Shore A hardness testing device for rubber ring

Abstract

The utility model discloses a rubber ring Shore A hardness testing device, and belongs to the technical field of rubber ring detection, the rubber ring Shore A hardness testing device comprises a V-shaped pressing plate and a supporting base, the V-shaped pressing plate is provided with two side edges arranged in the radial direction, the side edges extend outwards from the root to form an included angle, a V shape is jointly formed, and the V-shaped pressing plate is arranged on the supporting base. The V-shaped pressing plate is installed on the top face of the supporting base, and the supporting base is a cylinder. The technical problem that the test data of the rubber ring detected on the glass plate is unstable is solved, the accuracy of the test data and the advancement of the detection means are ensured, and the quality of the rubber ring is further ensured.

Description

Technical Field

[0001] This application relates to a device for testing the Shore A hardness of rubber rings, belonging to the field of rubber ring testing technology. Background Technology

[0002] Shore hardness is one of the important indicators symbolizing the performance of rubber materials. It is a key testing technique to ensure the heat resistance, oil resistance, and sealing of related components in diesel engines, and it has profound significance for the use and service life of O-rings in diesel engines.

[0003] For example, the integrated oil filler pipe and dipstick sleeve assembly authorized in the announcement CN114562353B dated November 5, 2024, includes an oil filler pipe assembly and an oil dipstick sleeve assembly. The oil filler pipe assembly includes an oil filler pipe plug, an oil filler pipe, and an oil filler pipe connector. The oil filler pipe connector is fixed to one end of the oil filler pipe. The oil filler pipe plug is threaded into the oil filler pipe connector, and a first sealing ring is provided between the oil filler pipe plug and the oil filler pipe connector. The oil dipstick sleeve assembly includes an oil dipstick pipe and an oil dipstick. The oil dipstick is movably inserted into the oil filler pipe, and the oil dipstick pipe is inserted into the oil filler pipe plug. A second sealing ring is provided between the oil dipstick pipe and the oil filler pipe plug.

[0004] In this patent, the second sealing ring is an O-ring to achieve a seal between the dipstick tube and the oil filling pipe plug. In order to ensure a good seal of the equipment, it is necessary to accurately detect the hardness of the sealing ring. The existing technology is to conduct the test on a glass plate, which is not accurate. In order to fully ensure the accuracy of the test data and the advancement of the testing method, a hardness testing device is needed. Utility Model Content

[0005] The technical problem to be solved by this application is to overcome the shortcomings of the prior art and provide a rubber ring Shore A hardness testing device, which solves the technical problem of unstable test data of rubber rings on a glass plate, ensures the accuracy of test data and the advancement of testing methods, and further ensures the quality of rubber rings.

[0006] The technical solution adopted by this application to solve its existing problems is:

[0007] A rubber ring Shore A hardness testing device includes a V-shaped pressure plate and a support base. The V-shaped pressure plate has two radially arranged sides that extend outward from the root to form an included angle, together constituting a V shape. The V-shaped pressure plate is mounted on the top surface of the support base, which is a cylinder.

[0008] Preferably, the included angle of the V-shaped pressure plate is provided with a V-shaped pressure plate fixing hole for connection with the support base.

[0009] Preferably, the top surface of the support base is provided with bolt holes, and the fastening bolts are installed in the bolt holes through the V-shaped pressing plate fixing holes.

[0010] Preferably, the top surface of the support base is provided with a group of semicircular grooves, which includes a first semicircular groove ring, a second semicircular groove ring and a third semicircular groove ring. The first semicircular groove ring is located at the outermost side of the top surface of the support base, and its diameter is greater than that of the second semicircular groove ring. The second semicircular groove ring is located inside the first semicircular groove ring, and its diameter is greater than that of the third semicircular groove ring. The third semicircular groove ring is located at the innermost side of the top surface of the support base.

[0011] Preferably, the outer circle diameter of the first semicircular groove is 175mm, and the semicircular groove diameter is 7mm.

[0012] Preferably, the outer circle diameter of the second semicircular groove is 120mm, and the semicircular groove diameter is 5mm.

[0013] Preferably, the outer circle diameter of the third semicircular groove is 80mm, and the semicircular groove diameter is 4.2mm.

