CN107302148A - A kind of instrument terminal - Google Patents
A kind of instrument terminal Download PDFInfo
- Publication number
- CN107302148A CN107302148A CN201710477337.5A CN201710477337A CN107302148A CN 107302148 A CN107302148 A CN 107302148A CN 201710477337 A CN201710477337 A CN 201710477337A CN 107302148 A CN107302148 A CN 107302148A
- Authority
- CN
- China
- Prior art keywords
- torsion spring
- fixture
- screw thread
- contact block
- external screw
- 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.)
- Granted
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention belongs to electric components field, and in particular to a kind of instrument terminal, include the fixture of cylinder, the revolving part below fixture and the torsion spring between fixture and revolving part；The fixture bottom forms mounting post；The first external screw thread of fixed spiral angle is formed on the outside of the mounting post close to fixed contact block bottom end；By being threaded with cylindrical nut piece at first external screw thread in the mounting post.Fixture is formed in one in the present invention, banana joint terminal is directly connected to fixture, and Y types terminal and cast terminal between revolving part and fixture in the presence of torsion spring by clamping, in the absence of the fit clearance of junction, all connections are effectively reliable, and signal transmission is stable；Number of parts of the present invention is few and easy to process, and assembling is simple, without interference connection etc..The present invention is installed and connection procedure is simple, and the connection of terminal can be completed by the cooperation between the different fingers of a hand.
Description
Technical field
The invention belongs to electric components field, and in particular to a kind of instrument terminal.
Background technology
The connection jaws of current conventional instrument are special mostly, and a kind of joint can only connect a kind of interface, in some specific fields
Inconvenience is produced to test in conjunction.And multiduty binding post is often made up of multiple parts, exist interface position and joint it
Between be not situation about directly contacting, easily make signal produce bounce.
The content of the invention
The technical problems to be solved by the invention are：In view of the deficienciess of the prior art, providing a kind of instrument terminal.
To realize the purpose of the present invention, it is achieved using following technical scheme：A kind of instrument terminal, including cylinder
Fixture, the revolving part below fixture and the torsion spring between fixture and revolving part；
The fixture top circumferentially angularly forms four fixed contact blocks, symmetrical two of the fixed contact block
For one group；That fixes that contact block wherein one side forms that the diameter of equidistant arrangement successively decreases described in one group multiple is used to connect cast
First cast socket of terminal；Fixed described in another group contact block upper surface form for connect Y type terminals the first Y types insert
Mouthful；The fixture upper end center forms the banana head socket for connecting banana joint terminal；The fixture bottom shaping
There is mounting post；The first external screw thread of fixed spiral angle is formed on the outside of the mounting post close to fixed contact block bottom end；Institute
The bottom surface for stating fixed contact block forms circular torsion spring mounting groove for installing the torsion spring, the torsion spring mounting groove
The maximum gauge being more than or equal at minimum diameter at first external screw thread；The torsion spring mounting groove inner top surface is formed for limiting
Make the first torsion spring mounting hole of the torsion spring position；The torsion spring mounting groove inner top surface is formed for the nut after fixed screw
The positioning hole of part position；
By being threaded with cylindrical nut piece at first external screw thread in the mounting post；The nut piece madial wall
Top is molded and first external screw thread is threadedly coupled the first internal thread；The nut piece madial wall bottom forms diameter
More than the cylindrical lost motion slot of the maximum gauge at the first external screw thread；The nut piece upper surface forms described for installing
Second torsion spring mounting hole of torsion spring position；The nut piece outer wall is formed outside second for being threadedly coupled with the revolving part
Screw thread；The nut piece upper surface forms positioning through hole at lateral wall；
The torsion spring upper and lower ends respectively form the first torsion spring mounting head and the second torsion spring mounting head；The first torsion spring mounting head
It is plugged in the first torsion spring mounting hole；The second torsion spring mounting head is plugged in the second torsion spring mounting hole；
The revolving part lower end forms rotating disk；The rotating disk intermediary form has what is be threadedly coupled with second external screw thread
Revolving part screwed hole；The revolving part screwed hole bottom is molded the nut spacing ring of the restricted nut piece axial location；Institute
State rotating disk upper end and circumferentially angularly form four rotating contact blocks, symmetrical two of the rotating contact block are one
Group；Rotating contact block upper end forms contact block described in one group；The first cast socket of rotating contact block correspondence described in another group
Multiple the second cast sockets for being used to connect cast terminal that the diameter that place forms equidistant arrangement successively decreases；
The torsion spring rotation direction and first external screw thread are oppositely oriented；
First external screw thread and second external thread rotary are to identical；
The mounting post bottom forms the external screw thread for installing binding post；
Preferably：The first externally threaded spiral angle is 30-60 °.
