Alloy contact protection cover

Abstract

The utility model provides an alloy contact protection cover, which relates to the technical field of protection covers, and comprises a shell, the upper surface of the shell is provided with a cover plate, one side of the shell is provided with a fixing device, the fixing device comprises a support, the support is fixedly connected to one side of the shell, two arms of the support are rotatably connected with a rotating rod, and the rotating rod is fixedly connected with the shell. One ends of the two rotating rods are fixedly connected with the same connecting plate, the connecting plate is fixedly connected with the cover plate, the arc face of each rotating rod is sleeved with a coil spring, the two ends of each coil spring are fixedly connected with the connecting plate and the support respectively, the other side of the shell is fixedly connected with an L-shaped plate, and a trapezoidal plate is arranged on the surface of the L-shaped plate in a sliding and inserting mode. According to the protective cover, the effect of automatically fixing the cover plate is achieved through the fixing device, and the situation that a worker forgets to close the cover plate, and consequently the practicability of the protective cover is reduced is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protective cover, especially relates to an alloy contact protective cover. BACKGROUND

[0002] The alloy contact protective cover is a device for protecting alloy contacts, which mainly prevents the contacts from being disturbed and damaged by the external environment, thereby prolonging the service life of the contacts and ensuring the normal operation of electrical equipment.

[0003] When the prior art protective cover is in use, part of the protective cover cannot be automatically closed, and needs to be manually closed by the staff, and when the staff forgets to close the protective cover, the protective cover cannot normally protect the alloy contact, thereby reducing the practicability of the protective cover. UTILITY MODEL CONTENTS

[0004] The utility model discloses a alloy contact protective cover to solve the shortcoming in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of alloy contact protective cover, including shell, the upper surface of the shell is provided with cover plate, one side of the shell is equipped with fixing device, the fixing device includes support, the support is fixedly connected in one side of shell, the two arms of the support are rotatably connected with rotating rod, one end of two rotating rods is fixedly connected with same connecting plate, the connecting plate is fixedly connected with cover plate, the arc surface of the rotating rod is sleeved with coil spring, the both ends of the coil spring are fixedly connected with connecting plate and support respectively, the other side of the shell is fixedly connected with L-shaped plate, the surface of the L-shaped plate is slidably inserted with trapezoidal plate, the cover plate is fixedly connected with clamping piece at trapezoidal plate, one end of the trapezoidal plate is fixedly connected with spring by means of rectangular plate, one end of the spring is fixedly connected with L-shaped plate.

[0006] The effect reached by the above-mentioned components is that when the metal contact inside the shell needs to be operated, the staff first pulls the trapezoidal plate on the L-shaped plate, then rotates the cover plate when the trapezoidal plate is away from the clamping piece, the cover plate rotates with the connecting plate and the rotating rod, the coil spring deforms, the metal contact inside the shell is exposed, and the staff operates it, then releases the cover plate after operation, the cover plate moves with the clamping piece to the direction of L-shaped plate under the action of the reset force of the coil spring, then the L-shaped plate extrudes the inclined surface of the trapezoidal plate, the trapezoidal plate moves, the spring deforms, and the clamping piece is clamped by the trapezoidal plate under the action of the reset force of the spring when the clamping piece passes through the trapezoidal plate, which achieves the effect of fixing the clamping piece and the cover plate, the fixing device achieves the effect of automatic fixing of the cover plate, avoids the staff forgetting to close the cover plate, and thus reduces the practicability of the protective cover.

[0007] Preferably, the upper surface of the shell is fixedly connected with a sealing ring, and the sealing ring is matched in size with the shell.

[0008] The sealing ring can seal the gap between the cover plate and the shell, prevent water from entering the shell through the gap, and improve the protection effect of the shell and the cover plate.

[0009] Preferably, the arc surface of the shell is uniformly fixedly connected with a plurality of reinforcing ribs, and the cross section of the reinforcing rib is annular.

[0010] The reinforcing ribs improve the overall strength of the shell and prevent the shell from being damaged after long-term use.

[0011] Preferably, the upper surface of the cover plate is fixedly connected with a handle, and the cross section of the handle is U-shaped.

[0012] The handle increases the contact area between the hands of the worker and the cover plate, thereby facilitating the rotation of the cover plate by the worker.

