CN2578252Y - Safe closing component of tank cover - Google Patents

Abstract

The utility model provides a safe locking device of an oil tank cover, which is especially the innovative and practical design with safety and operating convenience. The utility model has the structural design that a bottom seat is used for two isomorphic clamping components which are reversely assembled and is closed and spaced by a shim; a valve shim seat is arranged above the shim, a lock seat is sheathed in a bottom casing by through holes which are arranged in the valve shim seat and the shim by a predetermining mode, finally an upper cover is covered so that the architecture of the basic function the oil tank cover is formed. A screwing control rod is assembled in a centre hole groove of the lock seat, and the upper end of the screwing control rod exposes on the appearance of the upper cover. Pins at the lower end of the screwing control rod are respectively inserted in the hole grooves of two clamping components, and the screwing control rod is wrenched and rotated by the insertion of a spoon inserting sheet as so to operate two clamping components to shrink inwards so that the opening efficiency of the oil tank cover is achieved. Thereby, the oil tank cover has the advantages of simple rotation and opening convenience, and also has the advantage of safety that the oil tank cover is avoided being stolen by further taking off the spoon inserting sheet.

Description

The sealed safety device of fuel lid

Technical fieldThe utility model relates to the sealed safety device of a kind of fuel lid.

Background technology

Traditional fuel lid is on structure design, mainly be below its lid, to form suitable blocking projection in conjunction with the valve plug periphery that extends, to cooperate the corresponding short slot planning that forms of tank filling peritreme, after making the short slot of blocking projection by the oiling peritreme of valve plug periphery, appropriateness rotation fuel lid is so that the short slot position of its valve plug periphery blocking projection whiz oiling peritreme, can utilize the blocking relation of blocking projection and oiling peritreme and reach the fuel lid blocking function, though its structure design is quite simple and easy, but because of its keying at fuel lid is operated, all need to reach in the mode of reversing fuel lid, in operation, obviously comparatively bother, effort, it is easy not meet controlling of customer in fact, laborsaving demand.

Based on this, be to have the dealer to develop to revolve the fuel lid structure that the control operation opens and closes with key, utilize key to drive the mode of core rotation, core is got contract in the holding piece of turn drawing fuel lid both sides the blocking relation that breaks away from the tank filling hole wall, to make things convenient for the unloading of fuel lid; But this kind fuel lid is quite complicated on structure design, and because of its drawing piece spare has the usefulness of automatically reseting, so when fuel lid takes off, must manage to keep key to make two holding pieces be in the recessed shape attitude in the open position, fuel lid could be taken off smoothly, thus, cause its operation upward quite to bother and inconvenience on the contrary, the still difficult design that is called ideal, practicality.

So, there is the dealer to develop a kind of utilization mode of pushing at present and controls the push button fuel lid locking device of unlatching (application case number: 87217493), see also shown in Figure 1, on its structure design, mainly be to be provided with two holding pieces 11 in a base 10 central authorities, 11 ', at two holding pieces 11,11 ' inboard respectively is provided with a tension spring 12,12 ', and by a pad 13 in addition involution is spacing, above pad 13, install a pad 14, this pad 14 is to be linked in a lid 15 lower edges, be folded with several tension springs 17 at pad 14 and 15 of lids, and the center axis body 16 of lid 15 be by the default through hole 141 of pad 14 and pad 13,131 and insert the middle section of base 10, utilize two control projections 161 of axis body 16 lower ends, 162 cooperate two holding pieces 11,11 ' two pushing and pressing inclined-planes 111,112, when making it push axis body 16 downwards, can control projection 161 in axis body 16 lower ends, 162 act on two holding pieces 11,11 ' pushing and pressing inclined-plane 111,112, make two holding pieces 11,11 ' inwardly contract, to discharge blocking state to the tank filling hole, while two holding pieces 11,11 ' top De Ka Bamboo 113,114 will be limited in the slotted eye (not shown) at pad 14 center through hole 141 edges, keep it and discharge locked state, thereby can make things convenient for the unloading of fuel lid, and when desiring to close fuel lid, only need fuel lid is pressed down, make pad 14 lower ends be subjected to oil hole effect roof pressure, can make two clipping blocks 11,11 ' top Ka Bamboo 113,114 disengagings are spacing, tension of engagement spring 12,12 ' reset and with two holding pieces 11,11 ' outwards eject, thus the blocking of recovery fuel lid.

