Connecting structure and movable lamp

Abstract

The utility model provides a connecting structure and a movable lamp. The connecting structure is used for connecting a first workpiece and a second workpiece. A cylindrical mounting cavity is formed in the first workpiece, and a connecting part is arranged on the second workpiece; a first syn-position groove is formed in the inner wall of the mounting cavity in the axis direction, and a second syn-position groove communicating with the first syn-position groove is formed in the circumferential direction of the mounting cavity; a stop part is arranged in the second syn-position groove; a stop groove is formed between the stop part and the side wall of the second syn-position groove; a clamping part is arranged on the peripheral wall of the connecting part; according to the connecting structure, the phenomenon and possibility that two workpieces fall off, disengage or separate during falling are avoided, and damage or falling of internal components of a product is avoided; under the condition that stable fastening is guaranteed, rapid connection and disassembly can be achieved only by rotating 90 degrees, and the use experience is improved; and the movable lamp can realize quick dismounting and replacement of lamp caps with different functions, so that the practical requirements of illumination in different scenes are met.

Description

Technical Field

[0001] The utility model relates to the technical field of lamps, and more specifically, to a connection structure and a mobile lamp. Background Art

[0002] Mobile lighting lamps are a type of portable lighting equipment, which are very useful in occasions without a fixed power source or where lighting is required during movement. However, they have the following deficiencies:

[0003] For the quick disassembly and replacement of the battery of the lighting tool, most use a threaded plastic cover. On the lamp body and the battery cover, the external thread and the internal thread are engaged, and by rotating, the cover is loosened or tightened to replace the battery. However, the threaded connection usually requires a large rotation stroke and a long rotation time, resulting in a poor experience. At the same time, when screwing the cover, the internal and external threads need to be aligned before screwing. If the cover is screwed without alignment, the internal and external threads will be squeezed against each other, causing damage, indentation or burrs on the threads, resulting in the cover not being able to be screwed on. Summary of the Utility Model

[0004] In view of this, the purpose of the present utility model is to provide a connection structure and a mobile lamp to solve the above problems.

[0005] The present utility model adopts the following solutions:

[0006] The present application provides a connection structure for connecting a first workpiece and a second workpiece. A cylindrical installation cavity is provided on the first workpiece, and a connection portion is provided on the second workpiece. A first alignment groove is provided on the inner wall of the installation cavity along the axial direction, and a second alignment groove communicating with the first alignment groove is provided in the circumferential direction of the installation cavity. A stop portion is provided in the second alignment groove. A stop groove is formed between the stop portion and the side wall of the second alignment groove. A clamping portion is provided on the outer peripheral wall of the connection portion.

[0007] The clamping portion moves in the first alignment groove and rotates in the second alignment groove, and then elastically deforms to enter or leave the stop groove. The stop groove limits the clamping portion in the axial and circumferential directions.

[0008] Further, the circumferential length of the second alignment groove is one-fourth of the entire circumferential length.

[0009] Further, the width of the first alignment groove is adapted to the width of the connection portion, and the height of the second alignment groove is adapted to the height of the clamping portion.

[0010] Further, a first inclined surface is provided on one side of the stopping portion close to the first alignment groove, and a second inclined surface is provided on the side away from the first alignment groove; the inclination angle of the first inclined surface is smaller than that of the second inclined surface.

[0011] Further, two first alignment grooves, the second alignment groove, and the stopping groove are symmetrically arranged in the installation cavity.

[0012] Further, the stopping portion is arranged at the middle position in the circumferential direction of the second alignment groove, and the stopping portion protrudes relatively from the second alignment groove, and the height of the stopping portion is not less than the depth of the second alignment groove.

[0013] Further, reinforcing ribs are provided on the inner lower side of the connecting portion.

[0014] Further, when the first workpiece and the second workpiece are connected, the clamping portion moves axially along the installation cavity in the first alignment groove, and the top end surface of the connecting portion abuts against the bottom end surface of the first alignment groove of the installation cavity; the clamping portion moves circumferentially along the installation cavity in the second alignment groove.

[0015] The present utility model further provides a mobile lamp, including a battery box and a battery cover connected to the battery box, and the battery cover and the battery box are connected by using the above-mentioned connection structure.

[0016] Further, an elastic member and an elastic gasket are further included, the elastic member is arranged on the bottom end surface of the battery box; the elastic gasket is arranged on the bottom end surface of the battery cover.

