Electromagnetic pump with disassembly protection structure

Abstract

The utility model discloses an electromagnetic pump with a disassembly protection structure, and aims to solve the technical problems that in the prior art, when a fastener is loosened in the disassembly process, an iron core group inevitably slides off, and a shell pole is possibly impacted to cause damage or the iron core group is damaged. Comprising a shell, an iron core set fixedly arranged in the shell through bolts, a control panel electrically connected with the iron core set and a cover body detachably connected with the shell. And the control panel is fixed in the cover body. The iron core group comprises a static iron core, a reciprocating shaft sleeving the static iron core and a shielding sheet fixedly sleeving the tail end of the reciprocating shaft; and the shielding sheet comprises a disc-shaped main body and a limiting bump arranged at the edge of the disc-shaped main body. The shell comprises an accommodating cavity for fixedly accommodating the iron core group; the cavity wall of the containing cavity is provided with a first limiting clamping groove matched with the disc-shaped body, a second limiting clamping groove matched with the limiting protruding block and a plurality of buckles which are evenly distributed along the circumference and connected with the edge of the disc-shaped body in a clamped mode.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic pumps, in particular to an electromagnetic pump provided with a disassembly protection structure. Background Art

[0002] Existing electromagnetic diaphragm pumps have the characteristics of high medium filling accuracy, small flow rate, and small installation space for the whole machine. Usually, the electromagnetic core group is fastened in reverse. Loosening the fasteners during the disassembly process will inevitably cause the core group to slip, which may impact the outer shell and cause damage or cause damage to the core group itself. Especially in the structure where the electromagnetic pump control motherboard is placed below, damage to the motherboard becomes an inevitable factor. Under this background, it is urgent to realize a self-locking anti-slip device in the limited assembly space and user installation space. Utility Model Content

[0003] The utility model aims to provide an electromagnetic pump with a disassembly protection structure to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An electromagnetic pump with a disassembly protection structure comprises a shell, an iron core group fixed in the shell by bolts, a control board electrically connected to the iron core group, and a cover body detachably connected to the shell; the control board is fixed in the cover body.

[0006] The core assembly comprises a static core, a reciprocating shaft sleeved with the static core, and a shielding sheet fixedly sleeved on the end of the reciprocating shaft; the shielding sheet comprises a disc-shaped body and a limiting protrusion arranged at the edge of the disc-shaped body.

[0007] The shell includes an accommodating cavity for fixing and accommodating the iron core group; the cavity wall of the accommodating cavity is provided with a first limit clamping groove matching the disc-shaped body, a second limit clamping groove matching the limit protrusion and a plurality of buckles evenly distributed along the circumference and clamped with the edge of the disc-shaped body; the buckle is contactably limitably connected to the edge of the disc-shaped body; the first limit clamping groove is contactably connected to the disc-shaped body; the limit protrusion is slidably limitably connected to the second limit clamping groove.

[0008] Preferably, the buckle is integrally formed and connected to the housing.

[0009] Preferably, the buckle is L-shaped; the buckle comprises a buckle head engaged with the shielding sheet; the buckle head is provided with a guiding inclined surface for facilitating the shielding sheet to slide in.

[0010] Preferably, the outer wall of the accommodating cavity is provided with a plurality of evenly distributed reinforcing ribs.

[0011] Preferably, the shell is detachably threadedly connected to the cover body through threaded holes at corners.

