CN221162508U - Roof luggage rack and locking device thereof - Google Patents

Abstract

The utility model discloses a roof luggage rack and a locking device thereof, wherein the locking device comprises a base unit and a locking unit, the locking unit comprises a fixing component and a locking arm arranged on the fixing component, the locking arm is provided with a locking hole, the locking unit comprises a shell, a locking body and a locking pin, the locking body is arranged on the shell, the locking body is provided with a locking pin hole and a plug-in groove communicated with the locking pin hole, the locking arm is detachably plugged in the plug-in groove of the locking body, the locking end of the locking pin is movably installed in the locking pin hole of the locking body, when the locking end of the locking pin is plugged in the locking hole of the locking arm, the locking device is switched to a locking state from an unlocking state, and when the locking end of the locking pin is separated from the locking hole of the locking arm, the locking device is switched to the unlocking state.

Description

Roof luggage rack and locking device thereof

Technical Field

The utility model relates to the field of vehicle accessories, in particular to a roof luggage rack and a locking device thereof.

Background

Roof racks are fittings mounted on the roof of a vehicle, which are flat-panel mounted on the roof of the vehicle for securing cargo to the roof of the vehicle. After the roof rack is installed on the roof of the vehicle, a gap is reserved between the roof rack and the roof of the vehicle so as to prevent the roof rack from directly contacting the roof of the vehicle, and further prevent the roof rack from scratching the roof of the vehicle due to movement of the roof of the vehicle caused by bumping of the vehicle. In the driving process, especially in the muddy road driving process, wheels can throw earth into the clearance between roof luggage rack and vehicle top and pile up here, fallen leaves, the clearance at roof luggage rack and vehicle top also can be piled up to parasite on the tree, because roof luggage rack and vehicle top's clearance is less and roof luggage rack and vehicle top adopt fixed mounting mode, the earth that leads to pile up here, fallen leaves and parasite on the tree excreta are difficult to clear away, not only influence the vehicle pleasing to the eye, and the earth of piling up, fallen leaves and parasite on the tree excreta corrode the lacquer at vehicle top easily, cause the lacquer at vehicle top yellowing even drop, influence vehicle safety.

Disclosure of utility model

An object of the present utility model is to provide a roof rack and a locking device thereof, in which a base unit of the locking device is fixedly installed to a roof, a lock unit of the locking device is fixedly installed to a rack, the lock unit and the base unit are detachably installed, and the roof is exposed after separating the lock unit and the base unit, so that the roof can be conveniently cleaned

It is an object of the present utility model to provide a roof rack and a locking device thereof, in which the lock unit and the base unit can be separated by bare hands, i.e., the lock unit and the base unit can be separated without any tool, which is essential for exposing the roof by separating the lock unit and the base unit to facilitate cleaning of the roof.

It is an object of the present utility model to provide a roof rack and a locking device thereof, which can lock the lock unit and the base unit again by hand after cleaning the roof to reliably fix the rack to the roof, which is important for easy cleaning of the roof and for running safety by separating the lock unit and the base unit to expose the roof.

An object of the present utility model is to provide a roof rack and a locking device thereof, in which opposite sides of the roof rack are respectively fixed to the roof by at least one locking device, and the roof rack can be rotated about a locking pin of the locking unit of the locking device at the other side after the locking unit and the base unit of the locking device at one side of the roof rack are separated, thereby preventing the roof rack from being moved relative to the roof during the cleaning of the roof from being scratched or even falling from the roof.

According to one aspect of the present utility model, there is provided a locking device for fixing a roof rack to a vehicle roof, comprising:

A base unit including a fixing assembly and a locking arm provided to the fixing assembly, the locking arm having a locking hole, wherein the fixing assembly can be fixedly mounted to the roof; and

A lock unit including a housing, a lock body provided to the housing, the lock body having a lock pin hole and a insertion groove communicating with the lock pin hole, the lock arm being detachably inserted into the insertion groove of the lock body, and a lock pin having an operation end and a lock end corresponding to the operation end, the lock end of the lock pin being movably mounted to the lock pin hole of the lock body, the housing being fixedly mountable to the roof rack;

wherein the locking device has a locked state and an unlocked state, and the locking device is switchable between the locked state and the unlocked state, wherein the locking device is switched from the unlocked state to the locked state upon insertion of the locking end of the locking pin into the locking aperture of the locking arm, and correspondingly, the locking device is switched from the locked state to the unlocked state upon disengagement of the locking end of the locking pin from the locking aperture of the locking arm.

According to one embodiment of the utility model, the lock pin has a guide groove extending in a longitudinal direction of the lock pin and a positioning groove extending in a circumferential direction of the lock pin, the positioning groove communicating with the guide groove at an end of the guide groove adjacent to the operating end of the lock pin, wherein the lock unit includes a positioning post that is provided to the lock body and that protrudes toward the lock pin hole of the lock body, wherein an end of the positioning post that protrudes toward the lock pin hole extends to the guide groove of the lock pin, and is allowed to slide into the positioning groove from the guide groove of the lock pin.

According to one embodiment of the utility model, the lock pin has a holding groove, wherein the lock unit comprises a ball plunger, a cylinder portion of which is provided to the lock body, the ball portion of which protrudes toward the lock pin hole of the lock body, wherein when the locking device is switched from the locked state to the unlocked state, the ball portion of the ball plunger slides into the holding groove of the lock pin, so that the locking device is held in the unlocked state.

According to one embodiment of the utility model, the lock unit comprises a return spring which is fitted around the lock pin and which is configured such that the position of one end of the return spring relative to the lock body remains unchanged and the position of the other end of the return spring relative to the lock pin remains unchanged.

According to one embodiment of the utility model, the lock body is provided with a receiving hole, the receiving hole is communicated with the inserting groove, the position of the receiving hole corresponds to the position of the lock pin hole, and the locking end of the lock pin extends to the receiving hole of the lock body after passing through the locking hole of the lock arm.

