CN209505923U - Sealing structure, lock and vehicle - Google Patents

Abstract

The utility model relates to technical field of vehicle, more particularly, to a kind of sealing structure, lock and vehicle.The second seal that sealing structure includes the first seal being arranged on shell, is arranged on one end of pin shaft, and it is connected to the flexible connection sleeve of first seal and second seal, wherein, pin shaft can be moved axially in sealing structure the other end of pin shaft is stretched out shell.Lock includes the sealing structure of any of the above-described.Vehicle includes above-mentioned lock.The utility model on shell by being fixedly installed first seal, second seal is fixedly installed on pin shaft, first seal is connected with second seal by flexible connection sleeve flexible, when pin shaft axial movement, flexible connection sleeve is compressed, to guarantee the sealed connection relationship between first seal and second seal, and then it ensure that the leakproofness of shell.The utility model has the advantages of simple structure, practical, at low cost, is suitable for popularization and application.

Description

Sealing structure, lock and vehicle

Technical field

The utility model relates to technical field of vehicle, more particularly, to a kind of sealing structure, lock and vehicle.

Background technique

For existing bicycle lock, either what type of lock is required to not can avoid thus using lock pin The stretching and withdrawal of lock pin act.And stretching and withdrawal to lock pin, it is required to actuator, such as driving motor, or even also have There is circuit board etc. to carry out the electronic control component of control operation, it is therefore necessary to Waterproof, moistureproof and dustproof design is carried out, to avoid electricity Short circuit after son control component dampness touching water.

In existing bicycle lock, the sealing to lock pin is generally that sealing ring is arranged in the exit of lock pin, still, by It in lock pin or moves axially, and then can rub repeatedly to sealing ring, so that sealing ring is worn, and then lose sealing effect Fruit.

Utility model content

In view of this, the embodiment of the present application is designed to provide a kind of sealing structure, lock and vehicle, can by First seal is fixedly installed on shell, second seal is fixedly installed on pin shaft, it will by flexible connection sleeve flexible First seal is connected with second seal, so that abrasion nor affects on the second sealing between the inner ring and pin shaft of first seal Enclose the sealing between pin shaft, and the sealing between second seal and pin shaft, do not interfere with first seal and shell it Between sealing element, when pin shaft axial movement when, flexible connection sleeve compressed, to guarantee first seal and second seal Between sealed connection relationship, and then ensure that the leakproofness of shell.

Present application addresses that cannot be sealed between the pin shaft of axial movement existing in the prior art and shell, reach To the effect for realizing sealing between the pin shaft and shell to axial movement.

In a first aspect, the sealing structure provided by the utility model for lock, the lock includes shell and is contained in The intracorporal pin shaft of shell, the sealing structure include setting first seal on the housing, are arranged in the pin shaft One end on second seal, and be connected to the flexible connection sleeve of the first seal Yu the second seal, Wherein, the pin shaft can be moved axially in the sealing structure the other end of the pin shaft is stretched out the shell.

With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect, In: the flexible connection sleeve is stretching structure.

The first possible embodiment, the utility model embodiment provide the second of first aspect with reference to first aspect The possible embodiment of kind, in which: the axial cross section of the side wall of the flexible connection sleeve is wavy shaped configuration.

Second of possible embodiment with reference to first aspect, the utility model embodiment provide the third of first aspect The possible embodiment of kind, in which: crest height of the wavy shaped configuration close to one end of the first seal, which is greater than, to be leaned on The crest height of one end of the nearly second seal.

With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, In: the seal groove connecting with the shell is provided on the outer wall of the first seal.

The 4th kind of possible embodiment, the utility model embodiment provide the 5th of first aspect with reference to first aspect The possible embodiment of kind, in which: the seal groove is rectangular channel.

The 4th kind of possible embodiment, the utility model embodiment provide the 6th of first aspect with reference to first aspect The possible embodiment of kind, in which: the seal groove is at least one.

The 4th kind of possible embodiment, the utility model embodiment provide the 7th of first aspect with reference to first aspect The possible embodiment of kind, in which: the axis of the seal groove is identical as the axis of the first seal.

