阅读说明：本技术 燃油滤清器及其加工工艺 (Fuel filter and processing technology thereof ) 是由 李政伏 潘振飞 于超 唐青 于 2021-08-30 设计创作，主要内容包括：本发明涉及滤清器技术领域,尤其涉及燃油滤清器及其加工工艺,所述滤芯的外部设置有外壳,所述外壳的下端设置有进油管,所述滤芯的上方设置有滤清器盖,滤清器盖的下端插入滤芯的内部,所述滤清器盖的上端设置有出油管；还包括连接滤清器盖和外壳的连接机构,所述连接机构包括与滤清器盖连接的承接板、转动套接在出油管上的圆盘和设置在外壳上的卡口。本发明中的燃油滤清器,滤清器盖和外壳通过连接机构进行连接,连接方式简单,操作方便,避免了传统的滤清器盖和外壳通过压边工艺组装,在对其进行拆卸时,需要将外壳进行破坏的情况,本发明中的外壳可进行重复使用。(The invention relates to the technical field of filters, in particular to a fuel filter and a processing technology thereof.A shell is arranged outside a filter element, an oil inlet pipe is arranged at the lower end of the shell, a filter cover is arranged above the filter element, the lower end of the filter cover is inserted into the filter element, and an oil outlet pipe is arranged at the upper end of the filter cover; the filter cover is connected with the outer shell through a connecting mechanism, and the connecting mechanism comprises a bearing plate connected with the filter cover, a disc rotatably sleeved on the oil outlet pipe and a bayonet arranged on the outer shell. According to the fuel filter, the filter cover and the shell are connected through the connecting mechanism, the connecting mode is simple, the operation is convenient, the situation that the shell needs to be damaged when the traditional filter cover and the shell are assembled through a blank pressing process and are disassembled is avoided, and the shell can be reused.)

1. The fuel filter comprises a filter element (1), wherein a shell (2) is arranged outside the filter element (1), an oil inlet pipe (3) is arranged at the lower end of the shell (2), a filter cover (5) is arranged above the filter element (1), the lower end of the filter cover (5) is inserted into the filter element (1), and an oil outlet pipe (6) is arranged at the upper end of the filter cover (5);

the method is characterized in that: the oil filter further comprises a connecting mechanism for connecting the filter cover (5) and the shell (2), the connecting mechanism comprises a bearing plate (7) connected with the filter cover (5), a disc (11) rotatably sleeved on the oil outlet pipe (6) and a bayonet (4) arranged on the shell (2),

the bearing plate (7) is connected with a top plate (8) which is arranged in parallel with the filter cover (5), a limiting sliding groove (801) is formed in the top plate (8), the disc (11) is rotatably connected with a limiting rod (9) through a bearing rod (10), one end of the limiting rod (9) movably penetrates through the movable bearing plate (7) and is inserted into the bayonet (4), the limiting rod (9) is connected with a limiting sliding block (901), and the limiting sliding block (901) slides in the limiting sliding groove (801);

and a position fixing mechanism (12) for positioning the disc (11) is arranged on the oil outlet pipe (6).

2. The fuel filter of claim 1, wherein: and a sealing ring is arranged between the shell (2) and the bearing plate (7).

3. The fuel filter of claim 1, wherein: the position fixing mechanism (12) comprises a positioning block (1201) fixedly sleeved on the oil outlet pipe (6), the positioning block (1201) is a prism, a positioning ring (1202) is movably sleeved on the positioning block (1201), the positioning ring (1202) is matched with the positioning block (1201), a positioning hole (1203) is formed in the positioning ring (1202), and a positioning rod unit connected with the upper end face of the disc (11) is movably inserted in the positioning hole (1203);

the position fixing mechanism (12) further comprises a nut (1204) in threaded connection with the oil outlet pipe (6), and the nut (1204) is located above the positioning block (1201).

4. The fuel filter of claim 3, wherein: the position fixing mechanism (12) further comprises a fin plate (1205), the fin plate (1205) is connected with the inner wall of the positioning ring (1202), the fin plate (1205) is located below the positioning block (1201), and the upper end of the fin plate (1205) and the lower end of the positioning block (1201) are both connected with a permanent magnet (1206).

5. The fuel filter of claim 3, wherein: the positioning rod unit comprises a connecting sleeve (1207) connected with the upper end face of the disc (11), a rod body (1208) is movably inserted into the sleeve (1207), the rod body (1208) is connected with the disc (11) through a spring (1209), a cross rod (1210) is connected onto the rod body (1208), and a strip-shaped groove (1211) formed in the sleeve (1207) is penetrated through the activity of the movable end of the cross rod (1210).

