CN201033231Y

CN201033231Y - Shock-proof device

Info

Publication number: CN201033231Y
Application number: CNU2007200521004U
Authority: CN
Inventors: 李明贤
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-29
Filing date: 2007-05-29
Publication date: 2008-03-12
Anticipated expiration: 2017-05-29
Also published as: JP3143876U

Abstract

The utility model relates to the technical field of anti earthquake products, in particular to an anti earthquake device applicable to alpenstock, crutch and other wands, which comprises a first pole body and a second pole body linked mutually; a core shat is arranged at the linking end of the first pole body, which is movably suited with a compressed spring on its external extended segment; the external extended segment of the core shaft and the compressed spring are suited into a mid hole of the second pole body; the mid hole is internally provided with annular step topside compressed spring, thus enabling the first pole body to float with the second pole body; a cap nut is movably sleeved at periphery of the first pole body, which is spinning connected with an external screw thread of the second pole body and then relatively connects the two ole body. The utility model has the advantages of simple structure, convenient process, good intensity and ant earthquake performance, easy assembly and disassembly, which, by connected through suiting into the core shaft and connecting the two pole bodies in rotary through linking the cap nut with the external screw thread in rotation, is favorable for disassembling and assembling; in addition, the utility model is convenient for maintenance, thus extending its the service life.

Description

A kind of shock absorbing apparatus

Technical field:

The utility model relates to the shock-absorbing product technical field, refers in particular to a kind ofly applicable on the cane bars such as alpin-stock, crutch, is used for the shock absorbing apparatus of shock-absorbing.

Background technology:

Cane such as alpin-stock, crutch bar plays the supplemental support health in use, keeps one's balance, and effects such as preceding action edge are provided.For the vibrations that prevent and produced when reducing the use of alpin-stock, crutch, generally on alpin-stock, crutch, be combined with shock absorbing apparatus, the seismic wave that can avoid the end that contacts to earth of alpin-stock, crutch to produce by the shock-absorbing of shock absorbing apparatus passes on hand along the cane bar, improves security and comfortableness.Yet there is following defective in the existing shock absorbing apparatus that is used on alpin-stock, the crutch: 1, structural not good, assemble stable is bad between the assembly, easily breaks down and cause can not shock-absorbing, loses its due effect.2, dismounting inconvenience, the influence assembling is used and is keeped in repair.

Summary of the invention:

It is a kind of simple in structure that the purpose of this utility model is to provide, and is easy to dismounting, and composite structural is good, and shock-absorbing is remarkable, applicable to the shock absorbing apparatus of cane bars such as alpin-stock, walking stick.

The utility model is achieved through the following technical solutions: be first body of rod and second body of rod that includes mutual linking, be provided with the mandrel of an axial evagination in the cohesive end of first body of rod, mandrel is gone up movable sleeve for overhanging section and is connected to the compression spring; Be provided with the mesopore of axial indent in the cohesive end of second body of rod, overhanging section of mandrel and compression spring are inserted in the mesopore of second body of rod together, be provided with ring-shaped step and prop up the roof pressure spring that contracts in mesopore, take this to obtain the unsteady relation of relative second body of rod of first body of rod; One nut cap is actively socketed on the periphery of first body of rod, and be provided with restricted screens in the periphery of first body of rod and limit outside the nut cap and take off, the second corresponding body of rod cohesive end periphery is provided with external screw thread, nut cap spin second body of rod external screw thread and be connected first body of rod is relative with second body of rod.

Ring-shaped step among described second body of rod in the hole can with the one-body molded making of second body of rod, or constitute by a built-in metal pipe or non-metallic pipe.

Described compression spring is general spring or slimwaist type spring.

