Line lamp convenient to install

Abstract

The utility model provides a line lamp convenient to install, which belongs to the technical field of lighting appliances, and comprises a lamp body, a lampshade and a light source piece arranged in the lampshade, and further comprises a locking piece and a hinging piece, the hinging piece is respectively connected with the lamp body and the lampshade and is used for realizing the rotary connection of the lampshade and the lamp body, and the locking piece is connected with the locking piece. The locking piece comprises an elastic buckle arranged on the lampshade and a clamping seat arranged on the lamp body, a clamping hole is formed in the clamping seat, the elastic buckle comprises an installation piece and a clamping piece, an included angle is formed between the installation piece and the clamping piece, the installation piece is connected to the lampshade, the clamping piece is provided with a clamping part protruding outwards, and the clamping part is connected with the clamping piece. And the clamping part is clamped in the clamping hole. The utility model provides a line lamp convenient to install and aims to solve the problems that a lampshade and a lamp body of a line lamp in the prior art are of a split structure, the lampshade needs to be lifted in the installation process, the installation workload is large, single-person installation operation is difficult, and the installation cost is increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of lighting fixtures, and more specifically, relates to a linear lamp that is easy to install. Background Art

[0002] Existing linear lights typically feature a separate design with a lampshade and body that are detachably connected via a locking mechanism. Because the lampshade and body are separate, installing the lamp requires removing the lampshade, securing the body to the mounting surface, and then lifting and attaching the lampshade to the body.

[0003] However, existing locking mechanisms use bolts to secure the lamp body and lampshade, or employ clips that plug into holes to connect the two. To ensure a secure connection, multiple connection points are typically provided between the lampshade and the body. This results in a lengthy installation process, requiring the operator to constantly hold the lampshade in place. These methods not only increase the workload for installation, but also make single-person operation difficult, increasing installation costs. Utility Model Content

[0004] The purpose of the present utility model is to provide a linear lamp that is easy to install, aiming to solve the problem in the prior art that the lampshade and lamp body of the linear lamp adopt a split structure, the lampshade needs to be lifted during the installation process, resulting in a large installation workload, and it is difficult for one person to install the work, which increases the installation cost.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A linear lamp that is easy to install is provided, comprising a lamp body, a lampshade, and a light source component arranged in the lampshade, and also comprising a locking member and a hinge member, wherein the hinge member is respectively connected to the lamp body and the lampshade, and is used to realize the rotational connection between the lampshade and the lamp body, the locking member comprises an elastic clip arranged on the lampshade and a clamping seat arranged on the lamp body, a clamping hole is provided on the clamping seat, the elastic clip comprises a mounting piece and a clamping piece arranged at an angle to the mounting piece, the mounting piece is connected to the lampshade, the clamping piece has an outwardly protruding clamping portion, and the clamping portion is clamped in the clamping hole.

[0007] In a possible implementation, the elastic buckle also includes an elastic sheet connected to the snap-fitting piece, the elastic sheet forms the snap-fitting portion, and the elastic sheet includes two snap-fitting areas distributed at an angle, one of the snap-fitting areas is connected to the snap-fitting piece, and the connection between the two snap-fitting areas is inserted into the snap-fitting hole.

[0008] In a possible implementation, the card holder includes a base body and a fixing plate connected to the base body at an angle, the base body is connected to the lamp body, and the card hole is provided in the fixing plate.

[0009] In one possible implementation, the locking member also includes a driving module, the lamp body is provided with a clearance hole, the driving module includes a pressing portion and a driving portion connected to the pressing portion, and also includes an elastic member arranged between the driving portion and the lamp body, the pressing portion is located outside the lamp body, the driving portion is inserted into the clearance hole for squeezing the clamping portion, and the elastic member is configured with a pre-tightening force that keeps the driving portion and the clamping portion in a non-contact state.

[0010] In one possible implementation, the hinge includes a first hinge piece connected to the lampshade and a second hinge piece connected to the lamp body, and also includes a rotating shaft rotatably connected to the first hinge piece and the second hinge piece, and an elastic reset piece, wherein the elastic reset piece is configured with a pre-tightening force to separate the lampshade and the lamp body from each other.

