Ground plug lamp

By designing vertical plates at intersecting angles and an inverted structure on the ground socket of the floor light, the problem of insufficient firmness of the floor light after being inserted into the ground is solved, achieving higher stability and anti-loosening effect.

CN223595811UActive Publication Date: 2025-11-25GUANGDONG CHENGHONG LIGHTING TECH CO LTD
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Patent Information

Application Number
CN202423308891.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-25
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing ground-mounted lights are not secure enough after being inserted into the ground, and are prone to shaking and loosening.

Method used

It adopts a ground-insertion column design, which consists of multiple vertical plates that form an angle with each other, and has an inverted structure on the outer wall, including an inverted groove and an inverted protrusion, to increase friction and prevent shaking.

Benefits of technology

It significantly improves the firmness of the ground light plug, prevents it from coming loose, and enhances its stability under external forces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pin lamp which comprises a lamp body and an installation base. The mounting base is arranged on the lamp body and located on the lower side of the lamp body, a ground inserting column is arranged on the lower portion of the mounting base, the ground inserting column extends in the vertical direction and comprises at least two vertical plate parts arranged in the vertical direction, and all the vertical plate parts form included angles and are connected in a crossed mode. And an inverted buckling structure is arranged on the outer side wall of the ground inserting column. When the pin lamp is inserted into the ground through the pin column of the mounting base, the plurality of vertical plate parts forming the included angles can increase the total friction force between the pin column and the ground, the vertical plate parts can also prevent the pin column from shaking relative to the ground, and the inverted buckle structure is arranged on the outer side wall of the pin column. The inverted buckle structure can increase the friction force between the ground inserting column and the ground, so that the ground inserting column is not prone to being loosened and pulled out accidentally under the action of external force, and the firmness degree of the ground inserting lamp inserted into the ground is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a lamp decoration, especially a ground plug lamp. BACKGROUND

[0002] Outdoor lighting can use a ground plug lamp. Some existing ground plug lamps include a lamp body and a mounting seat arranged on the lower side of the lamp body. The lower part of the mounting seat has a ground insertion column. The ground insertion column can be vertically inserted into a relatively soft soil surface to fix the ground plug lamp. To improve the firmness of the ground plug lamp when inserted into the ground, the ground insertion column of the existing ground plug lamp can include two mutually perpendicular vertical plate portions. The two vertical plate portions are connected to each other, so that the surface area of the ground insertion column is larger. After the ground insertion column is inserted into the ground, the overall friction between the ground insertion column and the soil is greater, and the ground insertion column is less likely to shake. However, the firmness of the current ground plug lamp after being inserted into the ground is still insufficient. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a ground plug lamp that can further improve the firmness after being inserted into the ground.

[0004] According to the ground plug lamp of the utility model embodiment, the mounting seat is arranged on the lamp body and located on the lower side of the lamp body. The lower part of the mounting seat is provided with a ground insertion column. The ground insertion column extends along the up-down direction. The ground insertion column includes at least two vertical plate portions arranged along the up-down direction. All the vertical plate portions are mutually angled and connected. The outer side wall of the ground insertion column is provided with a reverse buckle structure.

[0005] According to the ground plug lamp of the utility model embodiment, the ground insertion column of the mounting seat can increase the overall friction between the ground insertion column and the ground when the ground plug lamp is inserted into the ground. The vertical plate portions can also hinder the shaking of the ground insertion column relative to the ground. The reverse buckle structure is arranged on the outer side wall of the ground insertion column. After the ground insertion column is inserted into the ground, the reverse buckle structure can increase the friction between the ground insertion column and the ground. The ground insertion column is less likely to be accidentally loosened and pulled out under the action of external force, thereby further improving the firmness of the ground plug lamp after being inserted into the ground.

[0006] According to some embodiments of the utility model, the reverse buckle structure includes at least two reverse buckle grooves. All the vertical plate portions are provided with the reverse buckle grooves.

