Surface cover and circuit breaker

Abstract

The invention relates to the technical field of low-voltage electric appliances, and particularly discloses a surface cover and a circuit breaker. The surface cover comprises a surface cover body and a turning cover. Wherein the upper surface of the surface cover body is provided with a connecting part and a first clamping part; the turning cover is provided with a rotating part and a second clamping part, the rotating part is arranged at one end of the turning cover and movably connected to the connecting part, so that the turning cover can rotate and slide relative to the surface cover body, and the turning cover slides relative to the surface cover body in a closed state so that the second clamping part can be clamped with or separated from the first clamping part. When the second clamping part is connected with the first clamping part in a clamping mode, the turning cover can be kept in a closed state, and when the second clamping part is separated from the first clamping part, the turning cover can rotate to be in an open state. The turning cover of the surface cover can be quickly locked and unlocked with the surface cover body through sliding, the operation convenience is improved, parts do not need to be disassembled during unlocking, and the working reliability of the surface cover is improved.

Description

Technical Field

[0001] The invention relates to the technical field of low-voltage electrical appliances, and in particular to a cover and a circuit breaker. Background Art

[0002] The circuit breaker cover generally includes a cover body and a flap. The flap is provided to cover the accessories mounted on the cover body. In the existing circuit breaker cover, one end of the flap is generally hinged on the cover body, and the other end is fixedly connected to the cover body by screws. After the screws are removed, the flap can be rotated to facilitate the replacement or maintenance of the accessories. However, every time the flap needs to be opened, the screws need to be unscrewed with the help of a screwdriver, and after the accessories are replaced or repaired, the screws need to be installed with the help of a screwdriver. The operation steps are cumbersome, and because the screws are small, they are easy to lose after being unscrewed, affecting the reliability of the cover function.

[0003] Therefore, it is urgent to provide a cover and a circuit breaker to solve the above technical problems. Summary of the invention

[0004] According to one aspect of the present invention, the present invention provides a face cover, the flip cover of which can be locked and unlocked with the face cover body by sliding quickly, thereby improving the convenience of operation, and no parts need to be disassembled when unlocking, thereby improving the reliability of the face cover.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] Cover, including:

[0007] A cover body, wherein the upper surface of the cover body is provided with a connecting portion and a first clamping portion;

[0008] A flip cover is provided with a rotating part and a second clamping part. The rotating part is arranged at one end of the flip cover and is movably connected to the connecting part, so that the flip cover can rotate and slide relative to the cover body. When the flip cover is in a closed state, sliding relative to the cover body can cause the second clamping part to be clamped or separated from the first clamping part.

[0009] Optionally, the direction of the rotation axis of the flip cover is perpendicular to or the same as the sliding direction of the flip cover.

[0010] Optionally, the connecting portion includes connecting blocks arranged on opposite sides of the upper surface, and long grooves are provided on opposite surfaces of the two connecting blocks. The rotating portion includes a rotating shaft arranged on opposite side walls of the flip cover, and the rotating shafts are arranged in a one-to-one correspondence with the long grooves. Each rotating shaft is movably installed in the long groove corresponding to it, and the rotating shaft can slide along the extension direction of the long groove, and the extension direction of the long groove is perpendicular to the extension direction of the rotating shaft.

[0011] Optionally, the connecting portion includes connecting blocks arranged on opposite sides of the upper surface, the connecting blocks are provided with connecting holes, and the rotating portion includes a rotating shaft arranged on opposite side walls of the flip cover, the rotating shafts are arranged in a one-to-one correspondence with the connecting holes, each of the rotating shafts is slidably installed in the connecting hole along the extension direction of the connecting hole, and the extension direction of the connecting hole is the same as the extension direction of the rotating shaft.

[0012] Optionally, the two connection blocks are arranged opposite to each other along the length direction of the upper surface; or, the two connection blocks are arranged opposite to each other along the width direction of the upper surface.

[0013] Optionally, the first clamping portion includes an L-shaped locking plate arranged on the upper surface, the L-shaped locking plate and the upper surface form a locking groove, and the second clamping portion includes a locking tongue arranged on the flip cover, and the locking tongue can be clamped or separated from the locking groove.

[0014] Optionally, a notch is provided on the plate surface of the L-shaped locking piece opposite to the upper surface.

