Miniature electromagnetic pump with detachable structure

Abstract

The miniature electromagnetic pump with the detachable structure comprises a coil rear shell, a coil framework, a water outlet nozzle, a water inlet pipe and a connecting assembly used for connecting the water outlet nozzle and the water inlet pipe in series, the coil framework is combined in the coil rear shell, and the outer surface wall of the coil rear shell is fixedly connected with a front cover through a first screw. In the application, the coil framework is placed in the coil rear shell, the sealing ring is placed between the contact surfaces of the coil rear shell and the front cover, then the fixation of the front rod and the coil rear shell is completed through the screw I, the retainer is arranged between the coil rear shell and the front cover in a sleeving manner, and the water inlet pipe and the connecting assembly penetrate through the front cover, the coil framework and the coil rear shell; and finally, fixing of the connecting base, the retainer and the front cover is completed through the second screw, so that the overall stability of the electromagnetic pump is guaranteed, and meanwhile, components in the electromagnetic pump can be conveniently disassembled, assembled and replaced subsequently by sequentially separating the first screw and the second screw.

Description

TECHNICAL FIELD

[0001] The utility model relates to micro electromagnetic pump technical field especially relates to a detachable structure micro electromagnetic pump. BACKGROUND

[0002] Micro electromagnetic pump is the pump of using electromagnetic force drive, it is mainly used for accurate control small flow liquid transmission. It usually comprises an electromagnetic coil, one or more permanent magnets and a diaphragm or piston. When the current passes through the electromagnetic coil, the magnetic field generated will interact with the permanent magnet, thereby driving the diaphragm or piston movement, realizes the suction and discharge of liquid.

[0003] Chinese patent publication number CN204900183U, disclosure time is December 23, 2015, improve the micro electromagnetic pump of flow precision, including: a pump body, the both ends of pump body are provided with a water inlet pipe and a water outlet pipe, form a valve cavity in the pump body, the valve cavity is communicated with water inlet pipe and water outlet pipe, the electromagnetic coil module is installed outside the pump body, the magnetic core plunger assembly is installed in the valve cavity, the valve cavity is provided with a limit column between water inlet pipe and magnetic core plunger assembly, the limit column limits the stroke of magnetic core plunger assembly in the valve cavity, the magnetic core plunger assembly includes: compression spring, iron core and one-way valve installed in the iron core, the compression spring is installed in the valve cavity and close to the one end of water inlet pipe, and the compression spring acts on the iron core.

[0004] The existing micro electromagnetic pump such as above usually adopts the mode that the coil framework is put into the mold and the shell is injection molded, in the specific implementation process, when the internal parts such as coil of electromagnetic pump appear failure, since the shell is integrally formed by injection molding, it is difficult to disassemble, often needs to be replaced as a whole, leading to that maintenance cost is greatly improved, and therefore the corresponding detachable structure micro electromagnetic pump is urgently needed to solve the above problems. SUMMARY

[0005] The utility model discloses a detachable structure micro electromagnetic pump.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A detachable structure micro electromagnetic pump, including coil back shell, coil framework, water outlet nozzle, water inlet pipe and the connecting assembly for the series connection of water outlet nozzle and water inlet pipe, the coil framework is combined in the inside of coil back shell, the outer surface wall of coil back shell is fixedly connected with front cover through screw one, the retaining cage is set between coil back shell and front cover, and the retaining cage, front cover and water outlet nozzle are detachably connected.

[0008] Preferably, the outer surface wall of the water outlet nozzle is fixedly connected with the connecting seat, and the connecting seat, the retaining cage and the front cover are fixedly connected through the screw two.

[0009] Preferably, the screw two passes through the connecting seat and the retainer through two sets of slots, and the screw two is screwed with the inner wall of the front cover.

[0010] Preferably, the inner wall of the coil rear shell is fixedly connected with a protruding column, and the outer wall of the protruding column is clamped with the outer wall of the coil framework through a clamping groove.