Preferably：Circumferentially institute is angled for each fixed contact block, rotating contact block and upper contact block
For 30 °.
Compared with prior art, the beneficial effects of the invention are as follows：
During present invention assembling, torsion spring is attached in torsion spring mounting groove by hand-held fixture, is turned round by the first torsion spring mounting hole and first
Annexation between spring mounting head makes torsion spring circumferentially fixed, and nut piece then is inserted in into mounting post inserts the second torsion spring mounting head
It is connected in the second torsion spring mounting hole, after being rotated to an angle with nut piece along the first external screw thread, due to the setting of lost motion slot,
Nut piece is departed from and rotation is can continue to after the first external screw thread, torsion spring is in Pre strained state therewith, it is fixed to be passed through with pin
Position through hole and positioning hole will be fixed between nut piece and fixture, by the upper contact block and rotating contact block of the revolving part from two
Passed through between the adjacent fixation contact block of block, pin is extracted back nut part and unclamped, and the active force with torsion spring resilience makes nut piece
The second external screw thread rotate with revolving part screwed hole, revolving part is risen to nut piece and nut spacing ring and offset place, process
In nut piece is threaded to first again due to the circumferential active force of the connection function and torsion spring of the second external screw thread and the second internal thread
On external screw thread, the rebound effect of last torsion spring is transferred on revolving part by nut piece, to revolving part the second cast socket with
When the first cast socket alignment of fixture, upper contact block lower surface and the first Y type sockets offset torsion spring can not continue rotation and
Stretching, is then now the original state after the completion of present invention assembling；During the original state, the active force of torsion spring makes revolving part
Mutually pressed from both sides between second cast socket and the first cast socket of fixture and between the 2nd Y types socket and the first Y type sockets
Tightly.First passed through during use at terminals needed for mounting post is attached to, when being connected with banana joint terminal, by banana joint terminal
It is inserted directly into the connection that the banana head socket completes banana joint terminal；When being connected with Y type terminals, revolving part is outwarded winding,
Now because the threaded connection between the first external screw thread and the first internal thread makes revolving part rotation and lifting, and torsion spring accumulation of energy,
Revolving part is unclamped when Y types terminal is inserted in the first Y type sockets afterwards, revolving part returns back to initial position and completes Y type terminals
Connection；When being connected with cast terminal, with Y type terminal connection procedures, outward winding the pipe of cast terminal insertion first after revolving part
Revolving part is unclamped after in the circle formed between type socket and the second cast socket, revolving part returns back to initial position and completes cast
The connection of terminal；When connecting many cast terminals, connection procedure, and can be according to the big of cast terminal with single cast terminal
The small corresponding cast socket connection of correspondence.
Fixture is formed in one in the present invention, and banana joint terminal is directly connected to fixture, Y types terminal and cast terminal
By being clamped between revolving part and fixture in the presence of torsion spring, in the absence of the fit clearance of junction, all connections are effective
Reliably, signal transmission is stable；Number of parts of the present invention is few and easy to process, and assembling is simple, without interference connection etc..The present invention
Install and connection procedure is simple, the connection of terminal can be completed by the cooperation between the different fingers of a hand.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the decomposition texture schematic diagram of the present invention.
Fig. 3 is the cross section structure diagram of fixture.
Fig. 4 is the structural representation of revolving part.
Fig. 5 is the structural representation of torsion spring.
Fig. 6 is the cross section structure diagram of nut piece.
Fig. 7 is cross section structure diagram when accessing Y type terminals.
Fig. 8 is cross section structure diagram when accessing banana joint terminal.
Fig. 9 is cross section structure diagram when accessing cast terminal.
Figure 10 is cross section structure diagram when accessing many cast terminals.