[0017] By adopting the above technical solutions, the present utility model can achieve the following technical effects:

[0018] The present utility model provides a connection structure. The arrangement of the stopping groove in the second alignment groove of the connection structure avoids the phenomenon and possibility of the two workpieces falling off, disengaging or separating, resulting in damage or dropping of the internal components of the product, and ensures the stability of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is a schematic structural diagram of the battery cover of the embodiment of the present utility model;

[0021] Figure 2 is a schematic cross-sectional structure diagram of the battery cover in the embodiment of the present utility model;

[0022] Figure 3 is a schematic structure diagram of the battery box in the embodiment of the present utility model;

[0023] Figure 4 is a schematic top view structure diagram of the battery box in the embodiment of the present utility model;

[0024] Figure 5 is a partially enlarged schematic cross-sectional structure diagram of the mobile lamp in the embodiment of the present utility model Figure 1 ;

[0025] Figure 6 is a partially enlarged schematic cross-sectional structure diagram of the mobile lamp in the embodiment of the present utility model Figure 2 ;

[0026] Figure 7 is a schematic structure diagram of the mobile lamp in the embodiment of the present utility model;

[0027] Figure 8 is a partially enlarged schematic cross-sectional structure diagram of the battery box assembly of the mobile lamp in the embodiment of the present utility model;

[0028] Figure 9 is Figure 8 a partially enlarged schematic cross-sectional structure diagram after the battery assembly is installed in

[0029] Figure 10 is a schematic structure diagram of the battery box of the mobile lamp in the embodiment of the present utility model;

[0030] Figure 11 is a schematic structure diagram of the battery box of the mobile lamp in the embodiment of the present utility model with the battery assembly assembled;

[0031] Figure 12 is a data sheet of the drop test of the mobile lamp in the embodiment of the present utility model;

[0032] Figure 13 is a schematic structure diagram of the lamp with the conventional up-and-down snap-fit structure in the axial direction in the comparative experiment of the embodiment of the present utility model;

[0033] Icons: mounting cavity 1, first sequence slot 2, second sequence slot 3, stop portion 4, stop slot 5, first inclined surface 6, second inclined surface 7, connecting portion 8, snap portion 9, reinforcing rib 10, battery cover 11, battery box 12, lamp body 13, lamp head 14, elastic member 15, circuit board 16, elastic contact piece 17, battery assembly 18, slot 19, conductive contact piece 20, buckle 21, card slot 22. Detailed implementation manners

[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0035] Embodiment

[0036] Combined with Figures 1 to 5 As shown, this embodiment provides a connection structure for connecting a first workpiece and a second workpiece; a cylindrical installation cavity 1 is provided on the first workpiece, and a connection portion 8 is provided on the second workpiece; a first sequence groove 2 is provided on the inner wall of the installation cavity 1 along the axial direction, and a second sequence groove 3 communicating with the first sequence groove 2 is provided along the circumferential direction; a stop portion 4 is provided in the second sequence groove 3; a stop groove 5 is formed between the stop portion 4 and the side wall of the second sequence groove; a clamping portion 9 is provided on the outer peripheral wall of the connection portion 8;

[0037] The clamping portion 9 can pass through the first sequence groove 2 and can rotate in the second sequence groove 3, and then elastically deform to enter or leave the stop groove 5; the stop groove 5 can limit the clamping portion 9 in the axial and circumferential directions.

[0038] The circumferential length of the second sequence groove 3 and the setting of the stop groove 5 in this connection structure avoid the phenomenon and possibility of the two workpieces falling off, detaching, or separating, resulting in damage or dropping of the internal components of the product.

[0039] Specifically, in this embodiment, a mobile lamp is taken as an example to illustrate the connection structure. As Figure 1 And Figure 2As shown, the first workpiece is the battery cover 11 of the mobile lamp. A cylindrical installation cavity 1 is provided on the battery cover 11. Two first alignment slots 2, second alignment slots 3, and stop slots 5 are symmetrically arranged in the installation cavity 1. A stop portion 4 is provided in the middle of the second alignment slot 3 in the circumferential direction; a stop slot 5 is formed between the stop portion 4 and the side wall of the second alignment slot 3; the circumferential length of the second alignment slot 3 is one-fourth of the entire circumferential length. Under the condition of ensuring stable fastening, only a 90-degree rotation is required to achieve quick connection and disassembly, improving the use experience. Of course, in other embodiments, the stop portion can also be provided at positions such as one-third or one-fourth of the circumferential direction of the second alignment slot. It should be noted that the above-mentioned symmetrical arrangement refers to axial symmetry, so that the first alignment slot 2 is located on the same side of the second alignment slot 3 in the circumferential direction.

[0040] A first inclined surface 6 is provided on one side of the stop portion 4 close to the first alignment slot 2, and a second inclined surface 7 is provided on the side away from the first alignment slot 2; the inclination angle of the first inclined surface 6 is smaller than the inclination angle of the second inclined surface 7; the setting of the smaller inclination angle of the first inclined surface 6 enables the clamping portion 9 to enter the stop slot 5 more smoothly, while the setting of the larger inclination angle of the second inclined surface 7 can ensure that the clamping portion 9 will not slide out of the stop slot 5 without sufficient rotational force, thereby ensuring the stability of the workpiece connection. Further, the stop portion 4 protrudes relatively from the second alignment slot 3, and the height of the stop portion 4 is greater than the depth of the second alignment slot 3 to further ensure that the clamping portion 9 will not slide out of the stop slot 5 without sufficient rotational force.

