Center positioning mechanism of heat dissipation end cover of metering pump

Abstract

The utility model discloses a metering pump heat dissipation end cover center positioning mechanism which comprises a hollow shell and a preparation mechanism installed in the hollow shell, the preparation mechanism comprises a clamping assembly, and the clamping assembly comprises a first motor, a first threaded column and a first threaded plate; the center positioning mechanism of the heat dissipation end cover of the metering pump is provided with a first threaded column and a first threaded plate, the first threaded column can be driven to rotate by starting a first motor, the first threaded plate can ascend and descend through rotation of the first threaded column, and the first movable plate can be driven to move through ascending and descending of the first threaded plate; the movement of the first movable plate enables the movable support to slide on the first sliding rail through the first sliding block so as to drive the clamping and positioning plates to move, the relative movement of the four sets of clamping and positioning plates can form a clamping and positioning mechanism to position the heat dissipation end cover of the metering pump, and the device only needs to start the first motor, so that the heat dissipation end cover of the metering pump can be positioned. Therefore, stable clamping and fixing can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning mechanism technical field especially relates to a center positioning mechanism of metering pump heat dissipation end cover. BACKGROUND

[0002] Center positioning mechanism mainly relates to the heat dissipation and punching positioning problem of electromagnetic metering pump, and metering pump, also called proportional pump, is a kind of equipment that can conveniently and accurately adjust liquid sending amount, and it realizes the adjustment of liquid sending amount by changing the eccentric distance of eccentric wheel to change the stroke of plug, in practical application, the heat dissipation end cover of metering pump needs accurate punching operation to ensure the heat dissipation effect and overall performance.

[0003] Most of the center positioning mechanisms on the market have too complicated structure, need to be clamped and fixed by horizontal clamp assembly and longitudinal clamp assembly respectively, cannot be stably clamped and fixed by a set of clamping assembly, and therefore a center positioning mechanism of metering pump heat dissipation end cover is needed. UTILITY MODEL CONTENT

[0004] The utility model discloses a center positioning mechanism of metering pump heat dissipation end cover, solves the problem that most of the center positioning mechanisms in the prior art have too complicated structure, need to be clamped and fixed by horizontal clamp assembly and longitudinal clamp assembly respectively, and cannot be stably clamped and fixed by a set of clamping assembly.

[0005] To achieve the above object, the utility model provides the following technical scheme: a center positioning mechanism of metering pump heat dissipation end cover, including hollow shell and preparation mechanism installed in the inside of hollow shell, the preparation mechanism includes clamping assembly;

[0006] The clamping assembly includes first motor, first threaded column, first threaded plate, first rotating shaft, first movable plate, second rotating shaft, moving support, first sliding block, first sliding rail and fixed plate, the inside bottom end of hollow shell is fixed with first motor, the rotating end of first motor is provided with first threaded plate, one side of first threaded plate is provided with first movable plate, the junction of first threaded plate and first movable plate is provided with first rotating shaft, the other end outside of first movable plate is provided with moving support, the junction of first movable plate and moving support is provided with second rotating shaft, the side wall of moving support is fixed with first sliding block, the outside of first sliding block is provided with first sliding rail, and the top of moving support is fixed with fixed plate.

[0007] Preferably, the side wall of the fixed plate is provided with a bearing, the inner side of the bearing is provided with a hand handle, one end of the hand handle is fixedly connected with a second threaded column, the other end of the second threaded column is fixedly connected with a connecting column, the periphery of the second threaded column is threadedly connected with a second threaded plate, the side wall of the second threaded plate is fixedly provided with a second sliding block, the outer side of the second sliding block is provided with a second sliding rail, one side of the second threaded plate is provided with a second movable plate, the connecting position of the second threaded plate and the second movable plate is provided with a third rotating shaft, the other end of the second movable plate is provided with a supporting plate, the connecting position of the second movable plate and the supporting plate is provided with a fourth rotating shaft, the side wall of the supporting plate is fixedly provided with a hollow clamping groove, the inner side of the hollow clamping groove is provided with a clamping plate, one end of the clamping plate is fixedly provided with a connecting plate, the other end of the connecting plate is fixedly connected with a clamping positioning plate.

[0008] Preferably, the first threaded column constitutes a rotating structure through the operation of the first motor, the first threaded column and the first threaded plate constitute a threaded connection, and the first threaded plate constitutes a rotating structure with the first movable plate through the first rotating shaft.

[0009] Preferably, the first movable plate constitutes a rotating structure with the moving support through the second rotating shaft, the moving support constitutes a sliding structure with the first sliding block and the first sliding rail, and the moving support constitutes a fixed structure with the fixed plate.