[0015] Optionally, the L-shaped locking pieces are provided on opposite sides of the upper surface, and the flip cover is provided with locking tongues corresponding one-to-one to the L-shaped locking pieces.

[0016] Optionally, a knob is rotatably provided on the flip cover, a push block is provided at one end of the knob close to the cover body, the push block has a locking position and an unlocking position, and a locking stop bar and an unlocking stop bar are provided on the upper surface;

[0017] Rotating the knob toward the locking position can cause one end of the push block to push the locking bar to move, so that the second clamping portion is clamped with the first clamping portion. Rotating the knob toward the unlocking position can cause one end of the push block to push the unlocking bar to move, so that the second clamping portion is separated from the first clamping portion.

[0018] Optionally, the locking block bar is in an "L" shape, the unlocking block bar is in an "I" shape, and the locking block bar and the unlocking block bar are arranged at intervals along the sliding direction of the flip cover.

[0019] Optionally, an arc surface is provided at one end of the push block, and the arc surface is protruded toward the direction of the locking baffle and cooperates with the corner of the locking baffle.

[0020] Optionally, a latching protrusion is provided at the bottom of the other end of the push block, and a locking slot and an unlocking slot are provided on the upper surface. When the push block is rotated to the locking position, the latching protrusion is engaged in the locking slot, and when the push block is rotated to the unlocking position, the latching protrusion is engaged in the unlocking slot.

[0021] Optionally, a through hole and a plurality of elastic buckles are provided on the flip cover, the plurality of elastic buckles are arranged at intervals along the circumference of the through hole, an annular groove is provided on the outer peripheral wall of the knob, and the annular groove is used for engaging with the plurality of elastic buckles.

[0022] Optionally, an arc-shaped guide groove connected to the through hole is provided at the outer edge of the through hole on the plate surface of the flip cover facing away from the face cover body, and a guide boss is provided on the side wall of the knob away from the end of the face cover body. The guide boss is slidably arranged in the arc-shaped guide groove and can abut against two groove walls in the extension direction of the arc-shaped guide groove.

[0023] Optionally, a rotation operating portion is provided on an end surface of the knob away from one end of the face cover body, and the rotation operating portion is used to be driven by an external force to rotate the knob.

[0024] According to another aspect of the present invention, the present invention further provides a circuit breaker, comprising a bottom shell and a surface cover as described in any of the above technical solutions, wherein the surface cover is arranged on the bottom shell.

[0025] The beneficial effects of the present invention are:

[0026] The present invention provides a face cover, comprising a face cover body and a flip cover. A rotating part on the flip cover is movably connected with a connecting part on the face cover body, so that the flip cover can be rotated relative to the face cover body and can slide relative to the face cover body. When the flip cover is in a closed state where the cover is arranged on the face cover body, the sliding relative to the face cover body can make the second clamping part on the flip cover clamped or separated with the first clamping part on the face cover body. When the second clamping part is clamped with the first clamping part, the flip cover can be locked with the face cover body. At this time, the flip cover cannot be rotated relative to the face cover body, so it will remain in a closed state to protect the accessories on the face cover body; when the second clamping part is separated from the first clamping part, the flip cover can be unlocked with the face cover body. At this time, the flip cover can be rotated relative to the face cover body to move to an open state, which is convenient for replacing or repairing the accessories on the face cover body. The flip cover of the face cover can be locked and unlocked with the face cover body by sliding quickly, which improves the convenience of operation, and there is no need to disassemble parts when unlocking, which improves the reliability of the face cover.

[0027] The present invention also provides a circuit breaker, comprising a bottom shell and the above-mentioned surface cover. The circuit breaker is convenient for replacing and repairing accessories due to the use of the above-mentioned surface cover, and parts are not easily lost, and the structural reliability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic diagram of the structure of a face cover provided by an embodiment of the present invention;

[0029] Figure 2A schematic structural diagram of another cover provided by an embodiment of the present invention;

[0030] Figure 3 A schematic structural diagram of another cover provided by an embodiment of the present invention;

[0031] Figure 4 A schematic diagram of a cover body provided by an embodiment of the present invention;

[0032] Figure 5 A schematic diagram of the structure of a flip cover provided by an embodiment of the present invention;

