- pressing
- elastic sheet
- elastic piece
- elastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012634 fragment Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention relates to the field of low-voltage electrical appliances, in particular to a wiring terminal, which comprises a wiring frame, a pressing block, a spring plate and a screw, wherein the pressing block is arranged in the wiring frame and is rotationally connected with the wiring frame; the screw drives the pressing block and the elastic sheet to rotate, so that the pressing block and the elastic sheet are respectively matched with the wire pressing wall to press the external lead; the wiring terminal has high wiring reliability.
Description
Technical Field
The invention relates to the field of low-voltage electric appliances, in particular to a wiring terminal.
Background
The wiring terminal mainly comprises a threaded wiring terminal and a non-threaded wiring terminal, wherein the threaded terminal is mostly in hard connection, and the non-threaded terminal is in elastic connection; however, when the two types of terminals are used for wiring large-diameter wires, the situation that the wires are not firmly pressed or the crimping force of the wires is reduced due to large current carrying capacity, so that the temperature is increased and even the wires are burnt is caused often occurs.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a wiring terminal which is high in wiring reliability.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wiring terminal comprises a wiring frame 1, a pressing block 2 which is arranged in the wiring frame 1 and is in rotary connection with the wiring frame 1, an elastic sheet 3 which is arranged in the wiring frame 1 in a rotary mode and a screw 4 which is arranged on the wiring frame 1 and is in driving fit with the pressing block 2, wherein the wiring frame 1 comprises a wire pressing wall 12 which is arranged opposite to the pressing block 2, and a wire inserting gap 15 for an external lead 5 to be inserted is formed between the wire pressing wall 12 and the pressing block 2 as well as between the elastic sheet 3; the screw 4 drives the pressing block 2 and the elastic sheet 3 to rotate, so that the pressing block 2 and the elastic sheet 3 are respectively matched with the wire pressing wall 12 to press the external lead 5.
Preferably, the elastic sheet 3 is arranged on the pressing block 2 and is linked with the pressing block.
Preferably, one end of the elastic sheet 3 is connected with the pressing block 2, and the other end of the elastic sheet is matched with the line pressing wall 12 to press the external lead 5.
Preferably, the wire frame 1 comprises a pair of limiting side walls 13 arranged at intervals oppositely, and the width of the pressing block 2 is matched with the distance between the two limiting side walls 13 in a matching manner; one end of the elastic sheet 3 is embedded on the pressing block 2.
Preferably, the pressing block 2 comprises two elastic sheet assembling grooves 25 respectively arranged at two sides of the pressing block, two sides of the pressing block 2 provided with the elastic sheet assembling grooves 25 are opposite to the limiting side wall 13, and an elastic sheet assembling column 23 is arranged in the middle of each elastic sheet assembling groove 25; the two elastic pieces 3 are respectively arranged on two sides of the pressing block 2, one end of each elastic piece 3 is arranged in the elastic piece assembling groove 25 and sleeved on the elastic piece assembling column 23, and the other end of each elastic piece 3 protrudes out of the pressing block 2 and extends towards the direction of the pressing line wall 12.
Preferably, the two elastic pieces 3 are mirror-image structures, each elastic piece 3 comprises an elastic piece assembling portion 32 and an elastic piece line pressing end 31, the elastic piece assembling portion 32 is of a U-shaped structure, is embedded in the elastic piece assembling groove 25 and is sleeved on the elastic piece assembling column 23, and the elastic piece line pressing end 31 is connected with one arm of the U-shaped structure of the elastic piece assembling portion 32.
Preferably, the two elastic sheet pressure line ends 31 both protrude towards the middle of the pressing block 2, and the distance between the two elastic sheet pressure line ends 31 is smaller than the distance between the two elastic sheet assembling grooves 25.
Preferably, the elastic sheet assembly groove 25 is a U-shaped groove, and two arms of the U-shaped structure of the elastic sheet assembly portion 32 are respectively in limit fit with two side walls of the elastic sheet assembly groove 23.
Preferably, the cross section of the spring assembly column 23 is of a drop-shaped structure.
