CN213467118U

CN213467118U - Filter core upper end cover and filter core unit convenient to installation location

Info

Publication number: CN213467118U
Application number: CN202022131059.8U
Authority: CN
Inventors: 徐福勇
Original assignee: Zhuhai Ithair Technology Co ltd
Current assignee: Zhuhai Ithair Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-18
Anticipated expiration: 2030-09-24

Abstract

The utility model provides a filter core upper end cover and filter core unit convenient to installation location, outwards draw at the end cover body and stretch out fixed connection mechanism, be equipped with first spacing claw on the fixed connection mechanism, spacing claw of second and buckle piece, wherein first spacing claw and the spacing claw of second can restrict the filter core upper end cover and do not take place to control the ascending displacement of circumference direction under the mounted state, the buckle piece realizes the buckle connected relation of filter core upper end cover and last casing, make when changing filter core unit, under the unable casing internal structure position's of specifically distinguishing the condition, can find the direction through first spacing claw and the spacing claw of second, it is correct to ensure the direction in circumference, then upwards push away filter core upper end cover, make buckle piece and last casing chucking, prevent that filter core upper end cover from falling downwards, the maintenance efficiency of filter core unit has been improved, the installation time is shortened.

Description

Filter core upper end cover and filter core unit convenient to installation location

Technical Field

The utility model belongs to the technical field of compressed air filters, especially, relate to a filter core upper end cover and filter core unit convenient to installation location.

Background

Conventional compressed air filters generally include an upper housing, a lower housing, and a filter cartridge unit, which is a consumable component and has a certain service life and needs to be replaced periodically, otherwise the air filtering effect is affected. When the filter element unit is replaced, the upper shell and the lower shell need to be disassembled, the filter element unit is required to be prevented from falling down from the upper shell when the filter element unit is disassembled, the filter element unit is convenient to detach from the upper shell, in addition, when a new filter unit is installed, because the upper shell is downward in opening, the upper shell and the fixed connecting part of the filter unit cannot be seen at normal visual angle unless being observed from the head, and blind installation is required to be carried out only through the connecting structure between the filter element unit and the upper shell under the condition that the specific structure position inside the upper shell is not clearly distinguished. However, in the existing compressed air filter, the fixed connection mode between the filter element unit and the upper shell is complex, and no effective positioning component exists, so that the filter element unit is inconvenient to replace, the replacement time of the filter element unit is often long, and the start-stop of the air pump is avoided when the filter element unit is replaced, the air pump is usually replaced when the air pump is kept on, and if the replacement time of the filter element unit is too long, the waste of production resources is caused, and the efficiency is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art existence, provide a filter core upper end cover and filter core unit convenient to installation location, solved the problem of the good maintenance of filter core unit and last casing among the prior art, can directly rely on the location relation of connection between filter core upper end cover and the last casing when the maintenance installation, realize blind dress, improve maintenance efficiency, shorten installation time.

In order to achieve the above object, in a first aspect, the present invention provides a filter element upper end cover convenient for installation and positioning, for being fixed on an upper shell of an air filter, including an end cover body and an air inlet nozzle, the air inlet nozzle is disposed at a top opening of the end cover body, an outer edge of the end cover body extends towards a bottom direction and forms a circular ring-shaped spacing ring, at least two fixed connection mechanisms are disposed on the end cover body, connection ends of the fixed connection mechanisms are fixed on the end cover body, free ends of the fixed connection mechanisms extend towards the outside of the end cover body, the fixed connection mechanisms include a connection base plate, a first spacing claw, a second spacing claw and a buckle block, a first end of the connection base plate is fixed on the end cover body, the first spacing claw, the second spacing claw and the buckle block are respectively fixed on a second end of the connection base plate, the first limiting claw and the second limiting claw are respectively arranged on two sides of the second end of the connecting substrate, and the buckling block is arranged between the first limiting claw and the second limiting claw.

Furthermore, the connecting end of the first limiting claw is fixed to the connecting substrate, the free end of the first limiting claw is provided with a first lower limiting plane and a first side limiting plane, the connecting end of the second limiting claw is fixed to the connecting substrate, the free end of the second limiting claw is provided with a second lower limiting plane and a second side limiting plane, the first lower limiting plane and the second lower limiting plane are used for limiting downward displacement of the upper end cover of the filter element in the installation state, and the first side limiting plane and the second side limiting plane are used for limiting displacement of the upper end cover of the filter element in the installation state in the left-right circumferential direction.

Furthermore, the connecting end of the buckling block is fixed with the connecting base plate, the top of the free end of the buckling block is provided with an upper limiting plane, and the upper limiting plane is used for limiting the upward displacement of the upper end cover of the filter element in the installation state.

Furthermore, the connecting end of the fixed connecting mechanism is arranged at the joint of the end cover body and the limiting ring.