[0033] Figure 6 A partial schematic diagram of a cross-sectional view of a cover provided by an embodiment of the present invention Figure 1 (the second clamping portion is separated from the first clamping portion);

[0034] Figure 7 A partial schematic diagram of a cross-sectional view of a cover provided by an embodiment of the present invention Figure 2 (the second clamping portion is clamped with the first clamping portion);

[0035] Figure 8 An exploded schematic diagram of a knob and a cover body provided in an embodiment of the present invention;

[0036] Fig. 9 A cross-sectional view of an assembly diagram of a knob and a cover body provided in an embodiment of the present invention;

[0037] Fig.10 A schematic diagram of the structure of a knob at a viewing angle provided by an embodiment of the present invention;

[0038] Fig.11 A schematic diagram of the structure of a knob from another perspective provided by an embodiment of the present invention;

[0039] Fig.12 for Figure 4 A magnified view at point A;

[0040] Fig.13 Schematic diagram of the cooperation between the knob and the cover body provided in the embodiment of the present invention Figure 1 (At this time, the second clamping portion is separated from the first clamping portion);

[0041] Fig.14 Schematic diagram of the cooperation between the knob and the cover body provided in the embodiment of the present invention Figure 2 (At this time, the second clamping portion is clamped with the first clamping portion).

[0042] In the figure:

[0043] 100, cover body; 101, upper surface; 110, connecting portion; 111, connecting block; 112, long groove; 113, connecting hole; 120, first clamping portion; 121, L-shaped locking piece; 122, locking groove; 123, notch; 130, locking stop bar; 140, unlocking stop bar; 150, locking slot; 160, unlocking slot; 170, handle hole; 180, accessory slot;

[0044] 200, flip cover; 210, rotating part; 211, rotating shaft; 220, second clamping part; 221, locking tongue; 230, through hole; 240, elastic buckle; 250, arc-shaped guide groove; 260, avoidance hole;

[0045] 300, knob; 310, push block; 311, arc surface; 320, clamping convex; 330, annular groove; 340, guide boss; 350, rotation operation part. DETAILED DESCRIPTION

[0046] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0047] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0048] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0050] Embodiment 1

[0051] The present embodiment provides a face cover, the flip cover of which can be locked and unlocked with the face cover body by sliding quickly, thereby improving the convenience of operation, and no parts need to be disassembled when unlocking, thereby improving the reliability of the face cover function.

[0052] Specifically, Figure 1-Figure 6 As shown, the face cover comprises a face cover body 100 and a flip cover 200. Among them, the upper surface 101 of the face cover body 100 is provided with a connecting portion 110 and a first clamping portion 120. The flip cover 200 is provided with a rotating portion 210 and a second clamping portion 220, the rotating portion 210 is arranged at one end of the flip cover 200 and is movably connected to the connecting portion 110, so that the flip cover 200 can rotate and slide relative to the face cover body 100, and the flip cover 200 can slide relative to the face cover body 100 in a closed state so that the second clamping portion 220 can be clamped or separated from the first clamping portion 120.

[0053] It can be understood that the flip cover 200 is covered on the cover body 100 in the closed state to cover the accessories on the cover body 100; the flip cover 200 is set at an angle to the cover body 100 in the open state, so that the accessories can be exposed, which is convenient for repair or replacement of the accessories.

[0054] Therefore, when the cover is working normally, the flip cover 200 is in a closed state. When it is necessary to repair or replace the accessories on the cover body 100, the flip cover 200 can be pushed by hand to slide until the second clamping portion 220 is separated from the first clamping portion 120, at which time the flip cover 200 and the cover body 100 are unlocked, and the flip cover 200 can be turned by hand to open it, and then the accessories can be repaired or replaced; after the accessories are repaired or replaced, the flip cover 200 can be turned by hand to a closed state, and then the flip cover 200 can be pushed to slide in the opposite direction, so that the second clamping portion 220 is clamped with the first clamping portion 120, and the flip cover 200 and the cover body 100 are locked, so as to ensure the reliability of the flap 200 in protecting the accessories.

[0055] The cover provided in this embodiment has a flip cover 200 that can be locked and unlocked with the cover body 100 by sliding quickly, which reduces the difficulty of operation. In addition, there is no need to disassemble parts when unlocking, which avoids the loss of parts, thereby improving the reliability of the cover.

