Oil seal spring detection mechanism

Abstract

The utility model discloses an oil seal spring detection mechanism which is mainly used for detecting a spring of a bidirectional framework oil seal of a core sealing element of a gear type fuel pump of a diesel engine in the automobile manufacturing industry. The mechanism comprises a base, a first conductive sliding rail, a second conductive sliding rail, a detection table and a limiting plate. The detection table slides along the sliding rail through the first conductive sliding block and the second conductive sliding block, and the top of the detection table is provided with a limiting piece and a hollow area which are used for fixing the oil seal and achieving conductive connection between the bottom spring and the third electric conductor and between the bottom spring and the fourth electric conductor. The limiting plate is provided with a first electric conductor and a second electric conductor, and when the detection table moves to a limiting position, the top spring is conductively connected with the first electric conductor and the second electric conductor to form a complete circuit. The detection indicator sends out a prompt signal when the circuit is closed, indicating that the oil seal spring is detected to be qualified. The oil seal spring detection device is simple in structure, low in cost, convenient to operate, short in detection time, high in stability and suitable for high-efficiency and high-quality oil seal spring detection requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil seal spring detection, more particularly to an oil seal spring detection mechanism. BACKGROUND

[0002] In the automobile manufacturing industry, the sealing performance detection of the bidirectional skeleton oil seal, one of the core components of the gear type fuel pump of the diesel vehicle engine, is crucial in the assembly process. The sealing performance of the oil seal directly affects the efficiency and lifespan of the engine, and the spring on the oil seal is a key component that ensures the sealing effect. The presence and integrity of the spring are directly related to the sealing performance of the oil seal, so the detection of the oil seal spring becomes an important link in the production process.

[0003] Currently, the mainstream oil seal spring detection technology on the market mainly relies on camera recognition or sensor shooting methods. Although these technologies can achieve automatic detection to some extent, they also have many shortcomings. First, these devices have relatively high costs, increasing production costs. Second, the electronic components relied on are prone to damage during long-term operation, leading to increased equipment maintenance costs. In addition, these technologies have high misjudgment rates, which can affect production efficiency and product quality. Finally, the operation and maintenance of these devices require professional personnel, increasing labor costs and technical barriers.

[0004] In summary, the existing oil seal spring detection technology has shortcomings in terms of cost, reliability, accuracy, and operational convenience, and there is an urgent need for a more economical, stable, and easy-to-operate detection technology to detect the presence or absence of oil seal springs and their integrity. SUMMARY

[0005] The utility model discloses a kind of oil seal spring detection mechanisms to overcome at least one technical problem existing in above prior art.

[0006] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0007] An oil seal spring detection mechanism includes a base, the base is spaced and fixedly provided with a first conductive sliding rail and a second conductive sliding rail extending in a first direction;

[0008] A first conductive sliding block is slidably mounted on the first conductive sliding rail, and a second conductive sliding block is slidably mounted on the second conductive sliding rail. The first conductive sliding block and the second conductive sliding block are fixedly connected to the two sides of the bottom of the detection table, respectively. A third conductive body and a fourth conductive body are fixedly installed on the first conductive sliding block and the second conductive sliding block, respectively. The detection table is used to place the oil seal to be detected. The third conductive body is configured to be electrically connected with the fourth conductive body through the bottom spring of the oil seal placed on the detection table.

[0009] The base is fixedly installed with a limiting plate on one side in the first direction, the limiting plate is used to limit the displacement of the detection table in the first direction; the limiting plate is fixedly installed with a first conductor and a second conductor; when the detection table moves to the limiting plate in the first direction, the first conductor on the limiting plate is in conductive connection with the second conductor through the top spring of the oil seal on the detection table;

[0010] The first conductor is in series with the first conductive sliding rail, and the second conductor is in series with a detection indicator, a power supply and the second conductive sliding rail; the detection indicator is configured to send a prompt signal when the third conductor is in conductive connection with the fourth conductor through the bottom spring of the oil seal and the first conductor is in conductive connection with the second conductor through the top spring of the oil seal.

[0011] Further, the limiting plate is provided with a mounting portion extending in the first direction, and the mounting portion is higher than the bearing surface of the detection table;

[0012] The side of the mounting portion away from the limiting plate is provided with a limiting groove adapted to the side edge of the oil seal to be detected;

[0013] First and second installation grooves are respectively formed on both sides of the top of the mounting portion, the first conductor and the second conductor are installed in the first and second installation grooves one by one, and the mounting portion is made of insulating material.

