Detection jig for measuring rubber sealing ring of outer cover of motor

Abstract

The utility model relates to the field of motor outer cover rubber sealing ring detection jigs, and discloses a detection jig for measuring a motor outer cover rubber sealing ring, which comprises a jig main body, the upper surface of the jig main body is provided with a first jig groove which is profiled with the motor outer cover rubber sealing ring before baking; the bottom surface of the jig main body is provided with a second jig groove which is profiled with the baked rubber sealing ring of the outer cover of the motor. According to the utility model, a measuring jig is designed according to the dimensional tolerance requirement of a product and in combination with the thought of a go-no go gauge, so that all tests are completed in one jig, the tests are more convenient, the misuse risk is reduced, and the storage cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor outer cover rubber seal ring detection jig field, especially a kind of detection jig for measuring motor outer cover rubber seal ring. BACKGROUND

[0002] Two-dimensional, three-dimensional size measurement and go-no-go gauge are widely used in the size determination of rubber products as common quality determination means.

[0003] Two-dimensional measuring instrument obtains size by the image obtained by optical lens shooting. This process is like a camera, not used for workpiece contact and is non-contact measuring tool. Three-dimensional measuring machine obtains three-dimensional coordinate value of contact point by using probe to contact workpiece, and must obtain the coordinate of each point to be acquired by contact, which is contact measuring tool.

[0004] Go-no-go gauge, also known as smooth limit gauge, is a kind of special tool for detecting hole and shaft without scale, and is a kind of gauge. As a measurement standard, it is used for mass inspection of products. It cannot measure the actual size of workpiece, but only can determine whether the workpiece is within the specified limit size range, so as to judge whether the workpiece is qualified. Go gauge and stop gauge must be used together during measurement. Only when go gauge can pass through the measured hole, and stop gauge cannot pass through the measured hole, is the qualified product.

[0005] In actual production, if mass products are measured one by one by using measuring tools (such as projection instrument, vernier caliper, micrometer and other graduated tools), the process is relatively complex. Qualified products have a measurement range. All within this range are qualified, so people use go gauge and stop gauge to measure. Go-no-go gauge is two tools, go gauge and stop gauge. Go gauge passes through stop gauge to be qualified, and go gauge and stop gauge both do not pass or both pass to be unqualified.

[0006] For example, when inspecting the size of hole, stop end is made according to the upper limit of hole diameter allowable deviation, and go end is made according to the lower limit of hole diameter allowable deviation. When inspecting, if stop end can pass through, it indicates that hole diameter is too large, which is unqualified, and cannot be reprocessed. If go end cannot pass through, it indicates that hole diameter is too small, which is also unqualified, but can be reprocessed to be qualified.

[0007] The prior art (publication number: CN220625194U) discloses the technical scheme as follows: "The application discloses a measuring jig for a sealing ring and a detection equipment. The measuring jig for the sealing ring comprises a main body. First through grooves, second through grooves and an annular groove are formed in the main body. The two ends of the first through grooves and the two ends of the second through grooves respectively penetrate the side surface of the main body, so that observation openings are formed in the side surface of the main body, and the first through grooves and the second through grooves are vertically arranged. The first through grooves and the second through grooves respectively penetrate the groove wall of the annular groove, and the annular groove is used for placing the sealing ring. The observation openings are used for facilitating the detection mechanism to shoot and detect the sealing ring from top to bottom, and the inner diameter and the outer diameter of the sealing ring are detected. The first through grooves and the second through grooves respectively penetrate the groove wall of the annular groove, and the side surface of the sealing ring can be observed through the observation openings. Therefore, the detection mechanism can shoot and detect the side surface of the sealing ring along the horizontal direction through the observation openings, so as to detect the thickness of the sealing ring".

