A magnetic oil plug for oil purification

Abstract

The utility model belongs to the technical field of oil plugs, and in particular relates to a magnetic oil plug for oil purification, comprising: an oil plug body, one side of the oil plug body being formed with a groove inwardly; an oil plug plug, the oil plug plug being arranged on the side of the oil plug body with the groove, and the oil plug plug being elastically connected to the oil plug body; a magnet block, the magnet block being arranged on the oil plug plug; and a middle seal, the middle seal being arranged between the oil plug plug and the oil plug body.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil plugs, and in particular relates to a magnetic oil plug for oil purification. Background Art

[0002] Whether it is a traditional fuel vehicle rear axle or an electric drive axle, an oil plug will be installed at the bottom of the axle housing. During the operation of the rear axle, the oil plug equipped with a magnet can effectively absorb the iron filings mixed in the gear oil so that they will not be involved in the subsequent operation with the stirring and splashing of the gear oil; it can reduce the wear of the iron filings on the gears and bearings. With the improvement of the cleanliness requirements of electric drive axles or those equipped with maintenance-free gear oil, the demand for oil plugs with stronger magnetism and more durability is also increasing, but the current oil plugs have poor sealing effect, which affects the overall sealing effect of the oil plugs. Utility Model Content

[0003] The purpose of the utility model is to provide an oil plug for oil purification with a simple structure, an ideal sealing effect and a magnetic attraction type in order to solve the above-mentioned technical problems.

[0004] In view of this, the utility model provides a magnetic oil plug for oil purification, comprising:

[0005] An oil plug body, wherein a groove is formed inwardly on one side of the oil plug body;

[0006] An oil plug plug, which is arranged on one side of the grooved portion of the oil plug body and is elastically connected to the oil plug body;

[0007] A magnet block, wherein the magnet block is arranged on the oil plug;

[0008] A middle seal is arranged between the oil plug and the oil plug body.

[0009] In the above technical solution, further, the oil plug body includes:

[0010] A force-bearing portion, the cross section of which is a regular hexagon;

[0011] A limiting portion, which is circular and formed on one side of the force-bearing portion, and has a cross-sectional diameter greater than a diameter of a circumscribed circle of the force-bearing portion;

[0012] A connecting portion, the connecting portion is arranged on a side of the limiting portion away from the force-bearing portion;

[0013] An external thread is formed outside the connecting portion, and a groove is formed on an end surface of the connecting portion.

[0014] In the above technical solution, further, it also includes:

[0015] A connecting bolt is inserted from one end of the oil plug and connects the oil plug with the bottom of the groove;

[0016] An elastic member, the elastic member is arranged in the groove portion and two ends of the elastic member are respectively against the bottom of the groove portion and the oil plug;

[0017] The oil plug can slide axially relative to the connecting bolt.

[0018] In the above technical solution, further, the oil plug includes:

[0019] The supporting part is circular and has a cross-sectional diameter equal to the diameter of the connecting part, and is located on a side close to the connecting part;

[0020] A blocking portion, which is formed on a side of the supporting portion away from the connecting portion, and is in a tapered shape with a decreasing diameter from the supporting portion toward the outside;

[0021] An accommodating groove extending inwardly from an end surface of the blocking portion;

[0022] The connecting groove is arranged at the bottom of the placement groove and penetrates the blocking part and the supporting part, and the end of the connecting bolt is slidably matched with the connecting groove.

[0023] In the above technical solution, further, it also includes:

[0024] The end seal is arranged at the connection between the supporting part and the blocking part of the oil plug.

[0025] In the above technical solution, further, the middle seal comprises:

[0026] An upper receiving portion, which is in the shape of an elongated strip and has arc-shaped two sides, and is located on a side close to the oil plug body and abuts against the oil plug body;

[0027] An inclined surface receiving portion, wherein the inclined surface receiving portion and the upper receiving portion are integrally formed;

[0028] The thorn-shaped sealing part is hollow and can be extended and retracted;

[0029] The lower receiving part is against the oil plug.

[0030] In the above technical solution, further, a sealing groove is provided at the connection between the supporting portion and the blocking portion, and the end sealing member is provided on the sealing groove.