[0041] As Figures 3 to 6As shown, the second workpiece is a battery box 12 of a mobile lamp, and an elastic connecting portion 8 is protruded outward on the end cover at one end; the arc-shaped annular clamping portion 9 is provided on the outer peripheral wall, and its shape and size are adapted to the stop groove 5, avoiding the empty travel in the axial and circumferential directions, which causes a loose feeling. A reinforcing rib 10 is provided on the inner lower side of the connecting portion 8, so that the connecting portion 8 has a certain elasticity and a certain strength, further ensuring that the clamping portion 9 will not slide out of the stop groove 5 without sufficient rotational force, and better ensuring the stability of the workpiece connection. In this embodiment, the width of the first sequential groove 2 is adapted to the width of the connecting portion 8, and the height of the second sequential groove 3 is adapted to the height of the clamping portion 8. It should be noted that adaptation means that the first sequential groove 2, the second sequential groove 3 and the clamping portion 8 can be coordinated or compatible with each other in design, shape, size, function or connection mode, so that they can be effectively combined or connected. In order to enable the clamping portion 8 to move or rotate more smoothly in the first chronological groove 2 and the second chronological groove 3, in this embodiment, the width of the clamping portion 8 is slightly smaller than the width of the first chronological groove 2, and the height of the clamping portion 8 is slightly smaller than the height of the second chronological groove 3.

[0042] Preferably, after the first workpiece and the second workpiece are connected, when the clamping portion 9 is placed in the stop groove 5, the top end face of the connecting portion 8 abuts against the bottom end face of the mounting cavity 1, so that when the mobile lamp falls and the battery cover 11 hits the ground, the top end face of the connecting portion 8 can support the bottom end face of the mounting cavity 1, so as to avoid the end face of the clamping portion 9 from impacting the end face of the second positioning groove 3, causing the end face of the clamping portion 9 or the end face of the second positioning groove 3 to be worn or damaged, resulting in subsequent clamping failure.

[0043] In the present application, a mobile lamp is also provided, such as Figures 5 to 7 As shown, it includes a battery box 12 and a battery cover 11 connected to the lamp body 13, and the battery cover 11 and the battery box 12 are connected by the connection structure. The battery cover 11 is the first workpiece, and the end cover at one end of the battery box 12 is the second workpiece. By adopting this connection structure, the battery cover 11 and the battery box 12 can be quickly connected and disassembled; the phenomenon and possibility of the two workpieces falling off, detaching or separating when falling is avoided, resulting in damage or falling of the internal components of the product; at the same time, under the condition of ensuring stable fastening, it is only necessary to rotate the battery cover 11 90 degrees to achieve quick connection and disassembly, thereby improving the user experience.

[0044] Preferably, if Figure 8 box Figure 9As shown in the figure, an elastic member 15 is provided between the battery assembly 18 and the bottom end face of the battery case 12, and the elastic member is a spring; the spring provides an elastic force for the battery assembly 18 along its installation direction. When the battery cover 11 is connected to the battery case 12, the spring is in a compressed state, and it provides an outward thrust for the battery cover 11 through the battery assembly 18, so that the clamping portion 9 and the positioning groove 5 are pressed more tightly in the axial direction, so as to further avoid the situation that the clamping portion 9 slides out of the positioning groove 5 when falling. At the same time, when the battery cover 11 is opened, under the action of the spring force, the battery assembly 18 is ejected, so that one end of the battery assembly 18 moves outward away from the chamber of the battery case 12, so as to facilitate the quick removal and replacement of the battery assembly 18. An elastic gasket is provided on the bottom end face of the battery cover, and it is attached to the bottom of the battery cover 11. When the battery cover 11 is rotated and fastened to the battery case 12, due to the combined elastic force of the spring at the bottom of the battery assembly 18 and the elastic gasket in the battery cover 11, the battery assembly 18 is pressed after being inserted into the lamp body along the slot of the battery case 12, and rotated after being pressed to the bottom, so as to achieve effective clamping in place.

[0045] Further, as Figures 9 to 11 shown in the figure, a receiving cavity with one end open is provided on the lamp body, and the battery case 12 is installed in the receiving cavity; one end of the battery case 12 is an opening for the battery assembly to be inserted. A plurality of conductive contacts 20 are provided on the battery assembly 18, which are respectively and individually conducted with the electrodes of the battery pack of the battery assembly 18; an opening slot 19 for the conductive contacts 20 to be exposed is provided at the other end of the battery case 12. An elastic contact 17 is provided on the circuit board 16 of the lamp; when the battery assembly 18 is inserted into the battery case 12 through the opening, the elastic contact 17 elastically abuts against the conductive contact 20 through the opening slot 19, and then conducts.