Preferably, the pressing block 2 comprises an elastic sheet assembly groove 25 arranged at one end of the pressing block, an elastic sheet assembly column 23 is arranged in the middle of the elastic sheet assembly groove 25, one end of the elastic sheet 3 is embedded in the elastic sheet assembly groove 25 and sleeved on the elastic sheet assembly column 23, and the other end of the elastic sheet protrudes out of the pressing block 2 and extends towards the direction of the line pressing wall 12.
Preferably, the pressing block 2 comprises a pressing line side surface 24 and a pressing block driven side surface 22 in driving fit with the screw 4, the pressing line side surface 24 is provided with a plurality of tooth-shaped pressing line ribs, and the extending direction of the tooth-shaped pressing line ribs is crossed with the direction of the external lead 5 inserted into the wiring frame 1; the press block actuated side 22 is an arcuate side.
According to the wiring terminal, the pressing block 2 and the elastic sheet 3 are respectively matched with the wire pressing wall 12 to press the external lead 5, so that the wiring reliability is greatly improved, and the conductivity of the wiring terminal is improved.
Drawings
Fig. 1 is a schematic view of the structure of the connection terminal of the present invention;
fig. 2 is a schematic cross-sectional view of a terminal of the present invention;
FIG. 3 is a schematic view of the structure of the wire frame of the present invention;
FIG. 4 is a schematic view of the assembly structure of the pressing block and the elastic sheet of the present invention;
fig. 5 is a schematic diagram of the explosion structure of the pressing block and the spring plate.
Detailed Description
The following description of the embodiments of the terminal according to the invention will be given with reference to the accompanying fig. 1 to 5. The connection terminal of the present invention is not limited to the description of the following embodiments.
As shown in fig. 1 and 2, the connection terminal of the present invention includes a connection frame 1, a pressing block 2 disposed in the connection frame 1 and rotatably connected thereto, a spring piece 3 rotatably disposed in the connection frame 1, and a screw 4 disposed on the connection frame 1 and drivingly engaged with the pressing block 2, wherein the connection frame 1 includes a wire pressing wall 12 disposed opposite to the pressing block 2, and a wire insertion gap 15 for inserting an external lead 5 is disposed between the wire pressing wall 12 and the pressing block 2 as well as between the spring piece 3; the screw 4 drives the pressing block 2 and the elastic sheet 3 to rotate, so that the pressing block 2 and the elastic sheet 3 are respectively matched with the wire pressing wall 2 to press the external lead 5.
According to the wiring terminal, the pressing block 2 and the elastic sheet 3 are respectively matched with the wire pressing wall 12 to press the external lead 5, so that the wiring reliability is greatly improved, and the conductivity of the wiring terminal is improved.
Preferably, as shown in fig. 1 and 2, the elastic sheet 3 is arranged on the pressing block 2 and linked with the pressing block, which is beneficial to simplifying the assembling operation of the connecting terminal of the invention.
It should be noted that the elastic sheet 3 is not limited to be disposed on the pressing block 2, and may also be rotatably disposed on the wire frame 1, and directly or indirectly drive-cooperate with the screw 4, so as to cooperate with the wire pressing wall 12 to press the external lead 5 when the screw 4 rotates.
The connecting terminal of the present invention will be further described with reference to the drawings and the specific embodiments.
As shown in fig. 1-5, a first embodiment of the terminal of the present invention is shown.
As shown in fig. 1 and 2, the connection terminal of the invention comprises a connection frame 1, a pressing block 2 which is arranged in the connection frame 1 and is connected with the connection frame in a rotating way, a spring plate 3 which is arranged in the connection frame 1 in a rotating way, and a screw 4 which is arranged on the connection frame 1 and is matched with the pressing block 2 in a driving way, wherein the connection frame 1 comprises a wire pressing wall 12 which is arranged opposite to the pressing block 2, and a wire inserting gap 15 for inserting an external lead 5 is arranged between the wire pressing wall 12 and the pressing block 2 as well as between the spring plate 3; the screw 4 rotates and drives the pressing block 2 and the elastic sheet 3 to rotate, so that the pressing block 2 and the elastic sheet 3 are respectively matched with the wire pressing wall 12 to press the external lead 5.