[0014] Further, the detection indicator is a buzzer or a signal lamp.

[0015] Further, the first conductor is fixedly connected with the limiting plate through a first conductive fastener penetrating the limiting plate, and the second conductor is fixedly connected with the limiting plate through a second conductive fastener penetrating the limiting plate;

[0016] The first conductive sliding rail is fixedly connected with the limiting plate through a third conductive fastener penetrating the limiting plate, and the second conductive sliding rail is fixedly connected with the limiting plate through a fourth conductive fastener penetrating the limiting plate;

[0017] The first and third conductive fasteners are connected by a first wire, the second end of the detection indicator is connected to the first end of the power supply through a second wire, the second end of the detection indicator is connected to the first end of the power supply through a third wire, and the second end of the power supply is connected to the fourth conductive fastener through a fourth wire.

[0018] Further, the first and second conductive sliding blocks are fixedly connected with the detection table by at least one second fastener respectively.

[0019] Further, the limiting plate, the detection table and the base are insulating materials.

[0020] Further, the top of the detection table is provided with a limiting piece for radially limiting the oil seal placed on the detection table.

[0021] Further, the detection table is provided with a hollow area on both sides of the limiting piece, and the third and fourth conductive bodies are one-to-one correspondingly connected with the bottom spring of the oil seal placed on the detection table through two hollow areas formed on the detection table.

[0022] Further, the top end of the third and fourth conductive bodies is higher than the bearing surface of the detection table.

[0023] Further, the first, second, third and fourth conductive bodies are L-shaped conductive strips.

[0024] Compared with the prior art, the beneficial effects of the technical scheme of the utility model are:

[0025] The oil seal spring detection mechanism has the advantages of simple structure, easy processing and assembly, low cost of nylon and conductive copper material, greatly reduced manufacturing cost and use cost of the equipment, and significantly improved durability and stability of the equipment. Compared with the mainstream electronic control equipment on the market, the design has higher stability, is not easy to damage, and is easy to maintain, thereby reducing the maintenance cost of the equipment and reducing the operation pressure of the production line. The operation process is simple and intuitive, and the staff can quickly get started, and the detection time is only 3 seconds, which greatly improves the production efficiency, reduces the waiting time of the production line, and optimizes the production rhythm. The design of the detection indicator (such as a buzzer or a signal lamp) makes the detection result more intuitive, which is convenient for the operator to quickly judge, and further improves the detection efficiency. Overall, the technical scheme not only realizes the detection target of low cost, high efficiency and high precision, but also provides an economical, stable and easy-to-operate oil seal spring detection solution for the automobile manufacturing industry, which has significant practical application value and market competitiveness. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0027] Figure 1Figure 7 is a structural schematic diagram of the oil seal spring detection mechanism provided in an embodiment of the present application when the oil seal is placed;

[0028] Figure 2 Figure 8 is a structural schematic diagram of the oil seal spring detection mechanism provided in an embodiment of the present application when the oil seal is not placed;

[0029] Figure 3 Figure 9 is a structural schematic diagram of the detection table hidden in Figure 6; Figure 2

[0030] Figure 4 Figure 10 is a circuit connection schematic diagram of the oil seal spring detection mechanism provided in an embodiment of the present application;

[0031] Marking description in the figure:

[0032] 1, limiting plate; 101, mounting portion;

[0033] 21, first conductive body; 22, second conductive body;

[0034] 31, first conductive fastener; 32, second conductive fastener;

[0035] 4, second fastener;

[0036] 51, third conductive fastener; 52, fourth conductive fastener;

[0037] 61, third conductive body; 62, fourth conductive body;

[0038] 7, detection table; 701, limiting piece; 702, hollowed-out area;

[0039] 81, first conductive sliding block; 82, second conductive sliding block;

[0040] 91, first conductive sliding rail; 92, second conductive sliding rail;

[0041] 10, base;

[0042] 11, detection indicator;

[0043] 12, power supply;

[0044] 100, oil seal. DETAILED DESCRIPTION

[0045] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid obscuring the present application, some technical features known in the art are not described. ​

[0046] It is to be understood that the application can assume various alternative embodiments, and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art. In the drawings, the size and relative sizes of layers and regions can be exaggerated for clarity. Like reference numerals designate like elements throughout.