[0031] In the above technical solution, further, the end seal comprises:

[0032] A ring sealing portion, the ring sealing portion being arranged on the sealing groove;

[0033] The ring sealing rib is integrally formed on the ring sealing portion and has a circular cross section.

[0034] The beneficial effects of the utility model are:

[0035] 1. The setting of the magnet block can easily absorb foreign matter such as iron filings in the oil, thereby achieving a good oil purification effect;

[0036] 2. The setting of the oil plug can ensure the overall sealing performance of the oil plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a structural schematic diagram of the utility model;

[0038] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0039] Figure 3 yes Figure 2 A partial enlarged view of point Ⅰ in the middle;

[0040] Figure 4 yes Figure 2 A partial enlarged view of the middle II;

[0041] The markings in the figure are as follows: 1-oil plug body, 1a-force-bearing part, 1b-limiting part, 1c-connecting part, 2-groove part, 3-oil plug plug, 3a-support part, 3b-blocking part, 3c-receiving groove, 3d-connecting groove, 4-magnet block, 5-middle seal, 5a-upper supporting part, 5b-inclined supporting part, 5c-thorn-type sealing part, 5d-lower supporting part, 6-connecting bolt, 7-elastic part, 8-end seal, 8a-ring sealing part, 8b-ring sealing rib, 9-sealing groove. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0043] Embodiment 1:

[0044] This embodiment provides a magnetic oil plug for oil purification, comprising:

[0045] An oil plug body 1, a groove 2 is formed inwardly on one side of the oil plug body 1;

[0046] The oil plug 3 is arranged on one side of the groove portion 2 of the oil plug body 1, and the oil plug 3 is elastically connected to the oil plug body 1;

[0047] A magnet block 4, wherein the magnet block 4 is arranged on the oil plug 3;

[0048] The middle seal 5 is arranged between the oil plug 3 and the oil plug body 1 .

[0049] In the present technical solution, the hole that cooperates with the oil plug is a stepped hole, including a threaded outer hole portion and an inner hole portion with a diameter smaller than the outer hole portion. The oil plug body 1 is threadedly connected to the outer hole portion, and the oil plug plug 3 blocks the inner hole portion; the cooperation between the oil plug body 1 and the oil plug plug 3 ensures the overall sealing effect of the oil plug; at the same time, the setting of the magnet block 4 can facilitate the adsorption of foreign matter such as iron filings in the oil, thereby achieving a good oil purification effect; and the setting of the middle seal 5 can improve the sealing of the contact between the oil plug body 1 and the oil plug plug 3.

[0050] Embodiment 2:

[0051] This embodiment provides a magnetic oil plug for oil purification, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0052] The oil plug body 1 comprises:

[0053] The force-bearing portion 1a has a cross section in the shape of a regular hexagon;

[0054] The limiting portion 1b is circular and formed on one side of the force-bearing portion 1a, and the cross-sectional diameter of the limiting portion 1b is larger than the diameter of the circumscribed circle of the force-bearing portion 1a;

[0055] A connecting portion 1c, which is arranged on a side of the limiting portion 1b away from the force-bearing portion 1a;

[0056] An external thread is formed on the outside of the connecting portion 1c, and a groove 2 is formed on the end surface of the connecting portion 1c.

[0057] In the present technical solution, the regular hexagonal receiving portion can facilitate the disassembly and assembly of the oil plug body 1; the limiting portion 1b can limit the position of the oil plug body 1 screwed into the outer hole; and the setting of the connecting portion 1c can facilitate the fixation of the oil plug body 1.

[0058] Embodiment 3:

[0059] This embodiment provides a magnetic oil plug for oil purification, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0060] Also includes:

[0061] A connecting bolt 6 is inserted from one end of the oil plug 3 and connects the oil plug 3 with the bottom of the groove 2;

[0062] An elastic member 7, wherein the elastic member 7 is disposed in the groove 2 and two ends of the elastic member 7 are respectively against the bottom of the groove 2 and the oil plug 3;

[0063] The oil plug 3 can slide axially relative to the connecting bolt 6 .

[0064] In the present technical solution, the elastic member 7 is a spring, and the connection bolt 6 is provided to fix the oil plug 3 on the oil plug body 1. The arrangement of the elastic member 7 and the connection bolt 6 make the oil plug 3 elastically connected to the oil plug body 1, so that the oil plug 3 can better block the inner hole. The oil plug 3 can be made of corrosion-resistant rubber as a whole.

