CN107916842A

CN107916842A - A kind of anti-loosening safety lock of train door

Info

Publication number: CN107916842A
Application number: CN201711411437.4A
Authority: CN
Inventors: 杨英虎
Original assignee: Henan Zhiying Electronics Technology Co Ltd
Current assignee: Henan Zhiying Electronics Technology Co Ltd
Priority date: 2017-12-23
Filing date: 2017-12-23
Publication date: 2018-04-17

Abstract

The invention discloses a kind of locking safety lock of train door, it is related to railway traffic technical field, solves the train technical problem that lock core is easily loosened due to vibration during traveling in the prior art, it includes lock body, lock tongue and lock core, the lock core is located at the lock tongue rear end face, the lock core deviates the centrally disposed of the lock tongue, the end of the lock core is connected with baffle, the rear end face of the baffle is equipped with tapered end, the tapered end is prism-shaped, the tapered end is corresponding to be equipped with key bit, the end of the key bit is equipped with handle, open keyhole is equipped with the middle part of the key bit, the open keyhole is closed with the tapered end matching size.The present invention is reasonable in design, and the self-locking to lock core can be completed after key extraction, avoids the generation of security incident, is mainly used in railway traffic safety lock field.

Description

A kind of anti-loosening safety lock of train door

Technical field

The present invention relates to railway traffic technical field, more particularly to a kind of locking safety lock of train door.

Background technology

Railway transportation is a kind of land transportation mode, is travelled with locomotive traction rail vehicle on two parallel rails. Traditional approach is that steel wheel is advanced, but the railway transportation of broad sense still includes the side that the non-steel wheel such as magnetic suspension train, cable car, cableway is advanced Formula, or rail transport.Rail can provide dead smooth and hard medium and be rolled by train wheel above with minimum frictional force It is dynamic, the people above this is felt more comfortable, and it can also save energy.If being arranged to work as, railway transportation can compare road surface Transport saves five to seventy percent energy when delivering same weight thing.The weight of scatter columns car moreover, rail can be averaged, makes the load of train Beijing South Maxpower Technology Co. Ltd's power greatly improves.

But existing locomotive door lock is mainly used for the metal panels such as train, and triangle is typically provided in the pedestal of these locksets Keyhole, lock core are connected with lock tongue, by triangle key rotation lock core, open and close door-plate, its with it is simple in structure, Easy to install, the characteristics of production cost is low, it is widely used in various kinds of vehicles.But train is on rail when walking, especially It is in the region of some geological conditions uniqueness, and train occurs larger vibrations when walking, train door be subject to it is larger Shock conditions under, it is possible to loosening situation occurs, if car door nearby someone lean on if train at a high speed advance mistake It is possible to that great security incident occurs in journey.But lock core in above-mentioned locomotive door lock structure is locking, vibrationproof, safe and stable Property it is poor, easily cause lock core to rotate since lock core vibrates, lock core or lock tongue is departed from door-plate, be particularly used to move Car, bullet train are when vibrating larger oscillatory type mechanical equipment.

So being badly in need of solving the technical problem that lock core is easily loosened or opened due to vibration, train smooth fortune is improved Capable security.

The content of the invention

It is an object of the invention to：There is provided one kind can prevent train from being loosened during traveling, improve train peace The anti-loosening safety lock of train door of full operation ratio.

The present invention specifically uses following technical scheme to achieve these goals：

A kind of locking safety lock of train door, including lock body, lock tongue and lock core, the lock core are located at the lock tongue rear end Face, the lock core deviate the centrally disposed of the lock tongue, and the end of the lock core is connected with baffle, and the rear end face of the baffle is set There is tapered end, the tapered end is prism-shaped, and the tapered end is corresponding to be equipped with key bit, and the end of the key bit is equipped with handle, institute State and open keyhole is equipped with the middle part of key bit, the open keyhole is closed with the tapered end matching size；The lock body is internally provided with handle hole, The lock core extends to the outside of handle hole, and the baffle and tapered end are located inside handle hole, and the lock core is located at handle hole Part is equipped with card slot, and the card slot is correspondingly provided with tight lock part, and the tight lock part is mainly by clamping section, extruded segment, supporting section and cunning Section composition is moved, the supporting section is vertical with the clamping section, extruded segment and sliding section, the clamping section and the extruding section In the same side of the supporting section, the sliding section is arranged on away from the clamping section and the opposite side of the extruded segment, the cunning Shifting section is corresponding to be equipped with the first slip sliding slot, and the sliding section end is fixedly connected with the first spring, and first spring is located at institute State in the first sliding groove, first sliding groove is communicated with the handle hole.

