CN117167691A - Button type mounting mechanism, lighting device and assembly method - Google Patents

Abstract

The application discloses a button type mounting mechanism, which comprises a base, a light shield and a lamp body, wherein the base comprises a base piece and a supporting piece, the supporting piece extends out of the base piece and forms a first accommodating cavity, and the supporting piece comprises a first connecting arm and a button part; the light shield is arranged in the first accommodating cavity and is rotationally connected with the base; a second accommodating cavity is formed in the light shield, and the light shield comprises a rotating part and an inserting part; the lamp body comprises a lamp cap and a connecting seat, the connecting seat extends downwards from the lamp cap, and the connecting seat is arranged in the second accommodating cavity; the connecting seat is equipped with second linking arm and first lug on the lateral wall, and second linking arm and grafting portion are inserted and are connected, and first lug and button portion detachably buckle are connected. The button part is pressed, the lamp body is released from the base, the light shield drives the lamp body to rotate relative to the base, and light rays emitted by the lamp body can be emitted from different angles. The application also provides a lighting device comprising the button type mounting mechanism and a corresponding assembly method.

Description

Button type mounting mechanism, lighting device and assembly method

Technical Field

The application relates to the technical field of LED lamp mounting structures, in particular to a button type mounting mechanism, a lighting device and an assembly method.

Background

The embedded lamp generally comprises an inner lamp body and an outer lamp body, wherein the inner lamp body is sleeved on the inner side of the outer lamp body; the recessed mounting of the light fixture is accomplished by connecting the outer lamp body to an external mounting base, such as a ceiling or suspended ceiling of a building. Some recessed lamps, such as down lamps, spot lamps or ceiling lamps, mostly adopt direct illumination, for example, in order to adjust the illumination direction, there are also adjusting structures which adopt an inner lamp body and an outer lamp body to rotate, for example, the inner lamp body and the outer lamp body adopt rotary buckle connection structures, a notch is formed in the outer lamp body, a light shield is connected with the inner lamp body, and the light shield can prevent light rays emitted by the inner lamp body from overflowing from the notch.

In the existing embedded lamp, the light shield and the inner lamp body are mostly of an integrated structure, and the light shield and the outer lamp body are detachably and rotatably connected, so that the whole lamp is assembled. When the disassembly and assembly, the light shield is required to be disassembled from the external installation foundation, and the process is tedious and laborious.

Disclosure of Invention

In order to solve the above-mentioned problem, the present application provides a button-type mounting mechanism of a lamp, wherein a lamp body is detachably connected to a light shield through a plug-in block of a first connecting arm and a slot body of a plug-in portion, and a first marble is cooperatively connected with a stopper, and then the light shield is mounted in a base and is buckled and connected to the lamp body through a button portion; when the illumination angle is required to be adjusted, the button part is pressed, the lamp body is loosened from the base, and the light shield drives the lamp body to rotate relative to the base, so that light rays emitted by the lamp body can be emitted from different angles. The application also provides a lighting device comprising the button type mounting mechanism and an assembling method adopting the button type mounting mechanism.

In order to achieve the above object, the present application provides the following technical solutions:

a push button mounting mechanism comprising:

the base comprises a base piece and a supporting piece, wherein the supporting piece extends out of the base piece and forms a first accommodating cavity inside the supporting piece, the supporting piece comprises a first connecting arm and a button part, and the button part is arranged between the first connecting arms;

the light shield is arranged in the first accommodating cavity and is rotationally connected with the base; a second accommodating cavity is formed in the light shield, and the light shield comprises a rotating part and an inserting part;

the lamp body comprises a lamp cap and a connecting seat, the connecting seat extends downwards from the lamp cap and is arranged in the second accommodating cavity; the connecting seat is provided with a second connecting arm and a first lug on the side wall, the second connecting arm is connected with the plug-in connection part in a plugging manner, and the first lug is detachably buckled with the button part.

In one embodiment, the plugging part is communicated with the second accommodating cavity, and is provided with a groove body and a limiting block, and the limiting block protrudes towards the second accommodating cavity; the second connecting arm is provided with an inserting block and a first marble, the inserting block is connected in the groove body in an inserting mode, and the first marble is in elastic connection with the limiting block in a resetting mode.

In one embodiment, the button part comprises a supporting block, a pressing block and a second bump, wherein the pressing block is in elastic connection with the supporting block in a resetting manner; the second protruding block protrudes from the pressing block towards the first accommodating cavity, and the second protruding block is in buckling connection with the first protruding block.