[0014] The V-shaped pressing plate is made of 2Cr13 stainless steel plate, and the support base is made of 35CrMo round steel.

[0015] Compared with the prior art, the application has the following beneficial effects:

[0016] Under the action of the fastening bolts, the V-shaped pressing plate uniformly transmits pressure to the rubber ring, so that the part of the rubber ring to be detected is very flat, and the hardness tester pressure needle can be easily pressed in. The concave surfaces of the first semicircular groove, the second semicircular groove and the third semicircular groove are tightly combined with the outer circle of the rubber ring part, forming a whole, so that the detected rubber ring is very stable, and the accurate reading of the hardness of the rubber ring by the Shore hardness tester is realized, solving the technical problem of unstable test data of the rubber ring on the glass plate. The device is reasonably designed, has low material cost, is convenient to operate, saves cost and improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of the rubber ring Shore A hardness test device of the application;

[0018] Figure 2 It is a left view of the rubber ring Shore A hardness test device of the application;

[0019] Figure 3 It is a front view of the V-shaped pressing plate of the rubber ring Shore A hardness test device of the application;

[0020] Figure 4 It is a front view of the support base of the rubber ring Shore A hardness test device of the application.

[0021] Fig.:

[0022] 1, V-shaped clamp, 2, fastening bolt, 3, semicircular groove group, 4, support base, 5, side, 6, V-shaped clamp fixing hole, 7, bolt hole, 8, first semicircular groove ring, 9, second semicircular groove ring, 10, third semicircular groove ring. DETAILED DESCRIPTION

[0023] As some terms are used in the description and claims, the same are intended to refer to particular components. Those skilled in the art will appreciate that hardware manufacturers can refer to the same components by different names. This description and claims are not to be limited to the names selected for the components, but are to be understood by the functional aspects of the components. As used throughout this description and in the claims, "comprising" is to be interpreted as "including but not limited to." "Substantially" refers to being within an acceptable amount of error for the particular application, as would be understood by one of ordinary skill in the art.

[0024] In the description of the present application, it needs to be understood that the terms "upper", "lower", "front", "back", "left", "right", "horizontal", etc. indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] In the present application, unless otherwise expressly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] A kind of shao A hardness detection device is fully utilized V-shaped clamp and semicircular groove interaction, various models of rubber ring is stably fixed in semicircular groove, and the hardness thereof is accurately detected.

[0027] As Figures 1-4 As shown in a kind of rubber ring shao A hardness test device, including V-shaped clamp 1 and support base 4, the V-shaped clamp 1 has two radially arranged side 5, the side 5 extends from root to form an included angle, which constitutes V shape, and the included angle is 50 °. The V-shaped clamp 1 is provided with V-shaped clamp fixing hole 6 at the included angle, for being connected with support base 4.

[0028] The V-shaped pressing plate 1 is made of 2Cr13 stainless steel plate with a thickness of 5 mm, has good corrosion resistance and wear resistance, the side edge is 100.5 mm long, the edge width is 10.5 mm, and the surface roughness Ra is less than or equal to 2 μm.

[0029] The V-shaped pressing plate 1 is installed on the top surface of the support base 4, the support base 4 is a cylinder, the material of the support base 4 is 35CrMo steel, and the structure is designed to be beautiful and durable. The top surface of the support base 4 is provided with a bolt hole 7, and the fastening bolt 2 is installed in the bolt hole 7 through the V-shaped pressing plate fixing hole 6, so as to fix the V-shaped pressing plate on the top surface.

[0030] The top surface of the support base 4 is provided with a group of semicircular grooves 3, the group of semicircular grooves 3 includes a first semicircular groove ring 8, a second semicircular groove ring 9 and a third semicircular groove ring 10, which are suitable for detecting rubber rings of different sizes, and three rubber rings of different sizes can be installed at a time, saving working time and improving work efficiency. The first semicircular groove ring 8 is located at the outermost side of the top surface of the support base 4, the diameter of the first semicircular groove ring 8 is greater than that of the second semicircular groove ring 9, the second semicircular groove ring 9 is located at the inner side of the first semicircular groove ring 8, the diameter of the second semicircular groove ring 9 is greater than that of the third semicircular groove ring 10, and the third semicircular groove ring 10 is located at the innermost side of the top surface of the support base 4. The outer circle diameter of the first semicircular groove 8 is 175 mm, and the semicircular groove diameter is 7 mm. The outer circle diameter of the second semicircular groove 4 is 120 mm, and the semicircular groove diameter is 5 mm. The outer circle diameter of the third semicircular groove 10 is 80 mm, and the semicircular groove diameter is 4.2 mm.

