CN209612381U - It is a kind of for positioning the positioning device of filter core - Google Patents

Abstract

The utility model discloses a kind of for positioning the positioning device of filter core, including shell, core material and positioning device, a fluid channel is provided on shell, core material is arranged in the inside of shell, the first exhalant canal is provided in core material, the outer wall of core material and the inner wall of shell form an intake antrum, the positioning device to core material positioning is provided in shell, positioning device includes core cap and elastic card, and the upper end of core material is inserted in core cap, the lower end of core material is inserted in elastic card, and the bottom of shell is arranged in elastic card.Positioning device has carried out installation positioning to the entirety of core material, first exhalant canal both ends of core material can be positioned, prevent the first exhalant canal of core material from misplacing, also core material is prevented inwardly to be squeezed and deformed and the second exhalant canal is caused to be blocked, simultaneously as the flexible performance of sprung jaws, core material can not only be positioned, the a little size difference of core material is also accommodated simultaneously, prevents raw water from entering the first exhalant canal of core material, reaches better filter effect.

Description

It is a kind of for positioning the positioning device of filter core

Technical field

It is specifically a kind of for positioning the positioning device of filter core the utility model relates to water purification field.

Background technique

In order to remove the impurity in water, many occasions are both needed to be filtered raw water using to filter core at present.Existing filter Core a great variety, structure is complicated.Filter core generally includes shell and in the intracorporal core material of shell.

During the filtration process, the exhalant canal of core material causes filtered water can not normal stream due to core material inconsistent phenomenon Out, while the size difference of core material also results in raw water and filters without core material and enter exhalant canal, to affect filtering effect Fruit.

Utility model content

The utility model provide it is a kind of for positioning the positioning device of filter core, for solving the problems, such as the positioning of core material.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

It is a kind of for positioning the positioning device of filter core, comprising:

Shell is provided with a fluid channel on the shell；

The inside of the shell is arranged in core material, and the first exhalant canal, the outer wall of the core material are provided in the core material An intake antrum is formed with the inner wall of the shell；

The positioning device to core material positioning is provided in the shell, the positioning device includes core cap and elastic card, core The upper end of material is inserted in the core cap, and the lower end of core material is inserted in the elastic card, and the elastic card is set to the bottom of shell.

Preferably, the core cap includes cylinder and pedestal, and the cylinder is inserted in the fluid channel, and the pedestal is set It sets in the bottom of cylinder, the upper end of core material is inserted in the pedestal, is provided on the core cap and is connected with the first exhalant canal The second exhalant canal, an intake tunnel, the intake tunnel are formed between the outer wall of the core cap and the inner wall of fluid channel It is connected to the intake antrum.

Preferably, it is included on the pedestal

First convex block is arranged in the bottom of pedestal and extends in the first exhalant canal of core material；

First annular burr is arranged in the bottom of pedestal and abuts against with the top surface of core material, the first annular burr ring It is arranged around first convex block.

Preferably, there is pillar, the top surface of the pillar and pedestal abuts against in the shell.

It is further preferred that having side and bottom stage on the elastic card, there is notch and flange on the side, it is described Bottom stage is located at the bottom of side.

It is further preferred that there is the second convex block and the second annular burr on the bottom stage, the described second annular burr ring It is arranged around second convex block, second convex block is inserted in the first exhalant canal of core material, and the described second annular burr supports It is connected to the bottom surface of core material.

It is further preferred that being provided with a first boss in the shell, the elastic card is overlapped in first by flange On boss or it is mounted in first boss.

It is further preferred that the bottom of the shell has the empty slot of a recess.

The beneficial effects of the utility model are: the utility model relates to a kind of for positioning the positioning device of filter core, including Shell, core material and positioning device, are provided with a fluid channel on shell, and core material is arranged in the inside of shell, sets in core material It is equipped with the first exhalant canal, the outer wall of core material and the inner wall of shell form an intake antrum, be provided in shell to core material positioning Positioning device, positioning device include core cap and elastic card, and the upper end of core material is inserted in core cap, and the lower end of core material is inserted in elasticity Card, elastic card are set to the bottom of shell.Technical solution in this way, it is fixed that positioning device has carried out installation to the entirety of core material Position, the first exhalant canal both ends of core material can be positioned, prevent the first exhalant canal of core material from misplacing, also prevent core material to Interior extrusion deformation and cause the second exhalant canal to be blocked, simultaneously as the flexible performance of sprung jaws, not only can to core material into Row positioning, while a little size difference of core material is also accommodated, it prevents raw water from entering the first exhalant canal of core material, reaches more preferable Filter effect.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples:

Fig. 1 is the overall diagram of the utility model；

Fig. 2 is the sectional view of the utility model；

Fig. 3 is the structure chart of core cap；

Fig. 4 is the structure chart of elastic card.

