CN220549162U - Locking structure of folding vertical pipe - Google Patents

Abstract

The utility model discloses a locking structure of a folding vertical pipe, which comprises a hollow folding upper seat and a folding lower seat, wherein one end of the folding upper seat, which is far away from the folding lower seat, is inserted with the hollow upper pipe, the folding upper seat and the folding lower seat are movably connected through a rotating shaft I which is penetrated through a connecting part, a wrench is movably embedded in the folding upper seat, the rotating shaft I is penetrated with a wrench, the wrench is positioned between the connecting part of the folding upper seat and the folding lower seat, a first locking mechanism is arranged at the middle section of the wrench, the first locking mechanism penetrates through the wrench, and is clamped on a hook of the upper pipe in a locking state, a groove is formed in one side of the wrench, which faces the upper pipe, a fulcrum elastic component is fixedly arranged in the groove, and the groove is positioned under the first locking mechanism.

Description

Locking structure of folding vertical pipe

Technical Field

The utility model belongs to the technical field of electric vehicle folding, and particularly relates to a locking structure of a folding vertical pipe.

Background

Along with the popularization of the electric vehicle, the electric vehicle gradually enters the life of the public with the characteristics of environmental protection, rapidness and convenience, and along with the increasing of the use amount of the electric vehicle, the requirements on the electric vehicle are complicated, wherein portability is one of the requirements of a plurality of users, so that the foldable electric vehicle becomes a hot product;

at present, the locking structure of the folding vertical pipe of the electric vehicle can only have a locking structure, and as time goes by, the parts age and loosen, the unlocking is easily touched by mistake, and a larger potential safety hazard exists. There is a need for a solution to the above-mentioned problems.

The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.

Disclosure of Invention

In order to solve the problems, the utility model aims to provide a locking structure of a folding vertical pipe, which is firm in closing, convenient in unlocking, labor-saving, simple in structure and provided with a plurality of locking channels.

In order to achieve the above object, the utility model provides a locking structure of a folding riser, which is characterized by comprising a hollow folding upper seat and a folding lower seat, wherein one end of the folding upper seat, which is far away from the folding lower seat, is inserted with a hollow upper pipe, the folding upper seat and the folding lower seat are movably connected through a rotating shaft I which is penetrated through a connecting part, the folding upper seat is movably embedded with an embedded lock, when the folding upper seat and the folding lower seat are mutually buckled, the embedded lock is embedded into the folding lower seat, a spanner is further penetrated through the rotating shaft I, the spanner is positioned between the connecting parts of the folding upper seat and the folding lower seat, a first locking mechanism penetrates through the spanner, the first locking mechanism is clamped on a hook of the upper pipe in a locking state, one side of the spanner, which faces the upper pipe, is fixedly provided with a supporting point elastic component, and the groove is positioned right below the first locking mechanism.

In an example, embedded lock includes main part and fretwork portion, fretwork portion is located the main part is close to one side of connecting portion, the both sides of fretwork portion and be close to the through-hole that communicates each other has all been seted up to the one end of connecting portion, the main part is close to the side edge of the one end of folding seat of going up the main part the circumference of main part is provided with the flange, the main part is relative the other side of flange is provided with oblique flange, folding seat down towards folding seat of going up's opening part be provided with oblique draw-in groove of oblique flange looks adaptation, oblique flange of slope design with when oblique draw-in groove can make folding seat of going up with folding seat of going down each other is detained each other, oblique flange can light landing extremely in the oblique draw-in groove, the smoothness when increasing locking mechanism lock, the main part is close to the end of flange is provided with a pair of projection.

In an example, the rotating shaft ii is horizontally arranged in the hollow portion in a penetrating manner, the rotating shaft ii is arranged in two opposite through holes of the hollow portion in a penetrating manner, the middle section of the rotating shaft ii is fixedly connected with the universal shaft, the other end of the universal shaft penetrates through the through hole close to one end of the connecting portion and extends to the outside of the through hole to be movably embedded in the wrench, so that the wrench is driven to move towards the wrench direction when the wrench rotates downwards to unlock, and the inclined flange is enabled to deviate from the folding lower seat, so that unlocking of the embedded lock is completed.

