CN208640052U

CN208640052U - A kind of Novel chair castor

Info

Publication number: CN208640052U
Application number: CN201721111600.0U
Authority: CN
Inventors: 李飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-31
Filing date: 2017-08-31
Publication date: 2019-03-26
Anticipated expiration: 2027-08-31

Abstract

The utility model provides a kind of Novel chair castor, including wheel, rotation axis and support base；There is the closed guide channel of the open at one end other end on support base, one end where opening of the support base in guide channel is provided with the tread surface in vertically-guided channel, sliding is provided with guide pad along its length inside guide channel, elastic component is additionally provided in guide channel, the both ends of elastic component push against closed end and the guide pad of guide channel respectively；The opposite sides of guide channel is provided with two slotted holes of perforation guide channel, the position of two slotted holes is corresponding and the length direction of two slotted holes and the length direction of guide channel are parallel, and rotation axis is connect with guide pad and guide channel is stretched out from two slotted holes respectively in the both ends of rotation axis；Wheel is two, two wheels coaxially connected both ends in rotation axis respectively.The utility model is mounted on chair, and when can effectively avoid people from being sitting in handling official business on chair, the accidental movement of chair improves the stability of chair.

Description

A kind of Novel chair castor

Technical field

The utility model relates to chair components more particularly to a kind of Novel chair castors.

Background technique

In the life of modern people, all too busy to get away chair is either rested, works or entertained.It can be described as, people Raw one third is spent in sleep, but if your work is most of all inside office, there are also one thirds for you Time is spent on chair.

Currently, many chairs include the castor of seat surface, chair leg and setting and chair bottom；The effect of castor can make Obtain the more laborsaving convenience of movement of chair.

For castor, disclosed in the patent document (referred to hereinafter as documents 1) of Publication No. 203852066U adjustable The chair of handrail and the chair back comprising have the star base for being used to support the chair, and the star base includes that there are five stabilizer blades, often An idler wheel is both provided on a stabilizer blade, by castor, the chair in documents 1 can realize that quick, convenient labour-saving again is moved It is dynamic.

But if in the case that the chair in documents 1 is taken, if bear in the horizontal direction can for the chair With the external force for pushing the chair mobile, then the chair will move, and cause the user being just seated that can be detached from its original position, shadow Its work is rung, i.e., the stability of chair is poor in documents 1.

Utility model content

For above-mentioned the technical problems existing in the prior art, the utility model provides a kind of Novel chair castor, when After being mounted in the chair leg of chair, the generation of following situations can be effectively avoided: the chair of the utility model being installed when people is sitting in When handling official business on son, it is therefore prevented that situations such as chair unexpectedly moves under the effect of external force, and user is avoided surprisingly to deviate original position Generation, interrupted so as to avoid the working condition of user because of moving for chair, and the stability of chair also obtains It greatlys improve.

The technical solution of the utility model is: a kind of Novel chair castor, including wheel, rotation axis and support base；

There is the closed guide channel of the open at one end other end, the support base is in the guide channel on the support base It is open where one end be provided with the tread surface of the vertical guide channel, slided along its length inside the guide channel It is dynamic to be provided with guide pad, be additionally provided with elastic component in the guide channel, the both ends of the elastic component push against respectively described in lead Closed end and the guide pad to channel；

Two slotted holes for penetrating through the guide channel, two slotted holes are provided in the opposite sides of the guide channel Position it is corresponding and the length direction of two slotted holes is parallel with the length direction of the guide channel, the rotation axis with it is described The guide channel is stretched out from two slotted holes respectively in the both ends of guide pad connection and the rotation axis；

The wheel is two, two wheels coaxially connected both ends in the rotation axis respectively；

Under external force, the support base and the guide pad can overcome the elastic force of the elastic component to carry out relatively sliding Move to where the tread surface of the support base plane and the tangent position of the wheel, when external force disappear, the support base with The guide pad can automatically reset under the effect of the elastic force of the elastic component.

As preferred: the elastic component is compressed spring.

As preferred: the positioning coaxial with the compressed spring is arranged towards the side of the compressed spring in the guide pad Bar, the compressed spring are set in the locating rod.

As preferred: the support base is provided with the mounting structure for connecting chair leg far from one end of the tread surface.

As preferred: the mounting structure is connect by connecting column with the support base, and the connecting column is parallel to and institute It states guide channel and is rotatablely connected with the support base.

