CN2621471Y

CN2621471Y - Telescopic walking stick

Info

Publication number: CN2621471Y
Application number: CN 03230383
Authority: CN
Inventors: 田万植
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-04-16
Filing date: 2003-04-16
Publication date: 2004-06-30
Anticipated expiration: 2013-04-16

Abstract

The utility model relates to a telescopic walking stick, comprising a main pipe, an extension pipe and an extension rod, wherein, the main pipe, the extension pipe and the extension rod are cascade connected; screw bolts are respectively provided at the upper ends of the extension pipe and the extension rod; the screw bolt is arranged orderly with a friction block, an adjusting nut for thread connection and a screw cap. The utility model is characterized in that the friction block is divided into an upper portion and a lower portion, in which the lower slanted surface of the upper portion is pressed against the upper slanted surface of the lower portion to form a cylindrical friction block; a through-hole is arranged vertically through the friction block. The utility model is contrived so as to allow the friction block to generate powerful friction force in the main pipe and obtain a desirable anti-slip effect through closer and more reliable contact. A buffer spring is provided on the extension pipe to ease holding pains as a result of reactive force of the walking stick and enable a user to hold a walking stick more conformable and firmly.

Description

Telescopic walking stick

Technical field

The utility model relates to a kind of telescopic walking stick technical field.

Background technology

Existing telescopic walking stick kind is a lot, and style is different.As existing a kind of product, its patent No. is 98200461.3 Chinese patent, it mainly comprises a primary branch and an extension that is located in this primary branch to denomination of invention for " mountain-climbing, on foot with crutch and ski stick telescopic positioner ", but this extension front end is provided with the solid screw rod in this primary branch of a spiral shell, and this telescopic positioning device comprises that also a bulging piece and one open nut admittedly; This bulging piece is a blob of viscose with great friction coefficient, elasticity and hardness, and it is provided with a perforation in central authorities, and the screw rod cover of this extension is through at this perforation, and is placed in this primary branch inwall; This is opened nut admittedly and also is contained in this primary branch inwall, it is provided with a screw in central authorities, the screw rod of this extension screws togather this screw, this is opened the nut latter end admittedly and is formed with an expansion segment, this expansion segment supports to arrive at this primary branch inwall, and be arranged with one respectively at the two ends of bulging piece and push pad, and bulging piece week side recessed of a plurality of air flues are arranged.This structure is compared with general telescopic walking stick and is had certain good child-rearing, but its shortcoming is also not little, the structure that at first is its design is reasonable not enough, the bulging piece of its design is to make by rotating screw bolt to open nut bottom extruding bulging piece admittedly and make radially bulging of bulging piece by the reaction force acting in conjunction of screw rod bottom, so that reach the anti-slip effect between the telescoping tube, anti-slip effect between this telescoping tube, be to realize fully with the skin-friction force between bulging piece and the tube wall, if this walking stick is long slightly service time, the inevitable plastic deformation to some extent of tube wall, and the bulging degree of bulging piece has certain limit, if add with hand big slightly along vertical pressing strength, the friction dynamics of its generation just can not reach the anti-slip effect between the telescoping tube, if the bulging piece is stained with some dusts or impurity, then the anti-slip effect that it brought will be poorer; It is bad that next walking stick that is its designs also can feel occur when using, and just seemingly holding a hardwood rod, do not have elasticity and soft comfort.These all can bring inconvenience to the user, therefore await improving.

Summary of the invention

Technical problem to be solved in the utility model provides that frictional force between a kind of simple and reasonable for structure, telescoping tube is big, the telescopic walking stick of good antiskid effect.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this telescopic walking stick comprises main body pipe, extension, extension rod, and sleeve type connects successively, upper end at extension and extension rod is respectively arranged with screw rod, on screw rod, be nested with brake pad successively, be spirally connected and regulate nut and turncap, it is characterized in that: described brake pad branch upper and lower, its lower end, top be the inclined-plane and with the inclined-plane crimping mutually of bottom upper end, described perforation is through the two ends of brake pad.

As improvement, described brake pad is to cut sth. askew and average mark is slit into independently two by having angle with central axis, and its integral body is bar shape, and two inclined-planes of this its mutual crimping of brake pad can slide relatively, perforation on the described brake pad is to be positioned on the vertical central axis of brake pad, and wear empty cover by this and be through on the screw rod, and its upper surface and the lower end crimping mutually of regulating nut, crimping mutually on its lower surface and the extension.

