CN210565549U - Telescopic tube lock catch structure - Google Patents

Abstract

The utility model relates to a connect pipe fitting technical field, in particular to flexible pipe hasp structure, include: an inner tube and a latch assembly. The inner tube is equipped with the buckle groove, the hasp subassembly cover is located the inner tube just connects in the outer tube, the hasp subassembly can be followed the length direction of inner tube for the inner tube removes, in order to drive the outer tube is relative the inner tube removes, the hasp subassembly includes external member and fastener, the external member cover is located the inner tube, the one end of fastener articulate in the external member, the fastener can for the external member rotates, the other end of fastener can be fixed in the buckle groove, so that the hasp subassembly with the inner tube locking, the hasp subassembly can not be right effort such as clamp force, frictional force are applyed to the inner tube surface, consequently can avoid the emergence deformation of inner tube.

Description

Telescopic tube lock catch structure

[ technical field ] A method for producing a semiconductor device

The utility model relates to a connect pipe fitting technical field, in particular to flexible pipe hasp structure.

[ background of the invention ]

The telescopic pipe is formed by mutually sleeving and combining a plurality of pipe fittings and has a telescopic function. At present, in a common circular telescopic pipe, a plurality of pipe fittings can be fixed in a screwing or clamping mode, and a flat pipe telescopic pipe can be fixed only in a clamping mode. However, the telescopic tube body is easily deformed at the clamping position by the clamping manner, so that the risk of separating the multi-section pipe fitting is caused, and the deformation is particularly serious on the tube body with low strength, such as an aluminum alloy telescopic flat tube and the like.

[ Utility model ] content

In order to solve the technical problem, the embodiment of the utility model provides a flexible pipe hasp structure can connect the pipe fitting and avoid the pipe fitting to produce the deformation.

The embodiment of the utility model provides a solve its technical problem and adopt following technical scheme:

provided is a telescopic tube locking structure, comprising:

the inner pipe is provided with a clamping groove;

the locking and buckling assembly comprises a sleeve piece and a fastener, the sleeve piece is sleeved outside the inner pipe and can move relative to the inner pipe along the length direction of the inner pipe, the sleeve piece is used for connecting the outer pipe, one end of the fastener is hinged to the sleeve piece, and one end of the fastener can rotate between a first position and a second position relative to the sleeve piece;

when the fastener rotates to the second position relative to the sleeve, the other end of the fastener can be buckled with the buckling groove, so that the locking assembly is locked with the inner tube.

Optionally, the kit includes a base, the base is sleeved on the inner tube, the base is provided with a through groove, and the through groove communicates the inside and the outside of the base;

when the fastener rotates to the second position relative to the sleeve, the through groove is aligned with the buckling groove, and the other end of the fastener is buckled with the buckling groove through the through groove.

Optionally, the kit further comprises hinge projections, two of the hinge projections being opposite;

one end of the fastener is coaxially hinged between the two hinge projections.

Optionally, the base is further provided with an arc-shaped groove, the arc-shaped groove is arranged around the base, and the through groove is communicated with the arc-shaped groove;

when one end of the fastener rotates to the second position relative to the sleeve, the fastener is contained in the arc-shaped groove.

Optionally, the kit further comprises a resilient portion at the intersection of the arcuate slot of the resilient portion and the inner cavity of the base portion;

the fastener comprises a hinged part which is hinged to the base part, and the position of the hinged part corresponds to that of the elastic part;

when the fastener rotates to the first position relative to the sleeve, the hinge part is separated from the elastic part;

when the fastener rotates to the second position relative to the sleeve, the hinge portion presses the elastic portion, so that the elastic portion deforms towards the inside of the sleeve and abuts against the inner tube.

Optionally, the kit further comprises a stop located at an intersection of the arcuate slot and the inner cavity of the base;

the stopping part is arranged on one side of the arc-shaped groove facing the through groove, and two ends of the stopping part are connected with the groove wall of the arc-shaped groove;

the elastic part is arranged on the other side of the arc-shaped groove, and one side of the elastic part is connected with the stopping part.