[0008] The inventor finds that the prior art has the following problems in the process of implementing the application: in the above measurement method, two-dimensional and three-dimensional measurement can only measure the size of a single product one by one, which is time-consuming. Although the go-no-go gauge is less time-consuming, it can only measure a single size, and it needs to use the go gauge and the no-go gauge to measure respectively, which is slightly troublesome.

[0009] Therefore, the utility model provides a detection jig for measuring motor outer cover rubber sealing ring to solve the problems in the above background art. Utility model content

[0010] The utility model discloses a detection jig for measuring motor outer cover rubber sealing ring, which is designed according to the size tolerance requirements of the product and the idea of go-no-go gauge. The test of different states of the same product is completed in one jig, which makes the test more convenient, reduces the risk of misuse and storage cost.

[0011] To achieve the above object, the utility model provides the following technical scheme:

[0012] A detection jig for measuring motor outer cover rubber sealing ring, comprising a jig main body, a first jig groove 2 shaped according to the motor outer cover rubber sealing ring before baking is formed on the upper surface of the jig main body 1, and a second jig groove 3 shaped according to the motor outer cover rubber sealing ring after baking is formed on the bottom surface of the jig main body 1.

[0013] Further, the jig main body comprises a base layer, and a protective layer is fixedly arranged on the outer surface of the base layer.

[0014] Further, the protective layer comprises an adhesive layer, an outer surface of the adhesive layer is fixedly provided with a puncture-proof layer, and an outer surface of the puncture-proof layer is fixedly provided with a wear-resistant layer.

[0015] Further, the adhesive layer is made of an ultrathin protein nanofilm, the puncture-proof layer is made of a PVD coating, and the wear-resistant layer is made of polyurethane.

[0016] Further, the base layer comprises an inner core layer, an outer surface of the inner core layer is fixedly provided with an inner reinforcing layer, and an outer surface of the inner reinforcing layer is fixedly provided with an outer reinforcing layer.

[0017] Further, the outer reinforcing layer is made of stainless steel, the inner reinforcing layer is made of carbon tool steel, and the inner core layer is made of wood-based resin.

[0018] Further, the first jig groove has an inner peripheral length of 113.34 mm, the second jig groove has an inner peripheral length of 121.27 mm, the first jig groove has an inner peripheral width of 43.3 mm, and the second jig groove has an inner peripheral width of 42.2 mm.

[0019] Further, the first jig groove 2 has an outer peripheral length of 116.46 mm, the second jig groove 3 has an outer peripheral length of 124.61 mm, the first jig groove 2 has an outer peripheral width of 46.1 mm, the second jig groove 3 has an outer peripheral width of 45.2 mm, the jig body 1 has a length of 130 mm, the jig body 1 has a width of 60 mm, and the jig body 1 has a thickness of 12 mm.

[0020] Further, the first jig groove and the second jig groove have a size tolerance of 0.02 mm.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1. The utility model discloses a detection jig for measuring motor outer cover rubber sealing ring, which is characterized in that: the detection jig is formed by copying the shape of the product, and a concave groove is formed in the aluminum plate according to the product demand tolerance. The product can be directly placed in the concave groove in a free state. If the product needs to be pulled into the concave groove, it is determined that the size is too small. If the product has a protrusion after being placed and cannot completely fit the detection jig, it is determined that the size is too large. If the product cannot be completely placed in the concave groove in a free state, it means that the product size is unqualified. The detection jig has two surfaces, and the concave grooves suitable for testing the products before and after baking are formed on the two surfaces respectively. The test is completed in one detection jig, the test is more convenient, the risk of misuse is reduced, and the storage cost is reduced. DRAWINGS

[0023] Figure 1 The utility model is a perspective view.

[0024] Figure 2 is a top view schematic diagram of the present application;

[0025] Figure 3 is a bottom view schematic diagram of the present application;

[0026] Figure 4 is a sectional view schematic diagram of the present application;

[0027] Figure 5 is a side view schematic diagram of the present application;

[0028] Figure 6 is a structural schematic diagram of the present application;

[0029] Figure 7 is a structural schematic diagram of the protective layer of the present application;

[0030] Figure 8 is a structural schematic diagram of the base layer of the present application.