The 4th kind of possible embodiment, the utility model embodiment provide the 8th of first aspect with reference to first aspect The possible embodiment of kind, in which: the opening of the seal groove is provided with chamfering close to the side of the second seal.

The 8th kind of possible embodiment, the utility model embodiment provide the 9th of first aspect with reference to first aspect The possible embodiment of kind, in which: the chamfering is fillet.

With reference to first aspect, the utility model embodiment provides the tenth kind of possible embodiment of first aspect, In: the axis annular on the inner wall of the first seal around the first seal is provided with sealing strip.

Tenth kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of the tenth one side Six kinds of possible embodiments, in which: the sealing strip is a plurality of.

With reference to first aspect, the utility model embodiment provides the 12nd kind of possible embodiment of first aspect, Wherein: the second seal is sealing ring.

With reference to first aspect, the utility model embodiment provides the 13rd kind of possible embodiment of first aspect, Wherein: one end of the flexible connection sleeve is arranged on the inner wall of the first seal, or setting is in first sealing Part is close to the side of the second seal.

With reference to first aspect, the utility model embodiment provides the 14th kind of possible embodiment of first aspect, Wherein: the other end of the flexible connection sleeve is arranged on the outer wall of the second seal, or setting is close described second Sealing is close to the side of the first seal.

With reference to first aspect, the utility model embodiment provides the 15th kind of possible embodiment of first aspect, Wherein: the first seal, the second seal and the flexible connection sleeve are integrated setting.

With reference to first aspect, the utility model embodiment provides the 16th kind of possible embodiment of first aspect, Wherein: the material of the first seal, the second seal and the flexible connection sleeve is silica gel.

Second aspect, this application provides a kind of locks comprising lock pin and sealing structure described in any of the above embodiments, institute It states lock pin and is provided with bayonet, in the lock locking, the other end of the pin shaft is inserted into the bayonet.

The third aspect, this application provides a kind of locks comprising sticking department and sealing structure described in any of the above embodiments, The sticking department is provided with lockhole, and in the lock locking, the other end of the pin shaft is inserted into the lockhole.

Fourth aspect, this application provides a kind of vehicles comprising above-mentioned lock.

Sealing structure, lock and vehicle provided by the utility model, by the way that first seal is fixedly installed on shell, Second seal is fixedly installed on pin shaft, is connected first seal with second seal by flexible connection sleeve flexible, So that abrasion nor affects on the sealing between the second sealing ring and pin shaft between the inner ring and pin shaft of first seal, and second is close Sealing between sealing and pin shaft does not interfere with the sealing element between first seal and shell, when pin shaft axial movement, Flexible connection sleeve is compressed, and to guarantee the sealed connection relationship between first seal and second seal, and then is guaranteed The leakproofness of shell.The utility model has the advantages of simple structure, practical, at low cost, is suitable for popularization and application.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the main view of sealing structure provided by the embodiment of the utility model；

Fig. 2 is the A-A cross-sectional view of Fig. 1；

Fig. 3 is the main view for the sealing structure that the utility model another kind embodiment provides；

Fig. 4 is the B-B cross-sectional view of Fig. 3；

Fig. 5 is the structural schematic diagram of lock provided by the embodiment of the utility model；

Fig. 6 is the C-C cross-sectional view of Fig. 5；

Fig. 7 is the main view of lock provided by the embodiment of the utility model；

Fig. 8 is the D-D cross-sectional view of Fig. 7.

Appended drawing reference:

1: seal groove；2: first seal；3: flexible connection sleeve；4: second seal；5: chamfering；6: sealing strip；7: Shell；8: locking bar；9: sealing structure；10: driving motor；11: bayonet lock；12: pressure spring；13: locked groove.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase To importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

As shown in attached drawing 1- Fig. 4, the utility model provides a kind of sealing structure, for the sealing structure of lock, lock Including shell 7 and it is contained in the intracorporal pin shaft of shell, sealing structure includes the first seal being arranged on shell, is arranged in pin Second seal on one end of axis, and it is connected to the flexible connection sleeve of the first sealing and second seal, wherein pin shaft It can be moved axially in sealing structure so that the other end of pin shaft is stretched out shell.