6. The fuel filter of claim 1, wherein: be provided with recess (201) on shell (2), be provided with lug (802) on roof (8), lug (802) insert the inside of recess (201), and lug (802) and recess (201) mutually support the relative position location to shell (2) and roof (8).

7. The fuel filter processing technology is characterized in that: the method comprises the following steps:

s1, component preparation: preparing a filter element (1), a shell (2) with an oil inlet pipe (3), a filter cover (5) with an oil outlet pipe (6), a connecting mechanism and a position fixing mechanism (12) in place;

s2, processing the parts: processing a bayonet (4) and a groove (201) on the shell (2); welding a lug (802) on the top plate (8);

s3, component mounting: mounting the connecting mechanism and the position fixing mechanism (12) in place on the filter cover (5) and the oil outlet pipe (6);

s4, assembling: the filter element (1) is inserted into the shell (2), the filter cover (5) is arranged above the filter element (1), the lower end of the filter cover (5) is inserted into the filter element (1), the filter cover (5) and the shell (2) are connected by a connecting mechanism, and a disc (11) in the connecting mechanism is positioned by a position fixing mechanism (12).

Technical Field

The invention relates to the technical field of filters, in particular to a fuel filter and a processing technology thereof.

Background

The fuel filter is used for filtering harmful particles and moisture in an engine fuel gas system so as to protect an oil pump nozzle, a cylinder sleeve, a piston ring and the like, reduce abrasion and avoid blockage.

Application number is 201110117509.0, and the patent name is for firing oil filter's technical scheme, and the upper cover plate subassembly that fires oil filter among this technical scheme includes the upper cover plate that the punching press formed and welds into oil pipe and play oil pipe to the upper cover plate, and upper cover plate subassembly processing technology is simple, easily function expansion. However, the upper cover plate and the housing in this solution are assembled by pressing, and when they are disassembled, the housing needs to be broken, and cannot be reused.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a fuel filter and a processing technology thereof.

The invention solves the technical problems through the following technical means:

the fuel filter comprises a filter element, a shell is arranged outside the filter element, an oil inlet pipe is arranged at the lower end of the shell, a filter cover is arranged above the filter element, the lower end of the filter cover is inserted into the filter element, and an oil outlet pipe is arranged at the upper end of the filter cover;

also comprises a connecting mechanism for connecting the filter cover and the shell, the connecting mechanism comprises a bearing plate connected with the filter cover, a disc rotatably sleeved on the oil outlet pipe and a bayonet arranged on the shell,

the bearing plate is connected with a top plate arranged in parallel with the filter cover, a limiting sliding groove is formed in the top plate, the disc is rotatably connected with a limiting rod through the bearing rod, one end of the limiting rod movably penetrates through the movable bearing plate and is inserted into the bayonet, the limiting rod is connected with a limiting sliding block, and the limiting sliding block slides in the limiting sliding groove;

and the oil outlet pipe is provided with a position fixing mechanism for positioning the disc.

As an improvement of the above technical solution, a sealing ring is arranged between the housing and the bearing plate.

As an improvement of the technical scheme, the position fixing mechanism comprises a positioning block fixedly sleeved on the oil outlet pipe, the positioning block is a prism, the positioning block is movably sleeved with a positioning ring, the positioning ring is matched with the positioning block, a positioning hole is formed in the positioning ring, and a positioning rod unit connected with the upper end face of the disc is movably inserted in the positioning hole;

the position fixing mechanism further comprises a nut connected with the oil outlet pipe in a threaded mode, and the nut is located above the positioning block.

As an improvement of the technical scheme, the position fixing mechanism further comprises a fin plate, the fin plate is connected with the inner wall of the positioning ring and located below the positioning block, and the upper end of the fin plate and the lower end of the positioning block are both connected with permanent magnets.

As an improvement of the technical scheme, the positioning rod unit comprises a connecting sleeve connected with the upper end face of the disc, a rod body is movably inserted in the sleeve and connected with the disc through a spring, a cross rod is connected to the rod body, and the movable end of the cross rod movably penetrates through a strip-shaped groove formed in the sleeve.

As an improvement of the technical scheme, the shell is provided with a groove, the top plate is provided with a convex block, the convex block is inserted into the groove, and the convex block and the groove are matched with each other to position the relative positions of the shell and the top plate.