[0056] Optionally, the direction of the rotation axis of the flip cover 200 may be perpendicular to or the same as the sliding direction of the flip cover 200 .

[0057] For example, see Figure 1 , Figure 4-Figure 7 In a possible embodiment, the connection portion 110 includes connection blocks 111 disposed on opposite sides of the upper surface 101, and long grooves 112 are disposed on opposite surfaces of the two connection blocks 111. The rotating portion 210 includes rotation shafts 211 disposed on opposite side walls of the flip cover 200, and the rotation shafts 211 are disposed in one-to-one correspondence with the long grooves 112, and each rotation shaft 211 is movably installed in the corresponding long groove 112. And, continue to refer to Figure 1 , the rotating shaft 211 can slide along the extending direction of the long slot 112, and the extending direction of the long slot 112 ( Figure 1 and Figure 4 The direction indicated by the Y axis) and the extension direction of the rotating shaft 211 ( Figure 1 and Figure 4 In this way, the direction of the rotation axis of the flip cover 200 (the extension direction of the rotation shaft 211) is perpendicular to the sliding direction of the flip cover 200 (the extension direction of the long groove 112). The flip cover 200 can rotate and slide relative to the cover body 100 through the cooperation of the long groove 112 and the rotation shaft 211, which has a simple structure, is easy to process and assemble, and has high working reliability.

[0058] In another possible embodiment, Figure 2As shown, the connecting portion 110 includes connecting blocks 111 disposed on opposite sides of the upper surface 101, and connecting holes 113 are provided on the connecting blocks 111. The rotating portion 210 includes rotating shafts 211 disposed on opposite side walls of the flip cover 200, and the rotating shafts 211 are disposed in a one-to-one correspondence with the connecting holes 113. In addition, each rotating shaft 211 extends in the direction of the connecting hole 113 ( Figure 2 The connecting hole 113 is slidably mounted in the direction indicated by the X-axis. The extending direction of the connecting hole 113 is ( Figure 2 The direction indicated by the X-axis in the middle) and the extension direction of the rotation axis 211 ( Figure 2 In this way, the direction of the rotation axis of the flip cover 200 (the extension direction of the rotating shaft 211) is the same as the sliding direction of the flip cover 200 (the extension direction of the connecting hole 113). The connecting hole 113 and the rotating shaft 211 cooperate to realize the rotation and sliding of the flip cover 200 relative to the cover body 100, which has a simple structure, is easy to process and assemble, and has high working reliability.

[0059] Optionally, continue to see Figure 1 and Figure 2 The two connecting blocks 111 are arranged opposite to each other along the width direction of the upper surface 101. In this arrangement, the flip cover 200 is flipped open from one end of the length direction of the upper surface 101. Figure 3 The two connecting blocks 111 may also be arranged opposite to each other along the length direction of the upper surface 101 . In this arrangement, the flip cover 200 is flipped open from one end of the upper surface 101 in the width direction.

[0060] Optionally, continue to see Figure 4 , Figure 6 and Figure 7 The first clamping part 120 includes an L-shaped locking piece 121 disposed on the upper surface 101, and the L-shaped locking piece 121 and the upper surface 101 form a locking groove 122. The second clamping part 220 includes a locking tongue 221 disposed on the flip cover 200, and the locking tongue 221 can be engaged with or separated from the locking groove 122. The locking groove 122 and the locking tongue 221 cooperate to realize the locking and unlocking of the cover body 100 and the flip cover 200, which has a simple structure, is easy to process, and has high locking reliability.

[0061] Further, see Figure 4 A notch 123 is provided on the plate surface opposite to the upper surface 101 of the L-shaped locking piece 121. By providing the notch 123, the deformation amount of the plate surface can be increased to facilitate the clamping of the locking groove 122 and the locking tongue 221.

[0062] Optionally, continue to see Figure 4In this embodiment, L-shaped locking pieces 121 are provided on opposite sides of the upper surface 101, and locking tongues 221 corresponding to the L-shaped locking pieces 121 are provided on the flip cover 200. By providing two pairs of L-shaped locking pieces 121 and locking tongues 221, the clamping effect between the flip cover 200 and the cover body 100 can be improved, and the reliability of the closing of the flip cover 200 is improved.

[0063] Of course, in other embodiments, the number and arrangement of the L-shaped locking pieces 121 may be other, and may be arranged according to actual needs, and this application does not make any specific limitation.

