CN212055402U

CN212055402U - Locking structure of telescopic pipe

Info

Publication number: CN212055402U
Application number: CN202020742151.5U
Authority: CN
Inventors: 王博加; 杜宇翔; 杜占峰
Original assignee: Tianjin Gu'ante Fastener Co ltd
Current assignee: Tianjin Gu'ante Fastener Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-12-01
Anticipated expiration: 2030-05-08

Abstract

The utility model belongs to the technical field of telescopic pipes, in particular to a locking structure of a telescopic pipe, which comprises an outer pipe and an inner pipe, wherein the inner pipe is slidably arranged inside the outer pipe, the inner wall of the outer pipe is fixedly connected with two mounting plates which are symmetrically distributed, the outer side wall of the inner pipe is provided with two grooves which are symmetrically distributed, the two mounting plates are respectively positioned inside the two grooves, and the inner side wall of each mounting plate is fixedly connected with a spring sheet; the utility model discloses be provided with two mounting panels that have the shell fragment on the inside wall of outer tube, the shell fragment other end is fixed with the pinion rack, and inside two recesses that two mounting panels, shell fragment and pinion rack lie in respectively on the outer wall of inner tube, meshing tooth intermeshing on pinion rack and the recess inner wall, inwards press down the connecting plate of installing on the pinion rack during use and can make the pinion rack inwards compress the shell fragment, and the shell fragment shrink makes pinion rack and meshing tooth separate, and the user reciprocates the position that the inner tube can adjust the inner tube this moment.

Description

Locking structure of telescopic pipe

Technical Field

The utility model belongs to the technical field of flexible pipe, concretely relates to locking structure of flexible pipe.

Background

The flexible pipe is formed by the combination of two inner tubes and outer tubes that the activity of each other cup joints together, and flexible pipe can satisfy different user demands owing to can extend when using, can contract when the transportation and reduce the volume, conveniently transports, therefore flexible pipe is extensively used as the bracing piece from photographic goods such as rapping bar, tripod.

The locking structure can be generally arranged between the inner tube and the outer tube of the telescopic tube, the inner tube and the outer tube are generally locked by the spring lock head and the lock hole or the locking knob which are matched with each other at present, but the locking range of the lock head and the lock hole is smaller, the adjusting range of the telescopic tube is reduced, the locking knob is required to be frequently rotated when the locking knob is used, and the operation is more complicated.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a locking structure of flexible pipe has the characteristics that have improved locking effect and suitability.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a locking structure of flexible pipe, includes outer tube and inner tube, inner tube slidable mounting is in inside the outer tube, two mounting panels that are the symmetric distribution of outer tube inner wall fixedly connected with, two recesses that are the symmetric distribution are seted up to the inner tube lateral wall, two the mounting panel is located two respectively inside the recess, mounting panel inside wall fixedly connected with shell fragment, shell fragment other end fixedly connected with pinion rack, the recess is close to a plurality of meshing tooth of a lateral wall fixedly connected with of pinion rack, the pinion rack with meshing tooth intermeshing, fixedly connected with connecting plate on the pinion rack, the connecting plate runs through the outer tube extends to the outer tube is outside.

Preferably, the inner wall of the outer tube is provided with two limiting grooves which are symmetrically distributed, and the two limiting grooves are respectively positioned on the upper side and the lower side of the inner wall of the outer tube.

Preferably, the outer wall of the inner pipe is fixedly connected with two limiting blocks which are symmetrically distributed, and the two limiting blocks are respectively arranged in the two limiting grooves in a sliding mode.

Preferably, two through grooves which are symmetrically distributed are formed in the outer pipe, and the two connecting plates are respectively located in the two through grooves.

Preferably, the length of the connecting plate is greater than that of the inner wall of the through groove.