[0012] Compared with the prior art, the electromagnetic pump provided with a disassembly protection structure of the present application has the following beneficial effects:

[0013] The utility model provides a buckle for clamping the detached iron core group on the wall of the accommodating cavity of the iron core group, and the buckle is integrally formed and connected with the shell, so that the iron core group will not slide off and cause damage after disassembly without adding additional fasteners. When disassembling, the connecting bolts of the iron core group are unscrewed, and the bolts will enter the buckle along the second limiting groove to complete self-locking, and the iron core group can be taken out of the buckle by manually pressing the buckle without the aid of additional tools. The utility model has a simple structure, safe disassembly, convenient maintenance and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0015] Figure 2 This is an exploded view of the structure of an embodiment of the utility model;

[0016] Figure 3 This is a front view of the connection between the core group and the shell in the embodiment of the utility model;

[0017] Figure 4 for Figure 3 Middle AA section view;

[0018] Figure 5 This is a schematic diagram of the structure of the core group in the embodiment of the utility model;

[0019] Figure 6 This is a schematic diagram of the structure of the housing in the embodiment of the utility model;

[0020] Figure 7 for Figure 6 Enlarged view of area B.

[0021] Figure numerals: 1. outer shell; 11. threaded hole; 12. reinforcing rib; 13. accommodating chamber; 131. first limit snap-fit ​​groove; 132. second limit snap-fit ​​groove; 133. buckle; 134. buckle head; 135. guide slope; 2. bolt; 3. iron core group; 31. static iron core; 32. moving iron core; 33. reciprocating shaft; 34. shielding plate; 341. disc-shaped body; 342. limit protrusion; 4. control panel; 5. cover body. DETAILED DESCRIPTION

[0022] The following is further described in detail through specific implementation methods:

[0023] Example 1

[0024] like Figure 1-7As shown, this embodiment shows an electromagnetic pump provided with a disassembly protection structure, including a housing 1, a core group 3 fixed inside the housing 1 by bolts 2, a control board 4 electrically connected to the core group 3, and a cover body 5 detachably connected to the housing 1; the control board 4 is fixed inside the cover body 5, that is, a control board 4 bottom-mounted structure is adopted.

[0025] The core group 3 includes a static core 31, a moving core 32, a reciprocating shaft 33 respectively sleeved on the static core 31 and the moving core 32, and a shielding plate 34 fixedly sleeved on the end of the reciprocating shaft 33 through a flat gasket and a nut; the shielding plate 34 includes a disc-shaped main body 341 and a limiting protrusion 342 arranged at the edge of the disc-shaped main body 341.

[0026] The shell 1 includes a housing cavity 13 for fixing and accommodating the core group 3, and the shell 1 is detachably connected to the core group 3 by bolts 2; the wall of the housing cavity 13 is provided with a first limiting snap-in groove 131 matching the disc-shaped body 341, a second limiting snap-in groove 132 matching the limiting protrusion 342, and a plurality of snaps 133 snap-into the edge of the disc-shaped body 341; the snaps 133 are contactably limited and snap-into the edge of the disc-shaped body 341; the first limiting snap-in groove 131 is contactably connected to the disc-shaped body 341; the limiting protrusion 342 is slidably limited and connected to the second limiting snap-in groove 132. Specifically, during installation, the disc-shaped body 341 of the shielding sheet 34 can be completely snap-into Into the first limiting groove, at this time, the limiting protrusion 342 of the shielding sheet 34 is engaged with the second limiting clamping groove 132, limiting the rotation of the shielding sheet 34; disassembly type, as the connecting bolt 2 between the shell 1 and the core group 3 is loosened, the core group 3 will slide down along the second limiting clamping groove 132. At this time, if there is no buckle 133, the core group 3 will cause damage to itself and the control board 4 and the shell 1 below. The design of the buckle 133 allows the shielding sheet 34 of the core group 3 to enter the buckle 133 to complete self-locking, thereby locking the core group 3 from sliding down to prevent damage. The core group 3 can be manually removed from the buckle 133 without the aid of additional tools. The disassembly is safe, maintenance is convenient and cost-effective.

[0027] Further explanation, in further implementation of this embodiment, as Figure 7 As shown, the buckle 133 is integrally molded and connected with the housing 1, and the elastic characteristics of the polymer material of the buckle 133 are used to lock the shielding sheet 34, and the structure is reliable and stable. Further, in these embodiments, the buckle 133 is L-shaped; the buckle 133 includes a buckle head 134 that is engaged with the shielding sheet 34; the buckle head 134 is provided with a guiding inclined surface 135 that facilitates the shielding sheet 34 to slide in, so as to facilitate the disassembly and assembly of the shielding sheet 34.

