CN216111624U

CN216111624U - Telescopic rod positioning structure and tent framework

Info

Publication number: CN216111624U
Application number: CN202121865862.2U
Authority: CN
Inventors: 金祚献; 杨军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-03-22
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a telescopic rod positioning structure, wherein a first rod piece is a hollow tube, a second rod piece is adaptive to and spliced with the hollow tube of the first rod piece, the first rod piece is spliced with a first rod piece splicing hole on a positioning piece, the second rod piece is spliced with a second rod piece splicing hole on the positioning piece, the first rod piece splicing hole and the second rod piece splicing hole are coaxial and are communicated, a positioning hole is arranged on the inner side wall of the first rod piece splicing hole of the positioning piece, a positioning clamping piece is arranged on the side wall of the first rod piece, the positioning clamping piece is an elastic sheet, and the shape of the positioning piece is adaptive to the shape of the positioning hole; one end of the positioning clamping piece close to the first rod piece is fixed on the side wall of the first rod piece, and the main body tilts along the radial direction of the first rod piece; the inner side end of the first rod piece inserting hole is provided with a positioning platform which is in matched lap joint with the end part of the first rod piece. The utility model has the beneficial effects that: the telescopic rod is formed by combining three independent parts, namely the outer pipe, the inner pipe and the positioning piece, by using a simple structure, and the axial and circumferential positioning is reliable.

Description

Telescopic rod positioning structure and tent framework

Technical Field

The utility model relates to the field of travel articles, in particular to a telescopic rod positioning structure and a tent framework applying the telescopic rod positioning structure.

Background

For convenient storage, the rod members in the tent framework are usually used as telescopic rod structures. When the telescopic rod is used, the reliability of the positioning structure is the most important, and the positioning structure comprises an axial positioning function and a circumferential positioning function. Chinese patent document CN200940621Y discloses "a telescopic rod" in 2007, 8.29, which includes a hollow outer tube (1) and an inner tube (3), and is further provided with a hollow button sleeve (2), one end of the outer tube (1) is fixed in the button sleeve (2), slots (4) are uniformly distributed on the outer surface of the inner tube (3), the inner tube (1) is sleeved with the button sleeve (2), a rotating shaft (6) pivoted to the middle of a button (5) is arranged on the button sleeve (2), one end of the button (5) is provided with a positioning pin (8) adapted to the slot (4), and an elastic member (7) is arranged between the other end of the button sleeve (2). The utility model has the advantages that: simple structure, convenient to use, the location is easy, and fixed stability is high, can not take place to rotate or the displacement when the inner tube atress. In this scheme, setting element and outer tube need fixed shaping before leaving the factory, otherwise the user can't directly use. At present, in the equipment of travelling including tent skeleton, can provide spare part in a large number, let the user assemble by oneself to user's manual desire has been satisfied. If the positioning piece and the outer pipe in the scheme are directly sold without being fixed in advance, common consumers cannot fix and form the positioning piece and the outer pipe under the self condition.

Disclosure of Invention

Based on the problems, the utility model provides a telescopic rod positioning structure, which combines three independent parts, namely an outer pipe, an inner pipe and a positioning piece, into a telescopic rod by using a simple structure, and keeps reliable positioning in the axial direction and the circumferential direction; on the basis, the utility model also provides a tent framework using the telescopic rod positioning structure.

In order to realize the first purpose of the utility model, the utility model adopts the following technical scheme: a telescopic rod positioning structure comprises a first rod piece, a second rod piece and a positioning piece, wherein the first rod piece is a hollow tube, the second rod piece can be in adaptive splicing with the hollow tube of the first rod piece, the first rod piece can be spliced with a first rod piece splicing hole in the positioning piece, the second rod piece can be spliced with a second rod piece splicing hole in the positioning piece, the first rod piece splicing hole and the second rod piece splicing hole are coaxial and are communicated, a positioning hole is formed in the inner side wall of the first rod piece splicing hole of the positioning piece, a positioning clamping piece is arranged on the side wall of the first rod piece, the positioning clamping piece is an elastic sheet, and the shape of the positioning piece is adaptive to the shape of the positioning hole; one end of the positioning clamping piece close to the first rod piece is fixed on the side wall of the first rod piece, and the main body tilts along the radial direction of the first rod piece; the inner side end of the first rod piece inserting hole is provided with a positioning platform which is in matched lap joint with the end part of the first rod piece.

Preferably, the spread cross-sectional shape of the positioning hole is a rectangle, and one pair of sides of the rectangle is parallel to the cross section of the first rod member, and the other pair of sides of the rectangle is parallel to the axial direction of the first rod member.

