CN218400061U - Locking mechanism, truckle subassembly and transportation structure - Google Patents

Abstract

The utility model relates to a locking mechanism, truckle subassembly and transportation structure, locking mechanism includes: a lock seat; one end of the connecting shaft is rotatably connected with the lock seat; the connecting shaft is provided with a limiting structure, a limiting groove matched with the limiting structure is formed in the lock base, the limiting structure is abutted to the limiting groove, so that the connecting shaft is circumferentially fixed relative to the lock base, and the limiting groove can move to be far away from the limiting structure, so that the abutting of the limiting structure and the limiting groove is removed. According to the technical scheme, the locking mechanism is abutted against the limiting structure of the connecting shaft through the limiting groove of the lock base, so that the connecting shaft and the base body at one end of the connecting shaft are circumferentially fixed relative to the lock base, and the base body is prevented from rotating randomly; and through the movable setting of spacing groove, when the spacing groove moved to keeping away from limit structure, can remove the butt of limit structure and spacing groove to make connecting axle and pedestal resume to rotate.

Description

Locking mechanism, truckle subassembly and transportation structure

Technical Field

The utility model relates to a machine parts field, in particular to locking mechanism, truckle subassembly and transport structure.

Background

With the development of science and technology, the innovation of electronic products in recent years is diversified, humanized and beautiful. In the electronic consumer market, more and more large-scale products are equipped with the truckle, and traditional vertical type truckle and universal wheel have influenced the pleasing to the eye of product when the base of truckle is exposed in the product because its base can rotate at will to inconvenient equipment packing, the truckle damages product packaging easily in the transportation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a locking mechanism aims at solving current truckle base technical problem of rotating at will.

The second purpose of the utility model is to provide a caster wheel component.

The third purpose of the utility model is to provide a transportation structure.

In order to achieve the above object, the utility model provides a locking mechanism, include:

a lock seat;

one end of the connecting shaft is rotatably connected with the lock seat;

the connecting shaft is provided with a limiting structure, a limiting groove matched with the limiting structure is formed in the lock base, the limiting structure is abutted to the limiting groove, so that the connecting shaft is circumferentially fixed relative to the lock base, and the limiting groove can move to be far away from the limiting structure, so that the abutting of the limiting structure and the limiting groove is removed.

As a further improvement of the utility model: the lock seat comprises a limiting block, the limiting block is connected in the lock seat in a sliding manner, and the limiting block is internally provided with a limiting groove;

the limiting block is provided with a movable groove, the movable groove is communicated with the limiting groove, the movable groove is used for allowing the connecting shaft to rotate in the circumferential direction, and the limiting block is arranged in a sliding mode relative to the lock base, so that the limiting structure can move between the limiting groove and the movable groove.

As a further improvement of the utility model: the limiting structure comprises a first side wall section and a second side wall section which are positioned on the connecting shaft, and the distance from the first side wall section to the axis of the connecting shaft is smaller than the distance from the second side wall section to the axis of the connecting shaft.

As a further improvement of the utility model: the groove width of the movable groove is not smaller than the outer diameter of the enveloping circle of the connecting shaft, and the groove width of the limiting groove is smaller than the outer diameter of the enveloping circle of the connecting shaft.

As a further improvement of the utility model: still include first elastic component, be provided with the sliding tray in the lock seat, stopper sliding connection in the sliding tray is interior, the one end of first elastic component is connected the inside wall of sliding tray, the other end of first elastic component is connected the stopper, first elastic component is used for promoting the stopper makes limit structure follows the activity groove removes extremely the limiting groove.

As a further improvement of the utility model: the lock further comprises a key, one end of the key is connected with the limiting block, and the other end of the key is convexly arranged outside the lock base.

In order to realize the second purpose, the utility model discloses still provide a truckle subassembly, the truckle subassembly includes pedestal and foretell locking mechanism, the one end of connecting axle with the lock seat rotates to be connected, the other end of connecting axle is used for connecting the pedestal of truckle.

As a further improvement of the utility model: the caster wheel assembly comprises a roller wheel, and the roller wheel is rotatably connected to the base body.