Specific embodiment

As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, the utility model is a kind of for positioning the positioning device of filter core, including Shell 10, core material 20, intake antrum 30, positioning device 40 and check ring 50.

It is provided with a fluid channel 111 on the housing 10, fluid channel 111 can be arranged in the top of shell 10.

Shell 10 includes upper housing 11 and lower case 12, in order to make upper housing 11 be fixed together with lower case 12, upper The first lug boss 112 is extended in the bottom of shell 11, and a limiting groove 121 is provided at the top of lower case 12, by the first protrusion Portion 112 is plugged in limiting groove 121.In addition to this, the side of welding can be passed through in the junction of upper housing 11 and lower case 12 Formula welds together the two, reaches better fixed effect.

The positioning device 40 positioned to core material 20 is provided in shell 10, positioning device 40 includes core cap 41 and elasticity Card 42, the upper end of core material 20 is inserted in core cap 41, and the lower end of core material 20 is inserted in elastic card 42, and elastic card 42 is set to shell 10 Bottom.

Core cap 41 includes cylinder 411 and pedestal 412, and cylinder 411 is inserted in fluid channel 111, and the setting of pedestal 412 exists The bottom of cylinder 411, the upper end of core material 20 are inserted in pedestal 412, are provided on core cap 41 and are connected with the first exhalant canal 21 The second exhalant canal 413, form an intake tunnel between the outer wall of core cap 41 and the inner wall of fluid channel 111.

Core material 20 is arranged in the inside of shell 10, the first exhalant canal 21 is provided in core material 20, the core material 20 The inner wall of outer wall and shell 10 forms an intake antrum 30, and intake tunnel is connected to intake antrum 30.

There is the first convex block 4121 and first annular burr 4122, the first convex block 4121 is arranged in pedestal on pedestal 412 It 412 bottom and extends in the first exhalant canal 21 of core material 20, the bottom of pedestal 412 is arranged in first annular burr 4122 And abutted against with the top surface of core material 20, first annular burr 4122 is arranged around the first convex block 4121, installs to core material 20 Positioning.

There is pillar 113 in shell 10, pillar 113 and the top surface of pedestal 412 abut against, the more preferable position for positioning core material 20 It sets.

The second lug boss 4111 and third protrusion portion 4112 are provided on core cap 41.Second lug boss 4111 is arranged in column On body 411 and it is located at 50 top of check ring, the second lug boss 4111 has first boss 41111 and second boss 41112, the The bottom surface of one boss 41111 is overlapped in the top surface of shell 10, and second boss 41112 is plugged in fluid channel 111.Third protrusion Portion 4112 is arranged on cylinder 411 and is located at below check ring 50, and third protrusion portion 4112 is connected to the interior of fluid channel 111 On wall.Through this structure, so that core material 20 reaches better locating effect.

There is side 421 and bottom stage 422 on elastic card 42, there is notch 4211 and flange 4212, bottom stage on side 421 422 are located at the bottom of side 421, have the second convex block 4221 and the second annular burr 4222, the second annular burr on bottom stage 422 4222 are arranged around the second convex block 4221, and the second convex block 4221 is inserted in the first exhalant canal 21 of core material 20, the second annular Burr 4222 is connected to the bottom surface of core material 20.

A third boss 122 is provided in shell 10, the elastic card 42 is overlapped in third boss by flange 4212 On 122 or it is mounted on third boss 122.Structure can not only position core material 20 in this way, prevent core material 20 First exhalant canal 21 misplaces, and also prevents core material 20 to be inwardly squeezed and deformed and the second exhalant canal 413 is caused to be blocked, also Since elastic card 42 has elastic property, it is tightly attached to the lower end of core material 20, being suitable for a little size difference of core material 20 prevents original Water enters the first exhalant canal 21 of core material 20, reaches better filter effect.

