Fuse type disconnecting switch

Abstract

The utility model relates to the technical field of fuse type disconnecting switches, in particular to a fuse type disconnecting switch, which comprises a support rod I and a support rod II, an arc extinguishing cover I is fixedly sleeved outside the support rod I, an arc extinguishing cover II is fixedly sleeved outside the support rod II, and the arc extinguishing cover I and the arc extinguishing cover II are fixedly sleeved outside the support rod II. A switch handle is movably installed on the outer side wall of the second supporting rod, supports are fixedly installed between the two ends of the first supporting rod and the two ends of the second supporting rod, and a connecting rod is fixedly connected to the outer wall of the first supporting rod. According to the fuse type disconnecting switch, the fuse type disconnecting switch can be installed at a required position more stably, displacement and influence on normal use are avoided, and the protective cover which is convenient to replace is arranged, so that the protective cover can keep the protective force on the switch handle, the switch handle is prevented from being damaged, and the service life of the fuse type disconnecting switch is prevented from being influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuse -type disconnecting switch technical field, concretely is a kind of fuse -type disconnecting switch. BACKGROUND

[0002] Fuse-type disconnecting switch is a kind of electrical equipment combined with disconnecting switch and fuse function, mainly used for cutting off and isolating circuit, protecting equipment and personal safety, it can melt by the heat generated by fuse itself when current exceeds specified value, thereby disconnecting circuit, play a protective role.

[0003] In prior art, such as patent application number "CN202120423080.7" proposes a kind of fuse-type disconnecting switch, the upper movable contact and the upper static contact seat are assembled by the contact of compression spring, so that the conductive tube, upper movable contact, lower movable contact are convenient to replace, operating personnel can conveniently replace component, reduce maintenance cost, and safety performance is high.

[0004] But in the above patent application, when installing fuse-type disconnecting switch to the required position, the base of the bottom end of fuse-type disconnecting switch is fixed by connecting piece such as base matching bolt, however, only rely on the way of fixed base, only the bottom of fuse-type disconnecting switch can be fixed, and the stability is not high, and fuse-type disconnecting switch needs to be installed in high altitude, in order to ensure safety, installation stability is more needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of fuse-type disconnecting switch, to solve the problems raised in the above background.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] A kind of fuse-type disconnecting switch, including support rod one and support rod two, the support rod one outer fixed sleeve is connected with arc-extinguishing cover one, the support rod two outer fixed sleeve is connected with arc-extinguishing cover two, the outer side wall of support rod two is movably installed with switch handle, support rod one and support rod two two ends are fixedly installed with support, the outer wall of support rod one is fixedly connected with connecting rod, the outer side wall of connecting rod is fixedly connected with link plate near one end position, the one end of link plate is movably installed with connecting piece, adjusting mechanism is arranged between link plate and connecting piece, the outer portion of switch handle is provided with protection mechanism, the outer side wall of connecting piece is penetrated and is provided with a plurality of mounting holes;

[0008] The adjusting mechanism includes connecting frame, the connecting frame is slidably connected with the position outside link plate, the outer side wall of connecting frame is rotatably connected with connecting shaft, and the connecting shaft is fixedly connected with connecting piece.

[0009] Preferably, the connecting shaft outer wall is fixedly connected with a disc, and a plurality of limiting holes are formed in the disc outer side wall.

[0010] Preferably, the connecting frame outer side wall is inserted with a bolt, and the bolt is matched with the screw hole.

[0011] Preferably, the connecting frame upper end surface is provided with a horizontal groove, a sliding rod is fixedly installed in the horizontal groove, a T-shaped sliding plate is sleeved on the sliding rod, a fixed insertion rod is fixedly connected to the T-shaped sliding plate outer side wall, and the fixed insertion rod is matched with the limiting hole.

[0012] Preferably, the protection mechanism comprises a protection cover, the protection cover is sleeved on the switch handle outer position, one end of the protection cover is fixedly connected with a connecting plate, the other end of the protection cover is fixedly connected with a fixed frame, an insertion plate is inserted in the fixed frame, and the insertion plate is fixedly connected with the connecting plate.

[0013] Preferably, the fixed frame two inner side walls are provided with receiving grooves, and the receiving grooves are inserted with clamping blocks.

