Adjusting mechanism for distance between working parts of magnetic drive pump

Abstract

The utility model discloses a mechanism for adjusting the distance between working parts of a magnetic drive pump. The mechanism comprises a synchronous belt tensioning device and a magnetic drive pump fastening device which are arranged on a base. The synchronous belt tensioning device comprises a guide piece provided with a guide groove, a movable block arranged in the guide groove in a matched mode and a tensioning wheel installed on the movable block, a threaded rod is connected to the guide piece in a threaded mode and connected with the movable block, and the synchronous belt connecting the two working parts passes through the tensioning wheel. The magnetic drive pump fastening device is loosened, the working parts are released, and the distance between the two working parts can be adjusted. And the screw rod is rotated to drive the movable block to move along the guide groove, so that the tensioning wheel tensions the synchronous belt. And an operator fastens the magnetic pump fastening device to fix the position of the working part. The tensioning of the synchronous belt adopts the screw rod and the fastening nut matched with the screw rod, so that the tensioning is stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a magnetic force pump, concretely relates to the adjusting equipment of magnetic force pump. BACKGROUND

[0002] The magnetic force pump mainly comprises a pump head, a magnetic force driver, a motor, a base and several other parts. The magnetic force driver of the magnetic force pump comprises an outer magnetic rotor, an inner magnetic rotor and a non-magnetic isolation sleeve. When the motor drives the outer magnetic rotor to rotate through the shaft coupling, the magnetic field can penetrate the air gap and the non-magnetic isolation sleeve, and drive the inner magnetic rotor connected with the impeller to rotate synchronously, so as to realize the contactless synchronous transmission of power, and convert the dynamic sealing structure prone to leakage into the static sealing structure with zero leakage. For example, the patent document with the application publication number CN115822947A discloses a magnetic force pump with a low cavitation and a variable-pitch front wheel, which comprises two working parts connected by a synchronous rotating belt. SUMMARY

[0003] The utility model solves the technical problem: how to adjust the use distance between the two working parts without replacing the synchronous rotating belt.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a kind of adjusting mechanism of the distance between the working part of magnetic force pump, including the synchronous belt tensioner and magnetic force pump fastening device of installation on base, the base is equipped with guide slot, working part is arranged on adjusting plate, the bottom of adjusting plate is equipped with sliding block, sliding block is fitted in guide slot, magnetic force pump fastening device can be fixed with sliding block and fixed the position of sliding block, the synchronous belt tensioner includes the first guide piece with first guide slot, first movable block fitted in first guide slot, tensioning pulley installed on first movable block, first screw is screwed on first guide piece, and first screw is connected with first movable block, and the synchronous belt connecting two working parts passes through the tensioning pulley.

[0005] According to the above technical scheme, the magnetic force pump fastening device is loosened, and the working part is released. The working part can be displaced along the guide slot to adjust the distance between the two working parts. The operator rotates the first screw to drive the first movable block to displace along the first guide slot, so that the tensioning pulley tightens the synchronous belt. The operator fastens the magnetic force pump fastening device to fix the position of the working part.

[0006] The end of the first guide piece is provided with a first threaded hole plate, and the first screw is screwed with the threaded hole on the first threaded hole plate.

[0007] A first fastening nut is screwed on the first screw, and the first fastening nut abuts against the first threaded hole plate to lock the position of the first screw, and further lock the position of the tensioning pulley.

[0008] A pair of support plates are welded to the bottom of the first guide piece, and the bottom of the pair of support plates is welded to the base.

[0009] The side wall of the slider is fixed with a rack, the magnetic force pump fastening device comprises a second guide fixed on the side wall of the base, the second guide is provided with a second guide slot, a second movable block is matched in the second guide slot, the second movable block is fixed with a gear, the second movable block is connected with a second screw, the second screw is screwed on the second guide; a clearance slot is arranged on the side wall of the base, the clearance slot is communicated with the second guide slot and the guide slot of the base, and the gear can be engaged with the rack through the clearance slot. When the working part needs to be moved, the operator rotates the second screw, the second movable block retreats and is away from the rack. After the position of the working part is appropriate, the operator rotates the second screw, the second movable block advances, the gear is engaged with the rack, and the position of the working part is fixed. The working part is fixed in the mode that the fixed gear is engaged with the rack, and the position of the working part is stable.

[0010] The number of the guide slots on the base is one pair, the two working parts are each provided with two sliders, the two sliders of any working part are matched in the one pair of guide slots, and only one slider of any working part is fixed with the rack.

[0011] The tensioning of the synchronous belt adopts the screw and the matched fastening nut, and the tensioning is stable. The fixing of the working part adopts the fixed gear engaged with the rack, and the position of the fixed part is stable and not easy to be displaced. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model makes further explanation in combination with the drawings:

[0013] Figure 1 It is the schematic view of the spacing adjustment mechanism between the working parts of the magnetic force pump;

[0014] Figure 2 It is Figure 1 The top view of figure 8;

[0015] Figure 3 It is Figure 1 The A-A section view of figure 8;

[0016] Figure 4 It is Figure 1 The left view of figure 8.