[0010] Preferably, the hand handle constitutes a rotating structure with the connecting column through the second threaded column, the second threaded column and the second threaded plate constitute a threaded connection, the hand handle constitutes a rotating structure with the fixed plate through the bearing, the second threaded plate constitutes a sliding structure with the second sliding block and the second sliding rail.

[0011] Preferably, the second threaded plate constitutes a rotating structure with the second movable plate through the third rotating shaft, the second movable plate constitutes a rotating structure with the supporting plate through the fourth rotating shaft, the supporting plate constitutes a fixed structure with the hollow clamping groove, and the hollow clamping groove constitutes a clamping structure with the clamping plate.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The center positioning mechanism of the metering pump heat dissipation end cover is provided with a first threaded column and a first threaded plate, and the first threaded column can be driven to rotate through the opening of the first motor. The rotation of the first threaded column can make the first threaded plate ascend and descend through the threaded connection of the first threaded column and the first threaded plate. The ascending and descending of the first threaded plate can drive the first movable plate to move. The movement of the first movable plate can make the movable support slide through the first sliding block and the first sliding rail, so as to drive the clamping positioning plate to move. The relative movement of the four sets of clamping positioning plates can form a clamping positioning mechanism to position the metering pump heat dissipation end cover. Only the opening of the first motor is needed to stably clamp and fix the device, which avoids the fact that most structures of the center positioning mechanism are too complicated, and the horizontal clamp assembly and the vertical clamp assembly need to be clamped and fixed respectively, which leads to the fact that one set of clamping assembly cannot be stably clamped and fixed.

[0014] 2. The center positioning mechanism of the metering pump heat dissipation end cover is provided with a second threaded column and a second threaded plate. The two sets of second threaded columns can be driven to rotate through the rotation of the hand crank by external force. The rotation of the second threaded column can make the second threaded plate move through the threaded connection of the second threaded column and the second threaded plate. The movement of the second threaded plate can make the second movable plate move. The movement of the second movable plate can make the supporting plate move, which indirectly drives the hollow clamping groove to move. The relative movement of the two sets of hollow clamping grooves can form a clamping and fixing assembly to clamp and fix the clamping plate, so as to conveniently disassemble and assemble the clamping positioning plate and replace the clamping positioning plate with different sizes or shapes. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the center positioning mechanism of the metering pump heat dissipation end cover.

[0016] Figure 2 It is a side view structure schematic view of the center positioning mechanism of the metering pump heat dissipation end cover.

[0017] Figure 3 It is a top view schematic view of the center positioning mechanism of the metering pump heat dissipation end cover.

[0018] Figure 4 It is a sectional view structure schematic view of the center positioning mechanism of the metering pump heat dissipation end cover.

[0019] In the diagram: 1. Hollow shell; 2. First motor; 3. First threaded post; 4. First threaded plate; 5. First rotating shaft; 6. First movable plate; 7. Second rotating shaft; 8. Moving bracket; 9. First slider; 10. First slide rail; 11. Fixed plate; 12. Bearing; 13. Hand handle; 14. Second threaded post; 15. Connecting post; 16. Second threaded plate; 17. Second slider; 18. Second slide rail; 19. Third rotating shaft; 20. Second movable plate; 21. Fourth rotating shaft; 22. Support plate; 23. Hollow slot; 24. Locking plate; 25. Connecting plate; 26. Clamping and positioning plate. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1

[0022] like Figure 1 , Figure 2 and Figure 3 As shown in the figure, a central positioning mechanism for a metering pump heat dissipation end cover includes a hollow shell 1 and a preparation mechanism installed inside the hollow shell 1. The preparation mechanism includes a clamping component.

[0023] The clamping assembly includes a first motor 2, a first threaded post 3, a first threaded plate 4, a first rotating shaft 5, a first movable plate 6, a second rotating shaft 7, a movable bracket 8, a first slider 9, a first slide rail 10, and a fixed plate 11. The first motor 2 is fixed to the bottom of the hollow shell 1. The first threaded plate 4 is provided at the rotating end of the first motor 2. The first movable plate 6 is provided on one side of the first threaded plate 4. The first rotating shaft 5 is provided at the connection between the first threaded plate 4 and the first movable plate 6. The movable bracket 8 is provided on the outer side of the other end of the first movable plate 6. The second rotating shaft 7 is provided at the connection between the first movable plate 6 and the movable bracket 8. The first slider 9 is fixed to the side wall of the movable bracket 8. The first slide rail 10 is provided on the outer side of the first slider 9. The fixed plate 11 is fixed above the movable bracket 8.