In the present embodiment, first seal 2 is fixed in the pin slide hole of shell 7, and second seal 4 is fixed It is arranged on pin shaft, and first seal 2 and second seal 4 are attached by being flexibly connected sleeve 3, when pin shaft carries out axis To when movement, second seal 4 follows pin shaft to be moved together, and due between first seal 2 and second seal 4 It is connected as flexibility, the movement of second seal 4 does not interfere with first seal 2, and then ensure that first seal 2 and shell Sealing between 7 ensure that second seal 4 to the sealing between pin shaft, and is flexibly connected sleeve 3 and makes first seal It is connected and sealed between 2 and second seal 4, and then realizes the sealing between the present and shell 7 of axial movement, guaranteed Drying property inside shell 7, avoids the rainwater in external environment, dust etc. and enters in shell 7, improve the whole of lock Body performance and used life.

In the present embodiment, flexible connection sleeve 3 is stretching structure.

By the setting of stretching structure, flexible connection sleeve 3 is compressed to the greatest extent, and then guarantees that second is close Sealing 4 can follow pin shaft to be moved together, ensure that whole sealing performance.And the set-up mode of stretching structure has very much Kind, in the present embodiment, specific set-up mode are as follows: the axial cross section of the side wall of flexible connection sleeve 3 is wavy shaped configuration, i.e., It is set as the form of bellows.

It by being set as wavy shaped configuration, can be compressed to the greatest extent using waveform, and then increase flexible connect The scaling of female connector cylinder 3, so that pin shaft not will receive second seal 4 when moving and be flexibly connected the shadow of sleeve 3 It rings, both ensure that the normal movement of pin shaft, and in turn ensured the sealing performance of shell 7.

In the present embodiment, crest height of the wavy shaped configuration close to one end of first seal 2 is greater than close close to second The crest height of one end of sealing 4.

That is, the diameter on flexible connection sleeve 3 close to one end of first seal 2 is greater than close to second seal The diameter of 4 one end, when flexible connection sleeve 3 stretches, small end is inserted into big end, and then that compresses more steps up It gathers, increases the removable stroke of pin shaft.

In addition, relative volume is larger since first seal 2 is mainly sealed using its outer wall and shell 7, the Two sealing elements 4 are mainly sealed using its inner wall with pin shaft, and volume is relatively small, and the both ends for being flexibly connected sleeve 3 are distinguished It is set as big end and small end, is attached respectively with first seal 2 and second seal 4, the intensity of connection can be increased, is protected Demonstrate,prove the effect and sealing effect of connection.

It should be pointed out that in the present embodiment, the diameter for being flexibly connected the both ends of sleeve 3 is different, it is also possible to set It is set to identical diameter, as long as its flexible stroke can satisfy the stroke of pin shaft, and guarantees the intensity of flexible connection sleeve 3 and close Sealing property.

In another embodiment of the utility model, be provided on the outer wall of first seal 2 connect with shell 7 it is close Sealing groove 1.

That is, it is structure I-shaped and with axially extending bore, shell that first seal 2, which is formed an axial cross section, Seal groove 1 on body 7 can be connected and sealed with shell 7, to guarantee the sealing performance between shell 7 and first seal 2, And then the impurity such as moisture and dust for guaranteeing external environment enter in shell 7.

Specifically, the shape of seal groove 1 is matched with the shape at 7 edge of shell, i.e., when matching on shell 7 with seal groove 1 When the end of conjunction is rectangle, seal groove 1 is also configured as rectangular channel, when the end cooperated on shell 7 with seal groove 1 is semicircle When, seal groove 1 is also configured as semicircle.

That is, the shape of seal groove 1 can be many kinds, if can with the edge of shell 7, mainly and shell The shape of pin hole side wall on body 7 is cooperated, to guarantee the sealing performance of shell 7.

In the present embodiment, shell 7 is one layer of structure, at this point, seal groove 1 is one.

