Acid-resistant magnetic drive pump

Abstract

The utility model discloses an acid-resistant magnetic drive pump, which relates to the technical field of magnetic drive pumps and comprises a magnetic drive pump main body, a liquid outlet joint and a liquid inlet joint are respectively arranged at the left end of the magnetic drive pump main body, a junction box is fixedly connected to the upper end of the magnetic drive pump main body, and a box cover is inserted into the upper end of the junction box. A connecting mechanism and a clamping mechanism are arranged on the inner side of the junction box, a threading hole is formed in the inner side of the junction box, and one end of the threading hole is in threaded connection with a threading pipe. With the adoption of the structure, the U-shaped rods on the two sides of the box cover are mutually close and extruded, the clamping blocks in the clamping holes can be pushed out by sliding the end parts of the U-shaped rods on the inner sides of the clamping holes, and then the box cover can be quickly taken down by pulling the box cover upwards, so that the box cover of the junction box can be conveniently and quickly disassembled, and the junction box can be conveniently used for wiring.

Description

Technical Field

[0001] The utility model belongs to the technical field of magnetic pumps, in particular to an acid-resistant magnetic pump. Background Art

[0002] The acid-resistant magnetic pump is an efficient and safe chemical pump that uses magnetic transmission technology to achieve leakage-free operation. It is widely used in the chemical industry, pharmaceutical industry, electroplating industry and other fields, and is particularly suitable for conveying corrosive media such as strong acids and strong alkalis. The acid-resistant magnetic pump has the characteristics of compact structure, stable operation and easy maintenance, and is one of the indispensable important equipment in chemical production.

[0003] A Chinese patent with publication number CN216044464U discloses an integrated corrosion-resistant magnetic pump for waste liquid treatment, including a motor, a bracket fixedly installed on the left side of the motor, a pump casing installed on the left side of the bracket, an impeller movably sleeved inside the pump casing, the inner surface of the pump casing is provided with corrosion-resistant layer one and corrosion-resistant layer two, the outer surface of the impeller is provided with corrosion-resistant layer three and corrosion-resistant layer four, a connecting block is fixedly connected to the right side of the pump casing, a mounting plate is fixedly connected to the left side of the bracket, a mounting hole is opened inside the mounting plate, the connecting block is inserted into the mounting hole, a connecting sleeve is movably sleeved on the outside of the bracket, and the left end of the connecting sleeve is threadedly sleeved on the inner side of the connecting block.

[0004] In the above-mentioned prior art, corrosion-resistant layer one and corrosion-resistant layer two are arranged on the inner side of the pump casing, and corrosion-resistant layer one and corrosion-resistant layer two have the function of resisting acid and alkali corrosion, but in actual use, the magnetic pump still has some shortcomings, such as a junction box is arranged at the upper end of the magnetic pump for the convenience of wiring, but the box cover at the upper end of the traditional junction box is generally installed and fixed by multiple screws, and the disassembly and assembly need to rely on tools for step-by-step operation, which is very inconvenient. Secondly, the inside of the traditional magnetic pump junction box is generally connected to the external power supply circuit through the wiring terminals in the junction box, but because the main line of the external circuit is later divided into multiple branch wiring heads, and then the wiring heads are respectively connected and fixed to the wiring terminals, once the main line is pulled outside the pump body, there is a risk of the line loosening. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide an acid-resistant magnetic pump to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] An acid-resistant magnetic pump comprises a magnetic pump body, a liquid outlet joint and a liquid inlet joint are respectively provided at the left end of the magnetic pump body, a junction box is fixedly connected to the upper end of the magnetic pump body, a box cover is plugged into the upper end of the junction box, a connecting mechanism and a clamping mechanism are respectively provided on the inner side of the junction box, a threading hole is opened on the inner side of the junction box, and a threading tube is threadedly connected to one end of the threading hole;