In one example, two symmetrical sliding grooves are formed in the end face, facing the folding lower seat, of the folding upper seat, two convex columns are movably inserted into the sliding grooves respectively, and clamping grooves matched with the flanges are formed in the opening of the folding upper seat.

In an example, still be provided with in the sliding tray and compress tightly the elastic component, compress tightly elastic component one end set firmly in the sliding tray is close to the one end of spanner, the other end is connected corresponding the projection, makes the embedded lock is under the lock state, through compress tightly the elastic component promotes the extrusion the projection for oblique flange with the lock of oblique draw-in groove is more stable, prevents under the circumstances that produces rocked oblique flange is deviate from in the oblique draw-in groove, causes other parts to bear pressure, leads to the damage.

In one example, a semi-arc groove matched with the end part of the universal shaft is formed in the bottom of the wrench, so that the universal shaft is movably clamped in the circular groove.

In one example, the through hole of the hollow part near one end of the connecting part is provided with an outwards extending flaring, so that the universal shaft rotates in a limited range by taking the rotating shaft II as a circle center when rotating along with the rotating shaft II.

In one example, the side wall of the folding lower seat is provided with a gap along the vertical direction, the gap is closed towards the opposite position by a fixing bolt horizontally penetrating through the side wall of the folding lower seat, the folding lower seat and a pipe body connected with the folding lower seat can be better connected, and the stability of connection is improved.

In an example, the arc opening has been seted up to the lateral wall of folding lower carriage, folding lower carriage will with arc opening looks adaptation's U type extrusion piece is fixed through fixing bolt the arc opening, will through fixing bolt the U type extrusion piece orientation folding lower carriage is inside extrudees fixedly for folding lower carriage and the better connection of body that links to each other thereof can increase the stability of connection.

In one example, the first locking mechanism comprises an outer clamping piece, the outer clamping piece is arranged on one side, away from the upper pipe, of the wrench, a convex column is arranged on one side, facing the upper pipe, of the outer clamping piece, the end portion of the convex column penetrates through a through hole corresponding to the wrench to extend into the inner clamping piece, the inner clamping piece is in a hook shape matched with the hook, the upper end face of the convex column is connected with a reset spring, and the other end of the reset spring is connected with the top of the through hole.

The locking structure of the folding vertical pipe provided by the utility model has the following beneficial effects:

1. the double-lock design formed by the wrench and the embedded lock increases the stability of the locking structure and prevents potential safety hazards caused by unlocking caused by false touch;

2. the fulcrum elastic component can be used as a fulcrum of a spanner during unlocking, so that the force arm is shortened to reduce the force required by rotating the spanner during unlocking, meanwhile, the fulcrum elastic component can be used as a limiting component during locking to prevent the spanner from excessively approaching to an upper pipe, so that a hook loosens and falls off, meanwhile, in the process of rotating the spanner, the fulcrum elastic component can provide partial kinetic potential energy to assist in rotating the spanner, meanwhile, if errors occur in the design between an inner clamping piece and a hook opening, the hook is slightly loosened during locking, the fulcrum elastic component can expand the distance between the spanner and the upper pipe through the elastic potential energy of the fulcrum elastic component, so that the hook can be fixed in the hook opening, and the biting force between the hook and the hook opening is increased;

3. the design of the inclined flange of the embedded lock and the inclined clamping groove of the folding lower seat can facilitate the buckling and the falling-out of the embedded lock when the embedded lock is closed and unlocked;

4. the U-shaped extrusion block is matched with the fixing bolt in the folding lower seat to extrude and fix the U-shaped extrusion block towards the inside of the folding lower seat, so that the inner diameter of the folding lower seat is reduced, the pipe body connected with the folding lower seat can be better connected, and the stability of connection is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a schematic view of a locking structure of a folding riser according to the present utility model in a closed state.

Fig. 2 is a schematic view showing an opened state structure of a locking structure of a folding riser according to the present utility model.

Fig. 3 is an exploded view of a locking structure of a folding riser according to the present utility model.