As a further improvement of the utility model: the base body is provided with a connecting groove, and one end of the connecting shaft is connected in the connecting groove;

the caster assembly further comprises a second elastic piece, the second elastic piece is sleeved on the connecting shaft, one end of the second elastic piece is connected with the lock seat, the other end of the second elastic piece is connected with the seat body, and the second elastic piece is used for enabling the first side wall section to deflect to form an included angle with the side wall surface of the limiting groove; and/or the presence of a gas in the atmosphere,

the base body is at least partially arranged to have an extending direction deviating from the axis of the connecting shaft.

In order to achieve the third purpose, the utility model discloses still provide a transportation structure, the transportation structure includes foretell truckle subassembly.

The locking mechanism of this technical scheme includes: a lock base; one end of the connecting shaft is rotatably connected with the lock seat, and the other end of the connecting shaft is used for connecting a seat body of a caster; the connecting shaft is provided with a limiting structure, a limiting groove matched with the limiting structure is formed in the lock base, the limiting structure is abutted to the limiting groove, so that the connecting shaft is circumferentially fixed relative to the lock base, and the limiting groove can move to be far away from the limiting structure, so that the abutting of the limiting structure and the limiting groove is removed. According to the technical scheme, the locking mechanism is abutted against the limiting structure of the connecting shaft through the limiting groove of the lock base, so that the connecting shaft and the base body at one end of the connecting shaft are circumferentially fixed relative to the lock base, and the base body is prevented from rotating randomly; and through the movable setting of spacing groove, when the spacing groove moves when keeping away from limit structure, can remove the butt of limit structure and spacing groove to make connecting axle and pedestal resume the rotation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of a caster of the present application;

FIG. 2 is an exploded view of an embodiment of the caster of the present application;

FIG. 3 is a schematic view of a locked state of an embodiment of the locking mechanism of the present application;

fig. 4 is a schematic view of an unlocked state of an embodiment of the locking mechanism of the present application.

The reference numbers illustrate:

the realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front, and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Along with the development of science and technology, the innovation of electronic products in recent years is diversified, humanized and beautiful. In the electronic consumer market, more and more large-scale products are equipped with the truckle, and traditional vertical type truckle and universal wheel have influenced the pleasing to the eye of product because its base can rotate at will when the base of truckle exposes in the product to inconvenient equipment packing, the truckle damages the product packing easily in the transportation.

In view of the above, the main objective of the present invention is to provide a locking mechanism, which aims to solve the technical problem of the conventional caster base that rotates freely.

It should be noted that, in the following embodiments, the locking mechanism is used for connecting the seat body of the caster of the electronic product equipment, so that the caster has a locked state and an unlocked state. In a locking state, the base body of the caster cannot rotate, and the base body can be hidden in the equipment; in the unlocking state, the base body of the caster can rotate freely, so that the electronic product equipment is convenient to transport.

Referring to fig. 1-2, in an embodiment of the locking mechanism 100 of the present application, the locking mechanism 100 includes:

a lock holder 30;

one end of the connecting shaft 20 is rotatably connected with the lock seat 30, and the other end of the connecting shaft 20 is used for connecting the seat body 10 of the caster;

the connecting shaft 20 is provided with a limiting structure, a limiting groove 41 matched with the limiting structure is arranged in the lock base 30, the limiting structure is abutted against the limiting groove 41, so that the connecting shaft 20 is circumferentially fixed relative to the lock base 30, and the limiting groove 41 can move far away from the limiting structure to relieve the abutting of the limiting structure and the limiting groove 41.

It should be noted that the limiting groove 41 of the present embodiment may be a groove body with a solid structure, and the groove body is movable relative to the connecting shaft 20 in the lock seat 30.

The locking mechanism of the technical scheme is abutted against the limiting structure of the connecting shaft 20 through the limiting groove 41 of the lock base, so that the connecting shaft 20 and the base body 10 at one end of the connecting shaft are circumferentially fixed relative to the lock base 30, and the base body 10 is prevented from randomly rotating; and can move the setting through spacing groove 41, when spacing groove 41 moved to keeping away from limit structure, can relieve limit structure and 41 butt of spacing groove to make connecting axle 20 and pedestal 10 resume to rotate.

