Lamp with high waterproof grade

Abstract

The utility model relates to a lamp with a high waterproof grade, which comprises a lamp body and an end cover assembly, and is characterized in that the end cover assembly comprises a fixed cover, a movable cover, a first sealing ring and a second sealing ring, and the fixed cover comprises a fixed ring, a connecting cover and a positioning cover; the fixing ring is restrained in the lamp body and provided with a threaded hole. The connecting cover is provided with an inserting part, a through hole, an extending part and a blocking part, the inserting part is inserted into the lamp body, the blocking part abuts against the outer end face of the lamp body, and the extending part extends out of the lamp body; the positioning cover is provided with a threaded column, a threading hole and a pressing edge, the threaded column penetrates through the penetrating hole and then is in threaded connection with the threaded hole of the fixing ring, and the pressing edge is pressed on the outer end face of the connecting cover. The first sealing ring is pressed between the insertion part and the fixing ring and is in expansion sealing fit with the inner cavity wall of the lamp body; the movable cover is sleeved and connected to the extending part in a buckled mode, and sealing is formed between the second sealing ring and the inner wall of the movable cover. The lamp is better in waterproof sealing effect, and the end cover can be detached without screws.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lamp, especially to a high waterproof grade lamp, which is suitable for factory warehouse, underground parking garage, corridor and other places. BACKGROUND

[0002] LED is a semiconductor device that can convert electrical energy into light energy, and is widely used in various lighting lamps due to its high efficiency, low energy consumption and long service life. These lamps have become indispensable lighting appliances in people's life and work. The three-proof lamp is a lamp that uses LED as a light source. Because the three-proof lamp has the advantages of waterproof, dustproof and corrosion resistance, the three-proof lamp is generally used in harsh environments, such as places with strong corrosion, more dust and high humidity.

[0003] A patent number ZL201720337741.8 (publication number CN206817233U) discloses a three-proof lamp, which comprises a lamp body, a radiator, a light source assembly, a lampshade, a driving power supply and an emergency assembly. The lamp body is connected with the radiator, and the lamp body and the radiator form an installation cavity. The light source assembly is located outside the installation cavity and is arranged on the radiator. The lampshade is connected with the lamp body and wraps the light source assembly and the radiator in the lampshade. Both ends of the lamp body and the lampshade are open structures, and both ends of the lamp body and the lampshade are sealed by end covers and end cover sealing rings. The end cover sealing ring is arranged between the end cover and the opening. After the lamp body and the lampshade are connected, the end cover sealing ring is placed at both ends of the lamp body, the end cover is pressed on the end cover sealing ring, and the end cover is connected with the lamp body by screws.

[0004] The existing end cover is fixed by screws, and tools are needed for disassembly and assembly. Moreover, there are multiple screws, which is time-consuming for disassembly and assembly. In addition, there is only one sealing position, and the entire lamp body is exposed during disassembly, maintenance and wiring.

[0005] In summary, the existing three-proof lamp can be further improved. UTILITY MODEL CONTENT

[0006] The utility model solves the technical problem in the prior art and provides a high waterproof grade lamp with reasonable structure, better waterproof sealing effect and screw-free disassembly of the end cover.

[0007] The utility model discloses a technical scheme that solves the above technical problems: a high waterproof grade lamp, including lamp body, the left and right ends of lamp body are equipped with end cover subassembly, its characterized in that: end cover subassembly includes fixed lid, movable cover, first sealing washer and second sealing washer, fixed lid includes fixed ring, connecting cover, locating cover, the fixed ring is constrained in lamp body and can not rotate axially mobile, and fixed ring has the thread hole, connecting cover has inserted part, perforation, extension and stop, the stop is located between inserted part and extension and protrudes outward, inserted part inserts and is constrained in lamp body and can not rotate, and inserted part is opposite with fixed ring, and the stop is against the outer end surface of lamp body, and the extension is annular and extends out lamp body, and the connecting cover is installed with terminal, the locating cover has the thread column, the wire hole and the protruding pressing edge, the thread column is passed through the wire hole of connecting cover and is screwed with the thread hole of fixed ring, and the pressing edge is pressed on the end surface of connecting cover, the first sealing washer is pressed between inserted part and fixed ring and is sealed with the inner cavity wall of lamp body, the second sealing washer is set on the extension, the movable cover is buckled and connected on the extension, the second sealing washer and movable cover inner wall form the seal, and the terminal is exposed in movable cover.