In one embodiment, in the cross section of the button-type mounting mechanism, the connection point between the pressing block and the supporting block is a dot O, and the front end moving distance m2 of the second bump and the bottom end moving distance m1 of the pressing block have the following relation:

wherein,

r1 is the length of a connecting line between the bottom end of the pressing block and the round point O;

s is the horizontal distance between the bottom end of the pressing block and the round dot O in the non-pressing state.

In one embodiment, the first connecting arm extends inwards towards the first accommodating cavity to form an arc-shaped block, and a second marble is arranged on the arc-shaped block; the support piece is also provided with a clearance gap between the first connecting arms at two sides; when the lamp body is obliquely arranged for irradiation, the light shield protrudes out of the avoidance space.

In one embodiment, the lamp holder is provided with an edge at the joint of the lamp holder and the connecting seat, the lamp holder is provided with a saw tooth part at the edge, the saw tooth part is provided with a plurality of limit grooves, and the limit grooves are connected with the second marble in a matched manner.

In one embodiment, the limiting grooves are in a continuously distributed sawtooth groove structure or an arc groove structure.

In one embodiment, the side wall of the connecting seat is further provided with a positioning block, the rotating part of the light shield is provided with a positioning groove, and the positioning block is connected with the positioning groove in a matching way.

The application also provides a lighting device, which comprises a light-emitting component, a heat-dissipating piece, a front ring and the button-type mounting mechanism of any one of claims 1-8, wherein the heat-dissipating piece and the light-emitting component are arranged in the lamp body, the heat-dissipating piece is in fit connection with the light-emitting component, and the front ring is sleeved on the periphery of the base.

The application also provides an assembling method, which is characterized in that the button type mounting mechanism or the lighting device comprising the button type mounting mechanism is adopted, and the assembling method specifically comprises the following steps:

s1, connecting a lamp body and a light shield together;

s11, the positioning block is inserted and connected into the positioning groove;

s12, the plug-in block of the second connecting arm is connected with the groove body of the plug-in part in a plug-in mode;

s13, the first marble firstly retracts to pass through the limiting block, and then resets and is limited by the limiting block;

s14, the connecting seat is arranged in the second accommodating cavity;

s2, a light shield is arranged in the first accommodating cavity and is rotationally connected with the base;

s3, the button part is connected to the first bump in a buckling manner;

s4, pressing the button part, releasing the second bump from the button part, and enabling the light shielding piece to drive the lamp body to rotate relative to the base; at this time, the second marble cooperates with the spacing groove, provides damping and carries out rotation angle spacing.

Based on the technical scheme, compared with the prior art, the application has the following technical effects:

1. the application relates to a button type mounting mechanism, wherein a lamp body is detachably connected with a light shield in an inserting way, in particular to a lamp body connecting seat is mounted in a first accommodating cavity of the light shield through the inserting connection of an inserting block of a first connecting arm and a groove body of an inserting part and the matching connection of a first marble and a limiting block; the light shield is arranged in the second accommodating cavity of the base, and the second lug of the button part is buckled and connected with the first lug of the lamp body; when the angle is required to be adjusted, the second lug is separated from the first lug by pressing the pressing block of the button part, so that the lamp body is loosened from the base, the light shield drives the lamp body to rotate relative to the base, and light rays emitted by the lamp body can be emitted from different angles.

2. According to the lighting device provided by the application, the button type mounting mechanism is adopted, the lamp body is detachably connected with the plug-in part of the light shield in a plug-in mode through the first connecting arm, and the lamp body and the light shield can be assembled without tools; the light shield is rotationally connected with the base, and the pressing part of the base is in buckling connection with the lamp body, so that on one hand, the direct type light emitting position of the lamp body can be locked; on the other hand, when light is required to be emitted obliquely downwards, the light emitting method of the lamp body can be adjusted by pressing the button part, and the second marble is connected with the limiting groove in a matched mode to limit, so that the lighting requirements of different angles are met.

3. The assembling method provided by the application is convenient and labor-saving in the assembling process, and the illumination angle of the lamp body is easy to adjust after the assembling is finished.

Drawings

Fig. 1 is an exploded view of the push button type mounting mechanism of embodiment 1.

Fig. 2 is a schematic partial structure of the base of embodiment 1.

