High-stability leakage-proof electromagnetic pump

Abstract

The utility model discloses a leakproof electromagnetic pump with high stability, which relates to the field of electromagnetic pumps and comprises a pump body, a pump pipe is arranged outside the front side of the pump body, a coil assembly is mounted inside the pump body, an iron core is arranged on the right side of the coil assembly, and a liquid inlet rubber head is arranged inside the right side of the pump pipe. The right side of the liquid inlet rubber head is connected with the inner wall of the pump pipe through a first spring; a supporting frame is arranged in the middle of the inner side of the pump pipe, a sleeve rod is fixed to the middle of the supporting frame, and the sleeve rod is slidably connected to the right side of the liquid inlet rubber head; and a double-layer sealing bag is arranged in the right side of the pump pipe. According to the high-stability leakage-proof electromagnetic pump, in the using process, a liquid inlet rubber head can be stably supported and slide, the stability in the reciprocating sliding process is kept, deviation is prevented, meanwhile, a movable extrusion sealing structure is arranged in the pump pipe, the sealing performance of the pump pipe is enhanced under the condition that the internal space is not occupied, and the service life of the pump pipe is prolonged. And the phenomenon of liquid leakage at the subsequent joint is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic pump, concretely is a high stability leakproof electromagnetic pump. BACKGROUND

[0002] The electromagnetic pump is widely used in many fields such as chemical industry, nuclear energy, semiconductor, food and beverage, and the like, with the advantages of no mechanical moving parts, no wear and tear and good sealing performance, along with the increasing performance requirements of the electromagnetic pump, especially in stability and leakproofness, the electromagnetic pump needs to be able to operate stably for a long time to prevent fluid leakage from causing safety accidents, environmental pollution or affecting production quality, and to ensure the continuity and safety of the production process, the sealing structure design of the traditional electromagnetic pump is unreasonable, and the sealing components are prone to aging and wear after long-term operation, which increases the risk of fluid leakage.

[0003] To solve the above problems, the prior art (Chinese patent with publication number CN212583889U and publication date of February 23, 2021) is an electromagnetic pump that replaces the multiple sealing rings used in the prior art with a sealing sleeve, which can achieve sealing between the outer periphery of the pump core seat and the inner wall of the pump shell, effectively preventing air and water leakage, and has better sealing effect and easier assembly.

[0004] The above-mentioned scheme seals by setting the mutually sleeved sealing sleeves in the use process, which makes the flow-through space inside the electromagnetic pump smaller, the installation difficulty larger, and the operation less convenient, and the liquid inlet rubber head only has spring connection limiting during movement, has a certain elastic swing amplitude, and is prone to deviation during reciprocating movement, thereby affecting the normal operation of the pump body. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a high stability leakproof electromagnetic pump to solve the problem of the existing leakproof electromagnetic pump in the above background technology, which seals by setting the mutually sleeved sealing sleeves in the use process, which makes the flow-through space inside the electromagnetic pump smaller, the installation difficulty larger, and the operation less convenient, and the liquid inlet rubber head only has spring connection limiting during movement, has a certain elastic swing amplitude, and is prone to deviation during reciprocating movement, thereby affecting the normal operation of the pump body.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high stability leakproof electromagnetic pump, comprising a pump body, a pump pipe is arranged on the front side of the pump body, a coil group is installed in the pump body, an iron core is arranged on the right side of the coil group, the iron core is located in the left side of the pump pipe, a liquid inlet rubber head is arranged in the right side of the pump pipe, and the liquid inlet rubber head is connected with the inner wall of the pump pipe through a first spring.

[0007] The inner middle part of the pump pipe is provided with a support frame, the middle part of the support frame is fixed with a sleeve rod, and the sleeve rod is slidingly connected to the right side of the liquid inlet rubber head.

[0008] The right inner part of the pump pipe is provided with a double-layer sealing bag, and the sealing bag strengthens the sealing property at the pump pipe.

[0009] Further, the inner part of the pump pipe is provided with a stepped hollow space, the support frame is in abutment with the transition stage of the inner side of the pump pipe, and the support frame is provided as a circular ring structure.

