CN2187702Y

CN2187702Y - Pivot capable of arbitrary positioning

Info

Publication number: CN2187702Y
Application number: CN 93240143
Authority: CN
Inventors: 吕敏文
Original assignee: XINRIXING SPRING MACHINERY IND
Current assignee: XINRIXING SPRING MACHINERY IND
Priority date: 1993-09-17
Filing date: 1993-09-17
Publication date: 1995-01-18
Anticipated expiration: 2003-09-17

Abstract

The utility model relates to a pivot capable of arbitrary positioning, which is connected with a cover plate in the inner side of a shaft; the outer side is orderly provided with a shim, a supporting frame and a shim; the outside of the shim is provided with a plurality of dish shaped spring laminations; a sleeve barrel is arranged on the outer side of an annular spring lamination; a spring is sheathed on the surface of the sleeve barrel; the front end of the spring is hooked in a spring hook hole which is opened in the front of the supporting frame; the outside of the spring is provided with a positioning plate which can be interlocked with a rotating shaft; all the assembly are locked by nylon looseness preventing screw caps on the outside of the positioning plate in order that the dish shaped spring laminations which are superposed reversely can provide proper elasticity; the rotating shaft which is interlocked with the cover plate can be freely positioned without falling, when lifted.

Description

Pivot capable of arbitrary positioning

The utility model relates to a kind of pivot that can arbitrarily locate, so that the rotating shaft that will be connected with cover plate can arbitrarily locate and unlikely displacement when starting, and is the design of a practicability.

Pivot is used by all trades and professions person widely now, so that connect two elements with pivot, makes two elements be used as pin-jointed structure by pivot, so can be subjected to mass consumption person's welcome and and then purchase use by the utmost point.

But with regard to general pivot, when it is used as connection cover plate and seat element, then make the relation between cover plate and base, only have two kinds of actions of standard-sized sheet or full cut-off merely, and can't make the effect that can reach random location between cover plate and base, thereby and can't be fit to that multiple angles changes the different required of location between cover plate and base, therefore, its practicability often is restricted, and improved necessity is in addition arranged.

In order to overcome above-mentioned the deficiencies in the prior art, main purpose of the present utility model is: a kind of pivot that can arbitrarily locate is provided, it is by rotating shaft, two pads, bolster, a plurality of dish-shaped shell fragments, sleeve, spring, positioning plate, nylon ends loose nut and forms, wherein, rotating shaft is inboard to be connected with a cover plate, pad is then established in the outside in regular turn, bolster, pad, a plurality of dish-shaped shell fragments are established in the pad outside, one sleeve is located at the dish-shaped shell fragment outside, one spring then is sheathed on sleeve surface, the spring front end then colludes the spring ditch hole that places bolster the place ahead to offer, the spring outside establish one can with the positioning plate of rotating shaft interlock, it is sealed with above-mentioned each assembly that loose nut is then ended with nylon in the positioning plate outside, so that it is oppositely stacked so that suitable elasticity to be provided with dish-shaped shell fragment, so that make the rotating shaft that is connected with cover plate, when starting, can arbitrarily locate and unlikely any downslide, be the design of a practicality really.

In order to achieve the above object, the utility model provides a kind of pivot that can arbitrarily locate, it is characterized in that: the integral body of this pivot is ended loose nut and is formed by rotating shaft, two pads, bolster, a plurality of dish type shell fragment, sleeve, spring, positioning plate, nylon;

Rotating shaft is inboard to be connected with a cover plate, and rotating shaft central authorities form disk, and the disk outside forms groove, so that the usefulness of oil storage, the disk outside forms axostylus axostyle, and the axostylus axostyle outside forms screw rod, and screw rod respectively forms planar surface portion up and down;

The axostylus axostyle outside is then established pad, bolster, pad in regular turn, and pad central authorities have axis hole, and axis hole outside spacing is provided with a plurality of oilholes;

One bolster has axis hole in the middle of it, and axis hole side spacing is formed with a plurality of semicircle oilholes, the forward and backward extension piece that respectively forms of bolster, so that can be fixed in the appropriate position, appropriate location is provided with spring ditch hole on the extension piece, so that make two pads respectively be arranged at the both sides of bolster;

The pad outside is provided with a plurality of dish-shaped shell fragments with reverse setting, and these dish shell fragment central authorities have axis hole, can be placed on the axostylus axostyle position;