[0047] In the description of the present application, it should be understood that the terms "left side", "right side", "upper portion", "lower portion" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation. The specific dimensions used in the embodiments are only for the purpose of illustrating the technical solutions, and do not limit the protection scope of the present application. It is understandable that some well-known structures and their descriptions in the drawings can be omitted for those skilled in the art.

[0048] Unless otherwise expressly specified and limited, the terms "mounting", "setting", "connecting", "fixing" and the like should be broadly understood, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between 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.

[0049] In order to thoroughly understand the present application, detailed structures will be proposed in the following description in order to illustrate the technical solutions proposed by the present application. The preferred embodiments of the present application are described in detail as follows, however, in addition to these detailed descriptions, the present application can have other implementation manners.

[0050] Embodiment 1:

[0051] As shown in Figure 1 and Figure 4 The present application provides a technical solution:

[0052] An oil seal spring detection mechanism, comprising a base 10, the base 10 is spaced and fixedly provided with a first conductive sliding rail 91 and a second conductive sliding rail 92 extending in a first direction;

[0053] The first conductive sliding block 81 is slidably installed on the first conductive sliding rail 91, and the second conductive sliding block 82 is slidably installed on the second conductive sliding rail 92; the first conductive sliding block 81 and the second conductive sliding block 82 are fixedly connected to the two sides of the bottom of the detection table 7 respectively, and the third conductive body 61 and the fourth conductive body 62 are fixedly installed on the first conductive sliding block 81 and the second conductive sliding block 82 respectively; the detection table 7 is used for placing the oil seal 100 to be detected, and the third conductive body 61 is configured to be in conductive connection with the fourth conductive body 62 through the bottom spring of the oil seal 100 placed on the detection table 7.

[0054] The base 10 is the basis of the entire detection mechanism, and the first conductive sliding rail 91 and the second conductive sliding rail 92 fixedly arranged thereon extend along the first direction, ensuring the stable sliding of the detection table 7; the first conductive sliding block 81 and the second conductive sliding block 82 are slidably installed on the first conductive sliding rail 91 and the second conductive sliding rail 92 respectively and are fixedly connected to the detection table 7 through the second fastener 4, which not only ensures the smooth movement of the detection table 7 but also facilitates disassembly and maintenance.

[0055] The base 10 is fixedly installed with a limiting plate 1 on one side in the first direction, and the limiting plate 1 is used for limiting the displacement of the detection table 7 in the first direction; the first conductive body 21 and the second conductive body 22 are fixedly installed on the limiting plate 1; when the detection table 7 moves to the limiting plate 1 in the first direction, the first conductive body 21 on the limiting plate 1 is in conductive connection with the second conductive body 22 through the top spring of the oil seal 100 on the detection table 7.

[0056] The first conductive body 21 is in series with the first conductive sliding rail 91, and the second conductive body 22 is in series with the detection indicator 11, the power supply 12 and the second conductive sliding rail 92; after the third conductive body 61 is in conductive connection with the fourth conductive body 62 through the bottom spring of the oil seal 100 and the first conductive body 21 is in conductive connection with the second conductive body 22 through the top spring of the oil seal 100, a complete circuit is formed, and the detection indicator 11 sends a prompt signal, indicating that the oil seal spring detection is OK.

[0057] The detection table 7, the first conductive sliding block 81 and the second conductive sliding block 82 and the third conductive body 61 and the fourth conductive body 62 are fastened together by screws.

[0058] Before measurement, the detection table 7 as a whole moves to the side away from the limiting plate 1 of the first conductive sliding rail 91 and the second conductive sliding rail 92, and at this time, the oil seal 100 to be detected is placed in the detection table 7, and the bottom spring of the oil seal 100 is in contact with the third conductive body 61 and the fourth conductive body 62.

[0059] Then, the hand pushes the detection table 7 as a whole to move along the first conductive sliding rail 91 and the second conductive sliding rail 92 towards the limiting plate 1, and when moving to the limit position, the first conductor 21 and the second conductor 22 will be in contact with the top spring of the oil seal 100. The contact between the top spring of the oil seal 100 and the first conductor 21 and the second conductor 22 forms a passage. If the signal light is on, it means that the top spring and the bottom spring of the oil seal 100 to be detected meet the standards. Compared with the existing mainstream electronic control equipment, the oil seal spring detection mechanism of the present application has high stability, is not easy to damage and is easy to maintain; and the oil seal spring detection mechanism of the present application is simple to operate, the staff can quickly get started and the detection time is short. It can complete one detection action in 3S, which greatly improves the production efficiency.