[0008] The connecting mechanism comprises an installation cavity and a clamping hole, wherein the installation cavity is symmetrically arranged on the inner side of the junction box, a movable plate is slidably connected to the inner side of the installation cavity, springs are symmetrically fixedly arranged on the opposite sides of the movable plate and the installation cavity, a clamping block is symmetrically fixedly arranged on the side of the movable plate away from the spring, and clamping holes are symmetrically arranged on the inner side of the box cover, the clamping end of the clamping block movably penetrates the cavity wall of the installation cavity and is clamped in the clamping hole, the same U-shaped rod is slidably connected in two adjacent clamping holes on one side of the box cover, the end of the U-shaped rod and the clamping end of the clamping block are movably connected, and the box cover and the junction box can be conveniently disassembled and assembled quickly through the connecting mechanism;

[0009] The clamping mechanism includes a clamping seat and a clamping block, the clamping seat is fixedly installed on the inner side of the junction box, a rectangular hole is opened on the inner side of the clamping seat, the clamping block is slidably connected to the inner side of the rectangular hole, the clamping block and the opposite side of the rectangular hole are opened with wire clamping grooves, the inner side of the wire clamping groove is bonded with an anti-slip pad, a screw is threadedly connected to the inner side of the upper end of the clamping seat, a rotating rod is fixedly installed on the upper end of the screw, one end of the screw away from the rotating rod extends into the inner side of the rectangular hole and is rotatably connected to the upper end of the clamping block, and the outer wall of the external wiring main line can be conveniently clamped and fixed through the clamping mechanism.

[0010] As an optimal technical solution, a sliding rod is symmetrically fixedly installed on the inner side of the installation cavity, and the movable plate is slidably connected to the outside of the sliding rod. One end of the sliding rod passes through the middle of the spring, and the upper end surface of the card-engaging end of the block is inclined. Through the sliding rod, the movable plate can slide conveniently on the inside of the installation cavity.

[0011] As a preferred technical solution, the ends of the U-shaped rod are symmetrically provided with limiting grooves, and the ends of the U-shaped rod are slidably connected to the inner side of the clamping hole through the limiting grooves. Through the limiting grooves, the ends of the U-shaped rod can be limited and slid in the clamping hole.

[0012] As an optimal technical solution, a screw sleeve is fixedly installed on the inner side of the upper end of the clamp seat, one end of the screw rod is threadedly inserted into the screw sleeve, a sliding groove is symmetrically provided on the inner side of the rectangular hole, the end of the clamp block is slidably connected to the inner side of the sliding groove, and a fixing block is symmetrically fixedly connected to the outer side of the clamp seat, a fixing hole is provided on the inner side of the fixing block, and the fixing block is fixedly installed by screws passing through the fixing hole and the inner bottom of the junction box, and the screw sleeve can facilitate the screw rod thread to extend into the rectangular hole, and the sliding groove can facilitate the clamp block to slide at the rectangular hole.

[0013] As a preferred technical solution, a mounting plate is fixedly connected to the lower end of the magnetic pump body, and a mounting hole is opened on the inner side of the mounting plate. The magnetic pump body can be conveniently installed and fixed through the mounting plate.

[0014] In summary, the utility model mainly has the following beneficial effects:

[0015] First, the U-shaped rods on both sides of the box cover are squeezed close to each other, and the ends of the U-shaped rods slide inside the card hole to push out the card block in the card hole, and then the box cover can be quickly removed by pulling up, so that the box cover of the junction box can be quickly disassembled for easy wiring;

[0016] Second, pass the power supply line through the wire tube and the wire hole into the junction box, and then peel the power supply line to form a branch after passing through the rectangular hole. After connecting the power supply line branch to the internal terminal of the junction box, place the end part of the main power supply line and the branch in the wire clamping groove at the rectangular hole, and then use the rotating rod to rotate the screw rod so that the screw rod can be threaded and extended on the clamp seat and rotated to push the clamp block to slide at the rectangular hole to clamp and fix the main power supply line, thereby improving the pulling resistance between the power supply line and the terminal of the junction box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of the junction box of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of the installation cavity of the utility model;

[0020] Figure 4 It is a structural schematic diagram of a box cover of the utility model.

