CN218206092U - Folding reset structure of multi-section hollow rod - Google Patents
Folding reset structure of multi-section hollow rod Download PDFInfo
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- CN218206092U CN218206092U CN202221995098.5U CN202221995098U CN218206092U CN 218206092 U CN218206092 U CN 218206092U CN 202221995098 U CN202221995098 U CN 202221995098U CN 218206092 U CN218206092 U CN 218206092U
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Abstract
The scheme discloses a folding reset structure of a multi-section hollow rod, which comprises a first rod piece and a second rod piece, wherein the first rod piece and the second rod piece are both hollow rods; the tension spring fixing piece is detachably fixed on the first rod piece; the tension spring is arranged in the first rod piece in a penetrating way, and the upper end of the tension spring is detachably fixed on the tension spring fixing piece; the lower end of the tension spring is detachably fixed with the upper end of the steel wire rope; the lower end of the steel wire rope is detachably fixed with the second rod piece. The beneficial effect of this scheme is: the hollow rods are connected by using wear-resistant rigging, and the elastic deformation function of the rigging can be kept unchanged.
Description
Technical Field
The utility model relates to an outdoor articles for use field of travelling specifically is a folding reset structure of cavity pole in multistage.
Background
Chinese patent document CN101988533A discloses a "connecting sleeve" in 23/3/2011, a protruding point is punched at the middle position of an inner hole of the connecting sleeve, the inner hole of the connecting sleeve is divided into two parts to form two sleeve inner insertion holes, and the two sleeve inner insertion holes can be respectively connected with two sections of tent poles or mosquito net poles in an inserting manner. The invention provides a connecting sleeve which does not damage a tent pole or a mosquito net pole when a tent or a mosquito net is unfolded and bent, does not need to be fixed by glue, has high assembling speed and improves the production efficiency, and solves the technical problems that the tent pole or the mosquito net pole is easy to damage and break and has low assembling speed in the prior art. This type of prior art, the universal adoption bungee cord is connected, and after the book is rolled up, bungee cord local exposure is between the tip of two cavity poles, is worn and torn fast easily, influences life.
Disclosure of Invention
Based on above problem, the utility model provides a folding structure that resets of cavity pole in multistage trades and connects each cavity pole with wear-resisting rigging, can also keep the elastic deformation function of rigging unchangeable simultaneously.
In order to realize the purpose of the invention, the utility model adopts the following technical scheme: a folding reset structure of a multi-section hollow rod comprises a first rod piece and a second rod piece, wherein the first rod piece and the second rod piece are both hollow rods, the first rod piece and the second rod piece are coaxial after assembly, the first rod piece is positioned above the second rod piece, and the folding reset structure further comprises a tension spring fixing piece, a tension spring and a steel wire rope;
the tension spring fixing piece is detachably fixed on the first rod piece;
the tension spring is arranged in the first rod piece in a penetrating way, and the upper end of the tension spring is detachably fixed on the tension spring fixing piece;
the lower end of the tension spring is detachably fixed with the upper end of the steel wire rope;
the lower end of the steel wire rope is detachably fixed with the second rod piece.
Preferably, the tension spring fixing piece is inserted into an opening at the upper end of the first rod piece; the main part of extension spring is spiral portion, and the top of spiral portion is equipped with straight rod portion, and the top of straight rod portion is equipped with the ring portion, and the ring portion is fixed with the extension spring mounting.
Preferably, the middle part of the tension spring fixing piece is provided with a radial hole of the tension spring fixing piece, and the lower part of the tension spring fixing piece is provided with an axial slit of the tension spring fixing piece; the radial hole of extension spring mounting extends along the radial of extension spring mounting, and extension spring mounting axial slit extends along the axial of extension spring mounting and radially, and the upper end and the radial hole intercommunication of extension spring mounting axial slit.