According to one embodiment of the utility model, the base unit comprises a protective pad comprising a pad body having a pad body through hole, the pad body being disposed on a side of the locking arm facing the locking pin hole of the locking arm, and the pad body through hole of the pad body being in communication with the locking hole of the locking arm.

According to one embodiment of the utility model, the pad body has a guide groove which communicates with the pad body through hole, and the guide groove is in a V shape.

According to one embodiment of the utility model, the protective pad comprises a spacer ring extending from the protective pad body to the locking aperture of the locking arm.

According to one embodiment of the utility model, the securing assembly comprises a first clamping portion and a second clamping portion arranged to provide a clamping force for being fixedly mounted to the vehicle roof, wherein the locking arm extends integrally upwards from the first clamping portion.

In accordance with another aspect of the present utility model, there is further provided a roof rack comprising:

A luggage rack; and

At least two locking devices, wherein each locking device respectively comprises:

A base unit including a fixing assembly and a locking arm provided to the fixing assembly, the locking arm having a locking hole, wherein the fixing assembly can be fixedly mounted to the roof; and

A lock unit including a housing, a lock body provided to the housing, the lock body having a lock pin hole and a insertion groove communicating with the lock pin hole, the lock arm being detachably inserted into the insertion groove of the lock body, and a lock pin having an operation end and a lock end corresponding to the operation end, the lock end of the lock pin being movably mounted to the lock pin hole of the lock body, the housing being fixedly mountable to the roof rack;

Wherein the locking device has a locked state and an unlocked state, and the locking device is switchable between the locked state and the unlocked state, wherein the locking device is switched from the unlocked state to the locked state upon insertion of the locking end of the locking pin into the locking hole of the locking arm, and correspondingly, the locking device is switched from the locked state to the unlocked state upon removal of the locking end of the locking pin from the locking hole of the locking arm, wherein the luggage rack is provided with at least one of the locking devices on opposite sides, respectively.

According to one embodiment of the utility model, the roof rack further comprises a longitudinal beam, the opposite ends of which are provided with one of the locking means, respectively, wherein the longitudinal beam is fixedly mounted to the rack and the opposite ends of which extend to the opposite sides of the rack, respectively, such that the opposite sides of the rack are provided with at least one of the locking means, respectively.

According to one embodiment of the utility model, the roof rack further comprises a tab mounted to the housing, wherein a portion of the end of the rail is clamped between the tab and the housing to provide the locking means to the end of the rail.

According to one embodiment of the utility model, the stringer comprises a main body portion, a longitudinal arm integrally extending laterally of the main body portion, and a transverse arm integrally extending at the bottom of the longitudinal arm, the tab and the skin sandwiching the transverse arm of the stringer.

Drawings

FIG. 1 is a perspective view of a roof rack according to a preferred embodiment of the present utility model.

Fig. 2 is an enlarged schematic view of a part of the position of fig. 1.

Fig. 3 is a perspective view illustrating another state of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 4 is an enlarged schematic view of a portion of fig. 3.

Fig. 5 is a perspective view showing an installation state of a side member and a locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 6 is an exploded view showing the installation states of the side member and the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 7 is a schematic sectional view showing an installation state of the side member and the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 8 is a perspective view of the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 9 is a perspective view of another view of the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 10 is a schematic diagram of a side view of the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 11 is an exploded view of the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 12 is an exploded view showing another view of the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 13 is a schematic cross-sectional view of a position of the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 14 is a schematic cross-sectional view of another position of the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 15 is a schematic sectional view showing another state of the above-mentioned position of the locking device of the roof rack according to the above-mentioned preferred embodiment of the present utility model.

Fig. 16 is a schematic cross-sectional view of still another position of the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 17 is a schematic cross-sectional view of still another position of the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 18 is a perspective view showing a connection relationship between a return spring and a lock pin of the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 19 is a perspective view of a lock body of the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 20 is a perspective view showing a first state of a partial position of the locking device of the roof rack according to the above preferred embodiment of the present utility model.

Fig. 21 is a perspective view showing a second state of the above-mentioned partial position of the locking device of the roof rack according to the above-mentioned preferred embodiment of the present utility model.

Fig. 22 is a perspective view showing a third state of the above-mentioned partial position of the locking device of the roof rack according to the above-mentioned preferred embodiment of the present utility model.

Detailed Description

Before any embodiments of the utility model are explained in detail, it is to be understood that the utility model is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The utility model is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," or "having" and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Unless specified or limited otherwise, the terms "mounted," "connected," "supported," and "coupled" and variations thereof are used broadly and encompass both direct and indirect mountings, connections, supports, and couplings. Furthermore, "connected" and "coupled" are not restricted to physical or mechanical connections or couplings.

Also, in the present disclosure, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms should not be construed as limiting the present disclosure; in a second aspect, the terms "a" and "an" should be understood as "at least one" or "one or more", i.e. in one embodiment the number of one element may be one, while in another embodiment the number of the element may be plural, the term "a" should not be construed as limiting the number.

Fig. 1 to 7 of the drawings, which are included in the description of the present utility model, illustrate a roof rack according to a preferred embodiment of the present utility model, the roof rack 100 includes at least two locking devices 10 and a luggage rack 20, opposite sides of the luggage rack 20 are respectively provided with at least one of the locking devices 10, the locking devices 10 are used to mount the luggage rack 20 to a roof 200, and the locking devices 10 allow a gap between the luggage rack 20 and the roof 200 to prevent the luggage rack 20 from directly contacting the roof 200, thereby protecting the roof 200.