[0021] 1. Mounting plate; 101. Mounting hole; 2. Magnetic pump body; 3. Liquid outlet connector; 4. Liquid inlet connector; 5. Junction box; 6. Box cover; 7. Threading hole; 8. Threading tube; 9. Connecting mechanism; 901. Mounting cavity; 902. Movable plate; 903. Spring; 904. Block; 905. Block hole; 906. U-shaped rod; 10. Slide rod; 11. Clamping mechanism; 111. Clamp seat; 112. Rectangular hole; 113. Rotating rod; 114. Screw; 115. Anti-slip pad; 116. Block; 117. Wire clamping groove; 12. Slide groove; 13. Screw sleeve; 14. Fixing block; 15. Fixing hole; 16. Limiting groove. DETAILED DESCRIPTION

[0022] refer to Figures 1 to 4The acid-resistant magnetic pump described in this embodiment includes a magnetic pump body 2, a liquid outlet joint 3 and a liquid inlet joint 4 are respectively provided at the left end of the magnetic pump body 2, a junction box 5 is fixedly connected to the upper end of the magnetic pump body 2, a box cover 6 is plugged into the upper end of the junction box 5, a connecting mechanism 9 and a clamping mechanism 11 are respectively provided on the inner side of the junction box 5, a threading hole 7 is opened on the inner side of the junction box 5, and a threading tube 8 is threadedly connected to one end of the threading hole 7. An acid-alkali corrosion-resistant layer is provided in the pump shell of the magnetic pump body 2, which can make the magnetic pump body 2 have the effect of acid-alkali corrosion resistance, and a sealing ring is also provided at the edge of the junction box 5, which can form an extrusion sealing effect on the basis of the connection between the box cover 6 and the junction box 5;

[0023] The connecting mechanism 9 includes an installation cavity 901 and a clamping hole 905. The installation cavity 901 is symmetrically arranged on the inner side of the junction box 5. A movable plate 902 is slidably connected to the inner side of the installation cavity 901. Springs 903 are symmetrically fixedly installed on the opposite sides of the movable plate 902 and the installation cavity 901. A clamping block 904 is symmetrically fixedly installed on the side of the movable plate 902 away from the spring 903. Clamping holes 905 are symmetrically arranged on the inner side of the box cover 6. The clamping end of the clamping block 904 movably penetrates the cavity wall of the installation cavity 901 and is clamped with the clamping hole 905. The same U-shaped rod 906 is slidably connected in two adjacent clamping holes 905 on one side of the box cover 6. The end of the U-shaped rod 906 and the clamping end of the clamping block 904 are movably connected. When the box cover 6 and the junction box 5 are connected, the box cover 6 is inserted into the junction box 5, and during the insertion process The lower end of the box cover 6 is squeezed along the upper end surface of the card block 904, so that the movable plate 902 connected to the card block 904 slides in the installation cavity 901 and compresses the spring 903. When the card block 904 is in the position corresponding to the card hole 905 of the box cover 6, the spring 903 elastically resets and pushes the card block 904 connected to the movable plate 902 into the card hole 905, so that the box cover 6 and the junction box 5 are quickly fixed. When removing the box cover 6, the U-shaped rods 906 on both sides of the box cover 6 are squeezed close to each other, and the ends of the U-shaped rods 906 slide inside the card hole 905 to push out the card block 904 in the card hole 905. Then, the box cover 6 can be quickly removed by pulling up the box cover 6, so that the box cover 6 of the junction box 5 can be quickly disassembled and used for wiring.

[0024] The clamping mechanism 11 includes a clamping seat 111 and a clamping block 116. The clamping seat 111 is fixedly installed on the inner side of the junction box 5. A rectangular hole 112 is opened on the inner side of the clamping seat 111. The clamping block 116 is slidably connected to the inner side of the rectangular hole 112. The clamping block 116 and the opposite side of the rectangular hole 112 are both provided with a clamping groove 117. The inner side of the clamping groove 117 is bonded with an anti-slip pad 115. The inner side of the upper end of the clamping seat 111 is threadedly connected with a screw rod 114. The upper end of the screw rod 114 is fixedly installed with a rotating rod 113. The end of the screw rod 114 away from the rotating rod 113 extends into the inner side of the rectangular hole 112 and is rotatably connected to the upper end of the clamping block 116. During the wiring process of the box 5, the power supply line is passed through the wire tube 8 and the wire hole 7 into the junction box 5, and then the power supply line is peeled to form a branch after passing through the rectangular hole 112. After the power supply line branch is connected to the internal terminal of the junction box 5, the end part of the power supply main line and the branch is placed in the wire clamping groove 117 at the rectangular hole 112, and then the screw rod 114 is rotated by the rotating rod 113 so that the screw rod 114 is threaded and retracted on the clamping seat 111 and rotates to push the clamping block 116 to slide at the rectangular hole 112 to clamp and fix the power supply main line, thereby improving the pulling resistance between the power supply line and the terminal of the junction box 5.