Preferably, the upper part of the tension spring fixing piece is provided with an upper slit of the tension spring fixing piece, and the lower part of the tension spring fixing piece is provided with a lower slit of the tension spring fixing piece; the upper end of the slit on the tension spring fixing piece is open, the lower end of the slit is closed, and the extending direction of the slit extends along the axial direction and the radial direction; the extension direction of the slit under the tension spring fixing piece extends along the axial direction and the radial direction, the lower end, the upper end and the single side are opened, and the plane of the extension direction of the slit under the tension spring fixing piece is intersected with the plane of the extension direction of the slit on the tension spring fixing piece but not parallel.
Preferably, the tension spring fixing piece is in a cone frustum shape and is fixedly plugged in an upper end opening of the first rod piece.
Preferably, the auxiliary sleeve is also included, and the auxiliary sleeve can be simultaneously and tightly hooped outside the first rod piece and the second rod piece or simultaneously and tightly sleeved inside the first rod piece and the second rod piece.
Preferably, the device further comprises a third rod piece, and the third rod piece is coaxially arranged above the first rod piece after being assembled.
The folding reset structure of the multi-section hollow rod comprises a hollow first rod piece and a hollow second rod piece. The first rod piece is one and is positioned above, and the second rod piece is arranged below the first rod piece in an adjacent mode. The second rod piece can be connected with a plurality of hollow rod pieces below, and is determined by a designer according to the requirement. In principle, the first and second bars may also be curved, so that the entire structure is curved after assembly. For convenience of description, the scheme only introduces a straight rod scheme.
A tension spring fixing member is detachably fixed to the first rod, usually at the upper opening, and is detachably fixed to the upper end of the tension spring, while the lower end of the tension spring is fixed to the second rod through a wire rope.
In order to realize the detachability of extension spring mounting and extension spring, the extension spring in this scheme has adopted the extension spring, and the upper end of extension spring includes spiral portion, straight rod portion and ring portion, and wherein the annular of ring portion can be the ring, also can be the square ring, can also be other shapes, as long as the width of ring portion is greater than the thickness of ring portion can.
It corresponds with it, and the extension spring mounting can have two kinds of structures at least:
the tension spring fixing piece is provided with a radial hole of the tension spring fixing piece and an axial slit of the tension spring fixing piece. The radial hole of extension spring mounting is located the middle part of extension spring mounting, radially sets up, can be the through-hole that both ends switched on, also can be the blind hole that only one end switched on, and the shape is unlimited, size adaptation ring portion's size. The extension spring mounting axial slit is located the lower part of extension spring mounting, and the extending direction who extends the slit is the axial and radial of extension spring mounting, and the upper end and the radial hole intercommunication of extension spring mounting of slit. The width of the slit is only slightly larger than the thickness of the ring part and smaller than the width of the ring part. During installation, the ring part of the tension spring is arranged in the radial hole of the tension spring fixing part, and then the straight rod part is accommodated in the axial slit of the tension spring fixing part. The lower edge of the ring part is limited by the wall of the radial hole of the tension spring fixing piece, and the ring part is ensured not to loosen under the action of tension of the tension spring. This scheme is more fit for the application method of extension spring mounting as the outside end of whole structure.
And the tension spring fixing piece is provided with an upper slit of the tension spring fixing piece and a lower slit of the tension spring fixing piece. The slit on the tension spring fixing piece is positioned above the tension spring fixing piece, the opening is upward, and the extending direction of the slit is the axial direction and the radial direction of the tension spring fixing piece. The slit under the extension spring mounting is located extension spring mounting below, and the opening is down, on and the outside, and the extending direction of slit is the axial of extension spring mounting and radial equally, but there is the contained angle between the extending direction of slit under the extension spring mounting and the extension direction of slit under the extension spring mounting on the extension spring mounting, generally takes the right angle as the preference. The widths of the upper slit of the tension spring fixing piece and the lower slit of the tension spring fixing piece are only slightly larger than the thickness of the ring part and smaller than the width of the ring part. During installation, the straight rod part of the tension spring is firstly brought into the lower slit of the tension spring fixing piece, the ring part is exposed above the tension spring fixing piece, then the tension spring fixing piece is rotated in the circumferential direction, the direction of the slit on the tension spring fixing piece is aligned to the width direction of the ring part, and finally the tension spring fixing piece is pulled towards the upper end, so that the ring part falls into the slit on the tension spring fixing piece. The scheme is more suitable for using other rod pieces above the first rod piece. In the structure, the tension spring fixing piece can be designed into a cone frustum shape in consideration and is fixedly plugged at the opening at the upper end of the first rod piece.
