CN215634220U - Concave-convex pin sleeve - Google Patents
Concave-convex pin sleeve Download PDFInfo
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- CN215634220U CN215634220U CN202120303847.2U CN202120303847U CN215634220U CN 215634220 U CN215634220 U CN 215634220U CN 202120303847 U CN202120303847 U CN 202120303847U CN 215634220 U CN215634220 U CN 215634220U
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Abstract
The utility model provides a concave-convex pin sleeve which is prefabricated at a corresponding position of furniture or a packing box, is fast and efficient to install and ensures accurate positioning. The positioning screw rod comprises a rear guide rod, a rear protrusion is arranged on the rear end face of the through hole, and a stop outer ring is arranged in the axial middle of the guide rod.
Description
Technical Field
The utility model relates to the technical field of connection of plate or frame components, in particular to a concave-convex pin bush.
Background
The existing furniture or packing box needs external fasteners for assembling and positioning when the existing furniture or packing box is spliced into a whole structure through a plate with a unit area or a frame structure with a unit size, the existing fasteners are connected through external bolts, nut fasteners or screws, and in the actual connection process, the fasteners need to be additionally and independently installed in positioning holes, so that the installation efficiency of the furniture or the packing box is low, and the furniture or the packing box cannot be accurately positioned.
Disclosure of Invention
Aiming at the problems, the utility model provides the concave-convex pin sleeve which is prefabricated at the corresponding position of furniture or a packing box, is quick and efficient to install and ensures accurate positioning.
Unsmooth pin bush, its characterized in that: the positioning device comprises a first positioning sleeve, a second positioning sleeve and a positioning screw rod, wherein the first positioning sleeve is integrally and fixedly arranged in a first positioning hole of a first splicing member, the second positioning sleeve is fixedly arranged in a second positioning hole of a second splicing member, a through hole is formed in the end surface of the second positioning sleeve facing the first positioning sleeve relative to the second positioning hole, an axially extending section of the first positioning sleeve corresponding to the through hole is provided with an inwards concave threaded hole, a threaded section of the front part of the positioning screw rod is inserted into the through hole, the threaded section is in threaded engagement with the inwards concave threaded hole in a locking state, the positioning screw rod further comprises a rear guide rod, the rear part of the guide rod protrudes out of the rear end surface of the through hole, a stop outer ring is arranged in the axial middle part of the guide rod, and a locking ring is fixedly arranged in the axial rear end of the through hole, the inner diameter of the locking ring is smaller than the outer diameter of the stopping outer ring, a stopping step is arranged at the axial front end of the through hole and used for limiting the axial position of the front end face of the stopping outer ring.
It is further characterized in that:
the locking ring is fixedly inserted and installed after the positioning screw rod is inserted into the through hole, so that the positioning screw rod cannot be separated from the second positioning sleeve;
the concave threaded hole of the first positioning sleeve is a blind hole, so that the axial position of the positioning screw rod is accurately and reliably positioned;
the end face, facing the concave threaded hole, of the second positioning sleeve is provided with a front convex guide protrusion, the end face, corresponding to the front convex guide protrusion, of the first positioning sleeve is provided with a concave guide groove, the front convex guide protrusion is arranged in the concave guide groove in a copying mode, and the front convex guide protrusion is inserted into the concave guide groove in a locking state;
the first positioning sleeve comprises a first guide main body and a first hexagonal positioning main body, the inner end of the first hexagonal positioning main body is fixedly connected with the first guide main body, and the outer diameter of the first guide main body is smaller than the equivalent outer diameter of the first hexagonal positioning main body, so that the first positioning sleeve is conveniently and fixedly arranged in the corresponding positioning hole of the first splicing member;
the second positioning sleeve comprises a second guide main body and a second hexagonal positioning main body, the inner end of the second hexagonal positioning main body is fixedly connected with the second guide main body, and the outer diameter of the second guide main body is smaller than the equivalent outer diameter of the second hexagonal positioning main body, so that the second positioning sleeve is conveniently and fixedly arranged in the corresponding positioning hole of the first splicing member;
the outer end faces of the first hexagonal positioning main body and the second hexagonal positioning main body are respectively provided with a spigot positioning ring, so that the accuracy and reliability of axial assembly are guaranteed;
a second positioning screw hole is formed in the exposed end face, parallel to the first splicing piece, of the first hexagonal positioning main body, the second positioning screw hole is communicated to the concave threaded hole and is a blind hole, so that the first positioning sleeve can effectively and stably connect the positioning screws from the two end faces, and convenient assembly of the unit splicing pieces is guaranteed;
the rear end face of the guide rod of the positioning screw rod is provided with an inner groove for driving, the shape of the inner groove comprises but is not limited to a straight groove, a cross groove and a star-shaped groove, and an installer drives the positioning screw rod to rotate through a screwdriver with a corresponding type to complete screwing or unscrewing actions.