[0014] Preferably, the insertion plate two ends are provided with clamping grooves, and the clamping grooves are matched with the clamping blocks.

[0015] The utility model discloses the beneficial effect:

[0016] 1. In the utility model, through moving the connecting frame, the connecting piece connected by the connecting shaft can be moved, and the angle of the connecting piece is adjusted by rotating the connecting piece through the connecting shaft, so that different installation positions are adapted, after adjusting, through moving the T-shaped sliding plate, one end of the fixed insertion rod is inserted into the corresponding limiting hole, the position of the disc can be fixed, so that the position of the connecting shaft and the connecting piece can be fixed conveniently, the screw can be passed through the mounting hole on the connecting piece, and the connecting piece is fixed at the required position by cooperating with the nut, the position of the supporting rod one is supported and reinforced, so that the fuse-type disconnecting switch is more stably installed at the required position, and displacement is avoided, and normal use is affected.

[0017] 2. In the utility model, the switch handle is protected by the protection cover, damage after long-time use is avoided, and the position between the insertion plate and the fixed frame is fixed by inserting the insertion plate into the fixed frame, cooperating the clamping blocks with the spring sheets and the clamping grooves, so that the position between the fixed frame and the connecting plate is fixed, and then the protection cover is fixed outside the switch handle, the protection cover can be replaced by the staff, the protection cover can keep the protection of the switch handle, the switch handle is prevented from being damaged, and the service life of the fuse-type disconnecting switch is affected. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the following description of the embodiments or the prior art will be briefly introduced. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0019] Figure 1 is a schematic diagram of the overall structure of the present application;

[0020] Figure 2 is a schematic diagram of the structure of the present application from another perspective;

[0021] Figure 3 is a schematic diagram of the structure of the present application of the connecting plate and the connecting piece;

[0022] Figure 4 is a schematic diagram of the structure of the present application of the connecting frame; Figure 3 is an enlarged view of A in the figure;

[0023] Figure 5 is a sectional view of the connecting frame in the present application;

[0024] Figure 6 is a schematic diagram of the local structure of the connecting rod in the present application;

[0025] Figure 7 is a schematic diagram of the local structure of the connecting rod in the present application; Figure 6 is an enlarged view of B in the figure.

[0026] The reference signs in the figure are as follows:

[0027] 1, support rod one; 2, support rod two; 3, support; 4, switch handle; 5, protective cover; 6, connecting piece; 7, mounting hole; 8, connecting plate; 9, long rod; 10, connecting frame; 11, sliding rod; 12, T-shaped sliding plate; 13, disc; 14, fixed insertion rod; 15, connecting shaft; 16, sliding block; 17, bolt; 18, connecting plate; 19, fixed frame; 20, clamping block; 21, clamping groove; 22, spring piece; 23, connecting rod; 24, insertion plate; 25, arc extinguishing cover one; 26, arc extinguishing cover two. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0029] A fuse type isolating switch, as shown in Figures 1-7 The fuse type isolating switch comprises a support rod 1 and a support rod 2, an arc extinguishing cover 1 is fixedly sleeved on the outer side of the support rod 1, an arc extinguishing cover 2 is fixedly sleeved on the outer side of the support rod 2, a switch handle 4 is movably installed on the outer side wall of the support rod 2, a support 3 is fixedly installed between the two ends of the support rod 1 and the support rod 2, a connecting rod 23 is fixedly connected to the outer wall of the support rod 1, a connecting plate 8 is fixedly connected to the outer side wall of the connecting rod 23 near one end, a connecting piece 6 is movably installed at one end of the connecting plate 8, an adjusting mechanism is arranged between the connecting plate 8 and the connecting piece 6, a protection mechanism is arranged on the outer side of the switch handle 4, a plurality of mounting holes 7 are formed through the outer side wall of the connecting piece 6, the adjusting mechanism comprises a connecting frame 10 which is slidably connected to the outer side of the connecting plate 8, a connecting shaft 15 is rotatably connected to the outer side wall of the connecting frame 10 and fixedly connected to the connecting piece 6, a disc 13 is fixedly connected to the outer wall of the connecting shaft 15, and a plurality of limiting holes are formed through the outer side wall of the disc 13.