Check ring 50, the side wall of check ring 50 and another side wall of intake tunnel are provided in the one side wall of intake tunnel Between have gap to form a non-return channel.Raw water can enter in shell 10 under the action of intake pressure, into shell 10 Interior raw water can not be flowed out due to losing power from non-return channel.

There is the empty slot 123 of a recess in the bottom of lower case 12, it is heavy that raw water enters impurity that filtering leaves in filter core etc. It forms sediment in empty slot 123.

Working principle of the utility model is: the upper end of core material 20 is inserted in core cap 41, the lower end of core material 20 in shell 10 It is inserted in elastic card 42, the first convex block 4121 of core cap 41 is inserted in the first exhalant canal 21 of core material 20, first annular burr 4122 abut against with 20 top surface of core material, and the second convex block 4221 of elastic card 42 is inserted in the first exhalant canal 21 of core material 20, the Second ring burr 4222 is connected to 20 bottom surface of core material, and it is fixed to carry out the first exhalant canal 21 installation to core material 20 and core material 20 with this Position.

Above-described embodiment is the preferred embodiment of the utility model, and the utility model can also have other embodiments.Ability The technical staff in domain can also make equivalent deformation or replacement without departing from the spirit of the present invention, these equivalent changes Type or replacement are all contained in range set by the claim of this application.

Claims (8)

1. a kind of for positioning the positioning device of filter core, comprising:

Shell (10) is provided with a fluid channel (111) on the shell (10)；

Core material (20), setting are provided with the first exhalant canal (21), institute in the inside of the shell (10), the core material (20) The inner wall of the outer wall and the shell (10) of stating core material (20) forms an intake antrum (30)；

It is characterized by: being provided with the positioning device (40) to core material (20) positioning, the positioning device in the shell (10) It (40) include core cap (41) and elastic card (42), the upper end of core material (20) is inserted in the core cap (41), the lower end of core material (20) It is inserted in the elastic card (42), the elastic card (42) is set to the bottom of shell (10).

2. according to claim 1 a kind of for positioning the positioning device of filter core, it is characterised in that: core cap (41) packet Cylinder (411) and pedestal (412) are included, the cylinder (411) is inserted in the fluid channel (111), and the pedestal (412) sets Set the bottom in cylinder (411), the upper end of core material (20) is inserted in the pedestal (412), be provided on the core cap (41) with The second exhalant canal (413) that first exhalant canal (21) is connected, outer wall and fluid channel (111) of the core cap (41) An intake tunnel is formed between inner wall, the intake tunnel is connected to the intake antrum (30).

3. according to claim 2 a kind of for positioning the positioning device of filter core, it is characterised in that: the pedestal (412) On include

First convex block (4121) is arranged the bottom in pedestal (412) and extends in the first exhalant canal (21) of core material (20)；

First annular burr (4122) is arranged the bottom in pedestal (412) and abuts against with the top surface of core material (20), described first Annular burr (4122) is arranged around first convex block (4121).

4. according to claim 3 a kind of for positioning the positioning device of filter core, it is characterised in that: in the shell (10) With pillar (113), the pillar (113) and the top surface of pedestal (412) are abutted against.

5. according to claim 1 a kind of for positioning the positioning device of filter core, it is characterised in that: the elastic card (42) It is upper that there is side (421) and bottom stage (422), there is notch (4211) and flange (4212), the bottom stage on the side (421) (422) it is located at the bottom of side (421).

6. according to claim 5 a kind of for positioning the positioning device of filter core, it is characterised in that: the bottom stage (422) Upper to have the second convex block (4221) and the second annular burr (4222), the described second annular burr (4222) is convex around described second Block (4221) setting, second convex block (4221) are inserted in the first exhalant canal (21) of core material (20), second ring Shape burr (4222) is connected to the bottom surface of core material (20).

7. according to claim 1 a kind of for positioning the positioning device of filter core, it is characterised in that: in the shell (10) It is provided with a third boss (122), the elastic card (42) is overlapped on third boss (122) or is hung by flange (4212) It is connected on third boss (122).

8. according to claim 7 a kind of for positioning the positioning device of filter core, it is characterised in that: the shell (10) Bottom has the empty slot (123) of a recess.