Operation principle：During present invention work, lock body is installed on car door, and in car door groove at side surface, guarantee lock tongue It can rotate out, while locked groove is outputed in the opposite position of doorframe, lock tongue can be rotated into locked groove, by car door Locking, and when being inserted into key bit, the extruded segment that key bit can extrude tight lock part avoids gap, can so cause tight lock part Sliding section is moved rearwards inside the first sliding groove, drives tight lock part movement, and the clamping section of tight lock part is to the side of remote card slot at this time To movement, when clamping section is not contacted with card slot, key bit clamping tight lock part can rotate, when lock tongue rotates to locked groove Key bit can be extracted out by handle when middle, tight lock part resets under the action of the first spring at this time, and the clamping section of tight lock part is inserted Enter in card slot, lock lock core so that lock tongue in the case of a shock, still keeps the state of locking, is not susceptible to loosen.

Further, the lock body is internally provided with rotation-limited hole, and the rotation-limited hole is internally provided with limited block, described Limited block is fixedly connected with the lock core, and the limited block is located at the baffle top, and the card slot is located at the baffle and institute State between limited block.Set limited block make it that lock core is immovable in the direction perpendicular to limited block on lock core, improve dress The stability put.

Further, the outer surface of the key bit is equipped with annular groove, and the inner front side of the handle hole is equipped with Second sliding groove, the internal slide of second sliding groove are connected with sliding shoe, and the sliding shoe is internally provided with wedged hole, institute The rear end for stating sliding shoe is installed with second spring, and the second spring is located in second sliding groove, the sliding shoe Front end face be fixedly connected with securing rod, the securing rod is slidably connected to the interior surface of annular groove.In insertion key bit When, key bit can extrude the avoidance gap on securing rod, so can be by securing rod to the second sliding groove internal slide, while band Sliding shoe compression second spring, then key bit enters handle hole bottom, and open keyhole is connected on tapered end, then the second bullet Spring will slide block reset, and such securing rod will enter inside annular groove, key bit is locked, and then can be carried out closing Men Liao, by handle rotate key bit, can be rotated with lock core, lock tongue can so be turned left 180 degree and then Enter in locked groove, car door and doorframe are connected, also just complete locking.

Further, second sliding groove is vertically equipped with the 3rd sliding groove, is equipped with the center of the 3rd sliding groove Spring groove, the internal slide of the 3rd sliding groove are connected with sliding bar, and the middle part of the sliding bar is equipped with limiting plate, the cunning The outer surface set of lever has the 3rd spring, the 3rd spring be located at the limiting plate and the spring groove inner bottom surface it Between, the front end of the sliding bar is equipped with catch bar, and the interior surface activity of the catch bar and wedged hole coordinates, the slip The follower head of bar is equipped with wedge-shaped platform, and the outer surface activity of the wedge shape platform and the lock tongue coordinates.When lock tongue does not have in place, by In the limitation of securing rod, key bit can not be extracted, when lock tongue normally locks, wedge-shaped platform can be extruded so that by sliding bar internally Extruding, such catch bar will touch wedged hole, then persistently promote, can promote sliding shoe to the left, thus may be used Securing rod to be departed from out of annular groove, can also extract key bit, avoid locking it is not firm, substantially increase safety Property.

Further, the tapered end and open keyhole are triangular structure.Tapered end and open keyhole triangular structure are set, and are made Tapered end coordinate with open keyhole it is even closer so that in rotational handle so that be not easy to send out between key bit and tapered end Raw opposite slip, so as to improve the practical performance of safety lock.

Further, the card slot is symmetricly set on the lock core outer surface, quantity >=2 of the card slot.The number of card slot Amount can be configured according to actual needs so that the clamping section of tight lock part can preferably coordinate with card slot.

Further, the length of the extruded segment is less than the length of the clamping section.When being inserted into key bit, due to key The size of head is more than the size of lock core, so key bit can extrude the extruded segment of tight lock part, so as to drive clamping section movement so that The clamping section and exact separation of tight lock part, and then can be locked a door with rotation lock tonguing row.

Further, the diameter of the catch bar is less than the diameter of the sliding bar, and the width of the catch bar is described The half of wedged hole minimum widith.Shank diameter is promoted to be less than the diameter of sliding bar so that catch bar can inclining along wedged hole Oblique position moves downward, so that sliding shoe is moved along the second sliding groove, so as to so that key bit energy Enough insertion bottoms are coordinated with tapered end.