The quantity of seal groove 1 is configured according to the concrete shape of the side wall of pin hole in the number of plies or shell 7 of shell 7.Its It can be as shown in Figure 3 and Figure 4, be set as two seal grooves 1, be also possible to be set as three seal grooves 1, particular number root It is configured according to specific use environment.

On the basis of the above embodiments, the axis of seal groove 1 is identical as the axis of first seal 2.Can have in this way After being provided with seal groove 1 in the guarantee first seal 2 of effect, the intensity of first seal 2 is not interfered with, and guarantees that pin shaft exists When moving axially, using the frictional force between first seal 2, to the outside thrust of the generation of first seal 2 It more balances, is not in that a side-thrust is big, the small situation of a side-thrust is avoided due to 2 discontinuity equalization of first seal It is damaged for caused by, ensure that the stress intensity and service life of first seal 2.

On the basis of the above embodiments, in another embodiment of the application, the opening of seal groove 1 is close close to second The side of sealing 4 is provided with chamfering 5.

Such setting when so that first seal 2 and shell 7 being cooperated, can be convenient for shell 7 being inserted into sealing In slot 1, the convenience of assembly ensure that.And the other side due to being open out is set to right angle in the outside of shell 7, energy Enough rainwater or dust or other impurities is effectively avoided to generate at chamfering 5 to collect, and then penetrated into shell 7.

Chamfering 5 is set in the present embodiment, processing method is relatively simple, overall cost is not improved, and ensure that dress The convenience matched.

It should be pointed out that increasing first seal 2 and shell by the way that chamfering 5 is arranged on seal groove 1 in the present embodiment The agility of assembly between body 7, but it is not limited solely to a kind of this set-up mode, can also be and seal groove 1 is arranged For dovetail groove, and the roomy width greater than slot bottom of opening, so that shell 7 is relatively easy to carry out cooperation assembly with seal groove 1, That is, no matter the shape of any seal groove 1, if the assembly between shell 7 can be easy to implement, and guarantee and shell Sealing performance between body 7.

On the basis of the above embodiments, in the present embodiment, chamfering 5 is set as fillet.

It should be pointed out that in the present embodiment, chamfering 5 is fillet, but it is not limited solely to fillet, can also be Other kinds of chamfering 5 such as can also be 45 ° × 45 ° chamferings 5, be also possible to 30 ° × 60 ° of chamferings 5 etc., that is to say, that it is only It wants to realize the convenience assembled by chamfering 5, and guarantees sealing performance.

On the basis of basic embodiment, in the present embodiment, around first seal 2 on the inner wall of first seal 2 Axis annular is provided with sealing strip 6.

By the way that sealing strip 6 is arranged on the inside of first seal 2, preliminary sealing can be carried out to pin shaft, and then will be compared with The impurity discharge of bulky grain can only be the outside that more small steam or dust enter second seal 4, then pass through the outside The sealing of two sealing elements 4 realizes that all isolation ensure that each first device inside shell 7 outside shell 7 by steam and dust The safety of part.

Specifically, in the present embodiment, sealing strip 6 is set as a plurality of, and a plurality of sealing strip 6 is arranged in parallel, and sealing strip 6 is Annular setting, the axis coaxle of axis and first seal 2.

Such setting can carry out multistage filtering sealing to the outer wall of pin shaft, and then ensure that sealing performance and waterproof Effect.

In the present embodiment, the cross section of sealing strip 6 is semicircle, and such shape can neither influence inserting for pin shaft Enter, nor affect on the extraction of pin shaft, and the friction between pin shaft is smaller, ensure that the stability of pin shaft when moving.

It should be pointed out that the cross-sectional shape of sealing strip 6 can be semicircle, but it is not limited solely to semicircle, It can also be other shapes, such as can be with triangle, that is to say, that as long as it can be realized by sealing strip 6 to pin shaft The primary filtration on surface, and guarantee the normal movement of pin shaft.

Basic embodiment based on the application sets sealing ring for second seal 4 in the present embodiment.Sealing ring Internal diameter be slightly less than the outer diameter of pin shaft so that sealing ring can either be realized pair by being tightly fixed on pin shaft The fixation of sealing ring, and can guarantee the sealing to shell 7.

