CN206179799U - Movable contact spring of relay anti -deflection mechanism - Google Patents

Abstract

The utility model discloses a movable contact spring of relay anti -deflection mechanism, including movable contact assembly, movable contact assembly includes the movable contact spring, and the movable contact spring is fixed mutually with the catch bar, and the hypomere of catch bar is fixed with moving the iron core mutually, and the last period number of catch bar fixes more than the yoke and with the movable contact spring mutually, be equipped with the locating plate on the yoke, between the left part and locating plate of movable contact spring, all be connected with one between the right part of movable contact spring and the locating plate and return the power spring, the drag hook that returns power spring upper end is fixed mutually with upper sliding rod, the drag hook that returns power spring lower extreme is fixed mutually with lower sliding rod, upper sliding rod is fixed with the movable contact spring, lower sliding rod is fixed with the locating plate, the drag hook that returns power spring upper end can slide on upper sliding rod, the drag hook that returns power spring lower extreme can slide on lower sliding rod, upper sliding rod's the equal integrated into one piece in both ends has an upper sliding rod stationary hump and constitutes the U -shaped structure, one end that upper sliding rod stationary hump kept away from upper sliding rod with the movable contact spring is fixed.

Description

A kind of relay movable reed anti-deflection mechanism

Technical field

The utility model is related to a kind of HVDC relay, and in particular to a kind of relay movable reed anti-deflection mechanism.

Background technology

In the patent document of the Application No. 201610276456.X of the applicant, disclosing one kind can prevent when in use The relay of movable contact spring horizontal direction deflection, but relay is when component assembly is carried out, and reality after movable contact spring assembling can often occur Position after position and the inconsistent situation in setting position, i.e. movable contact spring assembling deflects with respect to setting position, so that returning power bullet Spring upper end offsets, and makes to return power spring and is changed along the power on catch bar axial direction, can cause the sound contact can not disjunction in time, meeting Performance to relay is impacted.Because location-plate is fixed with yoke, it is impossible to changed by way of rotating yoke The position of power lower spring end is returned in change；In this case, in order to ensure the timely disjunction in sound contact, it is necessary to select that elastic force is bigger to be returned Power spring, and in order to ensure that sound contact can contact in time（Offset the increased power of returning spring pulling force）, in addition it is also necessary to use work( The bigger magnetic circuit of rate so that relay cost is greatly improved.

The content of the invention

The purpose of this utility model is to provide one kind and is avoided that because of assembling reason so that sound contact can not disjunction, energy rapidly Ensure a kind of normal relay movable reed anti-deflection mechanism for using of relay.

To achieve the above object, the utility model is adopted the following technical scheme that：A kind of relay movable reed anti-deflection mechanism, Including movable contact component, the movable contact component includes movable contact spring, and movable contact spring is mutually fixed with catch bar, catch bar move up and down with Drive movable contact spring to move up and down, catch bar includes epimere and hypomere, and hypomere and the dynamic iron core of catch bar mutually fix, catch bar it is upper Section is located at more than yoke and is mutually fixed with movable contact spring, and the yoke is provided with location-plate, the left part and location-plate of the movable contact spring Between, be respectively connected with one between the right part of movable contact spring and location-plate and return power spring, drag hook and the upper cunning of the power of the returning spring upper end Bar is mutually fixed, and the drag hook of the power of the returning lower spring end is mutually fixed with drop shot, and the upper slide bar is fixed with movable contact spring, the downslide Bar is fixed with location-plate, and the drag hook of the power of the returning spring upper end can be slided on upper slide bar, the drag hook of the power of the returning lower spring end Can be slided on drop shot, the two ends of the upper slide bar integrally formed with a upper slide bar fixed lobe and constitute U-shaped structure, institute One end that upper slide bar fixed lobe is stated away from upper slide bar is fixed with the movable contact spring, and the upper slide bar is located at movable contact spring upside Or movable contact spring downside or movable contact spring outside.

When movable contact spring rigging position with respect to setting position deflect when, due to return power spring upper and lower side drag hook can slide with Change position, return power spring can under its own resilient effect automatic adjusting position, so as to return the length reduction of power spring, so as to change Change returns power spring along the size for promoting the power on rod axis, so that returning power spring has the pulling force for enough pulling down movable contact spring, To ensure the rapid disjunction of relay sound contact.The utility model is avoided that caused by assembling reason causes movable contact spring to deflect Sound contact can not disjunction rapidly, and for preventing from catch bar from moving up and down to drive movable contact spring to deflect.

