CN204233895U - A kind of filter cartridge construction - Google Patents

Abstract

The utility model discloses a filter element structure, which comprises a filter element frame and a filter element installed in the filter element frame, the filter element frame includes a top plate, a bottom plate and two side plates connected between the top plate and the bottom plate, The top board, the bottom board and the two side boards enclose an installation space, and the filter element is installed in the installation space; the top board extends outwards with matching ends, and the top board, the bottom board and the outer sides of the two side panels are provided with flexible fixing strips; each of the side panels is provided with a breakable connection part that can be broken, and each of the side panels includes a front part of the side panel and a rear part of the side panel , the front part of the side panel and the rear part of the side panel are connected together through the breakable connection part. Its structure is simple, it is easy to bend or break the filter element frame, and it is convenient for transportation.

Description

A filter element structure

technical field

The utility model relates to the technical field of filter elements, in particular to a filter element structure.

Background technique

The filter element is an element used to filter the air, which is mainly installed in the car to purify the air entering the car body.

Due to the design of various car models, the filter elements are installed in cooperation with different types of filter element assemblies. Sometimes in order to adapt to a special filter element assembly, it is necessary to break off the side edges on both sides of the filter element after the filter element is installed in the filter element assembly to complete the fit with the filter element assembly.

In the filter element structure in the prior art, in order to meet the hardness requirements of the filter element frame, the filter element frame is completely made of hard materials, and it is impossible or difficult to break the above filter element structure to complete the fit, and cannot meet special requirements.

After the filter element is manufactured, it needs to be transported. In the existing filter element structure, a layer of foam is generally arranged outside the filter element frame to fasten the filter element frame. However, during transportation, this layer of foam is easy to fall off, and after reaching the destination, it needs to be reprocessed, which increases the cost.

If the above-mentioned foam is set as a hard material, it cannot meet the requirement of bending or breaking the filter element frame.

Utility model content

The purpose of the utility model is to overcome the defects in the prior art and provide a filter element structure with simple structure, easy to bend or break the filter element frame, and convenient for transportation.

The technical solution of the utility model provides a filter element structure, which includes a filter element frame and a filter element installed in the filter element frame, and the filter element frame includes a top plate, a bottom plate and two side plates connected between the top plate and the bottom plate , the top plate, the bottom plate and the two side plates enclose an installation space, the filter element is installed in the installation space; the top plate extends outwards with a matching end, the top plate, the The outer sides of the base plate and the two side plates are provided with flexible fixing strips; each of the side plates is provided with a breakable connection part that can be broken, and each of the side plates includes a front portion of the side plate and a rear portion of the side plate part, the front part of the side panel and the rear part of the side panel are connected together through the breakable connection part.

Further, the width of the breakable connection part is smaller than the width of the side panel, and the length of the front part of the side panel is equal to the length of the rear part of the side panel.

Further, the breakable connection part includes a first connection terminal provided on the front part of the side plate and a second connection terminal provided on the rear part of the side plate; the first connection terminal is provided There is a first serrated surface, the second connection end is provided with a second serrated surface for matching with the first serrated surface, and the first serrated surface and the second serrated surface are detachably fitted together .

Further, the breakable connection part includes a hemispherical concave connection part formed on the front part of the side plate and a connection terminal provided on the rear part of the side plate, and the end part of the connection terminal is provided with A hemispherical connection head matched with the hemispherical concave connection part, the hemispherical connection head fits in the hemispherical concave connection part.

Further, a breakable support rod is connected between the front part of the side plate and the rear part of the side plate, and the breakable support rod is located outside the breakable connection part.

Further, the four flexible fixing strips arranged on the top board, the bottom board and the two side boards are sequentially connected, and the four flexible fixing strips are integrally arranged on the outer periphery of the filter element frame.

Further, the flexible fixing strip is a plastic strip.

Further, the filter element includes wave-shaped filter paper and flexible filter paper fixing plates fixed on both sides of the filter paper, and the two side edges of the wave-shaped filter paper on the filter paper are fixedly connected to the two On the flexible filter paper fixing plate, the front edge of the filter paper is connected to the top plate, and the rear edge of the filter paper is connected to the bottom plate.

Further, a wavy groove is arranged on the flexible filter paper fixing plate, and the side edges of the wavy filter paper are fixedly connected in the wavy groove.

Further, buckles are provided on the side plates, and the upper part of the flexible filter paper fixing plate is engaged in the buckles.

