CN201056926Y - Pop-out door hinge of centrifugal machine - Google Patents

Abstract

The utility model relates to a centrifugal machine door hinge which can spring open. The case cover and the case body of the traditional centrifugal machine are connected by a hinge, the opening of the case cover is time wasted and labor wasted, the technical proposal of the utility model is that the door hinge can automatically spring open with the aid of the elasticity of the spring, the door hinge comprises a hinge adaptor, a plastic clamping ring, a big round pin, a big round pin sleeve, a small round pin sleeve, a small round pin, a square nut, a plastic filler piece, a spring, a hinge seat, a fluted draw rod, an adjusting screw bolt, a spring seat, a screw bolt support, a cushion ring, and a locating sheet. When the door lock of the case cover is opened, the case cover can be drawn to open a certain angle under the function of the spring force. The utility model has the advantages that the operation of the case cover opening becomes easy during the operation process of the centrifugal machine, the time and the labor can be saved, the operation is safe, the operating efficiency is improved, and the equipment is more user-friendly.

Description

Centrifuge can flick door hinge

Technical field

The utility model relates to the connector of a kind of metal cabinet and metal case lid, particularly relates to a kind of metal case lid of centrifuge and the hinge that is connected of metal cabinet.

Background technology:

Prior art is that metal case lid one end of common centrifuge is connected as hinge with hinge with metal cabinet, and during centrifuge work, the metal case lid other end is locked on the metal cabinet, with plan safety; During end-of-job, open lock, for the sample that takes out separator well needs firmly to lift the metal case lid other end with hand, this process wastes time and energy, and influences the raising of operating efficiency.

Summary of the invention

In order to overcome the deficiencies in the prior art, the purpose of this utility model provides a kind of centrifuge can flick door hinge, the technical solution of the utility model is the door hinge of a kind of special use of design, elastic force by spring, the automatically rebounding open door hinge of energy, the technical solution of the utility model is to come specific implementation by following technical measures: a kind of centrifuge that connects centrifuge metal case lid and metal cabinet can flick door hinge, it is characterized in that it is by knuckle joint 1, plastics clamping ring 2, big round pin 3, great circle guide 4, roundlet guide 5, roundlet pin 6, square nut 7, plastic spacer 8, spring 9, hinge seat 10, flute profile pull bar 11, adjust screw rod 12, spring base 13, screw rod supports 14, packing ring 15 and spacer 16 are formed.Wherein: on the two flank limits with the stamping forming flute profile knuckle joint 1 of steel sheet a slotted hole is arranged respectively, pass this slotted hole, knuckle joint 1 is fixed on the rear side of metal case lid by two pan head screws; On the two flank limits of the hinge seat 10 of back sealing, bottom-open, long recess shape a plurality of circular holes and slotted hole are arranged, will be installed in the appropriate location of metal cabinet rear side with the stamping forming hinge seat 10 of steel sheet by pan head screw; The dual-side of flute profile knuckle joint 1 connects by the big round pin 3 that shoulder is arranged in the middle of being positioned at the dual-side of flute profile hinge seat 10, and the riveting jail, end of the big round pin 3 of external part makes two parts can be around the good connection of rotating of big round pin 3 central axis; Great circle guide 4 kinks are in the periphery of big round pin 3, pass together on the side of knuckle joint 1 and hinge seat 10 connecting hole and at interval at two plastics clamping rings 2 of above-mentioned two part sides, great circle guide 4 is combined by the nylon jacket and the outer field stainless steel sleeve of internal layer; The also parallel roundlet pin 6 that is equipped with in the back upper place of big round pin 3 positions on the dual-side of flute profile knuckle joint 1, having the roundlet pin 6 of shoulder to pass the outside is that flute profile pull bar 11 dual-sides, inboard are flute profile knuckle joint 1 dual-side and the middle roundlet guidees of being close to 5, the riveting jail, end of the roundlet pin 3 of external part, roundlet guide 5 also are that nylon jacket is with the combination cover of Bu Rust steel bushing; Flute profile pull bar 11 is members that a rectangular thin steel band pressing and bending becomes long trough, the both sides long side is near groove shaped hinge seat 10 inboard both sides, the gap that relative slip is arranged, the dual-side of flute profile pull bar 11 upper end open clamps flute profile knuckle joint 1 dual-side, and by 6 connections of roundlet pin, the lower end planar central of flute profile pull bar 11 has individual through hole; On the adjustment screw rod 12 at the center of flute profile pull bar 11, square nut 7, plastic spacer 8, spring 9, spring base 13, screw rod support 14, packing ring 15 are installed from top to bottom successively, are adjusted through hole and spacer 16 riveted joints that the lower end planar central of flute profile pull bar 11 is passed in screw rod 12 lower ends; Rotational positioning sheet 16, promptly rotate and adjust screw rod 12, the position that is subjected to flute profile pull bar 11 because of the square nut 7 of adjusting screw rod 12 upper ends limits, can not rotate, can only move up and down, thereby make spring compression or elongation along adjusting screw rod 11, when case lid is shut, with big round pin 3 is fulcrum, moves in the assembly meeting all of the whole flute profile pull bar that links to each other with knuckle joint 1, and spring is in compressive state; Door-lock opening when case lid, the spring pressure of compression obtains discharging, and the spring elongation spurs flute profile pull bar 11 and flute profile knuckle joint 1 in the hinge downwards, drive case lid and rotate around big round pin 3. central axis, promptly case lid can be pulled and open certain angle under the effect of society's spring force.Turn spacer 16 just can regulating spring flicks the size of power, just can regulate the automatically rebounding open moment of case lid on demand.

