WO2020147623A1

WO2020147623A1 - Handle

Info

Publication number: WO2020147623A1
Application number: PCT/CN2020/070851
Authority: WO
Inventors: 杨道耀; 杜昊
Original assignee: 顺丰科技有限公司
Priority date: 2019-01-17
Filing date: 2020-01-08
Publication date: 2020-07-23
Also published as: CN209852862U

Abstract

A handle, comprising a handle body (1). The handle body (1) comprises a gripping portion (11) and extension portions (12) provided at two ends of the gripping portion (11). A side of each extension portion (12) is provided with an installation groove (13). Handle buckles (2) are connected in the installation grooves (13), and the handle buckles (2) may rotate in the installation grooves (13). By means of connecting the handle body (1) and the handle buckles (2) in a rotational manner, the handle buckles (2) and the handle body (1) may be rotated. When there is no need to use the handle for lifting and other actions, the handle may be rotated to a corresponding product side to facilitate product storage.

Description

handle

Technical field

The utility model generally relates to the field of logistics transportation, in particular to a handle.

Background technique

As a kind of products that are currently used extremely widely, handles have different applications in different industries, equipment and products. At present, most of the handles are fixed on the support body and cannot be moved. They are only used as force application accessories, and only a few products are realized by the handle. The function of locking itself on the support body;

However, the locking handle or the corresponding mechanism on the supporting body is complicated, heavy in weight, high in cost, and insufficient in ease of use.

Utility model content

In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a handle.

In one aspect, a handle is provided, including a handle body, the handle body includes a grabbing portion and extension portions provided at both ends of the grabbing portion, and a side surface of each extension portion is provided with a mounting groove, and the mounting groove A handle buckle is connected, and the handle buckle can rotate in the installation groove.

According to the technical solution provided by the embodiments of the present application, by rotating the handle body and the handle buckle, both the handle buckle and the handle body can be rotated, and the handle can be rotated to The side of the corresponding product to facilitate product storage.

BRIEF DESCRIPTION

By reading the detailed description of the non-limiting embodiments made with reference to the following drawings, other features, objects, and advantages of the present application will become more apparent:

Figure 1 is a schematic diagram of the handle structure in this embodiment;

Figure 2 is a schematic diagram of the handle installation structure in this embodiment;

3 is a schematic diagram of the structure of the handle body in this embodiment;

4 is a schematic diagram of the structure of the handle buckle in this embodiment;

Figure 5 is a schematic diagram of the side of the handle buckle (positioning holes omitted) in this embodiment;

Figure 6 is a preferred embodiment of section AC in Figure 5;

Figure 7 is a diagram illustrating the principle of preventing loosening of the handle in this embodiment.

detailed description

The present application will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described here are only used to explain related utility models, but not to limit the utility model. In addition, it should be noted that, for ease of description, only the parts related to the utility model are shown in the drawings.

It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other if there is no conflict. The application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

1 and 3, this embodiment provides a handle, including a handle body 1, the handle body 1 includes a grasping portion 11 and extensions 12 provided at both ends of the grasping portion 11, each A mounting groove 13 is provided on the side of the extension portion 12, and a handle buckle 2 is connected to the mounting groove 13 and the handle buckle can rotate in the mounting groove. For example, the extension 12 and the handle buckle 2 are fixedly connected by bolts or screws 3, the handle buckle 2 is provided with a first mounting hole 24, and the mounting groove 13 is provided with a second mounting hole 14, so The second mounting hole 14 and the first mounting hole 24 are arranged coaxially, and both are used to pass through the screw 3, and the handle body can rotate around the screw.

The handle in this embodiment is connected to the handle body and the handle buckle by screws. The handle buckle and the handle body can be rotated around the screw, and the handle can be rotated to the side of the corresponding product when the handle is not needed, as shown in Figure 2. In order to facilitate the storage of the product, the handle can be rotated around the screw when needed. Among them, the handle body has a left-right symmetrical structure, as shown in Figure 3, including a grabbing portion and extensions on both sides, the grabbing portion is set in a circular cross-section, which is convenient for the user to hold and use. Department can determine the required length according to actual needs.