Further, in one embodiment, the lock seat 30 includes a limiting block 40, the limiting block 40 is slidably connected in the lock seat 30, and the limiting block 40 is provided with the limiting groove 41;

the limiting block 40 is provided with a movable groove 42 therein, the movable groove 42 is communicated with the limiting groove 41, the movable groove 42 is used for circumferential rotation of the connecting shaft 20, and the limiting block 40 is used for sliding relative to the lock base 30, so that the limiting structure can move relatively in the limiting groove 41 and the movable groove 42.

Specifically, referring to fig. 3-4, in the present embodiment, a slidable limiting block 40 is disposed in the lock seat 30, and a limiting groove 41 and a movable groove 42 that are communicated with each other are disposed in the limiting block 40, when the limiting block 40 slides, the limiting structure can relatively move from the limiting groove 41 to the movable groove 42, and relatively move from the limiting groove 41 to the movable groove 42 or from the movable groove 42 to the limiting groove 41 through the limiting structure, so that the locking mechanism 100 has a locking state and an unlocking state of the locking seat body. Specifically, when the locking mechanism 100 is in the locking state, the limiting groove 41 is clamped with the connecting shaft 20, the connecting shaft 20 is locked, and the connecting shaft 20 and the seat body 10 cannot rotate; when the locking mechanism 100 is in the locking state, the limiting block 40 slides reversely by external acting force, so that the connecting shaft 20 enters the movable groove 42 from the limiting groove 41, and after the connecting shaft 20 is separated from the limiting groove 41, the connecting shaft 20 can rotate in the movable groove 42, so that the connecting shaft 20 drives the seat body to rotate coaxially when the locking mechanism 100 is in the unlocking state.

Further, in an embodiment, the limiting structure includes a first side wall section 21 and a second side wall section 22 on the connecting shaft 20, and a distance from the first side wall section 21 to an axis of the connecting shaft 20 is smaller than a distance from the second side wall section 22 to an axis of the connecting shaft 20.

Specifically, in the present embodiment, the limiting structure is used to make part of the rod segments of the connecting shaft 20 form an irregular structure, so as to cooperate with the limiting groove 41, so that the limiting groove 41 limits the connecting shaft 20 to rotate. The limiting structure may be a protruding structure disposed on the shaft body of the connecting shaft, or an irregular structure formed by changing the shape (e.g., an elliptical structure) of the shaft body of the connecting shaft. Referring to fig. 2, in the present embodiment, the limiting structure is a first side wall section 21 recessed from an outer surface of the connecting shaft 20 to form a plane, and the first side wall section 21 is symmetrically disposed about an axis of the connecting shaft 20. The first sidewall section 21 terminates in a second sidewall section 22, the second sidewall section 22 being curved. The distance from the first side wall section 21 to the axis of the connecting shaft 20 is smaller than the distance from the second side wall section 22 to the axis of the connecting shaft 20, so that the connecting shaft is in an irregular structure, the inner side wall of the limiting groove 41 is attached to the first side wall section 21 and the second side wall section 22, and the limiting block 40 can fix the connecting shaft 20 to enable the connecting shaft to be incapable of rotating.

Further, in a certain embodiment, the width of the movable groove 42 is not smaller than the outer diameter of the enveloping circle of the connecting shaft 20, and the width of the limiting groove 41 is smaller than the outer diameter of the enveloping circle of the connecting shaft 20. The envelope circle corresponds to an irregularly shaped circumscribed circle, and the outer diameter of the envelope circle of the connecting shaft 20 is the circumscribed circle formed by the largest diameter of the connecting shaft 20 in the radial direction. With the arrangement, when the limiting block 40 slides, the connecting shaft 20 enters the movable groove 42 from the limiting groove 41, the space in the movable groove 42 is sufficient, and the connecting shaft 20 can rotate in the movable groove 42; the groove width of the limiting groove 41 is smaller than the outer diameter of the enveloping circle of the connecting shaft 20, the connecting shaft 20 is limited in rotation, and the connecting shaft 20 cannot rotate or can only rotate within a certain angle range.

