CN209163714U - A kind of foldable locking is charged ladder - Google Patents

Abstract

It charges ladder, including foldable locking unit the utility model discloses a kind of foldable locking, the foldable locking unit includes the lateral pedal being fixedly connected and two longitudinal ladder bars, and two longitudinal ladder bars are connected with the both ends of the lateral pedal respectively；Two longitudinal ladder bars include folding locking device；When in running order, the longitudinal direction ladder bars are opened for any angle；When in off working state, the longitudinal direction ladder bars are folded；The folding locking device includes hinged mobile jib portion and folds bar portion, and it is socketed on the outer tube on the outside of the two, in the open state, the folding bar portion is coaxial with the mobile jib portion, and the outer tube is located at the hinged place of the two for limiting the relative rotation of the two；When in folded state, the outer tube is moved to the folding bar portion to facilitate the relatively described mobile jib portion of the folding bar portion to fold.Above-mentioned foldable locking ladder of charging according to circumstances can be opened or be folded, easy to use and flexible.

Description

A kind of foldable locking is charged ladder

Technical field

It charges ladder the utility model relates to police equipment field more particularly to a kind of foldable locking.

Background technique

Currently, terrorist activities are rampant both at home and abroad, drastically influence social security and threaten people life property safety. However, tactical unit, Te Zhan unit and military affairs, People's Armed Police, police and law enforcement agency are prominent in tactics when coping with such event It is in the prior art to charge that the terraced usually folding time is longer, and overall structure is not easy into lacking special ladder of charging when the storming of, tactics Change, is not only easy the opportunity of affecting adversely, and be unfavorable for quickly completing assault in hazardous environment or narrow space, charge, storm Etc. tactical missions.

Utility model content

It charges ladder the purpose of the utility model is to provide a kind of foldable locking, according to circumstances can be opened or be rolled over It is folded, it is convenient to use.

In order to achieve the above objectives, the utility model the following technical schemes are provided:

A kind of foldable locking is charged ladder, including foldable locking unit, and the foldable locking unit includes stationary phase The lateral pedal connect and two longitudinal ladder bars, two longitudinal ladder bars are connected with the both ends of the lateral pedal respectively；Two is described vertical It include folding locking device to ladder bars, when in running order, the longitudinal direction ladder bars are opened for any angle；In inoperative When state, the longitudinal direction ladder bars are folded；The folding locking device includes hinged mobile jib portion and folds bar portion, and is socketed on Outer tube on the outside of the two, in the open state, the folding bar portion are coaxial with the mobile jib portion, and the outer tube is located at The hinged place of the two is used to limit the relative rotation of the two；When in folded state, the outer tube is moved to the folding rod Portion is to facilitate the relatively described mobile jib portion of the folding bar portion to fold.

Preferably, it is equipped with first annular boss on the inside of the outer tube, the mobile jib portion is located at the first annular boss Side, the folding rod portion is located at the other side of the first annular boss；The second annular is equipped on the outside of the folding bar portion Boss, setting has the outer tube far from the folding rod between the first annular boss and second annular convex platform The spring of the trend in portion.

Preferably, the inner end that the mobile jib portion and the folding bar portion are hinged is equipped with external screw thread, the outer tube and institute It states one end similar in mobile jib portion and is equipped with the internal screw thread matched with the external screw thread.

Preferably, the inner end that the mobile jib portion and the folding bar portion are hinged is equipped with U-lag, described to fold the interior of bar portion End is plate, and is located in the U-lag；The mobile jib portion and the folding bar portion are by being arranged in the pin shaft of the U-lag Connection.

Preferably, the folding bar portion includes folding connection piece and folds connecting rod, described folding connection piece one end and institute It states mobile jib portion to connect by the pin shaft, the other end and the folding connecting rod threaded engagement；The outer diameter of the folding connection piece Less than the outer diameter for folding connecting rod, second annular convex platform is located in the folding connecting rod and the folding connection piece Joint.

Preferably, be equipped with the two folding bar portions and two outer tubes, the two folding bar parts not with the mobile jib The both ends in portion are hinged.

Preferably, including several foldable locking units.

Preferably, longitudinal ladder bars are connect with the lateral pedal by interior threeway connection lock element, and described interior three lead to The buckle that latch fitting includes two mutual snappings is connect, the two is connected by threeway bolt.

Preferably, setting support connector between the two lateral pedals.