Preferably, the ratio of the length of the connecting edge of the positioning clamping piece and the side wall of the first rod piece to the circumference of the first rod piece is 1: 4-1: 6; the ratio of the length of the side edge of the positioning clamping piece to the circumference of the first rod piece is 1: 4-1: 6.

Preferably, the positioning card is a part of the side wall of the first rod piece which is tilted.

Preferably, the positioning piece comprises a positioning pin, a positioning pin hole is formed in the side wall of the second rod piece, and the positioning pin and the positioning button form an adaptive splicing relation.

Preferably, the positioning member comprises a positioning button and an elastic member, and the positioning pin is fixed at the mating end of the positioning button and can be arranged along the axial direction of the positioning pin hole.

Preferably, the positioning piece further comprises a button groove, two side walls of the button groove are provided with torsion spring pin shaft mounting holes, a torsion spring pin shaft is sleeved in the torsion spring pin shaft mounting holes, the elastic piece is a torsion spring, and the torsion spring is sleeved on the torsion spring pin shaft.

Preferably, the cross-sectional shape and depth of the button groove matches the shape and pressing depth of the positioning button.

Preferably, the cross-sectional shape of the hollow tube of the first pin and the cross-sectional shape of the second pin are non-circular.

The telescopic rod positioning structure comprises a first rod piece, a second rod piece and a positioning piece which can be independent mutually. The first rod piece is a hollow tube and can be spliced with the second rod piece in an adaptive mode. The positioning piece is provided with two insertion holes, the first rod piece insertion hole can be used for inserting the first rod piece, the second rod piece insertion hole can be used for inserting the second rod piece, and the first rod piece insertion hole and the second rod piece insertion hole are coaxial and are communicated, so that the first rod piece, the second rod piece and the positioning piece can be assembled in an insertion mode. Wherein, the positioning card is designed on the first rod piece, the positioning hole is arranged on the inner side wall of the first rod piece inserting hole of the positioning piece, and the shape, the size and the position of the positioning card are matched and correspond to those of the positioning piece. The shape that the locating hole expanded is the rectangle, and one of them opposite side of rectangle is on a parallel with the cross section of first member, forms axial positioning effect, and another opposite side is on a parallel with the axial of first member, forms circumferential positioning effect. The positioning clamping piece is an elastic sheet which is also rectangular, one end of the positioning clamping piece close to the first rod piece is fixed on the side wall of the first rod piece, and the rest main body part tilts along the radial direction of the first rod piece to form an inclined included angle with the side wall of the first rod piece. When using, insert first member to first member spliced eye with corresponding position, the in-process location card of pegging graft is compressed tightly and is pasted at first member lateral wall, then outwards kick-backs at the position location card that corresponds the locating hole and resets, makes location card and locating hole form circumferential location effect and axial one-way location effect. And the other axial side is realized by a positioning platform positioned at the inner side end of the first rod piece inserting hole. Thus, the positioning piece and the first rod piece are reliably assembled, no tool is needed in the assembling process, and the assembling can be completed by a user with bare hands. It should be noted that the positioning hole may be a through hole or a blind hole, so as to accommodate the popped positioning card.

In practical application, for convenience of manufacturing, the positioning card can be used as a part of the tilting of the side wall of the first rod piece, so that only a part of the side wall of the first rod piece is cut and pressed for molding, and the positioning card does not need to be fixed additionally. In order to ensure the matching and positioning effect of the positioning card and the positioning hole, the length and width of the positioning card are preferably proper sizes.

Regarding the relation of connection between second member and the setting element, this scheme has designed a positioning button on the setting element, positioning button can press down the resilience under the effect of elastic component, the locating pin is installed to the work cooperation end of button, and be equipped with the locating pin hole on the lateral wall of second member, the locating pin inserts in the locating pin is downthehole under the normality, make second member peg graft in the setting element, keep the state of stretching out of telescopic link with first member, after pressing positioning button, the locating pin is from the downthehole separation of locating pin, the second member resumes free state, can with first member, the setting element separation. The elastic member may be a torsion spring, or other elastic members that may be reasonably selected by one skilled in the art. When the torsion spring is used, the torsion spring pin shaft for mounting the torsion spring can be mounted on two side walls of the button groove. The cross-sectional shape and depth of the button groove match the shape and pressing depth of the positioning button.

In order to further improve the circumferential limiting effect between the first rod piece and the second rod piece, the cross section of the hollow tube of the first rod piece and the cross section of the second rod piece are non-circular.

In order to realize the second purpose of the utility model, the utility model adopts the following technical scheme: the tent framework comprises a long framework, wherein the long framework is a telescopic rod, and the telescopic rod is provided with the telescopic rod positioning structure. By using the telescopic rod positioning structure, the long bone can be decomposed into independent part packages, and the hand-held desire of a user is met.