[0060] Embodiment 2:

[0061] On the basis of Embodiment 1, referring to Figure 1 , the mounting portion 101 extending in the first direction is arranged on the limiting plate 1, and the mounting portion 101 is higher than the bearing surface of the detection table 7;

[0062] The side of the mounting portion 101 away from the limiting plate 1 is provided with a limiting groove adapted to the side edge of the oil seal 100 to be detected;

[0063] The top of the mounting portion 101 is provided with a first mounting groove and a second mounting groove on both sides, respectively, and the first conductor 21 and the second conductor 22 are installed in the first mounting groove and the second mounting groove one by one, and the mounting portion 101 is made of insulating material.

[0064] Further, the materials of the first conductive sliding rail 91, the second conductive sliding rail 92, the first conductive sliding block 81 and the second conductive sliding block 82 are all copper.

[0065] Further, the first conductive sliding block 81 and the second conductive sliding block 82 are fixedly connected with the detection table 7 by at least one second fastener 4, respectively.

[0066] Further, the top of the detection table 7 is provided with a limiting piece 701, and the limiting piece 701 is used for radially limiting the oil seal 100 placed on the detection table 7.

[0067] Further, as shown in Figures 2-3 , the detection table 7 is provided with a hollow area 702 on both sides of the limiting piece 701, and the third conductor 61 and the fourth conductor 62 are in conductive connection with the bottom spring of the oil seal 100 placed on the detection table 7 through the two hollow areas 702 formed on the detection table 7 one by one.

[0068] Further, the top ends of the third and fourth conductive bodies 61 and 62 are higher than the bearing surface of the detection table 7.

[0069] Further, the first, second, third and fourth conductive bodies 21, 22, 61 and 62 are L-shaped conductive strips.

[0070] Embodiment 3:

[0071] On the basis of Embodiment 1, with reference to Figure 1 and Figure 4 The first conductive body 21 is fixedly connected with the limiting plate 1 through the first conductive fastener 31 penetrating the limiting plate 1, and the second conductive body 22 is fixedly connected with the limiting plate 1 through the second conductive fastener 32 penetrating the limiting plate 1.

[0072] The first conductive sliding rail 91 is fixedly connected with the limiting plate 1 through the third conductive fastener 51 penetrating the limiting plate 1, and the second conductive sliding rail 92 is fixedly connected with the limiting plate 1 through the fourth conductive fastener 52 penetrating the limiting plate 1.

[0073] The first conductive fastener 31 and the third conductive fastener 51 are connected through a first wire, the second conductive fastener 32 connects the first end of the detection indicator 11 through a second wire, the second end of the detection indicator 11 connects the first end of the power supply 12 through a third wire, and the second end of the power supply 12 connects the fourth conductive fastener 52 through a fourth wire.

[0074] Further, the first and second conductive fasteners 31 and 32 are M4 bolts and nuts.

[0075] Further, the second fastener 4 is an M4 screw.

[0076] Further, the detection indicator 11 is a buzzer or a signal lamp.

[0077] Further, the limiting plate 1, the detection table 7 and the base 10 are made of insulating materials.

[0078] Further, the detection table 7 and the limiting plate 1 are made of nylon materials, and the first, second, third and fourth conductive bodies 21, 22, 61 and 62 are made of copper metal. The detection mechanism of the present application has a simple structure, is easy to process and assemble, mainly uses low-cost nylon and conductive copper materials, and greatly reduces the equipment cost and use cost.

[0079] Each of the devices (components not specifically described in detail) selected in the present application are general standard components or components known to those skilled in the art, the structure and principle of which can be known to the skilled person through technical manuals or through conventional experimental methods. Moreover, the software programs involved in the present application are prior art, and the present application does not involve any improvement to the software programs.

[0080] Although example embodiments have been described herein with reference to the accompanying drawings, it is to be understood that the example embodiments are only exemplary and are not intended to limit the scope of the present application. Those of ordinary skill in the art can make various changes and modifications without departing from the scope and spirit of the present application. All such changes and modifications are intended to be included within the scope of the present application as claimed in the appended claims.

[0081] Similarly, it is to be understood that, for the sake of brevity, the description of the example embodiments of the present application has sometimes been presented in a simplified fashion and by separately grouping various features in a single embodiment, figure, or description thereof. It is not to be understood that this approach is reflective of an intention that the claimed application requires more features than are explicitly recited in each claim. Rather, it is to be understood that the claims have generic priority in that they can be addressed with fewer than all of the features of a particular disclosed single embodiment. Accordingly, the claims appended to this detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this application.

