CN218000071U - Prevent pivoted flexible stay tube - Google Patents
Prevent pivoted flexible stay tube Download PDFInfo
- Publication number
- CN218000071U CN218000071U CN202222239262.6U CN202222239262U CN218000071U CN 218000071 U CN218000071 U CN 218000071U CN 202222239262 U CN202222239262 U CN 202222239262U CN 218000071 U CN218000071 U CN 218000071U
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- China
- Prior art keywords
- sleeve
- fastening
- guide rail
- circular
- furling
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Abstract
A telescopic supporting tube capable of preventing rotation comprises an upper circular tube, a lower circular tube, a position-stopping guide part, a furling fastening sleeve, an outer driving sleeve and a fastening inner thread sleeve, wherein the position-stopping guide part comprises two circular-arc-shaped sleeve bodies, a locking block arranged in the circular-arc-shaped sleeve bodies and an elastic plate connected with an end plate of the circular-arc-shaped sleeve bodies; the furled fastening sleeve is inserted into the lower circular truncated cone-shaped driving cavity, the fastening internal thread sleeve is screwed with the external thread, and the annular guide rail is in sliding fit with the annular guide rail groove; the lower circular pipe penetrates through the furling fastening sleeve, the stop guide piece and the furling fastening sleeve to be matched with the stop position, and the axial guide groove is in sliding fit with the axial guide rail. The stop guide piece is fixed with the lower circular pipe and slides along a straight line with the upper circular pipe, the length direction is adjusted, and the fastening is convenient.
Description
Technical Field
The utility model relates to a photographic goods trade technical field, in particular to tripod foot pipe convenient to it is flexible fixed.
Background
In the prior art, chinese patent 201520797489.X discloses a tripod leg tube convenient for telescoping and fixing, which comprises a first telescopic tube, an inner adapter, a rubber ring, an outer adapter and a second telescopic tube, wherein one end of the first telescopic tube is fixedly connected with one end of the inner adapter; one end of the second telescopic pipe is sleeved with an external adapter and a rubber ring in sequence, and one end of the rubber ring is tightly pressed on the step surface of the inner cavity of the external adapter; the rubber ring is characterized in that two clamping strips are symmetrically arranged on the rubber circular side wall of the rubber ring, clamping grooves matched with the clamping strips are formed in the rotating circular side wall of the internal transfer joint, and external threads on the rotating circular side wall of the internal transfer joint are in threaded connection with internal threads of the external transfer joint; the rubber ring and the second telescopic pipe are connected in an interference fit mode. The problems exist that: the first extension pipe is opposite to the second extension pipe, so that the assembly is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at: the utility model provides a prevent flexible stay tube of pivoted, it has when adjusting length, prevents that upper circular pipe and lower circular pipe from rotating, fastening and convenient assembling's characteristics.
The utility model discloses a realize like this: the utility model provides a prevent flexible stay tube of pivoted which characterized in that: it comprises an upper circular pipe, a lower circular pipe, a stop guide piece, a furling fastening sleeve, an outer driving sleeve and a fastening inner thread sleeve,
the upper circular pipe is internally provided with an axial guide rail on a diameter line, and the lower circular pipe is provided with a pair of locking holes;
the stop guide part comprises two circular arc sleeve bodies, a locking block arranged in the circular arc sleeve bodies and an elastic plate connected with end plates of the circular arc sleeve bodies, and gaps between the circular arc sleeve bodies form axial guide grooves;
the furling fastening sleeve comprises an annular guide rail groove arranged at the bottom, an axial clearance groove, an inner cylindrical wall and an outer frustum-shaped wall,
the outer driving sleeve comprises an upper circular cavity, a lower circular truncated cone-shaped driving cavity and an external thread,
an annular guide rail is arranged in the lower end of the fastening internal thread sleeve;
the lower circular tube is inserted into the stop guide piece, and the locking block is embedded with the locking hole; the furled fastening sleeve is inserted into the lower cone frustum-shaped driving cavity, the fastening internal thread sleeve is screwed with the external thread, and the annular guide rail is in sliding fit with the annular guide rail groove; the lower circular pipe penetrates through the furling fastening sleeve, the stop guide piece and the furling fastening sleeve to be matched with the stop position, and the axial guide groove is in sliding fit with the axial guide rail.
The telescopic supporting tube for preventing rotation is characterized in that: and an anti-skidding sleeve made of plastic or rubber materials is pre-embedded on the peripheral surface of the fastening internal thread sleeve.
The telescopic supporting tube for preventing rotation is characterized in that: the stop guide piece and the furling fastening sleeve are made of plastic materials, and the upper circular tube, the lower circular tube, the outer driving sleeve and the fastening internal thread sleeve are made of metal materials.
The telescopic supporting tube for preventing rotation is characterized in that: and the upper part of the annular guide rail groove of the furling fastening sleeve is provided with a clearance groove with an opening at one end.
The utility model relates to a prevent pivoted telescopic stay tube ends a position guide fixed and with last circular duct along the rectilinear slide with lower circular duct, adjusts length direction, fastening convenience.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is one of the exploded perspective views of the present invention.