Further, in an embodiment, the lock further includes a first elastic member 60, a sliding groove 31 is disposed in the lock seat 30, the stopper 40 is slidably connected in the sliding groove 31, one end of the first elastic member 60 is connected to an inner side wall of the sliding groove 31, the other end of the first elastic member 60 is connected to the stopper 40, and the first elastic member 60 is configured to push the stopper 40 to move, so that the limiting structure moves from the movable groove 42 to the stopper groove 41.

Specifically, in the present embodiment, the first elastic member 60 and the stopper 40 are mounted in the sliding groove 31. When the locking mechanism 100 is in the unlocked state under the action of an external force, the connecting shaft 20 is located in the movable groove 42, the first elastic member 60 is in a compressed state, the first elastic member 60 forms an elastic force due to compression, and the elastic force acts on the limiting block 40; after the external force is removed, the first elastic element 60 pushes the limiting block 40 to move in the sliding groove, so that the connecting shaft 20 moves from the moving groove 42 to the limiting groove 41, and at this time, because the connecting shaft 20 is located in the limiting groove 41, the connecting shaft 20 is fixed and cannot rotate, so that the locking mechanism 100 is in a locking state.

Further, in one embodiment, the locking mechanism 100 further includes a key 50, one end of the key 50 is connected to the limiting block 40, and the other end of the key 50 is protruded out of the lock base 30.

Specifically, in this embodiment, in order to facilitate contacting and driving the stopper 40, the key 50 is disposed on a side of the stopper 40 away from the first elastic element 60, a length of an outer end of the key 50 is greater than a length of a body of the key 50, the key 50 is mounted on the lock seat 30, and one end of the key 50 is protruded out of the lock seat 30. With such an arrangement, a user pushes the key 50 to slide the limiting block 40 in the sliding groove 31 toward the first elastic element 60, at this time, the connecting shaft 20 is located in the movable groove 42, the lock base 30 is in the unlocked state, and the connecting shaft 20 is rotatable in the movable groove 42. In addition, because the length of the outer end of the key 50 is greater than the length of the key 50 body, the key 50 is convenient for a user to press and unlock; and because the width of the notch of sliding tray 31 and the width adaptation of button 50, the user presses the button 50 back, and the outer end butt of button 50 the both sides of sliding tray 31 notch restricts stopper 40 motion then, thereby avoids the user to excessively press button 50 and damage connecting axle 20 and stopper 40.

Further, in an embodiment, the locking mechanism 100 further includes a cap bolt 80, and the cap bolt 80 is located on the top surface of the limiting block 40 and connected to the end of the connecting shaft 20, so as to prevent the limiting block 40 from being separated from the lock seat 30.

The present technical solution further provides a caster assembly, which includes a base 10 and the locking mechanism 100, wherein one end of the connecting shaft 20 is rotatably connected to the lock base 30, and the other end of the connecting shaft 20 is used to connect to the base 10 of the caster. The caster assembly comprises a roller 11, and the roller 11 is rotatably connected to the seat body 10.

Further, in one embodiment, the caster assembly further comprises an abutment member 12 and a rotation shaft 13. The rotating shaft 13 is inserted through the roller 11, and both ends thereof are rotatably mounted on the base 10. The abutting piece 12 is arranged on the base 10, a cushion pad 14 is arranged on the top of the abutting piece, and the cushion pad 14 is made of a silica gel material. When the caster assembly is mounted on the bottom of the case, the cushion 14 of the contact member 12 contacts the case, thereby reducing friction between the two during transportation.

Further, in an embodiment, the base 10 is provided with a connecting groove, and one end of the connecting shaft 20 is connected to the connecting groove. The caster assembly further includes a second elastic member 70, the second elastic member 70 is sleeved on the connecting shaft 20, one end of the second elastic member 70 is connected to the lock seat 30, and the other end of the second elastic member 70 is connected to the seat body 10. The second elastic element 70 is used to deflect the first sidewall section 21 to form an included angle with the sidewall surface of the limiting groove 41.

