CN101291026B - Pin-type load-off alarming device - Google Patents

Abstract

The invention provides a pin type unloading alarm device. The device comprises a hand wheel, an upper ratchet, a collar, a steel ball, a steel ball cushion, a lower ratchet, a transmission shaft, a connecting ring, a gasket, a bush, a locking spring, a flat washer, a bracket, a fixing sleeve, a handle, a pull rod spring and a pull rod. One end of the pull rod is connected with the handle. The upper ratchet, the lower ratchet, the transmission shaft, the connecting ring, the bush, the locking spring, the fixing sleeve, the pull rod spring and the pull rod are arranged on corresponding positions on the hand wheel and the bracket, so as to allow the upper ratchet to engage with the lower ratchet. The device is arranged in a center separation mechanism of a detachable electric connector, can integrate the functions of sound alarm and unloading, and can give a sound prompt signal and unload redundant load when a plug and a socket of the detachable electric connector are locked in place, so as to protect the center separation mechanism from damage, improve the reliability of the detachable electric connector and prolong the life-span of the detachable electric connector.

Description

Pin-type load-off alarming device

One, technical field

The present invention relates to the handwheel unloading warning device in the umbilical connector separating mechanism, belong to technical field of electric connectors.

Two, background technology

The center separating mechanism of umbilical connector is a device of realizing electric connector locking and separating action, and a handwheel generally all is housed at the tail end of center separating mechanism, the locking action of electrical connector plug socket realizes that by rotation hand wheel mechanism separating action is then realized by the pull bar in the separating mechanism of pulling center.But also there is following defective in handwheel of the prior art:

1, after plugs and sockets locking puts in place, can't provide information, so, can't judge accurately whether plugs and sockets plugs together to put in place.

2, after plugs and sockets locking put in place, if continue rotation hand wheel, the moment of handwheel still can be delivered on the correlated parts of center separating mechanism by transmission rod, makes the center separating mechanism damage because of being subjected to excessive load under the situation of no information.

Therefore the center separating mechanism of umbilical connector needs to set up the unloading warning device in its handwheel, so that after connector locking puts in place, provide information, the patent application that the applicant has submitted to " 2006100511426 slice spring hand wheel unloading device " is exactly to propose at this problem.

Three, summary of the invention

The objective of the invention is problem at the existence of umbilical connector center separating mechanism handwheel devices, handwheel unloading in a kind of umbilical connector separating mechanism warning device is provided once more, be pin-type load-off alarming device, to be used for the center separating mechanism of umbilical connector.

The objective of the invention is to realize by following approach:

Pin-type load-off alarming device of the present invention is by handwheel, last ratchet, collar, steel ball, bottom ratchet wheel, power transmission shaft, connecting ring, packing ring, lining, locking spring, support, fixed cover, handle, pull bar is formed, the fixedly connected described handle of pull bar one end wherein, and place handwheel and rack bore relevant position, last ratchet one end is fixedlyed connected with handwheel, the other end is inserted rack bore, and between this end of last ratchet and rack bore, install described collar, steel ball and steel ball pad, bottom ratchet wheel is sleeved on the outer and last ratchet engaged of lining, it is vertical that the ratchet slot of last ratchet and bottom ratchet wheel is set to one side, and another side has the angle of inclination; Power transmission shaft one end and connecting ring and packing ring are fixed, form the combination of power transmission shaft connecting ring, the other end fixedly is embedded in the bottom ratchet wheel, the connecting ring center is provided with internal thread and is connected with lining by this internal thread, lining is fixedlyed connected with support, the cavity place that locking spring places connecting ring combination and support to form, pull-rod spring is equipped with at the cavity place that fixed cover and lining, pull bar are formed.

The advantage of pin-type load-off alarming device of the present invention is: when the electrical connector plug socket locking of adopting this device is put in place; provide the auditory tone cues signal exactly and in time shed unnecessary load; center separating mechanism with the protection electric connector is not damaged; prolong its useful life; compare its more reliable performance with slice spring hand wheel unloading device.