Fig. 4 is a schematic perspective view of a non-compression elastic assembly of the folding upper seat of the present utility model.

Fig. 5 is a schematic view showing a bottom view of the folding upper seat of the present utility model.

Fig. 6 is a schematic perspective view of one of the structures of the folding lower seat of the present utility model.

Fig. 7 is a schematic perspective view of one of the folded lower seats of the present utility model.

Fig. 8 is an enlarged view of the lower section of the upper tube of the present utility model.

Fig. 9 is a schematic perspective view of a locking structure according to the present utility model.

Fig. 10 is a schematic front view of the wrench of the present utility model.

Fig. 11 is a schematic perspective view of the built-in lock of the present utility model.

Fig. 12 is a schematic side view of the interlock of the present utility model.

Fig. 13 is a schematic bottom view of the interlock latch of the present utility model.

Fig. 14 is a schematic top view of the interlock of the present utility model.

Fig. 15 is a schematic perspective view of one of the structures of the folding lower seat of the present utility model.

FIG. 16 is a schematic perspective view of a locking structure according to the present utility model

Fig. 17 is a schematic view of another structure of the wrench of the present utility model.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the description with reference to the terms "one aspect," "some aspects," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily for the same scheme or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 16, an embodiment of the present utility model provides a locking structure of a folding riser, which includes a hollow folding upper seat 1 and a folding lower seat 2, wherein a hollow upper tube 3 is inserted into one end of the folding upper seat 1 far away from the folding lower seat 2, a groove 64 is formed on one side of the folding upper seat 1 facing the upper tube 3, a pivot elastic component is fixedly arranged in the groove 64, the groove 64 is movably embedded with an embedded lock 11 in the folding upper seat 1, when the folding upper seat 1 and the folding lower seat 2 are mutually buckled, the embedded lock 11 is embedded in the folding lower seat 2, a wrench 6 is further arranged on the pivot i 5 in a penetrating manner, the wrench 6 is positioned between the connecting portion 4 of the folding upper seat 1 and the folding lower seat 2, a first locking mechanism 61 is arranged in the middle section of the wrench 6, the first locking mechanism 61 penetrates through the wrench 6, the first locking mechanism 61 is clamped on a hook 31 of the upper tube 3 in a locking state, the wrench 6 faces one side of the upper tube 3, the groove 64 is fixedly arranged in the groove 64, the embedded lock 11 is positioned under the first locking mechanism 61, when the fulcrum elastic component 641 is used as a pivot, the wrench 6 can be shortened when the wrench 6 is in an unlocking state, and the required torque arm 641 is shortened when the wrench 6 is used as a pivot, and the elastic component is prevented from being excessively locked when the wrench 6 is in a loosening state.

Specifically, the two sides of the wrench 6 are provided with lugs for increasing the stressed area.

Specifically, the embedded lock 11 includes a main body 111 and a hollow portion 112, the hollow portion 112 is located at one side of the main body 111 near the connecting portion 4, through holes which are communicated with each other are formed in two sides of the hollow portion 112 and one end near the connecting portion 4, a flange 113 is arranged on a side edge of the main body 111 near one end of the folded upper seat 1 along the circumferential direction of the main body 111, an inclined flange 114 is arranged on the other side edge of the main body 111 opposite to the flange 113, an inclined clamping groove 21 which is matched with the inclined flange 114 is arranged at the opening of the folded lower seat 2 towards the folded upper seat 1, and the inclined flange 114 and the inclined clamping groove 21 which are obliquely designed enable the folded upper seat 1 and the folded lower seat 2 to slide into the inclined clamping groove 21 easily when the folded upper seat 1 and the folded lower seat 2 are buckled with each other, smoothness when a locking mechanism is increased, and a pair of convex columns 115 are arranged at the end of the main body 111 near the flange 113.

Specifically, the hollow portion 112 is internally and horizontally penetrated with the rotating shaft ii 116, the rotating shaft ii 116 is penetrated in two opposite through holes of the hollow portion 112, the middle section of the rotating shaft ii 116 is fixedly connected with the universal shaft 117, the other end of the universal shaft 117 penetrates through the through hole near one end of the connecting portion 4 to extend to the outside of the through hole to be movably embedded in the wrench 6, when the wrench 6 rotates downwards to unlock, the embedded lock 11 is driven to move towards the wrench 6, the inclined flange 114 is separated from the folding lower seat 2, and the unlocking of the embedded lock 11 is completed.