The handle in this embodiment can be prepared with different materials according to different usage scenarios. It is usually used for the goods that the drone needs to transport. Therefore, it can be prepared with plastic materials to reduce the weight of the handle, and at the same time, the extension can be set In a hollow structure, or as shown in Fig. 3, a groove is provided on the side surface. At the same time, in order to ensure the strength of the extension, a plurality of reinforcing ribs may be arranged in the groove.

Further, the handle buckle 2 includes a connecting portion 21 and a clamping portion connected to the connecting portion 21, the connecting portion 21 is provided with a first mounting hole 24, and the first mounting hole 24 is provided with At least two positioning holes 25.

As shown in Figure 4, the handle buckle in this embodiment includes a connecting part and a clamping part. The connecting part is connected to the handle body. The connecting part is provided with a first mounting hole for screwing through the screw. The accuracy of the connection of the handle body. At least two positioning holes are provided beside the first mounting hole to realize the precise positioning and installation of the connecting part and the handle body. The position layout of the positioning holes and the mounting holes allows the handle buckle to rotate within a certain range. While ensuring a certain degree of freedom, it can be firmly fixed at a certain place to ensure flexible and firm clamping with the object to be clamped.

Further, the clamping portion is provided with a clamping groove 22, the clamping groove 22 is used for clamping with the fixing pin 5 on the object 4 to be transported, and the entrance of the clamping groove 22 is in interference fit with the fixing pin 5 , The number of card slots can be set to one or more. Alternatively, the clamping part is provided with a hook, and the clamping part is clamped with the object to be clamped through the hook.

As shown in Figure 2, Figure 4 and Figure 5, the card slot on the handle buckle in this embodiment is used to engage with the fixed pin on the object to be transported to realize the locking and anti-loosening function of the handle; The interference fit of the fixed pin realizes the function of locking and preventing loosening.

Further, the clamping slot 22 includes a first clamping surface and a second clamping surface that are oppositely disposed, the second clamping surface is a surface away from the connecting portion 21, and the second clamping surface extends outward There is a guiding portion 23, and a guiding surface connected to the second clamping surface is provided on the guiding portion 23.

Figure 5 shows a side view of the handle buckle. The card slot includes a first card contact surface and a second card contact surface. The second card contact surface has a guiding part extending outward, and a guiding surface is provided on the guiding part. The guiding surface is mainly Play a guiding role to guide the fixing pin to be clamped with the card slot; the innermost part of the card slot is a circular arc surface, preferably the diameter of the circular arc surface is the same as the diameter of the fixing pin, and the fixing pin is attached to the handle buckle at this position to achieve Locking and anti-loosening function.

In this embodiment, the guide surface and the first clamping surface of the card slot and the bottom surface of the card slot are designed into an arc structure, which can be decomposed into three sections, as shown in Figure 5, the decomposition of each arc is similar to the above The guide surface, the first clamping surface, etc. do not correspond, just to facilitate the description of the function of the structure, etc., in which the movement track of the fixed pin is set in principle as shown by the Q line, and the AB segment arc on the handle buckle Mainly play a guiding role. The fixing pin in this mating section does not contact the handle buckle. Because of the errors in the product, the support body, the handle itself, and the assembly errors formed when assembled together, it is necessary to handle the buckle tail structure even in all superimposed In the case of the largest error, it can still ensure that the fixed pin enters the handle buckle smoothly; the BC section arc plays a role of locking and preventing loosening, and the entrance of the card slot is set on the BC section arc, and the fixed pin is assembled with the handle buckle In the process of the BC arc, it is the process of fitting-interference fit-fitting. Finally, the CD segment is the position where the fixed pin is locked with the slot on the handle buckle. The fixed pin is in the arc segment and the card Slot fitting, considering the production error and assembly error, the bottom surface of the fixed pin and the bottom surface of the arc segment can be attached to achieve the function of locking and anti-loosening; preferably, the AC segment arc in this embodiment is selected from The ellipse segment is shown in Figure 6, where the length of the AC segment can be appropriately extended or shortened according to actual needs.

