CN217345274U - Telescopic combined dual-purpose sleeve - Google Patents
Telescopic combined dual-purpose sleeve Download PDFInfo
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- CN217345274U CN217345274U CN202221258708.3U CN202221258708U CN217345274U CN 217345274 U CN217345274 U CN 217345274U CN 202221258708 U CN202221258708 U CN 202221258708U CN 217345274 U CN217345274 U CN 217345274U
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Abstract
The utility model provides a dual-purpose sleeve of flexible combination formula, including last sleeve head and lower sleeve head, the lower extreme of going up the sleeve head and the upper end of lower sleeve head are formed with the upper connector and the lower connector of external screw thread respectively, it has last trepanning and lower trepanning to form on the up end of going up the sleeve head and the lower terminal surface of lower sleeve head, it has last card hole and the lower card hole that communicates with last trepanning and lower trepanning to form respectively on upper connector and the lower connector, be equipped with the connecting piece between upper sleeve head and the lower sleeve head, the connecting piece is pegged graft in the internal screw thread pipe box, the upper and lower end of pipe box is the spiro union respectively on upper connector and lower connector, the lower terminal surface of upper connector and the up end of lower connector are formed with a plurality of upper limit jack and lower limit jack respectively. The connecting piece at the middle part of the dual-purpose sleeve is used for connecting the sleeve heads at the two ends, the length of the connecting piece at the middle part is adjustable, the dual-purpose sleeve is convenient to arrange in a tool box with a moderate size during contraction, and the dual-purpose sleeve can be used as a sleeve with a lengthened version during stretching.
Description
The technical field is as follows:
the utility model relates to a telescopic technical field, more specifically say and relate to a dual-purpose sleeve of flexible combination formula.
Background art:
most of the sleeves in the prior art are of a single specification, and the sleeves of the corresponding specifications need to be replaced according to working objects during use. Because of the large number of sleeves, a large tool box is required to accommodate the sleeves, which is inconvenient for carrying and using by workers. Therefore, a double-end dual-purpose sleeve is provided, the structure of the sleeve is shown in fig. 1, the sleeve comprises a cylindrical barrel body 1 ', two end faces of the barrel body 1 ' are respectively provided with sleeve holes 11 ' with different sizes, and a clamping hole 12 ' communicated with the sleeve holes 11 ' at the two ends is formed in the middle of the barrel body 1 ', so that one sleeve can be dual-purpose based on the two sleeve holes 11 '; however, the length of the sleeve is generally short, the sleeve used in some occasions needs to be lengthened, if some equipment is provided with deep counter bores, the middle part of the dual-purpose sleeve needs to be longer, and the lengthened sleeve needs to be provided with a large tool box to accommodate the sleeves, so that inconvenience is brought to carrying and using of workers.
The utility model has the following contents:
the utility model aims at providing a to prior art not enough, and provide a flexible combination formula's dual-purpose sleeve, its dual-purpose sleeve utilizes the connecting piece at middle part to connect the cover barrel head at both ends, and the connecting piece length at middle part is adjustable, is convenient for settle in the proper instrument box of size during the shrink, can regard as the sleeve of extension version to use during the drawing.
A telescopic combined dual-purpose sleeve comprises an upper sleeve head and a lower sleeve head, wherein an upper connector and a lower connector with external threads are respectively formed at the lower end of the upper sleeve head and the upper end of the lower sleeve head, an upper sleeve hole and a lower sleeve hole are respectively formed on the upper end surface of the upper sleeve head and the lower end surface of the lower sleeve head, an upper clamping hole and a lower clamping hole which are communicated with the upper sleeve hole and the lower sleeve hole are respectively formed on the upper connector and the lower connector, a connecting piece is arranged between the upper sleeve head and the lower sleeve head and is inserted into a sleeve with internal threads, the upper end and the lower end of the sleeve are respectively screwed on the upper connector and the lower connector, and a plurality of upper limiting jacks and lower limiting jacks are respectively formed on the lower end surface of the upper connector and the upper end surface of the lower connector;
the connecting piece comprises a circular turntable, the upper end face and the lower end face of the turntable are respectively abutted against a limiting ring, and the limiting rings are inserted and fixed in the pipe sleeve; a plurality of shaft sleeves opposite to the upper limiting jacks and the lower limiting jacks are formed on the rotary table, transmission shafts are respectively inserted into two ends of each shaft sleeve, springs are inserted into the shaft sleeves, and two ends of each spring are respectively pressed on the transmission shafts; the transmission shafts at the two ends of the shaft sleeve are respectively inserted in the upper limiting jack of the upper connector and the lower limiting jack of the lower connector.