1st, fixture；11st, mounting post；111st, the first external screw thread；12nd, fixed contact block；121st, the first cast socket；122、
First Y type sockets；13rd, banana head socket；14th, torsion spring mounting groove；141st, the first torsion spring mounting hole；142nd, positioning hole；
2nd, revolving part；21st, rotating disk；211st, revolving part screwed hole；211a, nut spacing ring；22nd, rotating contact block；221st,
Two cast sockets；23rd, upper contact block；
3rd, nut piece；31st, the second torsion spring mounting hole；32nd, the second external screw thread；33rd, the first internal thread；34th, lost motion slot；35th, position
Through hole；
4th, torsion spring；41st, the first torsion spring mounting head；42nd, the second torsion spring mounting head.
Embodiment
With reference to shown in Fig. 1 to Figure 10, the present embodiment is a kind of instrument terminal, includes the fixture 1 of cylinder, is arranged on
Revolving part 2 below fixture and the torsion spring between fixture and revolving part 4.
The fixture top circumferentially angularly forms four fixed contact blocks 12, and the fixed contact block is symmetrical
Two be one group；That fixes that contact block wherein one side forms that the diameter of equidistant arrangement successively decreases described in one group multiple is used to connect
First cast socket 121 of adapter type terminal；Contact block upper surface is fixed described in another group to form for connecting Y type terminals
First Y types socket 122；The fixture upper end center forms the banana head socket 13 for connecting banana joint terminal；It is described
Fixture bottom forms mounting post 11；The outside of mounting post 11 forms fixed helical angle close to fixed contact block bottom end
First external screw thread 111 of degree；The bottom surface of the fixed contact block forms the circular torsion spring peace for installing the torsion spring
The maximum gauge being more than or equal at tankage 14, the minimum diameter of the torsion spring mounting groove at first external screw thread；The torsion spring
The inner top surface of mounting groove 14 forms the first torsion spring mounting hole 141 for limiting the torsion spring position；The torsion spring mounting groove 14
Inner top surface forms the positioning hole 142 for the nut piece position after fixed screw.
By being threaded with cylindrical nut piece 3 at first external screw thread in the mounting post；The nut piece
What inner sidewall upper portion shaping was threadedly coupled with first external screw thread 111 has the first internal thread 33；Under the nut piece madial wall
Portion forms cylindrical lost motion slot 34 of the diameter more than the maximum gauge at the first external screw thread；The nut piece upper surface shaping
There is the second torsion spring mounting hole 31 for installing the torsion spring position；The nut piece outer wall, which is formed, to be used for and the revolving part
Second external screw thread 32 of threaded connection；The nut piece upper surface forms positioning through hole 35 at lateral wall.
The torsion spring upper and lower ends respectively form the first torsion spring mounting head 41 and the second torsion spring mounting head 42；Described first turns round
Spring mounting head is plugged in the first torsion spring mounting hole；The second torsion spring mounting head is plugged on the second torsion spring mounting hole
In.
The revolving part lower end forms rotating disk 21；The rotating disk intermediary form has and the second external screw thread screw thread
The revolving part screwed hole 211 of connection；The revolving part screwed hole bottom is molded the nut of the restricted nut piece axial location
Spacing ring 211a；The rotating disk upper end circumferentially angularly forms four rotating contact blocks 22, the rotating contact block phase
Symmetrical two are one group；Rotating contact block upper end forms contact block 23 described in one group；Rotating contact block described in another group
Multiple the second casts for being used to connect cast terminal that the diameter that the first cast spigot of correspondence forms equidistant arrangement successively decreases are inserted
Mouth 221.
The torsion spring rotation direction and first external screw thread are oppositely oriented.
First external screw thread and second external thread rotary are to identical.
The bottom of mounting post 11 forms the external screw thread for installing binding post.
The spiral angle of first external screw thread 111 is 30-60 °.
Circumferentially institute is angled is 30 ° for each fixed contact block, rotating contact block and upper contact block.