Foldable locking provided by the utility model is charged ladder, including foldable locking unit, the foldable locking Two longitudinal ladder bars in unit are provided with folding locking device, therefore two longitudinal ladder bars can be straightened or fold；It is in When working condition, the longitudinal direction ladder bars can be straightened, and can also be folded into any angle, so that foldable locking is charged, ladder can be with According to circumstances flexible setting when in use, it is very useful for special space structure；When in off working state, longitudinal ladder Bar can be folded completely to be convenient for carrying.Above-mentioned folding locking device, including mobile jib portion, folding bar portion and outer tube, folding rod Portion and mobile jib portion are hinged, and outer tube, which is located at, to be folded on the outside of bar portion and mobile jib portion, and mobile jib portion is relatively motionless, fold bar portion relative to master Bar portion is folded, while the folding locking device realizes locking function by the movement of outer tube.When the folding locking When device is in completely folded state, the folding bar portion is folded relative to the mobile jib portion, and the outer tube is located at the folding On the outside of folded bar portion；When needing to open, operates the foldings bar portion and the mobile jib portion is opened to special angle, at this time the two It is substantially in herringbone, stablizing it by external force foreign object can be used.If need to fully open, by the folding bar portion with it is described Mobile jib portion is pulled open to substantially coaxial state, but because between the folding bar portion and the mobile jib portion is hinged, open shape State is simultaneously unstable, and the outer tube is mobile to mobile jib portion direction, until outer tube and the folding bar portion and the master The hinged place of bar portion is overlapped, and the presence of outer tube at this time limits the folding bar portion and the mobile jib portion on paper opposite Rotation, therefore stability when enhancing opening state.When needing to be again converted to folded state, by step contrary to the above Operation.

Above-mentioned folding locking apparatus structure is simple, easy to operate, and it is preferable to fully open rear stability, including above-mentioned fold latch The foldable locking of tight device charge terraced off working state when can be carried with folding convenient, when working condition, can be opened into any Angle is convenient to use.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.

Fig. 1 be a kind of specific embodiment of the utility model in foldable locking charge ladder front view；

Fig. 2 is the main view of folding locking device in the open state in Fig. 1；

Fig. 3 is the local perspective view of folding locking device in the open state in Fig. 1；

Fig. 4 is in local perspective view when folded state for folding locking device in Fig. 1；

Fig. 5 is the top view of folding connection piece in Fig. 1；

Fig. 6 is the top view of main rod in Fig. 1；

Fig. 7 is the front view of main rod in Fig. 1.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model core is to provide a kind of foldable locking and charges ladder, according to circumstances can open or fold, make With convenient, flexible.

Please refer to Fig. 1-Fig. 7, Fig. 1 is that foldable locking is charged the facing of ladder in a kind of specific embodiment of the utility model Figure；Fig. 2 is the main view of folding locking device in the open state in Fig. 1；Fig. 3 is that Fig. 1 folding locking device is in opening Local perspective view when state；Fig. 4 is local perspective view when Fig. 1 folding locking device is in folded state；Fig. 5 is in Fig. 1 Folding connection piece top view；Fig. 6 is the top view of main rod in Fig. 1；Fig. 7 is the front view of the main rod in Fig. 1.

In a kind of specific embodiment, foldable locking ladder of charging includes foldable locking unit, foldable locking unit Including lateral pedal 7 and two longitudinal ladder bars 8, two longitudinal ladder bars 8 are fixedly connected with the both ends of lateral pedal 7 respectively, make for convenience With can be set to be detachably connected, for example be bolted, facilitate maintenance and replacement herein；Lateral pedal 7 and two is longitudinal simultaneously Angle between ladder bars 8 can be set to vertically, may be set to be other angles, charge as long as being able to maintain foldable locking The stability of ladder.

Two longitudinal ladder bars 8 are provided with folding locking device 9, the setting position of two folding locking devices 9 usually symmetrically with Folding while facilitating two longitudinal ladder bars, two folding locking devices 9 can make two longitudinal ladder bars 8 be straightened or fold；In work When state, at this moment it is in maximum length on foldable locking unit longitudinal direction that two longitudinal ladder bars 8, which can be straightened,；It can also be folded into and appoint Meaning angle, foldable locking unit is integrally in herringbone structure at this time；When in off working state, described two longitudinal ladder bars 8 can Folded completely to be convenient for carrying.Above-mentioned foldable locking unit allows foldable locking to charge ladder when in use according to feelings Condition flexible setting, it is very useful.