[0030] A long rod 9 is fixedly installed in the connecting plate 8, a sliding block 16 is sleeved on the outer side of the long rod 9, a plurality of screw holes are formed in the outer wall of the long rod 9, and a bolt 17 is inserted into the outer side wall of the connecting frame 10 and matched with the screw holes. One end of the bolt 17 is rotated through the connecting frame 10 and the sliding block 16 and inserted into the corresponding screw hole, so that the position of the connecting frame 10 can be fixed, and the position of the connecting piece 6 can be fixed.

[0031] A horizontal groove is formed in the upper end surface of the connecting frame 10, a sliding rod 11 is fixedly installed in the horizontal groove, a T-shaped sliding plate 12 is sleeved on the outer side of the sliding rod 11, a fixed insertion rod 14 is fixedly connected to the outer side wall of the T-shaped sliding plate 12 and matched with the limiting hole, the T-shaped sliding plate 12 is moved along the outer side of the sliding rod 11, the one end of the fixed insertion rod 14 is inserted into the corresponding limiting hole, and after the one end of the fixed insertion rod 14 is inserted into the limiting hole, the one end of the fixed insertion rod 14 is tightly fixed in the limiting hole due to the matching of the limiting hole and the fixed insertion rod 14 and the friction between the outer wall of the insertion end of the fixed insertion rod 14 and the inner wall of the limiting hole, so that the fixed insertion rod 14 is not easy to move, and the position of the disc 13 can be fixed.

[0032] In use, after the fuse-type isolating switch is installed at a desired position, the connecting frame 10 is moved along the outside of the abutment plate 8 to move the connecting piece 6 connected by the connecting shaft 15, while the slider 16 moves along the long rod 9 with the connecting frame 10, and after the connecting piece 6 is moved to a desired position, the screw 17 is inserted through the connecting frame 10 and rotated into the corresponding screw hole in the slider 16 to fix the position of the connecting frame 10, thereby fixing the position of the connecting piece 6, then the T-shaped slide plate 12 is moved along the inside of the transverse groove to move the fixing insertion rod 14 out of the limiting hole to release the fixing of the disc 13, thereby releasing the fixing of the connecting shaft 15, at this time the connecting piece 6 can be adjusted in angle by rotating the connecting shaft 15 to adapt to different installation positions, after adjustment, the T-shaped slide plate 12 is moved along the outside of the slide rod 11 to the initial position to insert the fixing insertion rod 14 into the corresponding limiting hole to fix the position of the disc 13, thereby fixing the positions of the connecting shaft 15 and the connecting piece 6, at this time the screw is inserted through the mounting hole 7 on the connecting piece 6 and fixed in a desired position with the nut to support and reinforce the position of the supporting rod 1.

[0033] The protection mechanism comprises a protection cover 5, which is sleeved outside the switch handle 4, one end of the protection cover 5 is fixedly connected with a connecting plate 18, and the other end of the protection cover 5 is fixedly connected with a fixed frame 19, the fixed frame 19 is inserted with an insertion plate 24, and the insertion plate 24 is fixedly connected with the connecting plate 18.

[0034] Both inner side walls of the fixed frame 19 are provided with receiving grooves, the receiving grooves are inserted with clamping blocks 20, one end between the clamping blocks 20 and the inner walls of the receiving grooves is fixedly connected with a plurality of spring sheets 22, both ends of the insertion plate 24 are provided with clamping grooves 21, and the clamping grooves 21 are matched with the clamping blocks 20.