One sleeve is located at the dish-shaped shell fragment outside, and sleeve central authorities have axis hole, and this axis hole can be placed on the axostylus axostyle, and the sleeve inboard also forms oilhole;

One spring then is sheathed on sleeve surface, the spring front end then colludes and places the spring ditch hole of being offered on the bolster extension piece, the spring outside establish one can with the positioning plate of rotating shaft interlock, positioning plate central authorities also have axis hole, the upper and lower planar surface portion that respectively forms of axis hole, with with the corresponding combination of the planar surface portion of rotating shaft, positioning plate then extends to form the L matrix inwardly in the bottom, so that make the L matrix outside can block spring;

It is sealed with above-mentioned each assembly that loose nut is then ended with nylon in the positioning plate outside, with the dish-shaped shell fragment of reverse setting so that suitable elasticity to be provided, form lubrication between semicircle oilhole and oilhole, it is smooth and easy that rotating shaft is rotated, and the groove of rotating shaft can make disk and axostylus axostyle jointing place smooth, can cause disk fully smooth on axis hole, to prevent to produce the gap, so that the rotating shaft that is connected with cover plate can arbitrarily be located and unlikely decline when starting.

The utility model contrast prior art has following advantage:

The pivot that can arbitrarily locate of the present utility model, its integral body is ended loose nut and is formed by rotating shaft, two pads, bolster, dish-shaped shell fragment, sleeve, spring, positioning plate, nylon.The positioning plate outside is sealed with above-mentioned each assembly to end loose nut, with the dish-shaped shell fragment of reverse setting so that suitable elasticity to be provided, form lubrication between semicircle oilhole and oilhole, it is smooth and easy that rotating shaft is rotated, and the groove of rotating shaft can make disk and axostylus axostyle jointing place smooth, can make disk fully smooth on axis hole, to prevent to produce the gap, so that the rotating shaft that is connected with cover plate can arbitrarily be located and unlikely decline when starting.

Further specify structure characteristic of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is the three-dimensional appearance exploded view of the utility model pivot.

Fig. 2 is that the front of the utility model pivot is in conjunction with sectional view.

Fig. 3 is the action diagram of the utility model pivot.

The utility model is a kind of pivot that can arbitrarily locate (as shown in Figure 1 and Figure 2), can find out overall structure of the present utility model among this figure, end loose nut 8 and formed by rotating shaft 1, two pads 2, bolster 3, a plurality of dish-shaped shell fragment 4, sleeve 5, spring 6, positioning plate 7, nylon;

Wherein, rotating shaft 1 inboard is connected (not shown) with a cover plate, and rotating shaft 1 central authorities form disk 10, disk 10 outsides form groove 11, so that the usefulness of oil storage, disk 10 outsides form axostylus axostyle 12, axostylus axostyle 12 outsides form screw rod 13, and screw rod 13 respectively forms planar surface portion 14 up and down;

The then sheathed in regular turn pad 2 in axostylus axostyle 12 outsides, bolster 3, another pad 2, wherein, pad 2 central authorities have axis hole 20, and axis hole 20 outsides are provided with a plurality of oilholes 21 across a certain distance, so that lubricated, heat radiation and oil storage usefulness, to eliminate different sound;

One bolster 3 has axis hole 30 in the middle of it, and axis hole 30 sides are formed with a plurality of semicircle oilholes 31 across a certain distance, can be used as lubricated, heat transmission, to eliminate different sound; Bolster 3 is forward and backward respectively to form extension piece 32,33, so that can be fixed in the computer casing appropriate position, appropriate location is provided with spring ditch hole 34 on the extension piece 32, and two pads 2 respectively are arranged at bolster 3 both sides;

Outside pad 2 is more sheathed with a plurality of dish-shaped shell fragments 4, and these dish shell fragment 4 central authorities have axis hole 40, can be placed on axostylus axostyle 12 positions, and dish-shaped shell fragment 4 is oppositely to be provided with simultaneously;

One sleeve 5 is located at dish-shaped shell fragment 4 outsides, and sleeve 5 central authorities have axis hole 50, and sleeve 5 inboards also form oilhole 51, so that the usefulness of heat radiation and oil storage;