Improve again, one section metallic rod is extended in its bottom of screw rod of described extension upper end, this metallic rod upper end is equipped with screw thread, this screw thread and spring base nut are spirally connected and are positioned the metallic rod upper end, and the fixed block that is fixed on the extension upper end is passed in this metallic rod lower end, bind the metallic rod lock tube in fixed block by the disjunctor nut again, and be provided with buffer spring and be nested with on metallic rod, its upper end of this buffer spring is inconsistent with the spring base nut of screw rod bottom, and its lower end contacts mutually and is nested with on metallic rod with the fixed block upper end.

Compared with prior art, advantage of the present utility model is to adopt lower inclined plane phase crimping on the column brake pad because of the utility model, and the two ends of perforation through the bar shape brake pad are arranged, this structure makes the anti-slip effect between the telescoping tube not only be embodied in friction between brake pad surface and the tube wall, but also be embodied in inclined-plane, lower end, brake pad top and inclined-plane, upper end, brake pad bottom, when user's turn extension, because the spiral shell of extension advances, order about and regulate nut extrusion friction piece, to cause brake pad to separate and the radial distance of brake pad is increased in two ones axle center up and down, so directly tube wall is produced a kind of pressure, the frictional force that is produced between easier promotion brake pad of this direct pressure and the tube wall, make frictional force bigger, brake pad contacts closelyr to tube wall, more firm, so that reach desirable anti-slip effect; Again because the utility model has also adopted the screw rod bottom of extension upper end to stretch out one section metallic rod, by the other end plug-in mounting of metallic rod in the extension upper end, and be nested with buffer spring on the metallic rod, because general walking stick, when the hand walking stick surpasses certain dynamics, because walking stick produces reaction force to palm, often cause the compressing of palm and the feels pain sense, because this product is provided with buffer spring on extension, so walking stick is exerted oneself when bigger than normal at palm, walking stick will compress automatically and produce a kind of buffering course, therefore the reaction force of having avoided walking stick makes the consumer feel not only comfortable but also firm when using walking stick to the pain that palm produced.

Description of drawings

Fig. 1 is a structural front view of the present utility model,

Fig. 2 is the local amplification view of Fig. 1,

Fig. 3 is the local amplification view of Fig. 1,

Fig. 4 is that the utility model brake pad is crimped on amplification stereogram together when radially not expanding,

Amplification stereogram when Fig. 5 is the separation of the utility model brake pad,

Fig. 6 is that the utility model brake pad is crimped on amplification stereogram together when being radially expanded,

Fig. 7 is the disjunctor enlarged drawing of the utility model screw rod and metallic rod,

Fig. 8 is the disjunctor enlarged drawing of the utility model screw rod and metallic rod.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As shown in Figure 1, telescopic walking stick of the present utility model, form by main body pipe 2, extension 4 and extension rod 5, this main body pipe 2, extension 4 and extension rod 5 are made by high strength, light weight alloy respectively, be equipped with extension 4 in the main body pipe 2, in extension 4, be nested with extension rod 5 again, so that form three nodular walking sticks.On the lower end socket place outer surface of the lower end of main body pipe 2 and extension 4, be equipped with the sleeve 3 of decoration and reinforcement effect respectively, be equipped with style handle attractive in appearance 1 in the upper end of main body pipe 2, handle 1 has macromolecular material to make, soft comfortable, in handle 1 upper side one side opening (not shown) is arranged, in this side opening, cover one and carry the band (not shown), this carries band and can carry walking stick and hang on the arm, do other thing so that can deviate from hand, handle 1 and carry band and be fixed on main body pipe 2 upper ends in the lump by the screw (not shown).Bottom at extension rod 4, be nested with the style splicing sleeve of also making 6 attractive in appearance by macromolecular material, splicing sleeve 6 covers are through at extension rod 5 lower ends, and splicing sleeve 6 is fixed on the bottom of extension rod 5 by a convex nut, this splicing sleeve 6 is except having beautiful decoration, because expand when partly limitting in the earth in the walking stick lower end on its top, also play upwards supporting role to a certain degree, also be equipped with in the lower end of splicing sleeve 6 and both had the sense of decoration, can prevent that again walking stick from directly contacting with object, and the block of the wearing and tearing or the walking stick of making dirty cover 7, block cover 7 is also made by anti-wear-resisting macromolecular material, block cover 7 be worn or the back of making dirty as long as change block cover 7, changes very conveniently, overlap 7 and put new block again and overlap 7 and promptly finish replacing as long as extract old block.In order to make the user bring bigger convenience, this product also shows scale mark 16 on the appearance side of extension 4, and the user can regulate own needed distance very exactly, and is both convenient, firm, practical, elegant in appearance again.