[0008] Further improvement, the outer end surface of the fixed ring has a first arc-shaped protruding rib, the inner end surface of the inserted part is provided with a second arc-shaped protruding rib opposite to the first arc-shaped protruding rib, the top surfaces of the first arc-shaped protruding rib and the second arc-shaped protruding rib are inclined surfaces, the first sealing washer is arranged between the first arc-shaped protruding rib and the second arc-shaped protruding rib, and when the inserted part approaches the fixed ring, the first sealing washer can be extruded by the top surfaces of the first arc-shaped protruding rib and the second arc-shaped protruding rib to be tightened on the inner cavity wall of the lamp body.

[0009] To realize the circumferential constraint of the fixed ring in the lamp body, so that it cannot rotate around its own axis, a plurality of protruding guide ribs are arranged on the inner wall of the lamp body, a plurality of guide grooves corresponding to the guide ribs are arranged on the outer circumferential wall of the fixed ring, and the guide ribs are inserted into the corresponding guide grooves to constrain the rotation of the fixed ring.

[0010] To facilitate the rotation and tightening of the locating cover, as an improvement, an outer protruding wrench part is arranged on the outer end surface of the locating cover to facilitate the rotation of the locating cover. The wrench part makes it easier to rotate the locating cover, and it does not need additional tools.

[0011] As an improvement, the extension part of the connecting cover is provided with a mounting groove, the second sealing ring is sleeved in the mounting groove, the second sealing ring has a rectangular base part, the top surface of the base part is provided with an upwardly inclined lip part, and the lip part is in abutment with the inner wall of the movable cover to form a seal. The structure of the second sealing ring can form a better sealing effect between the second sealing ring and the inner wall of the movable cover, and improve the waterproof performance.

[0012] Further improvement, the fixed cover further comprises a mounting cover, the mounting cover is buckled in the inner hole of the extension part and covers the inner hole, and the wiring terminal is mounted on the mounting cover. The mounting cover provides a suitable mounting position for the wiring terminal, and during assembly, the wiring terminal can be mounted on the mounting cover first, and then the mounting cover is buckled with the extension part, and the assembly operation is more convenient.

[0013] As a preferred, the mounting cover is provided with a mounting hole, and the wiring terminal is buckled in the mounting hole. The buckling mode facilitates the mounting of the wiring terminal on the mounting cover.

[0014] As a specific structure of detachable connection between the movable cover and the connecting cover, the inner wall of the movable cover is provided with a plurality of L-shaped clamping ribs, the outer peripheral wall of the extension part is provided with a plurality of L-shaped clamping grooves matched with the clamping ribs, the clamping grooves have transverse groove parts and vertical groove parts in communication with each other, the width dimension of the vertical groove part is greater than that of the transverse rib part of the clamping rib, the transverse rib part of the clamping rib is inserted into the transverse groove part of the clamping groove, and the vertical rib part of the clamping rib is located in the vertical groove part, so as to complete the buckling connection.

[0015] In order to prevent the movable cover from being easily loosened after installation, the transverse groove part is provided with a positioning protrusion, the transverse rib part of the clamping rib is provided with an inwardly recessed positioning clamping groove, and in the state that the movable cover is buckled on the extension part, the positioning protrusion is buckled into the positioning clamping groove. The clamping of the positioning protrusion and the positioning clamping groove makes it necessary to rotate the movable cover with a certain torque to disassemble and assemble the movable cover.