[0082] Furthermore, those skilled in the art will recognize that, although some embodiments described herein include certain features that are not included in other embodiments, combinations of the features of the different embodiments are to be expected within the scope of the present application and form different embodiments. For example, in the claims, any of the claimed embodiments can be used in any combination.

[0083] It should be noted that the above-mentioned embodiments illustrate rather than limit the application, and that those skilled in the art will be able to design many alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The use of the words "first", "second" and "third", etc. does not imply any order but rather are used for naming.

Claims

1. An oil seal spring detection mechanism characterized by: The base is provided with a first conductive slide rail and a second conductive slide rail extending in a first direction; The first conductive slide rail is provided with a first conductive slider, and the second conductive slide rail is provided with a second conductive slider; The first conductive slider and the second conductive slider are fixedly connected to the two sides of the bottom of the detection table, and the first conductive slider and the second conductive slider are respectively provided with a third conductive body and a fourth conductive body; The detection table is used for placing an oil seal to be detected, and the third conductive body is configured to be electrically connected to the fourth conductive body through the bottom spring of the oil seal placed on the detection table; 2. The oil seal spring detection mechanism of claim 1, wherein, The base is provided with a limiting plate on one side in the first direction, and the limiting plate is used for limiting the displacement of the detection table in the first direction; The first conductive body and the second conductive body are fixedly installed on the limiting plate, and when the detection table moves to the limiting plate in the first direction, the first conductive body on the limiting plate is electrically connected to the second conductive body through the top spring of the oil seal on the detection table; The first conductive body is connected in series with the first conductive slide rail, the second conductive body is connected in series with a detection indicator, a power supply and the second conductive slide rail, and the detection indicator is configured to send a prompt signal when the third conductive body is electrically connected to the fourth conductive body through the bottom spring of the oil seal and the first conductive body is electrically connected to the second conductive body through the top spring of the oil seal.

3. The oil seal spring detection mechanism of claim 1, wherein The limiting plate is provided with a mounting portion extending in the first direction, and the mounting portion is higher than the bearing surface of the detection table; 4. The oil seal spring detection mechanism of claim 1, wherein The side of the mounting portion away from the limiting plate is provided with a limiting groove adapted to the side edge of the oil seal to be detected; The top of the mounting portion is provided with a first mounting groove and a second mounting groove on the two sides, respectively, and the first conductive body and the second conductive body are installed in the first mounting groove and the second mounting groove one by one, and the mounting portion is made of insulating material. The detection indicator is a buzzer or a signal lamp.

5. The oil seal spring detection mechanism of claim 1, wherein The first conductive body is fixedly connected to the limiting plate through a first conductive fastener penetrating the limiting plate, and the second conductive body is fixedly connected to the limiting plate through a second conductive fastener penetrating the limiting plate; 6. The oil seal spring detection mechanism of claim 1, wherein The first conductive slide rail is fixedly connected to the limiting plate through a third conductive fastener penetrating the limiting plate, and the second conductive slide rail is fixedly connected to the limiting plate through a fourth conductive fastener penetrating the limiting plate; 7. The oil seal spring detection mechanism of claim 1, wherein The first conductive fastener and the third conductive fastener are connected by a first wire, the second conductive fastener connects a first end of the detection indicator through a second wire, a second end of the detection indicator connects a first end of the power supply through a third wire, and a second end of the power supply connects the fourth conductive fastener through a fourth wire. The first conductive slider and the second conductive slider are fixedly connected to the detection table through at least one second fastener. The limiting plate, the detection table and the base are made of insulating material. The top of the detection table is provided with a limiting piece for radially limiting the oil seal placed on the detection table.

8. The oil seal spring detection mechanism of claim 7, wherein, The detection table is provided with hollow areas on both sides of the limiting piece, and the third and fourth conductive bodies are in one-to-one correspondence with the two hollow areas on the detection table and are in conductive connection with the bottom spring of the oil seal placed on the detection table.

9. The oil seal spring detection mechanism of claim 8, wherein, The top ends of the third and fourth conductive bodies are higher than the bearing surface of the detection table.

10. The oil seal spring detection mechanism of claim 1, wherein, The first, second, third and fourth conductive bodies are L-shaped conductive strips.

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