Preferably, as shown in fig. 1, 2 and 4, the elastic sheet 3 is arranged on the pressing block 2 and is linked with the pressing block. Further, as shown in fig. 1, 2 and 4, one end of the elastic sheet 3 is connected with the pressing block 2, and the other end of the elastic sheet is matched with the pressing line wall 12 to press the external lead 5.
Specifically, as shown in fig. 1 and 2, the screw 4 rotates and moves rightward relative to the wire frame 1, the screw 4 drives the pressing block 2 to rotate clockwise, and the pressing block 2 drives the elastic sheet 3 to rotate clockwise, so that the free ends of the pressing block 2 and the elastic sheet 3 are respectively matched with the wire pressing wall 12 to press the external lead 5.
Preferably, as shown in fig. 1 and 3-5, the wire frame 1 includes a pair of limiting side walls 13 arranged at intervals, and the width of the pressing block 2 matches with the interval between the two limiting side walls 13; one end of the elastic sheet 3 is arranged on the pressing block 2.
Preferably, as shown in fig. 4 and 5, the pressing block 2 includes two spring plate assembly grooves 25 respectively disposed at two sides of one end thereof, and a spring plate assembly column 23 is disposed in the middle of each spring plate assembly groove 25; two shell fragment 3 sets up respectively in briquetting 2 both sides, and every shell fragment 3 one end sets up in shell fragment assembly groove 25 and overlaps and establish on shell fragment erection column 23, and the other end is outstanding in the briquetting 2 outside, extends to line ball wall 12 place direction, and behind wiring frame 1 was installed to briquetting 2 and shell fragment 3, shell fragment erection column 23 and spacing lateral wall 13 spacing shell fragment 3 jointly, the assembly is simple reliable. Further, as shown in fig. 4 and 5, the two elastic pieces 3 are mirror-image structures, each elastic piece 3 includes an elastic piece assembling portion 32 and an elastic piece line pressing end 31, the elastic piece assembling portion 32 is of a U-shaped structure, and is embedded in the elastic piece assembling groove 25 and sleeved on the elastic piece assembling post 23, and the elastic piece line pressing end 31 is connected with one arm of the U-shaped structure of the elastic piece assembling portion 32.
Preferably, as shown in fig. 4 and 5, two of the spring plate line pressing ends 31 protrude towards the middle of the pressing block 2, and the distance between the two spring plate line pressing ends 31 is smaller than the distance between the two spring plate assembling grooves 25. Further, as shown in fig. 4, the two spring plate line pressing ends 31 abut against each other on one side of the middle of the pressing block 2.
Preferably, as shown in fig. 2 and 4, the elastic sheet assembly groove 25 is a U-shaped groove, and two arms of the U-shaped structure of the elastic sheet assembly portion 32 are respectively in limit fit with two side walls of the elastic sheet assembly groove 23, so that the reliability of connection between the elastic sheet 3 and the press block 2 is ensured. Further, as shown in fig. 2, 4 and 5, the cross section of the elastic sheet assembling column 23 is in a water drop shape, so that the assembling reliability of the elastic sheet 3 and the pressing block 2 is further improved, the elastic sheet assembling column is matched with the elastic sheet assembling groove 25, the swinging amplitude of the elastic sheet 3 relative to the pressing block 2 is limited, and the reliable contact between the elastic sheet 3 and the external lead 5 is ensured.
Preferably, as shown in fig. 2 and 4, the pressing block 2 includes a pressing line side surface 24 and a pressing block driven side surface 22 in driving fit with the screw 4, the pressing line side surface 24 is provided with a plurality of tooth-shaped pressing lines, and the extending direction of the tooth-shaped pressing lines is crossed with the direction of the external lead 5 inserted into the wire frame 1; the press block actuated side 22 is an arcuate side.
As shown in fig. 2, 4 and 5, an embodiment of the briquette 2 is as follows: the pressing block 2 is integrally of a triangular prism structure, two ends of the pressing block are respectively provided with an elastic sheet assembly groove 25, the middle of each elastic sheet assembly groove 25 is provided with an elastic sheet assembly column 23, two ends of a side edge of the triangular prism structure of the pressing block 2 are respectively provided with a pressing block rotating shaft 21, and two side surfaces connected with the side edge are a pressing block driven side surface 22 and a pressing line side surface 24 respectively. Further, as shown in fig. 2, 4 and 5, the press block driven side surface 22 is an arc-shaped side surface, and the press line side surface 24 is provided with a plurality of tooth-shaped press line ribs.