Fig. 3 is a schematic top view of the light shield of embodiment 1.

Fig. 4 is a schematic structural diagram of the lamp body of embodiment 1 at one view angle.

Fig. 5 is a schematic view of the lamp body of embodiment 1 at another view angle.

Fig. 6 is a sectional view of the lighting device of embodiment 2.

Fig. 7 is an enlarged cross-sectional view of a partial structure of the lighting device of fig. 6.

Fig. 8 is a schematic projection view of the button portion of fig. 7.

Fig. 9 is a flow chart of the assembling method of embodiment 4.

Detailed Description

In order that the application may be readily understood, a more particular description of the application will be rendered by reference to specific embodiments that are illustrated in the appended drawings. The drawings illustrate preferred embodiments of the application. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Example 1

As shown in fig. 1-5, a push button type mounting mechanism 100 is used in recessed lamps such as down lamps, spot lamps, ceiling lamps or ceiling lamps, and is integrally assembled by a push button type mounting method. The button type mounting mechanism 100 comprises a base 1, a light shield 2 and a lamp body 3, wherein a front ring 4 can be sleeved outside the base 1, a clamping spring piece 5 can be fixedly mounted on the front ring 4, and the base 1 and the front ring 4 can be mounted on the external mounting foundation through the clamping spring piece 5 and an external mounting foundation such as a through hole clamped in a ceiling, a suspended ceiling or a wall.

The base 1 includes a base member 11 and a support member 12, wherein the base member 11 has a ring-like structure, the support member 12 extends from the base member 11, and a first accommodating chamber 120 is formed inside the support member 12 for mounting the light shield 2. The support member 12 includes first connection arms 121 and a button portion 122, wherein the first connection arms 121 are formed protruding from the base member 11, and the two first connection arms 121 are disposed opposite to each other.

In some embodiments, the support 12 further comprises a diagonal block 123, the diagonal block 123 being connected to the two first connecting arms 121, respectively. The button portion 122 is disposed between the two first connecting arms 121 and above the diagonal block 123. The button portion 122 is a plastic member having elasticity, which can be elastically deformed relative to the diagonal block 123, and the position of the end of the button portion 122 in the first accommodating cavity can be changed.

A gap may be formed between the button portion 122 and the diagonal block 123, that is, the button portion 122 is not completely tightly connected to the diagonal block 123, so that a space is left in the gap to facilitate deformation and pressing of the button portion 122.

In some embodiments, the base member 11 and the first connecting arm 121, the button portion 122, and the diagonal block 123 of the support member 12 are of unitary construction. In some embodiments, the first connecting arms 121, the button portions 122, and the diagonal pieces 123 of the base member 11 and the support member 12 are of a separate structure, and the respective components may be connected together by bonding, ultrasonic welding, or the like.

In other embodiments, base member 11 and support member 12 are a unitary injection molded structure; the first connecting arm 121 and the diagonal block 123 of the support member 12 are integrally injection-molded, and the button portion 122 may be integrally connected to the diagonal block 123 or may be connected to the diagonal block 123 by an elastic structure such as a torsion spring.

The light shield 2 is used for guiding the emergent direction of the light and preventing the light from leaking from the notch when the lamp body rotates obliquely. The light shield 2 is mounted in the first receiving cavity 120 of the support 12 and the light shield 2 is rotatably connected with the base 1, for example by means of a sliding rail and sliding groove fit, or by means of screw members with an existing damping effect together with a sealing gasket. Because the base 1 is fixedly arranged on the outer installation basis, the light shield 2 can drive the lamp body 3 to be connected with the base 2 in a rotating way, and therefore the light emitting angle of the lamp body 3 can be adjusted. A second accommodation chamber 20 is formed inside the light shield 2, and the light shield 2 includes a rotation portion 21 and a socket portion 22. The rotating portion 21 has an arc block structure, the light shield 2 is connected with the base 1 through the rotating portion 21, for example, an arc sliding groove 211 is provided on the rotating portion 21, correspondingly, the base 1 is provided with an arc sliding rail 124 on the first connecting arm 121, the arc sliding groove 211 slides along the arc sliding rail 124, and the light shield 2 can rotate relative to the base 1. The plug-in part 22 has a cavity structure similar to a prism, and the light shield 2 is connected with the lamp body 3 in a plug-in mode through the plug-in part 22.

