CN110581372B - Reflection type grating ruler cable connector structure - Google Patents
Reflection type grating ruler cable connector structure Download PDFInfo
- Publication number
- CN110581372B CN110581372B CN201910874462.9A CN201910874462A CN110581372B CN 110581372 B CN110581372 B CN 110581372B CN 201910874462 A CN201910874462 A CN 201910874462A CN 110581372 B CN110581372 B CN 110581372B
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- CN
- China
- Prior art keywords
- section
- hole
- shielding layer
- outer sleeve
- cable
- 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.)
- Expired - Fee Related
Links
- 239000010410 layer Substances 0.000 claims abstract description 51
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 15
- 239000012790 adhesive layer Substances 0.000 claims abstract description 11
- 239000011241 protective layer Substances 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 3
- 239000003292 glue Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 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
- 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
-
- 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
- H01R4/58—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 characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
- H01R4/646—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a reflection-type grating ruler cable joint structure, which is matched with a cable for use, wherein a cable body comprises a protective adhesive layer, a shielding layer and a metal wire, and the structure also comprises: an outer sleeve, an inner sleeve and a housing; the cable body is stripped to expose the shielding layer from the protective adhesive layer and then extends into the inner sleeve; the outer sleeve is sleeved outside the inner sleeve in an interference fit manner; the outer sleeve and the inner sleeve press the turned-up part of the shielding layer, and the inner sleeve is tightened and presses the cable body; the outer sleeve is mounted on the shell through interference fit; the invention adopts a connector mode that the cable fixing and shielding layers of the reflection grating ruler in the prior art are connected with the shell, utilizes the interference fit principle, reduces assembly parts, has good cable fastening effect, is simple to operate, saves manpower, and is convenient to disassemble and maintain at the later stage.
Description
Technical Field
The invention relates to the technical field of grating measurement, in particular to a reflective grating ruler cable connector structure.
Background
In the field of precision measurement and displacement control, the grating is used as a reference, and is internationally recognized as the most practical, economic and reliable technical measure for obtaining high precision due to the advantages of simple structure, high precision and the like. The reflective grating ruler is widely applied to electromechanical equipment with small installation space, such as a linear motor, a linear module and the like, due to the compact structure, the same expansion coefficient of a steel belt and the like.
In the field of reflective grating rulers, a joint of a cable needs to peel off an outermost protective rubber layer to leak out of a shielding layer, a generally cylindrical metal joint or a cylindrical metal joint with an opening is sleeved between the shielding layer and the protective rubber layer, the metal joint is fixed on a shell through a screw after being pressed by a joint pressing pliers, and the shielding layer is connected to the shell while the cable is fixed;
the operation of the mode is complex, the number of assembly parts is large, and the later maintenance is not facilitated.
Therefore, the installation defects of the reflection type grating ruler cable in the prior art are combined, and the design is simple in operation, few in assembly parts and convenient to disassemble and maintain in the later period, so that the problems are solved.
Disclosure of Invention
The invention aims to provide a connector structure of a reflective grating ruler cable, which adopts a connector mode that the reflective grating ruler cable is fixed and a shielding layer is connected with a shell, has simple operation, few assembling parts and convenient later-stage disassembly and maintenance and can achieve the same effect as the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention relates to a reflection-type grating ruler cable joint structure, which is matched with a cable for use, wherein a cable body comprises a protective adhesive layer, a shielding layer and a metal wire, and the structure also comprises: an outer sleeve, an inner sleeve and a housing;
the cable body is stripped to expose the shielding layer from the protective adhesive layer and then extends into the inner sleeve;
the outer sleeve is sleeved outside the inner sleeve in an interference fit manner;
the outer sleeve and the inner sleeve press the turned-up part of the shielding layer, and the inner sleeve is tightened and presses the cable body;
the outer sleeve is mounted on the housing by interference fit.
The cable body is provided with an A section, a B section, a C section and a D section;
the section A is a metal wire exposed part;
the section B is a turned-up part of the shielding layer;
the section C is a part of the shielding layer which is sleeved and attached to the metal wire;
the section D is a part of the protective adhesive layer which is sleeved and stuck on the shielding layer.