Optionally, the fastener further comprises an annular portion and a clamping block, and the hinge portion and the clamping block are respectively arranged at two opposite ends of the annular portion;

when the fastener rotates to the second position relative to the sleeve, the annular portion is contained in the arc-shaped groove and abuts against the stopping portion, and the clamping block penetrates through the through groove and is fixed in the clamping groove.

Optionally, the telescopic tube lock catch structure further comprises a support member and a sliding guide member, wherein the support member is connected with one end of the sliding guide member;

the supporting piece is accommodated in the inner pipe and is abutted against the inner wall of the inner pipe;

one end of the sliding guide piece facing the supporting piece is contained in the inner tube, and the other end of the sliding guide piece is contained in the outer tube.

Optionally, the support member includes a positioning portion and an extending portion, and the extending portion is disposed at one end of the positioning portion facing the sliding guide piece;

the positioning part is provided with a positioning clamping groove, and the positioning clamping groove corresponds to the buckle groove in position;

the inner tube is including locating the location card of buckle inslot, the both sides of location card are equallyd divide respectively with the buckle groove is connected, the buckle groove is fixed in the positioning channel groove.

Optionally, the sliding guide piece includes a connecting portion, a limiting portion and a sliding guide portion, and two ends of the limiting portion are respectively connected to the connecting portion and the sliding guide portion;

the connecting part is accommodated in the inner pipe and is connected with the extending part;

one end of the limiting part facing the connecting part is abutted against the inner pipe;

the sliding guide part comprises a sliding guide support and two pulleys, the sliding guide support is fixed on the limiting part, the two pulleys are rotatably connected to the sliding guide support, and the two pulleys are respectively abutted to the inner wall of the outer tube.

Compared with the prior art, the embodiment of the utility model provides an in be equipped with the buckle groove on the inner tube, the hasp subassembly cover is located the inner tube just is connected in the outer tube, the hasp subassembly can be followed the length direction of inner tube for the inner tube removes, in order to drive the outer tube is relative the inner tube removes, the hasp subassembly includes external member and fastener, the external member cover is located the inner tube, the one end of fastener articulate in the external member, the fastener can for the external member rotates, the other end of fastener can be fixed in the buckle groove, so that the hasp subassembly with the inner tube locking, the hasp subassembly can not be right the effort such as clamp force, frictional force are applyed to the inner tube surface, consequently can avoid the emergence deformation of inner tube.

[ description of the drawings ]

One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.

Fig. 1 is an exploded view of a lock structure of a telescopic tube according to an embodiment of the present invention;

FIG. 2 is a schematic view of a support assembly of the locking structure of the telescopic tube shown in FIG. 1;

FIG. 3 is a schematic structural view of a support member of the support assembly shown in FIG. 2;

FIG. 4 is a schematic structural view of a slider guide of the support assembly shown in FIG. 2;

FIG. 5 is a schematic view of the assembly of the inner tube and the support assembly of the telescoping tube lock-catch arrangement of FIG. 1;

FIG. 6 is a schematic structural view of a latch assembly of the locking structure of the extension tube of FIG. 1;

FIG. 7 is a schematic structural view of a kit of the latching assembly shown in FIG. 6;

FIG. 8 is a schematic view of a fastener of the locking assembly shown in FIG. 6;

FIG. 9 is a schematic structural view of the locking structure of the telescopic tube shown in FIG. 1;

FIG. 10 is a schematic view of another state of the telescopic tube locking structure shown in FIG. 9.

[ detailed description ] embodiments

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, fig. 1 is an exploded view of a telescopic tube locking structure 100 according to an embodiment of the present invention. The telescopic tube locking structure 100 comprises: the inner tube 10, the supporting component 20, the locking component 30, the inner tube 10 is located in the supporting component 20, the locking component 30 is located in the inner tube 10.