The lamp body 3 is a functional main body of the button type mounting mechanism 100, the lamp body 3 comprises a lamp cap 31 and a connecting seat 32, the lamp cap 31 is in a columnar structure, and a power supply assembly, a heat dissipation piece, a light emitting assembly and the like are mounted in the lamp cap 31. The connecting base 32 is formed to extend downward from the lamp cap 31 toward the shade 2, the connecting base 32 is also generally cylindrical in structure, and the inner diameter of the connecting base 32 is smaller than the inner diameter of the lamp cap 31. The connecting seat 32 is installed in the second accommodating cavity 20, a first bump 321 and a second connecting arm 322 are arranged on the side wall 320 of the connecting seat 32, the second connecting arm 322 is connected with the plug-in part 22 in a plug-in mode, and then the light shield 2 is detachably connected with the lamp body 3 in a plug-in mode; the first protruding block 321 is detachably connected with the button portion 122 of the base 1 in a snap-fit manner, that is, after the lamp body 3 and the light shield 2 are assembled, the button portion 122 is connected with the first protruding block 321 in a snap-fit manner, and at the moment, the position of the lamp body 3 can be locked to be vertical to the base 1; when the lamp body 3 needs to rotate, the button portion 122 is pressed, and then the button portion 122 is separated from the first bump 321, and the lamp body 3 is released from the base 1 and can rotate along with the light shield 2, so as to perform light downward slant.

Specifically, in the light shielding cover 2, the plugging portion 22 is communicated with the second accommodating cavity 20, the plugging portion 22 is provided with a groove 221 and a limiting block 222, the limiting block 222 protrudes toward the second accommodating cavity 20, and the groove 221 is a vertically downward accommodating groove. Correspondingly, the second connecting arm 322 is provided with a plug block 3221 and a first marble 3222. In the process of inserting and connecting the second connecting arm 322 and the inserting portion 22, the inserting block 3221 is inserted and connected to the groove 221, and the first marble 3222 is elastically connected with the limiting block 222 in a resettable manner, that is, in the process of inserting and connecting the second connecting arm 322 downwards, the first marble 3222 elastically retracts to pass through the limiting block 222 when contacting the limiting block 222, and then resets and is limited by the limiting block 222.

As shown in fig. 3, in the light shield 2 of the present embodiment, the cross section of the groove 221 is a trapezoid structure, and correspondingly, the insertion block 3221 is also configured to have a trapezoid structure in cross section; in other embodiments, the cross-sections of the groove 221 and the insertion block 3221 may be triangular, rectangular, circular, elliptical, or the like. The locating groove 211 is formed in the rotating portion of the light shield 2, correspondingly, the connecting seat 32 is provided with the locating block 323, the locating block 323 is connected with the locating groove 211 in a matched mode, when the connecting seat 32 is inserted into the second accommodating cavity 20, the locating block 323 is connected into the locating groove 211 in a connected mode, a guiding effect can be achieved, and the connecting seat 32 is connected with the light shield 2 smoothly.

With continued reference to fig. 1 and 2, in the base 1 of the present embodiment, the button portion 122 includes a support block 1221, a second tab 1222, and a pressing block 1223, the support block 1221 is connected to the diagonal block 123, and the pressing block 1223 is resiliently connected to the support block 1221 in a resettable manner; and, the second tab 1222 is formed protruding inward from the pressing block 1223 toward the first receiving cavity 120. After the light shield 2 is mounted into the base 1 together with the connection base 32 of the lamp body 3, the second tab 1222 is snap-coupled with the first tab 321, thereby locking the upright position of the lamp body 3.

The first connecting arms 121 extend inward toward the first accommodating chamber 120 to form an arc block 125, a second marble 126 is provided on the arc block 125, and a clearance space 127 is further provided between the first connecting arms 121 on both sides of the supporting member 12, and the clearance space 127 is disposed opposite to the diagonal block 123. When the lamp body 3 is obliquely illuminated, that is, the angle of the base 31 is deflected, the shade 2 partially protrudes from the avoidance space 127.

Referring to fig. 4 and 5, the cap 31 is provided with a rim 33 at a junction with the connection base 32, and the cap 31 is provided with a serration 34 at the rim 33 toward the base 3, and a plurality of limit grooves 341 are provided on the serration 34. In some embodiments, the limiting grooves 341 may be in a continuously distributed saw tooth groove structure or in a continuously distributed arc groove structure. The limiting groove 341 is connected with the second marble 126 in a matched manner, when the lamp body 3 needs to be rotated and adjusted, the lamp holder 31 is swung, and at the moment, the second marble 126 can retract downwards; when the swinging lamp cap 31 reaches a preset position, the second marble 126 is reset, rebounded and clamped in the limiting groove 126, so that the obliquely downward position of the lamp body 3 is locked, and the lamp cap 31 after rotation adjustment is ensured not to generate position deviation.

