Mounting structure of oil filter

Abstract

The application provides an installation structure of an oil filter, and relates to the technical field of the oil filter.The installation structure comprises a mounting support, a sealing element and an adjusting assembly, the mounting support is used for mounting the oil filter to an engine, and the adjusting assembly is connected to the mounting support and the oil filter.In the state that the mounting support is assembled to the oil filter, the sealing element abuts between the mounting support and the oil filter in the axial direction.In the case that the elasticity of the sealing element is reduced, the adjusting assembly drives the oil filter to move in the axial direction towards the mounting support, so that the oil filter abuts against the sealing element, the elastic force of the sealing element in the axial direction is increased, and the sealing element is tightly attached to the oil filter and the mounting support.The installation structure in the application can realize the installation limiting of the oil filter, automatically adjust the elastic force of the sealing element, improve the sealing performance of the oil filter, and reduce the risk of oil leakage in the cold start state.

Description

Technical Field

[0001] This invention belongs to the technical field of oil filters, and more specifically, relates to an installation structure for an oil filter. Background Technology

[0002] An oil filter is a device used to filter impurities in engine oil to protect the engine. It has filter channels. In related technologies, a common method is to seal these channels by compressing an elastic seal. Within the fatigue limit of the elastic seal, the tighter it is compressed, the greater the compression and the larger the contact area between the seal and the mounting surface of the oil filter. This allows the seal to adhere tightly to the mounting surface, filling any gaps and sealing the filter channels. However, at low temperatures or when the elasticity ages, the elasticity of the seal decreases, reducing its resilience. This can lead to a risk that the seal may not adhere properly to the mounting surface, resulting in oil leakage. Summary of the Invention

[0003] In view of this, the present invention provides an installation structure for an oil filter to solve the technical problem of how to improve the sealing performance of an oil filter under different operating conditions.

[0004] The technical solution provided by the embodiments of the present invention is implemented as follows:

[0005] This invention provides an oil filter mounting structure, comprising:

[0006] Mounting bracket for connecting the oil filter;

[0007] A seal is axially abutted between the mounting bracket and the oil filter;

[0008] An adjustment assembly connects the mounting bracket and the oil filter. The adjustment assembly can drive the oil filter to move axially relative to the mounting bracket to press the seal.

[0009] In some embodiments, the adjusting component is configured as an elastic structure, and the elastic force of the adjusting component can drive the oil filter to move toward the mounting bracket to press against the seal.

[0010] In some embodiments, the adjustment component includes:

[0011] Connector for connecting the oil filter;

[0012] A sleeve is fitted onto the outside of the connector, the sleeve is connected to the mounting bracket, and the connector can slide axially relative to the sleeve;

[0013] An elastic element is disposed between the connector and the sleeve. In the initial state, the elastic element is in a deformed state.

[0014] In some embodiments, the connector has a first end face at one end in the axial direction, and the sleeve has a second end face at one end in the axial direction close to the first end face. In the initial state and when the elasticity of the seal is reduced, the elastic element abuts between the first end face and the second end face.

[0015] In some embodiments, when the adjustment assembly is not assembled to the mounting bracket and the oil filter, the elastic element abuts between the first end face and the second end face.

[0016] In some embodiments, the connector includes a first connecting section and a second connecting section, the sleeve is sleeved on the outside of the first connecting section, the second connecting section is provided with external threads, and the second connecting section is threadedly connected to the oil filter.

[0017] In some embodiments, the outer peripheral wall of the sleeve is threaded, and the sleeve is threadedly connected to the mounting support; the mounting support is provided with a third end face in the axial direction, and in the initial state, the third end face abuts against the second end face.

[0018] In some embodiments, the connector has a first limiting part on its outer side and the sleeve has a second limiting part. The first limiting part and the second limiting part are limited in the circumferential direction, and the connector can drive the first limiting part to move axially relative to the second limiting part.

[0019] In some embodiments, the first limiting part is provided in multiple ways, and each first limiting part is provided with a corresponding second limiting part.

[0020] In some embodiments, the first limiting portion is configured as a structure that protrudes outward relative to the outside of the connector, and the second limiting portion is configured as a limiting groove that extends axially.