Furthermore, an included angle between the fixed connecting mechanism and the top of the end cover body is an obtuse angle.

Furthermore, the end cover body is further provided with reinforcing plates, the number of the reinforcing plates is the same as that of the fixed connecting mechanisms, the bottom of each reinforcing plate is connected with the top of the end cover body, and two sides of each reinforcing plate are respectively connected with the outer wall of the air inlet nozzle and the connecting base plate.

Further, the number of the fixed connecting mechanisms is two.

Further, the suction nozzle comprises a first air pipe and a second air pipe, an included angle between the central lines of the first air pipe and the second air pipe is an obtuse angle, and the second air pipe is connected to the opening at the top of the end cover body.

Further, the horizontal projection of the inner contour of the first air pipe on the top surface of the end cover body is in an oval shape.

In a second aspect, the utility model also provides a filter core unit, a serial communication port, include as above-mentioned the filter core upper end cover of being convenient for installation location, still include filter core body and filter core lower extreme, the filter core body sets up between filter core upper end cover and the filter core lower extreme.

The utility model has the advantages that:

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a front view of the upper end cover of the filter element provided by the utility model.

Fig. 2 is a top view of the filter element upper end cover provided by the present invention.

Fig. 3 is a left side view of the upper end cover of the filter element provided by the present invention.

Fig. 4 is an overall structure schematic diagram of a filter element upper end cover provided by the present invention.

Fig. 5 is a partial structure enlarged view of a portion a in fig. 2 of the filter element upper end cover provided by the present invention.

Fig. 6 is a schematic view of the overall structure of a filter element unit provided by the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1:

referring to fig. 1 to 4, the embodiment provides a filter element upper end cover 10 convenient to mount and position, the filter element upper end cover 10 is a component of a filter element unit, the filter element unit utilizes the filter element upper end cover 10 to fix the filter element upper end cover with an upper shell of an air filter, the filter element upper end cover 10 includes an end cover body 11 and an air inlet nozzle 12, the air inlet nozzle 12 is disposed at an opening at the top of the end cover body 11, the outer edge of the end cover body 11 extends towards the bottom direction and forms a circular limiting ring 13, the end cover body 11 is provided with at least two fixed connection mechanisms 4, and the filter element upper end cover 10 realizes the limitation and fixation with the upper shell by virtue of the fixed connection mechanisms 4.

The connecting end of the fixed connecting mechanism 4 is fixed on the end cover body 11, the free end of the fixed connecting mechanism 4 extends out of the end cover body 11, wherein the free end of the fixed connecting mechanism 4 can extend out horizontally or outwardly with a certain inclination angle relative to the top surface of the end cover body 11, when a certain angle is formed between the fixed connecting mechanism 4 and the top surface of the end cover body 11, the following description refers to that under the front view angle shown in fig. 1, the connecting point of the fixed connecting mechanism 4 and the end cover body 11 is taken as a circular point, the direction of the fixed connecting mechanism 4 and the end cover body 11 is taken as two sides of the included angle, the included angle sandwiched by the circular point and the two sides is taken as the included angle between the fixed connecting mechanism 4 and the top of the end cover body 11, specifically in this embodiment, the included angle between the fixed connecting mechanism 4 and the top of the end cover body 11, namely, the top surface of the end cover body 11 is stretched in the vertical direction, so that a cylinder is formed, the fixed connecting mechanism 4 is arranged outside the side cylinder, and under the obtuse-angle connection relationship, the connection and fixing strength between the fixed connecting mechanism 4 and the end cover body 11 is better, and the installation is convenient.

More specifically, the fixed connection mechanism 4 includes a connection substrate 40, a first position-limiting claw 41, a second position-limiting claw 42 and a buckling block 43, a first end of the connection substrate 40 is fixed on the end cover body 11, the first end of the connection substrate 40 is disposed at the junction of the end cover body 11 and the position-limiting ring 13, the first position-limiting claw 41, the second position-limiting claw 42 and the buckling block 43 are respectively fixed at a second end of the connection substrate 40, wherein the first position-limiting claw 41 and the second position-limiting claw 42 are respectively disposed at two sides of a second end of the connection substrate 40, the buckling block 43 is disposed between the first position-limiting claw 41 and the second position-limiting claw 42, and in a top view as shown in fig. 2, in an extending direction of a free end of the fixed connection mechanism 4, the first position-limiting claw 41 and the second position-limiting claw 42 are more protruded than the buckling block 43, so that a positioning groove is present between the first position-limiting claw 41 and the second position-limiting claw 42 corresponding to the, this constant head tank is fixed a position with the location sand grip on the shells inner wall promptly, fix a position the constant head tank of fixed connection mechanism 4 and the location sand grip on last shells inner wall, when the cooperation is to suitable position, filter core upper end cover 10 can't carry out the rotation of circumferential direction promptly, can only reciprocate along the direction of location sand grip, when seeing clearly the concrete constructional position of last casing, can realize the good location of filter core upper end cover 10 through the relation of this constant head tank and location sand grip, additionally, when moving filter core upper end cover 10 to suitable position, buckle piece 43 cooperates with the draw-in groove of establishing on the location sand grip promptly, take place after the lock relation, natural state lower filter core upper end cover 10 can't follow the casing and fall off, the people hand can loosen and continue to install down the casing, high durability and convenient installation, high efficiency.

