CN104806155A

CN104806155A - Ladder for pruning in garden

Info

Publication number: CN104806155A
Application number: CN201510089554.8A
Authority: CN
Inventors: 徐浩钟
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-02-27
Filing date: 2015-02-27
Publication date: 2015-07-29

Abstract

The invention discloses a ladder for pruning in a garden. A hole seat is fixed on a base plate of the ladder, a movable pin is connected with the hole seat and a movable seat, the angle between the base plate and the movable seat is locked by a locking screw, the outer conical surface at the lower end of each upright column is matched with an inner conical surface of an inner conical hole of the movable seat or a lower upright column to be fixed, and an annular locking groove in the outer conical surface is matched with a locking pin to lock the well attached inner conical surface and the outer conical surface automatically after the inner conical hole and the outer conical surface are matched and fixed. Foldable pedals capable of being folded towards one end of a connecting head of each upright column are fixed on the surface of the column body of the upright column, and an antiskid adhesive is attached to the bottom of the base plate. The ladder for pruning in the garden is simple in structure, quite convenient to manufacture, assemble and use and portable; no tool is needed for assembling and disassembling processes for use, the problem about vertical climbing and standing of a gardener for garden management during branch pruning is solved, and the ladder is assembled quickly, safely and reliably during climbing and is convenient to climb; after use, the ladder is convenient to disassemble, package and transport.

Description

Prune garden ladder

Technical field

The pruning garden ladder of uprightly climbing when the present invention relates to a kind of gardener clipped branch for garden management.

Background technology

When the trees in gardens grow unnecessary branch, the gardener of management is hung on branch or stands on branch to cut down branch or pollard, causes danger during pollard to happen occasionally, there is great potential safety hazard.Meanwhile, for branch or trunk can't grantee weight and the trees having looked higher than people much have no idea to prune at all.

Summary of the invention

The object that the present invention relates to is to provide a kind of being beneficial to carry, be convenient to the pruning garden ladder of laying, assemble and climbing and manufacture thereof and method.

For achieving the above object, pruning garden ladder of the present invention comprises chassis, hole seat, lock bolt, removable pin, sliding seat, column body, male cone (strobilus masculinus), Inner taper hole, inner conical surface, locking system;

Described pruning garden ladder is the ladder of single column support type, and the pedestal of carrying ladder is chassis, and the cradle head of ladder is hole seat and the sliding seat of removable pin connection, and the cylinder supporting ladder is column body, has foot-operated in the both sides of column body;

Porose seat is fixed on described chassis, hole seat there are pin-and-hole and locking screw, removable pin links together hole seat and sliding seat through the pin-and-hole of the pin-and-hole on the seat of hole and sliding seat bottom, and the screw end exceeding the lock bolt of locking screw after the locking screw on lock bolt advances through hole seat is pressed in the lower part locking sliding seat of sliding seat and the fit angle on chassis; Inner taper hole and locking hole is had above described sliding seat, below Inner taper hole or the inside have air gap groove, sliding seat is coordinated with the male cone (strobilus masculinus) of column body lower end by Inner taper hole and is fixed, and is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post by the locking head of the annular lock groove on male cone (strobilus masculinus) with the lock pin through inner conical surface being arranged on sliding seat upper part; Inner taper hole and locking hole is had in the connection head end of column body upper end, there is air gap groove below Inner taper hole or the inside, the male cone (strobilus masculinus) of column body lower end inserts in the Inner taper hole in the connector of a root post body below, coordinated with the male cone (strobilus masculinus) of column body lower end by Inner taper hole and fix, and being coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post by the locking head of the annular lock groove on male cone (strobilus masculinus) with the lock pin be arranged on through inner conical surface in connector; Be fixed with the foot-operated of the folding that can draw in one end of the connector of column body in the damaged surface of column body, foot-operated upper cover has or is stained with skid-proof rubber.

Described column body has the lower end of male cone (strobilus masculinus) to insert in the Inner taper hole in the middle part of sliding seat, or, column body has the lower end of male cone (strobilus masculinus) to insert in the Inner taper hole in the connector of a root post body upper end below, male cone (strobilus masculinus) there is annular lock groove coordinate with the locking head of lock pin, then lock coordinating of inner conical surface and male cone (strobilus masculinus).

Described Inner taper hole is the hole having tapering, has inner conical surface in Inner taper hole.Inner taper hole in described sliding seat coordinates with the male cone (strobilus masculinus) of the lower end of column and fixes, and the Inner taper hole on connector coordinates with the male cone (strobilus masculinus) of the lower end of another root post and fixes; Described Inner taper hole is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the locking head of lock pin by the annular lock groove on male cone (strobilus masculinus) after coordinating with male cone (strobilus masculinus) and fixing.In order to enable Inner taper hole and male cone (strobilus masculinus) close fit, the tapering of described Inner taper hole is consistent with the tapering of male cone (strobilus masculinus).

Described locking system comprises locking hole, lock pin, locking spring, force bearing disk, annular lock groove, and described locking hole, on the upper part and connector of sliding seat, is horizontally installed with force bearing disk, locking spring and lock pin in locking hole; Described force bearing disk is fixed on the middle part of lock pin, is arranged on the middle part of locking hole; Described locking spring is arranged on the middle part that the large part of the middle aperture of locking hole is enclosed within lock pin, on the wall of the part that the middle aperture that one end withstands on force bearing disk, the other end withstands on locking hole is large or withstand on the jump ring of the little part in the aperture of locking hole of one end of the pin handle being fixed on lock pin; The lateral surfaces that locking spring is passed at middle part, two ends are each passed through the inner conical surface of connector or sliding seat and the lateral surfaces of sliding seat or connector of described lock pin, lock pin can slide in locking hole, and locking spring is pressed in the locking head and annular locking slot fit that force bearing disk promote lock pin and forms locking; Described male cone (strobilus masculinus) there is annular lock groove coordinate and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the locking head of lock pin.

Described chassis is disking body or is in strip interconnection shape, disking body or be in strip the fixing above porose seat of middle part of interconnection shape, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described chassis is used for fixed hole seat, stabilizer column and support post and bears all wt that hole seat bears, and prevents the lower end of column body to be absorbed in earth; Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents chassis from sliding on the ground with ground resulting in friction.

Described hole seat supports and installs the supporter of removable pin, supporter has pin-and-hole and locking screw, and pin-and-hole is for installing and fixing removable pin bear all wt that removable pin bears.

Near the pin-and-hole of described locking screw on the seat of hole, for assembling lock bolt and purl screw can be rotated in locking screw, the screw end of lock bolt is made to be pressed in the lower part locking sliding seat of sliding seat and the fit angle on chassis.

Described lock bolt is screw, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of sliding seat.

Described removable pin is pivot pin or bolt, bears for connecting hole seat and sliding seat all wt that sliding seat bears.

Described sliding seat is Connection Block, lower part has horizontal pin-and-hole, there is Inner taper hole the upper end of upper part, between the surface of sliding seat upper part and Inner taper hole, have locking hole, there is air gap groove below Inner taper hole or the inside, Inner taper hole and air gap groove directly through; The center line of described pin-and-hole is with the central axis of Inner taper hole or close to vertical; Being connected with hole seat below by removable pin of sliding seat, be connected with column by Inner taper hole above; Described sliding seat is used for all wt that stabilizer column and support post and column bear.

Described column body is the cylinder that there is male cone (strobilus masculinus) one end, the other end has Inner taper hole, comprises connector and column two parts, is fixed with the foot-operated of the folding that can draw in one end of the connector of column body in the damaged surface of column body; Described column body is that connector and column are fixed together the entirety formed or the entirety be inherently connected; Column does not have one end of male cone (strobilus masculinus) and connector not to have one end of Inner taper hole to be connected or is fixed together to form entirety.The end face of one end of described connector has Inner taper hole, and there is air gap groove the inside of Inner taper hole, between the surface of connector and Inner taper hole, have locking hole.Annular lock groove is had at the mid portion of the male cone (strobilus masculinus) of column, described annular lock groove is the dovetail groove of annular, the annular locking limit of annular lock groove be the facing directly of annular, with the central axis of column body, corresponding with the position of locking hole, for coordinating with facing directly of locking head and produce locking effect, then the locked inner conical surface that posts and male cone (strobilus masculinus), and then make connector and column body and sliding seat and the fixation of column body.

Described air gap groove in the inside of Inner taper hole, for column male cone (strobilus masculinus) end insert Inner taper hole time not inconsistent with the bottom of Inner taper hole, be convenient to the close fit of inner conical surface and male cone (strobilus masculinus).

Described foot-operatedly comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole be fixed on Body of pillar, connecting pin is the pin connecting hanger and riding boogie board, riding boogie board cylinder or flat plate, be stained with skid-proof rubber on the surface of riding boogie board or have antiskid glue sleeve at the surface of riding boogie board cover, the skid-proof rubber on foot-operated plays and prevents from riding up anti-skidding effect.

Described locking hole is independent cavity, in sliding seat and in one end of the connector of column, mid portion and wear out that the aperture of leg surface is large, aperture that the one end, the inside in hole is stretched out for the locking head of lock pin is little, communicate with locking hole, corresponding with the position of the annular lock groove on male cone (strobilus masculinus), the large part of the median pore radius of locking hole is for installing the housing with the mating shapes of locking hole; In locking hole, be inlaid with the housing with the mating shapes of locking hole, housing exposes or does not expose the damaged surface of column in locking hole; When housing exposes the damaged surface of column, the one end of exposing the damaged surface of column connects with screw or rivets or be welded on the damaged surface of column; When housing does not expose the damaged surface of column, connect with screw or rivet or weld or be fixed in locking hole with jump ring; The inside and outside two ends of described housing manufacture porose, lock pin, locking spring, force bearing disk are installed in housing, force bearing disk is arranged on the middle part of lock pin, locking spring is arranged between force bearing disk and housing, stretches out, locking head stretches out from the hole of the inner face of housing after the pin handle of lock pin passes from the centre of locking spring from the hole of housing outer face.Described housing for installing lock pin and locking spring, and lock pin can be moved in housing.

