CN214577476U

CN214577476U - Make things convenient for filter of filter core assembly

Info

Publication number: CN214577476U
Application number: CN202120369117.2U
Authority: CN
Inventors: 刘红柯; 张鹏; 陈惠英
Original assignee: Shanghai Inter Auto Parts Co ltd
Current assignee: Shanghai Inter Auto Parts Co ltd
Priority date: 2021-02-10
Filing date: 2021-02-10
Publication date: 2021-11-02
Anticipated expiration: 2031-02-10

Abstract

The utility model belongs to the technical field of the technique of a filter and specifically relates to a make things convenient for filter of filter core assembly, including casing, filter core lower cover, the filter core lower cover is fixed in the bottom of filter core, the casing includes the bottom, bottom surface protrusion is provided with a location section of thick bamboo, a location section of thick bamboo with the bottom the housing central axis coincides mutually, the centre bore has been seted up to the filter core lower cover, the centre bore coincides with the central axis homogeneous phase of filter core, filter core lower cover, the centre bore with the cooperation of pegging graft of filter core lower cover. The assembly precision is high, and the filter paper core is difficult for appearing the installation dislocation, reduces the time of artifical alignment, and efficiency also improves to some extent.

Description

Make things convenient for filter of filter core assembly

Technical Field

The application relates to the field of filters, in particular to a filter convenient for filter element assembly.

Background

The filter is a filter that filters impurities or gas through filter paper. Generally refers to an automobile filter, and belongs to the engine accessories.

Among the correlation technique, the filter includes filter core, filter core upper cover, filter core lower cover and shell, and the filter core forms the wave after being folded by filter paper, then is cylindricly around the round, and filter core upper cover and filter core lower cover are discoid, and adopt the mode of splicing to fix the upper and lower both ends at the filter core. The filter comprises a shell, a filter element upper cover, a filter element lower cover, a filter element upper cover, a filter element lower cover, a filter element upper cover, a filter element and a filter element upper cover.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the filter core is installed in the shell, needs the center alignment on filter core center and the bottom, keeps same central axis, all adopts manual operation at present, and naked eye discernment is operated, and the assembly precision is than lower, and efficiency is also than lower.

SUMMERY OF THE UTILITY MODEL

In order to improve assembly precision and assembly efficiency, the application provides a make things convenient for filter of filter core assembly.

The application provides a make things convenient for filter of filter core assembly adopts following technical scheme:

the utility model provides a make things convenient for filter of filter core assembly, includes casing, filter element lower cover, the filter element lower cover is fixed in the bottom of filter element, the casing includes the bottom, bottom surface protrusion is provided with a location section of thick bamboo, a location section of thick bamboo with the bottom the central axis homogeneous phase of casing coincides, the centre bore has been seted up to the filter element lower cover, the centre bore coincides with the central axis homogeneous phase of filter element, filter element lower cover, the centre bore with the cooperation of pegging graft of filter element lower cover.

Through adopting above-mentioned technical scheme, the location section of thick bamboo on the bottom and the centre bore location fit on the filter core lower cover, and centre bore, a location section of thick bamboo and bottom three central axis coincide mutually, consequently, can ensure that the three is coaxial, and the assembly precision is high, and the difficult installation dislocation that appears of filter paper core reduces the time of artifical alignment, and efficiency also improves to some extent.

Preferably, the filter element lower cover comprises an elastic convex ring, and the inner annular surface of the elastic convex ring is attached to the outer circumferential surface of the positioning cylinder.

Through adopting above-mentioned technical scheme, laminating between elasticity bulge loop and the location section of thick bamboo makes the cooperation inseparabler between filter core lower cover and the location section of thick bamboo, is difficult for appearing the clearance.

Preferably, the longitudinal section both ends of elasticity bulge loop are for falling the U-shaped, the elasticity bulge loop includes interior ring member, the top outer border of a location section of thick bamboo is encircleed and is provided with the chamfer inclined plane, the chamfer inclined plane is contradicted so that the filter core lower cover with the center of a location section of thick bamboo is aimed at with the bottom border of interior ring member.

Through adopting above-mentioned technical scheme, the chamfer inclined plane is contradicted with the bottom border of interior ring member, can make elasticity bulge loop and a location section of thick bamboo realize aim at fast, and the chamfer inclined plane plays the effect that the guide was aimed at, improves assembly efficiency.

Preferably, the surface of the filter element lower cover is concavely provided with a first annular groove, and the bottom of the filter element is matched with the first annular groove in a positioning way.

Through adopting above-mentioned technical scheme, realize the location installation between filter core lower cover and the filter paper core, improve assembly precision and efficiency.