[0017] Explanation of symbols in the drawings:

[0018] 10, base; 11, guide slot; 12, clearance slot;

[0019] 20, synchronous belt tensioning device; 21, first guide; 22, first guide slot; 23, first movable block; 24, tensioning wheel; 25, first screw; 26, first threaded hole plate; 27, first fastening nut; 28, support plate;

[0020] 30. Magnetic pump fastening device; 31. Second guide component; 32. Second guide groove; 33. Second movable block; 34. Second screw; 35. Gear;

[0021] 50. Synchronous belt;

[0022] 60. Working part; 61. Adjusting plate; 62. Slider; 63. Rack. Detailed Implementation

[0023] Combination Figure 1 , Figure 2 An adjustment mechanism for the spacing between the working parts of a magnetic pump includes a synchronous belt tensioning device 20 and a magnetic pump fastening device 30 mounted on a base 10. The base is provided with a guide groove 11, and the working part 60 is disposed on an adjusting plate 61. A slider 62 is provided at the bottom of the adjusting plate. The slider is engaged in the guide groove. The magnetic pump fastening device can abut against the slider to fix the position of the slider. The synchronous belt tensioning device 20 includes a first guide member 21 provided with a first guide groove 22, a first movable block 23 engaged in the first guide groove, and a tensioning wheel 24 mounted on the first movable block. A first screw 25 is screwed onto the first guide member. The first screw is connected to the first movable block. The synchronous belt 50 connecting the two working parts passes through the tensioning wheel.

[0024] The end of the first guide member 21 is provided with a first threaded hole plate 26, and the first screw 25 is screwed into the threaded hole on the first threaded hole plate.

[0025] A first fastening nut 27 is screwed onto the first screw 25, and the first fastening nut abuts against the first threaded plate 26.

[0026] A pair of support plates 28 are welded to the bottom of the first guide member 21, and the bottom of the pair of support plates is welded to the base 10.

[0027] like Figure 3 A rack 63 is fixed on the side wall of the slider 62. The magnetic pump fastening device 30 includes a second guide member 31 fixed on the side wall of the base 10. The second guide member is provided with a second guide groove 32. A second movable block 33 is fitted in the second guide groove. The second movable block is connected to a second screw 34. The second screw is screwed onto the second guide member. A gear 35 is fixed on the second movable block. A clearance groove 12 is opened on the side wall of the base. The clearance groove connects the second guide groove and the guide groove of the base. The gear can mesh with the rack 63 through the clearance groove.

[0028] The base 10 has a pair of guide grooves 11. Both working parts 60 are provided with two sliders 62. The two sliders of any working part are matched in a pair of guide grooves. Only one slider of any working part is fixed with a rack 63.

[0029] When adjusting the distance between the two working parts, the worker rotates the second screw 34 of the magnetic force pump fastening device 30 to drive the second movable block 33 to retreat, and the gear 35 is disengaged from the rack 63, so that the working part can be displaced along the guide groove 11 to adjust the distance between the two working parts 60. The operator rotates the first screw 25 of the synchronous tensioning device 20 to drive the first movable block 23 to displace along the first guide groove 22, so that the tensioning wheel 24 tightens the synchronous belt 50. The worker rotates the second screw 34 to make the gear 35 advance and engage with the rack 63, so as to fix the position of the working part 60.

[0030] The above merely describes the preferred embodiments of the present application, and for those skilled in the art, the specific embodiments and application scope can be changed according to the idea of the present application, and the content of the description should not be understood as limiting the present application.

Claims

1. An adjustment mechanism for the spacing between the working parts of a magnetic pump, comprising a synchronous belt tensioning device (20) and a magnetic pump fastening device (30) mounted on a base (10), wherein the base is provided with a guide groove (11), the working parts (60) are disposed on an adjusting plate (61), a slider (62) is provided at the bottom of the adjusting plate, the slider is engaged in the guide groove, and the magnetic pump fastening device is able to abut against the slider to fix the position of the slider, characterized in that: The synchronous belt tensioning device (20) comprises a first guide (21) provided with a first guide slot (22), a first movable block (23) fitted in the first guide slot, a tensioning wheel (24) installed on the first movable block, a first screw rod (25) screwed on the first guide, the first screw rod being connected with the first movable block, and a synchronous belt (50) connecting two working parts passing through the tensioning wheel.

2. The mechanism for adjusting the gap between the working portions of the magnetic drive pump according to claim 1, characterized in that: An end of the first guide (21) is provided with a first threaded hole plate (26), and the first screw rod (25) is screwed with a threaded hole in the first threaded hole plate.

3. The mechanism for adjusting the gap between the working portions of the magnetic drive pump according to claim 2, characterized in that: A first fastening nut (27) is screwed on the first screw rod (25), and the first fastening nut abuts against the first threaded hole plate (26).

4. The mechanism for adjusting the gap between the working portions of the magnetic drive pump according to claim 1, characterized in that: A pair of support plates (28) are welded on the bottom of the first guide (21), and the bottom of each support plate is welded on the base (10).

5. The mechanism for adjusting the gap between the working portions of the magnetic drive pump according to claim 1, characterized in that: A rack (63) is fixed on the side wall of the sliding block (62), the magnetic pump fastening device (30) comprises a second guide (31) fixed on the side wall of the base (10), the second guide is provided with a second guide slot (32), a second movable block (33) is fitted in the second guide slot, the second movable block is connected with a second screw rod (34), the second screw rod is screwed on the second guide, and a gear (35) is fixed on the second movable block; a gap slot (12) is formed on the side wall of the base, the gap slot is communicated with the second guide slot and a guide slot of the base, and the gear can be engaged with the rack (63) through the gap slot.

6. The mechanism for adjusting the gap between the working portions of the magnetic drive pump according to claim 5, characterized in that: The guide slots (11) on the base (10) are in pairs, each working part (60) is provided with two sliding blocks (62), the two sliding blocks of any working part are fitted in a pair of guide slots, and only one sliding block of any working part is fixed with the rack (63).

Images