Structure of the present utility model also suits to use on other casing, case lid.

Good effect of the present utility model is that the unpacking lid action in the centrifuge operating process becomes easily, and is time saving and energy saving, not only safe but also can increase work efficiency, and makes the more apparent hommization of equipment.

Description of drawings

Accompanying drawing is the structural representation (case lid is in the state that flicks) of an embodiment device of the present utility model.

Among the figure 1, knuckle joint; 2, plastics clamping ring; 3, big round pin; 4, great circle guide; 5, roundlet guide; 6, little round pin; 7, square nut; 8, plastic spacer; 9, spring; 10, hinge seat; 11, flute profile pull bar; 12, adjust screw rod; 13, spring base; 14, screw rod supports; 15, packing ring; 16, location-plate.

The specific embodiment

The utility model is described in further detail below in conjunction with embodiment and accompanying drawing:

Present embodiment is the flicked door hinge on a kind of TDL-5C of being applied in type low speed desk centrifuge, stop the rear side appropriate location a pair of door hinge that flicks of installation at centrifuge case lid, case and connect case lid and casing, this kind can flick door hinge and be made up of knuckle joint 1, plastics clamping ring 2, big round pin 3, great circle guide 4, roundlet guide 5, roundlet pin 6, square nut 7, plastic spacer 8, spring 9, hinge seat 10, flute profile pull bar 11, adjustment screw rod 12, spring base 13, screw rod support 14, packing ring 15 and spacer 16.This hinge length overall 191.5mm, beam overall 71mm, wherein: on the two flank limits of the stamping forming flute profile knuckle joint 1 of steel plate that employing 1.5mm is thick ф 5 * 10mm slotted hole is arranged respectively, pass this slotted hole by two M5 pan head screws, knuckle joint 1 is fixed on the rear side of metal case lid; Adopt that the thick steel plate of 1.5mm is stamping forming, a plurality of circular holes and slotted hole are arranged on the two flank limits of the hinge seat 10 of back sealing, bottom-open, long recess shape, hinge seat 10 is installed in the appropriate location of metal cabinet rear side by the M5 pan head screw; The dual-side of flute profile knuckle joint 1 is positioned at middle big round pin 3 connections of ф 4.75mm by shoulder is arranged of dual-side of flute profile hinge seat 10, and the riveting jail, end of the big round pin 3 of external part can well be rotated two parts around big round pin 3 central axis; Great circle guide 4 kinks are in the periphery of big round pin 3, pass knuckle joint 1 and the connecting hole of hinge seat 10 together and at interval at two plastics clamping rings 2 of above-mentioned two part dual-sides, great circle guide 4 is that the nylon jacket of 0.75mm and stainless steel sleeve that outer field wall thickness is 1.5mm combine by the wall thickness of internal layer; The also parallel roundlet pin 6 that is equipped with in the back upper place of big round pin 3 positions on the dual-side of flute profile knuckle joint 1, having the ф 4.7mm roundlet pin 6 of shoulder to pass the outside is that flute profile pull bar 11 dual-sides, inboard are flute profile knuckle joint 1 dual-side and the middle roundlet guidees of being close to 5, the riveting jail, end of the roundlet pin 3 of external part, roundlet guide 5 also are that nylon is with Bu Rust steel combination cover; Flute profile pull bar 11 is members that a thick rectangular steel band of 1.5mm is bent into long trough, the both sides long side is near groove shaped hinge seat 10 inboard both sides, relative slip can be arranged, the dual-side of upper end open clamps flute profile knuckle joint 1 dual-side, and by 6 connections of roundlet pin, the lower end planar central of flute profile pull bar 11 has individual through hole; (wherein epimere 38mm long be screw thread M6) long at the 132mm at the center of flute profile pull bar 11 adjusts on screw rod 12, M6 square nut 7, plastic spacer 8, spring 9, spring base 13, screw rod support 14, packing ring 15 are installed from top to bottom successively, are adjusted through hole and spacer 16 riveted joints that flute profile pull bar 11 lower end planar central are passed in screw rod 12 lower ends; Screw rod in the said process supports 14 and adopts nylon to make; Spring 9 is the springs that become the high 93mm of ф 24.5mm with ф 4.25mm wire loop.Rotational positioning sheet 16, promptly rotate and adjust screw rod 12, the position that is subjected to flute profile pull bar 11 because of the square nut 7 of adjusting screw rod 12 upper ends limits, can not rotate, can only move up and down, thereby make spring 9 compression or elongation along adjusting screw rod 11, when case lid is shut, with big round pin 3 is fulcrum, moves in the assembly meeting all of the whole flute profile pull bar 11 that links to each other with knuckle joint 1, and spring is in compressive state; When the door-lock opening of case lid, the spring pressure of compression obtains discharging, the spring elongation, spur flute profile pull bar 11 and flute profile knuckle joint 1 in the hinge downwards, drive case lid and rotate around big round pin 3 central axis, promptly under the effect of elastic force, case lid can be pulled opens certain angle.Turn spacer 16 just can regulating spring flicks the size of power, just can regulate the automatically rebounding open moment of case lid on demand.