The fuel filter processing technology comprises the following steps:

s1, component preparation: preparing a filter element, a shell with an oil inlet pipe, a filter cover with an oil outlet pipe, a connecting mechanism and a position fixing mechanism in place;

s2, processing the parts: processing a bayonet and a groove on the shell; welding a lug on the top plate;

s3, component mounting: mounting the connecting mechanism and the position fixing mechanism on the filter cover and the oil outlet pipe in place;

s4, assembling: the filter element is inserted into the shell, the filter cover is arranged above the filter element, the lower end of the filter cover is inserted into the filter element, the filter cover and the shell are connected through the connecting mechanism, and the disc in the connecting mechanism is positioned through the position fixing mechanism.

The invention has the beneficial effects that:

according to the fuel filter, the filter cover and the shell are connected through the connecting mechanism, the connecting mode is simple, the operation is convenient, the situation that the shell needs to be damaged when the traditional filter cover and the shell are assembled through a blank pressing process and are disassembled is avoided, and the shell can be reused;

in the position fixing mechanism, a positioning rod unit is inserted into the positioning hole to fix the position of the disc and prevent the disc from rotating;

the positioning ring is fixed at a position higher than the positioning rod unit through the mutual attraction of the two permanent magnets, so that the positioning ring is prevented from influencing the rotation of the disc, and the convenience degree of operation is improved;

the positioning rod unit is arranged to prompt the limiting rod to move to the mounting position so as to prevent the disc from rotating excessively;

insert the inside setting of recess with the lug, relative position when assembling shell and roof is fixed a position, makes the bayonet socket relative with the gag lever post that moves the mounted position simultaneously, improves the convenient degree of fuel filter equipment.

Drawings

FIG. 1 is a schematic structural diagram of a fuel filter according to an embodiment of the invention;

FIG. 2 is a schematic top view of a fuel filter according to an embodiment of the invention;

FIG. 3 is an enlarged schematic view of a structure of a fuel filter A according to an embodiment of the invention;

FIG. 4 is an enlarged schematic view of a fuel filter B according to an embodiment of the invention;

reference numerals: a filter element 1; a housing 2; a groove 201; an oil inlet pipe 3; a bayonet 4; a filter cover 5; an oil outlet pipe 6; a bearing plate 7; a top plate 8; a limiting chute 801; a bump 802; a limiting rod 9; a limiting slide block 901; a bolster rod 10; a disc 11; a position fixing mechanism 12; a positioning block 1201; a positioning ring 1202; positioning holes 1203; a nut 1204; a fin plate 1205; a permanent magnet 1206; a sleeve 1207; a rod body 1208; a spring 1209; a cross bar 1210; a strip groove 1211.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

As shown in fig. 1, 2, 3, and 4, the fuel filter of the present embodiment includes a filter element 1, a housing 2 is disposed outside the filter element 1, an oil inlet pipe 3 is disposed at a lower end of the housing 2, a filter cover 5 is disposed above the filter element 1, a lower end of the filter cover 5 is inserted into the filter element 1, and an oil outlet pipe 6 is disposed at an upper end of the filter cover 5;

also comprises a connecting mechanism for connecting the filter cover 5 and the shell 2, the connecting mechanism comprises a bearing plate 7 connected with the filter cover 5, a disc 11 rotatably sleeved on the oil outlet pipe 6 and a bayonet 4 arranged on the shell 2, a sealing ring is arranged between the shell 2 and the bearing plate 7,

the bearing plate 7 is connected with a top plate 8 arranged in parallel with the filter cover 5, a limiting sliding groove 801 is formed in the top plate 8, the disc 11 is rotatably connected with a limiting rod 9 through a bearing rod 10, one end of the limiting rod 9 movably penetrates through the movable bearing plate 7 and is inserted into the bayonet 4, the limiting rod 9 is connected with a limiting sliding block 901, and the limiting sliding block 901 slides in the limiting sliding groove 801; the oil outlet pipe 6 is provided with a position fixing mechanism 12 for positioning the disc 11.

In the scheme, the filter element 1 is arranged in the shell 2, the filter cover 5 is arranged above the filter element 1, the lower end of the filter cover 5 is inserted into the filter element 1, the disc 11 is rotated, the bearing rod 10 drives the limiting rod 9 to perform reciprocating linear motion under the matching action of the limiting sliding groove 801 and the limiting sliding block 901, after the limiting rod 9 penetrates through the bearing plate 7 and is inserted into the bayonet 4, the position of the disc 11 is fixed through the position fixing mechanism 12, at the moment, the relative positions of the shell 2 and the filter cover 5 are fixed, and the fuel filter is assembled;

in the fuel filter, the filter cover 5 and the shell 2 are connected through the connecting mechanism, the connecting mode is simple, the operation is convenient, the situation that the shell 2 needs to be damaged when the traditional filter cover 5 and the shell 2 are assembled through a blank pressing process and are disassembled is avoided, and the shell 2 can be repeatedly used.