Choosing multiple mode is such as welded and fixed, close-fitting is fixed, or make cunning so that upper slide bar projection is fixed with movable contact spring Bar, upper slide bar are raised, movable contact spring is integrally formed setting；Wherein, upper slide bar fixed lobe can be with dynamic spring away from one end of upper slide bar Piece lower surface is fixed so that upper slide bar fixed lobe is located at movable contact spring lower section, or is fixed with movable contact spring upper surface so that upper slide bar is solid It is fixed raised positioned at movable contact spring top, or fixed with movable contact spring sidewall end face so that upper slide bar fixed lobe is located at movable contact spring side； When upper slide bar is located at movable contact spring top, upper slide bar fixed lobe constitutes reverse U shape structure with upper slide bar, and movable contact spring is settable Have for returning power spring by through groove or breach；When upper slide bar fixed lobe and movable contact spring close-fitting are fixed, movable contact spring should be provided with The mating groove being engaged with upper slide bar fixed lobe lower end.

Preferably, the two ends of the drop shot integrally formed with a drop shot fixed lobe and constitute n shape structures, institute The lower end for stating drop shot fixed lobe is mutually fixed with the location-plate.Choosing multiple mode is so that drop shot projection and positioning Plate is fixed, or drop shot, drop shot projection, movable contact spring is integrally formed setting.

Preferably, the two ends of the drop shot coordinate with a drop shot fixed lobe, the drop shot passes through one Individual drop shot fixed lobe is simultaneously fixed with another drop shot fixed lobe screw thread or close-fitting, and the drop shot fixed lobe is formed There are the through hole or fluting for coordinating the drop shot.

Can make drop shot two ends with diameter greater than the diameter in the middle of drop shot, and got on the bus external threads at drop shot two ends, Drop shot fixed lobe is set to form the female tapped through hole of tool or thread groove, so that drop shot two ends glide with one Bar fixed lobe is screwed；Drop shot one end car can be gone out screw thread, make to fix convex with two drop shots that the drop shot coordinates A drop shot fixed lobe in rising is formed through hole, another in the two drop shot fixed lobes coordinated with the drop shot One drop shot fixed lobe is formed with tapped through hole or thread groove；A drop shot fixed lobe can be made to be formed through hole Or fluting, another drop shot has been convexed to form close-fitting hole or close-fitting groove, one end of drop shot is located in through hole or fluting, The other end of drop shot is fixed with drop shot fixed lobe close-fitting.

Preferably, where plane, the movable contact spring where plane, the downslide rod axis where the upper slide bar axis Plane is arranged in parallel；The upper slide bar axis sets to be generally aligned in the same plane with drop shot diameter parallel, or the upper cunning Rod axis are set with drop shot Axis Cross.Above-mentioned setting to avoid the utility model relay when in use, i.e. catch bar band Dynamic movable contact spring returns power spring and is moved on upper drop shot when moving up and down.Wherein, according to movable contact spring assembling after deviation post, return The size of power spring force, is set with the position to upper slide bar and drop shot, as needed so that slide bar axis is put down up and down It is capable or arranged in a crossed manner.

Preferably, being fixed with two movable contacts on the movable contact spring, two movable contacts are located at movable contact spring with respect to two respectively The wherein side of side, the power of the returning spring is not lain on the same line with the tie point of movable contact spring with movable contact.Return power spring Between on the tie point line not between two movable contacts of movable contact spring, be not also located at two movable contacts on the extended line of line, For the resigning to movable contact, the resigning to magnet steel is also used for, it is to avoid return when power spring is assembled or return the slip of power spring upper and lower side When collision with the utility model other parts, to reduce volume, extension the utility model relay of the utility model relay The service life of device.

Preferably, the drag hook of the drag hook of the power of the returning spring upper end and lower end structure in a ring.Above-mentioned setting can be protected Stability of the present utility model is demonstrate,proved, drop shot is departed to avoid the upper end for returning power spring from departing from upper slide bar, lower end.