Described lock pin is that comprise locking head, middle part and pin handle three part, three parts are connected with the bar of pin handle and locking head or rod or block; The middle part of lock pin in the locking hole of the large mid portion in the aperture of locking hole through after locking spring, locking head to put in again after laterally entering Inner taper hole in the annular lock groove on male cone (strobilus masculinus) and with annular locking slot fit, pin shank portion crosses out the connector surface of column body or crosses out the surface of upper part of sliding seat; The leading section of described locking head be acute angle bevel with face directly the shape of composition, towards the one side of the small end of Inner taper hole be face directly, acute angle bevel retreats for allowing the end of male cone (strobilus masculinus) end of column and male cone (strobilus masculinus) oblique promotion locking head, faces directly for coordinating locked male cone (strobilus masculinus) of working good and inner conical surface with the annular groove limit of facing directly of annular lock groove.

Described force bearing disk is the porose pad in the centre be fixed on lock pin, or a projection on lock pin; When described chuck is pad, be fixed on the mid portion of lock pin; Force bearing disk is for bearing the thrust of promotion spring and passing to lock pin.

Described locking spring is helical spring, the annular locking slot fit on the locking head that promotes lock pin and male cone (strobilus masculinus) and complete automatic locking.

Described annular lock groove is the trapezoidal annular groove lower than male cone (strobilus masculinus), the male cone (strobilus masculinus) of column body lower end coordinates with lock pin and completes self-locking, corresponding with the position of locking hole, and the one side near post end is locking face; Described locking face is used for coordinating with facing directly of the brake head of lock pin and producing locking effect; The angle considering to insert is not needed when described annular lock groove is for allowing the locking head of lock pin insert annular lock groove, coordinate with lock pin and the locked inner conical surface that posts and male cone (strobilus masculinus), so make column body and the fixation of column body and sliding seat and with the fixation of column body.

The inner conical surface of described Inner taper hole is used for coordinating with male cone (strobilus masculinus) and installing column body, realize sliding seat and column body the fixing fast of fixing and column body and column body fast, be beneficial to the quick assembling of column body and quick demolition, play Fast Installation and effect fixing fast; And then make column body and connector and column body and sliding seat fixation respectively.

In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described column body and the connection between sliding seat and column body and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) of column body, in the Inner taper hole of sliding seat, is coordinated with lock pin by the annular lock groove on male cone (strobilus masculinus) and pins and lock the male cone (strobilus masculinus) of column with coordinating of the inner conical surface of sliding seat and do not loosen; The male cone (strobilus masculinus) of column body, in the Inner taper hole of connector, is coordinated with lock pin by the annular lock groove on male cone (strobilus masculinus) and pins and lock the male cone (strobilus masculinus) of column and do not loosen with coordinating of the inner conical surface of connector.During assembling, inner conical surface and male cone (strobilus masculinus) are at the gravity born and press tighter and tighter under the effect of column body self gravitation and realize automatic fastening; During demolition, pull the pin handle of lock pin, after the locking head of lock pin front end exits the annular lock groove on male cone (strobilus masculinus), column body upwards one is lifted male cone (strobilus masculinus) and automatically will be separated with Inner taper hole.

The conical surface comprises inner conical surface and male cone (strobilus masculinus), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part.

In order to can tilt ground on support post body, when chassis is arranged on smooth ground, the central axis of sliding seat, in chassis, ensure that the column body be arranged in sliding seat is vertical or near perpendicular to horizontal plane; When chassis is arranged on the ground of inclination, sliding seat can rotate certain angle around removable pin on chassis, ensure that the column body be arranged in sliding seat is vertical or near perpendicular to horizontal plane.

Removable pin is adopted to be fastened on hole seat on chassis and sliding seat, make sliding seat can rotate certain angle around removable pin on chassis, reach when chassis is arranged on the ground of inclination and ensure that the column body be arranged in sliding seat keeps the object perpendicular to horizontal plane.

In order to make the assembling of pruning garden ladder quick, chassis, hole seat, removable pin and sliding seat are the parts of entirety or the dispersion fitted together.

In order to can the locking inner conical surface of working good and male cone (strobilus masculinus) not loosen, the inner conical surface that described locking hole, lock pin, force bearing disk, locking spring and annular lock groove composition locking system is locked works good and male cone (strobilus masculinus).

In order to reduce costs and alleviate the weight of ladder, described sliding seat and column body are hollow bodies; Described column body is individual layer or multilayer in the combination of ladder, and sliding seat is individual layer in the combination of ladder.

In order to ensure that column body is all the time perpendicular to horizontal plane, adopt lock bolt to produce by rotation forces sliding seat and hole seat the angle angle that frictional force fixes sliding seat and chassis, when chassis is arranged on the ground of inclination, ensure that the column body be arranged in sliding seat remains perpendicular to horizontal plane.

In order in use can Rapid Combination and facilitate pin to step on, described column body be combined into global facility with foot-operated, can assembly fast when being beneficial to use; The described fixing employing pin ridden on column body is connected and fixed, and rides one end be merely able to connector on column body and draws in, makes pin step down in landing downwards when riding upper.

Prune the assemble method of garden ladder: during assembling, A, on the ground place fit together chassis, hole seat, removable pin and sliding seat, chassis on ground, sliding seat is above, again the lower end of the column having male cone (strobilus masculinus) is inserted in the Inner taper hole of sliding seat, under the effect of self gravitation, the male cone (strobilus masculinus) of column and the inner conical surface of sliding seat are naturally fitted and fix, and the gravity depressed from column is larger, and it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; Insert in the process of Inner taper hole at the male cone (strobilus masculinus) of column, the front end of male cone (strobilus masculinus) enter into the position of locking head and acute angle bevel on oblique promotion locking head time, the front end oblique promotion locking head of male cone (strobilus masculinus) compresses locking spring and outwards makes a concession, and the front end of male cone (strobilus masculinus) passes through the position of locking head; When the male cone (strobilus masculinus) of column contacts firm with the inner conical surface of the Inner taper hole of sliding seat, annular lock groove on male cone (strobilus masculinus) is right through the position of locking head, locking head enters in annular lock groove under the powered of locking spring, the facing directly of locking head to face directly with the annular of annular lock groove coordinate the inner conical surface of fitting and male cone (strobilus masculinus) locked, male cone (strobilus masculinus) can not be retreated, complete the fixing and locking of column body and sliding seat.B, move the upper end of column body of inserting sliding seat and make uprights vertical in horizontal plane, lock bolt again on rotation hole seat compresses sliding seat, sliding seat can not be rotated around removable pin, then make all column bodies in sliding seat all keep perpendicular to horizontal plane, and the angle allowing chassis and sliding seat be formed remain unchanged after being completely fixed.One end of male cone (strobilus masculinus) is again had by an other root post body to insert in the Inner taper hole of connector in Inner taper hole in connector on C, column body again on sliding seat, under the effect of self gravitation, the male cone (strobilus masculinus) of column and the inner conical surface of connector are naturally fitted and fix, and the gravity depressed from column is larger, it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; Insert in the process of Inner taper hole at the male cone (strobilus masculinus) of column, the front end of male cone (strobilus masculinus) enter into the position of locking head and acute angle bevel on oblique promotion locking head time, the front end oblique promotion locking head of male cone (strobilus masculinus) compresses locking spring and outwards makes a concession, and the front end of male cone (strobilus masculinus) passes through the position of locking head; When the male cone (strobilus masculinus) of column contacts firm with the inner conical surface of the Inner taper hole of connector, annular lock groove on male cone (strobilus masculinus) is right through the position of locking head, locking head enters in annular lock groove under the powered of locking spring, the facing directly of locking head to face directly with the annular of annular lock groove coordinate the inner conical surface of fitting and male cone (strobilus masculinus) locked, male cone (strobilus masculinus) can not be retreated.When the column body composition of D, employing multilayer prunes garden ladder, repeat the male cone (strobilus masculinus) again inserting column in the Inner taper hole of column body upper end of step C, afterwards, the male cone (strobilus masculinus) of another root post body can insert in the Inner taper hole of a root post body below by Using such method again, completes being connected and fixed and locking between column body and column body.The assembling of column body and sliding seat and column body and column body is very convenient, just can complete without any need for instrument.

Prune the method for dismounting of garden ladder: during the column body of dismountable, pull the pin handle of lock pin, after the locking head of lock pin front end exits the annular lock groove on male cone (strobilus masculinus), column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole in the connector of a root post body below, and the male cone (strobilus masculinus) of column body will separate automatically with the Inner taper hole of the connector of a root post body below.During the column body that dismounting sliding seat is fixed, pull the pin handle of lock pin, after the locking head of lock pin front end exits the annular lock groove on male cone (strobilus masculinus), column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole of sliding seat, and column body will separate automatically with sliding seat.The dismounting of column body and sliding seat and column body and column body is very convenient, just can complete without any need for instrument.