Beneficial effects of the present invention are as follows：

1. the present invention inside lock body by setting tight lock part and the structure such as the first sliding groove, the first spring so that safety Lock the tight lock part after key bit extraction with the card slot on lock core to coordinate, so as to play position-limiting action to lock core, and then prevent Safety lock loosens the generation of event during train is advanced.

2. the present invention sets limited block make it that lock core is immovable in the direction perpendicular to limited block on lock core, improve The stability of device.

3. the present invention due to the limitation of securing rod, can not extract key bit, when lock tongue is normally locked when lock tongue does not have in place Periodically, wedge-shaped platform can be extruded so as to which sliding bar internally be extruded, such catch bar will touch wedged hole, then persistently push away It is dynamic, sliding shoe can be promoted to the left, securing rod can thus be departed from out of annular groove, can also extract key Head, avoid locking it is not firm, substantially increase security.

4. the setting that the present invention passes through tapered end and open keyhole triangular structure so that tapered end more steps up with what open keyhole coordinated It is close, so that in rotational handle so that be less likely to occur to slide relatively between key bit and tapered end, so as to improve safety lock Practical performance.

Brief description of the drawings

Fig. 1 is the structure diagram of the present invention；

Fig. 2 is the structure diagram of tight lock part of the present invention.

Reference numeral：1st, lock body；2nd, handle hole；3rd, lock tongue；4th, lock core；5th, baffle；6th, tapered end；7th, key bit；8th, first Sliding groove；9th, handle；10th, sliding shoe；11st, second spring；12nd, the second sliding groove；13rd, securing rod；14th, the 3rd sliding groove；15、 3rd spring；16th, limiting plate；17th, wedge-shaped platform；18th, limited block；19th, rotation-limited hole；20th, the first spring；21st, card slot；22、 It is clamped section；23rd, section is slid；24th, extruded segment；25th, supporting section；26th, sliding bar；27th, tight lock part；28th, catch bar.

Embodiment

In order to which those skilled in the art are better understood from the present invention, below in conjunction with the accompanying drawings with following embodiments to the present invention It is described in further detail.

Embodiment 1

As shown in Figs. 1-2, the present invention provides a kind of locking safety lock of train door, including lock body 1, lock tongue 3 and lock core 4, The lock core 4 is located at 3 rear end face of lock tongue, and the lock core 4 deviates the centrally disposed of the lock tongue 3, the end of the lock core 4 Baffle 5 is connected with, the rear end face of the baffle 5 is equipped with tapered end 6, and the tapered end 6 is prism-shaped, and the tapered end 6 is corresponding to be equipped with Key bit 7, the end of the key bit 7 are equipped with handle 9, and the middle part of key bit 7 is equipped with open keyhole, the open keyhole and institute State the conjunction of 6 matching size of tapered end；The lock body 1 is internally provided with handle hole 2, and the lock core 4 extends to the outside of handle hole 2, described Baffle 5 and tapered end 6 are located inside handle hole 2, and the part that the lock core 4 is located at handle hole 2 is equipped with card slot 21, the card slot 21 Tight lock part 27 is correspondingly provided with, the tight lock part 27 is mainly made of clamping section 22, extruded segment 24, supporting section 25 and sliding section 23, The supporting section 25 is vertical with the clamping section 22, extruded segment 24 and sliding section 23, the clamping section 22 and the extruded segment 24 are located at the same side of the supporting section 25, and the sliding section 23 is arranged on away from the clamping section 22 and the extruded segment 24 Opposite side, the sliding section 23 is corresponding to be equipped with the first slip sliding slot, and 23 end of the sliding section is fixedly connected with the first spring 20, first spring 20 is located in first sliding groove 8, and first sliding groove 8 is communicated with the handle hole 2.

Operation principle：During present invention work, lock body 1 is installed on car door, and in car door groove at side surface, guarantee lock tongue 3 can rotate out, while output locked groove in the opposite position of doorframe, and lock tongue 3 can be rotated into locked groove, will Vehicle door lock, and when being inserted into key bit 7, the extruded segment 24 that key bit 7 can extrude tight lock part 27 avoids gap, can so make The sliding section 23 for obtaining tight lock part 27 is moved rearwards inside the first sliding groove, drives tight lock part 27 to move, at this time the card of tight lock part 27 Connect section 22 to move to the direction away from card slot 21, when clamping section 22 is not contacted with card slot 21,7 clamping tight lock part 27 of key bit can To rotate, key bit 7 can be extracted out by handle 9 when lock tongue 3 is rotated in locked groove, tight lock part 27 is first at this time Resetted under the action of spring 20, the clamping section 22 of tight lock part 27 is inserted into card slot 21, locks lock core 4 so that lock tongue 3 is in vibrations In the case of, the state of locking is still kept, is not susceptible to loosen.