Preferably, a positioning cylinder one end integrated into one piece in the surface of filter core lower cover, the liquid outlet hole that extends along positioning cylinder length direction is seted up to the other end, the bottom surface is provided with the drain pipe, the one end in liquid outlet hole with the inside intercommunication of filter element, the other end with liquid outlet hole is linked together.

By adopting the technical scheme, the liquid medium entering the interior of the filter paper core after filtration enters the shell from the liquid outlet hole and the liquid outlet pipe, and the liquid outlet hole communicates the interior of the filter paper core with the liquid outlet pipe, so that the liquid medium can be discharged normally.

Preferably, the top of the filter element is fixedly connected with an upper cover of the filter element, a second annular groove is formed on the bottom surface of the upper cover of the filter element in a concave manner, and the top of the filter element is matched with the second annular groove in a positioning manner.

Through adopting above-mentioned technical scheme, realize accurate location installation between filter core upper cover and the filter paper core, improve assembly efficiency and precision.

Preferably, the top surface of the shell is provided with an upper opening, and an upper cover body covering the upper opening is detachably connected to the side wall of the upper opening.

Through adopting above-mentioned technical scheme, the upper cover body can be dismantled down, carries out the dismouting maintenance with the filter paper core through the upper shed, makes the filter paper core change wash more convenient.

Preferably, the casing is sunken to be formed with annular clamping groove on being close to the inner wall of upper shed, the border of going up the lid is provided with protruding with annular clamping groove joint complex elasticity joint.

Through adopting above-mentioned technical scheme, adopt elasticity joint complex mode to realize the dismouting between upper cover body and the casing, such dismouting mode convenience more, it is quick.

Preferably, the housing is provided with a sealing member on an inner wall near the upper opening to seal a gap between the upper opening and the upper cover.

Through adopting above-mentioned technical scheme, the sealing member can seal up the clearance between upper shed and the last lid, avoids the foreign matter to enter into in the casing from the clearance between casing and the last lid, makes the whole better leakproofness that reaches of filter.

In summary, the present application includes at least one of the following beneficial technical effects:

the whole filter has high assembly precision, the filter paper core is not easy to be installed and dislocated, the manual alignment time is reduced, and the efficiency is also improved;

the upper cover body and the shell are assembled and disassembled in an elastic clamping and matching mode, and the assembling and disassembling mode is more convenient and faster.

Drawings

FIG. 1 is a schematic cross-sectional view of a filter assembly that facilitates assembly of a filter cartridge according to an embodiment of the present disclosure.

Fig. 2 is an enlarged view of part a of fig. 1, showing the sealing relationship between the housing and the upper cover.

Fig. 3 is an exploded view of a filter with a filter cartridge assembly of the present application.

Description of reference numerals: 1. a housing; 101. a bottom cover; 102. a positioning cylinder; 103. a liquid outlet hole; 104. chamfering the inclined plane; 105. a liquid outlet pipe; 106. an annular neck; 107. an upper opening; 2. a filter element lower cover; 201. a first annular groove; 202. an elastic convex ring; 203. an inner ring body; 204. a central bore; 3. a filter paper core; 4. a filter element upper cover; 401. a second annular groove; 5. an upper cover body; 501. the elastic clamping bulge is connected with the base; 502. a liquid inlet pipe; 6. a seal ring; 7. a dust cap.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a filter convenient for filter element assembly.

Referring to fig. 1, the filter includes a housing 1, a filter element 3, a filter element lower cover 2, a filter element upper cover 4, and an upper cover 5. Filter core upper cover 4 and filter core lower cover 2 are fixed in the top and the bottom of filter paper core 3 respectively, upper shed 107 has been seted up to casing 1's top surface, upper shed 107 makes the inside and outside intercommunication of casing 1, casing 1 demountable installation has the upper cover body 5 that covers upper shed 107 on upper shed 107, integrated into one piece has feed liquor pipe 502 on the upper cover body 5, feed liquor pipe 502 and the inside intercommunication of casing 1, casing 1 includes bottom 101, be provided with the drain pipe 105 with the inside intercommunication of filter paper core 3 on the bottom 101, filter paper core 3 is installed in casing 1. The liquid medium enters the gap between the casing 1 and the filter paper core 3 from the liquid inlet pipe 502, permeates the filter paper core 3 into the filter paper core 3, and then is discharged out of the filter from the liquid outlet pipe 105 on the bottom cover 101.