Be positioned at the extension 4 of main body pipe 2 and the socket place of main body pipe 2 a friction location structure is arranged, see Fig. 2 and shown in Figure 3, this friction location structure comprises by brake pad 9, regulate nut 8, turncap 15, and place the screw rod 11 of extension 4 upper ends to form, brake pad 9 is to have great friction coefficient and suitable elasticity, the macromolecular material of hardness is made, 9 fens upper and lowers of brake pad, see Fig. 4, Fig. 5 and Fig. 6, in the lower end, top is an inclined-plane 19, in the upper end, bottom also is inclined-plane 20, brake pad 9 is to have angle to cut sth. askew with central axis to form two inclined-planes 19,20, make brake pad 9 average marks be slit into independently two parts up and down, and this brake pad about in the of 9 the integral body after two parts crimping be bar shape.Be provided with a perforation 10 in brake pad 9 central authorities, these 10 two ends of boring a hole through bar shape brake pad 9, and be positioned on the vertical central axis of brake pad 9.Described adjusting nut 8 its longitudinal center's shaft positions are provided with screw 18, and transverse plane crimping mutually on the following transverse plane that should regulate nut 8 and the brake pad 9.At the top latter end of regulating nut 8 enlarged portion 17 is arranged, to support to arrive on main body pipe 2 inwalls.End at described screw rod 11 is provided with a turncap hole 26, sees Fig. 7, is bolted with a turncap 15 on this turncap hole 26, and this turncap 15 is positioned to regulate screw 18 outer rims on the nut 8, makes and regulates nut 8, brake pad 9 can't slippage from screw rod 11.When pushing walking stick with hand, the reaction force of walking stick is to pain that palm produced, the utility model extends one section metallic rod 12 in the bottom of screw rod 11, see Fig. 7 and Fig. 8, be equipped with screw thread 27 at metallic rod 12 upper ends, this screw thread 27 is spirally connected fixing with the spring base nut 28 that is positioned metallic rod 12 upper ends, the fixed block 14 that is fixed on extension 4 upper ends is passed in the lower end of this metallic rod 12, bind metallic rod 12 lock tubes in fixed block 14 by disjunctor nut 21 again, and be provided with buffer spring 13 and be nested with on metallic rod 12.These buffer spring 13 its upper ends are inconsistent with the spring base nut 28 of screw rod 11 bottoms, and its lower end contacts mutually and is nested with on metallic rod 12 with extension 4 upper surfaces.The lateral surface of described fixed block 14 is provided with several sunken holes 22, match with projection 23 on extension 4 madial walls and be fixed on the extension 4, described with deciding 14 fens directly big and path two parts of piece, and by integrally formed and form fixed block 14, top is path 24, make buffer spring 13 can be tightr with more suitably contact mutually with fixed block 14, fixed block 14 plays the effect of lower spring cup, described metallic rod 12 makes spring 13 by disjunctor nut 21 and fixed block 14 lower ends, described extension 4 contacts by the disjunctor nut 21 of fixed block 14 with metallic rod 12 lower ends, and make fixed block 14 and disjunctor nut 21 produce clean frictional force and transmit moment of torsion by the elastic force of buffer spring 13, rotate together so when extension 4 rotations, drive metallic rod 12.

Be nested with the location structure of extension rod 5 and extension 4 in extension 4, its structure is the same with primary branch 2 location structures with extension 4, and what distinguished is that this location structure is not established buffer spring 13, and described screw rod is the upper end that directly is fixed on extension rod 5.

When the assembling of friction location structure, earlier pad circle 25 is inserted on the screw rod 11 of metallic rod 12 upper ends, again brake pad 9 is inserted in the screw rod 11, to regulate nut 8 then screws togather and is inserted in screw rod 11, again turncap 14 formula that screws togather is inserted in the turncap hole 26 on the end of screw rod 11, again the end that the friction location structure is housed on the extension 4 is inserted in the main body pipe 2, make adjusting nut 8 utilize its terminal enlarged portion 17 to support to arrive in spacing with primary branch 2 inwalls.With the same manner extension rod 5 is inserted in the extension 4, promptly finishes assembling.