As preferred: the mounting structure includes the mounting post with connecting column coaxial arrangement, and the mounting post is separate One end of the connecting column is machined with annular groove.

As preferred: the mounting structure includes the screw rod with connecting column coaxial arrangement.

As preferred: the mounting structure includes the mounting plate vertical with the connecting column, the connecting column and the company The center of fishplate bar connects, and at least three mounting holes are provided on the connecting plate.

As preferred: the mounting structure includes the L shaped plate connecting with the connecting column, the L shaped plate by with the company Connect the first vertical plate of column and second board group parallel with the connecting column at, the connecting column is connect with first plate, At least two mounting holes are provided on second plate.

As preferred: the mounting structure includes the trough plate connecting with the connecting column, the trough plate by one piece with The first vertical connecting plate of the connecting column and two pieces of second connecting plate compositions parallel with the connecting column, the connecting column It is connect with first connecting plate, at least one mounting hole, two the second connecting plates is provided on each second connecting plate On all mounting holes position correspond.

The beneficial effects of the utility model are: the enterprising enforcement of chair leg that the utility model is mounted on chair is used, when being equipped with The chair of the utility model is placed on the ground carry out use during, when people is sitting on chair, the gravity of human body is generated Pressure make support base tread surface and ground face contact, increase the stability for being equipped with the chair of the utility model whereby, And also add the frictional force being equipped between the chair of the utility model and ground, it is therefore prevented that having lateral or oblique application Chair occurs unexpected mobile under the action of the external force on chair, avoids user is caused surprisingly to deviate in this case original Position and so on, it is interrupted so as to avoid the working condition of user because of moving for chair, improves the steady of chair It is qualitative.After people leaves chair, under the elastic force effect of elastic component, support base can be made to move up, make contacting to earth for support base Face is separated with ground, so that wheel be enable to be freely rotated, convenient for being equipped with the shifting of the chair of the utility model on the ground It is dynamic.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model embodiment 1；

Fig. 2 is the main sectional view of the utility model embodiment 1；

Fig. 3 is the top view of the utility model embodiment 1；

Fig. 4 is the bottom view of the utility model embodiment 1；

Fig. 5 is the sectional view of the utility model embodiment 1；

Sectional view when Fig. 6 is the tread surface contact ground of the support base in the utility model embodiment 1；

Fig. 7 is the sectional view of the support base in the utility model embodiment 1；

Fig. 8 is the structural schematic diagram of the utility model embodiment 2；

Fig. 9 is the structural schematic diagram of the utility model embodiment 3；

Figure 10 is the structural schematic diagram of the utility model embodiment 4；

Figure 11 is the structural schematic diagram of the utility model embodiment 5.

1, wheel in figure；2, rotation axis；3, support base；31, non-slip mat；32, bushing；321, collar；301, guide channel； 302, slotted hole；303, mounting groove；4, guide pad；41, locating rod；5, compressed spring；6, connecting column；71, mounting post；711, Second ring slot；81, circular shaft rank；72, screw rod；82, hexagonal prisms；73, mounting plate；741, the first plate；742, the second plate；751, One connecting plate；752, the second connecting plate.

Specific embodiment

The chair of existing foot wheel is in the case where someone sits on, if stress will in the horizontal direction for chair It is mobile, cause the user sat on to be detached from original position, influences work, since chair is supported by the wheel on castor, Stability is poor.

For above-mentioned the technical problems existing in the prior art, the utility model embodiment provides a kind of Novel chair foot Wheel, including wheel, rotation axis and support base；

The enterprising enforcement of chair leg that the utility model is mounted on chair is used, when the chair for being equipped with the utility model is placed on ground During the enterprising enforcement in face is used, when people is sitting on chair, the pressure that the gravity of human body generates makes the tread surface of support base With ground face contact, increase the stability for being equipped with the chair of the utility model whereby, and also add be equipped with it is practical Frictional force between novel chair and ground, it is therefore prevented that chair under the action of having the lateral or oblique external force being applied on chair Son occurs unexpected mobile, avoids causing in this case user from surprisingly deviateing original position, to keep away The working condition for having exempted from user is interrupted because of moving for chair, improves the stability of chair.After people leaves chair, in bullet Property part elastic force effect under, support base can be made to move up, separate the tread surface of support base and ground, to enable wheel It is enough freely rotated, convenient for being equipped with the movement of the chair of the utility model on the ground.