Preferably, the central axis of the upper sleeve head, the central axis of the lower sleeve head, the central axis of the sleeve and the central axis of the upper rotating disc of the connecting piece are all in the same straight line.
Preferably, the upper limiting jack and the lower limiting jack are at least three, and the upper limiting jack and the lower limiting jack are respectively and uniformly distributed on the upper sleeve head and the lower sleeve head in an annular mode around the central axis of the upper sleeve head.
Preferably, the diameter of the upper connector on the upper sleeve head is smaller than that of the upper sleeve head, the diameter of the lower connector on the lower sleeve head is smaller than that of the lower sleeve head, the diameter of the lower connector is equal to that of the upper connector, and the diameter of the outer wall of the sleeve is smaller than that of the upper sleeve head and that of the lower sleeve head.
Preferably, a plurality of anti-slip grooves are formed in the outer wall of the pipe sleeve, and the screwing direction of the threads of the lower connector is opposite to that of the threads of the upper connector.
Preferably, the outer wall of the rotating disc on the connecting piece abuts against the inner wall of the pipe sleeve and is located in the middle of the pipe sleeve, two ends of the shaft sleeve are located on the upper side and the lower side of the rotating disc, and the sum of the lengths of the shaft sleeve and the transmission shaft at the two ends of the shaft sleeve is greater than the length of the pipe sleeve.
Preferably, a limiting groove is formed in the outer wall of the transmission shaft, a jackscrew is inserted into the limiting groove and is in threaded connection with the shaft sleeve.
The beneficial effects of the utility model reside in that:
the connecting piece at the middle part of the dual-purpose sleeve is used for connecting the sleeve heads at the two ends, the length of the connecting piece at the middle part is adjustable, the dual-purpose sleeve is convenient to arrange in a tool box with a moderate size during contraction, and the dual-purpose sleeve can be used as a sleeve with a lengthened version during stretching.
Description of the drawings:
FIG. 1 is a schematic structural view of a conventional dual-purpose socket;
FIG. 2 is a schematic three-dimensional structure of the present invention;
FIG. 3 is a schematic structural view of the half-section of the present invention;
fig. 4 is a schematic diagram of the explosion structure of the present invention.
In the figure: 1', a cylinder body; 11', trepanning; 12', a clamping hole; 1. an upper sleeve head; 11. an upper connector; 12. sleeving a hole; 13. an upper clamping hole; 14. an upper limiting jack; 2. a lower sleeve head; 21. a lower connector; 22. a lower trepanning; 23. a lower clamping hole; 24. a lower limiting jack; 3. a coupling member; 31. a turntable; 311. a shaft sleeve; 32. a drive shaft; 33. a spring; 34. carrying out top thread; 4. pipe sleeve; 5. a limiting ring.
The specific implementation mode is as follows:
example (b): as shown in fig. 2 to 4, a telescopic combined dual-purpose sleeve comprises an upper sleeve head 1 and a lower sleeve head 2, wherein an upper connector 11 and a lower connector 21 with external threads are respectively formed at the lower end of the upper sleeve head 1 and the upper end of the lower sleeve head 2, an upper sleeve hole 12 and a lower sleeve hole 22 are formed on the upper end surface of the upper sleeve head 1 and the lower end surface of the lower sleeve head 2, an upper clamping hole 13 and a lower clamping hole 23 communicated with the upper sleeve hole 12 and the lower sleeve hole 22 are respectively formed on the upper connector 11 and the lower connector 21, a connecting piece 3 is arranged between the upper sleeve head 1 and the lower sleeve head 2, the connecting piece 3 is inserted into an internal thread sleeve 4, the upper end and the lower end of the sleeve 4 are respectively screwed on the upper connector 11 and the lower connector 21, and a plurality of upper limiting jacks 14 and lower limiting jacks 24 are respectively formed on the lower end surface of the upper connector 11 and the upper end surface of the lower connector 21;
the connecting piece 3 comprises a circular turntable 31, the upper end face and the lower end face of the turntable 31 are abutted against a limiting ring 5, and the limiting ring 5 is inserted and fixed in the pipe sleeve 4; a plurality of shaft sleeves 311 which are opposite to the upper limiting insertion hole 14 and the lower limiting insertion hole 24 are formed on the rotary disc 31, transmission shafts 32 are respectively inserted into two ends of each shaft sleeve 311, springs 33 are inserted into the shaft sleeves 311, and two ends of each spring 33 are respectively pressed on the transmission shafts 32; the transmission shafts 32 at the two ends of the shaft sleeve 311 are respectively inserted into the upper limit insertion hole 14 of the upper connector 11 and the lower limit insertion hole 24 of the lower connector 21.