Specifically, two symmetrical sliding grooves 12 are formed in the end face, facing the folding lower seat 2, of the folding upper seat 1, two convex columns 115 are respectively movably inserted into the sliding grooves 12, clamping grooves 13 matched with the flanges 113 are formed in the opening of the folding upper seat 1, embedded locks 11 are movably clamped in the clamping grooves 13 through the flanges 113, limiting frames 14 are further arranged on the folding upper seat 1, the limiting frames 14 are located between the connecting portions 4 of the folding upper seat 1 and used for preventing the embedded locks 11 from shifting along with the position caused by rotation of the wrench 6, and closing effects during buckling are affected.

Specifically, still be provided with in the sliding tray 12 and compress tightly the elastic component 121, compress tightly the one end that the elastic component 121 set firmly in the sliding tray 12 is close to spacing frame 14, the projection 115 that corresponds is connected to the other end, make embedded lock 11 under the lock state, promote extrusion projection 115 through compressing tightly the elastic component 121 for the lock of oblique flange 114 and oblique draw-in groove 21 is more stable, prevents to deviate from oblique draw-in groove 21 under the circumstances that produces rocking, causes other parts to bear pressure, leads to the damage.

Specifically, a circular groove 65 matched with the end part of the universal shaft 117 is formed in the bottom of the wrench 6, so that the universal shaft 117 is movably clamped in the circular groove 65.

Specifically, the through hole of the hollow portion 112 near one end of the connecting portion 4 is provided with an outwardly extending flaring, so that the universal shaft 117 rotates in a limited range around the rotation shaft ii 116 when rotating along with the rotation shaft ii 116.

Specifically, the gap is offered along the vertical direction to the lateral wall of folding lower seat 2, wears to establish the fixing bolt at the lateral wall of folding lower seat through the level and draws close the completion closure towards relative position with the gap, guarantees folding lower seat and the better connection of body that links to each other thereof, increases the stability of connection.

Specifically, the arc opening 22 has been seted up to the lateral wall of folding lower seat 2, and folding lower seat 2 will be fixed at arc opening 22 with the U type extrusion piece 23 of arc opening 22 looks adaptation through fixing bolt, extrudees fixedly towards folding lower seat 2 inside with U type extrusion piece 23 through fixing bolt for folding lower seat 2 can be better with its continuous body be connected, increases the stability of connection.

Specifically, the first locking mechanism 61 includes an outer clamping member 611, the outer clamping member 611 is disposed on one side of the wrench 6 away from the upper tube 3, a boss 612 is disposed on one side of the outer clamping member 611 facing the upper tube 3, a through hole corresponding to the wrench 6 is penetrated at an end of the boss 612 and extends into the inner clamping member 613, the inner clamping member 613 is hooked with the hook 31, an upper end surface of the boss 612 is connected with a return spring 614, and the other end of the return spring 614 is connected with the top of the through hole.

Working principle: when the folding upper seat and the folding lower seat are mutually buckled in a closed state, the rotating spanner is lifted upwards, the inclined flange of the embedded lock movably embedded in the folding upper seat horizontally moves and slides into the inclined clamping groove under the combined action of the universal shaft and the pressing elastic component, and meanwhile one end of the hook is hung in the hook opening to finish the closing and locking;

when in an open state, the hook is pushed to rotate by taking the rotating shaft II of the rotating shaft as the center of a circle, the hook is separated from the hole of the hook to complete first unlocking, then the wrench is rotated, the wrench is enabled to take the fulcrum elastic component as a fulcrum, the force arm is shortened to reduce the force required by rotating the wrench during unlocking, the wrench is enabled to rotate downwards, the embedded lock connected with the wrench is pulled by the universal shaft, the embedded lock is enabled to displace towards the direction of the wrench, the inclined flange is separated from the inclined clamping groove to complete second unlocking, and therefore the folding unlocking function of the folding vertical pipe is completed.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (10)