Referring to fig. 8 to 22, the locking device 10 includes a base unit 11 and a lock unit 12, the base unit 11 is fixedly installed to the roof 200, the lock unit 12 is fixedly installed to the roof rack 20, wherein the locking device 10 has a locked state and an unlocked state, and the locking device 10 is switchable between the locked state and the unlocked state, when the locking device 10 is in the locked state, the base unit 11 locks the lock unit 12, the roof rack 20 is securely held above the roof 200, and when the locking device 10 is in the unlocked state, the base unit 11 releases the lock unit 12 so that the lock unit 12 can be separated from the base unit 11, thereby increasing a gap between the roof rack 20 and the roof 200, and facilitating cleaning of the roof 200.

Specifically, the base unit 11 includes a fixing member 111 and a locking arm 112 provided to the fixing member 111, the fixing member 111 being capable of being fixedly mounted to the roof 200, the locking arm 112 having a locking hole 1121. The lock unit 12 includes a housing 121, a lock body 122, and a lock pin 123, the housing 121 can be fixedly mounted to the roof rack 20, the lock body 122 is disposed on the housing 121, and the lock body 122 has a lock pin hole 1221 and a insertion slot 1222 communicating with the lock pin hole 1221, the lock pin 123 has an operation end 1232 and a lock end 1231 corresponding to the operation end 1232, the lock end 1231 of the lock pin 123 is movably inserted into the lock pin hole 1221 of the lock body 122, wherein the lock device 10 is in the locked state when the lock end 1231 of the lock pin 123 is inserted into the lock hole 1121 of the lock arm 112, the roof rack 11 is securely held above the roof rack 200, wherein the lock device 11 is released from the roof rack 12 when the lock end 1231 of the lock pin 123 is moved away from the lock hole 1121, and the roof rack 11 is further released from the roof rack 12, thereby facilitating the release of the lock device 11 from the roof rack 12. In other words, the locking device 10 is switchable between the locked state and the unlocked state by changing the position of the locking end 1231 of the lock pin 123.

It should be noted that the manner in which the fixing member 111 of the base unit 11 is fixedly mounted to the roof 200 is not limited in the roof rack 100 of the present utility model. For example, in the specific example of the roof rack 100 of the present utility model shown in fig. 1 to 22, the fixing assembly 111 is fixedly installed to the roof 200 in such a manner as to sandwich an edge 201 of the roof 200, wherein the edge 201 of the roof 200 may be a water guide groove of the roof 200.

Specifically, the fixing component 111 includes a first clamping portion 1111 and a second clamping portion 1112, and the first clamping portion 1111 and the second clamping portion 1112 are configured to provide a clamping force for clamping the edge 201 of the roof 200, such that the fixing component 111 is fixed to the roof 200 in a manner of clamping the edge 201 of the roof 200.

More specifically, the first clamping portion 1111 and the second clamping portion 1112 are sheet metal members, the first clamping portion 1111 includes a first connecting plate 11111 and a first clamping plate 11112 integrally extending downward from the first connecting plate 11111, the second clamping portion 1112 includes a second connecting plate 11121, a second clamping plate 11122 integrally extending downward from the second connecting plate 11121, and a third clamping plate 11123 integrally extending outward from the second clamping plate 11122, wherein the second connecting plate 11121 is located below the first connecting plate 11111, the second clamping plate 11122 is located outside the first clamping plate 11112, and the third clamping plate 11123 is located below the first clamping plate 11112. The first connecting plate 11111 has at least one first plate hole 111110, the second connecting plate 11121 has at least one second plate hole 111210, the position of the first plate hole 111110 of the first connecting plate 11111 corresponds to the position of the second plate hole 111210 of the second connecting plate 11121, the fixing assembly 111 further includes at least one first screw-mounting member 1113, the first screw-mounting member 1113 may be a screw, wherein a screw-mounting end of the first screw-mounting member 1113 is screw-mounted to an inner wall of the first connecting plate 11111 for forming the first plate hole 111110 after sequentially passing through the second plate hole 111210 of the second connecting plate 11121 and the first plate hole 111110 of the first connecting plate 11111, such that a clamping force is provided between the first clamping plate 11112 and the third clamping plate 11123 for clamping the rim 201 of the roof 200 between the first clamping plate 11112 and the third clamping plate 11123 to fixedly mount the roof 200 to the fixing assembly 111.

In this particular example of the roof rack 100 of the present utility model shown in fig. 1 to 22, the locking arm 112 integrally extends upward from the first clamping portion 1111 of the fixing assembly 111 to provide the locking arm 112 to the fixing assembly 111. In other words, the locking arm 112 and the first clamping portion 1111 are the same sheet metal part, and the locking arm 112, the first connecting plate 11111 and the first clamping plate 11112 may be formed by bending a metal plate at a predetermined position.

Referring to fig. 8 to 15, the fixing assembly 111 further includes a first isolation pad 1114 and a second isolation pad 1115, wherein the first isolation pad 1114 is disposed at the bottom of the first clamping plate 11112 of the first clamping portion 1111, for example, the first isolation pad 1114 may be sleeved at the bottom of the first clamping plate 11112, the second isolation pad 1115 is disposed at the inner side of the second clamping plate 11122 of the second clamping portion 1112 and the upper side of the third clamping plate 11123, for example, the second isolation pad 1115 may be adhered to the inner side of the second clamping plate 11122 and the upper side of the third clamping plate 11123, such that the first isolation pad 1114 isolates the bottom of the first clamping plate 11112 of the first clamping portion 1111 from the edge 201 of the roof 200 and the second isolation pad 1115 from the inner side of the edge 201 of the roof 200 after the fixing assembly 111 is fixedly mounted to the edge 201 of the roof 200, and the second isolation pad 1111111115 is adhered to the inner side of the edge 201 of the roof 200.