It should be pointed out that in the present embodiment, the mode that is fixedly connected between sealing ring and pin shaft is tight fit, but its It is not limited solely to tight fit this one kind and is fixedly connected with mode, can also be that others are fixedly connected with mode, such as can also be Use bonding etc., that is to say, that as long as sealing ring can be fixed on pin shaft, and guarantee between pin shaft and sealing ring Sealing performance.

Basic embodiment based on the application is flexibly connected one end setting of sleeve in the first sealing in the present embodiment On the inner wall of part 2, or first seal 2 is set close to the side of second seal 4；The other end of flexible connection sleeve 3 is set It sets on the outer wall of second seal 4, or second seal 4 is set close to the side of first seal 2.

Such setting, so that being flexibly connected sleeve 3 when being attached to first seal 2 and second seal 4, no It influences whether the sealing performance between first seal 2 and shell 7, will not influence between second seal 4 and pin shaft Sealing performance ensure that the sealing waterproof performance of entire sealing structure 9.

Basic embodiment based on the application, in the present embodiment, first seal 2, second seal 4 and flexible connection Sleeve 3 is integrated setting.Such set-up mode, it can be ensured that the leakproofness between first seal 2 and flexible connection sleeve 3 Can, it can also ensure that second seal 4 and the sealing performance being flexibly connected between sleeve 3, and then pass through.

It is noted that in the present embodiment, being between first seal 2, second seal 4 and flexible connection sleeve 3 It is wholely set, but it is not only limited to a kind of this set-up mode, can also be other connection types, such as can also be bonding Deng, that is to say, that as long as first seal 2 can be connected and sealed with flexible connection sleeve 3 for it, by second seal 4 It is connected and sealed with flexible connection sleeve 3.

Basic embodiment based on the application, in the present embodiment, first seal 2, second seal 4 and flexible connection The material of sleeve 3 is silica gel.

Using the characterization of adsorption of silica gel, the waterproof performance of sealing structure 9 can be increased.

It should be pointed out that in the present embodiment, the material that all parts of sealing structure 9 use is silica gel, but it is not It is limited only to silica gel, can also be other materials, such as rubber, that is to say, that as long as it can be real by sealing structure 9 Now to the sealing inside shell 7, guarantee waterproof performance.

Second aspect, this application provides a kind of locks comprising the sealing structure 9 of any of the above-described, such as figure 5-8 institute Show.

Sealing structure 9 employed in the application, can be applied to multiple fields, is such as applied on lock, i.e., will be to can First seal 2 is arranged on the shell of lock as pin shaft, second seal 4 is arranged by the mobile lock pin for carrying out car locking On lock pin, to realize the sealing to lock shell.It is also possible to be arranged on the devices such as door lock, mainly realizes to axial direction Mobile pin shaft is sealed.

When carrying out specifically used on lock, in horseshoe lock that can be as shown in Figure 5 and Figure 6, needing to open bayonet lock 11, When locking bar 8 is rotated, under the drive of driving motor 10, move bayonet lock 11 to the inside of shell 7 along its axial direction, this When, second seal 4 follows bayonet lock 11 to move inward, and first seal 2 is motionless, and flexible connection sleeve 3 extends；It is needing to lock When bar 8 is locked, driving motor 10 is rotated, and does not apply active force to bayonet lock 11, and bayonet lock 11 is under the action of pressure spring 12, to The outside of shell 7 moves axially, and enters in the locked groove 13 on locking bar 8, at this point, first seal 2 is motionless, the second sealing Part 4 follows bayonet lock 11 to be displaced outwardly, and flexible connection sleeve 3 compresses.

Such setting can guarantee the component inside lock, such as driving motor 10, control circuit board component Stability and service life.

The third aspect, this application provides a kind of vehicles comprising above-mentioned lock.

There are many kinds of the adaptable vehicles of above-mentioned lock, such as can be and is arranged on bicycle, especially shared single Che Shang is also possible to be arranged on electric vehicle.