[0031] During inspection, the rubber ring is placed in the corresponding semicircular groove, the groove design can tightly fit the rubber ring in the groove, play a stable and supporting role, the V-shaped pressing plate 1 is pressed on the rubber ring, the plane of the V-shaped pressing plate 1 is in sufficient contact with the rubber ring, the stress is uniform, the detection surface of the rubber ring is very smooth, plays a full fixing role, the fastening bolt 2 is tightened continuously, the pressure of the V-shaped pressing plate 1 on the rubber ring is increased, the stable placement of the rubber ring in the semicircular groove and the uniform transmission of the pressure are realized, the probe of the hardness tester is placed on the surface of the rubber ring, the probe is gradually pressed into the rubber ring, the value is read, multiple measurements are made, and finally the hardness value is obtained.

[0032] Under the joint action of the V-shaped pressing plate 1 and the support base 4, the concave surfaces of the first semicircular groove 8, the second semicircular groove 9 and the third semicircular groove 10 and part of the outer circle of the rubber ring are tightly combined to form a whole, so that the detected rubber ring is very stable, the Shore hardness tester can accurately read the hardness of the rubber ring, the device is designed reasonably, the material cost is low, the operation is convenient, the cost is saved, and the work efficiency is improved.

[0033] The embodiments of the present application are described in detail above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. A rubber ring Shore A hardness testing device, characterized in that: it comprises a V-shaped pressing plate (1) and a supporting base (4), the V-shaped pressing plate (1) has two radially arranged side edges (5) extending outward from the root to form an included angle, which together constitute a V shape, the V-shaped pressing plate (1) is installed on the top surface of the supporting base (4), and the supporting base (4) is a cylinder.

2. The rubber ring Shore A hardness testing device according to claim 1, characterized in that: the V-shaped pressing plate (1) is provided with a V-shaped pressing plate fixing hole (6) at the included angle, which is used to connect with the supporting base (4).

3. The rubber ring Shore A hardness testing device according to claim 2, characterized in that: the top surface of the supporting base (4) is provided with a bolt hole (7), and a fastening bolt (2) is installed in the bolt hole (7) through the V-shaped pressing plate fixing hole (6).

4. The rubber ring Shore A hardness testing device according to claim 3, characterized in that: the top surface of the supporting base (4) is provided with a group of semicircular grooves (3), the group of semicircular grooves (3) comprises a first semicircular groove ring (8), a second semicircular groove ring (9) and a third semicircular groove ring (10), the first semicircular groove ring (8) is located at the outermost side of the top surface of the supporting base (4) and has a diameter larger than that of the second semicircular groove ring (9), the second semicircular groove ring (9) is located inside the first semicircular groove ring (8) and has a diameter larger than that of the third semicircular groove ring (10), and the third semicircular groove ring (10) is located at the innermost side of the top surface of the supporting base (4).

5. The rubber ring Shore A hardness testing device according to claim 4, characterized in that: the outer circle diameter of the first semicircular groove ring (8) is 175 mm, and the semicircular groove diameter is 7 mm.

6. The rubber ring Shore A hardness testing device according to claim 4, characterized in that: the outer circle diameter of the second semicircular groove ring (9) is 120 mm, and the semicircular groove diameter is 5 mm.

7. The rubber ring Shore A hardness testing device according to claim 4, characterized in that: the outer circle diameter of the third semicircular groove ring (10) is 80 mm, and the semicircular groove diameter is 4.2 mm.

8. The rubber ring Shore A hardness testing device according to claim 7, characterized in that: the V-shaped pressing plate (1) is made of 2Cr13 stainless steel plate, and the supporting base (4) is made of 35CrMo round steel. ​ ​ ​ ​ ​ ​ ​ ​

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