[0011] In one possible implementation, the hinged part sequentially connects a first mounting portion, a connecting portion, and a second mounting portion, wherein the connecting portion is a flexible component and has elastic deformation capability, the first mounting portion and the second mounting portion are rotationally connected via the connecting portion, the first mounting portion has a closed state in which it is parallel to or in contact with the second mounting portion, and an open state in which it is at an angle to or located in the same plane as the second mounting portion, the first mounting portion and / or the second mounting portion rotates around the connecting portion to switch between the closed state and the open state.

[0012] In a possible implementation, the lampshade includes:

[0013] The light-transmitting cover is provided with a through receiving groove along the first path, and the bottom of the receiving groove is connected to the outside;

[0014] a heat dissipation plate connected to the light-transmitting cover and sealing the bottom of the receiving groove; the light source is disposed in the receiving groove and connected to the heat dissipation plate; and

[0015] The end cover is provided at the end of the light-transmitting cover and is used to close the opening of the receiving groove.

[0016] In a possible implementation, the end cover is respectively provided with a first connecting groove and a second connecting groove from top to bottom, the light-transmitting cover is inserted into the first connecting groove, and the heat dissipation plate is inserted into the second connecting groove.

[0017] In one possible implementation, the end cover includes an end plate and a limiting ridge provided on the end plate, the limiting ridges are connected end to end to form a ring structure, the end cover also includes a mounting ring connected to the outer peripheral surface of the end plate and a support plate provided on the end plate, the limiting ridge and the mounting ring are spaced apart to form the first connecting groove, and the support plate and the limiting ridge are spaced apart to form the second connecting groove.

[0018] In one possible implementation, the support plate protrudes from the limiting protrusion toward the side away from the end cover, a first connection hole is provided on the support plate, a second connection hole corresponding to the first connection hole is provided on the heat dissipation plate, and fixing parts are inserted into the first connection hole and the second connection hole.

[0019] The advantageous effect of the easy-to-install linear light provided by the present invention is that, compared with the prior art, the easy-to-install linear light of the present invention realizes the rotational connection between the lamp body and the lampshade through a hinge, and realizes the locking or opening of the lamp body and the lampshade through a locking member. When installing the linear light, the snap-fitting portion is separated from the snap-fitting hole so that the lamp body and the lampshade rotate around the hinge on one side and separate on the other side. During the installation of the lamp body, there is no need to lift the lampshade, and single-person operation can be achieved, thus reducing the installation cost. After the installation of the lamp body is completed, the lampshade and the lamp body are locked by the snap-fitting connection between the snap-fitting portion and the snap-fitting hole. The present invention not only enables a single person to install the linear light, thus reducing the labor cost during the installation process, but also has a simple structure of the locking member. The snap-fitting connection between the snap-fitting portion and the snap-fitting hole can realize the separation or locking of the lampshade and the lamp body, thus avoiding increasing the weight of the linear light. At the same time, it occupies a small space and does not affect the internal layout of the linear light. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 A schematic diagram of the partial structure of a linear light that is easy to install provided by an embodiment of the utility model;

[0022] Figure 2 A cross-sectional view of a linear light that is easy to install provided by an embodiment of the present utility model;

[0023] Figure 3 A partial cross-sectional view of a linear light that is easy to install provided by another embodiment of the present invention;

[0024] Figure 4A side view of a hinge member used in an embodiment of the present invention;

[0025] Figure 5 This is a schematic structural diagram of the end cover used in an embodiment of the present utility model.