Referring to fig. 1, the bottom cover 101 is integrally formed at the bottom of the housing 1 and has a disc shape, the liquid outlet pipe 105 is vertically disposed at the center of the bottom surface of the bottom cover 101, the liquid outlet pipe 105 is integrally formed with the bottom cover 101, and one end of the liquid outlet pipe 105 penetrates through the bottom cover 101 and is communicated with the inside of the housing 1. A positioning cylinder 102 protruding out of the surface of the bottom cover 101 is integrally formed at the center of the bottom cover 101, the positioning cylinder 102 is cylindrical, and the central axis of the positioning cylinder 102 coincides with the central axes of the housing 1 and the bottom cover 101.

The top outer edge of the positioning cylinder 102 is provided with a chamfer inclined surface 104, and the chamfer inclined surface 104 gradually inclines and extends from the top surface to the bottom surface of the positioning cylinder 102 towards the direction far away from the central axis of the positioning cylinder 102. The positioning cylinder 102 is provided with a liquid outlet hole 103, the liquid outlet hole 103 extends from one end of the positioning cylinder 102 to the other end and is communicated with a liquid outlet pipe 105 on the bottom cover 101, and one end of the liquid outlet hole 103 far away from the bottom cover 101 is communicated with the inside of the filter paper core 3.

Referring to fig. 1, the filter element 3 is made by folding filter paper into a wave shape and winding the filter paper for a circle into a cylinder shape, the filter element lower cover 2 is disc-shaped, a first annular groove 201 is formed on the surface of the filter element lower cover 2 in a concave manner, the bottom of the filter element 3 is fixed in the first annular groove 201 in a positioning manner, and the filter element lower cover 2 and the filter paper element 3 are fixed by glue.

An elastic convex ring 202 is integrally formed at the center of the filter element lower cover 2, the elastic convex ring 202 is formed by surrounding the central axis of the shell 1 by a circle, the elastic convex ring 202 protrudes out of the surface of the filter element lower cover 2, two ends of the longitudinal section of the elastic convex ring 202 are inverted U-shaped, the elastic convex ring 202 has certain elastic deformation capacity, the inner ring of the elastic convex ring 202 is a central hole 204, the central axis of the central hole 204 is coincident with the central axis of the positioning cylinder 102, the filter element lower cover 2 is positioned and inserted on the positioning cylinder 102 through the central hole 204, the inner ring surface of the elastic convex ring 202 is the inner wall of the central hole 204, and the inner ring surface of the elastic convex ring 202 is attached to the outer circumference surface of the positioning cylinder 102.

Referring to fig. 1, the elastic bulge loop 202 includes an inner ring 203, an inner ring surface of the inner ring 203 is an inner ring surface of the elastic bulge loop 202, the inner ring 203 is shaped as a circular ring, during the process of mounting the lower filter element cover 2 on the positioning cylinder 102, a bottom edge of the inner ring surface of the inner ring 203 abuts against the chamfer angle 104, and under the action of the abutting guide, a center of the lower filter element cover 2 is aligned with a center of the positioning cylinder 102, so as to maintain the same central axis, thereby completing the mounting between the lower filter element cover 2 and the positioning cylinder 102.

The top surface of filter paper core 3 is glued and is fixed with filter core upper cover 4, and filter core upper cover 4's shape is discoid, and filter core upper cover 4's external diameter is less than casing 1's internal diameter, and filter core upper cover 4's bottom surface is sunken to be formed with second annular groove 401, filter paper core 3's top and second annular groove 401 location fit.

Upper shed 107 has been seted up to casing 1's top surface, inside and outside upper shed 107 intercommunication casing 1, casing 1 is sunken to be formed with annular clamping groove 106 on the inner wall that is close to upper shed 107, annular clamping groove 106 encircles casing 1's inboard a week, go up the protruding 501 of elastic clamping joint of the outer border integrated into one piece of lid 5, the protruding 501 of elastic clamping extends to the central axis direction of keeping away from upper cover body 5, and the protruding 501 of elastic clamping joint is cyclic annular and encircles the outer border a week of upper cover body 5. The elastic clamping protrusion 501 is elastically clamped and matched with the annular clamping groove 106, so that clamping matching between the upper cover body 5 and the shell 1 is realized.

Referring to fig. 1 and 2, a sealing member is arranged at the upper opening 107 of the casing 1, the sealing member is a sealing ring 6, the sealing ring 6 is fixedly sleeved at the bottom of the upper cover 5, the setting height of the sealing ring 6 is lower than that of the elastic clamping protrusion 501, and the sealing ring 6 seals a gap between the upper cover 5 and the inner wall of the casing 1.

Referring to fig. 1, the center of the surface of the upper cover 5 protrudes in a direction away from the housing 1 to form a cone, and a liquid inlet pipe 502 is integrally formed at the center of the surface of the upper cover 5, the central axis of the liquid inlet pipe 502 coincides with the central axis of the housing 1, and one end of the liquid inlet pipe 502 formed on the upper cover 5 is communicated with the inside of the housing 1.

