CN214788417U - Buckle type tool-free installation telescopic rod - Google Patents

Abstract

The utility model discloses a buckle type tool-free installation telescopic rod, which comprises an outer tube and a first supporting seat component for supporting one end of the outer tube, wherein the first supporting seat component comprises a first supporting base, a supporting tube, a spring and an installation column, wherein the supporting tube is connected with the first supporting base in a buckle way; the first support base is provided with an assembly hole, and a plurality of clamping grooves are circumferentially arrayed on the wall of the assembly hole; the supporting tube is provided with buckling parts which correspond to the clamping grooves one by one, and the inner tube wall of the supporting tube at the other end far away from the buckling parts is provided with limiting bulges; the mounting column comprises a protruding part and a supporting part, wherein the protruding part is used for being in plug-in connection with the outer pipe, the supporting part is mounted in the supporting pipe, and the diameter of the supporting part is larger than that of the protruding part; the spring is arranged in the supporting pipe, one end of the spring is abutted against the supporting part, and the other end of the spring is abutted against the first supporting base; the spring is used for pushing the mounting column so that the supporting part is propped against the limiting protrusion. This buckle formula exempts from instrument installation telescopic link can make things convenient for the workman to assemble effectively.

Description

Buckle type tool-free installation telescopic rod

Technical Field

The utility model relates to a telescopic link technical field especially relates to an instrument installation telescopic link is exempted from to buckle formula.

Background

The telescopic rod is a common tool in daily life, has the advantage of adjustable length, and is widely applied to a plurality of fields such as clothes hangers, curtain rods, shower curtain rods, projection curtain brackets and the like.

The telescopic link includes inner tube and outer tube usually, and the outside of inner tube is located to the outer pipe box, and the outer tube is arranged along its central line direction has a plurality of card hole, is provided with the telescopic locating pin on the inner tube, and the locating pin stretches into locating hole and protrusion in the periphery wall of outer tube to accomplish the location between inner tube and the outer tube.

The prior art has the following problems that when two ends of a telescopic rod are abutted against a wall to realize fixation, an outer pipe of the telescopic rod easily slides in a supporting seat along an inserting direction, so that the fixing effect of a telescopic pipe is poor, and the telescopic rod is easy to fall off; in addition, the existing supporting seat is generally of an integral structure, and the parts installed in the supporting seat are easy to be assembled inconveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tool setting telescopic link is exempted from to buckle formula, solves above problem.

To achieve the purpose, the utility model adopts the following technical proposal:

a buckle type tool-free installation telescopic rod comprises an outer tube and a first supporting seat assembly, wherein the first supporting seat assembly is used for supporting one end of the outer tube and comprises a first supporting base, a supporting tube, a spring and an installation column, and the supporting tube is connected with the first supporting base in a buckle mode;

the first support base is provided with an assembly hole, and a plurality of clamping grooves are circumferentially arrayed on the wall of the assembly hole; the supporting tube is provided with buckling parts which correspond to the clamping grooves one by one, and the inner tube wall of the supporting tube at the other end far away from the buckling parts is provided with limiting bulges;

the mounting column comprises an extension part and a support part, wherein the extension part is used for being in plug-in connection with the outer pipe, the support part is mounted in the support pipe, and the diameter of the support part is larger than that of the extension part;

the spring is arranged in the supporting pipe, one end of the spring is abutted against the supporting part, and the other end of the spring is abutted against the first supporting base; the spring is used for pushing the mounting column so that a step surface formed by the supporting part and the extending part is abutted to the limiting bulge.

Optionally, the buckle type tool-less installation telescopic rod further comprises an inner tube, the outer tube is sleeved on the inner tube, and the outer tube can slide relative to the inner tube; the outer pipe is provided with a groove, and the bottom of the groove is provided with a plurality of penetrating clamping holes at intervals along the length direction of the outer pipe;

an elastic bayonet lock assembly is mounted at one end of the inner pipe and comprises an elastic piece and a fixed bayonet lock, and the elastic piece is used for pushing the fixed bayonet lock to extend into the clamping hole;

when the fixed bayonet lock extends into the clamping hole, the fixed bayonet lock protrudes out of the bottom of the groove and is not higher than the depth of the groove.