[0007] According to some embodiments of the utility model, the height positions of the reverse buckle grooves of the at least two vertical plate portions are different.

[0008] According to some embodiments of the utility model, the reverse buckle grooves are inverted trapezoidal. The reverse buckle grooves pass through the vertical plate portions. The depth direction of the reverse buckle grooves is arranged along the horizontal direction.

[0009] According to some embodiments of the present application, the undercut structure comprises an undercut bump, and all the vertical plate portions are provided with the undercut bump.

[0010] According to some embodiments of the present application, the heights of the undercut bumps of the at least two vertical plate portions are different.

[0011] According to some embodiments of the present application, the undercut structure comprises an undercut groove and an undercut bump, and the undercut groove and the undercut bump are located at different side walls of the vertical plate portion.

[0012] According to some embodiments of the present application, the lamp body comprises a housing, a panel and a light emitting assembly, the housing is provided with a receiving groove, the panel is arranged on the housing and covers the groove opening of the receiving groove, the panel is provided with a light transmission piece, the light emitting assembly is arranged on the housing or the panel, the light emitting assembly is located in the receiving groove, and the light emitting side of the light emitting assembly faces the light transmission piece; the housing is provided with a sealing groove around the groove opening of the receiving groove, the panel is provided with a sealing strip portion around the groove opening of the receiving groove, and the sealing strip portion is embedded in the sealing groove.

[0013] According to some embodiments of the present application, the lamp body comprises a housing, a panel and a light emitting assembly, the housing is provided with a receiving groove, the panel is arranged on the housing and covers the groove opening of the receiving groove, the panel is provided with a light transmission piece, the light emitting assembly is arranged on the housing or the panel, the light emitting assembly is located in the receiving groove, and the light emitting side of the light emitting assembly faces the light transmission piece; the panel comprises a first plate body, a second plate body and a light transmission piece, the first plate body is provided with a first light through hole, the light transmission piece is arranged in the first light through hole, the light transmission piece is provided with a bump portion around the outer periphery, the bump portion is located around the hole opening of the first light through hole, the second plate body is arranged on the first plate body, the second plate body is provided with a second light through hole, the second light through hole is opposite to the first light through hole, and the first plate body and the second plate body clamp the bump portion.

[0014] According to some embodiments of the present application, the mounting seat further comprises a connecting rod, a plug-in hole is arranged at the lower end of the connecting rod, the upper end of the plug-in hole is inserted into the plug-in hole, and the upper end of the connecting rod is rotationally connected with the lamp body.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present utility model will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the references to the following drawings, of which:

[0017] Figure 1 It is a three-dimensional schematic view of the ground plug lamp of the embodiment of the present utility model;

[0018] Figure 2 It is a three-dimensional schematic view of the ground plug lamp of the embodiment of the present utility model; Figure 1 It is a sectional view schematic view of the A-A direction of the ground plug lamp of the embodiment of the present utility model;

[0019] Figure 3 It is a sectional view schematic view of the A-A direction of the ground plug lamp of the embodiment of the present utility model; Figure 2 It is a local enlarged schematic view of the B of the ground plug lamp of the embodiment of the present utility model.

[0020] Reference signs:

[0021] Lamp main body 100, shell 110, accommodating groove 111, sealing groove 112, panel 120, light-transmitting piece 121, bump part 1211, sealing strip part 122, first plate body 123, first light through hole 1231, sink 1232, second plate body 124, second light through hole 1241, light-emitting assembly 130, photovoltaic panel 140;

[0022] Mounting seat 200, ground plug column 210, vertical plate part 211, reverse buckle structure 212, reverse buckle groove 2121, reverse buckle bump 2122, connecting rod 220, stop plate part 221. DETAILED DESCRIPTION

[0023] The embodiments of the present utility model will be described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present utility model, and cannot be understood as limiting the present utility model.

[0024] In the description of the present utility model, it is understood that the orientation description, such as the orientation or position relationship of the upper, lower, etc. is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as limiting the present utility model.