As shown in fig. 1 and 3, an embodiment of the wire frame 1 is: the wiring frame 1 comprises a wire pressing wall 12, a pair of limiting side walls 13 and a screw mounting wall 11 which are arranged at opposite intervals, the screw mounting wall 11 is provided with a screw hole 110 connected with a screw 4 in a threaded manner, two ends of the wire pressing wall 12 are respectively bent and connected with one end of each of the two limiting side walls 13, the wire pressing wall 2 and the two limiting side walls 13 are integrally of a U-shaped structure, the screw mounting wall 11 is respectively bent and connected with the other ends of the two limiting side walls 13, the wire pressing wall 2 is perpendicular to the screw mounting wall 11, the middle parts of the two limiting side walls 13 are respectively provided with a pressing block shaft groove 14, and the two pressing block shaft grooves are respectively in running fit with the two pressing block rotating shafts 21.
As shown in fig. 5, it is an embodiment of the elastic sheet 3: the elastic sheet 3 comprises an elastic sheet assembling part 32 and an elastic sheet line pressing end 31 which are of a U-shaped structure, the elastic sheet assembling part 32 comprises a pair of side arms which are arranged at intervals relatively and respectively comprise a first side arm and a second side arm, the elastic sheet line pressing end 31 is bent and connected with the first side arm, the second side arm is located on one side of the first side arm, and the elastic sheet line pressing end 31 is bent towards the other side of the first side arm. Further, as shown in fig. 5, the elastic piece wire pressing end 31 protrudes toward the elastic piece 3, so that the width of the elastic piece wire pressing end 31 is greater than that of the elastic piece assembling portion 32.
The following is a second embodiment of the terminal of the invention: the difference between the terminal of the second embodiment and the terminal of the first embodiment is that the press block 2 includes a spring assembly groove 25 disposed at one end thereof, a spring assembly post 23 is disposed in the middle of the spring assembly groove 25, one end of the spring 3 is embedded in the spring assembly groove 25 and sleeved on the spring assembly post 23, and the other end protrudes out of the press block 2 and extends toward the direction of the wire pressing wall 12.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. A wiring terminal is characterized by comprising a wiring frame (1), a pressing block (2) which is arranged in the wiring frame (1) and is connected with the wiring frame in a rotating mode, an elastic sheet (3) which is arranged in the wiring frame (1) in a rotating mode and a screw (4) which is arranged on the wiring frame (1) and is matched with the pressing block (2) in a driving mode, wherein the wiring frame (1) comprises a wire pressing wall (12) which is arranged opposite to the pressing block (2), and a wire inserting gap (15) for an external lead (5) to be inserted is formed among the wire pressing wall (12), the pressing block (2) and the elastic sheet (3); the screw (4) drives the pressing block (2) and the elastic sheet (3) to rotate, so that the pressing block (2) and the elastic sheet (3) are respectively matched with the line pressing wall (12) to press the external lead (5).
2. The connection terminal according to claim 1, wherein: the elastic sheet (3) is arranged on the pressing block (2) and is linked with the pressing block.
3. The connection terminal according to claim 2, wherein: one end of the elastic sheet (3) is connected with the pressing block (2), and the other end of the elastic sheet is matched with the wire pressing wall (12) to press the external lead (5).
4. The connection terminal according to claim 2, wherein: the wiring frame (1) comprises a pair of limiting side walls (13) which are oppositely arranged at intervals, and the width of the pressing block (2) is matched with the distance between the two limiting side walls (13); one end of the elastic sheet (3) is embedded on the pressing block (2).
5. The connection terminal according to claim 4, wherein: the pressing block (2) comprises two elastic sheet assembling grooves (25) which are respectively arranged on two sides of the pressing block, two sides of the pressing block (2) provided with the elastic sheet assembling grooves (25) are opposite to the limiting side wall (13), and an elastic sheet assembling column (23) is arranged in the middle of each elastic sheet assembling groove (25); the two elastic pieces (3) are respectively arranged on two sides of the pressing block (2), one end of each elastic piece (3) is arranged in the elastic piece assembling groove (25) and sleeved on the elastic piece assembling column (23), and the other end of each elastic piece protrudes out of the pressing block (2) and extends towards the direction of the line pressing wall (12).