The inner tube 10 is a flat aluminum alloy tube, the cross section of the inner tube 10 is a rounded rectangle, and the inner portion of the inner tube 10 is hollow. The inner tube 10 one end is equipped with buckle groove 11, buckle groove 11 is located the surface of inner tube 10, buckle groove 11 with the inner chamber intercommunication of inner tube 10. The buckle slot 11 is provided with a positioning card 12, and the positioning card 12 is sheet-shaped. The positioning clamping piece 12 comprises two arc transition surfaces 120 and two abutting surfaces 122, the two arc transition surfaces 120 are respectively connected with two sides of the clamping groove 11, the two arc transition surfaces 12 are respectively arranged on two opposite sides of the abutting surfaces 122, and the abutting surfaces 122 are recessed towards the inner cavity of the inner tube 10 relative to the two arc transition surfaces 120.

The locking structure 100 further includes an outer tube (not shown) sleeved on the inner tube 10, the outer tube is also a hollow aluminum alloy tube, the shape of the outer tube corresponds to the shape of the inner tube, and the outer tube can move relative to the inner tube 10 along the length direction of the inner tube 10.

Referring to fig. 2, fig. 2 is a schematic structural diagram of the support assembly 20. The support assembly 20 includes a support member 21 and a sliding guide member 22, the support member 21 is received in the inner cavity of the inner tube 10, one end of the sliding guide member 22 is connected to the support member 21 and received in the inner tube 10, the other end of the sliding guide member 22 is exposed to the inner tube 10 and received in the outer tube, the support member 21 is used for increasing the connection strength between the inner tube 10 and the outer tube, and the sliding guide member 22 is used for guiding the sliding of the outer tube. Preferably, the support member 20 is made of plastic.

Referring to fig. 3, fig. 3 is a schematic structural view of the supporting member 21. The supporting piece 21 is accommodated in the inner cavity of the inner tube 10 and used for enhancing the strength of the port of the inner tube 10. The supporting member 21 includes a positioning portion 210 and an extending portion 212, the positioning portion 210 is connected with the extending portion 212, the positioning portion 210 is used for being connected with the inner tube 10 for positioning, and the extending portion 212 is used for being connected with the slide guide member 22.

The inner tube 10 is sleeved on the positioning portion 210, and the surface of the positioning portion 210 is attached to the inner wall of the inner tube 10, so that the connection strength between the supporting member 21 and the inner tube 10 can be increased, the positioning portion 210 can only move relative to the inner tube 11 along the length direction of the inner tube 10, and the positioning portion 210 is prevented from moving in other directions relative to the inner tube 10. The positioning portion 210 is provided with a positioning clamping groove 2100, the positioning clamping groove 2100 is recessed from the surface of the positioning portion 210, and the position of the positioning clamping groove 2100 corresponds to the position of the buckling groove 11. Two ends of the positioning slot 2100 are respectively provided with positioning slot walls 2102, and the two positioning slot walls 2102 are distributed along the length direction of the positioning portion 210. The extension part 212 protrudes from one end of the positioning part 210 in a length direction of the positioning part 210, and a cross-sectional area of the extension part 212 is smaller than that of the positioning part 210.

Referring to fig. 4, fig. 4 is a schematic structural view of the slide guide member 22. The sliding guide member 22 includes a connecting portion 220, a limiting portion 222 and a sliding guide portion, the sliding guide portion includes a sliding guide bracket 224 and a pulley 226, the limiting portion 222 is connected to the connecting portion 220 and the sliding guide bracket 224, and the pulley 226 is rotatably mounted on the sliding guide bracket 224. The connecting portion 220 is received in the inner tube 10, and one end of the connecting portion 220 away from the limiting portion 222 is connected to the supporting member 21.

The connecting portion 220 is contained in the inner cavity of the inner tube 10, the inner tube 10 is sleeved on the connecting portion 220, and the outer surface of the connecting portion 220 is attached to the inner wall of the inner tube 10. One end of the connecting portion 220, which faces away from the limiting portion 222, is provided with a connecting hole 2200, and the connecting hole 2200 extends from the end surface of the connecting portion 220 along the length direction of the connecting portion 220. The shape of the connecting hole 2200 is adapted to the shape of the extending portion 212, the extending portion 212 is fixed in the connecting hole 2200, and one end of the connecting portion 220 away from the limiting portion 222 abuts against the positioning portion 210, so that the supporting member 21 is connected with the slide guide member 22. Preferably, the outer surface of the connecting portion 220 is attached to the inner wall of the inner tube 10, which can further increase the connecting strength between the supporting member 20 and the inner tube 10.