After the technical scheme is adopted, the first positioning sleeve is integrally and fixedly arranged in the first positioning hole of the first splicing piece, the second positioning sleeve is fixedly arranged in the second positioning hole of the second splicing piece, the positioning screw rod is arranged in the through hole of the second positioning sleeve and is axially limited by the locking ring and the stopping step, the positioning screw rod is ensured not to be separated after being preassembled, and then the first splicing piece and the second splicing piece are spliced and aligned, the threaded section of the positioning screw rod is in threaded connection with the concave threaded hole before the positioning screw rod rotates, so that the first splicing piece and the second splicing piece are tightly fixed, when the first splicing piece and the second splicing piece need to be disassembled, the positioning screw rod is required to be rotated again to be separated from the concave threaded hole of the first positioning sleeve, and then the second splicing piece and the first splicing piece are separated; it can be fast accurate two adjacent splicers of location, and makes things convenient for the dismouting, still guarantees positioning accuracy and location firmness after the dismouting of a lot of, and it is prefabricated in the corresponding position of furniture or packing box, and the installation is swift high-efficient, and ensures accurate location.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view structural schematic diagram of the present invention;
FIG. 3 is a schematic view of section A-A of FIG. 2;
the names corresponding to the sequence numbers in the figure are as follows:
the positioning device comprises a first positioning sleeve 1, a concave threaded hole 11, a concave guide groove 12, a first guide main body 101, a first hexagonal positioning main body 102, a second positioning sleeve 2, a through hole 21, a locking ring 22, a stop step 23 front convex guide bulge 24, a second guide main body 201, a second hexagonal positioning main body 202, a positioning screw rod 3, a threaded section 31, a guide rod 32, a stop outer ring 33, an inner groove 34, a spigot positioning ring 4 and a second positioning screw hole 5.
Detailed Description
Concave-convex pin sleeves, as shown in figures 1-3: the positioning device comprises a first positioning sleeve 1, a second positioning sleeve 2 and a positioning screw rod 3, wherein the first positioning sleeve 1 is integrally and fixedly arranged in a first positioning hole of a first splicing member, the second positioning sleeve 2 is fixedly arranged in a second positioning hole of a second splicing member, a through hole 21 is formed in the end surface, facing the first positioning sleeve 1, of the second positioning sleeve 2 relative to the second positioning hole, an axially extending section, corresponding to the through hole 21, of the first positioning sleeve 1 is provided with a concave threaded hole 11, a threaded section 31 in the front part of the positioning screw rod 3 is inserted into the through hole 21, the threaded section 31 is in threaded engagement with the concave threaded hole 11 in a locking state, the positioning screw rod 3 further comprises a guide rod 32 at the rear part, the rear part of the guide rod 32 is protruded on the rear end surface of the through hole 21, and a stop outer ring 33 is arranged in the axial middle part of the guide rod 32, a locking ring 22 is fixedly arranged in the axial rear end of the through hole 21, the inner diameter of the locking ring 22 is smaller than the outer diameter of the stopping outer ring 33, a stopping step 23 is arranged at the axial front end of the through hole 21, and the stopping step 23 is used for limiting the axial position of the front end face of the stopping outer ring 33.
The locking ring 22 is fixedly inserted and installed after the positioning screw rod is inserted into the through hole 21, so that the positioning screw rod 3 cannot be separated from the second positioning sleeve 2;
the concave threaded hole 11 of the first positioning sleeve 1 is a blind hole, so that the axial position of the positioning screw rod 3 is accurately and reliably positioned;
the end surface of the second positioning sleeve 2 facing the concave threaded hole 11 is provided with a front convex guide protrusion 24, the end surface of the first positioning sleeve 1 corresponding to the front convex guide protrusion 24 is provided with a concave guide groove 12, the front convex guide protrusion 24 is arranged in a copying manner in the concave guide groove 12, and the front convex guide protrusion 24 is inserted in the concave guide groove 12 in a locking state;
the first positioning sleeve 1 comprises a first guide main body 101 and a first hexagonal positioning main body 102, the inner end of the first hexagonal positioning main body 102 is fixedly connected with the first guide main body 101, and the outer diameter of the first guide main body 101 is smaller than the equivalent outer diameter of the first hexagonal positioning main body 102, so that the first positioning sleeve 1 is conveniently and fixedly arranged in a corresponding positioning hole of a first splicing piece;
the second positioning sleeve 2 comprises a second guide main body 201 and a second hexagonal positioning main body 202, the inner end of the second hexagonal positioning main body 202 is fixedly connected with the second guide main body 201, and the outer diameter of the second guide main body 201 is smaller than the equivalent outer diameter of the second hexagonal positioning main body 202, so that the second positioning sleeve 2 is conveniently and fixedly arranged in the corresponding positioning hole of the first splicing member;
the outer end faces of the first hexagonal positioning body 102 and the second hexagonal positioning body 202 are respectively provided with a spigot positioning ring 4, so that the accuracy and reliability of axial assembly are ensured;
a second positioning screw hole 5 is formed in the exposed end face, parallel to the first splicing piece, of the first hexagonal positioning main body 102, and the second positioning screw hole 5 is communicated with the concave threaded hole 11 and is a blind hole, so that the first positioning sleeve 1 can effectively and stably connect the positioning screws 3 from two end faces, and convenient assembly of unit splicing pieces is guaranteed;
the rear end face of the guide rod of the positioning screw rod 3 is provided with an inner groove 34 for driving, the shape of the inner groove 34 includes but is not limited to a straight groove, a cross groove and a groove, and an installer drives the positioning screw rod to rotate through a screwdriver with a corresponding type to complete screwing or unscrewing actions.