[0010] Further, the middle part of the support frame is fixedly connected with a sleeve rod through a cross rod, the sleeve rod is sealingly and slidingly connected in a groove, the groove is formed in the right end of the liquid inlet rubber head, and the liquid inlet rubber head forms a stable sliding structure through the sleeve rod and the groove.

[0011] Further, a flange is installed on the right end face of the support frame, the flange is clamped and connected with an embedding groove, and the embedding groove is formed on the inner wall of the middle part of the pump pipe.

[0012] Further, an anti-backflow cover is installed on the right inner wall of the middle part of the pump pipe, the anti-backflow cover is provided as a hollow funnel structure, and the opening of the anti-backflow cover is large on the left side and small on the right side.

[0013] Further, symmetrical sliding grooves are formed on the inner wall of the right end of the pump pipe, movable blocks are slidingly connected in the sliding grooves, the movable blocks are provided as right-angled trapezoidal structures, the oblique edges of the movable blocks are outward, and second springs are installed between the movable blocks and the sliding grooves.

[0014] Further, air bags are installed in the sliding grooves, the movable blocks are extruded and abutted against the air bags, the air bags are connected in communication with the sealing bags through connecting pipes, and the sealing bags are distributed on the left and right sides outside the movable blocks.

[0015] Compared with the prior art, the pump has the advantages that:

[0016] The high-stability leak-proof electromagnetic pump can stably support and slide the liquid inlet rubber head during use, maintains the stability during reciprocating sliding, prevents deviation and affects use, and simultaneously has the movable extrusion sealing structure in the inner part of the pump pipe, so that the sealing property of the pump pipe is strengthened without occupying the inner space, and the phenomenon of liquid leakage at the subsequent connection is avoided.

[0017] 1、Further, the coil group inside the pump body is energized, cooperating with the first spring inside the pump body, which can drive the iron core to slide back and forth, when the iron core slides to the left, a gap will be generated between the iron core and the liquid inlet rubber head, and the liquid can flow into the pump cavity through the gap between the iron core and the liquid inlet rubber head, while the liquid outlet is blocked by the liquid inlet rubber head to prevent backflow, when the iron core slides to the right, the liquid inlet rubber head will extrude the liquid in the pump cavity, and push away the liquid inlet rubber head, so that the liquid is discharged through the internal space of the pump pipe, and after the discharge, the liquid inlet rubber head blocks the liquid outlet under the action of the first spring.

[0018] 2、Further, when the liquid inlet rubber head slides, the sleeve rod on the support frame will slide in the groove, thereby maintaining the stability of the liquid inlet rubber head during sliding, preventing the liquid inlet rubber head from shaking and affecting the closure of the liquid inlet, thereby affecting the use of the electromagnetic pump, the cooperation of the flange and the embedded groove of the support frame sleeve rod can position and fix the position of itself, increase the stability, and the setting of the anti-backflow cover can further prevent the backflow of the liquid outlet.

[0019] 3、Further, when the pump pipe is connected with the pipeline, the pipe is inserted into the interior of the pump pipe, thereby extruding the movable block, the movable block is extruded and retracted into the sliding groove after extruding the second spring, thereby extruding the air bag in the sliding groove, the gas in the air bag is transported to the sealing bag, the sealing bag is inflated after inflation, thereby improving the sealing performance of the connection, avoiding the leakage of the liquid. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the body and pump pipe of the utility model;

[0022] Figure 3 It is a schematic diagram of the internal structure of the pump pipe of the utility model;

[0023] Figure 4 It is a schematic diagram of the liquid inlet rubber head and sleeve rod of the utility model;

[0024] Figure 5 It is an exploded structural schematic diagram of the support frame, flange, embedded groove and anti-backflow cover of the utility model;

[0025] Figure 6 It is an exploded structural schematic diagram of the movable block, air bag and sealing bag of the utility model.