It is understood that the positions of the extension portion 212 and the connection hole 2200 may be interchanged, for example, a connection hole is provided at an end of the positioning portion 210 facing the slide guide 22, an extension portion is provided at an end of the connecting portion 220 facing the supporting member 21, and the extension portion of the connecting portion 220 is fixed to the connection hole of the positioning portion 210, so that the supporting member 21 is connected to the slide guide 22.

It can be understood that the connection manner of the supporting member 21 and the sliding guide member 22 may be set according to actual requirements, for example, the supporting member 21 and the sliding guide member 22 are integrally formed, or the supporting member 21 and the sliding guide member 22 are connected by other connection manners such as adhesion, welding, screw connection, etc., and only the supporting member 21 and the sliding guide member 22 need to be fixed.

The limiting portion 222 is disposed at an end of the connecting portion 220 away from the supporting member 21, a cross-sectional area of the limiting portion 222 is larger than a cross-sectional area of the inner tube 10, and an end of the limiting portion 222 facing the connecting portion 220 abuts against the inner tube 10, so that the sliding guide member 22 and the inner tube 10 are positioned.

The cross section of the sliding guide bracket 224 is H-shaped, and the sliding guide bracket 224 extends from the limiting portion 222 in a direction away from the connecting portion 220. Lead smooth support 224 and include two diaphragm 2240, two diaphragm 2240 equally divide do not follow spacing 222 orientation deviates from the direction of connecting portion 220 extends, two diaphragm 2240 parallel arrangement each other. Two be equipped with a vertical plate between the diaphragm 2240, two are connected respectively at the both ends of vertical plate diaphragm 2240, vertical plate perpendicular to two respectively the diaphragm 2240, vertical plate is used for strengthening two diaphragm 2240's joint strength.

The number of the pulleys 226 is two, and the two pulleys 226 are respectively arranged on two opposite sides of the vertical plate. Two the pulley 226 all is located two between the diaphragm 2240, the pulley 226 passes through the articulated shaft and connects respectively in two the diaphragm 2240, the pulley 226 can wind the axis of articulated shaft for lead the smooth support 224 and rotate, the axis perpendicular to diaphragm 2240 of articulated shaft.

When the outer tube is sleeved on the inner tube 10, the limiting portion 222, the sliding guide support 224 and the pulley 226 are all accommodated in the outer tube, the two pulleys 226 are respectively abutted to the inner wall of the outer tube, and when the outer tube moves relative to the inner tube 10 along the length direction of the inner tube 10, the pulley 226 can rotate around the hinge shaft, so that the outer tube can slide relative to the inner tube 10 more smoothly.

Referring to fig. 2 to 5, fig. 5 is a schematic view illustrating an assembly of the inner tube 10 and the support assembly 20. The supporting member 21 is completely accommodated in the inner tube 10, the positioning clips 12 are disposed in the positioning clip grooves 2100, and two ends of the positioning clips 12 respectively abut against the two positioning groove walls 2102, so that the supporting member 21 is fixed with the inner tube 10. One end of the sliding guide member 22 facing the supporting member 21 is received in the inner tube 10, the outer surface of the connecting portion 220 is attached to the inner wall of the inner tube 10, and the limiting portion 222 abuts against the end surface of the inner tube 10, so that the supporting assembly 20 is further stably connected with the inner tube 10.

Referring to fig. 6, fig. 6 is a schematic structural view of the locking assembly 30. The locking assembly 30 includes a sleeve 31, a fastener 32 and a hinge rod 33, the sleeve 31 is sleeved outside the inner tube 10, the sleeve 31 is movable relative to the inner tube 10 along the length direction of the inner tube 10, one end of the fastener 32 is hinged to the sleeve 31 through the hinge rod 33, and the other end of the fastener 32 is rotatable relative to the sleeve 31 between a first position and a second position around the hinge rod 33. When the fastener 32 is located at the first position, the fastener is not connected to the inner tube 10, and when the fastener 32 rotates to the second position relative to the sleeve 31, the other end of the fastener 32 is locked and fixed in the fastening groove 11.