Gardener is when arranging gardens, run into when having trees to need pollard, first the chassis fitted together, hole seat, removable pin and sliding seat are placed on the ground, after sliding seat is plugged the first root post body, the upper end of moving the column body inserting sliding seat makes uprights vertical in horizontal plane, screw lock bolt again and compress sliding seat, sliding seat can not be rotated around removable pin, then make all columns in sliding seat all keep perpendicular to horizontal plane; Again needing the column body of height to take with oneself, pin steps down in riding on column body and climbs up, one section of assembling one length of tape can be climbed and have foot-operated column body, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a root post body in superincumbent Inner taper hole again.During descending stair, pin is down climbed on stepping down in and riding, and next section tears a root post body open, very convenient.

The manufacture method of described pruning garden ladder, is characterized in that:

During fabrication, chassis, hole seat, sliding seat and column body adopt the aluminium alloys of light weight or the plastics manufacture of titanium alloy or carbon alloy or glass-reinforced plastic material or high strength, create hollow body or solid; Lock pin adopts the plastics manufacture of metal material or glass-reinforced plastic material or high strength.

Described chassis creates dish type or bar shaped cross-like, the middle part of dish type or or bar shaped cross-like middle part on fix porose seat, the middle part of dish type or or bar shaped cross-like pars intermedia below fixing or be stained with skid-proof rubber.

Described hole seat creates the supporter supporting and install removable pin, and supporter manufactures pin-and-hole and locking screw.

Described locking screw is manufactured near the pin-and-hole on the seat of hole, is equipped with lock bolt in locking screw.

Described lock bolt creates screw, can rotate in locking screw.

Described chassis and hole seat manufacture as a whole, or the formation entirety that is fixed together after separately manufacturing.

Removable pin creates pivot pin or bolt, is fixed on the seat of hole and is connected with sliding seat.

Described sliding seat creates Connection Block, lower part manufacture has horizontal pin-and-hole, the upper end of upper part manufactures Inner taper hole, internal taper hole creates the hole of tapering, below Inner taper hole or the inside manufacture have air gap groove, Inner taper hole and air gap groove directly through, between the surface of sliding seat upper part and Inner taper hole, manufacture locking hole; The center line of described pin-and-hole is with the central axis of Inner taper hole or close to vertical; Being connected with hole seat below by removable pin of sliding seat, being connected with column body by Inner taper hole and locking bar above and fixing.

Described chassis, hole seat, removable pin and sliding seat are assembled into an independent entirety, are beneficial to rapid-assembling and prune garden ladder.

Described column system causes cylinder, creates column and connector two parts, and column and connector two parts manufacture as a whole or are fixed together into as a whole after manufacturing respectively; Be fixedly connected with can be close to the foot-operated of the cylinder of column to the gathering of connector direction in the damaged surface pin of column body, have male cone (strobilus masculinus) in the stud end manufacture of column body, the ring surface of male cone (strobilus masculinus) manufactures the annular lock groove having depression; Manufacture in the end of the connection head end of column body and have Inner taper hole, Inner taper hole creates the hole of tapering, and manufacturing below Inner taper hole has air gap groove, between the surface of connector and Inner taper hole, manufacture locking hole.Described annular lock groove creates the dovetail groove of annular, and the annular locking limit of annular lock groove creates the facing directly of annular, central axis with column body, corresponding with the position of locking hole.

Lock pin creates locking head, middle part and pin handle three part, three parts create one, lock pin is arranged in locking hole through after locking spring, locking head to put in again after laterally entering Inner taper hole in the annular lock groove on male cone (strobilus masculinus) and with annular locking slot fit, pin shank portion crosses out the damaged surface of column; The leading section of described locking head create sharp acute angle bevel with face directly composition shape, to create towards the one side of air gap groove and face directly.

Described foot-operatedly create hanger, connecting pin and riding boogie board three part, hanger creates the pedestal be fixed on Body of pillar, connecting pin creates the pin connecting hanger and riding boogie board, riding boogie board creates the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board.

Described locking hole is manufactured between the surface on sliding seat top and Inner taper hole with in the connector surface being manufactured on column body and Inner taper hole, create independent hole, the mid portion of locking hole and wear out leg surface for install the aperture that manufactures with the housing parts of the mating shapes of locking hole greatly, the aperture that manufactures for the locking head extension of lock pin, the one end, the inside in hole is little, communicate with locking hole, corresponding with the position of the annular lock groove on male cone (strobilus masculinus).Can also be inlaid with the housing with the mating shapes of locking hole in the locking hole manufactured separately, housing exposes or does not expose the damaged surface of column in locking hole; When housing exposes the damaged surface of column, the one end of exposing the damaged surface of column connects with screw or rivets or be welded on the damaged surface of column; When housing does not expose the damaged surface of column, connect with screw or rivet or weld or be fixed in locking hole with jump ring; The inside and outside two ends of described housing manufacture porose, lock pin, locking spring, force bearing disk are installed in housing, force bearing disk is arranged on the middle part of lock pin, locking spring is arranged between force bearing disk and housing, stretches out, locking head stretches out from the hole of the inner face of housing after the pin handle of lock pin passes from the centre of locking spring from the hole of housing outer face.

Force bearing disk creates middle porose card, is fixed on lock pin.

Force bearing disk creates pad, or creates a projection on lock pin; When described chuck creates pad, be fixed on the mid portion of lock pin; Chuck is for bearing the thrust of promotion spring and passing to lock pin.

Locking spring creates helical spring.

Force bearing disk is fixed on the middle part of lock pin, the pin handle of lock pin from the surface on the surface or connector of stretching out sliding seat after the central part of locking spring passes, locking head stretches out from the inner conical surface of Inner taper hole, one end of locking spring is pressed on force bearing disk, the other end withstands on locking hole or withstand on the jump ring that is fixed in locking hole.

Annular lock groove causes trapezoidal annular groove lower than male cone (strobilus masculinus), and the male cone (strobilus masculinus) being manufactured on column body lower end coordinates with lock pin and completes self-locking, corresponding with the position of locking hole, the one side of close post end causes locking face.

The connection of column body and sliding seat and column body and column body and fixingly all adopt cone match, the conical surface creates inner conical surface and male cone (strobilus masculinus), and inner conical surface and male cone (strobilus masculinus) create the taper surface of point; The cross section of the conical surface creates the polygonal conical surface, or creates the conical surface of circle or circular arc.

The consistent tapering that tapering and the tapering that male cone (strobilus masculinus) coordinates of Inner taper hole create.

Porose seat is fixed on described chassis, removable pin connecting hole seat and sliding seat, the Inner taper hole of described sliding seat coordinates with the male cone (strobilus masculinus) of the lower end of column body and fixes, the male cone (strobilus masculinus) of column body coordinates with the inner conical surface of the Inner taper hole of a root post body below and fixes, and Inner taper hole is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with lock pin by the annular lock groove on male cone (strobilus masculinus) after coordinating with male cone (strobilus masculinus) and fixing.Be fixed with the foot-operated of the folding that can draw in one end of the connector of column body in the damaged surface of column body, be stained with skid-proof rubber in the bottom on chassis.Column body connector surface and Inner taper hole between and between the surface of sliding seat and Inner taper hole, manufacture locking hole, force bearing disk, locking spring and lock pin are installed in locking hole, the middle part of lock pin is fixed with force bearing disk, the pin shank portion of lock pin from the surface of the protrusion circle stretched out after the central part of locking spring passes the surface of connector or sliding seat, locking head stretches out from the inner conical surface of Inner taper hole, one end of locking spring is pressed on the force bearing disk of lock pin, the other end withstands on locking hole.

The structure that the present invention prunes garden ladder is simple, manufacture, assemble and use very convenient, be easy to carry, instrument is not needed in assembly and disassembly process during use, the difficult problem that the gardener solving management gardens uprightly climbs when pollard and stands, during climbing, the speed of assembling ladder is fast, safe and reliable, climbing is convenient; After using, dismounting, packaging and convenient transportation.

Accompanying drawing explanation

Fig. 1 is the package assembly schematic diagram pruning garden ladder.

Fig. 2 is the structural representation of column body.

Fig. 3 is the sectional structure schematic diagram of sliding seat.

Fig. 4 is the schematic appearance that chassis and hole seat combine.

Fig. 5 is the schematic appearance that chassis and hole seat and sliding seat combine.

Shown in figure: sliding seat 1, column 2, connector 3, air gap groove 4, locking hole 5, lock pin 6, force bearing disk 7, locking spring 8, annular lock groove 9, male cone (strobilus masculinus) 10, inner conical surface 11, Inner taper hole 12, foot-operated 13, pin-and-hole 14, removable pin 15, chassis 16, hole seat 17, lock bolt 18.

Detailed description of the invention

The present invention prunes garden ladder and mainly comprises chassis 16, hole seat 17, lock bolt 18, removable pin 15, sliding seat 1, column body, male cone (strobilus masculinus) 10, Inner taper hole 12, inner conical surface 11, locking system;

Described pruning garden ladder is the ladder of single column support type, and the pedestal of carrying ladder is chassis 16, and the cradle head of ladder is hole seat 17 and the sliding seat 1 of removable pin 15 connection, and the cylinder supporting ladder is column body, has foot-operated 13 in the both sides of column body.