The outer sleeve is provided with a wiring harness through hole, an inner side matching hole and a first chamfer;
the wire harness passing hole and the inner side matching hole are coaxial;
the wire harness passage hole is formed with a first convex surface and a first interface surface;
the inner side matching hole is provided with a first concave surface;
the first convex surface is in contact with the section A;
the first interface surface is in contact with the section B.
The inner sleeve is provided with a shielding layer hole, a protective layer hole, an opening and a second chamfer;
the shielding layer hole, the protective layer hole and the opening are coaxial;
the shielding layer hole is provided with a second convex surface, a second interface and a third interface;
the protective layer hole is formed with a second concave surface;
the second convex surface is in contact with the section C;
the second interface surface and the second concave surface are respectively in contact with the D section;
the third interface surface is in contact with the section B.
The shell is provided with a mounting hole, an end face and a third convex face;
the outer sleeve is embedded into the mounting hole, and the bottom surface of the outer sleeve is flush with the end surface;
the third convex surface is in contact with the outer sleeve wall;
the corners of the outer wall of the inner sleeve are perpendicularly attached to the bottom surface and the end surface of the outer sleeve.
A first gap is formed between the first chamfer and the corner of the outer wall of the inner sleeve;
the second chamfer, first interface and the port of the B-section form a second gap.
In the above technical scheme, the structure of the cable joint of the reflective grating ruler provided by the invention has the following beneficial effects:
the invention adopts a connector mode that the cable fixing and shielding layers of the reflection grating ruler in the prior art are connected with the shell, utilizes the interference fit principle, reduces assembly parts, has good cable fastening effect, is simple to operate, saves manpower, and is convenient to disassemble and maintain at the later stage.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural diagram of a cable connector structure of a reflective grating ruler according to the present invention;
FIG. 2 is a schematic structural view of an outer sleeve in a cable joint structure of a reflective grating ruler according to the present invention;
FIG. 3 is a schematic structural diagram of an inner sleeve in a cable joint structure of a reflective grating ruler according to the present invention;
fig. 4 is a schematic structural diagram of a housing in a cable joint structure of a reflective grating ruler according to the present invention.
Fig. 5 is a schematic structural diagram of a cable body in a cable joint structure of a reflective grating ruler according to the present invention.
Description of reference numerals:
1. a cable body; 2. an outer sleeve; 3. an inner sleeve; 4. a housing; 5. a first gap; 6. a second gap;
21. the wire harness passes through the hole; 22. an inner side mating hole; 23. a first chamfer;
31. a shielding layer hole; 32. a protective layer hole; 33. an opening; 34. a second chamfer;
41. mounting holes; 42. an end face; 43. a third convex surface;
211. a first convex surface; 212. a first interface surface;
221. a first concave surface;
311. a second convex surface; 312. a second interface surface; 313. a third interface surface;
321. a second concave surface;
A. a metal line exposed portion; B. a shield layer turn-up portion;
C. the shielding layer is sleeved on the part pasted on the metal wire; D. the protective adhesive layer is sleeved on the part pasted on the shielding layer.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5;
the invention relates to a reflection-type grating ruler cable joint structure, which is matched with a cable for use, wherein a cable body 1 comprises a protective adhesive layer, a shielding layer and a metal wire, and also comprises: an outer sleeve 2, an inner sleeve 3 and a housing 4;
the cable body 1 is stripped to expose the shielding layer from the protective adhesive layer and then extends into the inner sleeve 3;
the outer sleeve 2 is sleeved outside the inner sleeve 3 in an interference fit manner;
the outer sleeve 2 and the inner sleeve 3 press the turned-up part of the shielding layer, and the inner sleeve 3 is tightened and presses the cable body 1;
the outer sleeve 2 is mounted on the housing 4 by an interference fit.
Preferably, each component in the invention adopts an interference fit principle, the outer sleeve 2 is in interference fit with the inner sleeve 3 in contact with the inner wall thereof and the shell 4 in contact with the outer wall thereof, so that the components more firmly compress the cable body 1, the cable body 1 is in contact with the outer sleeve 2 and the inner sleeve 3 simultaneously, and the cable body is compressed and interacted under different stresses at different contact surface positions, so that the elasticity is increased, and the fastening effect is good.