[0021] This invention provides an oil filter mounting structure, which includes a mounting bracket, a seal, and an adjusting assembly. The mounting bracket is used to install the oil filter to the engine; the seal is an elastic structure used to seal the oil filter; and the adjusting assembly connects the mounting bracket and the oil filter. With the mounting bracket assembled with the oil filter, the seal abuts axially between the mounting bracket and the oil filter. The mounting bracket remains stationary, and the adjusting assembly can drive the oil filter to slide back and forth axially. At low temperatures or when the seal material ages, the elasticity of the seal decreases, resulting in poorer axial rebound. This reduces the surface pressure between the seal and the oil filter and mounting bracket, thus decreasing the contact area between the seal and the oil filter and mounting bracket. In this embodiment, the adjusting component moves the oil filter axially towards the mounting bracket, causing the oil filter to press against the seal, thereby increasing the clamping force on both ends of the seal in the axial direction. This increases the axial rebound force of the seal, ensuring the seal adheres tightly to both the oil filter and the mounting bracket. The mounting structure in this application combines the functions of limiting and sealing the oil filter. While limiting the installation of the oil filter, it automatically adjusts the rebound force of the seal. The adjusting component drives the oil filter to slide axially, automatically compensating for the rebound force of the seal, improving the oil filter's sealing performance and reducing the risk of oil leakage during cold starts. Attached Figure Description

[0022] Figure 1 This is an exploded view of the installation structure and oil filter in the embodiments of this application;

[0023] Figure 2 The mounting structure in the embodiments of this application is in an assembled state. Figure 1 A cross-sectional view along the AA direction;

[0024] Figure 3 for Figure 2 Enlarged view of part B;

[0025] Figure 4 This is a structural diagram of the adjustment component in the embodiments of this application;

[0026] Figure 5 This is an exploded view of the adjustment component in the embodiments of this application.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Mounting support; 11. Second oil inlet chamber; 12. Second oil outlet chamber; 13. Third end face; 2. Sealing element; 3. Adjusting assembly; 31. Connecting element; 311. First end face; 312. First connecting section; 313. Second connecting section; 314. First limiting part; 32. Sleeve; 321. Second end face; 322. Second limiting part; 33. Elastic element; 4. Oil filter; 41. Filter paper; 42. First oil inlet chamber; 43. First oil outlet chamber; 44. Check valve. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0030] The specific technical features described in the specific embodiments can be combined in any suitable manner without contradiction. For example, different combinations of specific technical features can form different embodiments and technical solutions. To avoid unnecessary repetition, the various possible combinations of the specific technical features in this invention will not be described separately.

[0031] In the following description, the terms "first," "second," "etc." are used merely to distinguish different objects and do not indicate that the objects have the sameness or relationship. It should be understood that the directional descriptions "above," "below," "outside," and "inside" refer to the directions under normal use, while "left" and "right" refer to the left and right directions shown in the corresponding diagrams, which may or may not be the left and right directions under normal use.

[0032] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. "A plurality of" means two or more.

[0033] This invention provides an installation structure for an oil filter 4. This installation structure can be used to achieve a sealed oil filtration environment in automotive scenarios, and can also be applied to other structures requiring a sealed environment, such as negative pressure dust extraction environments, waterproof and dustproof environments, etc. It should be noted that the application scenario type of this invention does not limit the structure of this invention.

[0034] This application uses the installation structure of oil filter 4 as an example of a vehicle-mounted oil filter scenario for illustration. It should be noted that the oil filter 4 can be of various types. The filtration principles of commonly available oil filters are mainly divided into three categories: mechanical separation, centrifugal separation, and magnetic adsorption. The specific selection of oil filter 4 does not limit the installation structure in this application.

[0035] like Figure 1 As shown, this application provides an installation structure for an oil filter 4. The installation structure includes a mounting bracket 1, a seal 2, and an adjusting component 3. The mounting bracket 1 is used to install the oil filter 4 to the engine. The seal 2 is configured as an elastic structure. The adjusting component 3 connects the mounting bracket 1 and the oil filter 4. Figure 2 The mounting structure is in an assembled state. Figure 1 Cross-sectional view along the AA direction, refer to Figure 2 With the mounting bracket 1 assembled on the oil filter 4, the seal 2 abuts against the mounting bracket 1 and the oil filter 4 in the axial direction to fill the connection gap between the mounting bracket 1 and the oil filter 4, thereby sealing the oil filter channel of the oil filter 4. "Axial" refers to the direction of the central axis of the oil filter 4.