Preferably, the central axis of the upper sleeve head 1, the central axis of the lower sleeve head 2, the central axis of the sleeve 4 and the central axis of the rotary disc 31 on the joint part 3 are all in the same straight line.
Preferably, the upper limiting insertion holes 14 and the lower limiting insertion holes 24 are at least three, and the upper limiting insertion holes 14 and the lower limiting insertion holes 24 are respectively and uniformly distributed on the upper sleeve head 1 and the lower sleeve head 2 in an annular manner around the central axis of the upper sleeve head 1.
Preferably, the diameter of the upper connector 11 on the upper sleeve head 1 is smaller than that of the upper sleeve head 1, the diameter of the lower connector 21 on the lower sleeve head 2 is smaller than that of the lower sleeve head 2, the diameter of the lower connector 21 is equal to that of the upper connector 11, and the diameter of the outer wall of the sleeve 4 is smaller than that of the upper sleeve head 1 and that of the lower sleeve head 2.
Preferably, a plurality of anti-slip grooves are formed on the outer wall of the pipe sleeve 4, and the thread direction of the lower connector 21 is opposite to that of the upper connector 11.
Preferably, the outer wall of the rotary disc 31 on the connecting element 3 abuts against the inner wall of the sleeve 4 and is located in the middle of the sleeve 4, the two ends of the shaft sleeve 311 are located at the upper side and the lower side of the rotary disc 31, and the sum of the lengths of the shaft sleeve 311 and the transmission shaft 32 at the two ends of the shaft sleeve 311 is greater than the length of the sleeve 4.
Preferably, a limiting groove 321 is formed on the outer wall of the transmission shaft 32, a terminal wire 34 is inserted into the limiting groove 321, and the terminal wire 34 is screwed on the shaft sleeve 311.
The working principle is as follows: the utility model relates to a telescopic combined dual-purpose sleeve, which comprises two sleeve heads, and is divided into an upper sleeve head 1 and a lower sleeve head 2, a connecting piece 3 is arranged between the upper sleeve head 1 and the lower sleeve head 2, the connecting piece 3 is equivalent to a transmission shaft assembly capable of elastic expansion, the transmission shaft 32 is mainly utilized to realize the radial spacing between the upper sleeve head 1 and the lower sleeve head 2, namely, the upper sleeve head 1 and the lower sleeve head 2 rotate together, the sleeve 4 is utilized to connect the upper sleeve head 1 and the lower sleeve head 2, the axial spacing between the upper sleeve head 1 and the lower sleeve head 2 is realized, and the length of the upper sleeve head 1 and the lower sleeve head 2 can be adjusted; the distance between the upper sleeve head 1 and the lower sleeve head 2 can be adjusted; the tool box is convenient to arrange in a tool box with a moderate size during contraction, and can be used as a sleeve for lengthening the plate during stretching.
The described embodiments are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.