Referring to fig. 3 and 5, as a preferred mode, the connection end of the first position-limiting claw 41 is fixed to the connection base plate 40, the free end of the first position-limiting claw 41 is provided with a first lower position-limiting plane 411 and a first side position-limiting plane 412, the connection end of the second position-limiting claw 42 is fixed to the connection base plate 40, the free end of the second position-limiting claw 42 is provided with a second lower position-limiting plane 421 and a second side position-limiting plane 422, the first lower position-limiting plane 411 and the second lower position-limiting plane 421 are used for limiting the downward displacement of the filter element upper cover 10 in the installation state, after the upper housing and the lower housing of the air filter are fixed, since the upper housing and the lower housing need to be kept in this state for a long time, the clamping block 43 of the filter element upper cover 10 needs to share part of the stress, in this state, the first lower position-limiting plane 411 and the second lower position-limiting plane 421 are lapped on the upper, the lower shell supports against the upper end cover 10 of the filter element at the lower part, and shares part of stress for the upper end cover 10 of the filter element; additionally, the first side limiting plane 412 and the second side limiting plane 422 are opposite to each other, and the opposite space is the position of the positioning protruding strip of the upper housing of the filter, and the first side limiting plane 412 and the second side limiting plane 422 effectively limit the displacement between the upper end cap 10 of the filter element and the upper housing in the left-right circumferential direction.

In addition, the connecting end of the buckling block 43 is fixed to the connecting base plate 40, the top of the free end of the buckling block 43 is provided with an upper limiting plane 431, the upper limiting plane 431 is used for limiting upward displacement of the upper end cover 10 of the filter element in the installation state, and in order to determine the stroke problem of the upper end cover 10 of the filter element in the upward pushing and fixing process and avoid excessive pushing, the top of the free end of the buckling block 43 is provided with the upper limiting plane 431, after the buckling block 43 is clamped in place with the clamping groove on the positioning convex strip, when the upper end cover 10 of the filter element is pushed upward again, the upper limiting plane 431 can push against the clamping groove, and the upper end cover 10 of the filter element is.

In this embodiment, the end cap body 11 is further provided with the reinforcing plate 44, the number of the reinforcing plates 44 is the same as that of the fixed connecting mechanisms 4, the bottom of the reinforcing plate 44 is connected to the top of the end cap body 11, two sides of the reinforcing plate 44 are respectively connected to the outer wall of the air inlet nozzle 12 and the connecting base plate 40, in an obverse view, the projection of the reinforcing plate 44 is in a trapezoidal shape, the upper side and the lower side are parallel to each other, the lower side is a connecting line between the bottom of the reinforcing plate 44 and the top of the end cap body 11, the side near the middle is a connecting line between the reinforcing plate 44 and the air inlet nozzle 12, the side near the outer side is a connecting line between the reinforcing plate 44 and the connecting base plate 40, and the overall strength of the filter element upper.

Preferably, the number of fixed connection means 4 is two, although the same effect can be achieved with three and four fixed connection means 4.

In this embodiment, the air nozzle 12 includes a first air pipe 121 and a second air pipe 122, an included angle between central lines of the first air pipe 121 and the second air pipe 122 is an obtuse angle, the second air pipe 122 is connected to the top opening of the end cover body 11, and a horizontal projection of an inner contour of the first air pipe 121 on the top surface of the end cover body 11 is an elliptical shape, according to characteristics of the elliptical shape, when the first air pipe 121 is inserted into the air duct of the upper housing, a circumferential displacement cannot be generated; in addition, at least two convex rings are arranged on the outer surface of the first air pipe 121, the outer edge of each convex ring is in an oval shape, a groove is formed between every two convex rings, the groove is used for placing a sealing rubber ring, sealing between the first air pipe 121 and the air pipe of the upper shell is guaranteed, and air leakage is prevented.

Example 2:

referring to fig. 6, the present embodiment provides a filter element unit, including the filter element upper end cap 10 convenient for installation and positioning in embodiment 1, further including a filter element body 20 and a filter element lower end cap 30, the filter element body 20 is disposed between the filter element upper end cap 10 and the filter element lower end cap 30, the filter element unit having the filter element upper end cap 10 can be better positioned and installed, maintenance and replacement are convenient, and installation time is shortened.