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, It fall within the protection scope of the utility model.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be understood that the orientation of the instructions such as term " on ", "lower", "left", "right" Or positional relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when usually put The orientation or positional relationship that orientation or positional relationship or those skilled in the art usually understand is merely for convenience of describing The utility model and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy Fixed orientation construction and operation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected.It is right For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Embodiment 1:

As shown in Figures 1 to 6, a kind of Novel chair castor provided by the embodiment of the utility model, including wheel 1, rotation Axis 2 and support base 3.

As shown in fig. 7, having the closed guide channel 301 of the open at one end other end on support base 3, support base 3 is being oriented to The one end at the open place in channel 301 is provided with the tread surface in vertically-guided channel 301.In the Novel chair castor of the present embodiment Install chair and in chair normal use, upward, open end downward, is contacted to earth at this time for the closed end of guide channel 301 Face is located at the lower end of support base 3.

As shown in fig. 6, the tread surface of support base 3 is for taking in the Novel chair castor for being equipped with the present embodiment When on chair, tread surface and ground face contact are steadily supported chair, increase the stability of chair, chair is avoided to shift.

In the present embodiment, there is non-slip mat 31 in the lower end of support base 3, the area of non-slip mat 31 is greater than support base 3 The area of lower end, the lower end surface of non-slip mat 31 are tread surface.The contact area on tread surface and ground can be increased in this way, in turn Increase the stability for being equipped with the chair of Novel chair castor of the present embodiment.Non-slip texture is provided on tread surface, to Increase its antiskid effect.Lateral surface between the both ends of the surface of support base 2 is constituted using the plane and arc surface of rounding off, is convenient for It is manufactured and saves material.

Sliding is provided with guide pad 4 along its length inside guide channel 301, is additionally provided in guide channel 301 Elastic component, the both ends of elastic component push against closed end and the guide pad 4 of guide channel 301 respectively.

Guide channel 301 plays the role of being oriented to the relative motion between support base 3 and wheel 1, while also rising To the compression to elastic component and reset the effect that is oriented to of direction.

The opposite sides of guide channel 301 is provided with two slotted holes 302 of perforation guide channel 301, two oval The position in hole 302 is corresponding and the length direction of two slotted holes 302 is parallel with the length direction of guide channel 301.Rotation axis 2 with Guide channel 301 is stretched out from two slotted holes 302 respectively in the both ends of the connection of guide pad 4 and rotation axis 2.

Wheel 1 is two, two wheels 1 coaxially connected both ends in rotation axis 2 respectively.

In the present embodiment, the both ends of two wheels 1 and rotation axis 2 are rotatablely connected, rotation axis 2 and the fixed company of guide pad 4 It connects, to realize being freely rotated relative to support base 3 of wheel 1.Needing the mobile Novel chair for being equipped with the present embodiment in this way When the chair of castor, the movement to chair can be realized by the rotation of wheel 1.Furthermore it is also possible to by with flowering structure come real Existing being freely rotated relative to support base 3 of wheel 1: it is rotatablely connected between rotation axis 2 and guide pad 4, two wheels 1 pass through respectively It is fixedly connected with the both ends of rotation axis 2.

Under external force, support base 3 and guide pad 4 can overcome the elastic force of elastic component to carry out sliding into support base relatively Plane and the tangent position of wheel 1 where 3 tread surface, when external force disappears, support base 3 and guide pad 4 can be in elastic components Elastic force effect under automatically reset.

In this way when people is sitting on the chair for being equipped with the Novel chair castor of the present embodiment, generated in the gravity of human body Pressure makes the tread surface and ground face contact of support base 3, increases the chair for being equipped with the Novel chair castor of the present embodiment whereby The stability of son, and the frictional force being equipped between the chair and ground of the Novel chair castor of the present embodiment is also added, It prevents chair under the action of having the lateral or oblique external force being applied on chair that unexpected movement occurs, avoids in such feelings Cause user surprisingly to deviate original position under condition, so as to avoid user working condition because chair shifting It moves and interrupts, improve the stability of chair.After people leaves chair, under the elastic force effect of elastic component, support base 3 can be made It moves up, separates the tread surface of support base 3 and ground, so that wheel 1 be enable to be freely rotated, convenient for being equipped with this reality Apply the movement of the chair of the Novel chair castor of example on the ground.