Optionally, the elastic bayonet lock assembly further comprises a fixed seat installed in the inner tube, the fixed seat is provided with an installation hole, the fixed bayonet lock is slidably installed in the installation hole, the elastic member is compressively arranged between the hole bottom of the installation hole and the fixed bayonet lock, one end of the elastic member abuts against the hole bottom of the installation hole, and the other end of the elastic member abuts against the fixed bayonet lock;

the inner tube still sets up the through hole, fixed bayonet lock is including following the through hole gets into the chucking post in card hole.

Optionally, the fixing bayonet further comprises a main body connected with the clamping column, the main body is slidably disposed in the mounting hole, and the diameter of the main body is larger than that of the through hole;

the length value that the clamping column stretches into the groove is not greater than the depth value of the groove.

Optionally, the snap-in tool-less mounting telescoping rod further comprises a driving assembly for driving the fixing bayonet to move along the mounting hole in a direction away from the groove;

the driving assembly comprises a pull rope and a sliding key which can be slidably installed on the inner pipe, and the other end of the pull rope is fixedly connected with the sliding key;

an opening penetrating to the mounting hole is formed in one side, close to the sliding key, of the fixed seat, and a rotary trigger is rotatably arranged in the opening; the rotary trigger comprises a driving gear, and a rack meshed with the driving gear is fixedly connected to the main body;

one end of the pull rope is connected with the rotary trigger; when the sliding key slides to a preset separation position in the direction away from the fixed bayonet lock, the pull rope drives the rotary trigger to rotate so as to enable the main body to move downwards, and the clamping column is separated from the clamping hole.

Optionally, the rotary trigger further comprises a pulling arm fixedly connected to the driving gear, the pulling arm is located on one side of the driving gear, which is far away from the groove, a through hole is formed in one end of the pulling arm, which is far away from the driving gear, and one end of the pulling rope is tied tightly on the pulling arm through the through hole.

Optionally, an installation opening for installing the sliding key is formed in the inner tube, the sliding key is slidably assembled on the inner tube, and a clamping device for clamping the pull rope is connected to a portion, extending into the inner hole of the inner tube, of the sliding key.

Optionally, the recess form to the convex rectangular arch of hole direction of outer tube, the inner tube is provided with the matching rectangular bellied installation spout, the installation spout is the bar groove, rectangular protruding slidable is arranged in the installation spout.

Optionally, a section of the installation sliding groove perpendicular to the length direction of the inner tube is U-shaped, and the outer contour shape of the elongated protrusion is U-shaped matching with the section of the installation sliding groove.

Optionally, the other end of the inner pipe, which is far away from the outer pipe, is provided with a second supporting seat assembly;

the second supporting seat assembly comprises a fine adjuster in threaded connection with the inner pipe and a second supporting base fixedly connected with the fine adjuster.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the embodiment, the limiting bulge can prevent the outer pipe from sliding out of the assembling hole, the spring can apply elastic force to the mounting column, and the elastic force of the spring enables the force of the first support base against the wall to be more stable and reliable, so that the fixing effect of the buckle type tool-free mounting telescopic rod is improved; in addition, buckle formula plug-in connection's stay tube and first support base plug-in type buckle are connected, also can make things convenient for the workman to assemble more, earlier with erection column and spring mounting to pilot hole after promptly, again with first support base and stay tube plug-in connection, have avoided the supporting part can't pass spacing bellied problem from the external world.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.

Fig. 1 is a schematic front view of a telescopic rod provided in an embodiment of the present invention;

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is an enlarged schematic view at B of FIG. 2;

FIG. 5 is an enlarged schematic view at C of FIG. 2;

FIG. 6 is an enlarged schematic view at D of FIG. 2;

fig. 7 is a schematic perspective view of a telescopic rod according to an embodiment of the present invention.