[0036] This application uses an oil filter 4 configured as a mechanically separated type as an example for illustration. Figure 2 As shown, the oil filter 4 includes filter paper 41, a first oil inlet chamber 42, a first oil outlet chamber 43, and a check valve 44. The first oil inlet chamber 42 is used to introduce engine oil, and the first oil outlet chamber 43 is used to discharge filtered oil from the oil filter 4. Oil forces its way through the check valve 44 and enters the first oil inlet chamber 42. The oil in the first oil inlet chamber 42 passes through the micropores of the filter paper 41 and flows into the first oil outlet chamber 43. The micropore diameter of the filter paper 41 is set to a predetermined value to block impurities with a diameter larger than the predetermined value, thereby removing impurities such as dust, metal particles, carbon deposits, and soot particles from the engine oil and reducing the risk of engine wear. Figure 2 The direction indicated by the dashed arrow is the direction of oil flow.

[0037] Reference Figure 1 The mounting bracket 1 has a coaxial oil outlet for connecting to the first oil outlet chamber 43 of the oil filter 4; the mounting bracket 1 also has a circumferential oil inlet on its top wall for connecting to the oil outlet of the first oil outlet chamber 43. (Refer to...) Figure 2 As shown in the oil flow direction, the oil introduced from the oil inlet of the mounting support 1 surrounds the second oil inlet chamber 11. The oil drives the outer edge of the check valve 44 to move downward, forming an opening, so that the oil in the second oil inlet chamber 11 enters the first oil inlet chamber 42, and the filtered oil in the first oil outlet chamber 43 flows coaxially to the second oil outlet chamber 12.

[0038] The sealing principle of seal 2 is explained below:

[0039] The seal 2 is annular, and its inner circumferential wall forms part of the wall of the second oil inlet chamber 11. The oil filter 4 and the mounting bracket 1 press the seal 2 together, causing it to compress and deform. The seal 2 then rebounds and axially presses against the oil filter 4 and the mounting bracket 1, thus sealing the oil filter 4. However, the elasticity of the seal 2 is temperature-dependent. During a cold start, the oil temperature is low, increasing the hardness and reducing the elasticity of the seal 2. This makes it difficult for the seal 2 to rebound and deform tightly against the oil filter 4 and the mounting bracket 1, posing a risk of oil leakage. It should be noted that a low-temperature environment is not limited to a cold start; it can also refer to a low ambient temperature. Similarly, if the material of the seal 2 ages, its hardness increases, hindering its rebound.

[0040] Adjustment component 3 can drive oil filter 4 to slide back and forth axially relative to mounting bracket 1. Figure 2 In the assembled state shown, the mounting bracket 1 remains stationary while being connected to the engine. When the temperature is low or the seal 2 ages, the resilience of the seal 2 decreases, causing a drop in surface pressure between the oil filter 4 and the mounting bracket 1. The adjusting component 3 moves the oil filter 4 axially towards the mounting bracket 1, causing the oil filter 4 to press against the seal 2. According to Newton's third law, the force (pressing force) on both ends of the seal 2 in the axial direction increases, increasing the reaction force (rebound force) of the seal 2 in the axial direction. This causes the seal 2 to press tightly against the oil filter 4 and the mounting bracket 1, re-filling the connection gap and achieving a seal for the oil filter 4. The mounting structure in this application, while achieving the installation limit of the oil filter 4, improves the sealing performance of the oil filter 4, reduces the risk of oil leakage at low temperatures or when the material is aged, and improves the sealing performance of the oil filter 4 under different operating conditions.