Embodiment 2

As shown in Figs. 1-2, the present embodiment is further optimized on the basis of embodiment 1, and specific embodiment is as follows：

The lock body 1 is internally provided with rotation-limited hole 19, and the rotation-limited hole 19 is internally provided with limited block 18, the limit Position block 18 is fixedly connected with the lock core 4, and the limited block 18 is located at 5 top of baffle, and the card slot 21 is located at the gear Between plate 5 and the limited block 18.On lock core 4 set limited block 18 so that lock core 4 perpendicular to the direction of limited block 18 not Can be mobile, improve the stability of device.

Embodiment 3

As shown in Figs. 1-2, the present embodiment is further optimized on the basis of embodiment 2, and specific embodiment is as follows：

The outer surface of the key bit 7 is equipped with annular groove, and the inner front side of the handle hole 2 is equipped with second and slides Groove 12, the internal slide of second sliding groove are connected with sliding shoe 10, and the sliding shoe 10 is internally provided with wedged hole, described The rear end of sliding shoe 10 is installed with second spring 11, and the second spring 11 is located in second sliding groove 12, described The front end face of sliding shoe 10 is fixedly connected with securing rod 13, and the securing rod 13 is slidably connected to the interior surface of annular groove.

Second sliding groove 12 is vertically equipped with the 3rd sliding groove 14, and spring is equipped with the center of the 3rd sliding groove 14 Groove, the internal slide of the 3rd sliding groove 14 are connected with sliding bar 26, and the middle part of the sliding bar 26 is equipped with limiting plate 16, institute The outer surface set for stating sliding bar 26 has the 3rd spring 15, and the 3rd spring 15 is located at the limiting plate 16 and the spring Between groove inner bottom surface, the front end of the sliding bar 26 is equipped with catch bar 28, the inside table of the catch bar 28 and wedged hole Face activity coordinates, and the follower head of the sliding bar 26 is equipped with wedge-shaped platform 17, and the outer surface of the wedge shape platform 17 and the lock tongue 3 is lived It is dynamic to coordinate.

Operation principle：When being inserted into key bit 7, key bit 7 can extrude the avoidance gap on securing rod 13, can so incite somebody to action Securing rod 13 to 12 internal slide of the second sliding groove, while with sliding shoe 10 compress second spring 11, then key bit 7 into Enter to 2 bottom of handle hole, open keyhole and be connected on tapered end 6, then second spring 11 resets sliding shoe 10, such securing rod 13 It will enter inside annular groove, key bit 7 is locked, then can be carried out closing the door, key bit is rotated by handle 9 7, it can be rotated with lock core 4, so lock tongue 3, which can turn left, and then enters in locked groove by 180 degree, by car door Connected with doorframe, also just complete locking.When lock tongue 3 does not have in place, due to the limitation of securing rod 13, key can not be extracted Key bit 7, when lock tongue 3 normally locks, can extrude wedge-shaped platform 17 so as to which sliding bar 26 internally be extruded, such catch bar 28 is just Wedged hole can be touched, is then persistently promoted, sliding shoe 10 can be promoted to the left, thus can be by securing rod 13 from ring Depart from connected in star, can also extract key bit 7, it is not firm to avoid locking, substantially increases security.

Embodiment 4

As shown in Figs. 1-2, the present embodiment is further optimized on the basis of embodiment 3, and specific embodiment is as follows：

The tapered end 6 and open keyhole are triangular structure.

The card slot 21 is symmetricly set on 4 outer surface of lock core, quantity >=2 of the card slot 21.

The length of the extruded segment 24 is less than the length of the clamping section 22.

The diameter of the catch bar 28 is less than the diameter of the sliding bar 26, and the width of the catch bar 28 is the wedge shape The half of hole minimum widith.

Operation principle：Tapered end 6 and open keyhole triangular structure are set so that tapered end 6 coordinate with open keyhole it is even closer, So as in rotational handle so that be less likely to occur to slide relatively between key bit 7 and tapered end 6, so as to improve safety lock Practical performance.The quantity of card slot 21 can be configured according to actual needs so that the clamping section 22 and card slot of tight lock part 27 21 can preferably coordinate.When being inserted into key bit 7, since the size of key bit 7 is more than the size of lock core 4, so key bit 7 The extruded segment 24 of tight lock part 27 can be extruded, so as to drive clamping section 22 to move so that the clamping section 22 of tight lock part 27 and card slot 21 Separation, and then lock tongue 3 can be rotated and locked a door.28 diameter of catch bar is less than the diameter of sliding bar 26 so that catch bar 28 can To be moved downward along the inclined position of wedged hole, so that sliding shoe 10 is transported along the second sliding groove 12 It is dynamic, so as to so that key bit 7 is inserted into bottom and is coordinated with tapered end 6.