[0013] Preferably, the upper surface of the cover plate is provided with an auxiliary device, the auxiliary device comprises a placing frame, the placing frame is fixedly connected to the upper surface of the cover plate, the surface of the placing frame is inlaid with transparent glass, the inside of the placing frame is slidably connected with a pasting plate, and the size of the pasting plate is matched with the inside size of the placing frame.

[0014] The pasting plate is moved out of the placing frame, and the worker sticks the label with the alloy contact operation effect on the pasting plate, and then moves the pasting plate back into the placing frame. The worker can watch the label through the transparent glass on the pasting plate, and the label set by the auxiliary device can help the worker quickly understand the operation effect of the alloy contact, thereby improving the practicability of the protective cover.

[0015] Preferably, the two sides of the pasting plate are fixedly connected with sliding plates, the placing frame is provided with a sliding groove corresponding to the sliding plates, and the sliding plates and the sliding groove are slidably matched.

[0016] The sliding plate of the pasting plate moves in the sliding groove of the placing groove, which limits the moving direction of the pasting plate and prevents the pasting plate from shaking.

[0017] Preferably, one side of the pasting plate is fixedly connected with a pull plate, and the surface of the pull plate is provided with a protective pattern.

[0018] The effect achieved by the above components is that the pull plate is arranged to facilitate the movement of the pasting plate by the staff, and the staff is facilitated.

[0019] Preferably, the upper surface of the placing frame is fixedly connected with a magnet, and the pull plate is an iron plate.

[0020] The effect achieved by the above components is that the magnet is arranged to fix the pasting plate by the attraction force of the iron pull plate.

[0021] In conclusion, the utility model has the advantages of:

[0022] When the metal contact inside the shell needs to be operated, the staff first pulls the trapezoidal plate on the L-shaped plate, and then rotates the cover plate when the trapezoidal plate is away from the clamping piece, so that the cover plate is rotated with the connecting plate and the rotating rod, the coil spring is deformed, and the metal contact inside the shell is exposed, and the staff operates it; when the operation is completed, the staff releases the cover plate, and the cover plate is moved to the direction of the L-shaped plate under the action of the restoring force of the coil spring, and then the L-shaped plate extrudes the inclined surface of the trapezoidal plate, the trapezoidal plate is moved, and the spring is deformed; when the clamping piece passes through the trapezoidal plate, the trapezoidal plate clamps the clamping piece under the action of the restoring force of the spring, so that the clamping piece and the cover plate are fixed, the automatic fixing effect of the cover plate is achieved through the fixing device, and the staff is prevented from forgetting to close the cover plate, so that the practicability of the protective cover is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structure schematic diagram of the cover plate of the utility model;

[0025] Figure 3 It is an enlarged view of A of the utility model; Figure 2

[0026] Figure 4 It is a three-dimensional structure schematic diagram of the L-shaped plate of the utility model;

[0027] Figure 5 It is a three-dimensional structure schematic diagram of the auxiliary device of the utility model.

[0028] ​Figure legend: 1, shell; 2, cover plate; 3, fixing device; 31, bracket; 32, rotating rod; 33, connecting plate; 34, coil spring; 35, clamping piece; 36, L-shaped plate; 37, trapezoidal plate; 38, spring; 39, handle; 310, sealing ring; 311, reinforcing rib; 4, auxiliary device; 41, placing frame; 42, transparent glass; 43, pasting plate; 44, sliding plate; 45, sliding groove; 46, pull plate; 47, magnet. DETAILED DESCRIPTION

[0029] Referring to Figures 1-5 The embodiment shown discloses an alloy contact protection cover, which comprises a shell 1, the upper surface of the shell 1 is provided with a cover plate 2, one side of the shell 1 is provided with a fixing device 3, and the upper surface of the cover plate 2 is provided with an auxiliary device 4.