Folding locking device 9 includes mobile jib portion 1 and folds bar portion 2, folds bar portion 1 and mobile jib portion 2 is hinged；Hingedly may be used herein It hingedly can may be flexural pivot for pin shaft to be conventional articulated manner；Mobile jib portion 1 can be solid with folding bar portion 2 Bar, is also possible to hollow stem, and shape can be plate, or cylindrical body.Outer tube 3 is additionally included, outer tube 3 is socketed In the outside for folding bar portion 2 and mobile jib portion 1, outer tube 3 is hollow bushing.

When folding locking device 9 is in completely folded state, length can about foreshorten to the half of original length, this When outer tube 3 be located at and fold the outside of bar portion 2.When folding locking device is converted to full open position, bar portion 2 and mobile jib are folded Portion 1 is substantially coaxial, and outer tube 3 is moved to the hinged place of the two, thus can limit rotation of the two on paper direction, so that folding The opening state of folded locking device 9 is relatively stable.Herein because between outer tube 3 and folding bar portion 2 and mobile jib portion 1 being socket, So it is substantially coaxial in full open position with mobile jib portion 1 to fold bar portion 2.When folding locking device 9 need to be converted to folding When overlapping state, mobile outer tube 3 is to folding in bar portion 2, and the limitation for folding the hinged place in bar portion 2 and mobile jib portion 1 is cancelled, to roll over Folded bar portion 2 can turn to any angle with respect to mobile jib portion 1.

Above-mentioned 9 structure of folding locking device is simple, easy to operate, and locking rear stability is preferable.Wherein outer tube 3 is to be not easy The hard material of deformation, can be aluminium alloy or carbon fiber pipe sleeve or other suitable materials, if its can be moved and It is moved to difficult to slide after certain position, or corresponding positioning device can also be set separately to limit the movement of outer tube 3, For example in outer tube 3, mobile jib portion 1 and fold position appropriate in bar portion 2 and be respectively provided with mutually matched screw thread, for outer tube 3 are positioned when folding locking device 9 is in different conditions.

Provided by above-mentioned specific embodiment on the basis of folding locking device, spring 4 is further added.With mobile jib It portion 1 and folds for bar portion 2 is cylindrical body, specifically, first annular boss 31 is set on the inside of outer tube 3, by mobile jib portion 1 Set up separately with folding bar portion 2 and be located at the left side of first annular boss 31 in the two sides of first annular boss 31, such as mobile jib portion 1, rolls over Folded bar portion 2 is located at the right side of first annular boss 31；Meanwhile second annular convex platform is set on the outside of bar portion 2 folding, by spring 4 It is arranged between first annular boss 31 and the second annular convex platform, 4 one end of spring is in contact with first annular boss 31, the other end It is in contact with the second annular convex platform namely spring 4 is in the socket gap in outer tube 3 and folding bar portion 2 and mobile jib portion 1.This In embodiment, the setting of spring 4 enables outer tube 3 automatically mobile to mobile jib portion 1 far from bar portion 2 is folded；It is first annular The setting of boss 31 not only has position-limiting action to spring 4, while also to outer tube 3 relative to the mobile progress in 1 direction of mobile jib portion Limit；The setting of second annular convex platform only constitutes position-limiting action to spring 4.

When folding locking device is in folded state, folds bar portion 2 and folded relative to mobile jib portion 1, outer tube 3 is moved to 2 outside of bar portion is folded, the relative distance between first annular boss 31 and the second annular convex platform shortens, and spring 4 is in compression shape State；When the conversion of folding locking device is in an open state, turns folding bar portion 2 and be allowed to substantially coaxial with mobile jib portion 1, work as folding rod When portion 2 reaches substantially coaxial state with mobile jib portion 1, outer tube 3 is located at the resistance revocation of 1 side of mobile jib portion, and spring 4 pushes housing Pipe 3 is mobile to 1 direction of mobile jib portion, until its be moved to it is Chong Die with the hinged place of folding bar portion 2 and mobile jib portion 1 until, bullet at this time Spring 4 returns to normal state, while mobile jib portion 1 is also in contact with the first annular boss 31 in outer tube 3, to prevent Further movement of the outer tube 3 relative to mobile jib portion 1.It is mobile outer when folding locking device need to be again converted to folded state Casing 3 is to folding in bar portion 2, and synchronous floor spring 4 is also by equidirectional compression, when the hinged place for folding bar portion 2 and mobile jib portion 1 loses After limitation, bar portion 2 can be turned folding and folded relative to mobile jib portion 1.The above-mentioned folding locking device for increasing spring 4, is rolling over Automatic fastening function may be implemented when opening in folded locking device, more convenient to use.