During present invention assembling, torsion spring is attached in torsion spring mounting groove by hand-held fixture, by the first torsion spring mounting hole and the
Annexation between one torsion spring mounting head makes torsion spring circumferentially fixed, and nut piece then is inserted in into mounting post installs the second torsion spring
Head is plugged in the second torsion spring mounting hole, after being rotated to an angle with nut piece along the first external screw thread, due to lost motion slot
Set, nut piece is departed from and rotation is can continue to after the first external screw thread, torsion spring is in Pre strained state therewith, it is logical with pin
Crossing positioning through hole and positioning hole will be fixed between nut piece and fixture, by the upper contact block and rotating contact block of the revolving part
Passed through between two pieces of adjacent fixation contact blocks, pin is extracted back nut part and unclamped, and the active force with torsion spring resilience makes spiral shell
Second external screw thread of parent part is rotated with revolving part screwed hole, revolving part is risen to nut piece and nut spacing ring and is offseted place,
During nut piece is threaded to again due to the circumferential active force of the connection function and torsion spring of the second external screw thread and the second internal thread
On first external screw thread, the rebound effect of last torsion spring is transferred on revolving part by nut piece, and the second cast to revolving part is inserted
Torsion spring can not continue rotation when mouth aligns with the first cast socket of fixture, upper contact block lower surface offsets with the first Y type sockets
Turn and stretch, be then now the original state after the completion of present invention assembling；During the original state, the active force of torsion spring makes rotation
Phase between second cast socket of part and the first cast socket of fixture and between the 2nd Y types socket and the first Y type sockets
Mutually clamp.First passed through during use at terminals needed for mounting post is attached to, when being connected with banana joint terminal, by banana head
Terminal is inserted directly into the connection that the banana head socket completes banana joint terminal；When being connected with Y type terminals, revolving part is revolved
Open, now because the threaded connection between the first external screw thread and the first internal thread makes revolving part rotation and lifting, and torsion spring stores
Can, after unclamp revolving part when Y types terminal is inserted in the first Y type sockets, revolving part returns back to initial position and completes Y types end
The connection of son；When being connected with cast terminal, with Y type terminal connection procedures, outward winding cast terminal insertion first after revolving part
Revolving part is unclamped after in the circle formed between cast socket and the second cast socket, revolving part returns back to initial position and completes pipe
The connection of type terminal；When connecting many cast terminals, connection procedure, and can be according to cast terminal with single cast terminal
The corresponding cast socket connection of size correspondence.
Fixture is formed in one in the present invention, and banana joint terminal is directly connected to fixture, Y types terminal and cast terminal
By being clamped between revolving part and fixture in the presence of torsion spring, in the absence of the fit clearance of junction, all connections are effective
Reliably, signal transmission is stable；Number of parts of the present invention is few and easy to process, and assembling is simple, without interference connection etc..The present invention
Install and connection procedure is simple, the connection of terminal can be completed by the cooperation between the different fingers of a hand.
Claims (3)
1. a kind of instrument terminal, it is characterised in that：
Include the fixture of cylinder, revolving part below fixture and between fixture and revolving part
Torsion spring；
The fixture top circumferentially angularly forms four fixed contact blocks, symmetrical two of the fixed contact block
For one group；That fixes that contact block wherein one side forms that the diameter of equidistant arrangement successively decreases described in one group multiple is used to connect cast
First cast socket of terminal；Fixed described in another group contact block upper surface form for connect Y type terminals the first Y types insert
Mouthful；The fixture upper end center forms the banana head socket for connecting banana joint terminal；The fixture bottom shaping
There is mounting post；The first external screw thread of fixed spiral angle is formed on the outside of the mounting post close to fixed contact block bottom end；Institute
The bottom surface for stating fixed contact block forms annular torsion spring mounting groove for installing the torsion spring, the torsion spring mounting groove
The maximum gauge being more than or equal at minimum diameter at first external screw thread；The torsion spring mounting groove inner top surface form with it is described
First torsion spring mounting hole of one end grafting；The torsion spring mounting groove inner top surface is formed for the nut piece after fixed screw
The positioning hole of position；
By being threaded with the nut piece of annular at first external screw thread in the mounting post；The nut piece madial wall
Top is molded and first external screw thread is threadedly coupled the first internal thread；The nut piece madial wall bottom forms diameter
More than the cylindrical lost motion slot of the maximum gauge at the first external screw thread；The nut piece upper surface forms another with the torsion spring
Second torsion spring mounting hole of one end grafting；The nut piece outer wall is formed outside second for being threadedly coupled with the revolving part
Screw thread；The nut piece upper surface forms positioning through hole at lateral wall；
The torsion spring upper and lower ends respectively form the first torsion spring mounting head and the second torsion spring mounting head；The first torsion spring mounting head
It is plugged in the first torsion spring mounting hole；The second torsion spring mounting head is plugged in the second torsion spring mounting hole；
The revolving part lower end forms rotating disk；The rotating disk intermediary form has what is be threadedly coupled with second external screw thread
Revolving part screwed hole；The revolving part screwed hole bottom is molded the nut spacing ring of the restricted nut piece axial location；Institute
State rotating disk upper end and circumferentially angularly form four rotating contact blocks, symmetrical two of the rotating contact block are one
Group；Rotating contact block upper end forms contact block described in one group；The first cast socket of rotating contact block correspondence described in another group
Multiple the second cast sockets for being used to connect cast terminal that the diameter that place forms equidistant arrangement successively decreases；
The torsion spring rotation direction and first external screw thread are oppositely oriented；
First external screw thread and second external thread rotary are to identical；
The mounting post bottom forms the external screw thread for installing binding post.