Preferably, the movable contact spring is in promote rod axis place plane as the bilateral symmetry of the plane of symmetry or to push away Point is the centrosymmetric structure of symmetric points on lever axis, and it is in that the plane where promoting rod axis is the plane of symmetry that two are returned power spring Bilateral symmetry or to promote the centrosymmetric structure put on rod axis as symmetric points.Power bullet can be returned to two as needed The position of spring is configured, and anti-deflection active force of the power spring to movable contact spring is returned to improve

During assembling, when movable contact spring rigging position with respect to setting position deflect, return power spring elastic force itself effect under from Dynamic adjustment position, that is, return power spring upper end drag hook slided on upper slide bar, return power lower spring end drag hook slided on drop shot with Make to return the length reduction of power spring, so that changing, power spring is returned along the size for promoting the power on rod axis, so as to return power spring tool There is the pulling force for enough pulling down movable contact spring, to ensure the rapid disjunction of relay sound contact.When using, because this practicality is new The movable contact spring two ends of type are to be tightened up to act on location-plate respectively, therefore, two are returned power spring and there is one to prevent to move all the time The active force that reed horizontally rotates, so as to ensure the accurate alignment of movable contact and stationary contact, it is ensured that sound contact can be reliably accurate Ground contact, it is to avoid movable contact spring contacts the generation of causing trouble with other parts.The utility model is former because assembling with being avoided that Sound contact caused by causing movable contact spring to deflect can not disjunction rapidly advantage, and with prevent catch bar from moving up and down with Drive the advantage of movable contact spring deflection.

Brief description of the drawings

Fig. 1 is a kind of sectional view of the present utility model.

Specific embodiment

The utility model is further described below according to the drawings and specific embodiments.

As shown in Figure 1, a kind of relay movable reed anti-deflection mechanism of the present utility model, including movable contact component, moves and touches Point component includes movable contact spring 1 and two movable contacts being arranged on movable contact spring, and movable contact spring 1 links with catch bar 2, and movable contact spring 1 is in Bilateral symmetry with plane where the axis of catch bar 2 as the plane of symmetry, the epimere of catch bar 2 be located at more than yoke and with dynamic spring Piece 1 is mutually fixed, and yoke is provided with location-plate 4, between the left end and location-plate 4 of movable contact spring 1, the right-hand member of movable contact spring 1 and location-plate 4 Between be respectively connected with one and return power spring 5.The left and right two ends of movable contact spring 1 are mutually fixed with a upper slide bar 6, are fixed with location-plate 4 Two drop shots 7, the drag hook for returning the upper end of power spring 5 is fixed with a upper slide bar 6 respectively, returns the drag hook difference of the lower end of power spring 5 Fixed with a drop shot 7.Wherein, the drag hook for returning the upper end of power spring 5 can be slided on upper slide bar 6, return the drag hook of the lower end of power spring 5 Can be slided on drop shot 7.Wherein, the rear and front end of movable contact spring is respectively and fixedly provided with a movable contact, and two are returned power spring 5 with dynamic spring The line between line, two movable contact centers between piece tie point has intersected to form angle.

The axis of upper slide bar 6, the axis of drop shot 7 be arranged in parallel with the place plane of movable contact spring 1, the axis of upper slide bar 6 with glide The diameter parallel of bar 7 is set.Return the drag hook structure in a ring of the top and bottom of power spring 5.The two ends of upper slide bar 6 are respectively with one Upper slide bar fixed lobe 10 is mutually fixed and constitutes U-shaped structure, and upper slide bar 6 is arranged at the lower section of movable contact spring 1, upper slide bar fixed lobe 10 It is welded and fixed with the lower surface of movable contact spring 1.The two ends of drop shot 7 match with a drop shot fixed lobe 9 and merge composition n shape knots Structure, the lower end of drop shot fixed lobe 9 is mutually fixed with location-plate 4.

The epimere of catch bar 2 is arranged with back-moving spring 8, and back-moving spring 8 is compression spring and is located at location-plate 4 and movable contact spring 1 Between；Yoke center is formed with yoke through hole up and down through yoke, and it is raised that location-plate 4 is formed with the location-plate for extending downwardly 41, in yoke through hole, location-plate projection 41 is formed with location-plate through hole up and down through location-plate to location-plate 41 close-fittings of projection, Location-plate through hole passes through for catch bar 2, and location-plate through hole is located at the center of location-plate 4.

The utility model returns power spring by not setting one in movable contact spring or so two parts, on the one hand can provide sound and touch The disjunction power of point, to return power spring acted directly on movable contact spring due to two, therefore can be made when sound contact needs and separates Contact and stationary contact quick separating, relay response are rapid；Further, since movable contact spring two ends are tightened up act on location-plate respectively On, therefore, two are returned power spring and have one all the time and prevent the active force that horizontally rotates of movable contact spring, so as to ensure movable contact and quiet The accurate alignment of contact, it is ensured that sound contact reliably can accurately contact, it is to avoid movable contact spring is contacted with other parts causes event The generation of barrier.