Illustration of the drawings: 1. an inner tube; 11. a through hole; 12. installing a chute; 2. an outer tube; 21. a groove; 22. a clamping hole; 31. an elastic member; 32. fixing the bayonet lock; 321. clamping the column; 322. a main body; 324. a rack; 33. a fixed seat; 331. mounting holes; 34. a sliding key; 341. a clamping device; 35. pulling a rope; 36. rotating the trigger; 361. a drive gear; 362. a trigger arm 41, a first support base; 411. an assembly hole; 412. a card slot; 42. supporting a tube; 422. a limiting bulge; 421. a fastening part; 43. a spring; 44. mounting a column; 441. a protruding portion; 442. a support portion; 51. a trimmer; 52. a second support base.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1-7, an embodiment of the present invention provides a buckle type tool-free telescopic rod for improving a fixing effect of the buckle type tool-free telescopic rod, and facilitating assembly by a worker; in addition, the condition that the existing positioning pin can protrude out of the outer peripheral wall of the telescopic pipe when being positioned is avoided, the application range of the buckle type tool-free telescopic rod is wider, and the problem of inconvenient use caused by the protrusion of the positioning pin can be effectively avoided.

The utility model provides a buckle formula does not have instrument installation telescopic link, including outer tube 2 and the first supporting seat subassembly that is used for supporting one end of outer tube 2, the first supporting seat subassembly includes first support base 41, with the stay tube 42, spring 43 and the erection column 44 of first support base 41 buckle connection;

the first supporting base 41 is provided with an assembling hole 411, and a plurality of clamping grooves 412 are circumferentially arrayed on the wall of the assembling hole 411; the supporting tube 42 is provided with a plurality of clamping parts 421 corresponding to the clamping grooves 412 one by one, and the inner tube wall of the supporting tube 42 at the other end far away from the clamping parts 421 is provided with a limiting bulge 422;

the mounting post 44 includes a protruding portion 441 for being inserted into the outer tube 2 and a supporting portion 442 mounted in the supporting tube 42, the supporting portion 442 having a diameter larger than that of the protruding portion 441;

the spring 43 is installed in the support tube 42, one end of the spring 43 abuts against the support portion 442, and the other end abuts against the first support base 41; the spring 43 is used to push the mounting post 44 so that the step surface formed by the supporting portion 442 and the protruding portion 441 is abutted against the limit projection 422.

Specifically, the supporting tube 42 and the first supporting base 41 are connected in a plug-in type buckling manner, so that the assembly of workers can be facilitated, the workers can firstly install the mounting column 44 and the spring 43 in the assembly hole and then connect the first supporting base 41 and the supporting tube 42 in a plug-in manner, the problem that the supporting part 442 cannot penetrate through the limiting protrusion 422 from the outer side due to overlarge diameter is avoided, the protrusion height of the limiting protrusion 422 can be set to be higher, and the limiting capacity of the limiting protrusion 422 is improved; in addition, the arrangement of the limiting bulge can prevent the outer pipe from sliding out of the assembling hole; the arrangement of the spring 43 can apply elastic force to the mounting column, the elastic force of the spring 43 enables the force of the first support base 41 against the wall to be more stable and reliable, and the fixing effect of the buckle type tool-free mounting telescopic rod is improved;

the buckle type tool-free installation telescopic rod comprises an inner tube 1 and an outer tube 2 sleeved on the inner tube 1, wherein the outer tube 2 can slide relative to the inner tube 1; the outer tube 2 is provided with a groove 21, and the bottom of the groove 21 is provided with a plurality of through clamping holes 22 at intervals along the length direction of the outer tube 2;

one end of the inner tube 1 extending into the outer tube 2 is provided with an elastic bayonet pin assembly, the elastic bayonet pin assembly comprises an elastic piece 31 and a fixed bayonet pin 32, and the elastic piece 31 is used for pushing the fixed bayonet pin 32 to extend into the bayonet hole 22;

when the fixing pin 32 is inserted into the pin hole 22, the fixing pin 32 protrudes from the bottom of the groove 21 by a height not higher than the depth of the groove 21.

Specifically, the outer tube 2 can slide along the length direction of the inner tube 1 to adjust the total length of the buckle type tool-free telescopic rod. The outer tube 2 is provided with a portion extending into the recess 21 for receiving the fixing pin 32, so as to prevent the fixing pin 32 from forming a protrusion protruding from the outer peripheral wall of the outer tube 2. More specifically, for example, the fastening type tool-free installation telescopic rod is used as a curtain rod, the height of the fixed bayonet pin 32 protruding out of the bottom of the groove 21 is not higher than the depth of the groove 21, the fixed bayonet pin 32 cannot form a barrier for sliding of a curtain hanging ring, the situation that the fixed bayonet pin 32 blocks the curtain hanging ring is avoided, and the use experience of a user is better.