Between the first rod and the second rod, an auxiliary sleeve may be designed to help stabilize the connection, and the auxiliary sleeve may be of an inner sleeve type or an outer hoop type. If the first rod and the second rod adopt a nested structure, the auxiliary sleeve can be omitted.
When the combined type steel wire rope tension device is used, the upper rod piece and the lower rod piece are pulled, the length of the steel wire rope and the length of the tension spring are lengthened through the deformation of the tension spring, so that the middle rod pieces are axially spliced together or are disassembled from an axial splicing state, then the tension spring is reset by loosening hands, and the rod pieces are kept in a current splicing or folding state.
The structure only describes one section of the long rod combined by the plurality of sections of hollow rods, and as a person skilled in the art, the structure can be completely applied to the other end of the long rod combined by the plurality of sections of hollow rods, so that the bidirectional stretching is realized.
To sum up, the beneficial effects of the utility model are that: the wear-resistant rigging is used for connecting the hollow rods, and the elastic deformation function of the rigging can be kept unchanged.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention in an expanded state;
fig. 2 is a partial exploded view of embodiment 1 of the present invention;
fig. 3 is a partial axial sectional view of embodiment 1 of the present invention;
FIG. 4 is a partial schematic view of the tension spring;
fig. 5 is a perspective view of the tension spring holder in embodiment 1;
fig. 6 is a plan view of the tension spring holder in embodiment 1;
fig. 7 is a front view of the tension spring holder in embodiment 1;
fig. 8 is a bottom view of the tension spring holder in embodiment 1;
FIG. 9 isbase:Sub>A sectional view A-A of FIG. 8;
fig. 10 is a schematic structural view of embodiment 1 of the present invention in a folded state;
fig. 11 is a partial axial sectional view of embodiment 2 of the present invention in a deployed state;
fig. 12 is a perspective view of the tension spring holder according to embodiment 2;
fig. 13 is a perspective view of another perspective of the tension spring holder according to embodiment 2;
fig. 14 is a side view of the tension spring holder of embodiment 2;
fig. 15 is a plan view of the tension spring holder according to embodiment 2;
FIG. 16 is a cross-sectional view B-B of FIG. 15;
fig. 17 is a schematic structural view of embodiment 2 of the present invention in a folded state.
Wherein: 1 a first rod, 2 a second rod, 3 an auxiliary sleeve,
4 tension spring fixing parts, 41 tension spring fixing part axial slits, 42 tension spring fixing part radial holes, 43 tension spring fixing part upper slits, 44 tension spring fixing part lower slits,
5 a tension spring, 51 a spiral part, 52 a straight rod part, 53 a ring part,
6 steel wire ropes, 9 third rod pieces.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example 1
Embodiment 1 is a folding reset structure of a multi-section hollow rod, which is applied to a certain tent framework.
As shown in fig. 1 and 2, the folding reset structure of the hollow rod of this segment includes a first rod 1, a second rod 2, an auxiliary sleeve 3, a tension spring fixing member 4, a tension spring 5 and a steel wire rope 6. The first rod piece 1 and the second rod piece 2 are hollow rods with the same outer diameter and the same axial direction, after the assembly is finished, the first rod piece 1 is positioned above the second rod piece 2, a plurality of other hollow rods are arranged below the second rod piece 2, and the first rod piece 1, the second rod piece 2 and the hollow rods are combined into a vertical long rod. The tension spring 5 is arranged in the first rod piece 1 in a penetrating way.
Referring to fig. 3, the tension spring fixing member 4 is fixed at an opening of the upper end of the first rod member 1, the upper end of the tension spring 5 is fixed on the tension spring fixing member 4, and the lower end is provided with a hook shaped like a Chinese character 'hui'. The steel wire rope 6 is made of a plurality of strands of steel wires through weaving, has the diameter of 0.3mm, and has the characteristics of high strength, high toughness, high wear resistance and easy bending. The upper end of the steel wire rope 6 is fixed with the clip-shaped hook at the lower end of the tension spring 5, and the lower end is fixed with the hollow rod at the lowest end of the whole long rod.