[0026] In the figure: 1. lampshade; 101. light-transmitting cover; 102. heat dissipation plate; 103. end cover; 1031. end plate; 1032. mounting ring; 1033. limiting ridge; 1034. second connecting groove; 1035. supporting plate; 1036. first connecting groove; 104. light source; 2. elastic buckle; 201. mounting plate; 202. snap-fit ​​plate; 203. snap-fit ​​part; 3. lamp body; 4. hinge; 401. first mounting part; 402. second mounting part; 403. connecting part; 5. socket; 501. socket body; 502. fixing plate; 6. driving module; 601. driving part; 602. pressing part; 603. elastic part. DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] In the claims, specification, and drawings of the present invention, unless otherwise expressly defined, terms such as "first," "second," or "third" are used to distinguish between different objects, rather than to describe a specific order. Unless otherwise specified, other directional words such as "vertical," "clockwise," and "counterclockwise" are used to indicate directions or positional relationships based on the directions and positional relationships shown in the drawings, and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or component referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the specific scope of protection of the present invention. In the claims, specification, and drawings of the present invention, unless otherwise expressly defined, terms such as "fixed connection" or "fixed connection" should be understood in a broad sense, that is, any connection method without a displacement relationship or relative rotation relationship between the two, that is, including non-detachable fixed connection, detachable fixed connection, integral connection, and fixed connection through other devices or components. In the claims, specification, and drawings of the present invention, terms such as "including," "having," and their variations are intended to mean "including but not limited to."

[0029] Please also refer to Figures 1 to 5The easy-to-install linear light provided by the present invention will now be described. The easy-to-install linear light comprises a lamp body 3, a lampshade 1, and a light source 104 disposed within the lampshade 1. The light source 104 also comprises a locking member and a hinge 4. The hinge 4 is respectively connected to the lamp body 3 and the lampshade 1 for achieving a rotational connection between the lampshade 1 and the lamp body 3. The locking member comprises an elastic buckle 2 disposed on the lampshade 1 and a holder 5 disposed on the lamp body 3. The holder 5 has a latching hole. The elastic buckle 2 comprises a mounting piece 201 and a snap-fit ​​piece 202 disposed at an angle to the mounting piece 201. The mounting piece 201 is connected to the lampshade 1. The snap-fit ​​piece 202 has an outwardly protruding snap-fit ​​portion 203 that is snap-fitted into the snap-fit ​​hole.

[0030] The present invention provides an easy-to-install linear light. Compared to the prior art, the present invention utilizes a hinge 4 to achieve a rotational connection between the lamp body 3 and the lampshade 1, and a locking member to lock or unlock the lamp body 3 and the lampshade 1. During installation, the snap-fit ​​portion 203 separates from the latch hole, allowing the lamp body 3 and the lampshade 1 to rotate on one side about the hinge 4 and separate on the other side. During installation, there is no need to lift the lampshade 1, allowing a single person to perform the operation, reducing installation costs. After the lamp body 3 is installed, the snap-fit ​​portion 203 engages with the latch hole to lock the lampshade 1 and the lamp body 3. Not only does the present invention allow a single person to install the linear light, reducing labor costs during installation, but the locking member also features a simple structure. The snap-fit ​​portion 203 engages with the latch hole to both separate and lock the lampshade 1 and the lamp body 3, avoiding adding weight to the linear light. Furthermore, the snap-fit ​​portion 203 occupies a small space and does not affect the internal layout of the linear light.

[0031] It should be noted that due to the limited internal space of the linear light, if the structure of the locking part is too complicated, it will not only take up too much space inside the linear light and affect the reasonable layout of other components, but also cause the weight of the entire linear light to increase, which will have an adverse effect on installation and transportation.

[0032] Optionally, the mounting piece 201 is bonded, screwed, clamped or welded to the lampshade 1. The mounting piece 201 and the clamping piece 202 are distributed at an angle, which increases the contact area with the lampshade 1 and improves the firmness of the connection; on the other hand, it also increases the strength of the elastic buckle 2.

[0033] Optionally, the locking member and the hinge member 4 are located on opposite sides of the lampshade 1 and the lamp body 3 respectively.

[0034] In some embodiments, see Figures 1 to 3 The elastic buckle 2 also includes an elastic sheet connected to the snap-fitting piece 202, the elastic sheet forms a snap-fitting portion 203, the elastic sheet includes two snap-fitting areas distributed at an angle, one of the snap-fitting areas is connected to the snap-fitting piece 202, and the connection between the two snap-fitting areas is inserted into the snap-fitting hole.