With regard to above-mentioned fuel lid design, though it can give the convenience that single finger pressure control is opened, but because of itself there is no suitable safety device, any per capita must be under the situation that does not need by instrument, simply with the light finger unlatching fuel lid of changing places, be to be only applicable to built-in fuel lid design with it, if its fuel lid is exposed design,, had better not use this kind push button fuel lid then based on security consideration, thus, limit its utilization category virtually, influenced its whole industrial utilization, become a facility, practical but unsafe design, be called desirable product from difficulty, be necessary to manage again to solve improvement in fact.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned existing defective, provides a kind of fuel lid sealed safety device.The utility model is achieved in that the sealed safety device of a kind of fuel lid, and the structure of this fuel lid comprises:

One drain pan, its inner storage tank chamber that forms, both sides, storage tank chamber also connect the drain pan outside with groove, and two similar shape holding pieces oppositely are mounted on the space that this storage tank chamber and both sides groove constitute;

Two holding pieces, for isomorphous structure designs, its outer end is provided with the wrong slightly fastening part from substrate, is provided with in the fastening part inboard for supporting to arrive in the spring retainer that spring assembly is established, two pull part during with reverse group of storage tank chamber that is located at drain pan, and its fastening part is given prominence in the drain pan outside via the both sides groove;

One pad in order to involution drain pan and spacing two holding pieces, is provided with the square through hole of corresponding drain pan storage tank chamber in the pad middle part, be provided with the short slot of corresponding groove in the through hole both sides;

One valve seat cushion, system is set in the pad top, its external diameter generally conforms to the oil hole of fuel tank, be covered with the ring pad that the elastic caoutchouc material is made in valve seat cushion outer rim part, and, being provided with a through hole in the valve chamber bottom at the inner valve chamber that forms of valve seat cushion, this through hole is contained the through hole and the both sides short slot of pad, in valve seat cushion, insert a lock, between lock and valve seat cushion and be folded with spring;

One lock, its below form the limitting casing portion that can be inserted in drain pan central authorities storage tank chamber, be provided with the spring arrival slot at the both sides outer wall of the corresponding drain pan groove of limitting casing portion, and lock top ring seat are to have provided a hole slot, must organize to establish one and revolve the control bar in this hole slot;

One loam cake, its chi directly is slightly larger than the tank filling hole, is provided with a through hole at the upper cover top surface center, it is characterized in that:

The spring retainer outside top of this two holding pieces outer end fastening part is to form an inlay card piece, and the bonding part is colluded and the recessed shape attitude of spacing holding piece the corresponding formation of valve chamber through hole in proportioning valve base inside;

Be formed with hole slot in addition in inner relatively substrate one side of fastening part of two holding pieces again, when two holding pieces are located at drain pan with reverse group, its hole slot just is positioned at the drain pan central part and is wrong from relation, insert knot and obtain continuous action relation for revolving latch that the control lower surface becomes the planning of staggered attitude, the top of revolving the control bar then is provided with one can be for a slot of inserting spoon sheet insert group.

Positive progressive effect of the present utility model is:

(1) unlatching of revolving mode process oil case lid is pulled in employing, and can keep its unlocking condition automatically: make the unlatching of its fuel lid and unloading operation more easy.

(2) by inserting the spoon sheet as the member of controlling that revolves the control bar, extract pull spoon sheet after, promptly can't carry out the unlatching of fuel lid, can give suitable safety precaution usefulness, avoid other people any pirate of the open fuel tank.

(3) by its safety Design, make it applicable to fuel lid built-in or that expose, and must look it and install kenel, selection will insert that spoon sheet keeps inserting knot or the state that pulls away is implemented so that in various degree convenience or safety to be provided.

In sum, the utility model outside reaching the keying operation ease of fuel lid, more with the necessary security protective benefits, makes unlikely limitation of Applicable scope of its fuel lid via the composition design of structure, significantly improves its industrial utilization.

Description of drawings

Fig. 1 is the STRUCTURE DECOMPOSITION scheme drawing of known push button fuel lid locking device.

Fig. 2 is the integral structure scheme drawing of the utility model fuel lid.

Fig. 3 is the STRUCTURE DECOMPOSITION scheme drawing of the utility model fuel lid.

Fig. 4 is the structural relation scheme drawing of the utility model fuel lid.

Fig. 5 is the structural relation scheme drawing of the utility model fuel lid when operation is opened.

Fig. 6 is the structural relation scheme drawing of the utility model fuel lid when operation locking.

The specific embodiment

The utility model system provides a kind of fuel lid sealed safety device, particularly via the improvement design of structure, makes it outside giving the unlatching convenience of fuel lid, more can take into account its safety in utilization, thereby can effectively promote its industrial utilization person.