[0025] In the description of the present utility model, the multiple refers to two or more. If there is a description of the first, the second, only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0026] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing, connecting should be understood broadly, and the specific meaning of the above words in the utility model can be determined by the person skilled in the art in combination with the specific content of the technical scheme.

[0027] Referring to Figures 1 to 3 The utility model discloses a ground inserting lamp, including lamp main body 100 and mounting seat 200. Mounting seat 200 sets up at lamp main body 100 and is located at the downside of lamp main body 100, and the lower part of mounting seat 200 is provided with ground insertion column 210, and ground insertion column 210 extends along up and down direction and is provided, and ground insertion column 210 includes at least two vertical plate parts 211 along up and down direction, and all vertical plate parts 211 are mutually included angle and are connected, and the outer side wall of ground insertion column 210 is provided with reverse buckling structure 212.

[0028] When ground insertion lamp is inserted into the ground through the ground insertion column 210 of mounting seat 200, the vertical plate part 211 of the plurality of mutual included angle can increase the overall friction of ground insertion column 210 and the ground, and the vertical plate part 211 can also hinder the shaking of ground insertion column 210 relative to the ground, and the outer side wall of ground insertion column 210 is provided with reverse buckling structure 212, after ground insertion column 210 is inserted into the ground, the reverse buckling structure 212 can increase the friction between ground insertion column 210 and the ground, so that ground insertion column 210 is not easy to be accidentally loosened and pulled out under external force, thereby further improving the firmness of ground insertion lamp after being inserted into the ground.

[0029] Specifically, ground insertion column 210 includes two vertical plate parts 211, and the two vertical plate parts 211 are perpendicular to each other, and the middle parts of the two vertical plate parts 211 are connected to each other, so that the cross section of ground insertion column 210 is cross-shaped. It can be imagined that ground insertion column 210 can also include three, four or more vertical plate parts 211, and the person skilled in the art can select according to actual needs.

[0030] Specifically, the lower end of ground insertion column 210 is a sharp end, which facilitates reducing the resistance when inserted into the muddy ground.

[0031] In the embodiment, the reverse buckling structure 212 includes four reverse buckling grooves 2121, and all vertical plate parts 211 are provided with reverse buckling grooves 2121. The reverse buckling structure 212 is formed through the reverse buckling grooves 2121, so that each vertical plate part 211 can pass through the reverse buckling groove 2121, further increasing the friction between the muddy ground, that is, the firmness of ground insertion lamp after being inserted into the ground can be significantly improved.

[0032] Specifically, the opposite sides of each vertical plate part 211 are provided with reverse buckling grooves 2121, so that the opposite sides of the vertical plate part 211 are relatively uniform in stress. It can be imagined that in other embodiments, the reverse buckling grooves 2121 can also be provided on part of the vertical plate part 211, or each vertical plate part 211 can be provided with one, three, four or more reverse buckling grooves 2121, which can be specifically configured by those skilled in the art according to actual needs.

[0033] In embodiments, the height positions of the reverse buckling grooves 2121 of the two vertical plate parts 211 are different, and after the ground insertion lamp 210 is inserted into the ground, different depths of soil can be contacted through the reverse buckling grooves 2121, reducing the risk of insufficient friction between the soil of part of the depth and the reverse buckling grooves 2121, and further improving the firmness of the ground insertion lamp after being inserted into the ground. Specifically, the reverse buckling groove 2121 of one of the vertical plate parts 211 is higher than the reverse buckling groove 2121 of the other vertical plate part 211. It can be imagined that in other embodiments, the heights of the reverse buckling grooves 2121 of all vertical plate parts 211 can also be the same, which can be specifically selected by those skilled in the art according to actual needs.