[0064] Embodiment 2

[0065] This embodiment provides a cover, which is substantially the same in structure as the first embodiment, and is only improved on the basis of the first embodiment. Therefore, only the differences between the two are described here, and the same structures as the first embodiment are not repeated here. In this embodiment, the same or corresponding technical features as the first embodiment are marked with the same reference numerals.

[0066] like Figure 8-Figure 14 As shown, in this embodiment, a knob 300 is provided on the flip cover 200 , and the knob 300 can cooperate with the cover body 100 to push the flip cover 200 to slide, so that the second clamping portion 220 is clamped or separated from the first clamping portion 120 .

[0067] Specifically, a push block 310 is provided at one end of the knob 300 close to the cover body 100, and the push block 310 has a locking position ( Fig.14 The middle knob 300 position) and the unlocked position ( Fig.13 A locking bar 130 and an unlocking bar 140 are provided on the upper surface 101 of the cover body 100 .

[0068] Knob 300 by Fig.13 The unlocked position shown is Fig.14 The rotation of the locking position shown can cause one end of the push block 310 to push the locking bar 130 to move, so that the flip cover 200 slides relative to the cover body 100 until the second clamping portion 220 is clamped with the first clamping portion 120, thereby locking the flip cover 200 and the cover body 100.

[0069] Knob 300 by Fig.14 The locked position shown is Fig.13 The unlocking position shown can be rotated so that one end of the push block 310 pushes the unlocking stop bar 140 to move, so that the flip cover 200 slides relative to the cover body 100 until the second clamping portion 220 is separated from the first clamping portion 120, thereby unlocking the flip cover 200 and the cover body 100.

[0070] By providing the knob 300 , locking and unlocking between the flip cover 200 and the cover body 100 can be facilitated, thereby improving the convenience of locking and unlocking between the flip cover 200 and the cover body 100 .

[0071] Optionally, continue to see Fig.12 In this embodiment, the locking bar 130 is in an “L” shape, and the unlocking bar 140 is in an “I” shape. The locking bar 130 and the unlocking bar 140 are arranged at intervals along the sliding direction of the flip cover 200 .

[0072] Further, see Fig.11 , Fig.12 and Fig.14 One end of the push block 310 is provided with an arc surface 311, which is convex in the direction of the locking bar 130 and matches with the corner of the locking bar 130. The arc surface 311 matches with the corner of the "L"-shaped locking bar 130, which can improve the smoothness of the rotation of the knob 300, thereby improving the reliability of the locking work of the push block 310.

[0073] Further, see Fig.11 and Fig.12 In this embodiment, a locking protrusion 320 is provided at the bottom of the other end of the push block 310 , and a locking slot 150 and an unlocking slot 160 are provided on the upper surface 101 .

[0074] Specifically, when the push block 310 is rotated to the locked position, the locking protrusion 320 is engaged in the locking slot 150; when the push block 310 is rotated to the unlocked position, the locking protrusion 320 is engaged in the unlocking slot 160. Through the cooperation between the locking protrusion 320 and the locking slot 150 and the unlocking slot 160, on the one hand, the reliability of the knob 300 being kept in the locked position and the unlocked position is improved, thereby improving the reliability of locking and unlocking between the flip cover 200 and the cover body 100; on the other hand, when the knob 300 is rotated to the locked position and the unlocked position, there is an obvious hand feeling prompt, which guides the staff to rotate the knob 300.

[0075] Optionally, continue to see Figure 8-Figure 11 The flip cover 200 is provided with a through hole 230 and a plurality of elastic buckles 240, and the plurality of elastic buckles 240 are arranged at intervals along the circumference of the through hole 230. The outer peripheral wall of the knob 300 is provided with an annular groove 330, and the annular groove 330 is used to engage with the plurality of elastic buckles 240. The knob 300 is rotatably connected to the flip cover 200 through the elastic buckle 240 and the annular groove 330, and the structure is simple and easy to install. The knob 300 is not easy to fall off, and the installation reliability is high. The plurality of elastic buckles 240 are arranged to engage with the annular groove 330, which can reduce the force required for the installation and removal of the knob 300 and facilitate the installation and removal of the knob 300.