[0031] Legend:

[0032] 1, jig main body; 2, first jig groove; 3, second jig groove; 101, protective layer; 102, base layer; 10101, wear-resistant layer; 10102, puncture-resistant layer; 10103, adhesive layer; 10201, outer reinforcing layer; 10202, inner reinforcing layer; 10203, inner core layer. DETAILED DESCRIPTION

[0033] 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, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] EMBODIMENT

[0035] Referring to Figures 1-5 , the present application provides an embodiment:

[0036] A detection jig for measuring a motor outer cover rubber sealing ring, comprising a jig main body 1, a first jig groove 2 is opened on the upper surface of the jig main body 1, and a second jig groove 3 is opened on the bottom surface of the jig main body 1;

[0037] The first jig groove 2 has an outer length of 116.46 mm, the second jig groove 3 has an outer length of 124.61 mm, the first jig groove 2 has an outer width of 46.1 mm, the second jig groove 3 has an outer width of 45.2 mm, the first jig groove 2 is used for pre-baking product detection, the second jig groove 3 is used for post-baking product detection, the jig body 1 has a length of 130 mm, a width of 60 mm and a thickness of 12 mm, the first jig groove 2 has an inner length of 113.34 mm, the second jig groove 3 has an inner length of 121.27 mm, the first jig groove 2 has an inner width of 43.3 mm, the second jig groove 3 has an inner width of 42.2 mm, and the first jig groove 2 and the second jig groove 3 have a size tolerance of 0.02 mm.

[0038] Specifically, when the user uses it, the jig body 1 is used in a double-sided manner, and the user can select a suitable side to measure the rubber ring according to different use requirements, so that the test is completed in one jig, avoiding the placement of multiple tools for cooperation in the traditional measurement mode, making the test more convenient, reducing the risk of misuse, and reducing storage costs.

[0039] Referring to Figures 6-8 , the utility model provides an embodiment:

[0040] The jig body 1 comprises a base layer 102, and the base layer 102 is fixedly provided with a protective layer 101 on an outer surface; the protective layer 101 comprises an adhesive layer 10103, the adhesive layer 10103 is fixedly provided with a puncture-proof layer 10102 on an outer surface, and the puncture-proof layer 10102 is fixedly provided with a wear-resistant layer 10101 on an outer surface; the adhesive layer 10103 is made of an ultrathin protein nanometer film, the puncture-proof layer 10102 is made of a PVD coating, and the wear-resistant layer 10101 is made of polyurethane.

[0041] Specifically, the wear-resistant layer 10101 is arranged, which is helpful to improve the surface strength of the device and ensure that the device can be used for a long time; the puncture-proof layer 10102 is arranged, which is helpful to prevent sharp objects from scratching the surface of the device during use and affecting the precision of the device; and the adhesive layer 10103 is arranged, which is helpful to ensure the adhesion effect of the protective layer 101 of the device.

[0042] The base layer 102 comprises an inner core layer 10203, the inner core layer 10203 is fixedly provided with an inner reinforcing layer 10202 on an outer surface, and the inner reinforcing layer 10202 is fixedly provided with an outer reinforcing layer 10201 on an outer surface; the outer reinforcing layer 10201 is made of stainless steel, the inner reinforcing layer 10202 is made of carbon tool steel, and the inner core layer 10203 is made of a wood-based resin.

[0043] Specifically, by setting the outer reinforcing layer 10201 and the inner reinforcing layer 10202, the strength of the device as a whole can be ensured, so that it can be used repeatedly for a long time, and by setting the inner core layer 10203, the weight of the device as a whole can be reduced, and the portability thereof can be improved.