[0034] In embodiments, the reverse buckling groove 2121 is in the shape of an inverted trapezoid, the reverse buckling groove 2121 penetrates the vertical plate part 211, and the depth direction of the reverse buckling groove 2121 is arranged along the horizontal direction. The above-mentioned reverse buckling groove 2121 has the advantages of simple structure, convenient processing and manufacturing, and good use effect. It can be imagined that in other embodiments, the reverse buckling groove 2121 can also be in the shape of an arc, a rectangle or other polygons, which can be specifically selected by those skilled in the art according to actual needs.

[0035] In embodiments, the reverse buckling structure 212 includes reverse buckling protrusions 2122, and all vertical plate parts 211 are provided with reverse buckling protrusions 2122. The reverse buckling structure 212 is formed by the reverse buckling protrusions 2122, and when the ground insertion lamp is subjected to external force, the reverse buckling protrusions 2122 can further hinder the soil, so that the ground insertion lamp is not easily loosened and pulled out by external force.

[0036] In embodiments, the height positions of the reverse buckling protrusions 2122 of the two vertical plate parts 211 are different, and different depths of soil can be contacted through the reverse buckling protrusions 2122, reducing the risk of insufficient friction between the soil of part of the depth and the reverse buckling protrusions 2122, thereby further improving the firmness of the ground insertion lamp after being inserted into the ground. Specifically, the reverse buckling protrusion 2122 of one of the vertical plate parts 211 is higher than the reverse buckling protrusion 2122 of the other vertical plate part 211. It can be imagined that in other embodiments, the heights of the reverse buckling protrusions 2122 of all vertical plate parts 211 can also be the same, which can be specifically selected by those skilled in the art according to actual needs.

[0037] Specifically, each vertical plate part 211 is also arranged with two rows of reverse buckling protrusions 2122 in the up-down direction.

[0038] In the embodiment, the undercut structure 212 includes an undercut groove 2121 and an undercut protrusion 2122, which are located at different side walls of the vertical plate part 211. By arranging the undercut groove 2121 and the undercut protrusion 2122 on the ground insertion column 210 and locating them at different side walls of the vertical plate part 211, the friction between the ground insertion column 210 and the soil can be better increased, and the applicability of the ground insertion column 210 can be improved, so that the ground insertion lamp can be more firmly inserted and fixed on the soil surface with different compositions.

[0039] Specifically, the lower side of the undercut protrusion 2122 is provided with an inclined guide surface, the upper side of the undercut protrusion 2122 is provided with a horizontal stop surface, and the size of the undercut protrusion 2122 has a decreasing trend from top to bottom. When the ground insertion column 210 is inserted into the soil surface downward, the guide surface can reduce the resistance of the soil, facilitating the installation of the ground insertion lamp. When the ground insertion lamp is subjected to an external force, the stop surface can better contact the soil, so that the ground insertion column 210 is not easily loosened and pulled out.

[0040] In the embodiment, the lamp body 100 includes a housing 110, a panel 120, and a light emitting assembly 130. The housing 110 is provided with a receiving groove 111. The panel 120 is arranged on the housing 110 and covers the groove opening of the receiving groove 111. The panel 120 is provided with a light transmission piece 121. The light emitting assembly 130 is arranged on the panel 120 and located in the receiving groove 111. The light emitting side of the light emitting assembly 130 faces the light transmission piece 121. The housing 110 is provided with a sealing groove 112 around the groove opening of the receiving groove 111. The panel 120 is provided with a sealing strip part 122 around the groove opening of the receiving groove 111. The sealing strip part 122 is embedded in the sealing groove 112. Through the concave-convex cooperation of the sealing groove 112 and the sealing strip part 122, a labyrinth sealing structure is formed, so that the panel 120 can better seal the groove opening of the receiving groove 111, and the waterproof effect is better.

[0041] Further, the housing 110 and the panel 120 can be made of plastic material and can be ultrasonically welded with each other, so as to further improve the waterproof sealing effect.

[0042] Specifically, the light emitting assembly 130 can be a lamp panel, a lamp strip, a lamp bead, or a light emitting diode, etc., which is not limited here.