Relevant structure composition of the present utility model, technological means and effect are reached the aspect, and careful conjunction with figs. is given and further being specified for example in the back:

At first, see also the structural representation of Fig. 2, the structural relation scheme drawing of Fig. 3 and the structural relation scheme drawing of Fig. 4, as shown in the figure, fuel lid of the present utility model mainly comprises on structure design:

One drain pan 20, its inner storage tank chamber 21 that forms, 21 both sides, storage tank chamber also connect drain pans 20 outsides with groove 22, the space that utilizes this storage tank chamber 21 and both sides groove 22 to constitute just can oppositely be organized for two similar shape holding pieces 30,30 ' work and establish, and can give the activity space nargin of holding piece 30,30 ' displacement;

Two holding pieces 30,30 ', for isomorphous structure designs, its outer end is provided with the wrong slightly fastening part 32 from substrate 31, be provided with spring retainer 33 establishes for 34 groups for supporting to arrive in spring in fastening part 32 inboards, spring retainer 33 outside top form an inlay card piece 35, can keep holding piece 30 with proportioning valve base 50,30 ' interior miniature attitude, and at holding piece 30,30 ' inner relatively substrate 31 1 sides of fastening part 32 are formed with hole slot 36 in addition, make two holding pieces 30,30 ' during with reverse group of storage tank chamber 21 that is located at drain pan 20, its fastening part 32 can be given prominence in drain pan 20 outsides via both sides groove 22, and its hole slot 36 then is positioned at drain pan 20 central parts and is wrong from relation;

One pad 40, in order to involution drain pan 20 and spacing two holding pieces 30,30 ', be provided with the square through hole 41 of corresponding drain pan storage tank chambers 21 20 in pad 40 middle parts, be provided with the short slot 42 of corresponding groove 22 in through hole 41 both sides, the inlay card piece 35 at holding piece 30,30 ' fastening part, 32 tops must be limited in the short slot 42;

One valve seat cushion 50, system is set in pad 40 tops, its external diameter generally conforms to the oil hole of fuel tank, be covered with the ring pad 51 that the elastic caoutchouc material is made in valve seat cushion 50 outer rim parts, thereby can obtain airtight relation with the tank filling hole, and at the valve seat cushion 50 inner valve chambers 52 that form, be provided with a through hole 53 in valve chamber 52 bottoms, this through hole 53 can be contained the through hole 41 and the both sides short slot 42 of pad 40, and be to form one to collude bonding part 54 corresponding to pad 40 both sides short slots 42 positions, with spacing holding piece 30,30 ' the recessed shape attitude, in valve seat cushion 50, can insert a lock 60, at lock 60 and 50 of valve seat cushions and be folded with spring 55 and suppress nargin so that lock 60 to be provided;

One lock 60, its below formation one can be inserted in the limitting casing portion 61 of drain pan central storage tank chambers 21 20, both sides outer wall at limitting casing portion 61 corresponding drain pan 20 grooves 22 is provided with spring arrival slot 62, make two holding pieces 30, spring 34 other ends that support to arrive in of 30 ' fastening part, 32 inboard spring retainers 33 are against in the spring arrival slot 62 of lock 60, thereby give two holding pieces 30,30 ' have elastic reset usefulness, and lock 60 top ring seats 63 are to have provided a hole slot 64, in this hole slot 64, must organize establish one revolve the control bar 65, making this revolve control bar 65 lower ends must stretch in the drain pan 20 central storage tanks 21 by lock 60, and the latch 66 that makes its lower surface be staggered attitude planning must be inserted knot respectively at two holding pieces 30,30 ' hole slot 36 in, the top of revolving control bar 65 then is provided with a slot 67, can insert spoon sheet 68 insert groups to control the rotation of revolving control bar 65 for one;

One loam cake 70, its chi directly is slightly larger than the tank filling hole, is provided with a through hole 71 at loam cake 70 end face centers, is exposed outside for revolving control bar 65 tops and slot 67;

Form via above-mentioned member, latch 67 planning of control bar 65 lower ends are revolved in utilization, make it revolve control bar 65 by the switching interlock of inserting spoon sheet 68, and then cause two holding pieces 30,30 ' in the blocking relation of breaking away from that contracts to the tank filling hole wall, promptly get fuel lid is taken off, reach fuel lid and revolve the convenience that control is opened;