[0046] Further, the same connection structure is also used to connect the lamp head 14 and the lamp body 13. The housing of the lamp body 13 is the first workpiece, and the seat body of the lamp head 14 is the second workpiece; the electrical connection between the lamp body 13 and the lamp head 14 is provided with corresponding elastic conductors at the bottom of the housing installation cavity 1 and the bottom end face of the seat body. When the connecting portion 8 on the seat body rotates to the positioning groove 5 in the second sequence groove 3 on the housing, electrical connection is achieved through conductive contact.

[0047] Through the setting of this connection structure, quick replacement of different functional lamp heads 14 can be realized, for example, a spotlight head 14, a zoom lamp head 14, a floodlight head 14, a flexible hose lamp head 14, etc., to meet the lighting practical needs of different scenarios.

[0048] As Figure 12As shown in the figure, by performing a drop test on the battery cover that is snap-connected to the lamp body in four snap-connection methods, the following test results are obtained. The four snap-connection methods are respectively the conventional direct up-and-down snap connection between the buckle 21 and the slot 22 in the axial direction (as Figure 13 shown), the rotational snap connection with a sequential groove, the snap connection with a stop portion added to the sequential groove, and the snap connection in which the connecting portion in this application has a reinforcing rib; for the lamps using the above snap-connection methods, light up the lamps and drop any side of the lamps from a height of 2 m onto a concrete floor, and perform 5, 10, 20, and 30 drops, and record the situation of the battery cover falling off.

[0049] It can be seen from the test results that this connection structure can effectively prevent the battery cover from detaching or separating from the lamp body when two lamps fall, thereby avoiding damage or dropping of the internal components of the product.

[0050] The above is only the preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above embodiments. All technical solutions falling within the idea of the present utility model belong to the protection scope of the present utility model.

[0051] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0052] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more, unless otherwise specifically defined.

[0053] In the present utility model, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0054] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on the top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "under the bottom of" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

Claims

1. A connection structure for connecting a first workpiece and a second workpiece; the first workpiece is provided with a cylindrical mounting cavity, and the second workpiece is provided with a connecting portion; characterized in that: A first axial groove is provided on the inner wall of the installation cavity, and a second axial groove connected to the first axial groove is provided in the circumferential direction of the installation cavity; a stopper is provided in the second axial groove; a stopper is formed between the stopper and the side wall of the second axial groove; a clamping part is provided on the outer peripheral wall of the connecting part; The clamping portion is elastically deformed to enter or move away from the stop groove by moving in the first axial groove and rotating in the second axial groove; the stop groove is used to limit the clamping portion in the axial and circumferential directions.

2. The connection structure according to claim 1, characterized in that: The circumferential length of the second sequential groove is one quarter of the entire circumferential length.

3. The connection structure according to claim 1, characterized in that: The width of the first aligning groove is matched with the width of the connecting portion, and the height of the second aligning groove is matched with the height of the clamping portion.

4. The connection structure according to claim 1, characterized in that: A first inclined surface is arranged on a side of the stop portion close to the first sequential groove, and a second inclined surface is arranged on a side away from the first sequential groove; an inclination angle of the first inclined surface is smaller than an inclination angle of the second inclined surface.

5. The connection structure according to claim 1, characterized in that: Two first positioning grooves, two second positioning grooves and two stop grooves are symmetrically arranged in the installation cavity.

6. The connection structure according to any one of claims 1 to 5, characterized in that: The stop portion is arranged at the middle position of the second positioning groove in the circumferential direction, and the stop portion relatively protrudes from the second positioning groove, and the height of the stop portion is not less than the depth of the second positioning groove.

7. The connection structure according to claim 1, characterized in that: A reinforcing rib is arranged on the inner lower side of the connecting portion.

8. The connection structure according to claim 1, characterized in that: When the first workpiece and the second workpiece are connected, the clamping part moves axially along the installation cavity in the first axial groove, and the top end face of the connecting part abuts against the bottom end face of the first axial groove of the installation cavity; the clamping part moves along the circumferential direction of the installation cavity in the second axial groove.

9. A mobile lamp, comprising a battery box and a battery cover connected to the battery box, characterized in that: The battery cover and the battery box are connected using the connection structure described in any one of claims 1-8.

10. The mobile lamp according to claim 9, characterized in that: It also includes an elastic member and an elastic gasket, wherein the elastic member is arranged on the bottom end surface of the battery box; and the elastic gasket is arranged on the bottom end surface of the battery cover.

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