The working principle is as follows: the first positioning sleeve is integrally and fixedly arranged in a first positioning hole of the first splicing piece, the second positioning sleeve is fixedly arranged in a second positioning hole of the second splicing piece, the positioning screw rod is arranged in a through hole of the second positioning sleeve and is axially limited by the locking ring and the stopping step, the positioning screw rod is ensured not to be separated after being preassembled, and then the first splicing piece and the second splicing piece are spliced and aligned, the positioning screw rod rotates to be protruded, the thread section of the positioning screw rod is in threaded connection with the concave threaded hole, so that the first splicing piece and the second splicing piece are tightly fixed, when the first splicing piece and the second splicing piece need to be disassembled, the positioning screw rod is rotated again to be separated from the concave threaded hole of the first positioning sleeve, and then the second splicing piece and the first splicing piece are separated; it can be fast accurate two adjacent splicers of location, and makes things convenient for the dismouting, still guarantees positioning accuracy and location firmness after the dismouting of a lot of, and it is prefabricated in the corresponding position of furniture or packing box, and the installation is swift high-efficient, and ensures accurate location.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. Unsmooth pin bush, its characterized in that: the positioning device comprises a first positioning sleeve, a second positioning sleeve and a positioning screw rod, wherein the first positioning sleeve is integrally and fixedly arranged in a first positioning hole of a first splicing member, the second positioning sleeve is fixedly arranged in a second positioning hole of a second splicing member, a through hole is formed in the end surface of the second positioning sleeve facing the first positioning sleeve relative to the second positioning hole, an axially extending section of the first positioning sleeve corresponding to the through hole is provided with an inwards concave threaded hole, a threaded section of the front part of the positioning screw rod is inserted into the through hole, the threaded section is in threaded engagement with the inwards concave threaded hole in a locking state, the positioning screw rod further comprises a rear guide rod, the rear part of the guide rod protrudes out of the rear end surface of the through hole, a stop outer ring is arranged in the axial middle part of the guide rod, and a locking ring is fixedly arranged in the axial rear end of the through hole, the inner diameter of the locking ring is smaller than the outer diameter of the stopping outer ring, a stopping step is arranged at the axial front end of the through hole and used for limiting the axial position of the front end face of the stopping outer ring.
2. A concavo-convex pin sleeve as set forth in claim 1, wherein: the locking ring is fixedly inserted and installed after the positioning screw rod is inserted into the through hole.
3. A concavo-convex pin sleeve as set forth in claim 1, wherein: the concave threaded hole of the first positioning sleeve is a blind hole.
4. A concavo-convex pin sleeve as set forth in claim 1, wherein: the end face, facing the concave threaded hole, of the second positioning sleeve is provided with a front convex guide protrusion, the end face, corresponding to the front convex guide protrusion, of the first positioning sleeve is provided with a concave guide groove, the front convex guide protrusion is profiled in the concave guide groove, and the front convex guide protrusion is inserted into the concave guide groove in a locking state.
5. A concavo-convex pin sleeve as set forth in claim 1, wherein: the first positioning sleeve comprises a first guide main body and a first hexagonal positioning main body, the inner end of the first hexagonal positioning main body is fixedly connected with the first guide main body, and the outer diameter of the first guide main body is smaller than the equivalent outer diameter of the first hexagonal positioning main body.
6. The cam-pin bushing of claim 5, wherein: the second positioning sleeve comprises a second guide main body and a second hexagonal positioning main body, the inner end of the second hexagonal positioning main body is fixedly connected with the second guide main body, and the outer diameter of the second guide main body is smaller than the equivalent outer diameter of the second hexagonal positioning main body.
7. The cam-pin bushing of claim 6, wherein: and the assembled outer end faces of the first hexagonal positioning main body and the second hexagonal positioning main body are respectively provided with a spigot positioning ring.
8. The cam-pin bushing of claim 5, wherein: and a second positioning screw hole is formed in the exposed end face, parallel to the first splicing piece, of the first hexagonal positioning main body, and the second positioning screw hole is communicated to the concave threaded hole.
9. A concavo-convex pin sleeve as set forth in claim 1, wherein: the rear end face of the guide rod of the positioning screw rod is provided with an inner groove for driving, and the shape of the inner groove comprises but is not limited to a straight groove, a cross groove and a star-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120303847.2U CN215634220U (en) | 2021-02-03 | 2021-02-03 | Concave-convex pin sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120303847.2U CN215634220U (en) | 2021-02-03 | 2021-02-03 | Concave-convex pin sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215634220U true CN215634220U (en) | 2022-01-25 |
Family
ID=79912305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120303847.2U Active CN215634220U (en) | 2021-02-03 | 2021-02-03 | Concave-convex pin sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215634220U (en) |
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2021
- 2021-02-03 CN CN202120303847.2U patent/CN215634220U/en active Active
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