[0065] Embodiment 4:

[0066] This embodiment provides a magnetic oil plug for oil purification, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0067] The oil plug 3 includes:

[0068] The supporting portion 3a is circular and has a cross-sectional diameter equal to the diameter of the connecting portion 1c, and is located on a side close to the connecting portion 1c;

[0069] The blocking portion 3b is formed on a side of the supporting portion 3a away from the connecting portion 1c, and the blocking portion 3b is in a tapered shape with a decreasing diameter from the supporting portion 3a toward the outside;

[0070] An accommodating groove 3c extending inwardly from an end surface of the blocking portion 3b;

[0071] The connecting groove 3d is arranged at the bottom of the placement groove 3c and penetrates the blocking portion 3b and the supporting portion 3a, and the end of the connecting bolt 6 is slidably matched with the connecting groove 3d.

[0072] In the present technical solution, the support portion 3a is arranged to be able to rest against the bottom of the outer hole portion, the sealing portion is used to seal the inner hole portion, and the placement groove 3c is arranged to fix the magnet block 4, and the magnet block 4 is fixed to the placement groove 3c by an adhesive; and the setting of the connecting groove 3d facilitates the installation and fixation of the connecting bolt 6, and at the same time, the end of the connecting bolt 6 is slidably matched with the connecting groove 3d, so that when the oil plug plug 3 elastically moves toward the direction of the oil plug body 1, it is ensured that the connecting bolt 6 will not lift the magnet block 4.

[0073] Embodiment 5:

[0074] This embodiment provides a magnetic oil plug for oil purification, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0075] Also includes:

[0076] The end seal 8 is arranged at the connection between the supporting portion 3 a and the blocking portion 3 b of the oil plug 3 .

[0077] In the present technical solution, the provision of the end seal 8 can improve the sealing effect of the oil plug 3 in sealing the inner hole.

[0078] Embodiment 6:

[0079] This embodiment provides a magnetic oil plug for oil purification, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0080] The middle seal 5 comprises:

[0081] The upper receiving portion 5a is in the shape of an elongated strip and has arc-shaped two sides, and the upper receiving portion 5a is located on a side close to the oil plug body 1 and abuts against the oil plug body 1;

[0082] The inclined surface receiving portion 5b is integrally formed with the upper receiving portion 5a;

[0083] The thorn-shaped sealing portion 5c is hollow and can be extended and retracted;

[0084] The lower receiving portion 5d abuts against the oil plug 3.

[0085] In the present technical solution, an upper receiving groove for clamping the upper receiving part 5a is provided on the end surface of the piston body, and a lower receiving groove for clamping the lower receiving part 5d is provided on the end surface of the oil plug 3. The arrangement of the upper receiving part 5a and the lower receiving groove can facilitate the installation and fixation of the middle seal 5; and the arrangement of the inclined receiving part 5b can facilitate the connection between the thorn-shaped sealing part 5c and the upper receiving part 5a; and the thorn-shaped sealing part 5c is hollow and can be retracted so that the middle seal 5 can still ensure the sealing effect between the oil plug body 1 and the oil plug plug 3 when the gap between the oil plug plug 3 and the oil plug body 1 changes.

[0086] Embodiment 7:

[0087] This embodiment provides a magnetic oil plug for oil purification, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0088] A sealing groove 9 is provided at the connection between the supporting portion 3 a and the blocking portion 3 b , and the end sealing member 8 is provided on the sealing groove 9 .

[0089] In the present technical solution, the provision of the sealing groove 9 can facilitate the installation of the end seal 8 , thereby preventing the end seal 8 from shifting.

[0090] Embodiment 8:

[0091] This embodiment provides a magnetic oil plug for oil purification, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0092] The end seal 8 comprises:

[0093] A ring sealing portion 8a, wherein the ring sealing portion 8a is arranged on the sealing groove 9;

[0094] The ring sealing rib 8b is integrally formed on the ring sealing portion 8a and has a circular cross section.