[0026] In the figure: 1, pump body; 2, pump pipe; 3, iron core; 4, liquid inlet rubber head; 5, first spring; 6, support frame; 7, sleeve rod; 8, groove; 9, flange; 10, embedding groove; 11, anti-backflow cover; 12, sliding groove; 13, movable block; 14, second spring; 15, air bag; 16, sealing bag; 17, coil group. DETAILED DESCRIPTION

[0027] 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 protection scope of the utility model.

[0028] Embodiment one: please refer to Figures 1-6 The utility model provides the following technical scheme: a kind of high stability leak-proof electromagnetic pump, the front side outside of pump body 1 is provided with pump pipe 2, the inside of pump body 1 is installed with coil group 17, the right side of coil group 17 is provided with iron core 3, iron core 3 is located the left side inside of pump pipe 2, the right side inside of pump pipe 2 is provided with liquid inlet rubber head 4, liquid inlet rubber head 4 is connected with the inner wall of pump pipe 2 by first spring 5 on the right side, the inside middle part of pump pipe 2 is provided with support frame 6, support frame 6 is fixed with sleeve rod 7 in the middle part, sleeve rod 7 is slidably connected on the right side of liquid inlet rubber head 4, the right side inside of pump pipe 2 is provided with double-layer sealing bag 16, sealing bag 16 strengthens the sealing property at the place of pump pipe 2;

[0029] When using, the coil group 17 in the inside of pump body 1 is energized, cooperates with the first spring 5 in the inside of pump body 1, can drive iron core 3 to and fro reciprocating sliding, when iron core 3 left sliding, gap will be generated between iron core 3 and liquid inlet rubber head 4, liquid can flow from the gap between iron core 3 and liquid inlet rubber head 4 into pump cavity, and liquid inlet rubber head 4 will block outlet to prevent liquid backflow, when iron core 3 right sliding, liquid inlet rubber head 4 will extrude the liquid in pump cavity, and extrude liquid inlet rubber head 4, so that liquid is discharged through the internal space of pump pipe 2, after discharging, liquid inlet rubber head 4 is blocked outlet again under the action of outlet control first spring 5, support frame 6 cooperates with sleeve rod 7 and keeps liquid inlet rubber head 4 to carry out stable reciprocating sliding, and the inside of the end of the opening of pump pipe 2 is provided with sealing bag 16, when subsequent connection with pipeline, the sealing property of butt joint can be increased, to prevent liquid leakage.

[0030] Embodiment two: on the basis of embodiment one, sleeve rod 7, groove 8, flange 9 and embedding groove 10 are also disclosed, please refer to Figures 1-5As shown in the figure, the specific structure is as follows: the inside of the pump pipe 2 is provided with a stepped hollow space, the support frame 6 is in contact with the transition stage inside the pump pipe 2, the support frame 6 is provided with a circular ring structure, the middle part of the support frame 6 is fixedly connected with a sleeve rod 7 through a cross rod, the sleeve rod 7 is sealingly and slidingly connected in a groove 8, the groove 8 is opened at the right side end of the liquid inlet rubber head 4, the liquid inlet rubber head 4 forms a stable sliding structure through the sleeve rod 7 and the groove 8, a flange 9 is installed on the right side end face of the support frame 6, the flange 9 is clamped and connected with an embedded groove 10, the embedded groove 10 is opened on the inner wall of the middle part of the pump pipe 2, a reverse flow prevention cover 11 is installed on the right side inner wall of the middle part of the pump pipe 2, the reverse flow prevention cover 11 is provided with a hollow funnel-shaped structure, the opening of the reverse flow prevention cover 11 is large on the left side and small on the right side;

[0031] In use, when the liquid inlet rubber head 4 slides, the sleeve rod 7 on the support frame 6 will slide in the groove 8, so as to maintain the stability of the liquid inlet rubber head 4 when sliding, prevent the liquid inlet rubber head 4 from shaking and affecting the closing of the liquid inlet, and thus affect the use of the electromagnetic pump, the support frame 6 can be positioned and fixed through the cooperation of the flange 9 and the embedded groove 10, the stability is increased, and the setting of the reverse flow prevention cover 11 can further prevent the backflow of liquid from the liquid outlet.