[0076] Further, see Figure 8 On the plate surface of the flip cover 200 away from the cover body 100, an arc-shaped guide groove 250 communicating with the through hole 230 is provided at the outer edge of the through hole 230, and a guide boss 340 is provided on the side wall of the knob 300 away from the cover body 100. The guide boss 340 is slidably arranged in the arc-shaped guide groove 250 and can abut against two groove walls in the extending direction of the arc-shaped guide groove 250. Through the cooperation between the arc-shaped guide groove 250 and the guide boss 340, the rotation angle of the knob 300 can be limited, thereby guiding the knob 300 to switch between the locked position and the unlocked position.

[0077] In this embodiment, when the guide boss 340 abuts against one groove wall of the arc-shaped guide groove 250 so that the pointing direction of the guide boss 340 is the same as the sliding direction of the flip cover 200, the push block 310 on the knob 300 is located in the unlocked position; when the guide boss 340 abuts against the other groove wall of the arc-shaped guide groove 250 so that the pointing direction of the guide boss 340 is perpendicular to the sliding direction of the flip cover 200, the push block 310 on the knob 300 is located in the unlocked position.

[0078] Further, see Figure 8 A rotation operation portion 350 may be provided on the end surface of the knob 300 away from the end of the cover body 100. When the knob 300 needs to be rotated, the operator rotates the knob 300 by hand or with the aid of a tool through the rotation operation portion 350, thereby improving the convenience of rotating the knob 300.

[0079] Optionally, in this embodiment, the rotation operation portion 350 is a cross-shaped slot, which can be operated by a cross screwdriver. In another embodiment, the rotation operation portion 350 can also be a straight-shaped slot, which can be operated by a straight-shaped screwdriver. In other embodiments, the rotation operation portion 350 can also be a protruding shape that is easy to hold manually, such as a straight-shaped boss, etc., which can be set according to actual needs and is not specifically limited in this application.

[0080] Embodiment 3

[0081] This embodiment provides a circuit breaker, comprising a bottom shell and a surface cover provided in the first or second embodiment, wherein the surface cover is arranged on the bottom shell.

[0082] Since the circuit breaker adopts the above-mentioned face cover, it is convenient to replace and repair accessories, parts are not easy to be lost, and the structural reliability is high.

[0083] Alternatively, if Figure 1-Figure 5 As shown, in this embodiment, a handle hole 170 is provided in the middle of the face cover body 100, and correspondingly, an avoidance hole 260 communicating with the handle hole 170 is provided on the flip cover 200 to facilitate the installation of the handle.

[0084] Optionally, continue to see Figure 4 On the upper surface 101 of the face cover body 100, accessory slots 180 are provided on opposite sides of the handle hole 170. The accessory slots 180 are used to install accessories. The flip cover 200 is covered on the accessory slots 180 in the closed state to protect the accessories.

[0085] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A face cover, characterized in that: include: A face cover body (100), wherein an upper surface (101) of the face cover body (100) is provided with a connecting portion (110) and a first clamping portion (120); A flip cover (200) is provided with a rotating portion (210) and a second clamping portion (220); the rotating portion (210) is arranged at one end of the flip cover (200) and is movably connected to the connecting portion (110), so that the flip cover (200) can rotate and slide relative to the cover body (100); when the flip cover (200) is in a closed state, it can slide relative to the cover body (100) so that the second clamping portion (220) can be clamped or separated from the first clamping portion (120).

2. The cover according to claim 1, characterized in that: The direction of the rotation axis of the flip cover (200) is perpendicular to or the same as the sliding direction of the flip cover (200).

3. The cover according to claim 2, characterized in that: The connecting portion (110) comprises connecting blocks (111) arranged on opposite sides of the upper surface (101), and long grooves (112) are arranged on opposite surfaces of the two connecting blocks (111). The rotating portion (210) comprises rotating shafts (211) arranged on opposite side walls of the flip cover (200), and the rotating shafts (211) are arranged in a one-to-one correspondence with the long grooves (112). Each rotating shaft (211) is movably installed in the long groove (112) corresponding thereto, and the rotating shaft (211) can slide along the extension direction of the long groove (112), and the extension direction of the long groove (112) is perpendicular to the extension direction of the rotating shaft (211).