[0041] This application provides an installation structure for an oil filter 4, which includes a mounting bracket 1, a seal 2, and an adjusting assembly 3. The mounting bracket 1 is used to install the oil filter 4 to the engine. The seal 2 is an elastic structure. The adjusting assembly 3 connects the mounting bracket 1 and the oil filter 4. When the mounting bracket 1 is assembled with the oil filter 4, the mounting bracket 1 is connected to the engine and remains stationary. The seal 2 abuts axially between the mounting bracket 1 and the oil filter 4. The adjusting assembly 3 can drive the oil filter 4 to slide back and forth axially. The elasticity of the seal 2 is related to its hardness. At low temperatures or when the seal 2 is aged, the hardness of the seal 2 increases, and its elasticity decreases, resulting in poorer rebound. The seal 2 is less likely to adhere tightly to the oil filter 4 and the mounting bracket 1, causing a decrease in the surface pressure between the seal 2, the oil filter 4, and the mounting bracket 1. In this embodiment, the adjusting component 3 drives the oil filter 4 to move upward along the axial direction (Z-axis), causing the oil filter 4 to press against the seal 2, thereby increasing the clamping force on both ends of the seal 2 in the axial direction and increasing the rebound force of the seal 2 in the axial direction. The seal 2 adheres tightly to the oil filter 4 and the mounting bracket 1, reducing the risk of oil leakage under low temperature and material aging conditions. The mounting structure in this application combines the functions of limiting and sealing the oil filter 4. While achieving the installation limitation of the oil filter 4, it can automatically adjust the rebound force of the seal 2. The adjusting component 3 drives the oil filter 4 to slide axially, realizing automatic compensation of the rebound force of the seal 2, and improving the sealing performance of the oil filter 4 under different operating conditions.

[0042] In some embodiments, refer to Figure 2 The adjusting component 3 is configured as an elastic structure. It should be noted that "elastic structure" means that after the adjusting component 3 is deformed under force, the restoring force of the elastic structure can restore the deformation. In this embodiment of the invention, when the seal 2 is in a cold start state or under material aging, the increased hardness leads to a decrease in the elasticity of the seal 2, and the connection gap between the oil filter 4 and the mounting bracket 1 tends to increase. This causes the elastic force of the adjusting component 3 to move the oil filter 4 closer to the mounting bracket 1, mechanically adjusting the rebound force of the seal 2, so that the seal 2 automatically presses against the oil filter 4 and the mounting bracket 1. It should be noted that the adjusting component 3 can also be an electrically controlled adjusting structure, but the adjusting component 3 shown in the schematic diagram of this application is configured as a mechanical adjusting structure. Compared with an electrically controlled adjusting structure, its advantage lies in automatic adjustment, eliminating the need for electrical control and reducing the control difficulty.

[0043] The two implementation methods are explained below:

[0044] The pressure on the end of the seal 2 that abuts against the oil filter 4 and the mounting bracket 1 is defined as the surface pressure. When the elasticity of the seal 2 decreases, it becomes more difficult for the seal 2 to adhere tightly to the oil filter 4 and the mounting bracket 1, resulting in a reduction in the surface pressure at both ends of the seal 2 in the axial direction. In an embodiment where the adjustment component 3 is an electrically controlled adjustment structure, a temperature sensor can be used to sense the temperature. When the temperature is lower than a set value, the oil filter 4 is driven closer to the mounting bracket 1 to increase the surface pressure of the seal 2 in the axial direction. However, this embodiment is not compatible with the aging condition of the seal 2. Alternatively, a pressure sensor can be used to test the surface pressure of the end face of the seal 2 in the axial direction. When the surface pressure is less than a set value, the oil filter 4 is driven to press against the seal 2. However, the abutting portion of the seal 2 is too tight to install a pressure sensor. If a pressure sensor is installed in another location, the surface pressure of the abutting portion of the seal 2 cannot be directly fed back.

[0045] Continue to refer to Figure 2 In the embodiment shown, the adjustment component 3 is set as an elastic structure, which can realize the mechanical automatic adjustment of the rebound force of the seal 2 without electric control, reducing the control difficulty. When the temperature is low or the seal 2 is aging, the oil filter 4 is directly and in real time adjusted to press against the seal 2, compensating for the surface pressure of the contact part of the seal 2, increasing the rebound force of the seal 2, and making the seal 2 stick tightly to the oil filter 4 and the mounting bracket 1, which has high response efficiency and adjustment accuracy.