[0025] refer to Figure 3 A slide bar 10 is symmetrically fixedly installed on the inner side of the installation cavity 901, and a movable plate 902 is slidably connected to the outer side of the slide bar 10. One end of the slide bar 10 passes through the middle of the spring 903, and the upper end surface of the card-in end of the block 904 is inclined. By sliding the movable plate 902 on the slide bar 10, the stability of the movable plate 902 can be improved. At the same time, the slide bar 10 passes through the spring 903, which can limit the deformation of the spring 903, and the upper end surface of the card-in end of the block 904 is inclined, which can facilitate the card block 904 and the box cover 6 to be connected.

[0026] refer to Figure 4 The ends of the U-shaped rod 906 are symmetrically provided with limiting grooves 16, and the ends of the U-shaped rod 906 are slidably connected to the inner side of the clamping hole 905 through the limiting grooves 16. By utilizing the limiting grooves 16 at the ends of the U-shaped rod 906, the ends of the U-shaped rod 906 can be limitedly slid in the clamping hole 905 to avoid falling off.

[0027] refer to Figure 2A screw sleeve 13 is fixedly installed on the inner side of the upper end of the clamp seat 111, and one end of the screw rod 114 is threadedly penetrated through the screw sleeve 13. A slide groove 12 is symmetrically provided on the inner side of the rectangular hole 112, and the end of the clamp block 116 is slidably connected to the inner side of the slide groove 12. A fixing block 14 is symmetrically fixedly connected to the outer side of the clamp seat 111, and a fixing hole 15 is provided on the inner side of the fixing block 14. The fixing block 14 is fixedly installed by screws penetrating the fixing hole 15 and the inner bottom of the junction box 5. The screw rod 114 is threadedly penetrated through the screw sleeve 13 on the clamp seat 111, which can facilitate the rotational connection between the lower end of the screw rod 114 and the clamp block 116 in the rectangular hole 112. The fixing block 14 with the fixing hole 15 on the clamp seat 111 can facilitate the installation and fixation of the clamp seat 111 inside the junction box 5, and the slide groove 12 at the rectangular hole 112 can facilitate the sliding of the clamp block 116 in the rectangular hole 112.

[0028] refer to Figure 1 The lower end of the magnetic pump body 2 is fixedly connected with a mounting plate 1, and a mounting hole 101 is opened on the inner side of the mounting plate 1. The mounting plate 1 with the mounting hole 101 can be used to facilitate the installation and use of the magnetic pump body 2.

[0029] Principle and advantages of use: During use, when connecting the box cover 6 and the junction box 5, the box cover 6 is inserted into the junction box 5. During the insertion process, the lower end of the box cover 6 is squeezed along the inclined surface of the upper end surface of the clamping end of the clamping block 904, so that the movable plate 902 connected to the clamping block 904 slides in the installation cavity 901 and compresses the spring 903. When the clamping end of the clamping block 904 corresponds to the position of the clamping hole 905 of the box cover 6, the spring 903 elastically resets and pushes the clamping block 904 connected to the movable plate 902 into the clamping hole 905, so that the box cover 6 and the junction box 5 are quickly fixed. When removing the box cover 6, the U-shaped rods 906 on both sides of the box cover 6 are squeezed close to each other, and the end of the U-shaped rod 906 slides inside the clamping hole 905 to push out the clamping block 904 in the clamping hole 905. Then, the box cover 6 can be quickly removed by pulling up for wiring.

[0030] During wiring through the junction box 5, the power supply line is passed through the wire tube 8 and the wire hole 7 into the junction box 5, and then the power supply line is peeled to form a branch after passing through the rectangular hole 112. After the power supply line branch is connected to the internal terminal of the junction box 5, the end part of the power supply main line and the branch is placed in the wire clamping groove 117 at the rectangular hole 112, and then the screw rod 114 is rotated by the rotating rod 113 so that the screw rod 114 is threaded and retracted on the clamp seat 111 and rotates to push the clamp block 116 to slide at the rectangular hole 112 to clamp and fix the power supply main line.