Referring to fig. 6 and 7, fig. 7 is a schematic structural diagram of the sleeve 31. The kit 31 comprises a base 310 and a connecting tube 312, wherein the base 310 is connected with the connecting tube 314, and both the base 310 and the connecting tube 314 are sleeved on the inner tube 10.

The base portion 310 is provided with a through groove 3100 and an arc-shaped groove 3102, and the through groove 3100 is connected with the arc-shaped groove 3102. The through groove 3100 communicates the inner cavity of the base 310 with the outside, and the position of the through groove 3100 corresponds to the position of the fastening groove 11. The arc-shaped groove 3102 includes two groove walls distributed along the length of the base 210, and the two groove walls are respectively disposed at two opposite ends of the arc-shaped groove 2102.

The base portion 310 is provided with two protruding hinge protrusions 314, the hinge protrusions 314 are disposed on one side of the arc-shaped groove 3102 away from the through groove 3100, the two hinge protrusions 314 are distributed along the length direction of the base portion 310, and the two hinge protrusions 314 are respectively disposed at two opposite ends of the arc-shaped groove 3102. The two hinge protrusions 314 are respectively provided with a through hole 3140, the axes of the two through holes 3140 are overlapped, and the axial direction of the two through holes 3140 is the same as the length direction of the base part 310.

The base 310 is further provided with a stopping portion 316 and an elastic portion 318, and both the stopping portion 316 and the elastic portion 318 are disposed at the intersection of the arc-shaped groove 3102 and the inner cavity of the base 310. The stopping portions 316 are arranged on one side of the arc-shaped groove 3102 facing the through groove 3100, and the stopping portions 316 are respectively connected with the two groove walls of the arc-shaped groove 3102. An elastic part 318 is arranged on one side of the stopping part 316 departing from the through groove 3100, one side of the elastic part 318 is connected to the stopping part 316, a gap is arranged between one side of the elastic part 318 departing from the stopping part 316 and the base part 310, and gaps are arranged between two ends of the elastic part 318 and two groove walls of the arc-shaped groove 3102.

The cross-sectional area of the connecting tube 312 is smaller than that of the base 310, the connecting tube 314 is used for connecting an outer tube, the outer tube is sleeved on the connecting tube 314, and the outer tube abuts against the end face of the base 310 facing the connecting tube 312, so that the outer tube is connected and positioned with the sleeve 31. The cross-sectional area of the connecting tube 312 is not larger than the cross-sectional area of the position-limiting portion 222, and when the end of the connecting tube 312 away from the base portion 310 abuts against the position-limiting portion 222, the sleeve 31 is prevented from sliding relative to the inner tube 10 in the direction of the sliding guide bracket 224.

Referring to fig. 8, fig. 8 is a schematic structural view of the fastener 32. The fastener 32 includes a hinge portion 320, an annular portion 322 and a latch 324, the hinge portion 320 and the latch 324 are respectively connected to two ends of the annular portion 322, the hinge portion 320 is hinged to the sleeve 31, and the latch 324 is used for being fastened to the sleeve 31.

The hinge portion 320 is a cylindrical body, and a side surface of the hinge portion 320 is connected to one end of the annular portion 322. The hinge portion 320 is provided with a hinge hole 3200, the hinge portion 320 is arranged between the two hinge protrusions 314, the axis of the hinge hole 3200 coincides with the axis of the through hole 3140, and the hinge rod 33 passes through the through hole 3140 and the hinge hole 3200, so that the fastener 32 is hinged to the sleeve 31. Preferably, the hinge hole 3200 of the hinge portion 320 is eccentrically arranged, such that the hinge portion 320 forms a cam structure, when the fastener 32 is rotated to the first position relative to the sleeve 31, the hinge portion 320 is separated from the elastic portion 318, and when the fastener 32 is rotated to the second position relative to the sleeve 31, the hinge portion 320 presses the elastic portion 318, such that the elastic portion 318 is deformed toward the inside of the sleeve 31 and abuts against the inner tube 10.