[0035] The connection of the two snap-fitting areas forms an angle, which is inserted into the snap-fitting hole to lock the lamp body 3 and the lampshade 1. When the lampshade 1 needs to be opened, a force is applied to the lampshade 1, and the snap-fitting area elastically deforms and separates from the snap-fitting hole, thereby opening the lampshade 1.

[0036] Optionally, one clamping area is connected to the clamping piece 202, and the other clamping area is a free end, so as to facilitate the deformation of the two clamping areas and facilitate the clamping portion 203 to enter and exit the clamping hole.

[0037] In some embodiments, see Figure 1 The card holder 5 includes a base body 501 and a fixing piece 502 connected to the base body 501 at an angle. The base body 501 is connected to the lamp body 3, and a card hole is opened in the fixing piece 502.

[0038] The fixing piece 502 and the base body 501 are distributed at an angle, which not only improves the strength of the fixing piece 502 but also increases the contact area with the lamp body 3 and improves the firmness of the connection.

[0039] Optionally, the fixing piece 502 is bonded, clamped, screwed or welded to the lamp body 3 .

[0040] In some embodiments, see Figures 2 to 3 The locking member also includes a driving module 6. The lamp body 3 is provided with a clearance hole. The driving module 6 includes a pressing portion 602 and a driving portion 601 connected to the pressing portion 602. It also includes an elastic member 603 arranged between the driving portion 601 and the lamp body 3. The pressing portion 602 is located outside the lamp body 3, and the driving portion 601 is inserted into the clearance hole for squeezing the clamping portion 203. The elastic member 603 is configured with a pre-tightening force that keeps the driving portion 601 and the clamping portion 203 in a non-contact state.

[0041] To open the lampshade 1, a pressing force is applied to the driver 601, which squeezes the elastic member 603, causing the pressing member 602 to apply force to the engaging portion 203, deforming the engaging portion 203 and moving it outward from the engaging hole. Simultaneously, force is applied to the lampshade 1 to separate it from the lamp body 3. This embodiment reduces the resistance encountered during the opening process of the lampshade 1. Once the lampshade 1 is opened, the force applied to the driver 601 ceases, and the driver 601 returns to its original position under the action of the elastic member 603.

[0042] Optionally, the elastic member 603 is a spring.

[0043] In some embodiments, not shown in the figures, the hinge 4 includes a first hinge plate connected to the lampshade 1 and a second hinge plate connected to the lamp body 3, and also includes a rotating shaft rotatably connected to the first hinge plate and the second hinge plate, and an elastic reset member, which is configured with a pre-tightening force to separate the lampshade 1 and the lamp body 3 from each other.

[0044] In this embodiment, after the clamping portion 203 is separated from the clamping hole, the lampshade 1 and the lamp body 3 are separated from each other under the action of the elastic reset member, which reduces the labor of manually opening the lamp body 3 and the lampshade 1 and makes opening more convenient.

[0045] Optionally, the elastic return member is a spring.

[0046] In some embodiments, see Figure 4 The hinge 4 sequentially connects a first mounting portion 401, a connecting portion 403, and a second mounting portion 402, wherein the connecting portion 403 is a flexible component and has elastic deformation capability. The first mounting portion 401 and the second mounting portion 402 are rotatably connected via the connecting portion 403. The first mounting portion 401 has a closed state in which it is parallel to or in contact with the second mounting portion 402, and an open state in which it is at an angle to or located in the same plane as the second mounting portion 402. The first mounting portion 401 and / or the second mounting portion 402 rotates around the connecting portion 403 to switch between the closed state and the open state.

[0047] When installing the lamp body 3, the first mounting portion 401 and the second mounting portion 402 are in the open state. Since the first mounting portion 401 and the second mounting portion 402 are connected via the connecting portion 403, there is no need for the operator to lift the lampshade 1. After completing the installation of the lamp body 3, the first mounting portion 401 is rotated around the connecting portion 403 and switched to the closed state, and then the lamp body 3 and the lampshade 1 are fixedly connected via the connecting portion 403. The first mounting portion 401 and the second mounting portion 402 in the present utility model are rotationally connected via the connecting portion 403. Since the connecting portion 403 is a flexible component with elastic deformation capability, it can deform as the first mounting portion 401 rotates. Therefore, there is no need to set up an additional shaft connection, which simplifies the structure and reduces the weight. In addition, there is no need to lift the lampshade 1 during the entire installation process, which allows for single-person operation and reduces labor costs. In addition, since the first mounting portion 401 and the second mounting portion 402 are respectively connected to the lamp body 3 and the lampshade 1, there is no need to change the original structure of the lamp body 3 and the lampshade 1, and it can be applied to various types of lamps, reducing production and design costs.