[0028] Example 2

[0029] like Figure 1-7 As shown, another embodiment shows an electromagnetic pump with a disassembly protection structure, comprising a housing 1, an iron core group 3 fixed and built into the housing 1 by bolts 2, a control board 4 electrically connected to the iron core group 3, and a cover body 5 detachably connected to the housing 1; the control board 4 is fixed in the cover body 5. The iron core group 3 comprises a static iron core 31, a reciprocating shaft 33 sleeved with the static iron core 31, and a shielding sheet 34 fixedly sleeved at the end of the reciprocating shaft 33; the shielding sheet 34 comprises a disc-shaped body 341 and a limiting protrusion 342 arranged at the edge of the disc-shaped body 341. The shell 1 includes an accommodating cavity 13 for fixing and accommodating the iron core group 3; the cavity wall of the accommodating cavity 13 is provided with a first limiting snap-in groove 131 matching the disc-shaped body 341, a second limiting snap-in groove 132 matching the limiting protrusion 342 and a plurality of buckles 133 uniformly distributed along the circumference and snap-in engaged with the edge of the disc-shaped body 341; the buckle 133 is contactably limitedly snap-in engaged with the edge of the disc-shaped body 341; the first limiting snap-in groove 131 is contactably connected to the disc-shaped body 341; the limiting protrusion 342 is slidably limitedly connected to the second limiting snap-in groove 132.

[0030] Further explanation, in further implementation of this embodiment, as Figure 6 As shown, the outer wall of the accommodating cavity 13 is provided with a plurality of evenly distributed reinforcing ribs 12 to make the overall structure more stable and reliable.

[0031] Further explanation, in some further implementations of this embodiment, as Figure 6 As shown, the housing 1 is detachably threadedly connected to the cover body 5 through threaded holes 11 at the corners, and is easy to assemble and disassemble.

[0032] The above is only an embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. An electromagnetic pump provided with a disassembly protection structure, characterized in that: It comprises a shell, an iron core group fixed in the shell by bolts, a control board electrically connected to the iron core group, and a cover body detachably connected to the shell; the control board is fixed in the cover body; The iron core group includes a static iron core, a reciprocating shaft sleeved with the static iron core, and a shielding sheet fixedly sleeved on the end of the reciprocating shaft; the shielding sheet includes a disc-shaped body and a limiting protrusion arranged at the edge of the disc-shaped body; The shell includes an accommodating cavity for fixing and accommodating the iron core group; the cavity wall of the accommodating cavity is provided with a first limit clamping groove matching the disc-shaped body, a second limit clamping groove matching the limit protrusion and a plurality of buckles evenly distributed along the circumference and clamped with the edge of the disc-shaped body; the buckle is contactably limitably connected to the edge of the disc-shaped body; the first limit clamping groove is contactably connected to the disc-shaped body; the limit protrusion is slidably limitably connected to the second limit clamping groove.

2. The electromagnetic pump with a disassembly protection structure according to claim 1, characterized in that: The buckle is integrally formed and connected to the shell.

3. The electromagnetic pump with a disassembly protection structure according to claim 2, characterized in that: The buckle is L-shaped; the buckle comprises a buckle head engaged with the shielding sheet; the buckle head is provided with a guiding inclined surface for facilitating the shielding sheet to slide in.

4. The electromagnetic pump with a disassembly protection structure according to claim 1, characterized in that: The outer wall of the accommodating cavity is provided with a plurality of evenly distributed reinforcing ribs.

5. The electromagnetic pump with a disassembly protection structure according to claim 4, characterized in that: The shell is detachably threadedly connected to the cover body through threaded holes at the corners.

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