In conclusion, the beneficial effects of the utility model are as follows: the telescopic rod is formed by combining three independent parts, namely the outer pipe, the inner pipe and the positioning piece, by using a simple structure, and the axial and circumferential positioning is reliable.

Drawings

Fig. 1 is a schematic structural view of the positioning structure of the telescopic rod of the present invention.

Fig. 2 is an axial sectional view of fig. 1.

Fig. 3 is an exploded view of the components of fig. 1.

Fig. 4 is an exploded view of the component of fig. 1 from another perspective.

Fig. 5 is a schematic view showing the construction of the tent frame of the present invention.

Wherein: the positioning device comprises a first rod piece 1, a positioning clamping piece 11, a second rod piece 2, a positioning pin hole 21, a plug 22, a positioning piece 3, a positioning hole 31, a positioning button 32, a positioning pin 33, a button groove 35, a torsion spring 34, a torsion spring pin shaft 36, a positioning platform 37 and a pan head 9.

Detailed Description

The utility model is further described with reference to the following detailed description and accompanying drawings.

Example 1

The embodiment shown in fig. 1 is a positioning structure of a telescopic rod, which comprises a first rod 1, a second rod 2 and a positioning member 3.

As shown in fig. 2, 3 and 4, the first rod 1 and the second rod 2 of this embodiment are both hollow tubes, the cross-sectional shape of the hollow tube of the first rod 1 is preferably arc-shaped, and the second rod 2 and the hollow tube of the first rod 1 form a fit-and-plug relationship. Wherein the lower end of the second pin 2 is blocked by a stopper 22 to form a seal. The first rod piece 1 can be plugged with a first rod piece plugging hole in the positioning piece 3, the second rod piece 2 can be plugged with a second rod piece plugging hole in the positioning piece 3, and the first rod piece plugging hole and the second rod piece plugging hole are coaxial and are communicated. In the figure, the first rod member insertion hole is arranged at the lower part, and the second rod member insertion hole is arranged at the upper part.

On the side wall plane corresponding to the chord of the preferred arc section of the hollow tube of the first rod member 1, a positioning clamp 11 is arranged. The positioning clip 11 is made of elastic material and has a rectangular shape, and the upper and lower sides of the rectangular shape are parallel to the cross-sectional direction of the first rod member 1. The locating plate 11 is formed by cutting the left side, the right side and the lower side of the side wall of the first rod member 1, the upper side is fixedly connected with the first rod member 1, and the main body tilts along the radial direction of the first rod member 1 to form a downward and outward inclined plane. Correspondingly, the first rod inserting hole of the positioning part 3 is also in a major arc shape with the same size, a positioning hole 31 is arranged on the side wall plane corresponding to the chord, and the shape, the size and the position of the positioning hole 31 are matched and corresponding to the positioning clamping piece 11. When the first rod 1 is inserted into the first rod insertion hole from bottom to top, the positioning plate 11 will be bounced outwards in the positioning hole 31. Meanwhile, a positioning platform 37 is arranged at the inner side end of the first rod piece inserting hole, and the positioning platform 37 corresponds to the end part of the first rod piece 1 in an adaptive mode. When the first rod piece 1 is inserted into the first rod piece inserting hole from bottom to top to be positioned, the upper row is limited by the positioning platform 37, and the lower row is limited by the matching structure of the positioning piece 11 and the positioning hole 31. In this example, the ratio of the length of the upper side of the positioning card 11 to the circumference of the first rod member 1 is 1: 5; the ratio of the length of the left side and the right side of the positioning clamping piece 11 to the circumference of the first rod piece 1 is 1: 6.

A button groove 35 is formed in the positioning member 3, torsion spring pin shaft mounting holes are formed in two side walls of an object of the button groove 35, a torsion spring pin shaft 36 is installed between the two torsion spring pin shaft mounting holes, and a torsion spring 34 is installed on the torsion spring pin shaft 36. Two elastic end points of the torsion spring 34 abut against the groove bottom of the abutting button groove 35 and the bottom of the positioning button 32 respectively. The shape of the positioning button 32 is adapted to the shape of the button groove 35, and the maximum pressing depth is also matched to the depth of the button groove 35. A positioning pin 33 is mounted to a mating end of the positioning button 32. Correspondingly, a positioning pin hole 21 is arranged on the side wall of the second rod 2 in a penetrating way. Pressing and releasing the positioning button 32 moves the positioning pin 33 in a direction into and out of the positioning pin hole 21, and the second pin 2 is brought into engagement with or separated from the positioning member 3.