Porose seat 17 is fixed on described chassis 16, hole seat 17 there are pin-and-hole 14 and locking screw, removable pin 15 links together hole seat 17 and sliding seat 1 through the pin-and-hole 14 of the pin-and-hole 14 on hole seat 17 and sliding seat 1 bottom, and the screw end exceeding the lock bolt 18 of locking screw after the locking screw on lock bolt 18 advances through hole seat 17 is pressed in the lower part locking sliding seat 1 of sliding seat 1 and the fit angle on chassis 16; Inner taper hole 12 and locking hole 5 is had above described sliding seat 1, below Inner taper hole 12 or the inside have air gap groove 4, sliding seat 1 is coordinated with the male cone (strobilus masculinus) 10 of column body lower end by Inner taper hole 12 and fixes, and is coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post by the locking head of the annular lock groove 9 on male cone (strobilus masculinus) 10 with the lock pin 6 through inner conical surface 11 being arranged on sliding seat 1 upper part; Inner taper hole 12 and locking hole 5 is had in connector 3 end of column body upper end, there is air gap groove 4 below Inner taper hole 12 or the inside, the male cone (strobilus masculinus) 10 of column body lower end inserts in the Inner taper hole 12 in the connector 3 of a root post body below, coordinated with the male cone (strobilus masculinus) 10 of column body lower end by Inner taper hole 12 and fix, and being coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post by the locking head of the annular lock groove 9 on male cone (strobilus masculinus) 10 with the lock pin 6 be arranged on through inner conical surface 11 in connector 3; Be fixed with foot-operated 13 of the folding that can draw in one end of the connector 3 of column body in the damaged surface of column body, on foot-operated 13, cover has or is stained with skid-proof rubber.

Described column body has the lower end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 in the middle part of sliding seat 1, or, column body has the lower end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 in the connector 3 of a root post body upper end below, male cone (strobilus masculinus) 10 there is annular lock groove 9 coordinate with the locking head of lock pin 6, then lock coordinating of inner conical surface 11 and male cone (strobilus masculinus) 10.

Described Inner taper hole 12 is the holes having tapering, has inner conical surface 11 in Inner taper hole 12.Inner taper hole 12 in described sliding seat 1 coordinates with the male cone (strobilus masculinus) 10 of the lower end of column 2 and fixes, and the Inner taper hole 12 on connector 3 coordinates with the male cone (strobilus masculinus) 10 of the lower end of another root post 2 and fixes; Described Inner taper hole 12 is coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the locking head of lock pin 6 by the annular lock groove 9 on male cone (strobilus masculinus) 10 after coordinating with male cone (strobilus masculinus) 10 and fixing.In order to make Inner taper hole 12 and male cone (strobilus masculinus) 10 can close fit, the tapering of described Inner taper hole 12 be consistent with the tapering of male cone (strobilus masculinus) 10.

Described locking system comprises locking hole 5, lock pin 6, locking spring 8, force bearing disk 7, annular lock groove 9, and described locking hole 5, on the upper part and connector 3 of sliding seat 1, is horizontally installed with force bearing disk 7, locking spring 8 and lock pin 6 in locking hole 5; Described force bearing disk 7 is fixed on the middle part of lock pin 6, is arranged on the middle part of locking hole 5; Described locking spring 8 is arranged on the middle part that the large part of the middle aperture of locking hole 5 is enclosed within lock pin 6, on the wall of the part that the middle aperture that one end withstands on force bearing disk 7, the other end withstands on locking hole 5 is large or withstand on the jump ring of the little part in the aperture of locking hole 5 of one end of the pin handle being fixed on lock pin 6; The lateral surfaces that locking spring 8 is passed at middle part, two ends are each passed through the inner conical surface 11 of connector 3 or sliding seat 1 and the lateral surfaces of sliding seat 1 or connector 3 of described lock pin 6, lock pin 6 can slide in locking hole 5, and locking spring 8 is pressed in locking head force bearing disk 7 promoting lock pin 6 and coordinates with annular lock groove 9 and form locking; Described male cone (strobilus masculinus) 10 there is annular lock groove 9 coordinate and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the locking head of lock pin 6.

Described chassis 16 is disking bodies or is in strip interconnection shape, disking body or be in strip the fixing above porose seat 17 of middle part of interconnection shape, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described chassis 16 is for fixed hole seat 17, stabilizer column 2 and support post 2 and bear all wt that hole seat 17 bears, and prevents the lower end of column body to be absorbed in earth; Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents chassis 16 from sliding on the ground with ground resulting in friction.

Described hole seat 17 supports and installs the supporter of removable pin 15, supporter has pin-and-hole 14 and locking screw, and pin-and-hole 14 is for installing and fixing removable pin 15 bear all wt that removable pin 15 bears.

Near the pin-and-hole 14 of described locking screw on hole seat 17, for assembling lock bolt 18 and purl screw can be rotated in locking screw, the screw end of lock bolt 18 is made to be pressed in the lower part locking sliding seat 1 of sliding seat 1 and the fit angle on chassis 16.

Described lock bolt 18 is screws, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of sliding seat 1.

Described removable pin 15 is pivot pin or bolt, bears for connecting hole seat 17 and sliding seat 1 all wt that sliding seat 1 bears.

Described sliding seat 1 is Connection Block, lower part has horizontal pin-and-hole 14, there is Inner taper hole 12 upper end of upper part, between the surface and Inner taper hole 12 of sliding seat 1 upper part, have locking hole 5, below Inner taper hole 12 or the inside has air gap groove 4, Inner taper hole 12 and air gap groove 4 directly through; The center line of described pin-and-hole 14 is with the central axis of Inner taper hole 12 or close to vertical; Being connected with hole seat 17 below by removable pin 15 of sliding seat 1, be connected with column 2 by Inner taper hole 12 above; The all wt that described sliding seat 1 is born for stabilizer column 2 and support post 2 and column 2.

Described column body is the cylinder that there is male cone (strobilus masculinus) 10 one end, the other end has Inner taper hole 12, comprises connector 3 and column 2 two parts, is fixed with foot-operated 13 of the folding that can draw in one end of the connector 3 of column body in the damaged surface of column body; Described column body to be connector 3 with column 2 the be fixed together entirety formed or the entirety be inherently connected; Column 2 does not have one end of male cone (strobilus masculinus) 10 and connector 3 not to have one end of Inner taper hole 12 to be connected or is fixed together to form entirety.The end face of one end of described connector 3 has the inside of Inner taper hole 12, Inner taper hole 12 to have air gap groove 4, has locking hole 5 between the surface of connector 3 and Inner taper hole 12.Annular lock groove 9 is had at the mid portion of the male cone (strobilus masculinus) 10 of column 2, described annular lock groove 9 is dovetail grooves of annular, the annular locking limit of annular lock groove 9 be the facing directly of annular, with the central axis of column body, corresponding with the position of locking hole 5, for coordinating with facing directly of locking head and produce locking effect, then the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10, and then make connector 3 and column body and sliding seat 1 and the fixation of column body.

Described air gap groove 4 is in the inside of Inner taper hole 12, not inconsistent with the bottom of Inner taper hole 12 when Inner taper hole 12 is inserted in male cone (strobilus masculinus) 10 end for column 2, is convenient to the close fit of inner conical surface 11 and male cone (strobilus masculinus) 10.

Described foot-operated 13 comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole be fixed on Body of pillar, connecting pin is the pin connecting hanger and riding boogie board, riding boogie board cylinder or flat plate, be stained with skid-proof rubber on the surface of riding boogie board or have antiskid glue sleeve at the surface of riding boogie board cover, the skid-proof rubber on foot-operated plays and prevents from riding up anti-skidding effect.

Described locking hole 5 is independent cavitys, in sliding seat 1 and in one end of the connector 3 of column 2, mid portion and wear out that the aperture on column 2 surface is large, aperture that the one end, the inside in hole is stretched out for the locking head of lock pin 6 is little, communicate with locking hole 5, corresponding with the position of the annular lock groove 9 on male cone (strobilus masculinus) 10, the large part of the median pore radius of locking hole 5 is for installing the housing with the mating shapes of locking hole 5; In locking hole 5, be inlaid with the housing with the mating shapes of locking hole 5, housing exposes or does not expose the damaged surface of column 2 in locking hole 5; When housing exposes the damaged surface of column 2, the one end of exposing the damaged surface of column 2 connects with screw or rivets or be welded on the damaged surface of column 2; When housing does not expose the damaged surface of column 2, connect with screw or rivet or weld or be fixed in locking hole 5 with jump ring; The inside and outside two ends of described housing manufacture porose, lock pin 6, locking spring 8, force bearing disk 7 are installed in housing, force bearing disk 7 is arranged on the middle part of lock pin 6, locking spring 8 is arranged between force bearing disk 7 and housing, stretches out, locking head stretches out from the hole of the inner face of housing after the pin handle of lock pin 6 passes from the centre of locking spring 8 from the hole of housing outer face.Described housing for installing lock pin 6 and locking spring 8, and lock pin 6 can be moved in housing.

Described lock pin 6 is that comprise locking head, middle part and pin handle three part, three parts are connected with the bar of pin handle and locking head or rod or block; The middle part of lock pin 6 in the locking hole 5 of the large mid portion in the aperture of locking hole 5 through after locking spring 8, locking head to put in after laterally entering Inner taper hole 12 in the annular lock groove 9 on male cone (strobilus masculinus) 10 again and coordinates with annular lock groove 9, and pin shank portion crosses out connector 3 surface of column body or crosses out the surface of upper part of sliding seat 1; The leading section of described locking head be acute angle bevel with face directly the shape of composition, towards the one side of the small end of Inner taper hole 12 be face directly, acute angle bevel retreats for allowing the end of male cone (strobilus masculinus) 10 end of column 2 and male cone (strobilus masculinus) 10 oblique promotion locking head, faces directly for coordinating locked male cone (strobilus masculinus) 10 of working good and inner conical surface 11 with the annular groove limit of facing directly of annular lock groove 9.