Please continue to cooperate the structural relation scheme drawing of consulting Fig. 5, Fig. 6, the keying operation that the utility model fuel lid is described is implemented, as shown in the figure, the utility model fuel lid via above-mentioned member composition, at it tank filling hole 1 is under the blocking, its two holding piece 30,30 ' be to give prominence in drain pan 20 outsides by supporting to arrive in spring 34 outside ejections is obtained the blocking relation with oil hole 1 wall, and fuel lid can't be removed; And when desire is opened fuel lid, the user can insert the 58 direct switching turns of spoon sheet and revolve control bar 65, by revolving two latches, 66 planning that control bar 65 bottoms are crisscross arranged, make it when revolving 65 turns of control bar, its bottom latch 66 can be dialled control two holding pieces 30,30 ' in contract, while holding piece 30,30 ' inlay card piece 35 will be fastened on valve seat cushion 50 through holes 53 both sides collude bonding part 54, thereby keep holding piece 30,30 ' the recessed shape attitude, the spy can discharge holding piece 30 in view of the above, 30 ' to the blocking of tank filling hole 1 wall relation, make fuel lid can be removed (more than see also shown in Figure 5) easily; And when desiring to cover fuel lid once more, be touch behind 1 root edge of tank filling hole at the valve seat cushion 50 periphery ring pads 51 of fuel lid, the application of force presses down with loam cake 70 and with members such as lock 60 and drain pans 20, in the process that drain pan 20 down is shifted, holding piece 30,30 ' inlay card piece 35 be subjected to valve seat cushion 50 to collude the spacing relation of blocking of bonding part 54 disengaging, this moment is by supporting to arrive in the elastic recovery effect of spring 34, be with holding piece 30,30 ' outwards push back and give prominence in drain pan 20 outsides, obtain blocking with oil hole 1 wall once more, reach the locking (see also shown in Figure 6) of fuel lid tank filling hole 1;

Promptly, via above explanation, fuel lid of the present utility model as can be known is on its open operation, system inserts spoon sheet 68 slotting knot switching interlocks by one, and it revolves control bar 65 operation holding pieces 30,30 ' in contract, reach the unlatching usefulness of its fuel lid, and insert spoon sheet 68 if take out, then can't this turn bar 65 of switching turn, the unlikely quilt of fuel lid is opened arbitrarily, based on this, the design that spoon sheet 68 is controlled rotating part 65 is inserted in the utility model utilization, pulls easily and revolves outside the property convenient for control possessing it, more must insert pulling away of sheet of spoon by this and give suitable safety precaution usefulness, and it can keep holding piece 30 when opening, 30 ' the recessed shape attitude, and once more during locking, only need exert pressure slightly again and make two holding pieces 30,30 ' easily reply outstanding state, can finish the once more locking of fuel lid to the tank filling hole; In other words, fuel lid promptly of the present utility model no matter open or the operation of locking on, all be able to one hand and finish easily, provide it to implement to go up splendid convenience and have necessary security concurrently, the spy can effectively solve the existing existing many disappearances of fuel lid structure.

Claims (1)

1, the sealed safety device of a kind of fuel lid, the structure of this fuel lid comprises:

One drain pan, its inner storage tank chamber that forms, both sides, storage tank chamber also connect the drain pan outside with groove, and two similar shape holding pieces oppositely are mounted on the space that this storage tank chamber and both sides groove constitute;

Two holding pieces, for isomorphous structure designs, its outer end is provided with the wrong slightly fastening part from substrate, is provided with in the fastening part inboard for supporting to arrive in the spring retainer that spring assembly is established, two pull part during with reverse group of storage tank chamber that is located at drain pan, and its fastening part is given prominence in the drain pan outside via the both sides groove;

One pad in order to involution drain pan and spacing two holding pieces, is provided with the square through hole of corresponding drain pan storage tank chamber in the pad middle part, be provided with the short slot of corresponding groove in the through hole both sides;

One valve seat cushion, system is set in the pad top, its external diameter generally conforms to the oil hole of fuel tank, be covered with the ring pad that the elastic caoutchouc material is made in valve seat cushion outer rim part, and, being provided with a through hole in the valve chamber bottom at the inner valve chamber that forms of valve seat cushion, this through hole is contained the through hole and the both sides short slot of pad, in valve seat cushion, insert a lock, between lock and valve seat cushion and be folded with spring;

One lock, its below form the limitting casing portion that can be inserted in drain pan central authorities storage tank chamber, be provided with the spring arrival slot at the both sides outer wall of the corresponding drain pan groove of limitting casing portion, and lock top ring seat are to have provided a hole slot, must organize to establish one and revolve the control bar in this hole slot;

One loam cake, its chi directly is slightly larger than the tank filling hole, is provided with a through hole at the upper cover top surface center, it is characterized in that:

The spring retainer outside top of this two holding pieces outer end fastening part is to form an inlay card piece, and the bonding part is colluded and the recessed shape attitude of spacing holding piece the corresponding formation of valve chamber through hole in proportioning valve base inside;

Be formed with hole slot in addition in inner relatively substrate one side of fastening part of two holding pieces again, when two holding pieces are located at drain pan with reverse group, its hole slot just is positioned at the drain pan central part and is wrong from relation, insert knot and obtain continuous action relation for revolving latch that the control lower surface becomes the planning of staggered attitude, the top of revolving the control bar then is provided with one can be for a slot of inserting spoon sheet insert group.

Images