[0016] Compared with the prior art, the advantages of this utility model are as follows: The end cap assembly of this lamp includes a fixed cap, a movable cap, a first sealing ring, and a second sealing ring. The installation process of the end cap assembly is as follows: First, the fixed ring is constrained within the lamp body. Then, the connecting cap with an insertion part is inserted and constrained within the lamp body. The insertion part is positioned opposite to the fixed ring, and the stop part abuts against the outer end face of the lamp body. Next, the threaded post of the positioning cap is movably passed through the through hole of the connecting cap and threadedly connected to the threaded hole of the fixed ring. While rotating the positioning cap, under the action of the thread, the fixed ring moves axially towards the insertion part of the connecting cap, and the pressing edge of the positioning cap presses against the outer end face of the connecting cap, thus securely positioning the fixed cap and the movable cap. At the same time, the first sealing ring is pressed between the insertion part and the fixed ring and tightens and seals with the inner cavity wall of the lamp body, thereby allowing the fixed cap to be installed on the lamp body. Finally, the movable cap is fitted and snapped onto the extension part, forming a seal between the second sealing ring and the inner wall of the movable cap. This end cap assembly abandons the traditional screw-based connection method, making assembly of each component more convenient. The end cap assembly is divided into multiple sub-components; for partial maintenance, there's no need to open the entire end cap. For wiring maintenance, simply rotate the movable cover to open it. Disassembly of the movable cover is easier than screw-based installation, and the overall appearance is simple and elegant. After removing the movable cover, a fixed cover is provided at the end of the lamp body to protect the internal lamp housing. The wiring terminals protrude from the fixed cover; after removing the movable cover, wiring operations can be performed. Importantly, the end cap assembly uses a first and second sealing ring to further enhance the waterproof rating of this lamp. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model;

[0018] Figure 2 This is a partial cross-sectional view of an embodiment of the present utility model;

[0019] Figure 3 This is a partial exploded view of the movable cover being assembled onto the fixed cover in an embodiment of the present invention. Figure 1 ;

[0020] Figure 4 This is a partial exploded view of the movable cover being assembled onto the fixed cover in an embodiment of the present invention. Figure 2 ;

[0021] Figure 5 This is an exploded perspective view of an embodiment of the present utility model. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0023] like Figures 1-5As shown, it is one preferred embodiment of the utility model.

[0024] A high waterproof grade lamp, including lamp body 1, the left and right two ends of lamp body 1 are equipped with end cover assembly, and lamp body 1 is equipped with lamp strip 8 and other electrical elements, and the basic structure of lamp body 1 can refer to the existing structure.

[0025] End cover assembly includes fixed cover 2, movable cover 3, first sealing ring 5a and second sealing ring 5b, fixed cover 2 includes fixed ring 2a, connecting cover 2b, positioning cover 2c;Fixed ring 2a is constrained in lamp body 1 and can not rotate and can move axially, and fixed ring 2a has threaded hole 2a1;A plurality of protruding guide ribs 6a are arranged on the inner wall of lamp body 1, and the outer peripheral wall of fixed ring 2a is provided with a plurality of guide grooves 6b corresponding to each guide rib 6a, and the guide rib 6a is inserted into the corresponding guide groove 6b to constrain the rotation of fixed ring 2a.