In the present embodiment, elastic component is compressed spring 5.In addition to this, elastic component can also select elastic material such as rubber Elastomer block made of glue, the shape and making material of elastic component are not intended to limit in the present embodiment, as long as being able to achieve the present embodiment Required purpose belongs to the content that the present embodiment is included.

In the present embodiment, the locating rod 41 coaxial with compressed spring 5 is arranged towards the side of compressed spring 5 in guide pad 4, Compressed spring 5 is set in locating rod 41.

The one end (i.e. the upper end of support base 3) of support base 3 far from tread surface is provided with the mounting structure for connecting chair leg. Mounting structure is connect by connecting column 6 with support base 3, and connecting column 6 is parallel to guide channel 301 and rotates company with support base 3 It connects.As optional embodiment, mounting groove 303 is offered in the upper end of support base 3, is fixedly installed in mounting groove 303 Bushing 32, the lower end of connecting column 6 are protruded into 32 inside of bushing and can be rotated in bushing 32.Bushing 32 to connecting column 6 with Anti-friction effect is played in rotation between support base 3.There is a upward protrusion in the bottom of bushing 32, protrusion is ball arc Shape, the lower end surface point contact at top and connecting column 6, it is possible to reduce during rotation since the born gravity of connecting column 6 is made At resistance.It is machined with first annular slot on connecting column 6, there is a collar 321 inside bushing 32, collar 321 is located at the In one annular groove, prevent connecting column 6 from deviating from bushing 32.

In the present embodiment, mounting structure includes the mounting post 71 being coaxially disposed with connecting column 6, and mounting post 71 is far from connection One end of column 6 is machined with the second annular groove 711.Mounting post 71 is identical with the structure of connecting column 6 and size.In mounting post Also it is greater than the circular shaft rank 81 of mounting post 71 and connecting column 6 between 71 and connecting column 6 with diameter.Mounting post 71, axis rank and company It connects column 6 and is integrated machine-shaping.

Bottom end setting and support base when the Novel chair castor of the present embodiment is installed chair, in the chair leg of chair The structure identical with 32 structure of bushing of mounting groove 303 on 3, mounting post 71, which is inserted into the structure, can be realized the present embodiment Connection between Novel chair castor and chair leg.

Embodiment 2:

Compared with Example 1, the present embodiment the difference is that: as shown in figure 8, mounting structure includes and connecting column 6 The screw rod 72 of coaxial arrangement.Also it is greater than the hexagonal prisms of screw rod 72 and connecting column 6 with circumscribed circle between screw rod 72 and connecting column 6 82, it is operated during rotary screw 72 for being convenient for.

When the Novel chair castor of the present embodiment is installed chair, processed in the lower end bottom surface of the chair leg of chair With the matched threaded hole of screw rod 72, screw rod 72 is screwed in threaded hole between the Novel chair castor and chair leg for realizing the present embodiment Connection.

Embodiment 3:

Compared with Example 1, the present embodiment the difference is that: as shown in figure 9, mounting structure includes and connecting column 6 Vertical mounting plate 73, connecting column 6 are connect with the center of connecting plate, and at least three mounting holes are provided on connecting plate.This reality It applies in example, the quantity of mounting hole is four.

When the Novel chair castor of the present embodiment is installed chair, processed in the lower end bottom surface of the chair leg of chair Threaded hole corresponding with installation hole number and position, the screw by passing through mounting hole, which screws in, realizes the present embodiment in threaded hole Connection between Novel chair castor and chair leg.

Embodiment 4:

Compared with Example 1, the present embodiment the difference is that: as shown in Figure 10, mounting structure includes and connecting column 6 The L shaped plate of connection, L shaped plate are made of the first plate 741 vertical with connecting column 6 and the second plate 742 parallel with connecting column 6, Connecting column 6 is connect with the first plate 741, is provided at least two mounting holes on the second plate 742.In the present embodiment, the number of mounting hole Amount is three.

When the Novel chair castor of the present embodiment is installed chair, processed in the lower end side of the chair leg of chair Threaded hole corresponding with installation hole number and position, the screw by passing through mounting hole, which screws in, realizes the present embodiment in threaded hole Connection between Novel chair castor and chair leg.