Further, the clamping position of the clamping slot 22 and the fixing pin 5 and the guiding portion 23 are located on both sides of the first mounting 24 hole.

In this embodiment, the position where the fixing pin is clamped with the card slot and the guide part are arranged on both sides of the first mounting hole, so that the handle has the function of vibration and loosening after being installed. After the fixing pin is clamped with the card slot, , The bottom of the fixing pin can be contacted and matched with the slot. Figures 5 and 7 show the principle of preventing loosening of the handle. After the handle is buckled in place, if it is to be separated from the fixing pin, the center of the shaft hole O For the angle of view shown in Figure 7, the direction of rotation is counterclockwise. To realize the anti-seismic and anti-loosening function of the handle buckle, there must be a reverse torque that prevents the handle buckle from rotating counterclockwise. The principle of the generation and action of the reverse torque is as follows:

When the product is in a long-term vibration environment, the force generated by the fixed pin on the tail of the handle can be decomposed into F1 and F2. Among them, F1 is the force when the product is shaken and the product is out of motion, and F2 is the force caused by the interference between the fixed pin and the handle in the BC section. The magnitude of the torque of F1 to the center O is M1=F1*L1, the magnitude of the torque of F2 to the center O is M2=F2*L2, and the directions of M1 and M2 (in the viewing angle of the figure) are clockwise. The size of M1 and M2 determines the strength of the handle's anti-seismic and anti-loose ability. From the formula, L1 and L2 are fixed values, so the size of F1 and F2 determines the size of M1 and M2, which in turn determines the anti-seismic and anti-loose ability of the handle. When the product is in a vibrating environment, the size of F1 and F2 is positively related to the severity of the vibration, that is, the greater the vibration, the larger the value of F1 and F2, the more conducive to the anti-looseness of the handle.

Further, the opening of the installation groove 13 is set away from the grasping portion 11, a second installation hole 14 is provided in the installation groove 13, and at least two positioning posts 15 are provided beside the second installation hole 14. The post 15 is positioned and matched with the positioning hole 25.

In this embodiment, a mounting groove is provided on the side of the extension part of the handle body, and the mounting groove is installed in cooperation with the connecting part of the handle buckle, and a second mounting hole corresponding to the connecting part of the handle buckle is provided in the mounting groove. The positioning post is arranged beside it to cooperate with the positioning hole on the connecting part to ensure the accurate installation of the handle body and the handle buckle.

Further, the installation groove 13 is provided at an end of the extension part 12 away from the grasping part 11.

The installation groove in this embodiment is arranged on the outer side of the extension part to realize the installation with the handle buckle, making the installation method simpler and more convenient.

Further, the second mounting hole 14 and the first mounting hole 24 are arranged coaxially, and both are used to pass the screw 3.

In this embodiment, the first mounting hole on the connecting part and the second mounting hole in the mounting groove are used to pass screws to ensure that the screws can smoothly pass through the handle buckle and the handle body, and finally the handle buckle is completely fixed on the handle body.

Further, the extension part 12 is symmetrically arranged with the grasping part 11 as a symmetric center, that is, according to FIG. 1, the extension part is symmetrically arranged at both ends of the grasping part. In this embodiment, the handle has an axisymmetric structure, which is simple in structure and convenient to use.

Further, the connecting portion 21 of the handle buckle 2 matches the mounting groove 13 on the extension portion 12. In this embodiment, the connecting portion and the mounting groove are completely matched and arranged, and the outer side surface of the connecting portion is attached to the inner side surface of the mounting groove, so that the handle buckle has only one degree of freedom for translation along the screw as an axis after installation.