[0048] Optionally, the connecting portion 403 is a rubber component or a plastic component, and the hinge 4 is an integral component.

[0049] In some embodiments, see Figures 1 to 3 The lampshade 1 includes a translucent cover 101, a heat dissipation plate 102 and an end cover 103. The translucent cover 101 is provided with a through receiving groove along the first path, and the bottom of the receiving groove is connected to the outside world; the heat dissipation plate 102 is connected to the translucent cover 101 and closes the bottom of the receiving groove. The light source component 104 is arranged in the receiving groove and connected to the heat dissipation plate 102; the end cover 103 is provided at the end of the translucent cover 101 for closing the opening of the receiving groove.

[0050] The light source 104 is disposed within the receiving groove. The heat sink 102 and end cap 103 respectively seal the ends and opening of the receiving groove, creating a closed space within the receiving groove. This prevents external moisture or dust from entering and affecting the use of the light source 104, thereby increasing the service life of the light source 104. This embodiment employs a split-type arrangement, which facilitates the installation of the light source 104 and avoids the problem of difficulty in disassembly and assembly during subsequent maintenance due to the entire structure.

[0051] It should be noted that the first path is parallel to the extension path of the light-transmitting cover 101 .

[0052] In some embodiments, see Figure 5 The end cover 103 is respectively provided with a first connecting groove 1036 and a second connecting groove 1034 from top to bottom. The light-transmitting cover 101 is inserted into the first connecting groove 1036 , and the heat dissipation plate 102 is inserted into the second connecting groove 1034 .

[0053] The light-transmitting cover 101 and the heat sink 102 are connected to the end cover 103 by plugging, which increases the contact area. This not only increases the firmness and reliability of the connection and improves the sealing effect in the receiving groove, but also is not affected by temperature compared to the bonding connection method, avoiding the problem of connection failure caused by heating of the light source 104, and at the same time reduces or avoids drilling holes on the light-transmitting cover 101 and the heat sink 102.

[0054] In some embodiments, see Figure 3 The end cover 103 includes an end plate 1031 and a limiting ridge 1033 provided on the end plate 1031. The limiting ridge 1033 is connected end to end to form a ring structure. The end cover 103 also includes a mounting ring 1032 connected to the outer peripheral surface of the end plate 1031 and a support piece 1035 provided on the end plate 1031. The limiting ridge 1033 and the mounting ring 1032 are spaced apart and form a first connecting groove 1036. The support piece 1035 and the limiting ridge 1033 are spaced apart to form a second connecting groove 1034.

[0055] Compared with the solution of directly opening the first connecting groove 1036 and the second connecting groove 1034 on the end plate 1031, this embodiment can reduce the thickness of the end plate 1031. At the same time, the thickness of the limiting protrusion 1033 can be increased according to actual conditions, thereby increasing the contact area with the light-transmitting cover 101 and the heat dissipation plate 102, thereby achieving the fixation of the light-transmitting cover 101 and the heat dissipation plate 102.

[0056] In some embodiments, see Figure 3The support piece 1035 protrudes from the limiting ridge 1033 toward the side away from the end cover 103, and a first connection hole is opened on the support piece 1035. A second connection hole corresponding to the first connection hole is opened on the heat dissipation plate 102, and fixing parts are inserted into the first connection hole and the second connection hole.

[0057] The limiting ridges 1033 and the supporting pieces 1035 limit the heat sink 102 in the upper and lower directions respectively, and the fixing members are inserted into the first and second connecting holes to lock the heat sink 102. This embodiment further improves the firmness of fixing the heat sink 102.