[0026] Connecting cover 2b has insertion part 2b1, perforation 2b2, extension part 2b3 and stop part 2b4, stop part 2b4 is located between insertion part 2b1 and extension part 2b3 and protrudes outward, insertion part 2b1 is inserted and constrained in lamp body 1 and can not rotate, insertion part 2b1 is arranged opposite to fixed ring 2a, stop part 2b4 abuts against the outer end surface of lamp body 1, extension part 2b3 is annular and extends outward from lamp body 1, and connecting cover 2b is provided with wiring terminal 4;Positioning cover 2c has threaded column 2c1, threading hole 2c2 and outward protruding pressing edge 2c3, the outer end surface of positioning cover 2c is provided with outward protruding wrench part 2c4 for facilitating hand wrenching to rotate, threaded column 2c1 is threadedly connected with threaded hole 2a1 of fixed ring 2a after being movably threaded through perforation 2b2 of connecting cover 2b, and pressing edge 2c3 is pressed on the end surface of connecting cover 2b;First sealing ring 5a is pressed between insertion part 2b1 and fixed ring 2a and is tightly sealed with the inner cavity wall of lamp body 1;Second sealing ring 5b is sleeved on extension part 2b3, movable cover 3 is sleeved and buckled on extension part 2b3, a seal is formed between second sealing ring 5b and the inner wall of movable cover 3, and wiring terminal 4 is exposed in movable cover 3.

[0027] The outer end surface of fixed ring 2a has first arc-shaped convex rib 2a2, the inner end surface of insertion part 2b1 is provided with second arc-shaped convex rib 2b11 opposite to first arc-shaped convex rib 2a2, the top surfaces of first arc-shaped convex rib 2a2 and second arc-shaped convex rib 2b11 are inclined surfaces, first sealing ring 5a is arranged between first arc-shaped convex rib 2a2 and second arc-shaped convex rib 2b11, and first sealing ring 5a can be extruded and tightened on the inner cavity wall of lamp body 1 by the top surfaces of first arc-shaped convex rib 2a2 and second arc-shaped convex rib 2b11 during the approach of insertion part 2b1 and fixed ring 2a.

[0028] The outer peripheral wall of the extension part 2b3 of the connecting cover 2b is provided with a mounting groove 2b31, and the second sealing ring 5b is sleeved in the mounting groove 2b31, wherein the second sealing ring 5b has a rectangular base body part 5b1, and the top surface of the base body part 5b1 is provided with an upwardly inclined lip part 5b2, and the lip part 5b2 is in abutment with the inner wall of the movable cover 3 to form a seal.

[0029] The fixed cover 2 further comprises a mounting cover 2d which is snap-connected in the inner hole of the extension part 2b3 and covers the inner hole, and the wiring terminal 4 is mounted on the mounting cover 2d. The mounting cover 2d is provided with a mounting hole 2d1, and the wiring terminal 4 is snap-mounted in the mounting hole 2d1.

[0030] The inner wall of the movable cover 3 is provided with a plurality of L-shaped clamping ribs 7a, and the outer peripheral wall of the extension part 2b3 is provided with a plurality of L-shaped clamping grooves 7b which are matched with the clamping ribs 7a, and the clamping grooves 7b have transverse groove parts 7b1 and vertical groove parts 7b2 which are in communication with each other, the width dimension of the vertical groove parts 7b2 is greater than the transverse rib part 7a1 of the clamping rib 7a, the transverse rib part 7a1 of the clamping rib 7a is inserted into the transverse groove part 7b1 of the clamping groove 7b, and the vertical rib part 7a2 of the clamping rib 7a is located in the vertical groove part 7b2, thereby completing the snap-connection. The transverse groove part 7b1 is provided with a positioning protrusion 7b3, and the transverse rib part 7a1 of the clamping rib 7a is provided with an inwardly recessed positioning clamping groove 7a3, and in the state that the movable cover 3 is snap-connected on the extension part 2b3, the positioning protrusion 7b3 is clamped into the positioning clamping groove 7a3.