[0043] In the embodiment, the lamp body 100 comprises a shell 110, a panel 120 and a light emitting assembly 130, the shell 110 is provided with a receiving groove 111, the panel 120 is arranged on the shell 110 and covers the slot of the receiving groove 111, the panel 120 is provided with a light transmission piece 121, the light emitting assembly 130 is arranged on the shell 110 or the panel 120, the light emitting assembly 130 is located in the receiving groove 111, and the light emitting side of the light emitting assembly 130 faces the light transmission piece 121; the panel 120 comprises a first plate body 123, a second plate body 124 and the light transmission piece 121, the first plate body 123 is provided with a first light through hole 1231, the light transmission piece 121 penetrates through the first light through hole 1231, the outer periphery of the light transmission piece 121 is provided with a protruding block part 1211, the protruding block part 1211 is located at the hole edge of the first light through hole 1231, the second plate body 124 is arranged on the first plate body 123, the second plate body 124 is provided with a second light through hole 1241, the second light through hole 1241 is opposite to the first light through hole 1231, and the first plate body 123 and the second plate body 124 clamp the protruding block part 1211. Specifically, the light transmission piece 121 is a lens. The first plate body 123 and the second plate body 124 clamp the protruding block part 1211 arranged around the outer periphery of the lens, so that a labyrinth sealing structure is formed, the panel 120 can have a better sealing and waterproof effect, rainwater outside is not easy to enter the receiving groove 111 through the panel 120, the risk that the internal components of the lamp body 100 are damaged by rainwater is reduced, and the service life is improved.

[0044] Specifically, the first plate body 123 is provided with a sink 1232 at the hole edge of the first light through hole 1231, and the protruding block part 1211 of the lens is partially accommodated in the sink 1232, so as to reduce the thickness of the panel 120. Further, the first plate body 123, the lens and the second plate body 124 can be made of plastic material, and can be further connected together by ultrasonic welding, so as to further reduce the gap between them and further improve the waterproof sealing effect.

[0045] Specifically, the first plate body 123, the second plate body 124 and the light emitting assembly 130 can be fixedly connected together by screw locking. It can be imagined that in other embodiments, the light emitting assembly 130 can also be arranged at the shell 110.

[0046] In the embodiment, the mounting seat 200 further comprises a connecting rod 220, the lower end of the connecting rod 220 is provided with a plug-in hole, the upper end of the plug-in column 210 is plug-in arranged in the plug-in hole, and the upper end of the connecting rod 220 is rotationally connected with the lamp body 100. The lower end of the connecting rod 220 is plug-in matched with the plug-in column, the assembly structure is simple; the upper end of the connecting rod 220 is rotationally connected with the lamp body 100, that is, the lamp body 100 can rotate relative to the mounting seat 200, the light emitting direction of the lamp body 100 is convenient to adjust, and the lighting adjustment is more convenient.

[0047] Specifically, the lower end of the connecting rod 220 is provided with a stop plate part 221 on the outer periphery side, and the stop plate part 221 is used to limit the insertion depth of the ground insertion column 210, so as to avoid that the mounting seat 200 is inserted into the ground too deeply.

[0048] Specifically, the upper end of the connecting rod 220 is connected with the lamp body 100 through a ball joint, so that the angle rotation adjustment effect of the lamp body 100 is more flexible. It can be imagined that a rotating shaft can also be arranged on the lamp body 100, and a shaft hole is arranged on the upper end of the connecting rod 220, and the rotating shaft is arranged in the shaft hole, so that the two are rotatably connected.

[0049] Specifically, the lamp body 100 is also provided with a locking pin, which can lock the angle position of the lamp body 100 relative to the mounting seat 200.

[0050] In the embodiment, the upper side of the lamp body 100 is also provided with a photovoltaic panel 140, and a storage battery can be arranged in the shell 110. The photovoltaic panel 140 can charge the storage battery under sunlight, so that the ground insertion lamp does not need to be additionally connected to electricity.