It should be noted that the specific materials of the first spacer 1114 and the second spacer 1115 are not limited in the roof rack 100 of the present utility model. For example, in one specific example of the roof rack 100 of the present utility model, the first and second spacers 1114 and 1115 may be a silicone material or a rubber material having slight elasticity.

With continued reference to fig. 8-17, the base unit 11 further includes a bottom case 113, the bottom case 113 has a bottom case cavity 1131, the first clamping portion 1111 of the fixing component 111 is mounted to the bottom case 113, and the fixing component 111 is received in the bottom case cavity 1131 of the bottom case 113 to cover the fixing component 111 by the bottom case 113, such that the bottom case 113 makes the fixing component 111 invisible. The locking arm 112 is held above the bottom case 113, for example, the bottom case 113 has a bottom case groove 1132, the bottom case groove 1132 communicates with the bottom case cavity 1131 at the top of the bottom case 113, wherein the locking arm 112 extends above the bottom case 113 through the bottom case groove 1132 of the bottom case 113.

It should be noted that the specific manner in which the first clamping portion 1111 is mounted to the bottom case 113 is not limited in the roof rack 100 of the present utility model. For example, in one specific example of the roof rack 100 of the present utility model, referring to fig. 11 and 12, the first clamping portion 1111 includes at least one assembly arm 11113, the assembly arm 11113 has an assembly hole 111130, and the fixing assembly 111 further includes at least one second screw member 1116, which may be a screw, wherein a screw end of the second screw member 1116 is screw-mounted to the bottom case 113 after passing through the assembly hole 111130 of the assembly arm 11113 to mount the first clamping portion 1111 to the bottom case 113.

In this specific example of the roof rack 100 of the present utility model shown in fig. 1 to 22, the first clamping portion 1111 includes two fitting arms 11113, and opposite sides of the locking arm 112 are respectively provided with one fitting arm 11113, and accordingly, the fixing assembly 111 includes two second screw members 1116, and a screw end of each of the second screw members 1116 is screw-fitted to the bottom case 113 after passing through the fitting hole 111130 of each of the fitting arms 11113, respectively, to reliably mount the first clamping portion 1111 to the bottom case 113. It will be appreciated that since the second screw element 1116 mounts the second clamp 1112 to the first clamp 1111, the securing assembly 111 can be received in the bottom housing cavity 1131 of the bottom housing 113 such that the securing assembly 111 is not visually visible.

Further, with continued reference to fig. 9, 11 and 12, the locking arm 112 has a locking arm hole 1122, and the fixing assembly 111 further includes a third screw member 1117, and the third screw member 1117 may be a screw, wherein a screw end of the third screw member 1117 is screw-mounted to the bottom case 113 after passing through the locking arm hole 1122 of the locking arm 112, so as to mount the locking arm 112 to the bottom case 113. It will be appreciated that since the first clamping portion 1111 and the locking arm 112 are the same sheet metal part, the second screw member 1116 and the third screw member 1117 can be engaged with each other to reliably mount the fixing member 111 and the bottom chassis 113.

Referring to fig. 20 to 22, the locking pin 123 has a guide groove 1233 and a positioning groove 1234, the guide groove 1233 extends along the length direction of the locking pin 123, the positioning groove 1234 extends along the circumferential direction of the locking pin 123, and the positioning groove 1234 communicates with the guide groove 1233 at an end of the guide groove 1233 adjacent to the operation end 1232 of the locking pin 123. The lock unit 12 further includes a positioning post 124, the positioning post 124 is disposed on the lock body 122, and the positioning post 124 protrudes toward the locking pin hole 1221 of the lock body 122. The end of the positioning post 124 protruding toward the locking pin hole 1221 of the locking body 122 extends to the guide groove 1233 of the locking pin 123 and is allowed to slide into the positioning groove 1234 from the guide groove 1233 of the locking pin 123.

When the locking device 10 is in the locked state, the end of the positioning post 124 protruding toward the locking pin hole 1221 of the lock body 122 is held in the positioning groove 1234 of the locking pin 123, and at this time, the positioning post 124 and the locking pin 123 cooperate with each other for preventing the locking pin 123 from moving in the locking pin hole 1221 of the lock body 122, so that the locking end 1231 of the locking pin 123 is reliably held in a state inserted into the locking hole 1121 of the locking arm 112. After driving the lock pin 123 to rotate in the lock pin hole 1221 of the lock body 122, the end portion of the positioning post 124 protruding toward the lock pin hole 1221 of the lock body 122 slides into the guide groove 1233 from the positioning groove 1234 of the lock pin 123 to allow the lock pin 123 to move in the lock pin hole 1221 of the lock body 122, and the locking end 1231 of the lock pin 123 after movement can be disengaged from the locking hole 1121 of the lock arm 112 to switch the locking device 10 from the locked state to the unlocked state.

In addition, the locking device 10 of the present utility model can securely hold the end of the positioning post 124 protruding toward the locking pin hole 1221 of the locking pin 123 in the positioning groove 1234 of the locking pin 123 by extending the end of the positioning post 124 protruding toward the locking pin hole 1221 of the locking pin 122 to the guide groove 1233 and the positioning groove 1234 of the locking pin 123, on the one hand, when the locking pin 123 is not rotated, so that the locking device 10 can securely be held in the locked state, and on the other hand, the end of the positioning post 124 protruding toward the locking pin hole 1221 of the locking pin 122 can be prevented from being disengaged from the locking pin 122 during the rotation of the locking pin 123 and the pulling of the locking pin 123 in the movement of the locking pin hole 1221 of the locking pin 122.