Described force bearing disk 7 is the porose pads in the centre be fixed on lock pin 6, or a projection on lock pin 6; When described chuck is pad, be fixed on the mid portion of lock pin 6; Force bearing disk 7 is for bearing the thrust of promotion spring and passing to lock pin 6.

Described locking spring 8 is helical springs, completes automatic locking for promoting the locking head of lock pin 6 to coordinate with the annular lock groove 9 on male cone (strobilus masculinus) 10.

Described annular lock groove 9 is the trapezoidal annular grooves lower than male cone (strobilus masculinus) 10, the male cone (strobilus masculinus) 10 of column body lower end coordinates with lock pin 6 and completes self-locking, corresponding with the position of locking hole 5, and the one side near column 2 end is locking face; Described locking face is used for coordinating with facing directly of the brake head of lock pin 6 and producing locking effect; The angle considering to insert is not needed when described annular lock groove 9 is for allowing the locking head of lock pin 6 insert annular lock groove 9, coordinate with lock pin 6 and the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10, so make column body and the fixation of column body and sliding seat 1 with the fixation of column body.

The inner conical surface 11 of described Inner taper hole 12 installs column body for coordinating with male cone (strobilus masculinus) 10, realize sliding seat 1 to fix with column body and the quick of column body with column body is fixing fast, be beneficial to the quick assembling of column body and quick demolition, play Fast Installation and effect fixing fast; And then make column body and connector 3 and column body and sliding seat 1 fixation respectively.

In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described column body and the connection between sliding seat 1 and column body and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) 10 of column body, in the Inner taper hole 12 of sliding seat 1, is coordinated with lock pin 6 by the annular lock groove 9 on male cone (strobilus masculinus) 10 and pins and lock the male cone (strobilus masculinus) 10 of column 2 with coordinating of the inner conical surface 11 of sliding seat 1 and do not loosen; The male cone (strobilus masculinus) 10 of column body, in the Inner taper hole 12 of connector 3, is coordinated with lock pin 6 by the annular lock groove 9 on male cone (strobilus masculinus) 10 and pins and not the loosening coordinating of inner conical surface 11 of the male cone (strobilus masculinus) 10 and connector 3 of locking column 2.During assembling, inner conical surface 11 and male cone (strobilus masculinus) 10 are at the gravity born and press tighter and tighter under the effect of column body self gravitation and realize automatic fastening; During demolition, pull the pin handle of lock pin 6, after the locking head of lock pin 6 front end exits the annular lock groove 9 on male cone (strobilus masculinus) 10, column body upwards one is lifted male cone (strobilus masculinus) 10 and automatically will be separated with Inner taper hole 12.

The conical surface comprises inner conical surface 11 and male cone (strobilus masculinus) 10, and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part.

In order to can tilt ground on support post body, when chassis 16 is arranged on smooth ground, the central axis of sliding seat 1, in chassis 16, ensure that the column body be arranged in sliding seat 1 is vertical or near perpendicular to horizontal plane; When chassis 16 is arranged on the ground of inclination, sliding seat 1 can rotate certain angle around removable pin 15 on chassis 16, ensure that the column body be arranged in sliding seat 1 is vertical or near perpendicular to horizontal plane.

Removable pin 15 is adopted to be fastened on hole seat 17 on chassis 16 and sliding seat 1, make sliding seat 1 can rotate certain angle around removable pin 15 on chassis 16, reach when chassis 16 is arranged on the ground of inclination and ensure that the column body be arranged in sliding seat 1 keeps the object perpendicular to horizontal plane.

In order to make the assembling of pruning garden ladder quick, chassis 16, hole seat 17, removable pin 15 and sliding seat 1 are the parts of entirety or the dispersion fitted together.

In order to can the locking inner conical surface 11 of working good and male cone (strobilus masculinus) 10 not loosen, described locking hole 5, lock pin 6, force bearing disk 7, locking spring 8 and annular lock groove 9 form the locked inner conical surface 11 of working good of locking system and male cone (strobilus masculinus) 10.

In order to reduce costs and alleviate the weight of ladder, described sliding seat 1 and column body are hollow bodies; Described column body is individual layer or multilayer in the combination of ladder, and sliding seat 1 is individual layer in the combination of ladder.

In order to ensure that column body is all the time perpendicular to horizontal plane, adopt lock bolt 18 to produce frictional force by rotation forces sliding seat 1 and hole seat 17 and fix sliding seat 1 and the angle angle on chassis 16, when chassis 16 is arranged on the ground of inclination, ensure that the column body be arranged in sliding seat 1 remains perpendicular to horizontal plane.

In order in use can Rapid Combination and facilitate pin to step on, described column body be combined into global facility with foot-operated 13, can assembly fast when being beneficial to use; Described foot-operated 13 fixing employing pin on column body are connected and fixed, and foot-operated 13 one end be merely able on column body to connector 3 are drawn, downward landing when pin is stepped down on foot-operated 13.

Prune the assemble method of garden ladder: during assembling, A, on the ground place fit together chassis 16, hole seat 17, removable pin 15 and sliding seat 1, chassis 16 on ground, sliding seat 1 is above, again the lower end of the column 2 having male cone (strobilus masculinus) 10 is inserted in the Inner taper hole 12 of sliding seat 1, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of column 2 is naturally fitted with the inner conical surface 11 of sliding seat 1 and fixes, and the gravity depressed from column 2 is larger, it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; Insert in the process of Inner taper hole 12 at the male cone (strobilus masculinus) 10 of column 2, the front end of male cone (strobilus masculinus) 10 enter into the position of locking head and acute angle bevel on oblique promotion locking head time, the front end oblique promotion locking head of male cone (strobilus masculinus) 10 compresses locking spring 8 and outwards makes a concession, and the front end of male cone (strobilus masculinus) 10 passes through the position of locking head; When the male cone (strobilus masculinus) 10 of column 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of sliding seat 1, annular lock groove 9 on male cone (strobilus masculinus) 10 is right through the position of locking head, locking head enters in annular lock groove 9 under the powered of locking spring 8, the facing directly of locking head to face directly with the annular of annular lock groove 9 coordinate the inner conical surface 11 of fitting and male cone (strobilus masculinus) 10 locked, male cone (strobilus masculinus) 10 can not be retreated, complete the fixing and locking of column body and sliding seat 1.B, move the upper end of column body of inserting sliding seat 1 and make column 2 perpendicular to horizontal plane, lock bolt 18 again on removable pin 15 compresses sliding seat 1, sliding seat 1 can not be rotated around removable pin 15, then make all column bodies in sliding seat 1 all keep perpendicular to horizontal plane, and the angle allowing chassis 16 and sliding seat 1 be formed remain unchanged after being completely fixed.One end of male cone (strobilus masculinus) 10 is again had by an other root post body to insert in the Inner taper hole 12 of connector 3 in Inner taper hole 12 in connector 3 on C, column body again on sliding seat 1, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of column 2 is naturally fitted with the inner conical surface 11 of connector 3 and fixes, and the gravity depressed from column 2 is larger, it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; Insert in the process of Inner taper hole 12 at the male cone (strobilus masculinus) 10 of column 2, the front end of male cone (strobilus masculinus) 10 enter into the position of locking head and acute angle bevel on oblique promotion locking head time, the front end oblique promotion locking head of male cone (strobilus masculinus) 10 compresses locking spring 8 and outwards makes a concession, and the front end of male cone (strobilus masculinus) 10 passes through the position of locking head; When the male cone (strobilus masculinus) 10 of column 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of connector 3, annular lock groove 9 on male cone (strobilus masculinus) 10 is right through the position of locking head, locking head enters in annular lock groove 9 under the powered of locking spring 8, the facing directly of locking head to face directly with the annular of annular lock groove 9 coordinate the inner conical surface 11 of fitting and male cone (strobilus masculinus) 10 locked, male cone (strobilus masculinus) 10 can not be retreated.When the column body composition of D, employing multilayer prunes garden ladder, repeat the male cone (strobilus masculinus) 10 again inserting column 2 in the Inner taper hole 12 of column body upper end of step C, afterwards, the male cone (strobilus masculinus) 10 of another root post body can insert in the Inner taper hole 12 of a root post body below by Using such method again, completes being connected and fixed and locking between column body and column body.The assembling of column body and sliding seat 1 and column body and column body is very convenient, just can complete without any need for instrument.

Prune the method for dismounting of garden ladder: during the column body of dismountable, pull the pin handle of lock pin 6, after the locking head of lock pin 6 front end exits the annular lock groove 9 on male cone (strobilus masculinus) 10, column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 in the connector 3 of a root post body below, and the male cone (strobilus masculinus) 10 of column body will separate automatically with the Inner taper hole 12 of the connector 3 of a root post body below.During the column body that dismounting sliding seat 1 is fixed, pull the pin handle of lock pin 6, after the locking head of lock pin 6 front end exits the annular lock groove 9 on male cone (strobilus masculinus) 10, column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 of sliding seat 1, and column body will separate automatically with sliding seat 1.The dismounting of column body and sliding seat 1 and column body and column body is very convenient, just can complete without any need for instrument.

Gardener is when arranging gardens, run into when having trees to need pollard, first the chassis 16 fitted together, hole seat 17, removable pin 15 and sliding seat 1 are placed on the ground, after sliding seat 1 is plugged the first root post body, the upper end of moving the column body inserting sliding seat 1 makes column 2 perpendicular to horizontal plane, screw lock bolt 18 again and compress sliding seat 1, sliding seat 1 can not be rotated around removable pin 15, then make all columns 2 in sliding seat 1 all keep perpendicular to horizontal plane; Again needing the column body of height to take with oneself, pin steps down on foot-operated 13 on column body and climbs up, the column body that one section of assembling one length of tape has foot-operated 13 can be climbed, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a root post body in superincumbent Inner taper hole 12 again.During descending stair, pin steps down on foot-operated 13 and down climbs, and next section tears a root post body open, very convenient.