[0051] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A ground plug light, comprising: The lamp body (100) comprises: The mounting seat (200) is arranged on the lower side of the lamp body (100), and the lower part of the mounting seat (200) is provided with a ground insertion column (210) extending in the up-down direction, wherein the ground insertion column (210) comprises at least two vertical plate portions (211) arranged in the up-down direction, all the vertical plate portions (211) are mutually intersected at an angle and connected, and the outer side wall of the ground insertion column (210) is provided with a reverse buckle structure (212). The reverse buckle structure (212) comprises at least two reverse buckle grooves (2121), and all the vertical plate portions (211) are provided with the reverse buckle grooves (2121).

2. The landscape light of claim 1, wherein: The height positions of the reverse buckle grooves (2121) of the at least two vertical plate portions (211) are different.

3. The landscape light of claim 2, wherein: The reverse buckle grooves (2121) are inverted trapezoidal, the reverse buckle grooves (2121) penetrate the vertical plate portions (211), and the depth direction of the reverse buckle grooves (2121) is arranged in the horizontal direction.

4. The landscape light of claim 2, wherein: The reverse buckle structure (212) comprises a reverse buckle protrusion (2122), and all the vertical plate portions (211) are provided with the reverse buckle protrusion (2122).

5. The landscape light of claim 1, wherein: The height positions of the reverse buckle protrusions (2122) of the at least two vertical plate portions (211) are different.

6. The landscape light of claim 5, wherein: The reverse buckle structure (212) comprises the reverse buckle grooves (2121) and the reverse buckle protrusions (2122), and the reverse buckle grooves (2121) and the reverse buckle protrusions (2122) are located on different side walls of the vertical plate portions (211).

7. The landscape light of claim 1, wherein: The lamp body (100) comprises a shell (110), a panel (120) and a light emitting assembly (130), the shell (110) is provided with a containing groove (111), the panel (120) is arranged on the shell (110) and covers the groove opening of the containing groove (111), the panel (120) is provided with a light transmission piece (121), the light emitting assembly (130) is arranged on the shell (110) or the panel (120), the light emitting assembly (130) is located in the containing groove (111), and the light emitting side of the light emitting assembly (130) faces the light transmission piece (121); the shell (110) is provided with a sealing groove (112) around the groove opening of the containing groove (111), the panel (120) is provided with a sealing strip portion (122) around the groove opening of the containing groove (111), and the sealing strip portion (122) is embedded in the sealing groove (112).

8. The landscape light of claim 1, wherein: ​ 9. The landscape light of claim 1, wherein: The lamp body (100) comprises a shell (110), a panel (120) and a light-emitting assembly (130), the shell (110) is provided with a containing groove (111), the panel (120) is arranged on the shell (110) and covers the slot opening of the containing groove (111), the panel (120) is provided with a light-transmitting piece (121), the light-emitting assembly (130) is arranged on the shell (110) or the panel (120), the light-emitting assembly (130) is located in the containing groove (111), and the light-emitting side of the light-emitting assembly (130) faces the light-transmitting piece (121); the panel (120) comprises a first plate body (123), a second plate body (124) and the light-transmitting piece (121), the first plate body (123) is provided with a first light through hole (1231), the light-transmitting piece (121) is arranged in the first light through hole (1231), the outer periphery of the light-transmitting piece (121) is provided with a protruding block part (1211), the protruding block part (1211) is located at the hole opening periphery of the first light through hole (1231), and the second plate body (124) is arranged on the first plate body (123). The second plate body (124) is provided with a second light through hole (1241), the second light through hole (1241) is opposite to the first light through hole (1231), and the first plate body (123) and the second plate body (124) clamp the protruding block part (1211).

10. The landscape light of claim 1, wherein: The mounting seat (200) further comprises a connecting rod (220), the lower end of the connecting rod (220) is provided with a plug hole, the upper end of the plug-in column (210) is plugged into the plug hole, and the upper end of the connecting rod (220) is rotationally connected with the lamp body (100).