Device for detecting service life of sealing ring of automobile brake pump

Abstract

The utility model relates to the technical field of sealing ring detection equipment, and particularly discloses an automobile brake pump sealing ring service life detection device which comprises a bottom plate, a mounting cylinder is arranged on the upper surface of the bottom plate through a supporting block, two ends of the upper side of the mounting cylinder are connected with storage kettles, and pressure sensors are arranged at the upper ends of the storage kettles. An air inlet and outlet management assembly is arranged on one side of each storage kettle; air pressures in the two spaces in the mounting cylinder are respectively positive pressure and negative pressure, and change values are equal, namely, peak values of air pressure change are the same under the condition that the sealing ring is not damaged, and when the sealing ring is damaged, air in the two independent spaces flows under high pressure due to the damage of the sealing ring, so that the sealing ring is prevented from being damaged, and the service life of the sealing ring is prolonged. Therefore, when the sealing ring is used, the use frequency, namely the service life of the sealing ring, of the sealing ring can be obtained only by detecting the pressure peak value change through the pressure sensor and comparing the pressure peak value change with the expansion and contraction frequency of the output end of the expansion and contraction piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing ring detection equipment technical field especially relates to a kind of automobile brake pump sealing ring life detection device. BACKGROUND

[0002] Sealing ring is widely used, and is used in various devices at present, especially in sealing at the connecting place of various pumps and pipeline facilities;And sealing ring needs to be sampled for life detection in production, so as to prevent unqualified products from flowing out of the outside world in large scale and causing adverse effects;And currently, for reciprocating moving parts such as piston, the number of times of use of sealing ring needs to be detected, so as to maintain in time before its damage, and the existing detection device cannot conveniently detect the number of times of use;Therefore, in order to solve the above technical defects, we propose a kind of automobile brake pump sealing ring life detection device. SUMMARY

[0003] The utility model aims at solving the shortcomings in the prior art, and provides an automobile brake pump sealing ring life detection device.

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

[0005] An automobile brake pump sealing ring life detection device, comprising a bottom plate, the upper surface of the bottom plate is provided with a mounting cylinder through a support block, two ends of the upper side of the mounting cylinder are connected with storage pots, pressure sensors are installed on the upper ends of the storage pots, air inlet and outlet management assemblies are arranged on one side of the storage pots, a connecting rod is arranged on the middle part of the inner ring surface of the mounting cylinder, magnetic blocks and sealing rings of plate shape are arranged on both ends and the middle part of the connecting rod respectively, a magnetic ring matched with the magnetic blocks is arranged on the outer ring surface of the mounting cylinder, and a driving assembly matched with the magnetic ring is arranged on the upper surface of the bottom plate.

[0006] Preferably, the driving assembly comprises a telescopic part and a linkage frame, the telescopic part is installed on the block body of one of the support blocks, the linkage frame is sleeved outside the magnetic ring at the upper end, and the lower end of the linkage frame is connected with the output end of the telescopic part.

[0007] Preferably, guide rods are slidably arranged on both sides of the linkage frame, and the two ends of the guide rods are connected with the adjacent support blocks.

[0008] Preferably, the air inlet and outlet management assemblies comprise air pipes and valves, the valves are installed on the pipe bodies of the air pipes, and one end of the air pipe is connected with the inside of the storage pot.

[0009] Preferably, a plurality of mounting protrusions are arranged on the outer ring surface of the mounting cylinder, and the mounting protrusions on the outer ring surface of the mounting cylinder are connected with the support blocks through bolts.

[0010] Preferably, one end of the mounting cylinder is open and is provided with a sealing cap, and a hexagonal bolt hole is arranged outside the sealing cap.

[0011] Preferably, a protective cover is arranged outside the mounting cylinder, and a plurality of flow grooves are arranged on the plate body of the magnetic block.

[0012] The automobile brake pump sealing ring service life detection device has the advantages that:

[0013] 1: In the utility model, the inside of the mounting cylinder is divided into two independent spaces by the sealing ring, and the sealing ring has different effects on the gas at the two ends of the inside of the mounting cylinder when moving, that is, the two independent spaces in the inside of the mounting cylinder are in the compressed and expanded states respectively at this time, and in the reciprocating movement process of the sealing ring, the gas pressure in the two independent spaces is in a process of continuously circulating positive pressure, normal pressure, negative pressure, normal pressure and positive pressure, and the peak value of the gas pressure change is the same under the condition that the sealing ring is not damaged, and when the sealing ring is damaged, the gas in the two independent spaces flows under high pressure due to the damage, and thus the peak value of the gas pressure is reduced, and therefore, when the utility model is used, the pressure peak value change is detected by the pressure sensor, and then the number of expansion and contraction of the output end of the expansion and contraction piece is compared, and the number of uses of the sealing ring when the sealing ring is used, that is, the service life of the sealing ring, can be obtained, and the service life of the sealing ring can be conveniently measured by the detection device.