The cable body 1 is provided with a section A, a section B, a section C and a section D;
the section A is a metal wire exposed part;
the section B is a turned-up part of the shielding layer;
the section C is a part of the shielding layer which is sleeved and attached to the metal wire;
the section D is a part of the protective adhesive layer which is sleeved and stuck on the shielding layer.
The outer sleeve 2 has a wire harness passage hole 21, an inner fitting hole 22 and a first chamfer 23;
the harness passage hole 21 and the inside fitting hole 22 are coaxial;
the wiring harness passage hole 21 is formed with a first convex surface 211 and a first interface surface 212;
the inner fitting hole 22 is formed with a first concave surface 221;
the first convex surface 211 contacts the section a;
the first interface 212 contacts the section B.
Specifically, the structure of outer sleeve 2 and inner skleeve 3 mutually supports, can contact respectively and compress tightly with A section, B section, C section and the D section of cable conductor body 1 simultaneously, and the pencil is gone deep into casing 4 through pencil through hole 21, and inboard mating holes 22 compresses tightly the B section with inner skleeve 3, and inboard mating holes 22 and the outer disc interference fit of inner skleeve 3 tighten up inner skleeve 3 simultaneously, make inner skleeve 3 compress tightly the shielding layer.
The inner sleeve 3 has a shield hole 31, a protection hole 32, an opening 33, and a second chamfer 34;
the shielding layer hole 31, the protective layer hole 32 and the opening 33 are coaxial;
the shielding layer hole 31 is formed with a second convex surface 311, a second interface 312 and a third interface 313;
the protective layer hole 32 is formed with a second concave surface 321;
the second convex surface 311 is in contact with the section C;
the second interface surface 312 and the second concave surface 321 are respectively in contact with the section D;
the third interface surface 313 contacts the B segment.
Specifically, the cable body 1 with the protective rubber layer leaking out of the shielding layer is stripped to deeply enter the inner sleeve 3, the shielding layer of the cable body 1 reaches the shielding layer hole 31, the protective rubber layer is filled in the shielding layer hole 32, and the contact parts of the end parts of the inner sleeve and the outer sleeve press the shielding layer to turn up. The opening 33 makes the cable body 1 stretch into the inner sleeve 3 more easily, and the inner sleeve 3 is tightened up more easily in the process that the inner sleeve 3 is installed into the outer sleeve 2 through interference fit, so that the shielding layer hole 31 compresses the shielding layer, and the protective layer hole 32 compresses the protective rubber layer.
The housing 4 has a mounting hole 41, an end face 42 and a third convex surface 43;
the outer sleeve 2 is inserted into the mounting hole 41, and the bottom surface is flush with the end surface 42;
the third convex surface 43 is in contact with the outer wall of the outer sleeve 2;
the corners of the outer wall of the inner sleeve 3 are perpendicularly attached to the bottom surface and the end surface 42 of the outer sleeve 2.
The first chamfer 23 and the outer wall corner of the inner sleeve 3 form a first gap 5;
the second chamfer 34, the first interface 212 and the port of the B-segment form a second gap 6.
Specifically, after the cable body 1, the inner sleeve 3 and the outer sleeve 2 are assembled together, the cable body is finally assembled on the housing 4, the outer sleeve 2 is installed in the installation hole 41 through interference fit, and the inner sleeve 3 is pressed against the end face 42.
Preferably, the first gap 5 and the second gap 6 are formed by the contact of the first chamfer 23 and the second chamfer 34 with the interface, and the chamfer design is not easy to damage other interfaces in chamfer installation and is more accurate and convenient in installation compared with a right-angle design.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (4)
1. The utility model provides a reflection type grating chi cable conductor joint design, this structure uses with the cable conductor cooperation, and cable conductor body (1) is including protection glue film, shielding layer and metal wire, its characterized in that, this joint design includes: an outer sleeve (2), an inner sleeve (3) and a housing (4);
the cable body (1) is stripped to ensure that the protective adhesive layer leaks out of the shielding layer and then extends into the inner sleeve (3);
the outer sleeve (2) is sleeved outside the inner sleeve (3) in an interference fit manner;
the outer sleeve (2) is mounted on the housing (4) through interference fit;
the cable body (1) is provided with an A section, a B section, a C section and a D section;
the section A is a metal wire exposed part;
the section B is a turned-up part of the shielding layer;
the section C is a part of the shielding layer which is sleeved and attached to the metal wire;
the section D is a part of the protective adhesive layer which is sleeved and stuck on the shielding layer;
the outer sleeve (2) has a wire harness passing hole (21), an inner side fitting hole (22) and a first chamfer (23);
the wire harness passing hole (21) and the inner fitting hole (22) are coaxial;
the wire harness passage hole (21) is formed with a first convex surface (211) and a first interface surface (212);
the inner side matching hole (22) is provided with a first concave surface (221);
the first convex surface (211) is in contact with the section A;
the first interface (212) is in contact with the B segment.