Four, description of drawings

Fig. 1 is a pin-type load-off alarming device principal section view of the present invention;

Fig. 2 goes up the ratchet front view in the pin-type load-off alarming device of the present invention;

Fig. 3 is a bottom ratchet wheel front view in the pin-type load-off alarming device of the present invention;

Fig. 4 to Fig. 7 is that bottom ratchet wheel separates engagement process figure on the pin-type load-off alarming device of the present invention;

Fig. 8 is a pin-type load-off alarming device power transmission shaft connecting ring combined front view of the present invention;

Among the figure: 4-handwheel, the last ratchet of 5-, 6-collar, 7-steel ball, 8-steel ball pad, 9-bottom ratchet wheel, 10-power transmission shaft, 11-connecting ring, 12-packing ring, 13-lining, 14-locking spring, 15-plain washer, 16-support, 17-fixed cover, 18-handle, 19-pad, 20-pull bar.

Five, embodiment

Below in conjunction with accompanying drawing pin-type load-off alarming device of the present invention is elaborated;

As shown in Figure 1, pin-type load-off alarming device of the present invention is made up of handwheel 4,last ratchet 5,collar 6, steel ball 7, steel ball pad 8,bottom ratchet wheel 9,power transmission shaft 10, connectingring 11,packing ring 12, lining 13, locking spring 14, plain washer 15, support 16, fixed cover 17, handle 18, pull-rod spring 19, pull bar 20 etc., wherein pull bar 20 is band step axostylus axostyle, at the fixedly connected described handle 18 of one end, and place handwheel 4 and support 16 inner chamber relevant positions, be fixed by fixed cover 17;Last ratchet 5 one ends and handwheel 4 by separately with screw thread fixedly connected, the other end is inserted support 16 inner chambers, and betweenlast ratchet 5 these ends and rack bore, install describedcollar 6, steel ball 7 and steel ball pad 8,bottom ratchet wheel 9 is sleeved on lining 13 outer andlast ratchet 5 engagements, so that when going upratchet 5 rotations, the moment oflast ratchet 5 transmits torque on thebottom ratchet wheel 9 by ratchet, drivingbottom ratchet wheel 9 rotates together, it is vertical that the ratchet slot oflast ratchet 5 andbottom ratchet wheel 9 is set to one side, and another side is with the angle tilt of 55 degree;Power transmission shaft 10 1 ends and connectingring 11 andpacking ring 12 are fixing, form the combination of power transmission shaft connecting ring, and as shown in Figure 8, the other end is embedded in thebottom ratchet wheel 9, and whenbottom ratchet wheel 9 rotations,bottom ratchet wheel 9 will combine rotation with the power transmission shaft connecting ring that is embedded in wherein; Connectingring 11 centers are provided with internal thread, be connected with lining 13 by this internal thread, be respectively equipped with key and keyway on lining 13 and the support 16, the key that connects back bush 13 can slide along keyway, locking spring 14 places the cavity place of combination of power transmission shaft connecting ring and support 16 formation, and with the cavity place that lining 13, pull bar 20 are formed pull-rod spring 19 is installed at fixed cover 17.

Pin-type load-off alarming device of the present invention is generally installed on the plug of umbilical connector.

In the above-mentioned unloading warning device, the effect of handwheel 4 is to accept outside moment,last ratchet 5 be with from the transmission of torque of handwheel tobottom ratchet wheel 9,collar 6 and fixed cover 17 are used for fixing the remaining parts except that handwheel 4, handle 18, steel ball 7 forms rolling friction withcollar 6 and steel ball pad 8, to reduce coefficient of friction, steel ball pad 8 also can be isolated steel ball 7 andlast ratchet 5 in addition, to improve the useful life of going upratchet 5, lining 13 is accepted from the moment (by the screw thread transmission) of connectingring 11 and is converted thereof into self rectilinear motion vertically; Locking spring 14 provides reset force for the bottom ratchet wheel in thewarning device 9; Pull-rod spring 19 is used to make pull bar 20 to reset.

