Electromagnetic pump guide rail detection device

By designing an electromagnetic pump guide rail testing device, using a calibration rod and a telescopic cylinder to simulate piston movement, the problem of cumbersome and error-prone guide rail inner diameter testing in existing technologies has been solved, achieving efficient and accurate guide rail inner diameter testing and ensuring the quality of finished products.

CN224051236UActive Publication Date: 2026-03-27ANHUI ZHIXIN AUTOMOBILE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-26
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In the existing technology, the detection of the inner diameter of the guide rail is cumbersome and prone to error during the production process of plunger electromagnetic pumps, making it difficult to guarantee the quality of the finished product.

Method used

Design an electromagnetic pump guide rail testing device that uses a calibration bar to simulate a plunger. A telescopic cylinder drives the calibration bar to move in a sleeve with the guide rail to be tested, thereby achieving efficient inner diameter dimension testing.

Benefits of technology

This improves the efficiency and accuracy of guide rail inner diameter detection, ensuring the quality of finished guide rails.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electromagnetic pumps, in particular to an electromagnetic pump guide rail detection device, which is characterized in that a vertical beam is vertically fixed at the rear part of the top surface of a substrate; the telescopic cylinder is vertically fixed to the top of the front wall of the vertical beam, and a piston rod of the telescopic cylinder extends downwards. The top end of the connecting sleeve fixedly sleeves the bottom end of the telescopic cylinder piston rod; the top of the calibration rod is fixedly connected to the bottom of the connecting sleeve. The bottom sleeve is fixed at the front part of the top surface of the substrate, and the center line coincides with the center line of the calibration rod; and the bottom end of the cylindrical bracket is fixedly sleeved in the bottom sleeve. Therefore, when the plunger type electromagnetic pump is produced and machined, the inner diameter of the guide rail can be efficiently and accurately detected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electromagnetic pump technical field, concretely is a kind of electromagnetic pump guide rail detection device. BACKGROUND

[0002] Plunger electromagnetic pump is a kind of fluid conveying equipment combined with electromagnetic drive and plunger pump structure. When working, it generates magnetic field by energizing electromagnetic coil, drives iron plunger reciprocating in pump body, realizes liquid suction and discharge. This kind of electromagnetic pump structure is compact, small, high and stable flow precision, is suitable for metering pump scene etc.

[0003] The main components of commonly used plunger electromagnetic pump are mainly composed of electromagnetic drive part, liquid inlet end and liquid outlet end;Among them, the electromagnetic drive part mainly includes shell, coil support, electromagnetic coil, plunger, guide rail and reset spring etc., and the liquid inlet end and the liquid outlet end respectively include oil nozzle support fixedly sleeved on both ends of the coil support of the electromagnetic drive part and oil nozzle inserted in the outer port of the oil nozzle support.

[0004] When plunger electromagnetic pump works, it relies on plunger to continuously reciprocate in guide rail to realize liquid suction and discharge process, and the cooperation gap between plunger and guide rail determines the efficiency of liquid suction and discharge, so it is necessary to strictly control the inner diameter size of guide rail during production and processing stage. At present, in the production process of plunger electromagnetic pump, artificial measurement is usually used to detect the inner diameter size of the guide rail after processing. The detection work is more tedious, the efficiency is not high, and there is calibration error, so it is difficult to guarantee the quality of finished guide rail. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of electromagnetic pump guide rail detection device, to solve the problem that guide rail inner diameter size is difficult to detect efficiently and accurately in the production and processing of plunger electromagnetic pump in prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of electromagnetic pump guide rail detection device, vertical beam is vertically fixed to the top surface rear portion of the base plate;Telescopic cylinder is fixed to the top of the vertical beam front wall along vertical direction, and its piston rod extends downward;Connecting sleeve top end is fixedly sleeved in the bottom end of the telescopic cylinder piston rod;The top end of calibration rod is fixedly connected to the bottom end of the connecting sleeve;Bottom sleeve is fixed to the top surface front portion of the base plate, and the center line coincides with the center line of the calibration rod;The bottom end of cylindrical support is fixedly sleeved in the bottom sleeve.

[0007] Preferably, the bottom center of the connecting sleeve is provided with a socket matched with the top end of the calibration rod.

[0008] Preferably, the vertical beam is aluminum profile, and the front wall of the vertical beam is detachably fixed with fixing block, and the bottom end of the telescopic cylinder piston cylinder is fixedly connected to the front wall of the fixing block.

[0009] Preferably, the bottom sleeve top surface is provided with a counterbore near the outer edge position, and a hexagonal socket bolt matched with the base plate threaded sleeve is sleeved in the counterbore.

[0010] Preferably, the cylindrical support top center is provided with a column cavity, and the cylindrical support bottom center is provided with a through hole matched with the calibration rod sliding sleeve.

[0011] Preferably, the calibration rod is a tungsten steel rod.

[0012] Compared with the prior art, the electromagnetic pump guide rail detection device has the beneficial effects that:

[0013] The electromagnetic pump guide rail detection device of the utility model uses a calibration rod to simulate a plunger, sleeves the guide rail to be detected in a cylindrical support, and drives the calibration rod to move downward through a connecting sleeve of a piston rod of an expansion cylinder, so as to complete the sleeve movement with the guide rail to be detected, thereby facilitating the efficient detection of the inner diameter size of the guide rail. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic diagram of the connecting sleeve of the utility model;

[0016] Figure 3 It is a three-dimensional structure schematic diagram of the bottom sleeve of the utility model;

[0017] Figure 4 It is a three-dimensional structure schematic diagram of the cylindrical support of the utility model.