[0024] The first threaded column 3 constitutes a rotating structure through the operation of the first motor 2, and the first threaded column 3 and the first threaded plate 4 constitute a threaded connection, and the first threaded plate 4 constitutes a rotating structure with the first movable plate 6 through the first rotating shaft 5. By turning on the first motor 2, the first threaded column 3 can be driven to rotate, and through the threaded connection of the first threaded column 3 and the first threaded plate 4, the rotation of the first threaded column 3 can make the first threaded plate 4 ascend and descend, and the ascending and descending of the first threaded plate 4 can drive the first movable plate 6 to move.

[0025] The first movable plate 6 constitutes a rotating structure with the moving bracket 8 through the second rotating shaft 7, and the moving bracket 8 constitutes a sliding structure with the first sliding block 9 and the first sliding rail 10, and the moving bracket 8 constitutes a fixed structure with the fixed plate 11. The movement of the first movable plate 6 can make the moving bracket 8 slide with the first sliding block 9 and the first sliding rail 10, so as to drive the clamping positioning plate 26 to move. The relative movement of the four sets of clamping positioning plates 26 can form a clamping positioning mechanism to position the metering pump heat dissipation end cover, and the device only needs to be turned on by the first motor 2 to stably clamp and fix.

[0026] Embodiment 2

[0027] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the embodiment further illustrates embodiment 1. The side wall of the fixed plate 11 is provided with a bearing 12, the inner side of the bearing 12 is provided with a hand crank 13, one end of the hand crank 13 is fixedly connected with a second threaded column 14, the other end of the second threaded column 14 is fixedly connected with a connecting column 15, the outer periphery of the second threaded column 14 is threadedly connected with a second threaded plate 16, the side wall of the second threaded plate 16 is fixedly connected with a second sliding block 17, the outer side of the second sliding block 17 is provided with a second sliding rail 18, one side of the second threaded plate 16 is provided with a second movable plate 20, the connecting part of the second threaded plate 16 and the second movable plate 20 is provided with a third rotating shaft 19, the other end of the second movable plate 20 is provided with a supporting plate 22, the connecting part of the second movable plate 20 and the supporting plate 22 is provided with a fourth rotating shaft 21, the side wall of the supporting plate 22 is fixedly connected with a hollow clamping groove 23, the inner side of the hollow clamping groove 23 is provided with a clamping plate 24, one end of the clamping plate 24 is fixedly connected with a connecting plate 25, the other end of the connecting plate 25 is fixedly connected with a clamping positioning plate 26.

[0028] The hand handle 13 is in rotating structure with the connecting column 15 through the second threaded column 14, and the second threaded column 14 is in threaded connection with the second threaded plate 16, and the hand handle 13 is in rotating structure with the fixed plate 11 through the bearing 12, and the second threaded plate 16 is in sliding structure with the second sliding rail 18 through the second sliding block 17, and the hand handle 13 can be rotated by external force, and two groups of second threaded columns 14 can be driven to rotate, and the rotation of the second threaded column 14 can make the second threaded plate 16 move through the threaded connection of the second threaded column 14 and the second threaded plate 16.

[0029] The second threaded plate 16 is in rotating structure with the second movable plate 20 through the third rotating shaft 19, the second movable plate 20 is in rotating structure with the supporting plate 22 through the fourth rotating shaft 21, and the supporting plate 22 is in fixed structure with the hollow clamping groove 23, and the hollow clamping groove 23 is in clamping structure with the clamping plate 24, the movement of the second threaded plate 16 can make the second movable plate 20 move, and the movement of the second movable plate 20 can make the supporting plate 22 move, indirectly driving the hollow clamping groove 23 to move, and the relative movement of the two groups of hollow clamping grooves 23 can form a clamping and fixing assembly, and the clamping plate 24 is clamped and fixedly installed, so that the clamping and positioning plate 26 can be conveniently disassembled and assembled, and different sizes or shapes of the clamping and positioning plate 26 can be conveniently replaced.