Adopt above-mentioned technical scheme, have following beneficial effect:

By providing a breakable connection on the side plate, the filter element frame can be snapped off to cooperate with the filter element assembly when the installation is completed. And there are flexible fixing strips on the outer sides of the top plate, bottom plate and two side plates, on the one hand, it is beneficial to fix the filter element frame, which is convenient for transportation and will not fall off; on the other hand, the flexible fixing strip can also be bent together with the breakable connection part , which is beneficial to cooperate with the filter element assembly.

Therefore, the utility model provides a filter element structure, which is simple in structure, easy to bend or break the filter element frame, and convenient for transportation.

Description of drawings

Fig. 1 is the schematic diagram of a kind of filter core structure provided by the utility model;

Fig. 2 is a structural schematic diagram of removing the filter element from the filter element structure shown in Fig. 1;

Fig. 3 is a schematic structural view of the filter element frame shown in Fig. 1;

Fig. 4 is a schematic diagram of a side plate provided with a breakable connection;

Fig. 5 is an enlarged schematic diagram of the breakable connection shown in Fig. 4;

Fig. 6 is a schematic diagram of another kind of breakable connection part provided on the side plate;

Fig. 7 is a schematic structural view of the filter element shown in Fig. 1;

Fig. 8 is the sectional view of filter paper;

Fig. 9 is a structural schematic diagram of a flexible filter paper fixing plate provided with wavy grooves;

Fig. 10 is a schematic diagram of a buckle provided on a side plate.

Reference sign comparison table:

1-filter element frame; 11-top plate; 12-bottom plate;

13-side panel; 131-side panel front; 132-side panel rear;

133-buckle; 14-installation space; 2-filter element;

21-filter paper; 211-front end fold; 212-rear end fold;

213-filter paper side; 22-flexible filter paper fixing plate; 221-wavy groove;

3-breakable connection part; 31-first connection terminal; 32-second connection terminal;

33-the first serrated surface; 34-the second serrated surface; 35-connection terminal;

36-hemispherical concave connection; 37-hemispherical connector; 4-flexible fixing strip;

5-Mating end; 6-Breakable support rod.

Detailed ways

The specific embodiment of the utility model will be further described below in conjunction with the accompanying drawings. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer ” refer to directions towards or away from the geometric center of a particular part, respectively.

As shown in FIGS. 1-3 , a filter element structure provided by the present invention includes a filter element frame 1 and a filter element 2 installed in the filter element frame 1 .

The filter element frame 1 includes a top plate 11 , a bottom plate 12 and two side plates 13 connected between the top plate 11 and the bottom plate 12 . Wherein, the top plate 11 , the bottom plate 12 and two side plates 13 enclose an installation space 14 , and the filter element 2 is installed in the installation space 14 .

A matching end portion 5 extends outward from the top plate 11 , and flexible fixing strips 4 are provided on the outer sides of the top plate 11 , the bottom plate 12 and the two side plates 13 .

Each side plate 13 is provided with a breakable connecting portion 3 that can be broken off, and each side plate 13 includes a side plate front portion 131 and a side plate rear portion 132, and the side plate front portion 131 and the side plate rear portion 132 are connected through a breakable connection. Part 3 is connected together.

That is, the filter element structure includes a filter element frame 1 and a filter element 2 , and the filter element 2 is installed in the filter element frame 1 . The filter element frame 1 is composed of a top plate 11 , a bottom plate 12 and two side plates 13 , and the two side plates 13 are connected between the top plate 11 and the bottom plate 12 . Wherein, the top plate 11 , the bottom plate 12 and two side plates 13 enclose an installation space 14 , and the filter element 2 is installed in the installation space 14 for filtering passing air. On the top plate 11, a matching end portion 5 is extended outwards, which is used for installing and matching with the filter element assembly.

In order to improve the structural strength of the filter element frame 1 and prevent the filter element frame 1 from falling apart or falling off during transportation, flexible fixing strips 4 are arranged on the outer sides of the top plate 11, the bottom plate 12 and the two side plates 13, which are directly formed on the top plate 11, the bottom plate 12 and the two side plates 13 The outer side of the filter element frame 1. Since the flexible fixing strip 4 is flexible, that is, it can be bent, on the one hand, the structural strength of the filter element frame 1 is improved; It is beneficial for the filter element to cooperate with the filter element assembly.

In order to bend the filter element frame 1 conveniently and cooperate with the designated filter element assembly, a breakable connection part 3 is provided on each side plate 13, and the breakable connection part 3 can be broken under the action of external force, so that the filter element The frame 1 can be bent or broken by using the breakable connecting portion 3 on the two side plates 13 as a designated point, so as to meet the designated bending fit requirements.