Compared with the prior art, the utility model provides a filter element upper end cover 10 and filter element unit convenient for installation and positioning, a fixed connecting mechanism 4 is extended outwards from an end cover body 11, a first limiting claw 41, a second limiting claw 42 and a buckling block 43 are arranged on the fixed connecting mechanism 4, wherein, the first limiting claw 41 and the second limiting claw 42 can limit the filter element upper end cover 10 to not generate displacement in the left and right circumferential directions under the installation state, the buckling block 43 realizes the buckling connection relation of the filter element upper end cover 10 and an upper shell, when the filter element unit is replaced, under the condition that the internal structure position of the upper shell cannot be clearly distinguished, the direction can be found through the first limiting claw 41 and the second limiting claw 42, the direction is ensured to be correct in the circumferential direction, then the filter element upper end cover 10 is pushed upwards, the buckling block 43 is tightly clamped with the upper shell, the filter element upper end cover 10 is prevented from falling downwards, the maintenance efficiency of filter core unit has been improved, the installation time is shortened.

Finally, it should be emphasized that the present invention is not limited to the above-described embodiments, but only to the preferred embodiments of the invention, and is not limited to the embodiments, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims

1. A filter element upper end cover convenient to install and position is used for being fixed on an upper shell of an air filter and is characterized by comprising an end cover body and an air inlet nozzle, wherein the air inlet nozzle is arranged at the opening at the top of the end cover body, the outer edge of the end cover body extends towards the bottom direction and forms a circular limiting ring, at least two fixed connection mechanisms are arranged on the end cover body, the connecting ends of the fixed connection mechanisms are fixed on the end cover body, the free ends of the fixed connection mechanisms extend towards the outside of the end cover body, each fixed connection mechanism comprises a connection base plate, a first limiting claw, a second limiting claw and a buckle block, the first end of the connection base plate is fixed on the end cover body, the first limiting claw, the second limiting claw and the buckle block are respectively fixed at the second end of the connection base plate, the first limiting claw and the second limiting claw are respectively arranged at two sides of the second end of the connection base plate, the buckle block is arranged between the first limiting claw and the second limiting claw.

2. The upper end cover of filter element convenient for installation and positioning as claimed in claim 1, wherein the connecting end of the first limiting claw is fixed with the connecting base plate, the free end of the first limiting claw is provided with a first lower limiting plane and a first side limiting plane, the connecting end of the second limiting claw is fixed with the connecting base plate, the free end of the second limiting claw is provided with a second lower limiting plane and a second side limiting plane, the first lower limiting plane and the second lower limiting plane are used for limiting the downward displacement of the upper end cover of filter element in the installation state, and the first side limiting plane and the second side limiting plane are used for limiting the left and right circumferential displacement of the upper end cover of filter element in the installation state.

3. The filter element upper end cover convenient to install and position as claimed in claim 2, wherein the connecting end of the buckling block is fixed with the connecting base plate, an upper limiting plane is arranged at the top of the free end of the buckling block, and the upper limiting plane is used for limiting the upward displacement of the filter element upper end cover in an installation state.

4. The filter element upper end cover convenient for installation and positioning as claimed in claim 3, wherein the connecting end of the fixed connecting mechanism is arranged at the joint of the end cover body and the limiting ring.

5. The filter cartridge upper end cover convenient to install and position as claimed in claim 4, wherein an included angle between the fixed connecting mechanism and the top of the end cover body is an obtuse angle.

6. The filter element upper end cover convenient to install and position as claimed in claim 5, wherein the end cover body is further provided with reinforcing plates, the number of the reinforcing plates is the same as that of the fixed connecting mechanisms, the bottom of each reinforcing plate is connected with the top of the end cover body, and two sides of each reinforcing plate are respectively connected with the outer wall of the air inlet nozzle and the connecting base plate.

7. An easily installed and positioned filter cartridge upper end cap according to any one of claims 1 to 6, wherein the number of said fixed connection means is two.

8. The filter element upper end cover convenient to install and position as claimed in claim 7, wherein the air inlet nozzle comprises a first air pipe and a second air pipe, an included angle between central lines of the first air pipe and the second air pipe is an obtuse angle, and the second air pipe is connected to the top opening of the end cover body.

9. The filter cartridge upper end cap for easy installation and positioning of claim 8, wherein the inner contour of the first air tube has an elliptical shape in horizontal projection on the top surface of the end cap body.

10. A filter element unit, comprising a filter element upper end cap for easy installation and positioning as claimed in any one of claims 1 to 9, and further comprising a filter element body and a filter element lower end cap, wherein the filter element body is disposed between the filter element upper end cap and the filter element lower end cap.