Optionally, the elastic bayonet pin assembly further comprises a fixed seat 33 installed in the inner tube 1, the fixed seat 33 is provided with an installation hole 331, the fixed bayonet pin 32 is slidably installed in the installation hole 331, the elastic element 31 is compressively arranged between the bottom of the installation hole 331 and the fixed bayonet pin 32, one end of the elastic element 31 abuts against the bottom of the installation hole 331, and the other end of the elastic element 31 abuts against the fixed bayonet pin 32;

the inner tube 1 is further provided with a through hole 11, and the fixing pin 32 includes a fastening post 321 capable of entering the fastening hole 22 along the through hole 11.

Specifically, the resilient bayonet assembly is mounted in the inner bore of the inner tube 1 near one end of the outer tube 2, and the fixed seat 33 is snap-fit mounted in the inner tube 1. When the through hole 11, the mounting hole 331 and the fastening hole 22 are aligned with each other, the fixing pin 32 makes the fastening post 321 extend into the fastening hole 22 under the action of the elastic member 31, and the fastening post 321 partially protrudes from the bottom of the groove 21, thereby positioning the inner tube 1 and the outer tube 2 with respect to each other.

Optionally, the fixing pin 32 further comprises a main body 322 connected to the fastening post 321, the main body 322 is slidably disposed in the mounting hole 331, and the diameter of the main body 322 is larger than that of the through hole 11;

the length of the gripping stud 321 projecting into the recess 21 is smaller than the depth of the recess 21.

In particular, the length of the stud 321 is suitably set, and the body 322 cooperates with the through hole 11 to define the extension of the fixed bayonet 32, so as to avoid the extension of the stud 321 from exceeding the depth of the recess 21.

Optionally, the snap-in tool-less mounting telescoping rod further comprises a drive assembly for driving the securing latch 32 along the mounting hole 331 in a direction away from the recess 21;

the driving assembly comprises a pull rope 35 and a sliding key 34 which can be slidably arranged on the inner tube 1, and one end of the pull rope 35 is fixedly connected with the sliding key 34;

an opening penetrating through the mounting hole 331 is formed in one side of the fixed seat 33 close to the sliding key 34, and a rotary trigger 36 is rotatably arranged in the opening; the rotary trigger 36 comprises a driving gear 361, and a rack 324 meshed with the driving gear 361 is fixedly connected to the main body 322;

one end of the pull rope 35 is connected to the rotary trigger 36; when the sliding key 34 slides away from the fixed latch 32 to a predetermined disengaging position, the pull cord 35 drives the rotary trigger 36 to rotate so as to move the main body 322 downward, and the locking post 321 disengages from the locking hole 22.

Specifically, the sliding length of the slide key 34 from the initial position to the preset disengagement position is related to the length of the chucking post 321. As shown in fig. 3, when the slide key 34 moves the pulling rope 35, the pulling rope 35 pulls the driving gear 361 to rotate, and the driving gear 361 drives the main body 322 to move downward, so that the clamping column 321 moves downward and is separated from the clamping hole. At this time, the user can move the inner tube 1 leftwards or rightwards, so that the total length of the quick-adjustment buckle type tool-free telescopic rod is achieved. The length of two adjacent locating holes can only be adjusted after the locating pin is pressed once by the existing telescopic rod, the locating pin needs to be pressed for multiple times to adjust the length, the length adjusting mode is too troublesome, and the purpose of quickly adjusting the total length of the telescopic rod cannot be achieved.

Optionally, the rotary trigger 36 further includes a trigger arm 362 fixedly connected to the driving gear 361, the trigger arm 362 is located on a side of the driving gear 361 away from the recess 21, a through hole is provided at an end of the trigger arm 362 away from the driving gear 361, and an end of the pull rope 35 is fastened to the trigger arm 362 through the through hole.

Specifically, the pulling rope 35 is tied in a through hole at one end of the trigger arm 362 far away from the driving gear 361, so that the user can drive the main body 322 to move downwards only by sliding the sliding key 34 with a small force, and the operation of the user is more convenient.