Further, on the basis of above-mentioned specific embodiment, mobile jib portion 1 is set with one end that bar portion 2 is hinged is folded There is external screw thread, one end similar in outer tube 3 and mobile jib portion 1 is equipped with internal screw thread with matching, when folding locking device is to beat When open state, folding bar portion 2 is substantially coaxial with mobile jib portion 1, and spring 4 is in normal condition at this time, and outer tube 3, which is located at, folds bar portion 2 and mobile jib portion 1 hinged place, the internal screw thread of outer tube 3 is substantially close with the external screw thread in mobile jib portion 1, and rotary sleeve pipe 3 makes at this time With 1 threaded engagement of mobile jib portion, then further limit mobile jib portion 1 and fold bar portion 2 between relative rotation, enhance folding The stability of folded locking device.

In above-mentioned specific embodiment, mobile jib portion 1 and folding bar portion 2 are hinged in folding locking device, specifically, can U-lag is set with the one end being hinged in mobile jib portion 1 with folding bar portion 2, the inner end for folding bar portion 2 is set as plate, and sets It is placed in U-lag；Meanwhile in mobile jib portion 1 and the equitant part of bar portion 2 (i.e. U-lag part) setting is folded through the two Pin shaft 5 is arranged in coaxial through-hole in through-hole, and thus mobile jib portion 1 and folding bar portion 2 are realized hingedly by pin shaft 5.This folding locking Apparatus structure is simple, easy to operate.

As an improvement the U-lag both ends in mobile jib portion 1, which are equipped with, to be resetted on the basis of above-mentioned folding locking device Fillet avoids 1 pair of mobile jib portion folding bar portion 2 from forming interference, with the rotation of bar portion 2 convenient for folding.

Further, it can also will fold bar portion 2 and be divided into two parts, be the folding to connect with 1 pin shaft of mobile jib portion respectively Connector 21, and the folding connecting rod 22 to connect with 21 bolt of folding connection piece；Meanwhile the outer diameter of folding connection piece 21 is less than The outer diameter for folding connecting rod 22.The lesser outer diameter of folding connection piece 21 setting, so that connecting with 22 bolt of connecting rod is folded When, the outside that connecting rod 22 is located at folding connection piece 21 is folded, the two has automatically formed an annular convex platform in place of connecting at this time, The annular convex platform can be used as the use of the second annular convex platform, and the step of the second annular convex platform is separately provided is omitted, so that folding Locking device it is simple and practical in structure.The seperated design for folding bar portion 2 allows the length for folding bar portion 2 different by selection Folding connecting rod 22 and there are many selections, for bigger length requirement, connecting rod 22 can also folded far from the company of folding Internal screw thread or external screw thread is arranged in one end of fitting 21 again, it is possible thereby to continue to install more folding connecting rods 22 additional.

In a specific embodiment, folding locking device can be equipped with two and fold bar portion 2 and two outer tubes 3, two foldings Folded both ends of the bar portion 2 respectively with mobile jib portion 1 are hinged.Folding locking device includes mobile jib portion 1, each folding rod in left and right at this time Portion 2 and outer tube 3, while operating folding bar portion 2 and being folded, then the length of folding locking device can shorten more, and Symmetrical fold structure at this time has biggish promotion for the stability of longitudinal ladder bars 8.

As an improvement foldable locking is charged, ladder can according to need the multiple foldable locking units of setting, Multiple foldable locking units include multiple folding locking devices, and the foldable locking unit of different number may be implemented Foldable locking charge ladder different length need and fold needs, foldable locking at this time charge ladder can different location into Row folds, and can be in herringbone, can also according to circumstances be arranged to other structures, when encountering special circumstances or special construction space Practicability significantly increases.

When foldable locking charge ladder have multiple foldable locking units when, between longitudinal ladder bars 8 and lateral pedal 7 not It the case where being connection between the two again but three's interconnection, may be selected to connect by interior threeway connection lock element 6 at this time, it is interior Threeway connection lock element 6 includes the buckle of two mutual snappings, and the two is connected by threeway bolt.This interior threeway connection lock element 6 fastens After be formed in the interior thereof T-type three-port structure, it is more convenient for being clamped longitudinal ladder bars 8 and lateral pedal 7.