[0046] In some embodiments, Figure 3 for Figure 2 Enlarged view of section B, see reference. Figure 3 The adjusting assembly 3 includes a connector 31, a sleeve 32, and an elastic element 33. The connector 31 connects to the oil filter 4. The sleeve 32 is coaxially sleeved on the outside of the connector 31 and connected to the mounting bracket 1. The connector 31 and the sleeve 32 work together to connect the mounting bracket 1 and the oil filter 4. (Refer to...) Figure 3 and Figure 4With the mounting bracket 1 stationary, the sleeve 32 remains stationary, allowing the connecting piece 31 to slide axially relative to the sleeve 32, thereby driving the oil filter 4 to slide axially. An elastic element 33 is axially positioned between the connecting piece 31 and the sleeve 32. The rebound force of the seal 2 is defined as F1, and the rebound force of the elastic element 33 as F2. The connecting piece 31 is connected to the oil filter 4 and moves synchronously. F1 drives the connecting piece 31 to slide downwards, and F2 drives it to slide upwards. Therefore, F1 and F2 are action and reaction forces, allowing the elastic element 33 to respond in real-time to the elastic changes of the seal 2, thus automatically compensating for the surface pressure of the seal 2. It should be noted that multiple sets of adjusting components 3 can be arranged circumferentially around the oil filter, or one can be arranged coaxially with the oil filter. The specific location of the adjusting components 3 is not limited here; "circumferential" refers to the direction of rotation around the central axis of the oil filter 4.

[0047] Reference Figure 2 and Figure 3 In the initial state, the elastic element 33 is in a deformed state. On the one hand, the elastic element 33 will not detach axially; on the other hand, the elastic element 33 has an initial rebound force in the initial state, so that the seal 2 can be adjusted in the initial state to ensure that the seal 2 always adheres tightly to the mounting bracket 1 and the oil filter 4. At this time, the rebound force F1 of the seal 2 is equal to the rebound force F2 of the elastic element 33. It is worth noting that the "initial state" means that the adjusting component 3 is installed on the mounting bracket 1 and the oil filter 4, and the elasticity of the seal 2 has not decreased. It should be noted that the deformation of the elastic element 33 can be compression deformation (such as the elastic element 33 being a compression spring) or tension deformation (such as the elastic element 33 being a tension spring); the elastic element 33 can be set in the mounting bracket 1 or in the oil filter 4. This application does not limit the specific deformation type and setting position of the elastic element 33.

[0048] In this application Figure 2 In the embodiment shown, the elastic element 33 is compressed and deformed in the initial state, and the elastic element 33 is installed in the mounting support 1. The connecting element 31 coaxially passes through the mounting support 1 and the oil filter 4, and the connecting element 31 is hollow. The oil in the first oil outlet chamber 43 passes through the inner peripheral wall of the connecting element 31. The connecting element 31 is used to directly separate the oil inlet channel and the oil outlet channel in the mounting support 1. The structure is simple and easy to install the adjustment component 3.

[0049] In some embodiments, refer to Figure 3The connector 31 has a first end face 311 at one end in the axial direction, and the sleeve 32 has a second end face 321 at one end in the axial direction near the first end face 311. The upper end face of the sleeve 32 in the axial direction is the second end face 321. In the initial state, the elastic member 33 abuts between the first end face 311 and the second end face 321, so that the seal 2 is tightly attached to the mounting bracket 1 and the oil filter 4 in the initial state. In the embodiment of this application, when the seal 2 is in a cold start state or when the seal 2 is aged, the elasticity of the seal 2 decreases, the rebound force F1 decreases, the hardness of the seal 2 increases, which makes the rebound of the seal 2 worse, and the surface pressure at both ends of the seal 2 in the axial direction decreases. The second end face 321 still abuts against the elastic element 33. As the rebound force of the seal 2 decreases while the rebound force of the elastic element 33 remains unchanged, F2 > F1. The elastic element 33 generates an upward pulling force on the connecting member 31, thereby causing the connecting member 31 to tend to move upward. This causes the oil filter 4 to press against the seal 2, achieving compensation of the surface pressure of the seal 2, until F2 equals F1 again, and the connecting member 31 comes to rest. It should be noted that the elastic element 33 can be selected from various structures, including but not limited to a spiral spring, sealing ring, snap ring, gas sleeve, etc. In this embodiment, the elastic element 33 is set as a snap ring, which has a simple structure and is easy to procure.