In a specific example of the roof rack 100 of the present utility model, referring to fig. 11, 12, 13 and 17, the lock body 122 has a cylinder fitting hole 1223, the extending direction of the cylinder fitting hole 1223 and the extending direction of the lock pin hole 1221 are perpendicular to each other, and the cylinder fitting hole 1223 communicates with the lock pin hole 1221 and the outside, and after the lock pin 123 is inserted into the lock pin hole 1221 of the lock body 122 and the position of the guide groove 1233 or the positioning groove 1234 of the lock pin 123 corresponds to the position of the cylinder fitting hole 1223 of the lock body 122, the positioning column 124 is fitted to the cylinder fitting hole 1223 of the lock body 122, and the end portion of the positioning column 124 protruding toward the lock pin hole 1221 of the lock body 122 is allowed to extend to the guide groove 1233 or the positioning groove 1234 of the lock pin 123. Preferably, the inner wall of the cylinder assembly hole 1223 of the lock body 122 has an internal thread structure, and the outer wall of the positioning post 124 has an external thread structure, which are matched with each other to screw the positioning post 124 into the cylinder assembly hole 1223 of the lock body 122, so that the positioning post 124 is prevented from falling from the cylinder assembly hole 1223 of the lock body 122, and reliability and stability of the locking device 10 are ensured.

In one example of the roof rack 100 of the present utility model, referring to fig. 11, 12, and 16 to 22, the lock unit 12 further includes a return spring 125, the return spring 125 is fitted around the lock pin 123, and the return spring 125 is configured such that a position of one end of the return spring 125 with respect to the lock body 122 is maintained and a position of the other end of the return spring 125 with respect to the lock pin 123 is maintained. When the lock pin 123 is driven to rotate in the lock pin hole 1221 of the lock body 122 so that the end portion of the positioning post 124 protruding toward the lock pin hole 1221 of the lock body 122 slides into the guide groove 1233 from the positioning groove 1234 of the lock pin 123, the return spring 125 deforms in the circumferential direction to accumulate elastic potential energy, which causes the return spring 125 to have a tendency to reversely rotate the lock pin 123 in the lock pin hole 1221 of the lock body 122 so that the end portion of the positioning post 124 protruding toward the lock pin hole 1221 of the lock body 122 slides into the positioning groove 1234 from the guide groove 1233 of the lock pin 123. When the lock pin 123 is driven to move in the lock pin hole 1221 of the lock body 122 so that the locking end 1231 of the lock pin 123 is disengaged from the locking hole 1121 of the lock arm 112, the return spring 125 is deformed in the length direction to accumulate elastic potential energy, which causes the return spring 125 to have a tendency to move the lock pin 123 in the lock pin hole 1221 of the lock body 122 in the opposite direction so that the locking end 1231 of the lock pin 123 is inserted into the locking hole 1121 of the lock arm 112.

In one specific example of the roof rack 100 of the present utility model, referring to fig. 18 and 19, the locking pin 123 has a insertion hole 1235, one end of the return spring 125 is inserted into the insertion hole 1235 of the locking pin 123 such that the position of the end of the return spring 125 with respect to the locking pin 123 is maintained, and the lock body 122 has an insertion groove 1224, and the other end of the return spring 125 is inserted into the insertion groove 1224 of the lock body 122 such that the position of the end of the return spring 125 with respect to the lock body 122 is maintained.

In one example of the roof rack 100 of the present utility model, referring to fig. 11, 12, 16 and 17, the lock unit 12 includes an annular plug 126, the plug 126 is movably fitted around the operation end 1232 of the lock pin 123, and the plug 126 is mounted to the lock pin hole 1221 of the lock body 122 so that the end of the return spring 125 is prevented from falling out of the insertion groove 1224 of the lock body 122 by the plug 126. When the lock pin 123 is pulled to allow the locking end 1231 of the lock pin 123 to move away from the locking hole 1121 of the lock arm 112, the lock pin 123 compresses the return spring 125 toward the plug 126, so that the return spring 125 accumulates elastic potential energy.

It should be noted that the specific manner in which the plug 126 is mounted to the latch bore 1221 of the lock body 122 is not limited in the roof rack 100 of the present utility model. For example, in this particular example of the roof rack 100 of the present utility model, the inner wall of the lock body 122 for forming the locking pin hole 1221 has an internal screw structure, and the plug 126 has an external screw structure, which are engaged with each other to screw the plug 126 to the locking pin hole 1221 of the lock body 122.

In one example of the roof rack 100 of the present utility model, referring to fig. 11 to 13, 17, and 20 to 22, the lock unit 12 includes a ball plunger 127, the ball plunger 127 includes a cylinder portion 1271, a compression spring 1272, and a ball portion 1273, the cylinder portion 1271 has a cylinder chamber 12711 and a chamber opening 12712 communicating with the cylinder chamber 12711, the compression spring 1272 is compressively provided to the cylinder chamber 12711 of the cylinder portion 1271, the ball portion 1273 is movably provided to the chamber opening 12712 of the cylinder portion 1271, and the bottom of the ball portion 1273 abuts against the compression spring 1272, and the top of the ball portion 1273 protrudes from the cylinder portion 1271. The cylindrical portion 1271 of the ball plunger 127 is disposed to the lock body 122 and the ball portion 1273 protrudes toward the lock pin hole 1221 of the lock body 122. The lock pin 123 has a holding groove 1236, wherein the ball portion 1273 of the ball plunger 127 abuts against the peripheral wall of the lock pin 123 when the lock device 10 is in the locked state, and the ball portion 1273 of the ball plunger 127 slides into the holding groove 1236 of the lock pin 123 when the lock device 10 is switched from the locked state to the unlocked state, friction generated between the ball portion 1273 of the ball plunger 127 and a portion of the peripheral wall of the lock pin 123 for forming the holding groove 1236 causes the ball plunger 127 to have an effect of positioning the lock pin 123 so that the lock device 10 can be maintained in the unlocked state.