In the button type mounting mechanism of the embodiment, the lamp body is detachably connected with the light shield in a plugging manner, specifically, the lamp body is connected with the slot body of the plugging portion in a plugging manner through the plugging block of the first connecting arm, and the first marble is connected with the limiting block in a matching manner, so that the connecting seat of the lamp body is mounted in the first accommodating cavity of the light shield; the light shield is arranged in the second accommodating cavity of the base, and the second lug of the button part is buckled and connected with the first lug of the lamp body to lock the vertical position of the lamp body; when the angle adjustment is needed, the second convex block is separated from the first convex block by pressing the pressing block of the button part, so that the lamp body is loosened from the base, the light shield drives the lamp body to rotate relative to the base, after the rotation is completed, the second marble is matched and connected with the limiting groove, the inclined downward position of the lamp body is locked, and light rays can be emitted from different angles according to the requirements.

Example 2

Fig. 6 is a sectional view of a lighting device of the present embodiment, and as shown in fig. 6, a lighting device including a light emitting assembly 200, a heat sink 300 and a front ring 4, and the button-type mounting mechanism 100 of embodiment 1 may be a down lamp, a spotlight, a ceiling lamp or a rail lamp body. Wherein, the light emitting component 200 and the heat dissipation member 300 are arranged inside the lamp body 3, the heat dissipation member 300 is arranged inside the lamp cap 31, the light emitting component 200 is arranged inside the connecting seat 32, and the heat dissipation member 300 is attached to the light emitting component 200. The light emitting assembly 200 includes an aluminum substrate 201 and a light emitting unit 202 attached to the aluminum substrate 201, such as an LED bead of an SMD patch or an LED bead of a COB light source. A lens 500 is further disposed in the light emitting direction of the light emitting unit 200, and the lens 500 is installed in the inner cavity of the connection holder 32, thereby performing light control processing on the light.

The front ring 4 is sleeved on the periphery of the base 1, the clamp spring piece 5 is fixedly installed on the front ring 4, and the base 1 and the front ring 4 can be installed on the external installation foundation through the clamp spring piece 5 and the external installation foundation, such as a through hole clamped connection formed in a ceiling, a suspended ceiling or a wall, so that the embedded installation of the lighting device on the external installation foundation is completed. A reflector 600 is also mounted inside the front ring 4 to further control the light emitted.

The lighting device of the embodiment adopts the button type mounting mechanism of the embodiment 1, the lamp body is detachably connected with the light shield in an inserting way, and the lamp body and the light shield can be assembled without tools; the light shield is rotationally connected with the base, and the pressing part of the base is in buckling connection with the lamp body, so that on one hand, the direct type light emitting position of the lamp body can be locked; on the other hand, when light is required to be emitted obliquely downwards, the light emitting method of the lamp body can be adjusted by pressing the button part, and the second marble is connected with the limiting groove in a matched mode to limit, so that the lighting requirements of different angles are met.

Example 3

Fig. 7 is an enlarged sectional view of a partial structure of the lighting device of fig. 6, specifically, an enlarged sectional view of the button part 122 in a sectional view of the button-type mounting mechanism 100. Referring to fig. 6 and 7 in combination, in the present embodiment, the second tab 1222 of the button part 122 is snap-coupled with the first tab 321 when the lamp body 3 is erected, thereby locking the erected position of the lamp body 3; when the lamp body 3 needs to rotate, the button portion needs to be pressed, so that the second tab 1222 of the button portion 122 is separated from the first tab 321, and the lamp body 3 is released from the base 1 and can rotate along with the light shield 2, so as to perform light downward slant.

In the above process, the second tab 1222 of the button 122 is integrally formed with the pressing block 1223, and the second tab 1222 is also rotationally displaced when the pressing block 1223 is pressed. The method specifically comprises the following steps:

in the cross section of the button-type mounting mechanism, with the connection point of the pressing block and the supporting block as a dot O, the moving distance m2 of the front end 1224 of the second tab 1222 and the moving distance m1 of the bottom end 1225 of the pressing block 1223 have the following relationship:

wherein,

r1 is the length of a connecting line between the bottom end of the pressing block and a round point O (supporting point);

s is the horizontal distance between the bottom end of the pressing block and the round dot O in the non-pressing state.