6. The connection terminal according to claim 5, wherein: two shell fragment (3) are each other mirror image structure, and every shell fragment (3) all includes shell fragment assembly portion (32) and shell fragment pressure line end (31), and shell fragment assembly portion (32) are U type structure, inlay to establish in shell fragment assembly groove (25) and overlap and establish on shell fragment assembly post (23), and shell fragment pressure line end (31) links to each other with an arm of the U type structure of shell fragment assembly portion (32).
7. The connection terminal according to claim 6, wherein: the two elastic piece line pressing ends (31) protrude towards the middle of the pressing block (2), and the distance between the two elastic piece line pressing ends (31) is smaller than the distance between the two elastic piece assembling grooves (25).
8. The connection terminal according to claim 6, wherein: the elastic sheet assembly groove (25) is a U-shaped groove, and two arms of the U-shaped structure of the elastic sheet assembly part (32) are respectively in limit fit with two side walls of the elastic sheet assembly groove (23).
9. A terminal according to claim 6 or 7, wherein: the cross section of the elastic sheet assembly column (23) is of a water drop-shaped structure.
10. The connection terminal according to claim 4, wherein: the pressing block (2) comprises an elastic piece assembling groove (25) arranged at one end of the pressing block, an elastic piece assembling column (23) is arranged in the middle of the elastic piece assembling groove (25), one end of the elastic piece (3) is embedded in the elastic piece assembling groove (25) and sleeved on the elastic piece assembling column (23), and the other end of the elastic piece (3) protrudes out of the pressing block (2) and extends towards the direction of the wire pressing wall (12);
the pressing block (2) comprises a pressing line side surface (24) and a pressing block driven side surface (22) in driving fit with the screw (4), the pressing line side surface (24) is provided with a plurality of tooth-shaped pressing line ribs, and the extending direction of the tooth-shaped pressing line ribs is crossed with the direction of an external lead (5) inserted into the wiring frame (1); the press block driven side surface (22) is an arc-shaped side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110011172.9A CN114725701A (en) | 2021-01-06 | 2021-01-06 | Connecting terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110011172.9A CN114725701A (en) | 2021-01-06 | 2021-01-06 | Connecting terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114725701A true CN114725701A (en) | 2022-07-08 |
Family
ID=82233455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110011172.9A Pending CN114725701A (en) | 2021-01-06 | 2021-01-06 | Connecting terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114725701A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2606972Y (en) * | 2003-04-01 | 2004-03-17 | 町洋企业股份有限公司 | Locking device for terminal |
| WO2009007475A1 (en) * | 2007-07-10 | 2009-01-15 | Antonio Moral Jimenez | Connection and coupling terminal device for electric cables |
| CN107171114A (en) * | 2017-06-27 | 2017-09-15 | 四川华丰企业集团有限公司 | Pedestal after rectangular connector |
| DE102019102646A1 (en) * | 2019-02-04 | 2020-08-06 | Phoenix Contact Gmbh & Co. Kg | Terminal block and terminal block |
| CN215266710U (en) * | 2021-01-06 | 2021-12-21 | 浙江正泰电器股份有限公司 | Connecting terminal |
-
2021
- 2021-01-06 CN CN202110011172.9A patent/CN114725701A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2606972Y (en) * | 2003-04-01 | 2004-03-17 | 町洋企业股份有限公司 | Locking device for terminal |
| WO2009007475A1 (en) * | 2007-07-10 | 2009-01-15 | Antonio Moral Jimenez | Connection and coupling terminal device for electric cables |
| CN107171114A (en) * | 2017-06-27 | 2017-09-15 | 四川华丰企业集团有限公司 | Pedestal after rectangular connector |
| DE102019102646A1 (en) * | 2019-02-04 | 2020-08-06 | Phoenix Contact Gmbh & Co. Kg | Terminal block and terminal block |
| CN215266710U (en) * | 2021-01-06 | 2021-12-21 | 浙江正泰电器股份有限公司 | Connecting terminal |
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| PB01 | Publication | ||
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