The handle in this embodiment is composed of a handle body and a handle buckle. The handle buckle and the fixed pin corresponding to the support body can form a cam rotation pair. When the handle is buckled in place, under non-human intervention, the handle will not loosen even in a long-term vibration environment; the more severe the vibration, the more severe the handle The stronger the anti-loose ability.

Further, the screw 3 is a plug screw. In this embodiment, a plug screw is used as the screw for fixing the extension part and the handle buckle. This type of product has high hardness, good toughness, excellent wear resistance and heat resistance, and is suitable for precision molds and can significantly increase its service life.

The above description is only a preferred embodiment of the present application and an explanation of the applied technical principles. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solution formed by the specific combination of the above technical features, and should also cover the above-mentioned utility model without departing from the concept of the utility model. Other technical solutions formed by any combination of technical features or equivalent features. For example, a technical solution formed by replacing the above features with technical features disclosed in this application (but not limited to) but having similar functions.

Claims

A handle, characterized in that it comprises a handle body, the handle body includes a grabbing portion and extension portions arranged at both ends of the grabbing portion, each extension portion is provided with a mounting groove on the side surface, and the mounting groove A handle buckle is connected, and the handle buckle can rotate in the installation groove.
The handle according to claim 1, wherein the handle buckle comprises a connecting portion and a clamping portion connected to the connecting portion, the connecting portion is provided with a first mounting hole, and the first mounting hole At least two positioning holes are provided next to a mounting hole.
The handle according to claim 2, wherein the clamping portion is provided with a clamping slot, the clamping slot is used for clamping with a fixing pin on the object to be conveyed, and the entrance of the clamping slot is connected to the fixing Pin interference fit.
The handle according to claim 3, wherein the card slot includes a first card contact surface and a second card contact surface that are opposed to each other, and the second card contact surface is a surface away from the connecting portion, so The second clamping surface has a guiding portion extending outward, and the guiding portion is provided with a guiding surface connected to the second clamping surface.
The handle according to claim 4, wherein the position where the slot and the fixing pin are engaged and the guide portion are located on both sides of the first mounting hole.
The handle according to claim 2, wherein the opening of the installation groove is set away from the grasping portion, the second installation hole is provided in the installation groove, and at least Two positioning posts, the positioning post and the positioning hole are positioned and matched.
The handle according to claim 1, wherein the mounting groove is provided at an end of the extension part away from the grasping part.
The handle according to claim 1, wherein the handle body has a left-right symmetrical structure, and the extension part is symmetrically arranged at both ends of the grasping part.
The handle according to claim 6, wherein the connecting portion of the handle buckle matches the mounting groove on the extension portion.
The handle according to claim 1, wherein the extension part is fixedly connected with the handle buckle by screws, the handle buckle is provided with a first mounting hole, and the mounting groove is provided with a second mounting hole The second mounting hole is coaxially arranged with the first mounting hole, and both are used to pass through the screw, and the handle body can rotate around the screw.
The handle according to claim 1, wherein the screw is a plug screw.
The handle according to claim 1, wherein the extension part has a hollow structure, or a groove is provided on the side of the extension part, and a reinforcing rib is arranged in the groove.
The handle according to claim 4, wherein the innermost part of the groove is a circular arc surface, and the diameter of the circular arc surface is the same as the diameter of the fixing pin.
The handle according to claim 3, wherein the card slot comprises a first card contact surface and a second card contact surface which are oppositely arranged, and the second card contact surface is a surface away from the connecting portion, wherein , The second clamping surface includes three arc-shaped structures, namely AB, BC, and CD. When the fixing pin is engaged with the handle buckle, the BC section is in order. Interference fit-the process of fitting.
The handle according to claim 2, wherein the clamping part is provided with a hook, and the clamping part is clamped with the object to be clamped through the hook.