[0058] Optionally, the fixing member is a threaded member or a clamping member.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Easy to install linear light, characterized by: The lamp comprises a lamp body, a lampshade and a light source arranged in the lampshade, and also comprises a locking member and a hinge member, wherein the hinge member is respectively connected to the lamp body and the lampshade for realizing the rotational connection between the lampshade and the lamp body, the locking member comprises an elastic clip arranged on the lampshade and a clamping seat arranged on the lamp body, a clamping hole is provided on the clamping seat, the elastic clip comprises a mounting plate and a clamping plate arranged at an angle to the mounting plate, the mounting plate is connected to the lampshade, the clamping plate has an outwardly protruding clamping portion, and the clamping portion is clamped in the clamping hole.

2. The easy-to-install linear light according to claim 1, characterized in that: The elastic buckle also includes an elastic sheet connected to the snap-fitting piece, the elastic sheet forms the snap-fitting portion, and the elastic sheet includes two snap-fitting areas distributed at an angle, one of the snap-fitting areas is connected to the snap-fitting piece, and the connection between the two snap-fitting areas is inserted into the snap-fitting hole.

3. The easy-to-install linear light according to claim 1, characterized in that: The clamping seat includes a seat body and a fixing plate connected to the seat body at an angle. The seat body is connected to the lamp body, and the clamping hole is opened on the fixing plate.

4. The easy-to-install linear light according to claim 1, characterized in that: The locking member also includes a driving module, the lamp body is provided with a clearance hole, the driving module includes a pressing portion and a driving portion connected to the pressing portion, and also includes an elastic member arranged between the driving portion and the lamp body, the pressing portion is located outside the lamp body, the driving portion is inserted into the clearance hole, and is used to squeeze the clamping portion, and the elastic member is configured with a pre-tightening force that keeps the driving portion and the clamping portion in a non-contact state.

5. The easy-to-install linear light according to claim 1, characterized in that: The hinge includes a first hinge piece connected to the lampshade and a second hinge piece connected to the lamp body, and also includes a rotating shaft rotatably connected to the first hinge piece and the second hinge piece, and an elastic reset piece, wherein the elastic reset piece is configured with a pre-tightening force to separate the lampshade and the lamp body from each other.

6. The easy-to-install linear light according to claim 1, characterized in that: The hinged part sequentially connects a first mounting portion, a connecting portion, and a second mounting portion, wherein the connecting portion is a flexible component and has elastic deformation capability, the first mounting portion and the second mounting portion are rotationally connected via the connecting portion, the first mounting portion has a closed state in which it is parallel to or in contact with the second mounting portion, and an open state in which it is at an angle to or located in the same plane as the second mounting portion, the first mounting portion and / or the second mounting portion rotates around the connecting portion to switch between the closed state and the open state.

7. The easy-to-install linear light according to claim 1, characterized in that: The lampshade comprises: The light-transmitting cover is provided with a through receiving groove along the first path, and the bottom of the receiving groove is connected to the outside; a heat dissipation plate connected to the light-transmitting cover and sealing the bottom of the receiving groove; the light source is disposed in the receiving groove and connected to the heat dissipation plate; and The end cover is provided at the end of the light-transmitting cover and is used to close the opening of the receiving groove.

8. The easy-to-install linear light according to claim 7, characterized in that: The end cover is respectively provided with a first connecting groove and a second connecting groove from top to bottom. The light-transmitting cover is inserted into the first connecting groove, and the heat dissipation plate is inserted into the second connecting groove.

9. The easy-to-install linear light according to claim 8, characterized in that: The end cover includes an end plate and a limiting ridge provided on the end plate, the limiting ridges are connected end to end to form an annular structure, the end cover also includes a mounting ring connected to the outer peripheral surface of the end plate and a support plate provided on the end plate, the limiting ridge and the mounting ring are spaced apart and form the first connecting groove, and the support plate and the limiting ridge are spaced apart to form the second connecting groove.

10. The easy-to-install linear light according to claim 9, characterized in that: The support plate protrudes from the limiting ridge toward the side away from the end cover, a first connection hole is provided on the support plate, a second connection hole corresponding to the first connection hole is provided on the heat dissipation plate, and fixing members are inserted into the first connection hole and the second connection hole.

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