Embodiment 5:

Compared with Example 1, the present embodiment the difference is that: as shown in figure 11, mounting structure includes and connecting column 6 The trough plate of connection, trough plate are parallel with connecting column 6 by one piece of first connecting plate 751 vertical with connecting column 6 and two pieces Second connecting plate 752 composition, connecting column 6 are connect with the first connecting plate 751, are provided at least one on each second connecting plate 752 The position of a mounting hole, all mounting holes on two the second connecting plates 752 corresponds.In the present embodiment, each second connects The quantity of mounting hole on fishplate bar 752 is one.

When the Novel chair castor of the present embodiment is installed chair, processed always in the lower end of the chair leg of chair The chair leg lower end of chair is embedded between two piece of second connecting plate 752 by the through-hole for wearing both ends, at this point, chair leg lower end Bottom surface and the top surface of first connecting portion push against, then realize this implementation by the bolt tightening nut by passing through mounting hole and through-hole Connection between the Novel chair castor and chair leg of example.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims

1. a kind of Novel chair castor, it is characterised in that: including wheel (1), rotation axis (2) and support base (3)；

There is the closed guide channel of the open at one end other end (301), the support base (3) is described on the support base (3) The one end at the open place of guide channel (301) is provided with the tread surface of the vertical guide channel (301), the guide channel (301) internal sliding along its length is provided with guide pad (4), is additionally provided with elastic component in the guide channel (301), The both ends of the elastic component push against closed end and the guide pad (4) of the guide channel (301) respectively；

Two slotted holes for penetrating through the guide channel (301) are provided in the opposite sides of the guide channel (301) (302), the position correspondence of two slotted holes (302) and length direction and the guide channel (301) of two slotted holes (302) Length direction it is parallel, the rotation axis (2) connect with the guide pad (4) and the both ends of the rotation axis (2) are respectively from two A slotted hole (302) stretches out the guide channel (301)；

The wheel (1) is two, two wheels (1) coaxially connected both ends in the rotation axis (2) respectively；

Under external force, the support base (3) and the guide pad (4) can overcome the elastic force of the elastic component to carry out opposite The plane where the tread surface of the support base (3) and the wheel (1) tangent position are slid into, it is described when external force disappears Support base (3) can automatically reset with the guide pad (4) under the effect of the elastic force of the elastic component.

2. Novel chair castor according to claim 1, it is characterised in that: the elastic component is compressed spring (5).

3. Novel chair castor according to claim 2, it is characterised in that: the guide pad (4) is towards the compression bullet The locating rod (41) coaxial with the compressed spring (5) is arranged in the side of spring (5), and it is described fixed that the compressed spring (5) is set in On position bar (41).

4. Novel chair castor as claimed in any of claims 1 to 3, it is characterised in that: the support base (3) is remote One end from the tread surface is provided with the mounting structure for connecting chair leg.

5. Novel chair castor according to claim 4, it is characterised in that: the mounting structure by connecting column (6) with Support base (3) connection, the connecting column (6) are parallel to the guide channel (301) and rotate with the support base (3) Connection.

6. Novel chair castor according to claim 5, it is characterised in that: the mounting structure includes and the connecting column (6) mounting post (71) being coaxially disposed, the mounting post (71) are machined with annular groove far from the one end of the connecting column (6).

7. Novel chair castor according to claim 5, it is characterised in that: the mounting structure includes and the connecting column (6) screw rod (72) being coaxially disposed.

8. Novel chair castor according to claim 5, it is characterised in that: the mounting structure includes and the connecting column (6) vertical mounting plate (73), the connecting column (6) connect with the center of connecting plate, are provided at least on the connecting plate Three mounting holes.

9. Novel chair castor according to claim 5, it is characterised in that: the mounting structure includes and the connecting column (6) L shaped plate connected, the L shaped plate by first plate (741) vertical with the connecting column (6) and with the connecting column (6) Parallel the second plate (742) composition, the connecting column (6) connect with first plate (741), set on second plate (742) It is equipped at least two mounting holes.

10. Novel chair castor according to claim 5, it is characterised in that: the mounting structure includes and the connection The trough plate of column (6) connection, the trough plate is by one piece of first connecting plate (751) and two vertical with the connecting column (6) Block second connecting plate (752) composition parallel with the connecting column (6), the connecting column (6) and first connecting plate (751) It connects, is provided at least one mounting hole, the institute on two the second connecting plates (752) on each second connecting plate (752) There is the position of mounting hole to correspond.