Claims

1. a kind of pruning garden ladder, is characterized in that: described pruning garden ladder comprises chassis (16), hole seat (17), lock bolt (18), removable pin (15), sliding seat (1), column body, male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11), locking system;

Described pruning garden ladder is the ladder of single column support type, the pedestal of carrying ladder is chassis (16), the cradle head of ladder is the hole seat (17) that connects of removable pin (15) and sliding seat (1), the cylinder supporting ladder is column body, has foot-operated (13) in the both sides of column body;

The upper fixing porose seat (17) in described chassis (16), hole seat (17) there are pin-and-hole (14) and locking screw, removable pin (15) links together hole seat (17) and sliding seat (1) through the pin-and-hole (14) of the pin-and-hole (14) on hole seat (17) and sliding seat (1) bottom, the screw end exceeding the lock bolt (18) of locking screw after locking screw on lock bolt (18) advances through hole seat (17) is pressed in lower part locking sliding seat (1) of sliding seat (1) and the fit angle on chassis (16), Inner taper hole (12) and locking hole (5) is had above described sliding seat (1), below Inner taper hole (12) or the inside have air gap groove (4), sliding seat (1) is coordinated by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fixes, and is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post by the locking head of the annular lock groove (9) on male cone (strobilus masculinus) (10) with the lock pin (6) through inner conical surface (11) being arranged on sliding seat (1) upper part, Inner taper hole (12) and locking hole (5) is had in connector (3) end in column body upper end, there is air gap groove (4) below Inner taper hole (12) or the inside, the male cone (strobilus masculinus) (10) of column body lower end inserts in the Inner taper hole (12) in the connector (3) of a root post body below, coordinate by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fix, and coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post by the locking head of the annular lock groove (9) on male cone (strobilus masculinus) (10) with the lock pin (6) be arranged on through inner conical surface (11) in connector (3), be fixed with in the damaged surface of column body foot-operated (13) of the folding that can draw in one end of the connector of column body (3), foot-operated (13) upper cover has or is stained with skid-proof rubber,

Described column body has the lower end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) at sliding seat (1) middle part, or, column body has the lower end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) in the connector (3) of a root post body upper end below, male cone (strobilus masculinus) (10) there is annular lock groove (9) coordinate with the locking head of lock pin (6), then lock coordinating of inner conical surface (11) and male cone (strobilus masculinus) (10);

Described Inner taper hole (12) is the hole having tapering, has inner conical surface (11) in Inner taper hole (12); Inner taper hole (12) in described sliding seat (1) coordinates with the male cone (strobilus masculinus) (10) of the lower end of column (2) and fixes, and the Inner taper hole (12) on connector (3) coordinates with the male cone (strobilus masculinus) (10) of the lower end of another root post (2) and fixes; Described Inner taper hole (12) is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the locking head of lock pin (6) by the annular lock groove (9) on male cone (strobilus masculinus) (10) after coordinating with male cone (strobilus masculinus) (10) and fixing; In order to make Inner taper hole (12) and male cone (strobilus masculinus) (10) can close fit, the tapering of described Inner taper hole (12) be consistent with the tapering of male cone (strobilus masculinus) (10);

Described locking system comprises locking hole (5), lock pin (6), locking spring (8), force bearing disk (7), annular lock groove (9), described locking hole (5), on the upper part and connector (3) of sliding seat (1), is horizontally installed with force bearing disk (7), locking spring (8) and lock pin (6) in locking hole (5); Described force bearing disk (7) is fixed on the middle part of lock pin (6), is arranged on the middle part of locking hole (5); Described locking spring (8) is arranged on the middle part that the large part of the middle aperture of locking hole (5) is enclosed within lock pin (6), on the wall that one end withstands on the large part of force bearing disk (7) is upper, the other end withstands on locking hole (5) middle aperture or withstand on the jump ring of the little part in the aperture of locking hole (5) of one end of the pin handle being fixed on lock pin (6); The lateral surfaces that locking spring (8) is passed at middle part, two ends are each passed through the inner conical surface (11) of connector (3) or sliding seat (1) and the lateral surfaces of sliding seat (1) or connector (3) of described lock pin (6), lock pin (6) can slide in locking hole (5), and locking spring (8) is pressed in locking head force bearing disk (7) promoting lock pin (6) and coordinates with annular lock groove (9) and form locking; Described male cone (strobilus masculinus) (10) there is annular lock groove (9) to coordinate and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the locking head of lock pin (6);

Described chassis (16) is disking body or is in strip interconnection shape, disking body or be in strip the fixing above porose seat (17) of middle part of interconnection shape, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described chassis (16) is for fixed hole seat (17), stabilizer column (2) and support post (2) and bear all wt that hole seat (17) bears, and prevents the lower end of column body to be absorbed in earth; Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents chassis (16) from sliding on the ground with ground resulting in friction;

Described hole seat (17) is the supporter supporting and install removable pin (15), supporter has pin-and-hole (14) and locking screw, pin-and-hole (14) is for installing and fixing removable pin (15) bear all wt that removable pin (15) bears;

Near the pin-and-hole (14) of described locking screw on hole seat (17), for assembling lock bolt (18) and purl screw can be rotated in locking screw, the screw end of lock bolt (18) is made to be pressed in lower part locking sliding seat (1) of sliding seat (1) and the fit angle on chassis (16);

Described lock bolt (18) is screw, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of sliding seat (1);

Described removable pin (15) is pivot pin or bolt, bears for connecting hole seat (17) and sliding seat (1) all wt that sliding seat (1) bears;

Described sliding seat (1) is Connection Block, lower part there is horizontal pin-and-hole (14), there is Inner taper hole (12) upper end of upper part, locking hole (5) is had between the surface of sliding seat (1) upper part and Inner taper hole (12), there is air gap groove (4) below Inner taper hole (12) or the inside, and Inner taper hole (12) is directly through with air gap groove (4); The center line of described pin-and-hole (14) is with the central axis of Inner taper hole (12) or close to vertical; Being connected with hole seat (17) below by removable pin (15) of sliding seat (1), be connected with column (2) by Inner taper hole (12) above; The all wt that described sliding seat (1) is born for stabilizer column (2) and support post (2) and column (2);

Described column body is the cylinder that there is male cone (strobilus masculinus) (10) one end, the other end has Inner taper hole (12), comprise connector (3) and column (2) two parts, be fixed with in the damaged surface of column body foot-operated (13) of the folding that can draw in one end of the connector of column body (3); Described column body to be connector (3) with column (2) the be fixed together entirety formed or the entirety be inherently connected; Column (2) does not have one end of male cone (strobilus masculinus) (10) and connector (3) not to have one end of Inner taper hole (12) to be connected or be fixed together to form entirety; The end face of one end of described connector (3) has Inner taper hole (12), there is air gap groove (4) the inside of Inner taper hole (12), has locking hole (5) between the surface of connector (3) and Inner taper hole (12); Annular lock groove (9) is had at the mid portion of the male cone (strobilus masculinus) (10) of column (2), described annular lock groove (9) is the dovetail groove of annular, the annular locking limit of annular lock groove (9) be the facing directly of annular, with the central axis of column body, corresponding with the position of locking hole (5), for coordinating with facing directly of locking head and produce locking effect, then the locked inner conical surface (11) that posts and male cone (strobilus masculinus) (10), and then make connector (3) and column body and sliding seat (1) and the fixation of column body;

Described air gap groove (4) is in the inside of Inner taper hole (12), not inconsistent with the bottom of Inner taper hole (12) when Inner taper hole (12) are inserted in male cone (strobilus masculinus) (10) end for column (2), be convenient to the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10);

Described foot-operated (13) comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole be fixed on Body of pillar, connecting pin is the pin connecting hanger and riding boogie board, riding boogie board cylinder or flat plate, be stained with skid-proof rubber on the surface of riding boogie board or have antiskid glue sleeve at the surface of riding boogie board cover, the skid-proof rubber on foot-operated plays and prevents from riding up anti-skidding effect;

Described locking hole (5) is independent cavity, in sliding seat (1) and in one end of the connector (3) of column (2), the aperture that the locking head that mid portion and the one end, the inside that is large, hole, aperture of wearing out column (2) surface are used for lock pin (6) stretches out is little, communicate with locking hole (5), corresponding with the position of the annular lock groove (9) on male cone (strobilus masculinus) (10), the part that the median pore radius of locking hole (5) is large is used for installing the housing with the mating shapes of locking hole (5); Can also be inlaid with the housing with the mating shapes of locking hole (5) in locking hole (5), housing exposes or does not expose the damaged surface of column (2) in locking hole (5); When housing exposes the damaged surface of column (2), the one end of exposing the damaged surface of column (2) connects with screw or rivets or be welded on the damaged surface of column (2); When housing does not expose the damaged surface of column (2), connect with screw or rivet or weld or be fixed in locking hole (5) with jump ring; The inside and outside two ends of described housing manufacture porose, lock pin (6), locking spring (8), force bearing disk (7) are installed in housing, force bearing disk (7) is arranged on the middle part of lock pin (6), locking spring (8) is arranged between force bearing disk (7) and housing, stretches out, locking head stretches out from the hole of the inner face of housing after the pin handle of lock pin (6) passes from the centre of locking spring (8) from the hole of housing outer face; Described housing for installing lock pin (6) and locking spring (8), and lock pin (6) can be moved in housing;