As shown in fig. 4, the position fixing mechanism 12 includes a positioning block 1201 fixedly sleeved on the oil outlet pipe 6, the positioning block 1201 is a prism, the positioning block 1201 is movably sleeved with a positioning ring 1202, the positioning ring 1202 is arranged in a matching manner with the positioning block 1201, the positioning ring 1202 can only move in the up-down direction under the action of the positioning block 1201, a positioning hole 1203 is formed in the positioning ring 1202, and a positioning rod unit connected with the upper end face of the disc 11 is movably inserted in the positioning hole 1203;

the position fixing mechanism 12 further comprises a nut 1204 in threaded connection with the oil outlet pipe 6, and the nut 1204 is positioned above the positioning block 1201.

In the present embodiment, after the disc 11 drives the limiting rod 9 to move to the right position, the positioning ring 1202 moves downward, the positioning rod unit is inserted into the positioning hole 1203, the nut 1204 rotates and moves downward on the oil outlet pipe 6 until the disc 11, the positioning ring 1202 and the nut 1204 abut against each other, the height position of the positioning ring 1202 is limited,

in the position fixing mechanism 12, a positioning lever unit is inserted into the positioning hole 1203 to fix the position of the disk 11 and prevent the disk 11 from rotating.

As shown in fig. 4, the position fixing mechanism 12 further includes a fin plate 1205, the fin plate 1205 is connected to the inner wall of the positioning ring 1202, the fin plate 1205 is located below the positioning block 1201, and the upper end of the fin plate 1205 and the lower end of the positioning block 1201 are both connected to a permanent magnet 1206;

the setting of permanent magnet 1206, through two permanent magnet 1206 inter attractions, fix the holding ring 1202 in the position that is higher than the locating lever unit, avoid holding ring 1202 to influence the rotation of disc 11, improve the convenient degree of operation.

As shown in fig. 4, the positioning rod unit includes a connecting sleeve 1207 connected to the upper end surface of the disc 11, a rod 1208 is movably inserted into the sleeve 1207, the rod 1208 is connected to the disc 11 through a spring 1209, a cross rod 1210 is connected to the rod 1208, and a movable end of the cross rod 1210 movably penetrates through a strip-shaped groove 1211 formed in the sleeve 1207;

the positioning ring 1202 is limited above the positioning rod unit, when the limiting rod 9 does not move to the installation position, the rod body 1208 abuts against the lower end face of the positioning ring 1202, and at this time, the spring 1209 is extruded; after the limiting rod 9 moves to the installation position, under the action of the spring 1209, the rod body 1208 is inserted into the positioning hole 1203; when the rod body 1208 needs to be taken out of the positioning hole 1203, the rod body 1208 is pulled down to be lower than the lower end surface of the positioning ring 1202 by the cross rod 1210,

the positioning rod unit is arranged to prompt the limiting rod 9 to move to the installation position, and the disc 11 is prevented from rotating excessively.

As shown in fig. 2, the housing 2 is provided with a groove 201, the top plate 8 is provided with a projection 802, the projection 802 is inserted into the groove 201, and the projection 802 and the groove 201 are matched with each other to position the housing 2 and the top plate 8 relative to each other;

the lug 802 is inserted into the groove 201, the relative position of the shell 2 and the top plate 8 during assembly is located, the bayonet 4 is opposite to the limiting rod 9 moving to the mounting position, and the convenience degree of the fuel filter assembly is improved.

The fuel filter processing technology comprises the following steps:

s1, component preparation: preparing a filter element 1, a shell 2 with an oil inlet pipe 3, a filter cover 5 with an oil outlet pipe 6, a connecting mechanism and a position fixing mechanism 12 in place;

s2, processing the parts: processing a bayonet 4 and a groove 201 on the shell 2; a bump 802 is welded to the top plate 8;

s3, component mounting: the connecting mechanism and the position fixing mechanism 12 are arranged in place on the filter cover 5 and the oil outlet pipe 6;

s4, assembling: the filter element 1 is inserted into the housing 2, the filter cover 5 is placed above the filter element 1, the lower end of the filter cover 5 is inserted into the filter element 1, the filter cover 5 and the housing 2 are connected by a connecting mechanism, and the disc 11 in the connecting mechanism is positioned by a position fixing mechanism 12.

According to the fuel filter manufactured by the processing technology, the filter cover 5 and the shell 2 are connected through the connecting mechanism, the connecting mode is simple, the operation is convenient, the situation that the shell 2 needs to be damaged when the traditional filter cover 5 and the shell 2 are assembled through a blank pressing technology and are disassembled is avoided, and the shell 2 can be reused.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.