[0032] Example three: on the basis of example two, the movable block 13 and the air bag 15 are further disclosed, please refer to Figures 2-3 and Figure 6 As shown in the figure, the specific structure is as follows: the right end inner wall of the pump pipe 2 is symmetrically provided with a sliding groove 12, the movable block 13 is slidingly connected in the sliding groove 12, the movable block 13 is provided with a right-angled trapezoidal structure, the inclined edge of the movable block 13 faces outward, the second spring 14 is installed between the movable block 13 and the sliding groove 12, the air bag 15 is installed in the inside of the sliding groove 12, the movable block 13 is in extrusion contact with the air bag 15, the air bag 15 is communicated with the sealing bag 16 through a connecting pipe, and the sealing bag 16 is distributed on the left and right sides outside the movable block 13;

[0033] In use, when the pump pipe 2 is connected with the pipeline, the pipe is inserted into the inside of the pump pipe 2, and then the movable block 13 is extruded, the movable block 13 is retracted into the sliding groove 12 after extruding the second spring 14 under pressure, so as to extrude the air bag 15 in the sliding groove 12, the gas in the air bag 15 is delivered into the sealing bag 16, the sealing bag 16 is inflated to perform double sealing treatment on the connection, so as to improve the sealing performance of the connection and avoid the leakage of liquid.

[0034] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0035] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A highly stable leak-proof electromagnetic pump, comprising a pump body (1), a pump tube (2) is provided on the front exterior of the pump body (1), a coil group (17) is installed inside the pump body (1), an iron core (3) is provided on the right side of the coil group (17), the iron core (3) is located inside the left side of the pump tube (2), an inlet nozzle (4) is provided inside the right side of the pump tube (2), and the right side of the inlet nozzle (4) is connected to the inner wall of the pump tube (2) by a first spring (5); Its features are: A support frame (6) is provided in the middle of the inner side of the pump pipe (2), and a sleeve rod (7) is fixed in the middle of the support frame (6). The sleeve rod (7) is slidably connected to the right side of the liquid inlet head (4). A double-layer sealing bladder (16) is provided inside the right side of the pump pipe (2), which enhances the sealing performance of the pump pipe (2).

2. The high-stability, leak-proof electromagnetic pump according to claim 1, characterized in that: The pump pipe (2) is configured with a stepped hollow space inside, and the support frame (6) abuts against the transition stage inside the pump pipe (2). The support frame (6) is configured with a ring structure.

3. The high-stability, leak-proof electromagnetic pump according to claim 2, characterized in that: The support frame (6) is fixedly connected to a sleeve rod (7) by a crossbar in the middle. The sleeve rod (7) is slidably connected in a groove (8). The groove (8) is opened at the right end of the liquid inlet head (4). The liquid inlet head (4) forms a stable sliding structure through the sleeve rod (7) and the groove (8).

4. The high-stability leak-proof electromagnetic pump according to claim 2, characterized in that: A flange (9) is installed on the right end face of the support frame (6), and the flange (9) is engaged with the groove (10). The groove (10) is opened on the inner wall of the middle part of the pump pipe (2).

5. The high-stability leak-proof electromagnetic pump according to claim 1, characterized in that: An anti-backflow shield (11) is installed on the inner wall of the right side of the middle part of the pump pipe (2). The anti-backflow shield (11) is set as a hollow funnel-shaped structure, and the opening of the anti-backflow shield (11) is larger on the left and smaller on the right.

6. The high-stability leak-proof electromagnetic pump according to claim 1, characterized in that: The pump pipe (2) has symmetrical grooves (12) on the inner wall of the right end. A movable block (13) is slidably connected in the groove (12). The movable block (13) is set as a right trapezoidal structure with the hypotenuse of the movable block (13) facing outward. A second spring (14) is installed between the movable block (13) and the groove (12).

7. A highly stable, leak-proof electromagnetic pump according to claim 6, characterized in that: An airbag (15) is installed inside the slide groove (12). The movable block (13) is pressed against the airbag (15). The airbag (15) is connected to the sealing bag (16) through a connecting pipe. The sealing bag (16) is distributed on the left and right sides outside the movable block (13).

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