[0031] The mounting process of the end cover assembly is as follows: first, the fixing ring 2a is constrained in the lamp body 1, the guide rib 6a is inserted into the corresponding guide groove 6b to constrain the rotation of the fixing ring 2a, then the connecting cover 2b with the insertion part 2b1 is inserted and constrained in the lamp body 1, the insertion part 2b1 is arranged opposite to the fixing ring 2a, the blocking part 2b4 of the connecting cover 2b abuts against the outer end surface of the lamp body 1, then the threaded column 2c1 of the positioning cover 2c is movably inserted through the perforation 2b2 of the connecting cover 2b and is threadedly connected with the threaded hole 2a1 of the fixing ring 2a, while rotating the positioning cover 2c, under the thread transmission action, the fixing ring 2a is axially close to the insertion part 2b1 of the connecting cover 2b, and the pressing edge 2c3 of the positioning cover 2c is pressed against the outer end surface of the connecting cover 2b, thereby the positioning cover 2c firmly positions the fixed cover 2 and the movable cover 3. At the same time, the first sealing ring 5a is pressed between the insertion part 2b1 and the fixing ring 2a, and the first sealing ring 5a can be extruded by the top surfaces of the first arc-shaped protruding rib 2a2 and the second arc-shaped protruding rib 2b11 to be tightened on the inner cavity wall of the lamp body 1, thereby enabling the mounting of the fixed cover 2 on the lamp body 1. Finally, the movable cover 3 is sleeved and snap-connected on the extension part 2b3, and the second sealing ring 5b forms a seal with the inner wall of the movable cover 3.

[0032] The end cover assembly discards the traditional end cover connection mode by screws, and the assembly of each component is more convenient; the end cover assembly is divided into multiple components, when local maintenance is required, the end cover assembly does not need to be opened as a whole, such as Figure 3 、 4 As shown, when wiring maintenance is required, only the movable cover 3 needs to be rotated and opened, and the disassembly of the movable cover 3 is more convenient than screw disassembly, and the overall appearance is simple and elegant; after the movable cover 3 is disassembled, the end of the lamp body 1 is provided with a fixed cover 2 for covering, which plays a role in protecting the internal lamp body of the lamp body 1, and the wiring terminal 4 protrudes outward from the fixed cover 2, and after the movable cover 3 is removed, wiring operation can be performed. Importantly, the end cover assembly passes through two seals of the first sealing ring 5a and the second sealing ring 5b, further improving the waterproof level of the lamp.

[0033] It should be noted that in the description of the present embodiment, the terms "front, rear, left, right, inner, outer, upper and lower" indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A high waterproof grade lamp, comprising a lamp body (1), the left and right ends of the lamp body (1) are provided with end cover assemblies, characterized in that: The end cover assembly comprises a fixed cover (2), a movable cover (3), a first sealing ring (5a) and a second sealing ring (5b), the fixed cover (2) comprises a fixed ring (2a), a connecting cover (2b) and a positioning cover (2c); the fixed ring (2a) is constrained in the lamp body (1) and cannot rotate and can move axially, the fixed ring (2a) has a threaded hole (2a1); the connecting cover (2b) has an insertion part (2b1), a through hole (2b2), an extension part (2b3) and a blocking part (2b4), the blocking part (2b4) is located between the insertion part (2b1) and the extension part (2b3) and protrudes outward, the insertion part (2b1) is inserted and constrained in the lamp body (1) and cannot rotate, the insertion part (2b1) is arranged opposite to the fixed ring (2a), the blocking part (2b4) abuts against the outer end surface of the lamp body (1), the extension part (2b3) is annular and extends outward from the lamp body (1), and the connecting cover (2b) is provided with a wiring terminal (4); the positioning cover (2c) has a threaded column (2c1), a threading hole (2c2) and a protruding pressing edge (2c3), the threaded column (2c1) passes through the through hole (2b2) of the connecting cover (2b) and is threadedly connected with the threaded hole (2a1) of the fixed ring (2a), and the pressing edge (2c3) is pressed against the end surface of the connecting cover (2b); the first sealing ring (5a) is pressed between the insertion part (2b1) and the fixed ring (2a) and is tightly sealed with the inner cavity wall of the lamp body (1); the second sealing ring (5b) is sleeved on the extension part (2b3), the movable cover (3) is sleeved and buckled on the extension part (2b3), a seal is formed between the second sealing ring (5b) and the inner wall of the movable cover (3), and the wiring terminal (4) is exposed in the movable cover (3).