[0044] Working principle: the size of rubber will change before and after secondary vulcanization, and the vulcanization after the second baking will shrink about 0.7% compared with that before the second baking. When the jig is used, the rubber ring is placed in the first jig groove 2 on the surface of the jig main body 1 in a free state before baking, and the rubber ring can be directly placed in the first jig groove 2 in a free state, which indicates that the size of the rubber ring is correct. If it needs to be pulled to enter the first jig groove 2, it is determined that the size is too small. If the product has a protrusion after being placed and cannot completely fit the first jig groove 2, it is determined that the size is too large. Similarly, after the rubber ring is baked, the jig main body 1 is turned over, and the rubber ring is placed in the second jig groove 3 in a free state. The rubber ring can be directly placed in the second jig groove 3 in a free state, which indicates that the size of the rubber ring is correct. If it needs to be pulled to enter the second jig groove 3, it is determined that the size is too small. If the product has a protrusion after being placed and cannot completely fit the second jig groove 3, it is determined that the size is too large.

[0045] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A testing fixture for measuring the rubber sealing ring of a motor outer cover, comprising a fixture body (1), characterized in that: The upper surface of the fixture body (1) is provided with a first fixture groove (2) that is similar to the rubber sealing ring of the motor outer cover before baking, and the bottom surface of the fixture body (1) is provided with a second fixture groove (3) that is similar to the rubber sealing ring of the motor outer cover after baking.

2. The testing fixture for measuring the rubber sealing ring of a motor outer cover according to claim 1, characterized in that: The fixture body (1) includes a base layer (102), and a protective layer (101) is fixedly provided on the outer surface of the base layer (102).

3. A testing fixture for measuring the rubber sealing ring of a motor outer cover according to claim 2, characterized in that: The protective layer (101) includes an adhesive layer (10103), an anti-puncture layer (10102) is fixedly disposed on the outer surface of the adhesive layer (10103), and an abrasion-resistant layer (10101) is fixedly disposed on the outer surface of the anti-puncture layer (10102).

4. A testing fixture for measuring the rubber sealing ring of a motor outer cover according to claim 3, characterized in that: The adhesive layer (10103) is made of an ultrathin protein nanofilm, the puncture-resistant layer (10102) is made of a PVD coating, and the wear-resistant layer (10101) is made of polyurethane.

5. A testing fixture for measuring the rubber sealing ring of a motor outer cover according to claim 2, characterized in that: The base layer (102) includes an inner core layer (10203), an inner reinforcing layer (10202) is fixedly disposed on the outer surface of the inner core layer (10203), and an outer reinforcing layer (10201) is fixedly disposed on the outer surface of the inner reinforcing layer (10202).

6. A testing fixture for measuring the rubber sealing ring of a motor outer cover according to claim 5, characterized in that: The outer reinforcing layer (10201) is made of stainless steel, the inner reinforcing layer (10202) is made of carbon tool steel, and the inner core layer (10203) is made of wood-substitute resin.

7. A testing fixture for measuring the rubber sealing ring of a motor outer cover according to claim 1, characterized in that: The inner length of the first fixture groove (2) is 113.34 mm, the inner length of the second fixture groove (3) is 121.27 mm, the inner width of the first fixture groove (2) is 43.3 mm, and the inner width of the second fixture groove (3) is 42.2 mm.

8. A testing fixture for measuring the rubber sealing ring of a motor outer cover according to claim 1, characterized in that: The dimensional tolerance of the first fixture groove (2) and the second fixture groove (3) is 0.02 mm.

9. A testing fixture for measuring the rubber sealing ring of a motor outer cover according to claim 1, characterized in that: The first fixture groove (2) has an outer perimeter length of 116.46 mm, the second fixture groove (3) has an outer perimeter length of 124.61 mm, the first fixture groove (2) has an outer perimeter width of 46.1 mm, the second fixture groove (3) has an outer perimeter width of 45.2 mm, the fixture body (1) has a length of 130 mm, the fixture body (1) has a width of 60 mm, and the fixture body (1) has a thickness of 12 mm.

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