Referring to fig. 4, the main body of the tension spring 5 is a spiral part 51, a vertical straight rod part 52 is arranged above the spiral part 51, and a ring part 53 is arranged above the straight rod part 52. In this example, the ring portion 53 is shaped as a circular ring, and the outer diameter of the circular ring is significantly larger than the thickness of the circular ring.
The tension spring fixing member 4 in this example is an aluminum member. Referring to fig. 5, 6, 7, 8 and 9, the tension spring fixing member 4 has a radial hole 42 in the middle and an axial slit 41 in the lower part. The radial hole 42 of the tension spring fixing piece is a blind hole, the extension direction is the radial direction of the tension spring fixing piece 4, and the size is slightly larger than the circular outer diameter of the ring part 53. The opening direction of the tension spring holder axial slit 41 is downward, upward and lateral, and the upper opening is connected to the spring holder radial hole 42.
During installation, the ring part 53 of the tension spring 5 is placed into the radial hole 42 of the tension spring fixing part, and then the straight rod part 52 is pushed in along the axial slit 41 of the tension spring fixing part, so that the width direction of the lower edge of the ring part 53 is limited by the hole wall of the radial hole 42 of the tension spring fixing part, and the fixation of the tension spring 5 and the tension spring fixing part 4 is completed.
An auxiliary sleeve 3 is further designed between the first rod member 1 and the second rod member 2, and the auxiliary sleeve 3 can be fixed with the first rod member 1 or the second rod member 2. The auxiliary sleeve 3 of this example is fitted inside the first rod member 1 and the second rod member 2.
In this example, the lower end of the long rod is also applied with the folding reduction structure, and the detailed description is omitted.
When disassembling, the upper and lower ends of the long rod shown in fig. 1 are pulled to stretch and deform the tension spring 5, and a sufficient gap is formed between the adjacent first rod 1 and the second rod 2, or between the second rod 2 and the adjacent hollow rod below, or between the other adjacent hollow rods, so that the combined insertion form assisted by the auxiliary sleeve 3 can be removed, and finally the long rod is folded into the state shown in fig. 10. The reverse operation is only needed when the assembly is carried out.
Example 2
Referring to fig. 11, compared with embodiment 1, in this example, the auxiliary sleeve 3 is eliminated, the third rod 9 is added, the combination mode of the first rod 1 and the second rod 2 is different, and the structure of the tension spring fixing member 4 is different from that of embodiment 1. Otherwise, the procedure is as in example 1.
Specifically, the first rod 1 of this example is partially sleeved in the second rod 2, and the portion of the first rod 1 exposed at the upper end of the second rod 2 is sleeved in the third rod 9, so that the long rod of this example in the assembled state cannot see the first rod 1 outside.
Referring to fig. 12, 13, 14, 15 and 16, the tension spring fixing member 4 of this embodiment is a truncated cone, made of plastic, and is fixed to the upper end opening of the first rod 1 in a plugging manner. The upper part of the tension spring fixing member 4 is provided with an upper tension spring fixing member slit 43, and the lower part thereof is provided with a lower tension spring fixing member slit 44. The upper end of the slit 43 on the tension spring fixing piece is open, the lower end is closed, and the extending direction of the slit extends along the axial direction and the radial direction. The lower slit 44 of the tension spring fixing member is opened at the lower end, the upper end and one side, and the extending direction of the slit extends along the axial direction and the radial direction. The upper end opening of the tension spring fixing piece lower slit 44 is connected with the tension spring fixing piece upper slit 43. The plane of the extension direction of the slit 43 on the tension spring holder intersects with the plane of the extension direction of the slit 43 on the tension spring holder at right angles.
During installation, the straight rod part 52 of the tension spring 5 is firstly pushed into the lower slit 44 of the tension spring fixing part, then the tension spring fixing part 4 is rotated, so that the position and the angle of the slit 43 on the tension spring fixing part correspond to the position and the angle of the ring part 53, then the tension spring fixing part 4 is moved upwards, so that the ring part 53 falls into the slit 43 on the tension spring fixing part, and then the fixation of the tension spring 5 and the tension spring fixing part 4 is completed.