[0014] 2: The driving assembly is arranged in the utility model, the magnetic attraction ring can be driven to move reciprocally, the number of uses of the sealing ring can be detected, the guide rod is arranged, the linkage frame moves reciprocally more stably, the air pipe and the valve are arranged, the storage pot can be conveniently subjected to the corresponding air release or air intake treatment, and the accuracy during the detection of the sealing ring can be conveniently ensured, the mounting protrusion is arranged, the mounting cylinder and the supporting block can be conveniently mounted and dismounted, the mounting cylinder can be kept in good stability during the detection of the service life of the sealing ring, the sealing cap is arranged, the sealing ring in the inside of the mounting cylinder can be replaced by the personnel, and the sample amount of the sealing ring detection can be improved, and the flow grooves are arranged, and the gas is not blocked too much when the magnetic block moves. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides a kind of automobile brake pump sealing ring service life detection device structure schematic view;

[0016] Figure 2 The utility model provides a kind of automobile brake pump sealing ring service life detection device driving assembly schematic view;

[0017] Figure 3The magnetic attraction ring and the magnetic attraction block cooperation schematic view of the automobile brake pump sealing ring service life detection device is provided.

[0018] Figure 4 The installation cylinder internal schematic view of the automobile brake pump sealing ring service life detection device is provided.

[0019] Figure 5 The linkage rod, the sealing ring and the magnetic attraction block cooperation schematic view of the automobile brake pump sealing ring service life detection device is provided.

[0020] In the figure: 1, bottom plate; 2, support block; 3, installation cylinder; 4, storage pot; 5, pressure sensor; 6, linkage rod; 7, magnetic attraction block; 8, sealing ring; 9, guide rod; 10, magnetic attraction ring; 11, telescopic piece; 12, linkage frame; 13, air pipe; 14, valve. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. EMBODIMENT

[0022] Referring to Figures 1-5 An automobile brake pump sealing ring service life detection device, including bottom plate 1, the upper surface of bottom plate 1 is provided with installation cylinder 3 through support block 2, both ends of the upper side of installation cylinder 3 are connected with storage pot 4, pressure sensor 5 is installed on the upper end of storage pot 4, the side of storage pot 4 is provided with air inlet and outlet management assembly, the middle part of the inner ring surface of installation cylinder 3 is provided with linkage rod 6, the both ends and the middle part of linkage rod 6 are respectively provided with plate-shaped magnetic attraction block 7 and sealing ring 8, the outer ring surface of installation cylinder 3 is provided with matched magnetic attraction ring 10 corresponding to magnetic attraction block 7, the upper surface of bottom plate 1 is provided with matched driving assembly corresponding to magnetic attraction ring 10. EMBODIMENT

[0023] Referring to Figures 1-5 In the case that other parts are the same as those in embodiment 1, the difference between the present embodiment and embodiment 1 is that:

[0024] The driving assembly comprises the telescopic piece 11 and the linkage frame 12, the telescopic piece 11 is installed on the block body of one of the support blocks 2, the upper end of the linkage frame 12 is sleeved outside the magnetic attraction ring 10, the lower end of the linkage frame 12 is connected with the output end of the telescopic piece 11, the two sides of the linkage frame 12 are slidably provided with the guide rods 9, the two ends of the guide rods 9 are connected with the adjacent support blocks 2, the air inlet and outlet management assembly comprises the air pipes 13 and the valves 14, the valves 14 are all installed on the pipe bodies of the air pipes 13, one end of the air pipe 13 is connected with the inside of the storage pot 4, the setting of the driving assembly facilitates the reciprocating movement of the magnetic attraction ring 10, thereby facilitating the detection of the use frequency of the sealing ring 8, and the setting of the guide rods 9 makes the reciprocating movement of the linkage frame 12 more stable; the setting of the air pipes 13 and the valves 14 makes it convenient to carry out the corresponding air release or air intake treatment on the storage pot 4, thereby facilitating the accuracy of the sealing ring 8 detection.

[0025] The outer ring surface of the mounting cylinder 3 is provided with a plurality of mounting protrusions, the mounting protrusions of the outer ring surface of the mounting cylinder 3 are connected with the support blocks 2 through bolts, one end of the mounting cylinder 3 is in an open state and is provided with a sealing cap, the outer side of the sealing cap is provided with an internal hexagonal bolt hole, the outer side of the mounting cylinder 3 is provided with a protective cover, a plurality of flow-through grooves are arranged on the plate body of the magnetic attraction block 7, the setting of the mounting protrusions facilitates the mounting and dismounting between the mounting cylinder 3 and the support blocks 2, thereby making the mounting cylinder 3 maintain good stability during the service life detection of the sealing ring 8, the setting of the sealing cap facilitates the replacement of the sealing ring 8 in the mounting cylinder 3 by personnel, so as to improve the sample amount of the sealing ring 8 detection, and the setting of the flow-through grooves avoids the great blockage of the gas when the magnetic attraction block 7 moves.