1. The utility model provides a locking structure of folding riser, its characterized in that includes hollow folding seat and folding lower seat, folding seat of going up is kept away from folding lower seat's one end is inserted and is equipped with hollow upper tube, folding seat of going up with pass through in connecting portion between the folding lower seat and establish pivot I swing joint, folding seat of going up internal activity gomphosis is embedded, works as folding seat of going up with folding lower seat is when buckling each other, embedded embedding is in the folding lower seat, still wear to have the spanner in the pivot I, the spanner is located folding seat of going up with folding lower seat's connecting portion, the middle section of spanner is provided with first locking mechanism, first locking mechanism runs through the spanner under locking state first locking mechanism block is in on the couple of upper tube, the spanner orientation is seted up flutedly to one side of upper tube, the recess internal fixation has fulcrum elastic component, the recess is located under the first locking mechanism.

2. The locking structure of a folding riser according to claim 1, wherein the embedded lock comprises a main body and a hollowed-out portion, the hollowed-out portion is located on one side, close to the connecting portion, of the main body, through holes which are communicated with each other are formed in two sides of the hollowed-out portion and one end, close to the connecting portion, of the main body, a flange is arranged on the side edge, close to one end of the folding upper seat, of the main body in the circumferential direction of the main body, an inclined flange is arranged on the other side edge, opposite to the flange, of the main body, an inclined clamping groove which is matched with the inclined flange is formed in the opening of the folding lower seat, and a pair of convex columns are arranged on the end, close to the flange, of the main body.

3. The locking structure of the folding vertical pipe according to claim 2, wherein the hollow part is internally and horizontally penetrated with a rotating shaft II, the rotating shaft II is penetrated into two opposite through holes of the hollow part, the middle section of the rotating shaft II is fixedly connected with a universal shaft, and the other end of the universal shaft penetrates through the through hole near one end of the connecting part to extend to the outside of the through hole to be movably embedded in the wrench.

4. The locking structure of a folding riser according to claim 2, wherein two symmetrical sliding grooves are formed in the end face of the folding upper seat facing the folding lower seat, two protruding columns are movably inserted into the sliding grooves respectively, and clamping grooves matched with the flanges are formed in the opening of the folding upper seat.

5. The locking structure of a folding riser of claim 4, wherein a compression elastic assembly is further disposed in the sliding groove, one end of the compression elastic assembly is fixedly disposed in the sliding groove near one end of the wrench, and the other end of the compression elastic assembly is connected with the corresponding protruding column.

6. A folding stand pipe locking structure according to claim 3, wherein a circular groove adapted to the end of the universal shaft is provided at the bottom of the wrench, so that the universal shaft is movably clamped in the circular groove.

7. A locking structure of a folding riser according to claim 3, wherein the through hole of the hollow part near one end of the connecting part is provided with an outwardly extending flaring, so that the universal shaft rotates in a limited range with the rotating shaft ii as a center of a circle when rotating along with the rotating shaft ii.

8. The locking structure of the folding riser according to claim 1, wherein the side wall of the folding lower seat is provided with a slit along the vertical direction, and the slit is closed towards the opposite position by a fixing bolt horizontally penetrating through the side wall of the folding lower seat.

9. The locking structure of a folding riser according to claim 1, wherein the side wall of the folding lower seat is provided with an arc opening, and the folding lower seat fixes a U-shaped extrusion block matched with the arc opening at the arc opening through a fixing bolt.

10. The locking structure of a folding riser according to claim 1, wherein the first locking mechanism comprises an outer clamping piece, the outer clamping piece is arranged on one side, away from the upper pipe, of the wrench, a convex column is arranged on one side, facing the upper pipe, of the outer clamping piece, a through hole corresponding to the wrench is arranged at the end part of the convex column in a penetrating mode, the through hole corresponding to the wrench extends into the inner clamping piece, the inner clamping piece is in a hook shape matched with the hook, the upper end face of the convex column is connected with a reset spring, and the other end of the reset spring is connected with the top of the through hole.