Claims (7)
1. The utility model provides a dual-purpose sleeve of flexible combination formula, including last sleeve head (1) and lower sleeve head (2), the lower extreme of going up sleeve head (1) and the upper end of lower sleeve head (2) are formed respectively and are had last connector (11) and lower connector (21) of external screw thread, the shaping has last trepanning (12) and trepanning (22) down on the up end of going up sleeve head (1) and the lower terminal surface of lower sleeve head (2), go up connector (11) and down on connector (21) respectively the shaping have with last trepanning (12) and lower trepanning (22) be linked together go up card hole (13) and lower card hole (23), its characterized in that: a connecting piece (3) is arranged between the upper sleeve head (1) and the lower sleeve head (2), the connecting piece (3) is inserted into a pipe sleeve (4) with internal threads, the upper end and the lower end of the pipe sleeve (4) are respectively screwed on the upper connector (11) and the lower connector (21), and a plurality of upper limiting insertion holes (14) and lower limiting insertion holes (24) are respectively formed in the lower end face of the upper connector (11) and the upper end face of the lower connector (21);
the connecting piece (3) comprises a circular turntable (31), the upper end face and the lower end face of the turntable (31) are abutted against a limiting ring (5), and the limiting ring (5) is inserted and fixed in the pipe sleeve (4); a plurality of shaft sleeves (311) opposite to the upper limiting insertion holes (14) and the lower limiting insertion holes (24) are formed on the rotary table (31), transmission shafts (32) are respectively inserted into two ends of each shaft sleeve (311), springs (33) are inserted into the shaft sleeves (311), and two ends of each spring (33) are respectively pressed against the transmission shafts (32); the transmission shafts (32) at the two ends of the shaft sleeve (311) are respectively inserted into the upper limiting insertion hole (14) of the upper connector (11) and the lower limiting insertion hole (24) of the lower connector (21).
2. A telescopically-combined dual-purpose sleeve according to claim 1, wherein: the central axis of the upper sleeve head (1), the central axis of the lower sleeve head (2), the central axis of the pipe sleeve (4) and the central axis of the upper turntable (31) of the connecting piece (3) are all on the same straight line.
3. A telescopically-combined dual-purpose sleeve according to claim 2, wherein: the upper limiting jack (14) and the lower limiting jack (24) are at least three, and the upper limiting jack (14) and the lower limiting jack (24) are respectively and uniformly distributed on the upper sleeve head (1) and the lower sleeve head (2) in an annular mode around the central axis of the upper sleeve head (1).
4. A telescopically-combined dual-purpose sleeve according to claim 2, wherein: go up the diameter of last connector (11) on the sleeve head (1) and be less than the diameter of last sleeve head (1), the diameter of lower connector (21) on lower sleeve head (2) is less than the diameter of lower sleeve head (2), and the diameter of lower connector (21) equals the diameter of last connector (11), the diameter of pipe box (4) outer wall is less than the diameter of last sleeve head (1) and the diameter of lower sleeve head (2).
5. A telescopically-combined dual-purpose sleeve according to claim 4, wherein: the outer wall of the pipe sleeve (4) is provided with a plurality of anti-skidding grooves, and the screwing direction of the threads of the lower connector (21) is opposite to that of the threads of the upper connector (11).
6. A telescopically-combined dual-purpose sleeve according to claim 1, wherein: the outer wall of the turntable (31) on the connecting piece (3) abuts against the inner wall of the pipe sleeve (4) and is located in the middle of the pipe sleeve (4), two ends of the shaft sleeve (311) are located on the upper side and the lower side of the turntable (31), and the sum of the lengths of the shaft sleeve (311) and the transmission shaft (32) at the two ends of the shaft sleeve (311) is larger than that of the pipe sleeve (4).
7. A telescopically-combined dual-purpose sleeve according to claim 6, wherein: a limiting groove (321) is formed in the outer wall of the transmission shaft (32), a jackscrew (34) is inserted into the limiting groove (321), and the jackscrew (34) is in threaded connection with the shaft sleeve (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221258708.3U CN217345274U (en) | 2022-05-24 | 2022-05-24 | Telescopic combined dual-purpose sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221258708.3U CN217345274U (en) | 2022-05-24 | 2022-05-24 | Telescopic combined dual-purpose sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217345274U true CN217345274U (en) | 2022-09-02 |
Family
ID=83015778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221258708.3U Active CN217345274U (en) | 2022-05-24 | 2022-05-24 | Telescopic combined dual-purpose sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217345274U (en) |
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2022
- 2022-05-24 CN CN202221258708.3U patent/CN217345274U/en active Active
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