2. The high waterproof rated luminaire of claim 1, wherein: The outer end surface of the fixed ring (2a) is provided with a first arc-shaped protruding rib (2a2), the inner end surface of the insertion part (2b1) is provided with a second arc-shaped protruding rib (2b11) arranged opposite to the first arc-shaped protruding rib (2a2), the top surfaces of the first arc-shaped protruding rib (2a2) and the second arc-shaped protruding rib (2b11) are inclined surfaces, the first sealing ring (5a) is arranged between the first arc-shaped protruding rib (2a2) and the second arc-shaped protruding rib (2b11), and during the approaching of the insertion part (2b1) and the fixed ring (2a), the first sealing ring (5a) can be extruded by the top surfaces of the first arc-shaped protruding rib (2a2) and the second arc-shaped protruding rib (2b11) and be tightly pressed against the inner cavity wall of the lamp body (1).

3. The high waterproof rated luminaire of claim 1, wherein: A plurality of protruding guide ribs (6a) are arranged on the inner wall of the lamp body (1), and a plurality of guide grooves (6b) corresponding to the guide ribs (6a) are arranged on the outer peripheral wall of the fixed ring (2a), the guide ribs (6a) are inserted into the corresponding guide grooves (6b) to constrain the rotation of the fixed ring (2a).

4. The high waterproof rated luminaire of claim 1, wherein: The outer end surface of the positioning cover (2c) is provided with a protruding wrench part (2c4) for facilitating the rotation of the positioning cover (2c).

5. The high waterproof rated luminaire of claim 1, wherein: The extension (2b3) of the connecting cover (2b) is provided with a mounting groove (2b31), and the second sealing ring (5b) is sleeved in the mounting groove (2b31), wherein the second sealing ring (5b) has a rectangular base body (5b1), and the top surface of the base body (5b1) is provided with an upwardly inclined lip (5b2), and the lip (5b2) is in abutment with the inner wall of the movable cover (3) to form a seal.

6. The high waterproof rated luminaire of claim 1, wherein: The fixed cover (2) further comprises a mounting cover (2d) which is snap-connected in the inner hole of the extension (2b3) and covers the inner hole, and the wiring terminal (4) is mounted on the mounting cover (2d).

7. The high waterproof rated luminaire of claim 6, wherein: The mounting cover (2d) is provided with a mounting hole (2d1), and the wiring terminal (4) is snap-mounted in the mounting hole (2d1).

8. The high waterproof rated luminaire of claim 1, wherein: The inner wall of the movable cover (3) is provided with a plurality of L-shaped clamping ribs (7a), and the outer peripheral wall of the extension (2b3) is provided with a plurality of L-shaped clamping grooves (7b) matched with the clamping ribs (7a), the clamping grooves (7b) have transverse groove portions (7b1) and vertical groove portions (7b2) which are in communication with each other, the width dimension of the vertical groove portion (7b2) is greater than that of the transverse rib portion (7a1) of the clamping rib (7a), the transverse rib portion (7a1) of the clamping rib (7a) is inserted into the transverse groove portion (7b1) of the clamping groove (7b), and the vertical rib portion (7a2) of the clamping rib (7a) is located in the vertical groove portion (7b2), so that the snap connection is completed.

9. The high waterproof rated luminaire of claim 8, wherein: The transverse groove portion (7b1) is provided with a positioning protrusion (7b3), and the transverse rib portion (7a1) of the clamping rib (7a) is provided with an inwardly recessed positioning clamping groove (7a3), and in the state that the movable cover (3) is snap-connected on the extension (2b3), the positioning protrusion (7b3) is clamped into the positioning clamping groove (7a3).

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