The annular portion 322 is semi-annular, and the shape of the annular portion 322 is matched with the shape of the arc-shaped groove 3102. When the fastener 32 is rotated to the second position relative to the sleeve 31, the ring portion 322 is received in the arc-shaped slot 3102, and the ring portion 322 abuts against the stop portion 316.

The middle of the clamping block 324 is connected to one end of the annular portion 322 away from the hinge portion 320, one side of the clamping block 324 facing the hinge portion 320 is provided with an arc surface 3240, the clamping block 324 includes two abutting end surfaces 3242, and the two abutting end surfaces 3242 are respectively arranged at two opposite ends of the clamping block 324. The latch block 324 can be fastened in the fastening groove 11, so that the locking hole assembly 30 is fixed with the inner tube 10. When the locking assembly 30 and the inner tube 10 need to be locked, the latch 324 rotates from the first position to the second position, the circular arc surface 3240 passes through the through groove 3100, the circular arc surface 3240 slides along the arc transition surface 120 to abut against the abutting surface 122, and the two abutting end surfaces 3242 abut against two ends of the latch groove 11 respectively, so that the latch 324 is fixed to the latch groove 11.

Referring to fig. 9 and 10 together, fig. 9 and 10 are schematic structural views of the telescopic tube locking structure 100 in different states, respectively. As shown in fig. 9, the fastener 32 is located at the first position, the locking assembly 30 is unlocked from the inner tube 10, the fastener 32 is not connected to the inner tube 10, and the outer tube and the locking assembly 30 can move relative to the inner tube 10 along the length direction of the inner tube 10, so as to extend and retract between the outer tube and the inner tube 10. As shown in fig. 10, the fastener 32 is located at the second position, the locking assembly 30 is locked with the inner tube 10, the annular portion 322 is received in the arc-shaped groove 3102, and the latch 324 passes through the through groove 3100 and is fixed to the latch groove 11, so that the locking assembly 30 and the outer tube are fixed relative to the inner tube 10.

Compared with the prior art, in the embodiment, the inner tube 10 is provided with the fastening groove 11, the sleeve member 31 is sleeved on the inner tube 10 and connected to the outer tube, the sleeve member 31 can drive the outer tube to move relative to the inner tube 10 along the length direction of the inner tube 10, the fastener 32 is hinged to the sleeve member 31, the fastener 32 can rotate relative to the sleeve member 31, when the fastening block 324 is fixed in the fastening groove 11, the locking assembly 30 is locked with the inner tube 10, wherein the locking assembly 30 does not apply acting forces such as clamping force, friction force and the like to the surface of the inner tube 10, and therefore deformation of the inner tube 10 can be avoided.

Secondly, the inner cavity of the inner tube 10 is provided with the supporting member 21, the supporting member 21 is attached to the inner wall of the inner tube 10, and the position of the supporting member 21 corresponds to the locking position of the inner tube 10 and the locking assembly 30, so as to enhance the strength of the inner tube 10 at the connecting position with the locking assembly, and further avoid the deformation of the inner tube 10 due to the locking of the locking assembly 30.

Thirdly, the sleeve 31 is provided with the stopping portion 316 and the elastic portion 318, when the locking assembly 30 is locked, the annular portion 322 is accommodated in the arc-shaped groove 3102 and abuts against the stopping portion 316, so as to prevent the fastener 32 from directly contacting with the surface of the inner tube 10 to press the inner tube 10 when fastened, and the elastic portion 318 slightly presses the elastic portion 318 towards the inner cavity of the sleeve 31 to abut against the inner tube 10, thereby increasing the connection stability.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A telescopic tube lock catch structure is characterized by comprising:

the inner pipe is provided with a clamping groove;

the locking and buckling assembly comprises a sleeve piece and a fastener, the sleeve piece is sleeved outside the inner pipe and can move relative to the inner pipe along the length direction of the inner pipe, the sleeve piece is used for connecting the outer pipe, one end of the fastener is hinged to the sleeve piece, and one end of the fastener can rotate between a first position and a second position relative to the sleeve piece;

when the fastener rotates to the second position relative to the sleeve, the other end of the fastener can be buckled with the buckling groove, so that the locking assembly is locked with the inner tube.