Optionally, an installation opening for installing the sliding key 34 is opened on the inner tube 1, the sliding key 34 is slidably assembled on the inner tube 1, and a clamping device 341 for clamping the pulling rope 35 is connected to a portion of the sliding key 34 extending into the inner hole of the inner tube 1. Specifically, the clamping device 341 clamps one end of the pulling rope 35, and pulls the pulling rope 35 when the sliding key 34 slides.

Optionally, recess 21 forms the convex rectangular arch to the hole direction of outer tube, and inner tube 1 is provided with the protruding installation spout 12 of the rectangular of matching, and installation spout 12 is the bar groove, and rectangular protruding slidable arranges in installation spout 12.

Alternatively, the section of the mounting chute 12 perpendicular to the length direction of the inner tube 1 is U-shaped, and the outer contour shape of the elongated protrusion is U-shaped to match the section of the mounting chute 12. Specifically, the elongated protrusion can slide in the mounting chute 12, and the arrangement direction of the plurality of locking holes 22 is parallel to the length direction of the elongated protrusion. Thus, when the elongated projection is slid in the mounting chute 12, the engaging hole 22 can be aligned more accurately with the through hole 11 without causing a lateral deflection such that the engaging post 321 cannot enter the engaging hole 22.

Optionally, a second supporting seat assembly is installed at one end of the inner pipe 1 far away from the outer pipe 2; the second support base assembly comprises a fine actuator 51 screwed with the inner pipe 1 and a second support base 52 fixedly connected with the fine actuator 51. Specifically, the fine actuator 51 enables fine adjustment of the length of the entire snap-on tool-less mounting telescoping rod by rotation.

Optionally, the snap-in telescopic tube further comprises an extension tube 6. Specifically, one end of the extension pipe 6 is connected to the mounting column 44 in the support pipe 44, and the other end is connected to the outer pipe 2. One end of the extension pipe 6 is sleeved on the extension part 441 of the mounting column 44; the mouth of pipe section that is close to the other end of outer tube 2 of extension pipe 6 has the throat, and the external diameter after the throat is slightly less than the internal diameter of outer tube 2, and outer tube 2 cup joints on extension pipe 6. It should be noted that any two extension pipes 6 can be connected in an inserting manner, and the total length of the buckling type extension pipe can be effectively increased by adding a proper number of extension pipes 6, so that the buckling type extension pipe can be matched with a longer installation distance. Furthermore, if the installation distance is appropriate, the extension pipe 6 does not need to be fitted.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The buckle type tool-free installation telescopic rod is characterized by comprising an outer pipe (2) and a first supporting seat assembly for supporting one end of the outer pipe (2), wherein the first supporting seat assembly comprises a first supporting base (41), a supporting pipe (42) in buckle connection with the first supporting base (41), a spring (43) and a mounting column (44);

the first supporting base (41) is provided with an assembling hole (411), and a plurality of clamping grooves (412) are circumferentially arrayed on the wall of the assembling hole (411); the supporting tube (42) is provided with buckling parts (421) which correspond to the clamping grooves (412) one by one, and the inner tube wall of the other end, far away from the buckling parts (421), of the supporting tube (42) is provided with a limiting bulge (422);

the mounting column (44) comprises a protruding part (441) for being in plug connection with the outer pipe (2) and a supporting part (442) mounted in the supporting pipe (42), and the diameter of the supporting part (442) is larger than that of the protruding part (441);

the spring (43) is arranged in the supporting tube (42), one end of the spring (43) is abutted against the supporting part (442), and the other end of the spring (43) is abutted against the first supporting base (41); the spring (43) is used for pushing the mounting column (44) so that a step surface formed by the supporting part (442) and the extending part (441) is abutted against the limiting protrusion (422).