[0011] Preferably, the outer wall of the connecting seat is fixedly connected with a protruding rod, and the outer wall of the protruding rod is clamped with the outer wall of the retainer through a combination groove.

[0012] Preferably, a sealing ring is arranged between the coil rear shell and the front cover.

[0013] As described above, the beneficial effects of the present application are:

[0014] 1. In the present application, the coil framework is placed into the coil rear shell, the sealing ring is placed between the contact surface of the coil rear shell and the front cover, then the front rod and the coil rear shell are fixed by the screw one, the retainer is sleeved between the coil rear shell and the front cover, the water inlet pipe and the connecting assembly pass through the front cover, the coil framework and the coil rear shell, and finally the fixing of the connecting seat, the retainer and the front cover is completed by the screw two, so as to ensure the stability of the electromagnetic pump as a whole, and the internal components of the electromagnetic pump can be conveniently disassembled and replaced by sequentially separating the screw one and the screw two.

[0015] 2. In the present application, the coil rear shell is fixedly connected with a protruding column, the protruding column is clamped with the coil framework through a clamping groove, the protruding rod at the bottom of the connecting seat is combined with the retainer through a combination groove, so as to facilitate the quick alignment of the coil framework and the coil rear shell inside and the connecting seat and the retainer, thereby improving the convenience of use of the detachable structure micro electromagnetic pump. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 An overall structure schematic diagram is shown according to an embodiment of the present application;

[0017] Figure 2 A sealing ring structure schematic diagram is shown according to an embodiment of the present application;

[0018] Figure 3 A retainer structure schematic diagram is shown according to an embodiment of the present application;

[0019] Figure 4 A protruding rod structure schematic diagram is shown according to an embodiment of the present application.

[0020] LEGEND:

[0021] 1, coil back shell; 2, front cover; 3, screw one; 4, retainer; 5, water outlet nozzle; 6, water inlet pipe; 7, connecting seat; 8, coil framework; 9, sealing ring; 10, screw two; 11, combination groove; 12, protruding rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0024] A detachable structure micro electromagnetic pump, including coil back shell 1, coil framework 8, water outlet nozzle 5, water inlet pipe 6 and the connecting assembly for water outlet nozzle 5 and water inlet pipe 6 series connection, coil framework 8 is combined in the inside of coil back shell 1, the outer wall of coil back shell 1 is fixedly connected with front cover 2 through screw one 3, the sleeve of retainer 4 is arranged between coil back shell 1 and front cover 2, and retainer 4, front cover 2 and water outlet nozzle 5 are detachably connected;

[0025] Put coil framework 8 into coil back shell 1, place sealing ring 9 between the contact surface of coil back shell 1 and front cover 2, then complete the fixation of front cover 2 and coil back shell 1 through screw one 3, sleeve retainer 4 between coil back shell 1 and front cover 2, water inlet pipe 6 and connecting assembly pass through front cover 2, coil framework 8 and coil back shell 1, finally complete the fixation of connecting seat 7, retainer 4 and front cover 2 through screw two 10, so as to ensure the stability of the electromagnetic pump as a whole, and the internal components of the electromagnetic pump can be conveniently disassembled and replaced by sequentially separating screw two 10 and screw one 3 subsequently.

[0026] Specifically, as shown in Figure 2 and Figure 4 The outer wall of water outlet nozzle 5 is fixedly connected with connecting seat 7, connecting seat 7, retainer 4 and front cover 2 are fixedly connected through screw two 10, screw two 10 passes through connecting seat 7 and retainer 4 through two groups of through grooves, and screw two 10 is screw-connected with the inner wall of front cover 2 through a screw hole, so as to ensure the convenience of disassembly and assembly between connecting seat 7, retainer 4 and front cover 2.