2. The telescopic tube locking structure according to claim 1, wherein the kit comprises a base, the base is sleeved on the inner tube, the base is provided with a through groove, and the through groove is communicated with the inside and the outside of the base;

when the fastener rotates to the second position relative to the sleeve, the through groove is aligned with the buckling groove, and the other end of the fastener is buckled with the buckling groove through the through groove.

3. The telescopic tube locking structure according to claim 2, wherein the sleeve further comprises a hinge projection, two of the hinge projections being opposite;

one end of the fastener is coaxially hinged between the two hinge projections.

4. The telescopic tube locking structure according to claim 2, wherein the base is further provided with an arc-shaped groove disposed around the base, the through groove communicating with the arc-shaped groove;

when one end of the fastener rotates to the second position relative to the sleeve, the fastener is contained in the arc-shaped groove.

5. The telescopic tube latch structure according to claim 4, wherein the kit further comprises a resilient portion, the resilient portion arcuate slot being at an intersection with the inner cavity of the base portion;

the fastener comprises a hinged part which is hinged to the base part, and the position of the hinged part corresponds to that of the elastic part;

when the fastener rotates to the first position relative to the sleeve, the hinge part is separated from the elastic part;

when the fastener rotates to the second position relative to the sleeve, the hinge portion presses the elastic portion, so that the elastic portion deforms towards the inside of the sleeve and abuts against the inner tube.

6. The telescoping tube latching arrangement of claim 5, wherein said kit further comprises a stop located at an intersection of said arcuate slot and an inner cavity of said base;

the stopping part is arranged on one side of the arc-shaped groove facing the through groove, and two ends of the stopping part are connected with the groove wall of the arc-shaped groove;

the elastic part is arranged on the other side of the arc-shaped groove, and one side of the elastic part is connected with the stopping part.

7. The telescopic tube locking structure according to claim 6, wherein the fastener further comprises an annular portion and a clamping block, and the hinge portion and the clamping block are respectively arranged at two opposite ends of the annular portion;

when the fastener rotates to the second position relative to the sleeve, the annular portion is contained in the arc-shaped groove and abuts against the stopping portion, and the clamping block penetrates through the through groove and is fixed in the clamping groove.

8. The telescopic tube locking structure according to claim 1, further comprising a support member and a slide guide member, wherein the support member is connected to one end of the slide guide member;

the supporting piece is accommodated in the inner pipe and is abutted against the inner wall of the inner pipe;

one end of the sliding guide piece facing the supporting piece is contained in the inner tube, and the other end of the sliding guide piece is contained in the outer tube.

9. The lock catch structure for telescopic tubes according to claim 8, wherein the support member comprises a positioning portion and an extension portion, the extension portion is provided at one end of the positioning portion facing the slider guide;

the positioning part is provided with a positioning clamping groove, and the positioning clamping groove corresponds to the buckle groove in position;

the inner tube is including locating the location card of buckle inslot, the both sides of location card are equallyd divide respectively with the buckle groove is connected, the buckle groove is fixed in the positioning channel groove.

10. The telescopic tube lock catch structure according to claim 9, wherein the sliding guide member comprises a connecting portion, a limiting portion and a sliding guide portion, and two ends of the limiting portion are respectively connected to the connecting portion and the sliding guide portion;

the connecting part is accommodated in the inner pipe and is connected with the extending part;

one end of the limiting part facing the connecting part is abutted against the inner pipe;

the sliding guide part comprises a sliding guide support and two pulleys, the sliding guide support is fixed on the limiting part, the two pulleys are rotatably connected to the sliding guide support, and the two pulleys are respectively abutted to the inner wall of the outer tube.

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