In a specific example of the roof rack 100 of the present utility model, referring to fig. 17, the lock body 122 has a plunger assembly hole 1225, an extending direction of the plunger assembly hole 1225 and an extending direction of the latch hole 1221 are perpendicular to each other, and the plunger assembly hole 1225 communicates the latch hole 1221 with the outside, and the cylindrical portion 1271 of the ball plunger 127 is assembled to the plunger assembly hole 1225 of the lock body 122. Preferably, the inner wall of the plunger assembly hole 1225 of the lock body 122 has an internal thread structure, and the outer wall of the cylindrical portion 1271 of the ball plunger 127 has an external thread structure, which are engaged with each other to screw the cylindrical portion 1271 of the ball plunger 127 to the plunger assembly hole 1225 of the lock body 122, so that the ball plunger 127 is prevented from falling from the plunger assembly hole 1225 of the lock body 122, ensuring the reliability and stability of the locking device 10.

In an example of the roof rack 100 according to the present utility model, referring to fig. 12, 16 and 17, the locking body 122 has a receiving hole 1226, the receiving hole 1226 is connected to the insertion groove 1222, and the position of the receiving hole 1226 corresponds to the position of the locking pin hole 1221, wherein the locking end 1231 of the locking pin 123 extends to the receiving hole 1226 of the locking body 122 after passing through the locking hole 1121 of the locking pin 112, and in such a way that, on one hand, the locking end 1231 of the locking pin 123 can be prevented from hitting the locking body 122 after passing through the locking hole 1121 of the locking pin 112 when the locking device 10 is switched from the unlocked state to the locked state, i.e., the receiving hole 1226 of the locking pin 122 can be prevented from being retracted from the locking end 1231 of the locking pin 123, and on the other hand, the locking end 1231 of the locking pin 123 can be kept stably locked by the locking body 122 and the locking unit 122 after passing through the locking end 1231 of the locking pin 112 and the locking hole 1121 of the locking pin 123 can be prevented from being locked by the locking unit 122.

In an example of the roof rack 100 of the present utility model, referring to fig. 11, 12, 16, 17, and 20 to 22, the base unit 11 further includes a protection pad 114, the protection pad 114 includes a pad body 1141, the pad body 1141 has a pad body through hole 11411, the pad body 1141 is disposed at a side of the lock arm 112 facing the lock pin hole 1221 of the lock arm 122, and the pad body through hole 11411 of the pad body 1141 communicates with the lock hole 1121 of the lock arm 112. When the locking device 10 is in the unlocked state and the lock unit 12 moves relative to the base unit 11, the pad body 1141 can prevent the locking end 1231 of the locking pin 123 from rubbing against the locking arm 112, so that not only the locking arm 112 and the locking pin 123 can be protected, but also noise can be reduced, and quality of the locking device 10 can be improved.

It should be noted that the specific manner in which the cushion body 1141 is disposed laterally of the lock arm 112 is not limited in the roof rack 100 of the present utility model. For example, in one specific example of the roof rack 100 of the present utility model, glue may be used to place the cushion body 1141 laterally of the locking arm 112, and in another specific example of the roof rack 100 of the present utility model, rivets or screws may be used to place the cushion body 1141 laterally of the locking arm 112.

In one specific example of the roof rack 100 of the present utility model, with continued reference to fig. 11, 12, 16, 17, and 20-22, the guard pad 114 further includes a spacer ring 1142, the spacer ring 1142 extending from the guard pad body 1141 to the locking hole 1121 of the locking arm 112, such that the spacer ring 1142 separates the locking pin 123 and the locking body 122 when the locking end 1231 of the locking pin 123 is inserted into the locking hole 1121 of the locking arm 112 to place the locking device 10 in the locked state. During the running of the vehicle, the isolating ring 1142 of the protection pad 114 can prevent the lock pin 123 from colliding with the lock body 122, so as to not only ensure the reliability of the locking device 10, but also reduce noise and improve the quality of the locking device 10.

It should be noted that the specific material of the protective pad 114 is not limited in the roof rack 100 of the present utility model, as long as it has wear-resistant and collision-resistant properties. For example, in one specific example of the roof rack 100 of the present utility model, the protective pad 114 may be a one-piece structure made of a rubber material.

In one specific example of the roof rack 100 of the present utility model, with continued reference to fig. 11 and 20 to 22, the cushion body 1141 has a guide groove 11412, the guide groove 11412 communicates with the cushion body through hole 11411, and the guide groove 1142 has a "V" shape, wherein the cushion body 1141 is capable of guiding the locking end 1231 of the locking pin 123 to a position corresponding to the cushion body through hole 11411 of the cushion body 1141, so that the locking end 1231 of the locking pin 123 can be smoothly inserted into the locking hole 1121 of the locking arm 112.

In one example of the roof rack 100 of the present utility model, referring to fig. 8 to 17, the housing 121 of the lock unit 12 has a housing space 1211, and a bottom slot 1212 and a side through hole 1213 communicating with the housing space 1211, the lock body 122 is fixedly installed to the housing 121 and is received in the housing space 1211 of the housing 121, the position of the insertion slot 1222 of the lock body 122 corresponds to the position of the bottom slot 1212 of the housing 121, the lock arm 112 is allowed to be inserted into the insertion slot 1222 of the lock body 122 through the bottom slot 1212 of the housing 121, the position of the lock pin hole 1221 of the lock body 122 corresponds to the position of the side through hole 1213 of the housing 121, and the operation end 1232 of the lock pin 123 extends to the outside of the housing 121 through the side through hole 1213 of the housing 121, so that a user operates the operation end 1232 of the lock pin 123 outside the device 10.

In one specific example of the roof rack 100 of the present utility model, referring to fig. 11 and 12, the housing 121 includes an outer housing 1214 and an inner housing 1215, the outer housing 1214 and the inner housing 1215 being mounted to each other to form the housing space 1211, the bottom slot 1212, and the side perforation 1213 between the outer housing 1214 and the inner housing 1215.