[0018] In the drawing: 1-base plate;

[0019] 2-vertical beam;

[0020] 3-fixed block;

[0021] 4-expansion cylinder;

[0022] 5-connecting sleeve; 5.1-receptacle;

[0023] 6-calibration rod;

[0024] 7-bottom sleeve; 7.1-counterbore;

[0025] 8-cylindrical support; 8.1-column cavity; 8.2-through hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described in the embodiments of the utility model combined with 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 the person skilled in the art without creative labor belong to the range protected by the utility model.

[0027] Please refer to Figures 1-4 The utility model provides a kind of technical scheme, a kind of electromagnetic pump guide rail detection device, base plate 1 is steel plate, can be bolted on workbench surface.

[0028] Vertical beam 2 is vertically fixed to the top surface rear portion of base plate 1. Among them, vertical beam 2 can use aluminum profile, aluminum profile has sliding slot along its axial direction, and fixed block 3 can be fixed at the appropriate height position of vertical beam 2 by sliding block and screw.

[0029] The bottom end of telescopic cylinder 4 piston cylinder is fixedly connected to the front wall of fixed block 3, and telescopic cylinder 4 can be selected as air cylinder, and the piston rod thereof extends downward.

[0030] The top end of connecting sleeve 5 is fixedly sleeved on the bottom end of the piston rod of telescopic cylinder 4;Among them, the top end of connecting sleeve 5 can be sleeved on the bottom end of the piston rod of telescopic cylinder 4 in threaded sleeve mode. Connecting sleeve 5 bottom center is provided with insertion hole 5.1.

[0031] The outer diameter size of calibration rod 6 is strictly customized according to the size of electromagnetic pump plunger. The top end of calibration rod 6 is fixedly sleeved in insertion hole 5.1 in interference fit mode.

[0032] Bottom sleeve 7 is fixed to the top surface front portion of base plate 1, and the center line coincides with the center line of calibration rod 6. Among them, bottom sleeve 7 top surface is provided with counterbore 7.1 near the outer edge position, and the counterbore 7.1 is sleeved with internal hexagonal bolt matched with threaded sleeve of base plate 1.

[0033] The bottom end of cylindrical support 8 is fixedly sleeved in bottom sleeve 7. Among them, the top center of cylindrical support 8 is provided with placing column cavity 8.1, and the inner diameter of placing column cavity 8.1 and the outer diameter of electromagnetic pump guide rail satisfy the active sleeve matching relationship. The bottom center of cylindrical support 8 is provided with through hole 8.2 matched with sliding sleeve of calibration rod 6.

[0034] In summary, when detecting the processed electromagnetic pump guide rail, the piston rod of telescopic cylinder 4 is in retracted state, i.e. calibration rod 6 is driven to the highest position by connecting sleeve 5.

[0035] The bottom of the guide rail to be detected is fixed into the placing column cavity 8.1 of the cylindrical support 8, then the telescopic rod is extended by the telescopic cylinder 4, the calibration rod 6 is driven to move downward by the connecting sleeve 5, so as to observe whether the calibration rod 6 can be smoothly inserted into the cavity of the guide rail and smoothly pulled out from the cavity of the guide rail along with the contraction of the telescopic cylinder 4, so as to achieve the purpose of detecting whether the size of the inner cavity of the guide rail is qualified.

[0036] In addition, a pressure sensor can also be installed between the bottom surface of the bottom sleeve 7 and the top surface of the base plate 1, the pressure sensor displays the pressure change in the process of inserting and pulling out the calibration rod 6 in the inner cavity of the guide rail through the display, so as to judge whether the sleeve movement between the calibration rod 6 and the inner cavity of the guide rail is smooth.

[0037] It should 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.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electromagnetic pump rail detection device, characterized by, The utility model relates to a kind of calibration device, including: Substrate (1); Vertical beam (2), vertical fixed in the top surface rear portion of the substrate (1); Telescopic cylinder (4), along vertical fixed in the top of the front wall of the vertical beam (2), and its piston rod extends downward; Connecting sleeve (5), top end fixed sleeve joint in the bottom end of the piston rod of the telescopic cylinder (4); Calibration rod (6), top end fixed connection in the bottom end of the connecting sleeve (5); Bottom sleeve (7), fixed in the top surface front portion of the substrate (1), and center line coincides with the center line of the calibration rod (6); Cylindrical support (8), bottom end fixed sleeve joint in the bottom sleeve (7) inside.

2. The electromagnetic pump rail detection device of claim 1, wherein: The bottom center of the connecting sleeve (5) is provided with a socket (5.1) matched with the top end sleeve joint of the calibration rod (6).

3. An electromagnetic pump rail detection device according to claim 2, wherein: The vertical beam (2) is aluminum profile, and the front wall of the vertical beam (2) can be detachably fixed with fixed block (3), and the bottom end of the piston cylinder of the telescopic cylinder (4) is fixedly connected to the front wall of the fixed block (3).

4. The electromagnetic pump rail detection apparatus of claim 1, wherein: The top surface of the bottom sleeve (7) is provided with a counterbore (7.1) near the outer edge position, and the counterbore (7.1) is sleeved with a hexagonal bolt matched with the threaded sleeve joint of the substrate (1).

5. The electromagnetic pump rail detection apparatus of claim 1, wherein: The top center of the cylindrical support (8) is provided with a column cavity (8.1), and the bottom center of the cylindrical support (8) is provided with a through hole (8.2) matched with the sliding sleeve joint of the calibration rod (6).

6. An electromagnetic pump rail detection device according to claim 1, wherein: The calibration rod (6) is tungsten steel rod.