[0095] In the present technical solution, the provision of the ring seal portion 8 a can facilitate the fixing of the end seal 8 at the connection between the support portion 3 a and the blocking portion 3 b , and the provision of the ring seal can improve the sealing effect of the end seal 8 .

[0096] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A magnetic oil plug for oil purification, characterized in that: include: An oil plug body (1), wherein a groove (2) is formed inwardly on one side of the oil plug body (1); An oil plug (3), wherein the oil plug (3) is arranged on one side of the grooved portion (2) of the oil plug body (1), and the oil plug (3) is elastically connected to the oil plug body (1); A magnet block (4), wherein the magnet block (4) is arranged on the oil plug (3); A middle seal (5), wherein the middle seal (5) is arranged between the oil plug head (3) and the oil plug body (1).

2. The magnetic oil plug for oil purification according to claim 1, characterized in that: The oil plug body (1) comprises: A force-bearing portion (1a), wherein the cross section of the force-bearing portion (1a) is a regular hexagon; A limiting portion (1b), wherein the limiting portion (1b) is circular and formed on one side of the force-bearing portion (1a), and the cross-sectional diameter of the limiting portion (1b) is greater than the diameter of the circumscribed circle of the force-bearing portion (1a); A connecting portion (1c), wherein the connecting portion (1c) is arranged on a side of the limiting portion (1b) away from the force-bearing portion (1a); The connecting portion (1c) is provided with an external thread, and the groove portion (2) is formed on the end surface of the connecting portion (1c).

3. The magnetic oil plug for oil purification according to claim 2, characterized in that: Also includes: A connecting bolt (6), the connecting bolt (6) penetrates from one end of the oil plug (3) and connects the oil plug (3) to the bottom of the groove (2); An elastic member (7), wherein the elastic member (7) is arranged in the groove (2) and two ends of the elastic member (7) are respectively against the bottom of the groove (2) and the oil plug (3); The oil plug (3) can slide axially relative to the connecting bolt (6).

4. The magnetic oil plug for oil purification according to claim 3, characterized in that: The oil plug (3) comprises: A supporting portion (3a), wherein the supporting portion (3a) is circular and has a cross-sectional diameter equal to the diameter of the connecting portion (1c), and is located on a side close to the connecting portion (1c); A blocking portion (3b), wherein the blocking portion (3b) is formed on a side of the supporting portion (3a) away from the connecting portion (1c), and the blocking portion (3b) is in a conical shape with a decreasing diameter from the supporting portion (3a) toward the outside; An accommodating groove (3c), wherein the accommodating groove (3c) extends inwardly from an end surface of the blocking portion (3b); A connecting groove (3d), wherein the connecting groove (3d) is arranged at the bottom of the placement groove (3c) and penetrates the blocking portion (3b) and the supporting portion (3a), and the end of the connecting bolt (6) is slidably matched with the connecting groove (3d).

5. The magnetic oil plug for oil purification according to claim 4, characterized in that: Also includes: An end seal (8) is arranged at the connection between the supporting portion (3a) and the blocking portion (3b) of the oil plug (3).

6. The magnetic oil plug for oil purification according to claim 1, characterized in that: The middle sealing member (5) comprises: An upper receiving portion (5a), wherein the upper receiving portion (5a) is in the shape of an elongated strip and has arc-shaped two sides, and the upper receiving portion (5a) is located on a side close to the oil plug body (1) and abuts against the oil plug body (1); An inclined surface receiving portion (5b), wherein the inclined surface receiving portion (5b) and the upper receiving portion (5a) are integrally formed; A thorn-shaped sealing portion (5c), wherein the thorn-shaped sealing portion (5c) is hollow and can be extended and retracted; A lower receiving portion (5d), wherein the lower receiving portion (5d) abuts against the oil plug (3).

7. The magnetic oil plug for oil purification according to claim 5, characterized in that: A sealing groove (9) is provided at the connection between the supporting portion (3a) and the blocking portion (3b), and the end sealing member (8) is provided on the sealing groove (9).

8. The magnetic oil plug for oil purification according to claim 7, characterized in that: The end seal (8) comprises: A ring sealing portion (8a), wherein the ring sealing portion (8a) is arranged on the sealing groove (9); The ring sealing rib (8b) is integrally formed on the ring sealing portion (8a) and has a circular cross section.

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