[0050] In some embodiments, Figure 4 To adjust the structural diagram of component 3, Figure 5 To adjust the exploded view of component 3, refer to Figure 4 and Figure 5 Even when the adjusting component 3 is not assembled to the mounting bracket 1 and the oil filter 4, the elastic element 33 still abuts between the first end face 311 and the second end face 321, so that the elastic element 33 will not detach axially even when the adjusting component 3 is not assembled to the mounting bracket 1 and the oil filter 4. The operator does not need to hold the elastic element 33 before assembling the mounting bracket 1 and the oil filter 4, which facilitates the mutual assembly between the mounting bracket 1, the adjusting component 3 and the oil filter 4.

[0051] In some embodiments, refer to Figure 2 and Figure 5 , Figure 5 To adjust the exploded view of component 3, refer to Figure 2 and Figure 5The connector 31 includes a first connecting section 312 and a second connecting section 313. A sleeve 32 is fitted over the outside of the first connecting section 312, meaning the first connecting section 312 is located on the upper part of the connector 31. Both the first end face 311 and the second end face 321 are located on the first connecting section 312. The second connecting section 313 has external threads and is threadedly connected to the oil filter 4. During the installation of the oil filter 4, tightening the oil filter 4 compresses the seal 2, giving the seal 2 initial pressure. This initial pressure then allows the seal 2 to have initial rebound force, pressing against the mounting bracket 1 and the oil filter 4. The initial pre-pressure of the seal 2 can be controlled by controlling the number of turns the oil filter 4 is turned, achieving a seal in the initial state of the oil filter 4. The structure is simple and easy to implement.

[0052] In some embodiments, the outer peripheral wall of the sleeve 32 is threaded, and the sleeve 32 is threadedly connected to the mounting support 1. The threaded connection structure has self-locking properties, thus limiting the sleeve 32 within the mounting support 1. Furthermore, the threaded connection structure is adjustable; by controlling the number of turns of the thread, the installation position between the sleeve 32 and the mounting support 1 can be controlled. The mounting support 1 has a third end face 13 in the axial direction, as shown in the figure. Figure 3 Within the second oil outlet chamber 12 of the mounting bracket 1, a step is provided axially, extending radially; this step surface is the third end face 13. In the initial state, the second end face 321 abuts against the third end face 13, which provides a limiting position for the sleeve 32, facilitating the installation of the adjusting component 3 onto the mounting bracket 1. With the third end face 13 as the insertion position for the adjusting component 3, the mounting bracket 1 and the adjusting component 3 are then screwed together to assemble them.

[0053] In some embodiments, refer to Figure 4 and Figure 5 The connector 31 has a first limiting part 314 on its outer side, and the sleeve 32 has a second limiting part 322. The first limiting part 314 and the second limiting part 322 are connected in the circumferential direction, so that the sleeve 32 and the connector 31 are connected in the circumferential direction, thereby improving the stability of the sleeve 32 and the mounting support 1 during installation and reducing the risk of circumferential wobbling of the sleeve 32 and the connector 31, which is detrimental to assembly. Figure 2There is no relative rotation between the sleeve 32 and the connecting piece 31. First, the mounting bracket 1 is fixed, and then the connecting piece 31 is screwed on to assemble the mounting bracket 1 and the sleeve 32. It should be noted that the first limiting part 314 can be a protruding structure, and the second limiting part 322 a grooved structure; alternatively, the first limiting part 314 can be a grooved structure, and the second limiting part 322 a protruding structure. The specific structures of the first limiting part 314 and the second limiting part 322 are not limited here. The connecting piece 31 can drive the first limiting part 314 to move axially relative to the second limiting part 322. That is, the two ends of the first limiting part 314 in the axial direction are positioned between the two ends of the second limiting part 322, leaving a gap to allow the connecting piece 31 to slide axially, thereby causing the connecting piece 31 to drive the oil filter 4 to move axially.