Described lock pin (6) is that comprise locking head, middle part and pin handle three part, three parts are connected with the bar of pin handle and locking head or rod or block; The middle part of lock pin (6) in the locking hole (5) of the large mid portion in the aperture of locking hole (5) through after locking spring (8), locking head to put in after laterally entering Inner taper hole (12) in the annular lock groove (9) on male cone (strobilus masculinus) (10) again and coordinates with annular lock groove (9), and it is surperficial or cross out the surface of upper part of sliding seat (1) that pin shank portion crosses out the connector (3) of column body; The leading section of described locking head be acute angle bevel with face directly the shape of composition, towards the one side of the small end of Inner taper hole (12) be face directly, the end that acute angle bevel is used for allowing the male cone (strobilus masculinus) of column (2) (10) hold and male cone (strobilus masculinus) (10) oblique promotion locking head retreat, and face directly for coordinating locked male cone (strobilus masculinus) (10) of working good and inner conical surface (11) with the annular groove limit of facing directly of annular lock groove (9);

Described force bearing disk (7) is the porose pad in the centre be fixed on lock pin (6), or a projection on lock pin (6); When described chuck is pad, be fixed on the mid portion of lock pin (6); Force bearing disk (7) is for bearing the thrust of promotion spring and passing to lock pin (6);

Described locking spring (8) is helical spring, completes automatic locking for promoting the locking head of lock pin (6) to coordinate with the annular lock groove (9) on male cone (strobilus masculinus) (10);

Described annular lock groove (9) is the trapezoidal annular groove lower than male cone (strobilus masculinus) (10), male cone (strobilus masculinus) (10) in column body lower end is upper to be coordinated with lock pin (6) and completes self-locking, corresponding with the position of locking hole (5), the one side near column (2) end is locking face; Described locking face is used for coordinating with facing directly of the brake head of lock pin (6) and producing locking effect; The angle considering to insert is not needed when described annular lock groove (9) is for allowing the locking head of lock pin (6) insert annular lock groove (9), coordinate with lock pin (6) and the locked inner conical surface (11) that posts and male cone (strobilus masculinus) (10), so make column body and the fixation of column body and sliding seat (1) with the fixation of column body;

The inner conical surface (11) of described Inner taper hole (12) installs column body for coordinating with male cone (strobilus masculinus) (10), realize sliding seat (1) to fix with column body and the quick of column body with column body is fixing fast, be beneficial to the quick assembling of column body and quick demolition, play Fast Installation and effect fixing fast; And then make column body and connector (3) and column body and sliding seat (1) fixation respectively;

In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described column body and the connection between sliding seat (1) and column body and fix and all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) (10) of column body, in the Inner taper hole (12) of sliding seat (1), is coordinated with lock pin (6) by the annular lock groove (9) on male cone (strobilus masculinus) (10) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and sliding seat (1) of locking column (2); The male cone (strobilus masculinus) (10) of column body, in the Inner taper hole (12) of connector (3), is coordinated with lock pin (6) by the annular lock groove (9) on male cone (strobilus masculinus) (10) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and connector (3) of locking column (2); During assembling, inner conical surface (11) and male cone (strobilus masculinus) (10) are at the gravity born and press tighter and tighter under the effect of column body self gravitation and realize automatic fastening; During demolition, pull the pin handle of lock pin (6), after the locking head of lock pin (6) front end exits the annular lock groove (9) on male cone (strobilus masculinus) (10), column body upwards one is lifted male cone (strobilus masculinus) (10) and automatically will be separated with Inner taper hole (12);

The conical surface comprises inner conical surface (11) and male cone (strobilus masculinus) (10), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part;

In order to can tilt ground on support post body, when chassis (16) is arranged on smooth ground, the central axis of sliding seat (1), in chassis (16), ensure that the column body be arranged in sliding seat (1) is vertical or near perpendicular to horizontal plane; When chassis (16) is arranged on the ground of inclination, sliding seat (1) can rotate certain angle around removable pin (15) on chassis (16), ensure that the column body be arranged in sliding seat (1) is vertical or near perpendicular to horizontal plane;

Removable pin (15) is adopted to be fastened on hole seat (17) on chassis (16) and sliding seat (1), make sliding seat (1) certain angle can be rotated around removable pin (15) on chassis (16), reach when chassis (16) is arranged on the ground of inclination and ensure that the column body be arranged in sliding seat (1) keeps the object perpendicular to horizontal plane;

In order to make the assembling of pruning garden ladder quick, chassis (16), hole seat (17), removable pin (15) and sliding seat (1) are the parts of entirety or the dispersion fitted together.

2. prune garden ladder according to claim 1, it is characterized in that: in order to can the locking inner conical surface (11) of working good and male cone (strobilus masculinus) (10) not loosen, the inner conical surface (11) that described locking hole (5), lock pin (6), force bearing disk (7), locking spring (8) and annular lock groove (9) composition locking system is locked works good and male cone (strobilus masculinus) (10);

In order to reduce costs and alleviate the weight of ladder, described sliding seat (1) and column body are hollow bodies; Described column body is individual layer or multilayer in the combination of ladder, and sliding seat (1) is individual layer in the combination of ladder.

3. prune garden ladder according to claim 1, it is characterized in that: in order to ensure that column body is all the time perpendicular to horizontal plane, adopt lock bolt (18) to produce frictional force by rotation forces sliding seat (1) and hole seat (17) and fix sliding seat (1) and the angle angle on chassis (16), when chassis (16) is arranged on the ground of inclination, ensure that the column body be arranged in sliding seat (1) remains perpendicular to horizontal plane.

4. prune garden ladder according to claim 1, it is characterized in that: in order in use can Rapid Combination and facilitate pin to step on, described column body be combined into global facility with foot-operated (13), can assembly fast when being beneficial to use; Described foot-operated (13) fixing employing pin on column body is connected and fixed, foot-operated (13) are merely able to draw in one end of connector (3) on column body, landing downwards when pin is stepped down on foot-operated (13).

5. prune the using method of garden ladder for one kind, it is characterized in that: the assemble method pruning garden ladder: during assembling, A, place the chassis (16) fitted together on the ground, hole seat (17), removable pin (15) and sliding seat (1), chassis (16) is on ground, sliding seat (1) is above, again the lower end of the column (2) having male cone (strobilus masculinus) (10) is inserted in the Inner taper hole (12) of sliding seat (1), under the effect of self gravitation, the male cone (strobilus masculinus) (10) of column (2) and the inner conical surface (11) of sliding seat (1) are naturally fitted and fix, and it is larger from the gravity of column (2) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted, male cone (strobilus masculinus) (10) in column (2) inserts in the process of Inner taper hole (12), the front end of male cone (strobilus masculinus) (10) enter into the position of locking head and acute angle bevel on oblique promotion locking head time, the front end oblique promotion locking head of male cone (strobilus masculinus) (10) compresses locking spring (8) and outwards makes a concession, and the front end of male cone (strobilus masculinus) (10) passes through the position of locking head, when the male cone (strobilus masculinus) (10) of column (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of sliding seat (1), annular lock groove (9) on male cone (strobilus masculinus) (10) is right through the position of locking head, locking head enters in annular lock groove (9) under the powered of locking spring (8), the facing directly of locking head to face directly with the annular of annular lock groove (9) coordinate the inner conical surface of fitting (11) and male cone (strobilus masculinus) (10) locked, male cone (strobilus masculinus) (10) can not be retreated, complete the fixing and locking of column body and sliding seat (1), B, move the upper end of column body of inserting sliding seat (1) and make column (2) perpendicular to horizontal plane, lock bolt (18) again on removable pin (15) seat compresses sliding seat (1), sliding seat (1) can not be rotated around removable pin (15), then make all column bodies in sliding seat (1) all keep perpendicular to horizontal plane, and the angle allowing chassis (16) and sliding seat (1) be formed remain unchanged after being completely fixed, one end of male cone (strobilus masculinus) (10) is again had by an other root post body to insert in the Inner taper hole (12) of connector (3) in Inner taper hole (12) in connector (3) on C, column body again on sliding seat (1), under the effect of self gravitation, the male cone (strobilus masculinus) (10) of column (2) and the inner conical surface (11) of connector (3) are naturally fitted and fix, and larger from the gravity of column (2) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted, male cone (strobilus masculinus) (10) in column (2) inserts in the process of Inner taper hole (12), the front end of male cone (strobilus masculinus) (10) enter into the position of locking head and acute angle bevel on oblique promotion locking head time, the front end oblique promotion locking head of male cone (strobilus masculinus) (10) compresses locking spring (8) and outwards makes a concession, and the front end of male cone (strobilus masculinus) (10) passes through the position of locking head, when the male cone (strobilus masculinus) (10) of column (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of connector (3), annular lock groove (9) on male cone (strobilus masculinus) (10) is right through the position of locking head, locking head enters in annular lock groove (9) under the powered of locking spring (8), the facing directly of locking head to face directly with the annular of annular lock groove (9) coordinate the inner conical surface of fitting (11) and male cone (strobilus masculinus) (10) locked, male cone (strobilus masculinus) (10) can not be retreated, when the column body composition of D, employing multilayer prunes garden ladder, repeat the male cone (strobilus masculinus) (10) again inserting column (2) in the Inner taper hole (12) of column body upper end of step C, afterwards, the male cone (strobilus masculinus) (10) of another root post body can insert in the Inner taper hole (12) of a root post body below by Using such method again, completes being connected and fixed and locking between column body and column body, the assembling of column body and sliding seat (1) and column body and column body is very convenient, just can complete without any need for instrument,