[0027] Specifically, as shown in Figure 2 and Figure 3As shown, the inner wall of the coil rear shell 1 is fixedly connected with a protruding column, the outer wall of the protruding column is clamped with the outer wall of the coil framework 8 through a clamping groove, the outer wall of the connecting seat 7 is fixedly connected with a protruding rod 12, the outer wall of the protruding rod 12 is clamped with the outer wall of the retainer 4 through a combination groove 11, the inner part of the coil rear shell 1 is fixedly connected with a protruding column, the protruding column is clamped with the coil framework 8 through a clamping groove, the protruding rod 12 at the bottom of the connecting seat 7 is combined with the retainer 4 through the combination groove 11, so that the coil framework 8 and the inner part of the coil rear shell 1 and the connecting seat 7 and the retainer 4 can be quickly aligned, thereby improving the convenience of using the detachable structure micro electromagnetic pump, and the sealing ring 9 is arranged between the coil rear shell 1 and the front cover 2 to ensure the air tightness therebetween.

[0028] Working principle: the coil framework 8 is placed into the coil rear shell 1, the sealing ring 9 is placed between the contact surface of the coil rear shell 1 and the front cover 2, then the front cover 2 and the coil rear shell 1 are fixed through the screw 1 3, the retainer 4 is sleeved between the coil rear shell 1 and the front cover 2, the water inlet pipe 6 and the connecting assembly pass through the front cover 2, the coil framework 8 and the coil rear shell 1, finally the fixing of the connecting seat 7, the retainer 4 and the front cover 2 is completed through the screw 2 10, so as to ensure the stability of the electromagnetic pump as a whole, and the internal components of the electromagnetic pump can be conveniently disassembled and replaced by sequentially separating the screw 2 10 and the screw 1 3, the inner part of the coil rear shell 1 is fixedly connected with a protruding column, the protruding column is clamped with the coil framework 8 through a clamping groove, the protruding rod 12 at the bottom of the connecting seat 7 is combined with the retainer 4 through the combination groove 11, so that the coil framework 8 and the inner part of the coil rear shell 1 and the connecting seat 7 and the retainer 4 can be quickly aligned, thereby improving the convenience of using the detachable structure micro electromagnetic pump.

[0029] The above description of the embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Accordingly, the present application is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A detachable structure micro electromagnetic pump comprising a coil back shell (1), a coil skeleton (8), a water outlet nozzle (5), a water inlet pipe (6) and a connecting assembly for connecting the water outlet nozzle (5) and the water inlet pipe (6) in series, characterized in that, The coil skeleton (8) is combined inside the coil back shell (1), the outer wall of the coil back shell (1) is fixedly connected with the front cover (2) through the screw one (3), the coil back shell (1) and the front cover (2) are sleeved with the retainer (4), and the retainer (4), the front cover (2) and the water outlet nozzle (5) are detachably connected.

2. A micro electromagnetic pump of detachable structure according to claim 1, characterized in that, The outer wall of the water outlet nozzle (5) is fixedly connected with the connecting seat (7), the connecting seat (7), the retainer (4) and the front cover (2) are fixedly connected through the screw two (10).

3. A micro electromagnetic pump of detachable structure according to claim 2, characterized in that, The screw two (10) passes through the connecting seat (7) and the retainer (4) through two groups of through slots, and the screw two (10) is screw-connected with the inner wall of the front cover (2) through the screw hole.

4. A micro electromagnetic pump of detachable structure according to claim 3, characterized in that, The inner wall of the coil back shell (1) is fixedly connected with a convex column, and the outer wall of the convex column is clamped with the outer wall of the coil skeleton (8) through the clamping groove.

5. A micro electromagnetic pump of the detachable structure according to claim 4, characterized in that The outer wall of the connecting seat (7) is fixedly connected with the convex rod (12), and the outer wall of the convex rod (12) is clamped with the outer wall of the retainer (4) through the combination groove (11).

6. A micro electromagnetic pump of the detachable structure according to claim 5, characterized in that The coil back shell (1) and the front cover (2) are provided with the sealing ring (9).

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