Be compared with the prior art, the beneficial effect that the utlity model has is: 1, simple in structure, easy to process, and intensity is good, mandrel is fixed on first body of rod and is integral, by being inserted in behind the mandrel socket one compression spring among second body of rod in the hole, the end that is inserted in of mandrel is flexible coupling with second body of rod again, can produce unsteady effect by the telescopic resilience of compression spring, thereby realize the unsteady relation of relative second body of rod of first body of rod, obtain the effect of shock-absorbing thus.2, easy accessibility is inserted in linking by mandrel, and first body of rod is relative with second body of rod is connected utilizing nut cap and externally threaded spiral to connect can to realize, is beneficial to outside the dismounting, but also convenient for maintaining maintenance, so that increase the service life.

Description of drawings:

Accompanying drawing 1 is the structural representation of the utility model;

Accompanying drawing 2 is applied to schematic diagram on the alpin-stock for the utility model;

Accompanying drawing 3 is the partial structurtes decomposing schematic representation of Fig. 2;

Accompanying drawing 4 is used in combination the profile schematic diagram for Fig. 3's;

Accompanying drawing 5 is the combining structure cutaway view of Fig. 3;

Accompanying drawing 6 is applied to schematic diagram on the crutch for the utility model;

Accompanying drawing 7 is the partial structurtes decomposing schematic representation of Fig. 6;

The combining structure cutaway view of accompanying drawing 8 Fig. 7.

The specific embodiment:

Below in conjunction with accompanying drawing the utility model is described further:

See shown in the accompanying drawing 1 that the utility model mainly comprises first body of rod 10 and second body of rod 20 of mutual linking, be provided with the mandrel 30 of an axial evagination in the cohesive end of first body of rod 10, movable sleeve is connected to compression spring 40 on overhanging section 31 of the mandrel; Be provided with the mesopore 21 of axial indent in the cohesive end of second body of rod 20, overhanging section 31 of mandrel and compression spring 40 are inserted in the mesopore 21 of second body of rod 20 together, in mesopore 21, be provided with 22 roof pressures of ring-shaped step spring 40 that contracts, the other end of compression spring 40 takes this to obtain the unsteady relation of first body of rod, 10 relative second bodies of rod 20 by 32 tops of shoulder of mandrel 30 itself.

One nut cap 50 is actively socketed on the periphery of first body of rod 10, and be provided with restricted screens 11 in the periphery of first body of rod 10 and limit outside the nut cap 50 and take off, corresponding second body of rod, 20 cohesive end peripheries are provided with external screw thread 23, nut cap 50 spin second body of rod 20 external screw thread 23 and with first body of rod 10 and the 20 relative linkings of second body of rod.

In the utility model, the ring-shaped step 22 among second body of rod 20 in the hole 21 can with the 20 one-body molded making of second body of rod; Certainly, also can constitute by a built-in metal pipe or non-metallic pipe, relative mesopore 21 inwalls of the end face of metal tube or non-metallic pipe stagger and form ring-shaped step 22, and the endoporus aperture of metal tube or non-metallic pipe is greater than the external diameter of 30 overhanging sections 31 of mandrels, so that mandrel can freely stretch in the hole 21 among second body of rod 20 for 30 overhanging sections 31, thereby realizes the shock-absorbing effect.Mandrel 30 can adopt metal material to make, or adopts hard plastic to make, and can suitably be provided with O type ring on mandrel 30 and second body of rod, 20 socket contact-making surfaces and 40 top bit of mandrel 30 and compression spring, thereby reduce friction and noise.

In the utility model, compression spring 40 can be general spring or is the slimwaist type spring, and it is big that the slimwaist type spring is two ends, middle part slight of stature is socketed in outside the mandrel 30 on the section of stretching 31, can not interfere with the inwall in hole 21 among second body of rod 20 during use, dexterity of action is good, improves shock-proof effect.