The method of use of this example is the same as in example 1, and the disassembled state is shown in fig. 17.
The same as in example 1.
Claims (7)
1. A folding reset structure of a multi-section hollow rod comprises a first rod piece (1) and a second rod piece (2), wherein the first rod piece (1) and the second rod piece (2) are both hollow rods, the first rod piece (1) and the second rod piece (2) are coaxial after assembly, and the first rod piece (1) is positioned above the second rod piece (2), and the folding reset structure is characterized by further comprising a tension spring fixing piece (4), a tension spring (5) and a steel wire rope (6);
the tension spring fixing piece (4) is detachably fixed on the first rod piece (1);
the tension spring (5) penetrates through the first rod piece (1), and the upper end of the tension spring is detachably fixed on the tension spring fixing piece (4);
the lower end of the tension spring (5) is detachably fixed with the upper end of the steel wire rope (6);
the lower end of the steel wire rope (6) is detachably fixed with the second rod piece (2).
2. The folding and restoring structure of the multi-section hollow rod as claimed in claim 1, wherein the tension spring fixing member (4) is inserted into the upper opening of the first rod member (1); the main body of the tension spring (5) is a spiral part (51), a straight rod part (52) is arranged above the spiral part (51), a ring part (53) is arranged above the straight rod part (52), and the ring part (53) is fixed with the tension spring fixing part (4).
3. The folding and restoring structure of the multi-section hollow rod as claimed in claim 2, wherein the tension spring fixing member (4) is provided with a radial hole (42) in the middle and an axial slit (41) in the lower part; the radial hole (42) of the tension spring fixing piece extends along the radial direction of the tension spring fixing piece (4), the axial slit (41) of the tension spring fixing piece extends along the axial direction and the radial direction of the tension spring fixing piece (4), and the upper end of the axial slit (41) of the tension spring fixing piece is communicated with the radial hole (42) of the tension spring fixing piece.
4. The folding and restoring structure of the multi-section hollow rod as claimed in claim 2, wherein the upper part of the tension spring fixing member (4) is provided with an upper tension spring fixing member slit (43), and the lower part is provided with a lower tension spring fixing member slit (44); the upper end of a slit (43) on the tension spring fixing piece is opened, the lower end is closed, and the extending direction of the slit extends along the axial direction and the radial direction; the extension direction of the lower slit (44) of the tension spring fixing piece extends along the axial direction and the radial direction, the lower end, the upper end and the single side are opened, and the plane of the extension direction of the lower slit (44) of the tension spring fixing piece is intersected with and not parallel to the plane of the extension direction of the slit (43) of the tension spring fixing piece.
5. The folding and restoring structure for the multi-section hollow rod as claimed in claim 4, wherein the tension spring fixing member (4) is in a cone frustum shape and is fixedly plugged in the upper end opening of the first rod member (1).
6. The folding and restoring structure for the multi-section hollow rod as claimed in claim 1 or 2, further comprising an auxiliary sleeve (3), wherein the auxiliary sleeve (3) can be simultaneously tightly hooped outside the first rod (1) and the second rod (2) or simultaneously tightly sleeved inside the first rod (1) and the second rod (2).
7. The folding and restoring structure of the multi-section hollow rod as claimed in claim 1 or 2, further comprising a third rod member (9), wherein the third rod member (9) is coaxially arranged above the first rod member (1) after being assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995098.5U CN218206092U (en) | 2022-07-26 | 2022-07-26 | Folding reset structure of multi-section hollow rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995098.5U CN218206092U (en) | 2022-07-26 | 2022-07-26 | Folding reset structure of multi-section hollow rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218206092U true CN218206092U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221995098.5U Active CN218206092U (en) | 2022-07-26 | 2022-07-26 | Folding reset structure of multi-section hollow rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218206092U (en) |
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2022
- 2022-07-26 CN CN202221995098.5U patent/CN218206092U/en active Active
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