Prune the method for dismounting of garden ladder: during the column body of dismountable, pull the pin handle of lock pin (6), after the locking head of lock pin (6) front end exits the annular lock groove (9) on male cone (strobilus masculinus) (10), column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) in the connector (3) of a root post body below, and the male cone (strobilus masculinus) (10) of column body will separate automatically with the Inner taper hole (12) of the connector (3) of a root post body below; When dismantling column body fixing in sliding seat (1), pull the pin handle of lock pin (6), after the locking head of lock pin (6) front end exits the annular lock groove (9) on male cone (strobilus masculinus) (10), column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) of sliding seat (1), and column body will separate automatically with sliding seat (1); The dismounting of column body and sliding seat (1) and column body and column body is very convenient, just can complete without any need for instrument;

Gardener is when arranging gardens, run into when having trees to need pollard, first the chassis fitted together (16), hole seat (17), removable pin (15) and sliding seat (1) are placed on the ground, after sliding seat (1) is plugged the first root post body, the upper end of moving the column body inserting sliding seat (1) makes column (2) perpendicular to horizontal plane, screw lock bolt (18) again and compress sliding seat (1), sliding seat (1) can not be rotated around removable pin (15), then all columns (2) in sliding seat (1) are made all to keep perpendicular to horizontal plane, again needing the column body of height to take with oneself, pin steps down on foot-operated (13) on column body and climbs up, the column body that one section of assembling one length of tape has foot-operated (13) can be climbed, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a root post body again in superincumbent Inner taper hole (12), during descending stair, pin steps down on foot-operated (13) and down climbs, and next section tears a root post body open, very convenient.

6. prune the manufacture method of garden ladder for one kind, it is characterized in that: during fabrication, chassis (16), hole seat (17), sliding seat (1) and column body adopt the aluminium alloys of light weight or the plastics manufacture of titanium alloy or carbon alloy or glass-reinforced plastic material or high strength, create hollow body or solid; Lock pin (6) adopts the plastics manufacture of metal material or glass-reinforced plastic material or high strength;

Described chassis (16) creates dish type or bar shaped cross-like, the middle part of dish type or or bar shaped cross-like middle part on fix porose seat (17), the middle part of dish type or or bar shaped cross-like pars intermedia below fixing or be stained with skid-proof rubber;

Described hole seat (17) creates the supporter supporting and install removable pin (15), and supporter manufactures pin-and-hole (14) and locking screw;

Described locking screw is manufactured near the pin-and-hole (14) on hole seat (17), is equipped with lock bolt (18) in locking screw;

Described lock bolt (18) creates screw, can rotate in locking screw;

Described chassis (16) and hole seat (17) manufacture as a whole, or the formation entirety that is fixed together after separately manufacturing;

Removable pin (15) creates pivot pin or bolt, is fixed on hole seat (17) and is above connected with sliding seat (1);

Described sliding seat (1) creates Connection Block, lower part manufacture has horizontal pin-and-hole (14), the upper end of upper part manufactures Inner taper hole (12), internal taper hole creates the hole of tapering, below Inner taper hole (12) or the inside manufacture have air gap groove (4), Inner taper hole (12) is directly through with air gap groove (4), manufactures locking hole (5) between the surface of sliding seat (1) upper part and Inner taper hole (12); The center line of described pin-and-hole (14) is with the central axis of Inner taper hole (12) or close to vertical; Being connected with hole seat (17) below by removable pin (15) of sliding seat (1), being connected with column body by Inner taper hole (12) and locking bar above and fixing;

Described chassis (16), hole seat (17), removable pin (15) and sliding seat (1) are assembled into an independent entirety, are beneficial to rapid-assembling and prune garden ladder;

Described column system causes cylinder, create column (2) and connector (3) two parts, column (2) and connector (3) two parts manufacture as a whole or are fixed together into as a whole after manufacturing respectively; Be fixedly connected with in the damaged surface pin of column body foot-operated (13) that can be close to the cylinder of column (2) to the gathering of connector (3) direction, there is male cone (strobilus masculinus) (10) in column (2) the end manufacture of column body, the ring surface of male cone (strobilus masculinus) (10) manufactures the annular lock groove (9) having depression; Manufacture in the end that the connector (3) of column body is held and have Inner taper hole (12), Inner taper hole (12) creates the hole of tapering, manufacture below Inner taper hole (12) and have air gap groove (4), between the surface of connector (3) and Inner taper hole (12), manufacture locking hole (5); Described annular lock groove (9) creates the dovetail groove of annular, and the annular locking limit of annular lock groove (9) creates the facing directly of annular, central axis with column body, corresponding with the position of locking hole (5);

Lock pin (6) creates locking head, middle part and pin handle three part, three parts create one, lock pin (6) is arranged in locking hole (5) through after locking spring (8), locking head to put in after laterally entering Inner taper hole (12) in the annular lock groove (9) on male cone (strobilus masculinus) (10) again and coordinates with annular lock groove (9), and pin shank portion crosses out the damaged surface of column (2); The leading section of described locking head create sharp acute angle bevel with face directly composition shape, to create towards the one side of air gap groove (4) and face directly;

Described foot-operated (13) create hanger, connecting pin and riding boogie board three part, hanger creates the pedestal be fixed on Body of pillar, connecting pin creates the pin connecting hanger and riding boogie board, riding boogie board creates the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board;

Described locking hole (5) is manufactured between the surface on sliding seat (1) top and Inner taper hole (12) with in connector (3) surface being manufactured on column body and Inner taper hole (12), create independent hole, the mid portion of locking hole (5) and wear out column (2) surface to be used for installing the aperture manufactured with the housing parts of the mating shapes of locking hole (5) large, the aperture that the one end, the inside in hole manufactures for the locking head extension of lock pin (6) is little, communicate with locking hole (5), corresponding with the position of the annular lock groove (9) on male cone (strobilus masculinus) (10), can also be inlaid with the housing with the mating shapes of locking hole (5) in the locking hole (5) manufactured separately, housing exposes or does not expose the damaged surface of column (2) in locking hole (5), when housing exposes the damaged surface of column (2), the one end of exposing the damaged surface of column (2) connects with screw or rivets or be welded on the damaged surface of column (2), when housing does not expose the damaged surface of column (2), connect with screw or rivet or weld or be fixed in locking hole (5) with jump ring, the inside and outside two ends of described housing manufacture porose, lock pin (6), locking spring (8), force bearing disk (7) are installed in housing, force bearing disk (7) is arranged on the middle part of lock pin (6), locking spring (8) is arranged between force bearing disk (7) and housing, stretches out, locking head stretches out from the hole of the inner face of housing after the pin handle of lock pin (6) passes from the centre of locking spring (8) from the hole of housing outer face,

Force bearing disk (7) creates middle porose card, is fixed on lock pin (6);

Force bearing disk (7) creates pad, or creates a projection on lock pin (6); When described chuck creates pad, be fixed on the mid portion of lock pin (6); Chuck is for bearing the thrust of promotion spring and passing to lock pin (6);

Locking spring (8) creates helical spring;

Force bearing disk (7) is fixed on the middle part of lock pin (6), the pin handle of lock pin (6) from the surface on the surface or connector (3) of stretching out sliding seat (1) after the central part of locking spring (8) passes, locking head stretches out from the inner conical surface (11) of Inner taper hole (12), it is upper or withstand on the jump ring that is fixed in locking hole (5) that one end of locking spring (8) is pressed in that force bearing disk (7) is upper, the other end withstands on locking hole (5);

Annular lock groove (9) causes the trapezoidal annular groove lower than male cone (strobilus masculinus) (10), the male cone (strobilus masculinus) (10) being manufactured on column body lower end above coordinates with lock pin (6) and completes self-locking, corresponding with the position of locking hole (5), the one side near column (2) end causes locking face;

The connection of column body and sliding seat (1) and column body and column body and fixingly all adopt cone match, the conical surface creates inner conical surface (11) and male cone (strobilus masculinus) (10), and inner conical surface (11) and male cone (strobilus masculinus) (10) create the taper surface of point; The cross section of the conical surface creates the polygonal conical surface, or creates the conical surface of circle or circular arc;

The consistent tapering that the tapering that tapering and the male cone (strobilus masculinus) (10) of Inner taper hole (12) coordinate creates;

The upper fixing porose seat (17) in described chassis (16), removable pin (15) connecting hole seat (17) and sliding seat (1), the Inner taper hole (12) of described sliding seat (1) coordinates with the male cone (strobilus masculinus) (10) of the lower end of column body and fixes, the male cone (strobilus masculinus) (10) of column body coordinates with the inner conical surface (11) of the Inner taper hole (12) of a root post body below and fixes, Inner taper hole (12) is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with lock pin (6) by the annular lock groove (9) on male cone (strobilus masculinus) (10) after coordinating with male cone (strobilus masculinus) (10) and fixing, be fixed with in the damaged surface of column body foot-operated (13) of the folding that can draw in one end of the connector of column body (3), be stained with skid-proof rubber in the bottom of chassis (16), column body connector (3) surface and Inner taper hole (12) between and between the surface of sliding seat (1) and Inner taper hole (12), manufacture locking hole (5), force bearing disk (7) is installed in locking hole (5), locking spring (8) and lock pin (6), the middle part of lock pin (6) is fixed with force bearing disk (7), the pin shank portion of lock pin (6) is from the surface of the protrusion circle stretched out after the central part of locking spring (8) passes the surface of connector (3) or sliding seat (1), locking head stretches out from the inner conical surface (11) of Inner taper hole (12), one end of locking spring (8) is pressed on the force bearing disk (7) of lock pin (6), the other end withstands on locking hole (5).