During assembling, when the rigging position of movable contact spring is deflected with respect to setting position, upper slide bar is enclosed within due to returning power spring upper end Outward, return power spring upper end to be enclosed within outside drop shot, return power spring automatic adjusting position under the effect of elastic force itself, that is, return on power spring End slides on upper slide bar, return power lower spring end slides on drop shot so as to return the length reduction of power spring, so as to change return Power spring is along the size for promoting the power on rod axis, so that returning power spring has the pulling force for enough pulling down movable contact spring, to protect The rapid disjunction of card relay sound contact.The utility model have be avoided that because assembling reason cause movable contact spring deflect caused by Sound contact can not disjunction rapidly advantage, and have the advantages that to prevent catch bar from moving up and down to drive movable contact spring to deflect.

Claims (7)

1. a kind of relay movable reed anti-deflection mechanism, it is characterised in that including movable contact component, the movable contact component includes Movable contact spring, movable contact spring is mutually fixed with catch bar, and catch bar is moved up and down to drive movable contact spring to move up and down, and catch bar includes epimere And hypomere, hypomere and the dynamic iron core of catch bar mutually fix, and the epimere of catch bar is located at more than yoke and is mutually fixed with movable contact spring, institute State yoke and be provided with location-plate, connect between the left part and location-plate of the movable contact spring, between the right part of movable contact spring and location-plate Be connected to one and return power spring, the drag hook of the power of the returning spring upper end is mutually fixed with upper slide bar, the drag hook of the power of the returning lower spring end with Drop shot is mutually fixed, and the upper slide bar is fixed with movable contact spring, and the drop shot is fixed with location-plate, the power of the returning spring upper end Drag hook can be slided on upper slide bar, and the drag hook of the power of the returning lower spring end can be slided on drop shot, the two ends of the upper slide bar Integrally formed with a upper slide bar fixed lobe and U-shaped structure is constituted, the one end of the upper slide bar fixed lobe away from upper slide bar Fixed with the movable contact spring, the upper slide bar is located at movable contact spring upside or movable contact spring downside or movable contact spring outside.

2. a kind of relay movable reed anti-deflection mechanism according to claim 1, it is characterised in that the two of the drop shot End integrally formed with a drop shot fixed lobe and constitutes n shape structures, the lower end of the drop shot fixed lobe with it is described Location-plate is mutually fixed.

3. a kind of relay movable reed anti-deflection mechanism according to claim 1, it is characterised in that the two of the drop shot End coordinates with drop shot fixed lobe, the drop shot through a drop shot fixed lobe and with another drop shot Fixed lobe screw thread or close-fitting are fixed, and the drop shot fixed lobe is formed with for coordinating the through hole of the drop shot or opening Groove.

4. a kind of relay movable reed anti-deflection mechanism according to claim 1 or 2 or 3, it is characterised in that the upper cunning Plane where plane, the movable contact spring where plane, the downslide rod axis where rod axis is arranged in parallel；The upper cunning Rod axis set to be generally aligned in the same plane with drop shot diameter parallel, or the upper slide bar axis sets with drop shot Axis Cross Put.

5. a kind of relay movable reed anti-deflection mechanism according to claim 1 or 2 or 3, it is characterised in that the dynamic spring Two movable contacts are fixed with piece, two movable contacts are respectively positioned at the wherein side of movable contact spring opposite sides, the power of the returning spring Tie point with movable contact spring is not lain on the same line with movable contact.

6. a kind of relay movable reed anti-deflection mechanism according to claim 1 or 2 or 3, it is characterised in that the power of returning The drag hook of spring upper end and the drag hook of lower end structure in a ring.

7. a kind of relay movable reed anti-deflection mechanism according to claim 1 or 2 or 3, it is characterised in that the dynamic spring Piece is in that the plane where promoting rod axis put as in symmetric points on rod axis as the bilateral symmetry of the plane of symmetry or to be promoted Heart symmetrical structure, it is in promote rod axis place plane as the bilateral symmetry of the plane of symmetry or with catch bar that two are returned power spring Point is the centrosymmetric structure of symmetric points on axis.