4. The cover according to claim 2, characterized in that: The connecting portion (110) comprises connecting blocks (111) arranged on two opposite sides of the upper surface (101), and connecting holes (113) are provided on the connecting blocks (111). The rotating portion (210) comprises rotating shafts (211) arranged on two opposite side walls of the flip cover (200), and the rotating shafts (211) are arranged in a one-to-one correspondence with the connecting holes (113). Each rotating shaft (211) is slidably mounted on the connecting hole (113) along an extension direction of the connecting hole (113), and the extension direction of the connecting hole (113) is the same as the extension direction of the rotating shaft (211).

5. The cover according to claim 3 or 4, characterized in that: The two connection blocks (111) are arranged opposite to each other along the length direction of the upper surface (101); or, the two connection blocks (111) are arranged opposite to each other along the width direction of the upper surface (101).

6. The cover according to claim 1, characterized in that: The first clamping portion (120) comprises an L-shaped locking plate (121) arranged on the upper surface (101), and the L-shaped locking plate (121) and the upper surface (101) form a locking groove (122); the second clamping portion (220) comprises a locking tongue (221) arranged on the flip cover (200), and the locking tongue (221) can be clamped or separated from the locking groove (122).

7. The cover according to claim 6, characterized in that: A notch (123) is provided on the plate surface of the L-shaped locking piece (121) opposite to the upper surface (101).

8. The cover according to claim 6, characterized in that: The L-shaped locking pieces (121) are provided on opposite sides of the upper surface (101), and the flip cover (200) is provided with locking tongues (221) corresponding one to one with the L-shaped locking pieces (121).

9. The cover according to claim 1, characterized in that: The flip cover (200) is rotatably provided with a knob (300), and one end of the knob (300) close to the cover body (100) is provided with a push block (310), and the push block (310) has a locking position and an unlocking position, and the upper surface (101) is provided with a locking stop bar (130) and an unlocking stop bar (140); When the knob (300) is rotated toward the locking position, one end of the push block (310) can push the locking block bar (130) to move, so that the second clamping portion (220) is clamped with the first clamping portion (120); when the knob (300) is rotated toward the unlocking position, one end of the push block (310) can push the unlocking block bar (140) to move, so that the second clamping portion (220) is separated from the first clamping portion (120).

10. The cover according to claim 9, characterized in that: The locking bar (130) is in an "L" shape, and the unlocking bar (140) is in an "I" shape. The locking bar (130) and the unlocking bar (140) are arranged at intervals along the sliding direction of the flip cover (200).

11. The cover according to claim 10, characterized in that: One end of the push block (310) is provided with a curved surface (311), and the curved surface (311) is protruded in the direction of the locking stop bar (130) and matches with the corner of the locking stop bar (130).

12. The cover according to claim 9, characterized in that: A locking protrusion (320) is provided at the bottom of the other end of the push block (310), and a locking slot (150) and an unlocking slot (160) are provided on the upper surface (101); when the push block (310) is rotated to the locking position, the locking protrusion (320) is engaged in the locking slot (150); when the push block (310) is rotated to the unlocking position, the locking protrusion (320) is engaged in the unlocking slot (160).

13. The cover according to claim 9, characterized in that: The flip cover (200) is provided with a through hole (230) and a plurality of elastic buckles (240), the plurality of elastic buckles (240) being arranged at intervals along the circumference of the through hole (230), and an annular groove (330) is provided on the outer peripheral wall of the knob (300), the annular groove (330) being used for being engaged with the plurality of elastic buckles (240).

14. The cover according to claim 13, characterized in that: An arc-shaped guide groove (250) communicating with the through hole (230) is provided at the outer edge of the through hole (230) on the plate surface of the flip cover (200) facing away from the face cover body (100), and a guide boss (340) is provided on the side wall of the knob (300) at one end away from the face cover body (100), and the guide boss (340) is slidably arranged in the arc-shaped guide groove (250) and can abut against two groove walls in the extension direction of the arc-shaped guide groove (250).

15. The cover according to claim 9, characterized in that: A rotation operation portion (350) is provided on the end surface of the knob (300) away from the cover body (100), and the rotation operation portion (350) is used to be driven by an external force to rotate the knob (300).

16. A circuit breaker, characterized in that The invention comprises a bottom shell and a face cover according to any one of claims 1 to 15, wherein the face cover is arranged on the bottom shell.

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