Preferably, the upper end and the lower end of the groove are both provided with openings.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses be provided with two mounting panels that have the shell fragment on the inside wall of outer tube, the shell fragment other end is fixed with the pinion rack, two mounting panels, shell fragment and pinion rack are located two recesses on the inner tube outer wall respectively inside, the meshing tooth intermeshing on pinion rack and the recess inner wall, press the connecting plate of installing on the pinion rack inwards during use can make the pinion rack inwards compress the shell fragment, the shell fragment shrink makes pinion rack and meshing tooth separate, the user moves the inner tube up and down at this moment and can adjust the position of inner tube, loosen the connecting plate after adjusting, the shell fragment rebounds and makes the pinion rack reset at this moment, make the pinion rack mesh with the meshing tooth again mutually, and then fix the position of inner tube, easy operation, conveniently carry out position control and fixed to the inner tube, can effectively lock inner tube and outer tube, keep the inner tube at fixed position, the effect of locking has been improved, there are a plurality of meshing, the meshing range of pinion rack and meshing tooth has been increased, and then has increased the control range of inner tube, can adjust the inner tube to different positions during the use to lock the inner tube of different positions, improved the suitability.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the side of the present invention;

fig. 4 is a schematic side view of the present invention.

In the figure: 1. an outer tube; 11. mounting a plate; 111. a spring plate; 12. a through groove; 13. a limiting groove; 2. an inner tube; 21. a groove; 211. meshing teeth; 22. a limiting block; 3. a toothed plate; 31. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a locking structure of flexible pipe, including outer tube 1 and

inner tube

2, 2 slidable mounting of inner tube are inside 1 of outer tube, 1 inner wall fixedly connected with of outer tube two mounting panels 11 that are the symmetric distribution, two recess 21 that are the symmetric distribution are seted up to 2 lateral walls of inner tube, two mounting panels 11 are located inside two recess 21 respectively, 11 inside wall fixedly connected with shell fragment 111 of mounting panel, shell fragment 111 other end fixedly connected with pinion rack 3, recess 21 is close to a lateral wall fixedly connected with a plurality of meshing tooth 211 of pinion rack 3, pinion rack 3 and meshing tooth 211 intermeshing, fixedly connected with connecting plate 31 on pinion rack 3, connecting plate 31 runs through outer tube 1 and extends to 1 outside of outer tube.

In this embodiment: the inner tube 2 and the outer tube 1 are combined to form a telescopic tube, the inner tube 2 is slidably mounted inside the outer tube 1, the inner tube 2 can move up and down inside the outer tube 1 when in use, so that the position of the inner tube 2 can be adjusted, the use is convenient, the inner wall of the outer tube 1 is provided with two mounting plates 11 with elastic sheets 111, a toothed plate 3 is fixed at the other end of the elastic sheets 111, the outer side wall of the inner tube 2 is provided with two grooves 21, the two mounting plates 11, the elastic sheets 111 and the toothed plate 3 are respectively positioned inside the two grooves 21, the toothed plate 3 and a plurality of meshing teeth 211 on the inner wall of the grooves 21 are meshed with each other, when the position of the inner tube 2 is adjusted by moving up and down the inner tube 2, a connecting plate 31 mounted on the toothed plate 3 is pressed inwards when in use, the connecting plate 31 outwards penetrates through the outer tube 1, the elastic sheet 111 contracts to drive the toothed plate 3 to be separated from the meshing teeth 211 on the groove 21, at the moment, a user can move the inner tube 2 up and down to adjust the position of the inner tube 2, after the position of the inner tube 2 is adjusted, the user loosens the connecting plate 31, at the moment, the elastic sheet 111 rebounds, the toothed plate 3 resets after rebounding, the toothed plate 3 is enabled to be meshed with the meshing teeth 211 on the inner wall of the groove 21 again, through the mutual matching between the toothed plate 3 and the meshing teeth 211, the position of the inner tube 2 can be fixed, the operation is simple, the inner tube 2 is conveniently adjusted and fixed in position, the inner tube 2 and the outer tube 1 can be effectively locked, the inner tube 2 is kept at a fixed position, the locking effect is improved, the number of the meshing teeth 211 on the inner wall of the groove 21 is multiple, the meshing range of the toothed plate 3 and the meshing teeth 211 is enlarged, when in use, the inner tube 2 can be adjusted to different positions, and the inner tubes 2 at different positions are locked, so that the applicability is improved.

In fig. 1 and 4: the inner wall of the outer tube 1 is provided with two limiting grooves 13 which are symmetrically distributed, the two limiting grooves 13 are respectively positioned at the upper side and the lower side of the inner wall of the outer tube 1, the outer wall of the inner tube 2 is fixedly connected with two limiting blocks 22 which are symmetrically distributed, and the two limiting blocks 22 are respectively arranged in the two limiting grooves 13 in a sliding manner; two stopper 22 on the 2 outer walls of inner tube are located two spacing grooves 13 of 1 inner wall of outer tube respectively inside, inner tube 2 is when 1 inside removal of outer tube, stopper 22 along with it removes in corresponding spacing groove 13 is inside, spacing groove 13 can play the effect of direction to stopper 22, can make stopper 22 be linear motion in spacing groove 13 is inside, and then make inner tube 2 keep linear motion's state in 1 inside of outer tube, stability when having improved inner tube 2 and removing.