[0030] Referring to Figures 1-5 The fixing device 3 comprises a bracket 31 fixedly connected to one side of the shell 1, two arms of the bracket 31 are rotatably connected with rotating rods 32, one end of the two rotating rods 32 is fixedly connected with the same connecting plate 33, the connecting plate 33 is fixedly connected with the cover plate 2, the circular arc surface of the rotating rod 32 is sleeved with a coil spring 34, both ends of the coil spring 34 are fixedly connected with the connecting plate 33 and the bracket 31 respectively, the other side of the shell 1 is fixedly connected with an L-shaped plate 36, the surface of the L-shaped plate 36 is slidably inserted with a trapezoidal plate 37, the cover plate 2 is fixedly connected with a clamping piece 35 corresponding to the trapezoidal plate 37, one end of the trapezoidal plate 37 is fixedly connected with a spring 38 through a rectangular plate, and one end of the spring 38 is fixedly connected with the L-shaped plate 36. When it is necessary to operate the metal contact inside the shell 1, the worker first pulls the trapezoidal plate 37 on the L-shaped plate 36, and then rotates the cover plate 2 after the trapezoidal plate 37 moves away from the clamping piece 35. The cover plate 2 rotates together with the connecting plate 33 and the rotating rod 32, and the coil spring 34 deforms. At this time, the metal contact inside the shell 1 is exposed, and the worker operates it. After the operation is completed, the worker releases the cover plate 2, and under the action of the restoring force of the coil spring 34, the cover plate 2 moves together with the clamping piece 35 towards the L-shaped plate 36. Then the L-shaped plate 36 extrudes the inclined surface of the trapezoidal plate 37, and the trapezoidal plate 37 moves, and the spring 38 deforms. When the clamping piece 35 passes through the trapezoidal plate 37, under the action of the restoring force of the spring 38, the trapezoidal plate 37 clamps the clamping piece 35, achieving the effect of fixing the clamping piece 35 and the cover plate 2. Through the fixing device 3, the cover plate 2 is automatically fixed, avoiding the situation that the worker forgets to close the cover plate 2, thereby reducing the practicability of the protection cover.

[0031] Referring to Figures 1-5As shown, the upper surface of the shell 1 is fixedly connected with a sealing ring 310, the size of the sealing ring 310 is adapted to the size of the shell 1. By setting the sealing ring 310, the gap between the cover plate 2 and the shell 1 is sealed, avoiding water from the gap into the inside of the shell 1, improving the protection effect of the shell 1 and the cover plate 2. The arc surface of the shell 1 is uniformly fixedly connected with a plurality of reinforcing ribs 311, and the cross section of the reinforcing rib 311 is circular. By setting the reinforcing rib 311, the overall strength of the shell 1 is improved, avoiding damage to the shell 1 after long time use. The upper surface of the cover plate 2 is fixedly connected with a handle 39, and the cross section of the handle 39 is U-shaped. By setting the handle 39, the contact area between the hands of the worker and the cover plate 2 is increased, thereby facilitating the worker to rotate the cover plate 2.

[0032] Referring to Figures 1-5 As shown, the auxiliary device 4 includes a placing frame 41 fixedly connected to the upper surface of the cover plate 2, the surface of the placing frame 41 is inlaid with transparent glass 42, the inside of the placing frame 41 is slidably connected with a pasting plate 43, and the size of the pasting plate 43 is adapted to the inside size of the placing frame 41. Before operating the alloy contact, the worker first moves the pasting plate 43, and the pasting plate 43 is moved out of the placing frame 41, at this time the worker sticks the label with alloy contact operation effect on the pasting plate 43, and finally moves the pasting plate 43 back into the placing frame 41, and the worker watches the label through the transparent glass 42 on the placing plate, and the label set by the auxiliary device 4 facilitates the worker to quickly understand the operation effect of the alloy contact, thereby improving the practicability of the protective cover.

[0033] Referring to Figures 1-5 As shown, the two sides of the pasting plate 43 are fixedly connected with a sliding plate 44, and the placing frame 41 is provided with a sliding groove 45 corresponding to the sliding plate 44, and the sliding plate 44 and the sliding groove 45 are slidably matched. By moving the sliding plate 44 of the pasting plate 43 in the sliding groove 45 of the placing groove, the moving direction of the pasting plate 43 is limited, avoiding shaking of the pasting plate 43. One side of the pasting plate 43 is fixedly connected with a pull plate 46, and the surface of the pull plate 46 is provided with a protective pattern. By setting the pull plate 46, the pasting plate 43 is moved conveniently for the worker, which brings convenience to the worker. The upper surface of the placing frame 41 is fixedly connected with a magnet 47, and the pull plate 46 is an iron plate. By setting the magnetic force of the magnet 47 to the iron pull plate 46, the pasting plate 43 is fixed.