When the extension 4 of user's desire location, need only be by regulating the characteristic that nut 8 can't turn, the turn extension 4 in a clockwise direction, its screw rod 11 is advanced from the screw 18 interior upwards spiral shells of regulating nut 8 gradually, order about adjusting nut 8 and oppositely force into brake pad 9, the spring base nut 28 of regulating 8 times transverse planes of nut and screw rod 11 bottoms passes through packing ring 25 respectively from brake pad 9 two extrusion friction pieces 9, the upper inclined surface of brake pad 9 is slided to the lower edge lower bevel, and the lower bevel of brake pad 9 is slided to the upper edge upper inclined surface, to cause brake pad two ones axle center to separate and the radial distance of brake pad 9 is enlarged about in the of 9, and clog in main body pipe 2 inwalls, till this extension 4 can't turn, at this moment, because brake pad 9 itself has great friction coefficient, and have involved and abstruse, the effect of on-slip, add the pressure that brake pad 9 top and the bottom directly produce tube wall, so that produced powerful frictional resistance, make extension 4 obtain the location at primary branch 2 inwalls.On the contrary, if user's desire is adjusted the use length of extension 4, then can be by counter clockwise direction turn extension 4, its screw rod 11 is moved back from the screw 18 interior spiral shells downwards of regulating nut 8 gradually, this adjusting cap 8 just can oppositely expel brake pad 9, make brake pad 9 reinstatements, and no longer closely contact with the inwall of main body pipe 2, till this screw rod 11 is subjected to turncap 15 blocks and can't turn, at this moment, because 4 enlarged portion 17 by adjusting nut 8 of extension are touched to the location with primary branch 2 inwalls, the user need only bestow the strength that extension 4 stretches or shrinks, and just can overcome the frictional force of regulating nut 8, and can not be difficult to drive as piston, the user can very press the dimension mark 16 of extension 4 lateral surfaces effortlessly, adjusts extension 4 to required distance.Use again with quadrat method location extension 4 and extension rod 5, can use walking stick, operate very simple, convenient.

Telescopic walking stick of the present utility model; its material is except that being made by metal tube; can also make by other material; as macromolecular material etc.; the telescoping tube of walking stick is except three nodulars; also can be two joint or more pieces more, as long as it is its location structure is to belong in the protection zone of the present utility model, promptly all real in abuse.

Claims

1, a kind of telescopic walking stick, it comprises main body pipe (2), extension (4), extension rod (5), and sleeve type connects successively, upper end at extension (4) and extension rod (5) is respectively arranged with screw rod (16), on screw rod (16), be nested with brake pad (9) successively, be spirally connected and regulate nut (8) and turncap (15), it is characterized in that: described brake pad (9) branch upper and lower, its lower end, top be inclined-plane (19) and with inclined-plane (20) crimping mutually of bottom upper end, described perforation (10) is through the two ends of brake pad (9).

2, telescopic walking stick according to claim 1 it is characterized in that described brake pad (9) is to cut sth. askew and average mark is slit into independently two by having angle with central axis, and its integral body is bar shape.

3, telescopic walking stick according to claim 1 is characterized in that two inclined-planes (19,20) of its mutual crimping of described brake pad (9) can slide relatively.

4, telescopic walking stick according to claim 1 is characterized in that described perforation (10) is to be positioned on the vertical central axis of brake pad (9).

5, telescopic walking stick according to claim 1 is characterized in that described brake pad (9) is that cover is through on the screw rod (16), and its upper surface and the lower end crimping mutually of regulating nut (8), its lower surface and extension (4) upper end crimping mutually.

6, telescopic walking stick according to claim 1, one section metallic rod (12) is extended in its bottom of screw rod (11) that it is characterized in that described extension (4) upper end, this metallic rod (12) upper end is equipped with screw thread (27), this screw thread (27) is spirally connected with spring base nut (28) and is positioned metallic rod (12) upper end, and the fixed block (14) that is fixed on extension (4) upper end is passed in this metallic rod (12) lower end, bind metallic rod (12) lock tube in fixed block (14) by disjunctor nut (21) again, and be provided with buffer spring (13) and be nested with on metallic rod (12), its upper end of this buffer spring (13) is inconsistent with the spring base nut (28) of screw rod (11) bottom, and its lower end contacts mutually and is nested with on metallic rod (12) with fixed block (14) upper end.