When the pressing block is not pressed, the pressing block is indicated by a dotted line; after the pressing block is pressed, the solid line is shown. After the pressing block is pressed, the pressing block drives the second bump to move, and at the moment, the second bump and the pressing block respectively deflect at an angle theta 2.

Fig. 8 is a schematic projection view of the button portion of fig. 7, and referring to fig. 6-8, a relation between a movement distance m2 of the front end 1224 of the second tab 1222 and a movement distance m1 of the bottom end 1225 of the pressing block 1223 is calculated by the following process:

r1 is the length of the connecting line between the bottom end 1225 of the pressing block 1223 and the dot O (supporting point), i.e. r1 is the radius of rotation of the bottom end 1225 with the dot O;

r2 is the length of the connecting line between the front end 1224 of the second tab 1222 and the dot O (the supporting point), i.e. r2 is the radius of rotation of the front end 1224 with the dot O;

s is the horizontal distance between the bottom 1225 of the pressing block 1223 and the dot O in the non-pressed state;

(1) In triangle Oab:

from sin θ1=s1/r 1, θ1=arcsin (s 1/r 1) is obtained;

s1=s-m 1, yielding θ1=arcsin [ (s-m 1)/r 1]; (1)

θ1 is an included angle formed by the bottom end 1225, the dot O, and the supporting member 1221 in the pressed state;

s1 is the horizontal distance between the bottom 1225 and the dot O in the pressed state;

m1 is a horizontal distance by which the bottom end 1225 moves relative to the dot O from the unpressed state to the pressed state, i.e., m1 is a distance by which the bottom end 1225 of the pressing block 1223 moves.

(2) In triangle Ocd:

from sin θ2=m2/r 2, θ2=arcsin (m 2/r 2); (2)

m2 is the horizontal distance that the front end 1224 moves relative to the dot O from the unpressed state to the pressed state, i.e., m2 is the active distance of the front end 1224 of the second tab 1222.

(3) In triangle Oef:

from sin θ=s/r 1, θ=arcsin (s/r 1); (3)

θ is the angle formed by the bottom end 1225, the dot O, and the support 1221 in the unpressed state;

since θ=θ1+θ2; (4)

θ2 is a deflection angle from the unpressed state to the pressed state at the front end 1224 and the bottom end 1225.

The synthesis (1) (2) (3) (4) is available,

θ-θ1＝θ2，

arcsin(s/r1)-arcsin[(s-m1)/r1]＝arcsin(m2/r2)，

m2/r2＝sin{arcsin(s/r1)-arcsin[(s-m1)/r1]}

m2＝r2*sin{arcsin(s/r1)-arcsin[(s-m1)/r1]}。

namely, the movement distance m2 of the front end 1224 of the second tab 1222 and the movement distance m1 of the bottom end 1225 of the pressing block 1223 have the following relationship;

in actual design and production, the size of the front end 1224 of the second tab 1222 and the size of the bottom end 1225 of the push block 1223 may be adjusted as desired.

Example 4

Fig. 9 is a flow chart of an assembling method of the present embodiment, which employs the button-type mounting mechanism of embodiment 1, or the lighting device of embodiment 2, as shown in fig. 9. The assembly method specifically comprises the following steps:

s1, connecting a lamp body and a light shield together;

s2, a light shield is arranged in the first accommodating cavity and is rotationally connected with the base;

s3, the button part is connected to the first bump in a buckling manner;

s4, pressing the button part, releasing the second bump from the button part, and enabling the light shielding piece to drive the lamp body to rotate relative to the base; at this time, the second marble cooperates with the spacing groove, provides damping and carries out rotation angle spacing.

Further, in the process of connecting the lamp body and the light shield together in S1, the method specifically comprises the following steps:

s11, the positioning block is inserted and connected into the positioning groove;

s12, the plug-in block of the second connecting arm is connected with the groove body of the plug-in part in a plug-in mode;

s13, the first marble firstly retracts to pass through the limiting block, and then resets and is limited by the limiting block;

s14, the connecting seat is arranged in the second accommodating cavity.