Referring to fig. 3, both the liquid outlet pipe 105 and the liquid inlet pipe 502 are sleeved with a dust cap 7, inner walls of the dust cap 7 are provided with inner threads, outer circumferential surfaces of the liquid outlet pipe 105 and the liquid inlet pipe 502 are provided with outer threads, the dust cap 7 is installed on pipe orifices at one ends of the liquid outlet pipe 105 and the liquid inlet pipe 502 in a threaded manner, and the dust cap 7 plays a role in dust prevention and prevents dust or foreign matters from entering the filter from the liquid outlet pipe 105 or the liquid inlet pipe 502 in a transportation process.

The implementation principle of the filter convenient for filter element assembly in the embodiment of the application is as follows: the filter element lower cover 2 is positioned and installed on the positioning cylinder 102 through the central hole 204, the central hole 204 is positioned and matched with the positioning cylinder 102, the filter element lower cover 2 and the filter paper core 3 keep the same central axis, and then the upper cover body 5 is clamped and fixed on the upper opening 107 of the shell 1.

When the filter is used, the liquid medium enters between the shell 1 and the filter paper core 3 from the liquid inlet pipe 502, enters the filter element paper through the filtering action of the filter paper core 3, and is finally discharged from the liquid outlet hole 103 and the liquid outlet pipe 105.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a make things convenient for filter of filter core assembly, includes casing (1), filter element (3), filter element lower cover (2) are fixed in the bottom of filter element (3), casing (1) includes bottom (101), its characterized in that: the filter element is characterized in that a positioning cylinder (102) is arranged on the surface of the bottom cover (101) in a protruding mode, the positioning cylinder (102) is coincided with the bottom cover (101) and the central axis of the shell (1), a central hole (204) is formed in the filter element lower cover (2), the central hole (204) is coincided with the central axes of the filter element (3) and the filter element lower cover (2), and the central hole (204) is matched with the filter element lower cover (2) in an inserting mode.

2. A filter to facilitate assembly of a filter cartridge as recited in claim 1, wherein: the filter element lower cover (2) comprises an elastic convex ring (202), and the inner ring surface of the elastic convex ring (202) is attached to the outer circumference surface of the positioning cylinder (102).

3. A filter to facilitate assembly of a filter cartridge as recited in claim 2, wherein: the longitudinal section both ends of elasticity bulge loop (202) are for falling the U-shaped, elasticity bulge loop (202) are including interior ring member (203), the top outer border of a location section of thick bamboo (102) is encircleed and is provided with chamfer inclined plane (104), the conflict so that at the bottom border of chamfer inclined plane (104) and interior ring member (203) filter core lower cover (2) with the center of a location section of thick bamboo (102) is aimed at.

4. A filter to facilitate assembly of a filter cartridge as recited in claim 1, wherein: the filter element lower cover (2) is provided with a first annular groove (201) in a concave mode, and the bottom of the filter element (3) is matched with the first annular groove (201) in a positioning mode.

5. A filter to facilitate assembly of a filter cartridge as recited in claim 1, wherein: one end of the positioning cylinder (102) is integrally formed on the surface of the lower filter element cover (2), a liquid outlet hole (103) extending along the length direction of the positioning cylinder (102) is formed in the other end of the positioning cylinder, a liquid outlet pipe (105) is arranged on the outer surface of the bottom cover (101), one end of the liquid outlet hole (103) is communicated with the inside of the filter element (3), and the other end of the liquid outlet hole is communicated with the liquid outlet hole (103).

6. A filter to facilitate assembly of a filter cartridge as recited in claim 1, wherein: the filter paper element is characterized in that the top of the filter paper element (3) is fixedly connected with a filter element upper cover (4), a second annular groove (401) is formed in the bottom surface of the filter element upper cover (4) in a concave mode, and the top of the filter paper element (3) is matched with the second annular groove (401) in a positioning mode.

7. A filter to facilitate assembly of a filter cartridge as recited in claim 1, wherein: an upper opening (107) is formed in the top surface of the shell (1), and an upper cover body (5) covering the upper opening (107) is detachably connected to the side wall of the upper opening (107).

8. A filter to facilitate assembly of a filter cartridge as claimed in claim 7, wherein: casing (1) is sunken to be formed with annular clamping groove (106) on being close to the inner wall of last opening (107), the border of going up lid (5) is provided with annular clamping groove (106) joint complex elasticity joint arch (501).

9. A filter to facilitate assembly of a filter cartridge as recited in claim 8, wherein: the inner wall of the shell (1) close to the upper opening (107) is provided with a sealing element for sealing a gap between the upper opening (107) and the upper cover body (5).