The above, is only presently preferred embodiments of the present invention, is not intended to limit the invention, patent protection model of the invention Enclose and be subject to claims, the equivalent structure change that every specification and accompanying drawing content with the present invention is made, similarly It should include within the scope of the present invention.

Claims

A kind of 1. locking safety lock of train door, it is characterised in that：Including lock body (1), lock tongue (3) and lock core (4), the lock core (4) it is located at the lock tongue (3) rear end face, the lock core (4) deviates centrally disposed, the end of the lock core (4) of the lock tongue (3) End is connected with baffle (5), and the rear end face of the baffle (5) is equipped with tapered end (6), and the tapered end (6) is prism-shaped, the tapered end (6) corresponding to be equipped with key bit (7), the end of the key bit (7) is equipped with handle (9), is equipped with and opens in the middle part of the key bit (7) Lockhole, the open keyhole are closed with the tapered end (6) matching size；The lock body (1) is internally provided with handle hole (2), the lock core (4) outside of handle hole (2) is extended to, the baffle (5) and tapered end (6) are located at handle hole (2) inside, lock core (4) position Card slot (21) is equipped with the part of handle hole (2), the card slot (21) is correspondingly provided with tight lock part (27), and the tight lock part (27) is main Will by clamping section (22), extruded segment (24), supporting section (25) and sliding section (23) form, the supporting section (25) with the card Connect section (22), extruded segment (24) and sliding section (23) vertically, the clamping section (22) is located at the branch with the extruded segment (24) The same side of section (25) is supportted, the sliding section (23) is arranged on another with the extruded segment (24) away from the clamping section (22) Side, the sliding section (23) is corresponding to be equipped with the first slip sliding slot, and described sliding section (23) end is fixedly connected with the first spring (20), first spring (20) is located in first sliding groove (8), first sliding groove (8) and the handle hole (2) Communicate.
A kind of 2. locking safety lock of train door according to claim 1, it is characterised in that：The lock body (1) is internally provided with Rotation-limited hole (19), the rotation-limited hole (19) are internally provided with limited block (18), the limited block (18) and the lock core (4) it is fixedly connected, the limited block (18) is located at the baffle (5) top, and the card slot (21) is located at the baffle (5) and institute State between limited block (18).
A kind of 3. locking safety lock of train door according to claim 1, it is characterised in that：The key bit (7) Outer surface is equipped with annular groove, and the inner front side of the handle hole (2) is equipped with the second sliding groove (12), second sliding groove (12) internal slide is connected with sliding shoe (10), and the sliding shoe (10) is internally provided with wedged hole, the sliding shoe (10) Rear end be installed with second spring (11), the second spring (11) is located in second sliding groove (12), the cunning The front end face of motion block (10) is fixedly connected with securing rod (13), and the securing rod (13) is slidably connected to the inside table of annular groove Face.
A kind of 4. locking safety lock of train door according to claim 3, it is characterised in that：Second sliding groove (12) is hung down The 3rd sliding groove (14) directly is equipped with, spring groove, the 3rd sliding groove (14) are equipped with the center of the 3rd sliding groove (14) Internal slide be connected with sliding bar (26), the middle part of the sliding bar (26) is equipped with limiting plate (16), the sliding bar (26) Outer surface set have the 3rd spring (15), the 3rd spring (15) be located inside the limiting plate (16) and the spring groove Between bottom surface, the front end of the sliding bar (26) is equipped with catch bar (28), the catch bar (28) and the inside table of wedged hole Face activity coordinates, and the follower head of the sliding bar (26) is equipped with wedge-shaped platform (17), the wedge shape platform (17) and the lock tongue (3) Outer surface activity coordinates.
A kind of 5. locking safety lock of train door according to claim 1, it is characterised in that：The tapered end (6) and open keyhole It is triangular structure.
A kind of 6. locking safety lock of train door according to claim 1, it is characterised in that：The card slot (21) is symmetrical arranged In the lock core (4) outer surface, quantity >=2 of the card slot (21).
A kind of 7. locking safety lock of train door according to claim 1, it is characterised in that：The length of the extruded segment (24) Less than the length of the clamping section (22).
A kind of 8. locking safety lock of train door according to claim 4, it is characterised in that：The diameter of the catch bar (28) Less than the diameter of the sliding bar (26), the width of the catch bar (28) is the half of the wedged hole minimum widith.