[0026] Principle and advantages: in the use process of the utility model, personnel install the sealing ring 8 needing to carry out use frequency detection to the middle part of the linkage rod 6, and install the magnetic attraction block 7 at the two ends of the linkage rod 6, then insert the linkage rod 6 into the middle part inside the mounting cylinder 3 and tighten the sealing cap, at this time, the inside of the mounting cylinder 3 is divided into two separate spaces by the sealing ring 8, and the two spaces are respectively connected with a storage pot 4 and a pressure sensor 5, then personnel close the two valves 14, at this time, the air pressure in the two independent spaces is standard atmospheric pressure, and then the driving assembly controls the reciprocating movement of the linkage frame 12, that is, the linkage frame 12 drives the magnetic attraction block 7 to move synchronously through the cylinder body of the mounting cylinder 3 under the action of the magnetic attraction ring 10, and the magnetic attraction block 7 drives the sealing ring 8 to move under the action of the linkage rod 6.

[0027] Meanwhile, in the above process, the sealing ring 8 moves and has different effects on the gas at both ends of the installation cylinder 3, that is, the two independent spaces in the installation cylinder 3 are in a compressed and expanded state at the same time, that is, the air pressure in the two spaces is in a positive pressure and a negative pressure, and the change value is equal, so that in the reciprocating movement of the sealing ring 8, the air pressure in the two independent spaces is in a positive pressure, a standard pressure, a negative pressure, a standard pressure, and a positive pressure, and the peak value of the air pressure change is the same when the sealing ring 8 is not damaged, and when the sealing ring 8 is damaged, the gas in the two independent spaces flows under high pressure due to the damage of the sealing ring 8, so that the peak value of the air pressure is reduced, therefore, when the scheme is used, only the pressure sensor 5 detects the pressure peak value change and compares it with the extension times of the extension piece 11 output end, the use frequency of the sealing ring 8 can be obtained, that is, the service life of the sealing ring 8.

[0028] It should be further pointed out that the pressure sensor 5, the magnetic block 7, the magnetic ring 10, the extension piece 11 and the valve 14 in the scheme are all conventional devices known to those skilled in the art, which can be selected or customized according to actual needs, the drive assembly is provided to drive the magnetic ring 10 to move reciprocally, so as to facilitate the detection of the use frequency of the sealing ring 8, and the guide rod 9 is provided to make the linkage frame 12 move reciprocally more stably; the air pipe 13 and the valve 14 are provided to facilitate the corresponding air discharge or air intake treatment of the storage pot 4, so as to facilitate the accuracy of the sealing ring 8 detection; the installation protrusion is provided to facilitate the installation and disassembly between the installation cylinder 3 and the support block 2, so that the installation cylinder 3 remains stable during the sealing ring 8 life detection, and the sealing cap is provided to facilitate the replacement of the sealing ring 8 in the installation cylinder 3, so as to improve the sample amount of the sealing ring 8 detection; meanwhile, the flow channel is provided to avoid the magnetic block 7 from causing large blockage to the gas when moving.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A vehicle brake pump seal ring life detection device, comprising a base plate (1), characterized in that: The upper surface of the base plate (1) is provided with a mounting cylinder (3) through a support block (2), both ends of the upper side of the mounting cylinder (3) are connected to a storage pot (4), the upper end of the storage pot (4) is provided with a pressure sensor (5), one side of the storage pot (4) is provided with an air inlet and outlet management component, a connecting rod (6) is provided in the middle of the inner ring surface of the mounting cylinder (3), and both ends and the middle of the connecting rod (6) are provided with a plate-shaped magnetic block (7) and a sealing ring (8), respectively, the outer ring surface of the mounting cylinder (3) is provided with a matching magnetic ring (10) corresponding to the magnetic block (7), and the upper surface of the base plate (1) is provided with a matching driving component corresponding to the magnetic ring (10).

2. The vehicle brake pump seal ring life detection device according to claim 1, characterized in that: The driving assembly comprises a telescopic member (11) and a linkage frame (12), wherein the telescopic member (11) is mounted on a block of one of the support blocks (2), the upper end of the linkage frame (12) is sleeved on the outside of the magnetic ring (10), and the lower end of the linkage frame (12) is connected to the output end of the telescopic member (11).

3. The vehicle brake pump seal ring life detection device according to claim 2, characterized in that: Guide rods (9) are slidably provided on both sides of the linkage frame (12), and both ends of the guide rods (9) are connected to adjacent support blocks (2).

4. The vehicle brake pump seal ring life detection device according to claim 1, characterized in that: The inlet and outlet air management components include an air pipe (13) and a valve (14), and the valve (14) is installed on the pipe body of the air pipe (13). One end of the air pipe (13) is connected to the interior of the storage pot (4).

5. The vehicle brake pump seal ring life detection device according to claim 1, characterized in that: The outer ring surface of the mounting cylinder (3) is provided with a plurality of mounting protrusions, and the mounting protrusions on the outer ring surface of the mounting cylinder (3) are connected to the support block (2) via bolts.

6. The vehicle brake pump seal ring life detection device according to claim 1, characterized in that: One end of the mounting tube (3) is in an open state and is provided with a sealing cap, and a hexagon socket bolt hole is provided on the outside of the sealing cap.

7. The vehicle brake pump seal ring life detection device according to claim 1, characterized in that: A protective cover is provided on the outside of the installation cylinder (3), and a plurality of flow slots are provided on the plate body of the magnetic attraction block (7).

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