2. a kind of instrument terminal as claimed in claim 1, it is characterised in that：The first externally threaded spiral angle is
30-60°。
3. a kind of instrument terminal as claimed in claim 1, it is characterised in that：The each fixed contact block, rotating contact
Block and upper contact block circumferentially institute it is angled be 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477337.5A CN107302148B (en) | 2017-06-21 | 2017-06-21 | A kind of instrument terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477337.5A CN107302148B (en) | 2017-06-21 | 2017-06-21 | A kind of instrument terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107302148A true CN107302148A (en) | 2017-10-27 |
| CN107302148B CN107302148B (en) | 2019-04-30 |
Family
ID=60134943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710477337.5A Active CN107302148B (en) | 2017-06-21 | 2017-06-21 | A kind of instrument terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107302148B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932196A (en) * | 2018-09-19 | 2020-03-27 | 中央发条株式会社 | Cable support device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2687860Y (en) * | 2004-03-23 | 2005-03-23 | 张德辉 | Pressing type wiring terminal |
| CN203386976U (en) * | 2013-08-14 | 2014-01-08 | 合肥天海电气技术有限公司 | Wiring assembly of binding post |
| JP2014053284A (en) * | 2013-03-26 | 2014-03-20 | Susumu Imaoka | Movable attachment plug |
| CN204130799U (en) * | 2014-09-25 | 2015-01-28 | 杭州杰电电子有限公司 | Binding post |
| CN204577649U (en) * | 2015-05-03 | 2015-08-19 | 国网山东省电力公司潍坊供电公司 | The binding clip that waterproof insulating protection is high |
-
2017
- 2017-06-21 CN CN201710477337.5A patent/CN107302148B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2687860Y (en) * | 2004-03-23 | 2005-03-23 | 张德辉 | Pressing type wiring terminal |
| JP2014053284A (en) * | 2013-03-26 | 2014-03-20 | Susumu Imaoka | Movable attachment plug |
| CN203386976U (en) * | 2013-08-14 | 2014-01-08 | 合肥天海电气技术有限公司 | Wiring assembly of binding post |
| CN204130799U (en) * | 2014-09-25 | 2015-01-28 | 杭州杰电电子有限公司 | Binding post |
| CN204577649U (en) * | 2015-05-03 | 2015-08-19 | 国网山东省电力公司潍坊供电公司 | The binding clip that waterproof insulating protection is high |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932196A (en) * | 2018-09-19 | 2020-03-27 | 中央发条株式会社 | Cable support device |
| CN110932196B (en) * | 2018-09-19 | 2021-03-19 | 中央发条株式会社 | Cable support device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107302148B (en) | 2019-04-30 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190328 Address after: 211200 No. 10 Zhongxing East Road, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Applicant after: Chengdu Aerospace Molding Nanjing Co., Ltd. Address before: 310051 1, -10 5, No. 11, Ju Gong Road, Binjiang District Xi Xing street, Hangzhou, Zhejiang. Applicant before: Hangzhou Power Spectrum Technology Co., Ltd. |
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