Claims (4)

1. a centrifuge that connects centrifuge metal case lid and metal cabinet can flick door hinge, it is characterized in that it is by knuckle joint [1], plastics clamping ring [2], big round pin [3], great circle guide [4], roundlet guide [5], little round pin [6], square nut [7], plastic spacer [8], spring [9], hinge seat [10], flute profile pull bar [11], adjust screw rod [12], spring base [13], screw rod supports [14], packing ring [15] and spacer [16] are formed, wherein: on the two flank limits of flute profile knuckle joint [1] slotted hole is arranged respectively, pass this slotted hole by two pan head screws, knuckle joint [1] is fixed on the rear side of metal case lid; On the two flank limits of the hinge seat [10] of back sealing, bottom-open, long recess shape a plurality of circular holes and slotted hole are arranged, hinge seat [10] is installed in the appropriate location of metal cabinet rear side by pan head screw; The dual-side of flute profile knuckle joint [1] connects by the big round pin [3] that shoulder is arranged in the middle of being positioned at the dual-side of flute profile hinge seat [10], and the riveting jail, end of the big round pin [3] of external part makes two parts can be around the good connection of rotating of big round pin [3] central axis; Great circle guide [4] kink is in the periphery of big round pin [3], pass together on the side of knuckle joint [1] and hinge seat [10] connecting hole and at interval at two plastics clamping rings [2] of above-mentioned two part sides; The also parallel little round pin [6] that is equipped with in the back upper place of big round pin [3] position on the dual-side of flute profile knuckle joint [1], having the little round pin [6] of shoulder to pass the outside is that flute profile pull bar [11] dual-side, inboard are flute profile knuckle joint [1] dual-side and the middle roundlet guidees of being close to [5], the riveting jail, end of the little round pin [3] of external part; Flute profile pull bar [11] is the member that a rectangular steel band is bent into long trough, the both sides long side is near the inboard both sides of groove shaped hinge seat [10], the gap that relative slip is arranged, the dual-side of flute profile pull bar [11] upper end open clamps flute profile knuckle joint [1] dual-side, and by little round pin [6] connection, the lower end planar central of flute profile pull bar [11] has individual through hole; On the adjustment screw rod [12] in the centre of flute profile pull bar [11], square nut [7], plastic spacer [8], spring [9], spring base [13], screw rod support [14], packing ring [15] are installed from top to bottom successively, are adjusted through hole and spacer [16] riveted joint that the lower end planar central of flute profile pull bar [11] is passed in screw rod [12] lower end.

2. centrifuge according to claim 1 can flick door hinge, it is characterized in that described great circle guide [4] is combined by the nylon jacket and the outer field stainless steel sleeve of internal layer.

3. centrifuge according to claim 1 can flick door hinge, it is characterized in that described roundlet guide [5] is combined by the nylon jacket and the outer field stainless steel sleeve of internal layer.

4. centrifuge according to claim 1 can flick door hinge, it is characterized in that described knuckle joint [1], hinge seat [10], flute profile pull bar [11] all adopt the punching press of steel sheet material to make.

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