Fig. 2～5 are applied in structural representation on the alpin-stock for the utility model; Shock absorbing apparatus is arranged on the front end (end promptly contacts to earth) of alpin-stock, at this moment, first body of rod 10 is the epimere of alpin-stock, and second body of rod 20 is the hypomere of alpin-stock, first body of rod, 10 upper ends are provided with handgrip, are combined with mandrel 30 in first body of rod, 10 lower ends, and mandrel 30 is a metalwork, it can adopt the injection molded and first body of rod 10 to be fixed together, and also can adopt inserted and first body of rod 10 to be fixed together.Mandrel 30 can suitably be provided with O type ring with the position that parts such as first body of rod 10, second body of rod 20 and compression spring 40 contact, and reduces friction and noise, improves to connect effect.One shaft shoulder 32 is arranged on the mandrel 30, the upside of the shaft shoulder 32 forms screens 11 restriction nut caps 50 outer taking off, and the downside of the shaft shoulder 32 props up the roof pressure spring 40 that contracts, overhanging section 31 socket compression spring 40 by the shaft shoulder 32 is extended outwardly compresses spring 40 and leads straight location, is unlikely to compress spring 40 distortions, guarantee to compress the flexible work of spring 40 axis, in the present embodiment, overhanging section 31 length is slightly shorter than the original length of compression spring 40, obtains preferable anti-vibration structure thus.

Shown in Figure 5, overhanging section 31 and compression bullet 40 are inserted among second body of rod 20 in the hole 21, ring-shaped steps 22 in the mesopore 21 are roof pressure spring 40 other ends that contract just, so that obtain the unsteady relation of first body of rod, 10 relative second bodies of rod 20, but promptly between the two axis relatively move.When second body of rod, 20 kiss the earths were subjected to impacting, characteristic shock-absorbing and the buffering of utilizing compression bullet 40 to stretch can not pass to hand thereby guarantee to shake, and avoid pain, improve security and comfortableness.

After overhanging section 31 and compression bullet 40 were inserted among second body of rod 20 in the hole 21, mobile nut cap 50 was to front end, and it is connected with the external screw thread 23 of second body of rod 20, relativity with first body of

rod

10 and 20 linkings of second body of rod, make them not separated.Nut cap 50 is by the screens on first body of rod 10 11 restriction, thereby prevents that relatively first body of rod 10 breaks away from second body of rod 20, and first body of rod 10 still relatively nut cap 50 stretch out towards second body of rod, 20 directions, consequently satisfy the requirement of shock-absorbing work.

Fig. 6～8 are applied to schematic diagram on the crutch for the utility model; Shock absorbing apparatus is arranged on the upper end of crutch, i.e. handgrip and mobile jib junction.At this moment, first body of rod 10 is the mobile jib of crutch, and second body of rod 20 is the handgrip of crutch, and concrete structure setting, connection and action relationships are given unnecessary details at this no longer one by one with above-mentioned consistent.Utilize the shock absorbing apparatus shock-absorbing, can prevent to shake and pass on the handgrip, improve comfortableness and the security used.

The utility model is simple in structure, easy accessibility, and cost of manufacture is low, and is structural good, can fit Be used for the cane bars such as alpin-stock, crutch, have good shock-proof effect.

Claims

1. shock absorbing apparatus comprises it is characterized in that first body of rod and second body of rod of mutual linking:

Be provided with the mandrel of an axial evagination in the cohesive end of first body of rod, mandrel is gone up movable sleeve for overhanging section and is connected to the compression spring; Be provided with the mesopore of axial indent in the cohesive end of second body of rod, overhanging section of mandrel and compression spring are inserted in the mesopore of second body of rod together, be provided with ring-shaped step and prop up the roof pressure spring that contracts in mesopore, take this to obtain the unsteady relation of relative second body of rod of first body of rod;

One nut cap is actively socketed on the periphery of first body of rod, and be provided with restricted screens in the periphery of first body of rod and limit outside the nut cap and take off, the second corresponding body of rod cohesive end periphery is provided with external screw thread, nut cap spin second body of rod external screw thread and be connected first body of rod is relative with second body of rod.

2. a kind of shock absorbing apparatus according to claim 1 is characterized in that: the ring-shaped step among described second body of rod in the hole can with the one-body molded making of second body of rod, or constitute by a built-in metal pipe or non-metallic pipe.

3. a kind of shock absorbing apparatus according to claim 1 is characterized in that: described compression spring is general spring or slimwaist type spring.