Specifically, in the present embodiment, the second elastic member 70 is provided on the connecting shaft 20, and when the lock mechanism is in the locked state, the second elastic member 70 is compressed; when the user pushes the key 50 and the limiting block 40, the locking mechanism is unlocked, the connecting shaft 20 rotates under the elastic force of the second elastic member 70, and the first side wall section 21 deflects to be in a non-parallel state with the side wall surface of the limiting groove 41, so that the seat body 10 connected with the connecting shaft 20 rotates and then is exposed to the device.

It is understood that the first elastic member 60 is a compression spring, and the second elastic member 70 is a torsion spring.

Further, in an embodiment, the seat 10 is at least partially disposed to extend in a direction deviating from the axis of the connecting shaft 20. With such an arrangement, the base 10 is inclined to the connecting shaft 20, and after the base 10 rotates, the base 10 can be exposed or hidden at one side of the device.

This technical scheme still provides a transportation structure, and the transportation structure can be electronic product equipment, suitcase, push-and-pull board car etc.. The transportation structure comprises the caster wheel assembly, the concrete structure of the caster wheel assembly refers to the above embodiments, and the transportation structure adopts all the technical solutions of all the embodiments of the caster wheel assembly, so that the transportation structure at least has all the beneficial effects brought by the technical solutions of the above embodiments.

The above is only the optional embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all of which are in the concept of the present invention, the equivalent structure transformation of the content of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (10)

1. A locking mechanism, comprising:

a lock seat;

one end of the connecting shaft is rotatably connected with the lock seat;

the connecting shaft is provided with a limiting structure, a limiting groove matched with the limiting structure is formed in the lock base, the limiting structure is abutted to the limiting groove, so that the connecting shaft is circumferentially fixed relative to the lock base, and the limiting groove can move to be far away from the limiting structure, so that the abutting of the limiting structure and the limiting groove is removed.

2. The locking mechanism of claim 1, wherein the lock holder comprises a limiting block, the limiting block is slidably connected in the lock holder, and the limiting block is provided with a limiting groove;

the limiting block is provided with a movable groove, the movable groove is communicated with the limiting groove, the movable groove is used for circumferential rotation of the connecting shaft, and the limiting block is arranged in a sliding mode relative to the lock base, so that the limiting structure can move between the limiting groove and the movable groove relatively.

3. The locking mechanism of claim 2, wherein the limiting structure includes a first sidewall section and a second sidewall section on the connecting shaft, the first sidewall section being spaced from the axis of the connecting shaft by a distance less than the second sidewall section.

4. The lock mechanism as claimed in claim 2, wherein the width of the movable slot is not smaller than the outside diameter of the envelope circle of the connecting shaft, and the width of the limiting slot is smaller than the outside diameter of the envelope circle of the connecting shaft.

5. The locking mechanism of claim 2, further comprising a first elastic member, wherein a sliding groove is formed in the lock base, the limiting block is slidably connected in the sliding groove, one end of the first elastic member is connected to an inner side wall of the sliding groove, the other end of the first elastic member is connected to the limiting block, and the first elastic member is used for pushing the limiting block to enable the limiting structure to move from the movable groove to the limiting groove.

6. The locking mechanism of claim 5, further comprising a key, wherein one end of the key is connected to the limiting block, and the other end of the key is protruded out of the lock base.

7. A caster assembly, comprising a base and a locking mechanism according to any one of claims 1 to 6, wherein one end of the connecting shaft is rotatably connected to the lock base, and the other end of the connecting shaft is used for connecting the base of a caster.

8. The caster assembly defined in claim 7, including a roller rotatably connected to said housing.

9. The caster assembly of claim 7, wherein said base is provided with a connecting groove, one end of said connecting shaft being connected into said connecting groove;

wherein the retaining structure comprises a first sidewall section and a second sidewall section on the connecting shaft;

the caster assembly further comprises a second elastic piece, the second elastic piece is sleeved on the connecting shaft, one end of the second elastic piece is connected with the lock seat, the other end of the second elastic piece is connected with the seat body, and the second elastic piece is used for enabling the first side wall section to deflect to form an included angle with the side wall surface of the limiting groove; and/or the presence of a gas in the atmosphere,

the base body is at least partially arranged to be deviated from the axis of the connecting shaft in the extending direction.

10. A transport structure comprising a castor assembly according to any one of claims 7 to 9.

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