The telescopic rod positioning structure of this example, it is 3 independent parts to pack when leaving the factory, and the user need install by oneself when using. Firstly, the first rod piece 1 is inserted into the first rod piece inserting hole of the positioning piece 3, the first rod piece 1 is fixedly connected with the positioning piece 3, then the positioning button 32 is pressed, the second rod piece 2 is inserted into the second rod piece inserting hole of the positioning piece 3, the first rod piece 1 is further inserted, then the positioning button 32 is loosened at a proper position, the positioning pin 33 is inserted into the positioning pin hole 21, and the combination of the second rod piece 2 and the positioning piece 3 is completed. At this time, the first rod member 1, the second rod member 2 and the positioning member 3 are integrated into a whole. If the entire length needs to be compressed, the positioning button 32 is pressed to unlock the second rod 2 and the positioning member 3, and the second rod 2 is further pushed in the depth direction of the first rod 1. If the second rod 2 needs to be detached, the positioning button 32 is pressed to unlock the second rod 2 and the positioning member 3, and the second rod 2 is pulled out from the first rod 1.

Example 2

This embodiment is a tent framework, and the telescopic rod positioning structure as in embodiment 1 is applied.

The tent framework of the embodiment is provided with 4 long bones and a pan head 9, and each long bone is provided with 2 telescopic rod positioning structures for connecting 3 rod pieces. The rod piece in the middle is the second rod piece 2 for the lower telescopic rod positioning structure, and the first rod piece 1 for the upper telescopic rod positioning structure.

The same as in example 1.

Claims

1. A telescopic rod positioning structure comprises a first rod piece (1), a second rod piece (2) and a positioning piece (3), wherein the first rod piece (1) is a hollow tube, the second rod piece (2) is connected with the hollow tube of the first rod piece (1) in an adaptive manner, the first rod piece (1) is connected with a first rod piece inserting hole in the positioning piece (3) in an inserting manner, the second rod piece (2) is connected with a second rod piece inserting hole in the positioning piece (3) in an inserting manner, and the first rod piece inserting hole and the second rod piece inserting hole are coaxial and communicated, and the telescopic rod positioning structure is characterized in that a positioning hole (31) is formed in the inner side wall of the first rod piece inserting hole in the positioning piece (3), a positioning clamping piece (11) is arranged on the side wall of the first rod piece (1), the positioning clamping piece (11) is an elastic sheet, and the shape of the positioning piece is matched with the shape of the positioning hole (31); one end of the positioning clamping piece (11) close to the first rod piece is fixed on the side wall of the first rod piece (1), and the main body tilts along the radial direction of the first rod piece (1); and a positioning platform (37) which is in matched lap joint with the end part of the first rod piece (1) is arranged at the inner side end of the first rod piece inserting hole.

2. A telescopic rod positioning structure according to claim 1, characterized in that the positioning hole (31) has a rectangular shape in its developed cross section, one pair of sides of the rectangular shape being parallel to the cross section of the first rod member (1) and the other pair of sides being parallel to the axial direction of the first rod member (1).

3. The telescopic rod positioning structure as claimed in claim 2, wherein the ratio of the length of the connecting edge of the positioning clamping piece (11) and the side wall of the first rod piece (1) to the circumference of the first rod piece (1) is 1: 4-1: 6; the ratio of the length of the side edge of the positioning clamping piece (11) to the circumference of the first rod piece (1) is 1: 4-1: 6.

4. A telescopic rod positioning structure according to claim 1, 2 or 3, characterized in that the positioning clip (11) is a part of the side wall of the first rod member (1) which is tilted.

5. A positioning structure of a telescopic rod according to claim 1, 2 or 3, wherein the positioning member (3) comprises a positioning pin (33), a positioning pin hole (21) is formed on the side wall of the second rod member (2), and the positioning pin (33) and the positioning pin hole (21) form an adaptive inserting connection.

6. A positioning structure of a telescopic rod according to claim 5, characterized in that the positioning member (3) comprises a positioning button (32) and an elastic member, and the positioning pin (33) is fixed at the mating end of the positioning button (32) along the axial direction of the positioning pin hole (21).

7. The positioning structure of the telescopic rod according to claim 6, wherein the positioning member (3) further comprises a button groove (35), two side walls of the button groove (35) are provided with torsion spring pin shaft mounting holes, a torsion spring pin shaft (36) is sleeved in the torsion spring pin shaft mounting holes, the elastic member is a torsion spring (34), and the torsion spring (34) is sleeved on the torsion spring pin shaft (36).

8. A telescopic rod positioning structure according to claim 7, characterized in that the cross-sectional shape and depth of the button slot (35) match the shape and pressing depth of the positioning button (32).

9. A telescopic rod positioning structure according to claim 1, 2 or 3, characterized in that the cross-sectional shape of the hollow tube of the first rod member (1) and the cross-sectional shape of the second rod member (2) are non-circular.

10. A tent framework comprises a long bone which is a telescopic rod, and is characterized in that the telescopic rod is provided with a telescopic rod positioning structure according to claim 1.