Fig. 4 is a second exploded perspective view of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
As shown in figure 1, the telescopic supporting tube for preventing rotation comprises an upper circular tube 1, a lower circular tube 2, a stop guide 3, a furling fastening sleeve 4, an outer driving sleeve 5 and a fastening inner thread sleeve 6,
an axial guide rail 11 on a diameter line is arranged in the upper circular tube 1, and a pair of locking holes 21 are arranged on the lower circular tube 2;
the stop guide part 3 comprises two circular arc-shaped sleeve bodies 31, a locking block 32 arranged in the circular arc-shaped sleeve bodies and an elastic plate 33 connected with an end plate of each circular arc-shaped sleeve body 31, and a gap between the circular arc-shaped sleeve bodies 31 forms an axial guide groove 34;
the furling fastening sleeve 4 comprises an annular guide rail 61 groove 41 arranged at the bottom, an axial clearance groove 42, an inner cylindrical wall and an outer frustum-shaped wall 43,
the outer driving sleeve 5 comprises an upper circular cavity 51, a lower truncated cone-shaped driving cavity 52 and external threads,
an annular guide rail 61 is arranged in the lower end of the fastening internal thread sleeve 6;
the upper end of the lower circular tube 2 is inserted into the stop guide piece 3, the locking block 32 is embedded with the locking hole 21, and the lower circular tube 2 and the stop guide piece 3 are fixed together; the furled fastening sleeve 4 is inserted into the lower cone frustum-shaped driving cavity 52, the fastening internal thread sleeve 6 is screwed with the external thread of the external driving sleeve 5, and the annular guide rail 61 is in sliding fit with the annular guide rail groove 41; the lower circular tube 2 penetrates through the furling fastening sleeve 4, the stopping position guide piece 3 and the furling fastening sleeve 4 to be matched with a stopping position, the axial guide groove 34 is in sliding fit with the axial guide rail 11, and the upper circular tube 1 and the lower circular tube 2 move along the axial direction to prevent relative rotation.
An anti-slip sleeve 7 made of plastic or rubber materials is embedded in the outer circumferential surface of the fastening internal thread sleeve 6.
The stop guide 3 and the furling fastening sleeve 4 are made of plastic material, and the upper circular tube 1, the lower circular tube 2, the outer driving sleeve 5 and the fastening inner threaded sleeve 6 are made of metal material, such as aluminum or stainless steel.
As the utility model discloses further improve: the upper part of the annular guide rail groove 41 of the furling fastening sleeve 4 is provided with a clearance groove 44 with one open end.
Fig. 1 and 2 show the maximum length of the telescopic supporting tube of the present invention, in which the inner thread sleeve 6 is rotated and fastened, the outer driving sleeve 5 moves upward relative to the furled fastening sleeve 4, and the furled fastening sleeve 4 is opened; the lower circular pipe 2 moves upwards to adjust the length of the telescopic supporting pipe; then fastening the internal thread sleeve 6 to rotate reversely, moving the external driving sleeve 5 downwards, and gathering the fastening sleeve 4; completing the length adjustment; the internal thread sleeve 6 is fastened by one hand and the lower circular tube is moved by the other hand. The operation is convenient.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. The utility model provides a prevent pivoted flexible stay tube which characterized in that: it comprises an upper circular pipe, a lower circular pipe, a stop guide piece, a furling fastening sleeve, an outer driving sleeve and a fastening inner thread sleeve,
the upper circular pipe is internally provided with an axial guide rail on a diameter line, and the lower circular pipe is provided with a pair of locking holes;
the stop guide part comprises two circular arc sleeve bodies, a locking block arranged in the circular arc sleeve bodies and an elastic plate connected with end plates of the circular arc sleeve bodies, and gaps between the circular arc sleeve bodies form axial guide grooves;
the furling fastening sleeve comprises an annular guide rail groove arranged at the bottom, an axial clearance groove, an inner cylindrical wall and an outer frustum-shaped wall,
the outer driving sleeve comprises an upper circular cavity, a lower circular truncated cone-shaped driving cavity and an external thread,
an annular guide rail is arranged in the lower end of the fastening internal thread sleeve;
the lower round pipe is inserted into the stop guide piece, and the locking block is embedded with the locking hole; the furled fastening sleeve is inserted into the lower cone frustum-shaped driving cavity, the fastening internal thread sleeve is screwed with the external thread, and the annular guide rail is in sliding fit with the annular guide rail groove; the lower circular pipe penetrates through the furling fastening sleeve, the stop guide piece and the furling fastening sleeve to be matched with the stop position, and the axial guide groove is in sliding fit with the axial guide rail.
2. A telescopic anti-rotation support tube according to claim 1, wherein: and an anti-slip sleeve made of plastic or rubber materials is embedded in the outer circumferential surface of the fastening internal thread sleeve.
3. A telescoping support tube against rotation as claimed in claim 1, wherein: the stop guide piece and the furling fastening sleeve are made of plastic materials, and the upper circular tube, the lower circular tube, the outer driving sleeve and the fastening internal thread sleeve are made of metal materials.
4. A telescopic rotation-prevention support tube according to claim 1, 2 or 3, characterised in that: and the upper part of the annular guide rail groove of the furled fastening sleeve is provided with a clearance groove with an opening at one end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222239262.6U CN218000071U (en) | 2022-08-24 | 2022-08-24 | Prevent pivoted flexible stay tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222239262.6U CN218000071U (en) | 2022-08-24 | 2022-08-24 | Prevent pivoted flexible stay tube |
Publications (1)
Publication Number | Publication Date |
---|---|
CN218000071U true CN218000071U (en) | 2022-12-09 |
Family
ID=84326475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222239262.6U Active CN218000071U (en) | 2022-08-24 | 2022-08-24 | Prevent pivoted flexible stay tube |
Country Status (1)
Country | Link |
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CN (1) | CN218000071U (en) |
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2022
- 2022-08-24 CN CN202222239262.6U patent/CN218000071U/en active Active
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