[0030] Working principle: first, the staff needs to open the first motor 2, which can drive the first threaded column 3 to rotate, the rotation of the first threaded column 3 can make the first threaded plate 4 ascend and descend, the ascending and descending of the first threaded plate 4 can drive the first movable plate 6 to move, the movement of the first movable plate 6 can make the moving support 8 slide through the first sliding block 9 and the first sliding rail 10, so as to drive the clamping and positioning plate 26 to move, and the relative movement of the four groups of clamping and positioning plates 26 can form a clamping and positioning mechanism to position the heat dissipation end cover of the metering pump, and the device only needs to be opened by the first motor 2, so as to stably clamp and fix, and then the hand handle 13 can be rotated by external force, and two groups of second threaded columns 14 can be driven to rotate, the rotation of the second threaded column 14 can make the second threaded plate 16 move, the movement of the second threaded plate 16 can make the second movable plate 20 move, and the movement of the second movable plate 20 can make the supporting plate 22 move, indirectly driving the hollow clamping groove 23 to move, and the relative movement of the two groups of hollow clamping grooves 23 can form a clamping and fixing assembly, and the clamping plate 24 is clamped and fixedly installed, so that the clamping and positioning plate 26 can be conveniently disassembled and assembled, and different sizes or shapes of the clamping and positioning plate 26 can be conveniently replaced.

[0031] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A center positioning mechanism for a heat dissipation end cover of a metering pump, comprising a hollow shell (1) and a preparation mechanism installed inside the hollow shell (1), characterized in that: The preparation mechanism includes a clamping component; The clamping assembly includes a first motor (2), a first threaded post (3), a first threaded plate (4), a first rotating shaft (5), a first movable plate (6), a second rotating shaft (7), a movable bracket (8), a first slider (9), a first slide rail (10), and a fixed plate (11). The first motor (2) is fixed at the bottom of the hollow shell (1). The first threaded plate (4) is provided at the rotating end of the first motor (2). The first movable plate (6) is provided on one side of the first threaded plate (4). The first rotating shaft (5) is provided at the connection between the first threaded plate (4) and the first movable plate (6). The movable bracket (8) is provided on the outer side of the other end of the first movable plate (6). The second rotating shaft (7) is provided at the connection between the first movable plate (6) and the movable bracket (8). The first slider (9) is fixed on the side wall of the movable bracket (8). The first slide rail (10) is provided on the outer side of the first slider (9). The fixed plate (11) is fixed on the top of the movable bracket (8).

2. The center positioning mechanism for the heat dissipation end cover of a metering pump according to claim 1, characterized in that: The side wall of the fixed plate (11) is provided with a bearing (12), and the inner side of the bearing (12) is provided with a hand crank (13). One end of the hand crank (13) is fixedly connected to a second threaded post (14), and the other end of the second threaded post (14) is fixedly connected to a connecting post (15). The outer periphery of the second threaded post (14) is threadedly connected to a second threaded plate (16). The side wall of the second threaded plate (16) is fixed with a second slider (17), and the outer side of the second slider (17) is provided with a second slide rail (18). One side of the second threaded plate (16) is provided with a second movable plate. (20) A third rotating shaft (19) is provided at the connection between the second threaded plate (16) and the second movable plate (20). A support plate (22) is provided at the other end of the second movable plate (20). A fourth rotating shaft (21) is provided at the connection between the second movable plate (20) and the support plate (22). A hollow slot (23) is fixed on the side wall of the support plate (22). A locking plate (24) is provided on the inner side of the hollow slot (23). A connecting plate (25) is fixed at one end of the locking plate (24). A clamping positioning plate (26) is fixedly connected to the other end of the connecting plate (25).

3. The center positioning mechanism for the heat dissipation end cover of a metering pump according to claim 1, characterized in that: The first threaded column (3) forms a rotating structure through the operation of the first motor (2), and the first threaded column (3) and the first threaded plate (4) form a threaded connection, and the first threaded plate (4) forms a rotating structure through the first rotating shaft (5) and the first movable plate (6).

4. The center positioning mechanism for the heat dissipation end cover of a metering pump according to claim 1, characterized in that: The first movable plate (6) forms a rotating structure with the movable bracket (8) through the second rotating shaft (7), and the movable bracket (8) forms a sliding structure with the first slide rail (10) through the first slider (9), and the movable bracket (8) forms a fixed structure with the fixed plate (11).

5. The center positioning mechanism for the heat dissipation end cover of a metering pump according to claim 2, characterized in that: The hand crank (13) forms a rotating structure with the connecting column (15) via the second threaded post (14), and the second threaded post (14) forms a threaded connection with the second threaded plate (16). The hand crank (13) forms a rotating structure with the fixed plate (11) via the bearing (12), and the second threaded plate (16) forms a sliding structure with the second slide rail (18) via the second slider (17).

6. The center positioning mechanism for the heat dissipation end cover of a metering pump according to claim 2, characterized in that: The second threaded plate (16) forms a rotating structure with the second movable plate (20) through the third rotating shaft (19), and the second movable plate (20) forms a rotating structure with the support plate (22) through the fourth rotating shaft (21). The support plate (22) forms a fixed structure with the hollow slot (23), and the hollow slot (23) forms a locking structure with the locking plate (24).

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