[0054] In some embodiments, refer to Figure 5 Multiple first limiting parts 314 are provided. It should be noted that only one first limiting part 314 may also be provided. The following describes the cases where one or more first limiting parts 314 are provided respectively. When there is only one first limiting part 314, there is a corresponding second limiting part 322. There is only one limiting point restricting the circumferential rotation of the sleeve 32, which facilitates the processing and forming of the sleeve 32 and the connecting member 31. When there are multiple first limiting parts 314, each first limiting part 314 is correspondingly provided with one second limiting part 322. The first limiting parts 314 and the second limiting parts 322 cooperate to limit the sleeve 32 at multiple points in the circumferential direction. The turning torque must resist the blocking force of all limiting points for the sleeve 32 to rotate relative to the connecting member 31. The implementation with multiple first limiting parts 314 improves the circumferential connection stability between the connecting member 31 and the sleeve 32 compared to the implementation with only one first limiting part 314.

[0055] In some embodiments, refer to Figure 5 The first limiting part 314 is configured as a protrusion on the outer side of the connecting member 31. Correspondingly, the second limiting part 322 is configured as a limiting groove structure, and the limiting groove extends axially so that the protrusion of the first limiting part 314 can slide axially within the groove of the second limiting part 322. In another embodiment, the first limiting part 314 is configured as a groove structure, and the second limiting part 322 is configured as a protrusion structure. However, in this embodiment, it is not conducive to the sleeve 32 being fitted onto the outer side of the connecting member 31, and it is not convenient to assemble the sleeve 32 and the connecting member 31. In the embodiment of this application, the second limiting part 322 is configured as a groove to avoid the protrusion of the first limiting part 314, and the sleeve 32 can be directly fitted onto the connecting member 31 axially, which facilitates the axial assembly of the sleeve 32 and the connecting member 31.

[0056] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention.

Claims

1. An installation structure for an oil filter, characterized in that, include: Mounting bracket for connecting the oil filter; A seal is axially abutted between the mounting bracket and the oil filter; An adjusting assembly connects the mounting bracket and the oil filter. The adjusting assembly can drive the oil filter to move axially relative to the mounting bracket to press the seal. The adjusting assembly is configured as an elastic structure, and the elastic force of the adjusting assembly can drive the oil filter to move closer to the mounting bracket to press against the seal. The adjustment assembly includes a connector, a sleeve, and an elastic element; The connector connects to the oil filter; The sleeve is fitted onto the outside of the connector, the sleeve is connected to the mounting bracket, and the connector can slide axially relative to the sleeve. The elastic element is disposed between the connector and the sleeve, and in the initial state, the elastic element is in a deformed state.

2. The installation structure of the oil filter according to claim 1, characterized in that, The connector has a first end face at one end in the axial direction, and the sleeve has a second end face at the end in the axial direction close to the first end face. In the initial state and when the elasticity of the seal is reduced, the elastic element abuts between the first end face and the second end face.

3. The installation structure of the oil filter according to claim 2, characterized in that, When the adjusting component is not assembled to the mounting bracket and the oil filter, the elastic element abuts between the first end face and the second end face.

4. The installation structure of the oil filter according to claim 2, characterized in that, The connector includes a first connecting section and a second connecting section. The sleeve is fitted on the outside of the first connecting section. The second connecting section is provided with external threads and is threadedly connected to the oil filter.

5. The installation structure of the oil filter according to claim 4, characterized in that, The outer peripheral wall of the sleeve is threaded, and the sleeve is threadedly connected to the mounting support; the mounting support is provided with a third end face in the axial direction, and in the initial state, the third end face abuts against the second end face.

6. The installation structure of the oil filter according to claim 2, characterized in that, The connector has a first limiting part on its outer side and the sleeve has a second limiting part. The first limiting part and the second limiting part are limited in the circumferential direction, and the connector can drive the first limiting part to move axially relative to the second limiting part.

7. The installation structure of the oil filter according to claim 6, characterized in that, The first limiting part is configured as a plurality of parts, and each first limiting part is configured with a corresponding second limiting part.

8. The installation structure of the oil filter according to claim 6, characterized in that, The first limiting part is configured as a structure that protrudes from the outside of the connector, and the second limiting part is configured as a limiting groove that extends axially.

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