2. The buckle type tool-free installation telescopic rod according to claim 1, further comprising an inner tube (1), wherein the outer tube (2) is sleeved on the inner tube (1), and the outer tube (2) can slide relative to the inner tube (1); the outer pipe (2) is provided with a groove (21), and the bottom of the groove (21) is provided with a plurality of penetrating clamping holes (22) at intervals along the length direction of the outer pipe (2);

one end of the inner pipe (1) is provided with an elastic bayonet lock assembly, the elastic bayonet lock assembly comprises an elastic piece (31) and a fixed bayonet lock (32), and the elastic piece (31) is used for pushing the fixed bayonet lock (32) to extend into the clamping hole (22);

when the fixed clamping pin (32) extends into the clamping hole (22), the height of the fixed clamping pin (32) protruding out of the bottom of the groove (21) is not higher than the depth of the groove (21).

3. The buckle type tool-free installation telescopic rod according to claim 2, wherein the elastic bayonet lock component further comprises a fixed seat (33) installed in the inner tube (1), the fixed seat (33) is provided with an installation hole (331), the fixed bayonet lock (32) is slidably installed in the installation hole (331), the elastic member (31) is compressively arranged between the hole bottom of the installation hole (331) and the fixed bayonet lock (32), one end of the elastic member (31) abuts against the hole bottom of the installation hole (331), and the other end of the elastic member abuts against the fixed bayonet lock (32);

the inner tube (1) is further provided with a through hole (11), and the fixed clamping pin (32) comprises a clamping column (321) which can enter the clamping hole (22) along the through hole (11).

4. A snap-on tool-less mounting telescopic rod according to claim 3, wherein the securing latch (32) further comprises a main body (322) connected to the latching post (321), the main body (322) is slidably disposed in the mounting hole (331), and the diameter of the main body (322) is larger than the diameter of the through hole (11);

the length value of the clamping column (321) extending into the groove (21) is not greater than the depth value of the groove (21).

5. A snap-in, tool-less installation pole according to claim 4, further comprising a drive assembly for driving the securing latch (32) along the mounting hole (331) in a direction away from the recess (21);

the driving assembly comprises a pull rope (35) and a sliding key (34) which is slidably installed on the inner pipe (1), and the other end of the pull rope (35) is fixedly connected with the sliding key (34);

an opening penetrating through the mounting hole (331) is formed in one side, close to the sliding key (34), of the fixed seat (33), and a rotary trigger (36) is rotatably arranged in the opening; the rotary trigger (36) comprises a driving gear (361), and a rack (324) meshed with the driving gear (361) is fixedly connected to the main body (322);

one end of the pull rope (35) is connected with the rotary trigger (36); when the sliding key (34) slides to a preset separation position in the direction away from the fixed clamping pin (32), the pull rope (35) drives the rotary trigger (36) to rotate so as to enable the main body (322) to move downwards, and the clamping column (321) is separated from the clamping hole (22).

6. A snap-on tool-less mounting telescoping rod according to claim 5, wherein the rotary trigger (36) further comprises a trigger arm (362) fixedly connected to the driving gear (361), the trigger arm (362) is located at a side of the driving gear (361) away from the recess (21), a through hole is provided at an end of the trigger arm (362) away from the driving gear (361), and an end of the pull cord (35) is fastened to the trigger arm (362) through the through hole.

7. The buckle type tool-free installation telescopic rod according to claim 5, wherein an installation opening for installing the sliding key (34) is formed in the inner tube (1), the sliding key (34) is slidably assembled on the inner tube (1), and a clamping device (341) for clamping the pull rope (35) is connected to a part of the sliding key (34) extending into the inner hole of the inner tube (1).

8. A buckle type tool-less mounting telescopic rod according to claim 2, wherein the groove (21) forms an elongated protrusion protruding towards the inner hole of the outer tube, the inner tube (1) is provided with a mounting chute (12) matching the elongated protrusion, the mounting chute (12) is a strip-shaped groove, and the elongated protrusion is slidably arranged in the mounting chute (12).

9. A buckle tool-less mounting telescopic rod according to claim 8, wherein the cross-section of the mounting runner (12) perpendicular to the length direction of the inner tube (1) is U-shaped, and the outer contour of the elongated protrusion is U-shaped to match the cross-section of the mounting runner (12).

10. A snap-on tool-less mounting telescopic rod according to claim 2, wherein the other end of the inner tube (1) remote from the outer tube (2) is mounted with a second support socket assembly;

the second supporting seat assembly comprises a fine adjuster (51) in threaded connection with the inner pipe (1) and a second supporting base (52) fixedly connected with the fine adjuster (51).

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