6 on one spring is sheathed on sleeve 5 surfaces, spring 6 front ends then collude and place the spring ditch hole of being offered on bolster 3 extension pieces 32 34, spring 6 outsides establish one can with the positioning plate 7 of rotating shaft 1 interlock, positioning plate 7 central authorities also have axis hole 70, the axis hole 70 upper and lower planar surface portion 71 that respectively form, 7 of positioning plates extend to form L matrix 72 inwardly in the bottom, so that make L matrix 72 ear end faces can fasten spring 6 end in addition, simultaneously with the planar surface portion 71 of positioning plate 7 and the axostylus axostyle 12 formed planar surface portion 14 corresponding combinations of rotating shaft 1;

It is sealed with above-mentioned each assembly that loose nut 8 is then ended with nylon in positioning plate 7 outsides, so that with the dish-shaped shell fragment 4 of reverse setting so that suitable elastic force to be provided, make the rotating shaft 1 that is connected with cover plate, L matrix 72 is counterclockwise rotates, the suitable elastic force that is provided because of the dish-shaped shell fragment 4 that oppositely is provided with draws rotating shaft 1 to make arbitrarily location unlikely any decline (shown in dotted line position among Fig. 3) of rotating shaft 1 outward again.

Fig. 2 for another example, shown in Fig. 3, the rotating shaft 1 that is connected with cover plate when the utility model is in pressing cover is fashionable down, then make L matrix 72 pushing clamping springs 6 tail ends with positioning plate 7 bottoms of rotating shaft 1 interlock, push cover plate downwards, when cover plate and base are fastened, then make L matrix 72 again with spring 6 extrapolations, also uphold and deposit spring energy spring 6 this moment, when with cover plate and base releasing blocking, then make spring 6 original state of rebounding, and with L matrix 72 to some distances (shown in lower position among Fig. 3) of counter clockwise direction ejection, at the same time, then make the cover plate with rotating shaft 1 interlock can pop up a suitable angle automatically, open use in order to lifting.

Because of 21 of semicircle oilhole 31 and oilholes form lubrication, it is smooth and easy that rotating shaft 1 is rotated, and the groove 11 of rotating shaft 1 can make disk 10 and axostylus axostyle 12 jointing places smooth, can cause disk 10 fully smooth on axis hole 20, to prevent to produce the gap.

Claims

1, a kind of pivot that can arbitrarily locate is characterized in that: its integral body is ended loose nut and is formed by rotating shaft, two pads, bolster, a plurality of dish type shell fragment, sleeve, spring, positioning plate, nylon;

The rotating shaft inboard is connected with a cover plate, and rotating shaft central authorities form disk, and the disk outside forms so that the usefulness of oil storage also can make the smooth groove of disk and axostylus axostyle jointing place, and the disk outside forms axostylus axostyle, and the axostylus axostyle outside forms screw rod, and screw rod respectively forms planar surface portion up and down;

The axostylus axostyle outside is then established pad, bolster, pad in regular turn, and pad central authorities have axis hole, and the axis hole outside is provided with plural oilhole across a certain distance;

The bolster that has axis hole in the middle of one, the axis hole side is formed with more than two across a certain distance and forms lubrication between oilhole and can make rotating shaft rotate semicircle smoothly oilhole, bolster forward and backward each form so that can be fixed in the extension piece of appropriate position, appropriate location is provided with so that make two pads respectively be arranged at the spring ditch hole of the both sides of bolster on the extension piece;

The pad outside establish with more than two with reverse setting and suitable flexible dish-shaped shell fragment is provided, these dish shell fragment central authorities have the axis hole that can be placed on the axostylus axostyle position;

One is located at the sleeve in the dish-shaped shell fragment outside, and sleeve central authorities have the axis hole that can be placed on the axostylus axostyle, and the sleeve inboard also is formed with oilhole;

One is sheathed on the spring of sleeve surface, the spring front end then colludes and places the spring ditch hole of being offered on the bolster extension piece, the spring outside establish one can with the positioning plate of rotating shaft interlock, positioning plate central authorities also have axis hole, axis hole upper and lower each form with the planar surface portion of the corresponding combination of planar surface portion of rotating shaft, positioning plate then extends to form in the bottom inwardly so that make the L matrix that can block spring outside the L matrix; The positioning plate outside then is provided with ends loose nut with the sealed nylon of above-mentioned each assembly.