It should be noted that the mounting manner of the outer housing 1214 and the inner housing 1215 is not limited in the roof rack 100 of the present utility model. For example, in one specific example of the roof rack 100 of the present utility model, the inner housing 1215 has at least two housing through holes 12151, the lock unit 12 further includes at least two fourth screw elements 128, the fourth screw elements 128 may be screws, wherein screw ends of at least one of the fourth screw elements 128 are screw-mounted to the lock body 122 after passing through the housing through holes 12151 of the inner housing 1215 to fixedly mount the lock body 122 to the outer housing 121 and such that the lock body 122 is securely received in the housing space 1211 of the outer housing 121, wherein screw ends of at least one of the fourth screw elements 128 are screw-mounted to the outer housing 1214 after passing through the housing through holes 12151 of the inner housing 1215 to securely mount the outer housing 1214 and the inner housing 1215.

Preferably, the outer housing 1214 has at least one insertion groove 12140, the inner housing 1215 has at least one insertion protrusion 12150, and the insertion protrusion 12150 of the inner housing 1215 is inserted into the insertion groove 12140 of the outer housing 1214 to increase reliability of the mounting relationship of the outer housing 1214 and the inner housing 1215.

In one example of the roof rack 100 of the present utility model, referring to fig. 8 to 12, 16 and 17, the lock unit 12 includes an operation knob 129, and the operation knob 129 is fixedly installed at the operation end 1232 of the lock pin 123, and a user can conveniently rotate and move the lock pin 123 through the operation knob 129.

Referring to fig. 5 to 7, the roof rack 100 further includes at least one side rail 30, opposite ends of the side rail 30 are respectively provided with one of the locking devices 10, the side rail 30 is fixedly installed to the luggage rack 20, and opposite ends of the side rail 30 are respectively extended to opposite sides of the luggage rack 20, such that opposite sides of the luggage rack 20 are respectively provided with at least one of the locking devices 10.

In a specific example of the roof rack 100 of the present utility model, the roof rack 100 includes two side rails 30, one of the side rails 30 is fixedly installed at the front end of the rack 20, and the other side rail 30 is fixedly installed at the rear end of the rack 20, so that two locking devices 10 are provided at opposite sides of the rack 20, respectively, to enable the roof rack 100 to be reliably installed at the roof 200.

Referring to fig. 7, the roof rack 100 further includes at least two tabs 40, the tabs 40 being mounted to the housing 121 of the lock unit 12 of the locking device 10, wherein a portion of the end of the side rail 30 is clamped between the tabs 40 and the housing 121 to position the locking device 10 at the end of the side rail 30.

It should be noted that the specific manner of mounting the compression piece 40 to the housing 121 is not limited in the roof rack 100 of the present utility model. For example, in this particular example of the roof rack 100 of the present utility model, referring to fig. 7, the housing 121 has at least one housing through hole 1216, the pressing piece 40 has at least one pressing piece through hole 41, and the roof rack 100 includes at least one fifth screw-mounted element 50, which may be a screw, wherein a screw-mounted end of the fifth screw-mounted element 50 is screw-mounted to an inner wall of the pressing piece 40 for forming the pressing piece through hole 41 after passing through the housing through hole 1216 of the housing 121 and the pressing piece through hole of the pressing piece 40, so that the pressing piece 40 and the housing 121 can reliably clamp a portion of an end of the side member 30, thereby reliably disposing the locking device 10 to the end of the side member 30.

With continued reference to fig. 7, the longitudinal beam 30 includes a main body 31, a longitudinal arm 32 integrally extending laterally of the main body 31, and a transverse arm 33 integrally extending at the bottom of the longitudinal arm 32, and the pressing piece 40 and the outer shell 121 clamp the transverse arm 33 of the longitudinal beam 30 to reliably position the locking device 10 at the end of the longitudinal beam 30 and conceal the pressing piece 40.

When it is not necessary to clean the roof 200 of the vehicle, the locking device 10 is in the locked state, and the locking device 10 is used to securely hold the luggage rack 20 above the roof 200 and to provide a gap between the luggage rack 20 and the roof 200 to avoid the luggage rack 20 directly contacting the roof 200, thereby protecting the roof 200.

When it is necessary to clean the roof 200 of the vehicle, first, the operation knob 129 drives the lock pin 123 to rotate in the lock pin hole 1221 of the lock body 122 so that the end portion of the positioning post 124 protruding toward the lock pin hole 1221 of the lock body 122 slides into the guide groove 1233 from the positioning groove 1234 of the lock pin 123, during which the return spring 125 deforms in the circumferential direction to accumulate elastic potential energy, and secondly, the operation knob 129 pulls the lock pin 123 to move in the lock pin hole 1221 of the lock body 122 so that the lock end 1231 of the lock pin 123 is disengaged from the lock hole 1121 of the lock arm 112, during which the return spring 125 deforms in the longitudinal direction to accumulate elastic potential energy, and at this time the lock device 10 is switched from the locked state to the unlocked state. And when the locking device 10 is switched from the locked state to the unlocked state, the ball portion 1273 of the ball plunger 127 slides into the retaining groove 1236 of the lock pin 123, and friction generated between the ball portion 1273 of the ball plunger 127 and a portion of the peripheral wall of the lock pin 123 for forming the retaining groove 1236 causes the ball plunger 127 to have an effect of positioning the lock pin 123 so that the locking device 10 can be maintained in the unlocked state. In the same way, the other locking device 10, which is located on the same side of the luggage rack 20, can also be switched from the locked state to the unlocked state.

After both of the locking devices 10 located at the same side of the luggage rack 20 are in the unlocked state, the luggage rack 20 is pushed upward, and the luggage rack 20 is rotated about the locking pins 123 of the locking units 12 of the two locking devices 10 at the other side to increase the gap between the luggage rack 20 and the roof 200, thereby facilitating cleaning of the roof 200.