Further, when longitudinal ladder bars 8 are in folded state, foldable locking charges ladder in herringbone or other structures When, its usual structural stability is insufficient, selection wherein two lateral pedal 7, generally selects to be located at and entirely charges the two of terraced outermost end A transverse direction pedal 7, setting support connector, can be connecting plate, connecting rope or connector in-between, it is telescopic more It is good, so as to enhance foldable locking charge ladder use when stability.

Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.

Foldable locking provided by the utility model ladder of charging is described in detail above.Tool used herein Body example is expounded the principles of the present invention and embodiment, and the above embodiments are only used to help understand The method and its core concept of the utility model.It should be pointed out that for those skilled in the art, not taking off Under the premise of from the utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification It also falls into the protection scope of the utility model claims.

Claims (9)

1. The ladder 1. a kind of foldable locking is charged, which is characterized in that

   Including foldable locking unit, the foldable locking unit includes the lateral pedal (7) and two longitudinal ladders being fixedly connected Bar (8), two longitudinal ladder bars (8) are connected with the both ends of the lateral pedal (7) respectively；Two longitudinal ladder bars (8) are wrapped Folding locking device (9) are included, when in running order, the longitudinal direction ladder bars (8) are opened for any angle；In off working state When, the longitudinal direction ladder bars (8) fold；The folding locking device (9) includes hinged mobile jib portion (1) and folds bar portion (2), with And it is socketed on the outer tube (3) on the outside of the two, in the open state, the folding bar portion (2) and the mobile jib portion (1) are altogether Axis, and the outer tube (3) is located at the hinged place of the two for limiting the relative rotation of the two；It is described when in folded state Outer tube (3) is moved to the folding bar portion (2) to facilitate the relatively described mobile jib portion (1) of the folding bar portion (2) to fold.
2. The ladder 2. foldable locking as described in claim 1 is charged, which is characterized in that

   First annular boss (31) are equipped on the inside of the outer tube (3), the mobile jib portion (1) and the folding bar portion (2) are respectively Positioned at the two sides of the first annular boss (31)；The second annular convex platform, first ring are equipped on the outside of the folding bar portion (2) Setting can make the outer tube (3) far from the bullet for folding bar portion (2) between shape boss (31) and second annular convex platform Spring (4).
3. The ladder 3. foldable locking as claimed in claim 2 is charged, which is characterized in that

   The mobile jib portion (1) and the inner end that is hinged of folding bar portion (2) are equipped with external screw thread, the outer tube (3) with it is described One end similar in mobile jib portion (1) is equipped with the internal screw thread matched with the external screw thread.
4. The ladder 4. foldable locking as claimed in claim 3 is charged, which is characterized in that

   The inner end that the mobile jib portion (1) and folding bar portion (2) are hinged is equipped with U-lag, the inner end for folding bar portion (2) For plate, and it is located in the U-lag；The mobile jib portion (1) and the folding bar portion (2) are by being arranged in the U-lag Pin shaft (5) connection.
5. The ladder 5. foldable locking as claimed in claim 4 is charged, which is characterized in that

   The folding bar portion (2) includes folding connection piece (21) and folds connecting rod (22), folding connection piece (21) inner end It is connect with the mobile jib portion (1) by the pin shaft (5), outer end and folding connecting rod (22) threaded engagement；The folding The outer diameter of connector (21) is less than the outer diameter for folding connecting rod (22), and second annular convex platform is located at folding connection On bar (22) with the joint of the folding connection piece (21).
6. The ladder 6. foldable locking a method as claimed in any one of claims 1 to 5 is charged, which is characterized in that

   Equipped with the two folding bar portions (2) and two outer tubes (3), the two folding bar portions (2) respectively with the mobile jib portion (1) both ends are hinged.
7. The ladder 7. foldable locking as claimed in claim 6 is charged, which is characterized in that

   Including several foldable locking units.
8. The ladder 8. foldable locking as claimed in claim 7 is charged, which is characterized in that

   Two longitudinal ladder bars (8) are connect by interior threeway connection lock element (6) with the lateral pedal (7), the interior threeway Connection lock element (6) includes the buckle of two mutual snappings, and the two is connected by threeway bolt.
9. The ladder 9. foldable locking as claimed in claim 8 is charged, which is characterized in that

   Setting support connector between the two lateral pedals (7).