In fig. 1 and 2: two through grooves 12 which are symmetrically distributed are formed in the outer pipe 1, and the two connecting plates 31 are respectively positioned in the two through grooves 12; inside connecting plate 31 was located the logical groove 12 of outer tube 1 inside, logical groove 12 can lead and the restriction to the removal route of connecting plate 31, and connecting plate 31 removes in logical groove 12 inside all the time during the use, has improved the stability when connecting plate 31 removes, and then has improved the stability when pinion rack 3 removes.

In fig. 2: the length of the connecting plate 31 is greater than that of the inner wall of the through groove 12; the length of connecting plate 31 is greater than the length that leads to groove 12 inner wall, and consequently the one end of connecting plate 31 can extend to leading to groove 12 outside, and the user presses the one end that connecting plate 31 extends to leading to groove 12 outside during the use and can make connecting plate 31 drive pinion rack 3 compression shell fragment 111, convenient user's application of force during the use.

In fig. 3: the upper end and the lower end of the groove 21 are provided with openings; both ends all have the opening about recess 21, consequently when upwards pulling inner tube 2, inner tube 2 is inside upward movement at outer tube 1, and mounting panel 11 and pinion rack 3 on the outer tube 1 inner wall can break away from recess 21 inside from the opening of recess 21 lower extreme, conveniently take out inner tube 2 from outer tube 1 inside.

The utility model discloses a theory of operation and use flow: when the position of inner tube 2 is adjusted to needs, inwards press the connecting plate 31 of installing on pinion rack 3 and make pinion rack 3 inwards compress shell fragment 111, shell fragment 111 shrink makes pinion rack 3 and the meshing tooth 211 on the recess 21 inner wall separate, the user reciprocates the position that inner tube 2 adjusted inner tube 2 this moment, loosen connecting plate 31 after adjusting, this moment shell fragment 111 kick-backs and makes pinion rack 3 mesh with meshing tooth 211 again together, with the rigidity of inner tube 2, and the operation is simple, conveniently carry out position control and fixed to inner tube 2, can effectually lock inner tube 2 and outer tube 1, keep inner tube 2 at fixed position, the effect of locking has been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a locking structure of flexible pipe, includes outer tube (1) and inner tube (2), inner tube (2) slidable mounting is in inside outer tube (1), its characterized in that: outer tube (1) inner wall fixedly connected with two mounting panel (11) that are the symmetric distribution, two recess (21) that are the symmetric distribution are seted up to inner tube (2) lateral wall, two mounting panel (11) are located two respectively inside recess (21), mounting panel (11) inside wall fixedly connected with shell fragment (111), shell fragment (111) other end fixedly connected with pinion rack (3), recess (21) are close to a plurality of meshing tooth (211) of a lateral wall fixedly connected with of pinion rack (3), pinion rack (3) with meshing tooth (211) intermeshing, fixedly connected with connecting plate (31) on pinion rack (3), connecting plate (31) run through outer tube (1) extend to outer tube (1) is outside.

2. A locking structure of a telescopic tube according to claim 1, characterized in that: two limiting grooves (13) which are symmetrically distributed are formed in the inner wall of the outer pipe (1), and the two limiting grooves (13) are respectively located on the upper side and the lower side of the inner wall of the outer pipe (1).

3. A locking structure of a telescopic tube according to claim 2, characterized in that: inner tube (2) outer wall fixedly connected with is two stopper (22) that are the symmetric distribution, two stopper (22) slidable mounting respectively is two inside spacing groove (13).

4. A locking structure of a telescopic tube according to claim 1, characterized in that: two through grooves (12) which are symmetrically distributed are formed in the outer pipe (1), and the two connecting plates (31) are respectively located in the two through grooves (12).

5. The locking structure of a telescopic tube according to claim 4, characterized in that: the length of the connecting plate (31) is greater than that of the inner wall of the through groove (12).

6. A locking structure of a telescopic tube according to claim 1, characterized in that: the upper end and the lower end of the groove (21) are provided with openings.