Claims

1. An acid-resistant magnetic pump, comprising a magnetic pump body (2), characterized in that: The left end of the magnetic pump body (2) is respectively provided with a liquid outlet joint (3) and a liquid inlet joint (4); the upper end of the magnetic pump body (2) is fixedly connected with a junction box (5); the upper end of the junction box (5) is plugged with a box cover (6); the inner side of the junction box (5) is respectively provided with a connecting mechanism (9) and a clamping mechanism (11); the inner side of the junction box (5) is provided with a threading hole (7); one end of the threading hole (7) is threadedly connected with a threading tube (8); The connecting mechanism (9) comprises an installation cavity (901) and a clamping hole (905); the installation cavity (901) is symmetrically arranged on the inner side of the junction box (5); a movable plate (902) is slidably connected to the inner side of the installation cavity (901); springs (903) are symmetrically fixedly installed on the opposite sides of the movable plate (902) and the installation cavity (901); a clamping block (904) is symmetrically fixedly installed on the side of the movable plate (902) away from the spring (903); the clamping holes (905) are symmetrically arranged on the inner side of the box cover (6); the clamping end of the clamping block (904) movably penetrates the cavity wall of the installation cavity (901) and is clamped with the clamping hole (905); the same U-shaped rod (906) is slidably connected to two adjacent clamping holes (905) on one side of the box cover (6); the end of the U-shaped rod (906) and the clamping end of the clamping block (904) are movably connected; The clamping mechanism (11) comprises a clamping seat (111) and a clamping block (116); the clamping seat (111) is fixedly mounted on the inner side of the junction box (5); a rectangular hole (112) is provided on the inner side of the clamping seat (111); the clamping block (116) is slidably connected to the inner side of the rectangular hole (112); opposite sides of the clamping block (116) and the rectangular hole (112) are provided with wire clamping grooves (117); an anti-slip pad (115) is bonded to the inner side of the wire clamping groove (117); a screw rod (114) is threadedly connected to the inner side of the upper end of the clamping seat (111); a rotating rod (113) is fixedly mounted on the upper end of the screw rod (114); an end of the screw rod (114) away from the rotating rod (113) extends into the inner side of the rectangular hole (112) and is rotatably connected to the upper end of the clamping block (116).

2. The acid-resistant magnetic pump according to claim 1, characterized in that: A slide bar (10) is symmetrically fixedly installed on the inner side of the installation cavity (901), and the movable plate (902) is slidably connected to the outer side of the slide bar (10). One end of the slide bar (10) passes through the middle part of the spring (903), and the upper end surface of the clamping end of the clamping block (904) is inclined.

3. The acid-resistant magnetic pump according to claim 1, characterized in that: The ends of the U-shaped rod (906) are symmetrically provided with limiting grooves (16), and the ends of the U-shaped rod (906) are slidably connected to the inner side of the clamping hole (905) through the limiting grooves (16).

4. The acid-resistant magnetic pump according to claim 1, characterized in that: A screw sleeve (13) is fixedly mounted on the inner side of the upper end of the clamp seat (111), and one end of the screw rod (114) is threadedly inserted through the screw sleeve (13).

5. The acid-resistant magnetic pump according to claim 1, characterized in that: A sliding groove (12) is symmetrically provided on the inner side of the rectangular hole (112), and the end of the clamping block (116) is slidably connected to the inner side of the sliding groove (12).

6. The acid-resistant magnetic pump according to claim 1, characterized in that: A fixing block (14) is symmetrically fixedly connected to the outer side of the clamp seat (111), a fixing hole (15) is provided on the inner side of the fixing block (14), and the fixing block (14) is fixedly installed by screws penetrating the fixing hole (15) and the inner bottom of the junction box (5).

7. The acid-resistant magnetic pump according to claim 1, characterized in that: The lower end of the magnetic pump body (2) is fixedly connected to a mounting plate (1), and a mounting hole (101) is provided on the inner side of the mounting plate (1).

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