After the cleaning of the roof 200 is completed, the luggage rack 20 is automatically dropped by its own weight so that the luggage rack 20 is automatically dropped to allow the lock arm 112 of the base unit 11 of the locking device 10 to be inserted into the insertion groove 1222 of the lock body 122 of the lock unit 12, when the lock pin 123 is pushed by the operation knob 129 and the pushing force is greater than the friction force between the ball portion 1273 of the ball plunger 127 and the portion of the peripheral wall of the lock pin 123 for forming the holding groove 1236, the return spring 125 causes the lock end 1231 of the lock pin 123 to be inserted into the lock hole 1121 of the lock arm 112 and the end of the lock post 124 protruding toward the lock pin hole 1221 of the lock body 122 to slide into the lock groove 1234 from the guide groove 1233 of the lock pin 123 during the return to the initial state, so that the locking device 10 is switched from the unlocked state to the locked state and maintained in the locked state.

That is, the lock unit 12 and the base unit 11 of the locking device 10 can be separated by hand without any tool, which is important for exposing the roof 200 by separating the lock unit 12 and the base unit 11 to facilitate cleaning of the roof 200. Meanwhile, after the roof 200 is cleaned, the lock unit 12 and the base unit 11 may be locked again by hand to reliably fix the roof rack 20 to the vehicle 20, which is important for the convenience of cleaning the roof 200 and the safety of driving by exposing the roof 200 by separating the lock unit 12 and the base unit 11.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (13)

1. A locking device for securing a roof rack to a vehicle roof, comprising:

A base unit including a fixing assembly and a locking arm provided to the fixing assembly, the locking arm having a locking hole, wherein the fixing assembly can be fixedly mounted to the roof; and

A lock unit including a housing, a lock body provided to the housing, the lock body having a lock pin hole and a insertion groove communicating with the lock pin hole, the lock arm being detachably inserted into the insertion groove of the lock body, and a lock pin having an operation end and a lock end corresponding to the operation end, the lock end of the lock pin being movably mounted to the lock pin hole of the lock body, the housing being fixedly mountable to the roof rack;

wherein the locking device has a locked state and an unlocked state, and the locking device is switchable between the locked state and the unlocked state, wherein the locking device is switched from the unlocked state to the locked state upon insertion of the locking end of the locking pin into the locking aperture of the locking arm, and correspondingly, the locking device is switched from the locked state to the unlocked state upon disengagement of the locking end of the locking pin from the locking aperture of the locking arm.

2. A locking device according to claim 1, wherein the lock pin has a guide groove extending in a longitudinal direction of the lock pin and a positioning groove extending in a circumferential direction of the lock pin, the positioning groove communicating with the guide groove at an end of the guide groove adjacent to the operating end of the lock pin, wherein the lock unit includes a positioning post provided to the lock body and protruding toward the lock pin hole of the lock body, wherein an end of the positioning post protruding toward the lock pin hole extends to the guide groove of the lock pin, and is allowed to slide into the positioning groove from the guide groove of the lock pin.

3. A locking device as claimed in claim 2, wherein the locking pin has a retaining groove, wherein the lock unit comprises a ball plunger, a cylindrical portion of the ball plunger being provided to the lock body, a ball portion of the ball plunger protruding towards the locking pin hole of the lock body, wherein when the locking device is switched from the locked state to the unlocked state, the ball portion of the ball plunger slides into the retaining groove of the locking pin, so that the locking device is held in the unlocked state.

4. A locking arrangement as claimed in claim 3, wherein the lock unit includes a return spring which is nested within the locking pin and which is configured such that the position of one end of the return spring relative to the lock body remains unchanged and the position of the other end of the return spring relative to the locking pin remains unchanged.

5. A locking device as recited in claim 1, wherein the lock body has a receiving bore that communicates with the insertion slot, the receiving bore corresponding in position to the locking pin bore, wherein the locking end of the locking pin extends to the receiving bore of the lock body after passing through the locking bore of the locking arm.

6. A locking device according to any one of claims 1 to 5, wherein the base unit includes a protection pad including a pad body having a pad body through hole, the pad body being provided on a side of the lock arm facing the lock pin hole of the lock body, and the pad body through hole of the pad body and the lock hole of the lock arm being in communication.

7. A locking device as recited in claim 6, wherein the cushion body has a guide slot that communicates with the cushion body through hole, and wherein the guide slot has a "V" shape.

8. A locking device as set forth in claim 6 wherein said guard pad includes a spacer ring extending from said guard pad body to said locking aperture of said locking arm.

9. A locking arrangement as claimed in any one of claims 1 to 5, wherein the securing assembly includes a first clip portion and a second clip portion arranged to provide a clip force for being fixedly mounted to the vehicle roof, wherein the locking arm extends integrally upwardly from the first clip portion.

10. Roof rack, its characterized in that includes:

A luggage rack; and

At least two locking devices according to any one of claims 1 to 9, wherein the luggage rack is provided with at least one of said locking devices on opposite sides thereof, respectively.

11. The roof rack of claim 10, further comprising a rail, each of opposite ends of the rail being provided with one of the locking devices, wherein the rail is fixedly mounted to the rack and each of opposite ends of the rail extend to opposite sides of the rack, such that each of the opposite sides of the rack is provided with at least one of the locking devices.

12. The roof rack of claim 11, further comprising a tab mounted to the housing, wherein a portion of the end of the rail is clamped between the tab and the housing to provide the locking device to the end of the rail.

13. The roof rack of claim 12, wherein the rail includes a main body portion, a longitudinal arm integrally extending laterally of the main body portion, and a transverse arm integrally extending at a bottom of the longitudinal arm, the tab and the housing sandwiching the transverse arm of the rail.