Unloading warning device of the present invention is installed in the umbilical connector, when the plugs and sockets of electric connector need plug together locking, rotation hand wheel 4, moment on the handwheel 4 transmits torque on the lining 13 bylast ratchet 5,bottom ratchet wheel 9,power transmission shaft 10, connectingring 11, because be set with key on the lining 13, this key has directly stretched in the keyway of support 16, and support 16 is fixed, so lining 13 will change into the rectilinear motion of lining 13 from the moment of connecting ring 11.In this process, the moment of handwheel 4 need overcome the effect from the reaction force of parts such as locking spring 14, lining 13, and plugs and sockets is plugged together gradually.At above-mentioned locking spring 14, in the reaction force of lining 13 parts such as grade, the power that has the greatest impact is the reaction force of lining 13, when plugs and sockets plugs together locking when putting in place, reaction moment of lining 13 becomes infinity, this reaction force is delivered on thebottom ratchet wheel 9 by connectingring 11 andpower transmission shaft 10, at this moment, act on countertorque on thebottom ratchet wheel 9 much larger than the moment that acts on theratchet 5 from handwheel 4, the moment that is handwheel 4 can't impelbottom ratchet wheel 9 to continue rotation, this moment is if continue rotation hand wheel 4, because the existence of ratchet inclined-plane (55 degree) is arranged, the ratchet inclined-plane oflast ratchet 5 will produce sliding friction with the ratchet inclined-plane ofbottom ratchet wheel 9, and like this, the sliding friction by 9 oflast ratchet 5 and bottom ratchet wheels is consumed from the moment of handwheel 4, be that unnecessary load obtains removal, thereby realize offloading functions of the present invention.

Simultaneously, plugs and sockets plugs together locks when putting in place, because the countertorque on thebottom ratchet wheel 9 is much larger than the moment from handwheel 4 that acts on theratchet 5, so, this moment, the moment of handwheel 4 can't impelbottom ratchet wheel 9 to continue rotation, andbottom ratchet wheel 9 is moved along directions X, the reseting movement ofbottom ratchet wheel 9 then relies on the elastic force of locking spring 14 to realize.Fig. 4 to Fig. 7 goes upratchet 5 andbottom ratchet wheel 9 from mesh, separate gradually, be separated to fully the whole process that resets and mesh.When last bottom ratchet wheel when complete released state (Fig. 6) is transformed into the engagement that resets (Fig. 7), the ratchet oflast ratchet 5 andbottom ratchet wheel 9 can produce an of short duration noncontact process, at this moment, the elastic force of locking spring 14 will forcebottom ratchet wheel 9 to mesh again withlast ratchet 5 rapidly, again Nie He moment, clash into action owing to there is one between the ratchet oflast ratchet 5 andbottom ratchet wheel 9, so, can send clear and melodious bump sound, thereby realize pin-type load-off newspaper warning device audible alarm function of the present invention.

Claims (3)

1. pin-type load-off alarming device, it is characterized in that: this discharge mechanism is by handwheel (4), last ratchet (5), collar (6), steel ball (7), steel ball pad (8), bottom ratchet wheel (9), power transmission shaft (10), connecting ring (11), packing ring (12), lining (13), locking spring (14), plain washer (15), support (16), fixed cover (17), handle (18), pull-rod spring (19), pull bar (20) is formed, the fixedly connected described handles of pull bar (20) one ends (18), and place handwheel (4) and support (16) inner chamber relevant position, last ratchet (5) one ends are fixedlyed connected with handwheel (4), the other end is inserted support (16) inner chamber, and between itself and support (16) inner chamber installing described collar (6), steel ball (7) and steel ball pad (8), bottom ratchet wheel (9) is sleeved on outer and last ratchet (5) engagement of lining (13), it is vertical that the ratchet slot of last ratchet (5) and bottom ratchet wheel (9) is set to one side, and another side has the inclination angle; Power transmission shaft (10) one ends and connecting ring (11) and packing ring (12) are fixing, form the combination of power transmission shaft connecting ring, the other end fixedly is embedded in the bottom ratchet wheel (9), connecting ring (11) center is provided with internal thread and is connected with lining (13) by this internal thread, lining (13) is connected with keyway by key with support (16), the cavity place that locking spring (14) places connecting ring combination and support (16) to form, fixed cover (17) is equipped with pull-rod spring (19) with the cavity place that lining (13), pull bar (20) are formed.

2. by the described pin-type load-off alarming device of claim 1, it is characterized in that: the described ratchet slot inclined plane angle that goes up ratchet (5) and bottom ratchet wheel (9) is 55 degree.

3. by the described pin-type load-off alarming device of claim 1, it is characterized in that: this discharge mechanism is installed on the plug of umbilical connector.

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