2. A reflective grating ruler cable joint construction as claimed in claim 1, wherein:
the inner sleeve (3) is provided with a shielding layer hole (31), a protective layer hole (32), an opening (33) and a second chamfer (34);
the shielding layer hole (31), the protective layer hole (32) and the opening (33) are coaxial;
the shielding layer hole (31) is formed with a second convex surface (311), a second interface (312) and a third interface (313);
the protective layer hole (32) is provided with a second concave surface (321);
the second convex surface (311) is in contact with the section C;
the second interface surface (312) and the second concave surface (321) are respectively in contact with the D section;
the third interface (313) is in contact with the B segment.
3. A reflective grating ruler cable joint construction as claimed in claim 1, wherein:
the shell (4) is provided with a mounting hole (41), an end surface (42) and a third convex surface (43);
the outer sleeve (2) is embedded into the mounting hole (41) and the bottom surface of the outer sleeve is flush with the end surface (42);
the third convex surface (43) is in contact with the outer wall of the outer sleeve (2);
the corners of the outer wall of the inner sleeve (3) are vertically attached to the bottom surface and the end surface (42) of the outer sleeve (2).
4. A reflective grating ruler cable joint construction according to claim 2, wherein:
the first chamfer (23) and the outer wall corner of the inner sleeve (3) form a first gap (5);
the second chamfer (34), first interface (212) and the port of the B-section form a second gap (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910874462.9A CN110581372B (en) | 2019-09-17 | 2019-09-17 | Reflection type grating ruler cable connector structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910874462.9A CN110581372B (en) | 2019-09-17 | 2019-09-17 | Reflection type grating ruler cable connector structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110581372A CN110581372A (en) | 2019-12-17 |
| CN110581372B true CN110581372B (en) | 2020-08-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910874462.9A Expired - Fee Related CN110581372B (en) | 2019-09-17 | 2019-09-17 | Reflection type grating ruler cable connector structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110581372B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540835B (en) * | 2020-04-16 | 2023-07-04 | 北京机械设备研究所 | Joint of cabin penetrating cable in strong electromagnetic environment and shielding treatment method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8134071B2 (en) * | 2008-10-28 | 2012-03-13 | Nexans | Apparatus for a connection point between two electrical high-voltage cables |
| CN105281122A (en) * | 2015-11-16 | 2016-01-27 | 上海航天科工电器研究院有限公司 | Elastic pierced radio frequency coaxial connector with radial and axial floating function |
| CN205790682U (en) * | 2016-06-29 | 2016-12-07 | 洛阳尹太科智能科技有限公司 | Quick wiring connector, electrode fast connector and electric supply installation |
| CN206834459U (en) * | 2017-01-10 | 2018-01-02 | 贝思特宽带通讯(烟台)有限公司 | Coaxial connector and the cable assembly including the coaxial connector |
-
2019
- 2019-09-17 CN CN201910874462.9A patent/CN110581372B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8134071B2 (en) * | 2008-10-28 | 2012-03-13 | Nexans | Apparatus for a connection point between two electrical high-voltage cables |
| CN105281122A (en) * | 2015-11-16 | 2016-01-27 | 上海航天科工电器研究院有限公司 | Elastic pierced radio frequency coaxial connector with radial and axial floating function |
| CN205790682U (en) * | 2016-06-29 | 2016-12-07 | 洛阳尹太科智能科技有限公司 | Quick wiring connector, electrode fast connector and electric supply installation |
| CN206834459U (en) * | 2017-01-10 | 2018-01-02 | 贝思特宽带通讯(烟台)有限公司 | Coaxial connector and the cable assembly including the coaxial connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110581372A (en) | 2019-12-17 |
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Granted publication date: 20200825 |