The assembly method provided by the embodiment is convenient and labor-saving in the installation process, and the illumination angle of the lamp body is easy to adjust after the assembly is completed.

The foregoing is merely illustrative and explanatory of the application as it is described in more detail and is not thereby to be construed as limiting the scope of the application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the application, and that these obvious alternatives fall within the scope of the application.

Claims (10)

1. Button installation mechanism, its characterized in that includes:

the base comprises a base piece and a supporting piece, wherein the supporting piece extends out of the base piece and forms a first accommodating cavity inside the supporting piece, the supporting piece comprises a first connecting arm and a button part, and the button part is arranged between the first connecting arms;

the light shield is arranged in the first accommodating cavity and is rotationally connected with the base; a second accommodating cavity is formed in the light shield, and the light shield comprises a rotating part and an inserting part;

the lamp body comprises a lamp cap and a connecting seat, the connecting seat extends downwards from the lamp cap and is arranged in the second accommodating cavity; the connecting seat is provided with a second connecting arm and a first lug on the side wall, the second connecting arm is connected with the plug-in connection part in a plugging manner, and the first lug is detachably buckled with the button part.

2. The button-type mounting mechanism according to claim 1, wherein the plug-in portion is communicated with the second accommodating chamber, and the plug-in portion is provided with a groove body and a stopper, and the stopper protrudes toward the second accommodating chamber; the second connecting arm is provided with an inserting block and a first marble, the inserting block is connected in the groove body in an inserting mode, and the first marble is in elastic connection with the limiting block in a resetting mode.

3. The push button mounting mechanism of claim 1, wherein the push button portion comprises a support block, a push block and a second bump, the push block being resiliently connected with the support block in a resettable manner; the second protruding block protrudes from the pressing block towards the first accommodating cavity, and the second protruding block is in buckling connection with the first protruding block.

4. A push button mounting mechanism according to claim 3, wherein in a cross section of the push button mounting mechanism, a point O of connection between the push block and the support block is a point O, and a front end movement distance m2 of the second bump and a bottom end movement distance m1 of the push block have the following relation:

wherein,

r1 is the length of a connecting line between the bottom end of the pressing block and the round point O;

s is the horizontal distance between the bottom end of the pressing block and the round dot O in the non-pressing state.

5. The push button mounting mechanism of claim 1, wherein the first connecting arm extends inwardly toward the first receiving cavity to form an arcuate block having a second marble disposed thereon; the support piece is also provided with a clearance gap between the first connecting arms at two sides; when the lamp body is obliquely arranged for irradiation, the light shield protrudes out of the avoidance space.

6. The push button mounting mechanism according to claim 5, wherein the lamp cap is provided with a rim at a junction with the connection base, and the lamp cap is provided with a serration at the rim, the serration being provided with a plurality of limit grooves, the limit grooves being connected with the second marble in a mating manner.

7. The push button mounting mechanism of claim 6, wherein the limit grooves are in a continuously distributed saw tooth groove structure or an arc groove structure.

8. The button-type mounting mechanism according to claim 1, wherein the connecting seat is further provided with a positioning block on a side wall, the light shield is provided with a positioning groove on the rotating part, and the positioning block is connected with the positioning groove in a matching manner.

9. The lighting device is characterized by comprising a light-emitting component, a heat-radiating piece and a front ring, and the button type mounting mechanism according to any one of claims 1-8, wherein the heat-radiating piece and the light-emitting component are arranged in the lamp body, the heat-radiating piece is in fit connection with the light-emitting component, and the front ring is sleeved on the periphery of the base.

10. A method of assembly, characterized by using a push button mounting mechanism according to any one of claims 1-8, or a lighting device according to claim 9, comprising the steps of:

s1, connecting a lamp body and a light shield together;

s11, the positioning block is inserted and connected into the positioning groove;

s12, the plug-in block of the second connecting arm is connected with the groove body of the plug-in part in a plug-in mode;

s13, the first marble firstly retracts to pass through the limiting block, and then resets and is limited by the limiting block;

s14, the connecting seat is arranged in the second accommodating cavity;

s2, a light shield is arranged in the first accommodating cavity and is rotationally connected with the base;

s3, the button part is connected to the first bump in a buckling manner;

s4, pressing the button part, releasing the second bump from the button part, and enabling the light shielding piece to drive the lamp body to rotate relative to the base; at this time, the second marble cooperates with the spacing groove, provides damping and carries out rotation angle spacing.