[0035] Specific, push switch handle 4, so that the switch handle 4 is in the open state, the fuse in the fuse link is fused, the current is isolated, the circuit is disconnected, when the operating rod is pushed to the closed position, the fuse circuit is restored to conductive, the circuit is connected, the arc shield one 25 and the arc shield two 26 play when the circuit is disconnected, and the arc generated when the circuit is disconnected, contact, reduce the arc temperature, so as to accelerate the arc extinguishing, when the operating switch handle 4 is opened and closed, the external tool is often used to contact operation, the protective cover 5 can protect the switch handle 4 from being damaged after being contacted by the tool for a long time, and the material of the protective cover 5 is rubber, which has insulation and elasticity. The connecting plate 18 is moved away from the fixed frame 19, driving the plug plate 24 to move out of the fixed frame 19, in this process, the clamping block 20 moves along the inner wall of the clamping groove 21, which can be gradually retracted into the storage slot, so that the protective cover 5 can be separated from the two ends of the switch handle 4, so that the protective cover 5 can be removed from the switch handle 4, and then another set of protective cover 5 is sleeved on the switch handle 4, so that the plug plate 24 on the connecting plate 18 is inserted into the fixed frame 19, when inserted, the plug plate 24 on both sides is in contact with the inclined surface of the clamping block 20, under the continuous insertion of the plug plate 24, the clamping block 20 can be retracted into the storage slot, and each spring piece 22 is compressed, when the plug plate 24 is completely inserted, under the action of the elasticity of each spring piece 22, the clamping block 20 can be clamped into the clamping groove 21, so as to fix the position between the plug plate 24 and the fixed frame 19, so as to fix the position between the fixed frame 19 and the connecting plate 18, and then fix the protective cover 5 outside the switch handle 4, so as to facilitate the replacement of the protective cover 5 by the staff, so that the protective cover 5 can maintain the protection of the switch handle 4, and avoid damaging the switch handle 4 and affecting the service life of the fuse type disconnecting switch.

[0036] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A fuse-type disconnect switch, comprising a first support rod (1) and a second support rod (2), characterized in that, The support rod 1 (1) is fixedly sleeved with an arc extinguishing cover 1 (25), the support rod 2 (2) is fixedly sleeved with an arc extinguishing cover 2 (26), the outer side wall of the support rod 2 (2) is movably installed with a switch handle (4), the two ends of the support rod 1 (1) and the support rod 2 (2) are both fixedly installed with brackets (3), the outer wall of the support rod 1 (1) is fixedly connected with a connecting rod (23), the outer side wall of the connecting rod (23) is fixedly connected with a connecting plate (8) near one end, one end of the connecting plate (8) is movably installed with a connector (6), an adjustment mechanism is provided between the connecting plate (8) and the connector (6), a protective mechanism is provided on the outside of the switch handle (4), and several mounting holes (7) are opened through the outer side wall of the connector (6); The adjustment mechanism includes a connecting frame (10), which is slidably connected to a position outside the connecting plate (8). A connecting shaft (15) is rotatably connected to the outer wall of the connecting frame (10), and the connecting shaft (15) is fixedly connected to the connecting piece (6).

2. The fuse-type disconnect switch according to claim 1, characterized in that, The outer wall of the connecting shaft (15) is fixedly connected to a disc (13), and the outer wall of the disc (13) is provided with several limiting holes.

3. A fuse-type disconnector according to claim 1, characterized in that, The connecting plate (8) has a long rod (9) fixedly installed inside. The long rod (9) is fitted with a slider (16) on the outside. The long rod (9) has several screw holes on its outer wall. The connecting frame (10) has a bolt (17) inserted into its outer wall, and the bolt (17) fits into the screw hole.

4. A fuse-type disconnect switch according to claim 1, characterized in that, The upper surface of the connecting frame (10) is provided with a horizontal groove, and a slide rod (11) is fixedly installed inside the horizontal groove. A T-shaped slide plate (12) is sleeved on the outside of the slide rod (11). A fixing rod (14) is fixedly connected to the outer wall of the T-shaped slide plate (12), and the fixing rod (14) fits into the limiting hole.

5. A fuse-type disconnect switch according to claim 1, characterized in that, The protective mechanism includes a protective cover (5), which is fitted on the outside of the switch handle (4). One end of the protective cover (5) is fixedly connected to a connecting plate (18), and the other end of the protective cover (5) is fixedly connected to a fixing frame (19). A plug plate (24) is inserted inside the fixing frame (19), and the plug plate (24) is fixedly connected to the connecting plate (18).

6. A fuse-type disconnector according to claim 5, characterized in that, The fixed frame (19) has storage slots on both inner side walls, and a card block (20) is inserted inside the storage slot. One end of the card block (20) is fixedly connected to the inner wall of the storage slot with several spring pieces (22).

7. A fuse-type disconnect switch according to claim 6, characterized in that, Both ends of the insert plate (24) are provided with slots (21), and the slots (21) are matched with the card block (20).

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