Sealing structure 9, lock and vehicle provided by the utility model, by the way that first seal is fixedly installed on shell 7 2, second seal 4 is fixedly installed on pin shaft, is sealed first seal 2 and second by flexible connection sleeve 3 flexible Part 4 connect so that between the inner ring and pin shaft of first seal 2 abrasion nor affect on it is close between the second sealing ring and pin shaft Envelope, and the sealing between second seal 4 and pin shaft, do not interfere with the sealing element between first seal 2 and shell 7, when When pin shaft moves axially, flexible connection sleeve 3 is compressed, to guarantee the sealing between first seal 2 and second seal 4 Connection relationship, and then ensure that the leakproofness of shell 7.The utility model has the advantages of simple structure, practical, at low cost, suitable for pushing away Wide application.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

In addition, it will be appreciated by those of skill in the art that although some embodiments in this include institute in other embodiments Including certain features rather than other feature, but the combination of the feature of different embodiment means to be in the utility model Within the scope of and form different embodiments.For example, embodiment claimed is appointed in claims above Meaning one of can in any combination mode come using.The information disclosed in the background technology section is intended only to deepen to this The understanding of the general background technology of utility model, and be not construed as recognizing or implying in any form that information composition has been The prior art known in those skilled in the art.

Claims (20)

1. a kind of sealing structure, for the sealing structure of lock, the lock includes shell and is contained in the intracorporal pin of the shell Axis, which is characterized in that the sealing structure includes setting first seal on the housing, is arranged in the one of the pin shaft Second seal on end, and it is connected to the flexible connection sleeve of the first seal Yu the second seal, wherein The pin shaft can be moved axially in the sealing structure the other end of the pin shaft is stretched out the shell.

2. sealing structure according to claim 1, which is characterized in that the flexible connection sleeve is stretching structure.

3. sealing structure according to claim 1, which is characterized in that the axial cross section of the side wall of the flexible connection sleeve For wavy shaped configuration.

4. sealing structure according to claim 3, which is characterized in that the wavy shaped configuration is close to the first seal One end crest height be greater than close to the second seal one end crest height.

5. sealing structure according to claim 1, which is characterized in that be provided on the outer wall of the first seal and institute State the seal groove of shell connection.

6. sealing structure according to claim 5, which is characterized in that the seal groove is rectangular channel.

7. sealing structure according to claim 5, which is characterized in that the seal groove is at least one.

8. sealing structure according to claim 5, which is characterized in that the axis of the seal groove and the first seal Axis it is identical.

9. sealing structure according to claim 5, which is characterized in that the opening of the seal groove is close close to described second The side of sealing is provided with chamfering.

10. sealing structure according to claim 9, which is characterized in that the chamfering is fillet.

11. sealing structure according to claim 1, which is characterized in that around described on the inner wall of the first seal The axis annular of one sealing element is provided with sealing strip.

12. sealing structure according to claim 11, which is characterized in that the sealing strip is a plurality of.

13. sealing structure according to claim 1, which is characterized in that the second seal is sealing ring.

14. sealing structure according to claim 1, which is characterized in that one end of the flexible connection sleeve is arranged in institute It states on the inner wall of first seal, or the first seal is set close to the side of the second seal.

15. sealing structure according to claim 1, which is characterized in that the other end setting of the flexible connection sleeve exists On the outer wall of the second seal, or the second seal is set close to the side of the first seal.

16. sealing structure according to claim 1, which is characterized in that the first seal, the second seal and The flexible connection sleeve is integrated setting.

17. sealing structure according to claim 1, which is characterized in that the first seal, the second seal and The material of the flexible connection sleeve is silica gel.

18. a kind of lock, which is characterized in that including lock pin and the described in any item sealing structures of claim 1-17, the lock Pin is provided with bayonet, and in the lock locking, the other end of the pin shaft is inserted into the bayonet.

19. a kind of lock, which is characterized in that described including sticking department and the described in any item sealing structures of claim 1-17 Sticking department is provided with lockhole, and in the lock locking, the other end of the pin shaft is inserted into the lockhole.

20. a kind of vehicle, which is characterized in that including lock described in claim 18 or 19.