[0034] Working principle: when the metal contact inside the shell 1 needs to be operated, the worker first pulls the trapezoidal plate 37 on the L-shaped plate 36, and then rotates the cover plate 2 through the handle 39 after the trapezoidal plate 37 moves away from the clamping piece 35, the cover plate 2 rotates with the connecting plate 33 and the rotating rod 32, the coil spring 34 is deformed, and the metal contact inside the shell 1 is exposed, the worker operates it, when the operation is completed, the worker releases the handle 39, under the action of the restoring force of the coil spring 34, the cover plate 2 moves with the clamping piece 35 to the direction of the L-shaped plate 36, then the L-shaped plate 36 extrudes the inclined surface of the trapezoidal plate 37, the trapezoidal plate 37 moves, the spring 38 deforms, when the clamping piece 35 passes through the trapezoidal plate 37, under the action of the restoring force of the spring 38, the trapezoidal plate 37 clamps the clamping piece 35, achieving the effect of fixing the clamping piece 35 and the cover plate 2, through the fixing device 3, the cover plate 2 is automatically fixed, avoiding the situation that the worker forgets to close the cover plate 2, thereby reducing the practicability of the protective cover.

[0035] Before operating the alloy contact, the worker first moves the pasting plate 43 from the placing frame 41 through the pull plate 46, and then sticks the label with alloy contact operation effect on the pasting plate 43, after that, the worker releases the pull plate 46, under the action of the magnetic force of the magnet 47 on the iron pull plate 46, the pasting plate 43 enters the inside of the placing frame 41, the worker watches the label through the transparent glass 42 on the placing plate, the label set by the auxiliary device 4 helps the worker to quickly understand the operation effect of the alloy contact, thereby improving the practicability of the protective cover.

Claims

1. An alloy contact protector shield comprising a housing (1), characterized in that: The upper surface of the shell (1) is provided with a cover plate (2), one side of the shell (1) is provided with a fixing device (3), the fixing device (3) comprises a support (31), the support (31) is fixedly connected to one side of the shell (1), both arms of the support (31) are rotatably connected with a rotating rod (32), one end of the two rotating rods (32) is fixedly connected with a same connecting plate (33), the connecting plate (33) is fixedly connected with the cover plate (2), the arc surface of the rotating rod (32) is sleeved with a coil spring (34), both ends of the coil spring (34) are fixedly connected with the connecting plate (33) and the support (31), the other side of the shell (1) is fixedly connected with an L-shaped plate (36), the surface of the L-shaped plate (36) is slidably provided with a trapezoidal plate (37), the cover plate (2) is fixedly connected with a clamping piece (35) corresponding to the trapezoidal plate (37), one end of the trapezoidal plate (37) is fixedly connected with a spring (38) through a rectangular plate, one end of the spring (38) is fixedly connected with the L-shaped plate (36).

2. An alloy contact protector according to claim 1, characterized in that: The upper surface of the shell (1) is fixedly connected with a sealing ring (310), the size of the sealing ring (310) is matched with the size of the shell (1).

3. An alloy contact protector according to claim 1, wherein: The arc surface of the shell (1) is uniformly fixedly connected with a plurality of reinforcing ribs (311), the cross section of the reinforcing rib (311) is circular ring shape.

4. An alloy contact protector according to claim 1, wherein: The upper surface of the cover plate (2) is fixedly connected with a handle (39), the cross section of the handle (39) is U-shaped.

5. An alloy contact protector according to claim 1 wherein: The upper surface of the cover plate (2) is provided with an auxiliary device (4), the auxiliary device (4) comprises a placing frame (41), the placing frame (41) is fixedly connected to the upper surface of the cover plate (2), the surface of the placing frame (41) is inlaid with a transparent glass (42), the inside of the placing frame (41) is slidably connected with a sticking plate (43), the size of the sticking plate (43) is matched with the inside size of the placing frame (41).

6. An alloy contact protector according to claim 5, characterized in that: Both sides of the sticking plate (43) are fixedly connected with a sliding plate (44), the placing frame (41) is provided with a sliding groove (45) corresponding to the sliding plate (44), the sliding plate (44) is slidably matched with the sliding groove (45).

7. An alloy contact protector according to claim 5, wherein: One side of the sticking plate (43) is fixedly connected with a pull plate (46), the surface of the pull plate (46) is provided with a protective pattern.

8. An alloy contact protector according to claim 7, characterized in that: The upper surface of the placing frame (41) is fixedly connected with a magnet (47), the pull plate (46) is an iron plate.

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