Each side plate 13 includes a side plate front portion 131 and a side plate rear portion 132 , and the side plate front portion 131 and the side plate rear portion 132 are connected together by a breakable connection portion 3 . When the breakable connection part 3 is broken or bent, a certain angle is formed between the front part 131 of the side plate and the rear part 132 of the side plate, thereby driving the filter element 2 to also bend, so that the filter element can cooperate with the specified bent filter element assembly .

The flexible fixing strip 4 is a flexible fixing strip that can be bent under the action of external force. It can be a rubber strip, a plastic strip, etc. Preferably, the flexible fixing strip 4 is a plastic strip, which has strong toughness, light weight, and can be bent, but it is not easy to break, which is beneficial to protect the filter element frame 1 and make the filter element frame 1 in the transportation It is not easy to fall off during the process.

The breakable connection part 3 is a connection part that can be disconnected or broken under the action of external force, and it can use two components for flexible connection or fixed connection, as long as it can be disconnected or broken.

Therefore, the utility model provides a filter element structure, which is simple in structure, convenient for transportation, easy to bend or break the filter element frame, cooperates with the filter element assembly, improves the airtightness of the cooperation, and meets special requirements.

Preferably, as shown in FIG. 3 , the width of the breakable connection portion 3 is smaller than that of the side panel 13 , and the length of the front portion 131 of the side panel is equal to the length of the rear portion 132 of the side panel. The width of the breakable connection part 3 is set to be smaller than the width of the side plate 13, which is beneficial to break the breakable connection part 3 only by applying a small force when it needs to be broken. And the breakable connecting portion 3 is arranged in the middle of the side plate 13, that is, the length of the front portion 131 of the side plate is equal to the length of the rear portion 132 of the side plate, so that the side plates 13 on both sides are bent or broken at the same position, To match with the filter element assembly.

The breakable connection part 3 of the first structure:

Preferably, as shown in FIGS. 4-5 , the breakable connection part 3 includes a first connection terminal 31 provided on the front part 131 of the side panel and a second connection terminal 32 provided on the rear part 132 of the side panel.

The first connecting end 31 is provided with a first serrated surface 33, the second connecting end 32 is provided with a second serrated surface 34 for matching with the first serrated surface 33, the first serrated surface 33 and the second serrated surface 34 fit together detachably.

By setting the first serrated surface 33 on the first connection terminal 31 and the second serrated surface 34 on the second connection terminal 32, the first serrated surface 33 and the second serrated surface 34 are detachably matched. Together, when there is no need to bend, the cooperation of the serrated surface can improve the stability of the connection, so that the first connection end 31 and the second connection end 32 are tightly fitted together; when it needs to be broken, the first connection The serrated surface 33 is separated from the second serrated surface 34 , thereby separating the first connecting end 31 and the second connecting end 32 for easy operation.

The breakable connection part 3 of the second structure:

Preferably, as shown in FIG. 6 , the breakable connecting portion 3 includes a hemispherical recessed connecting portion 36 formed in a depression on the front portion 131 of the side plate and a connecting terminal 35 arranged on the rear portion 132 of the side plate. The connecting terminal 35 A hemispherical connection head 37 matching the hemispherical concave connection portion 36 is provided at the end of the hemispherical concave connection portion 36 , and the hemispherical connection head 37 fits in the hemispherical concave connection portion 36 .

By recessing the hemispherical concave connection part 36 formed on the side plate front part 131, a hemispherical connection head 37 is set at the end of the connection terminal 35, and the hemispherical connection head 37 is matched with the hemispherical concave connection part 36. When the side plate 13 is broken off, the hemispherical joint 37 slides or rotates in the hemispherical concave connection portion 36, which reduces the frictional force between the two, and only needs a small force to connect the side plate front 131 and The rear portion 132 of the side plate is bent or disconnected for easy operation.

Preferably, as shown in FIG. 4 and FIG. 6 , a breakable support rod 6 that can be broken is also connected between the front part 131 of the side plate and the rear part 132 of the side plate, and the breakable support rod 6 is located outside the breakable connection part 3 . The connection strength between the front part 131 of the side panel and the rear part 132 of the side panel is further improved by setting the breakable support rod 6 , so as to avoid bending or breaking between the front part 131 of the side panel and the rear part 132 of the side panel during transportation.

Preferably, as shown in FIG. 1 , the four flexible fixing bars 4 arranged on the top plate 11 , the bottom plate 12 and the two side plates 13 are sequentially connected, and the four flexible fixing bars 4 are integrally arranged on the outer periphery of the filter element frame 1 . The four flexible fixing strips 4 are connected in sequence and formed into one body, and are integrally arranged on the outer periphery of the filter element frame 1, which improves the combined strength of the four flexible fixing strips 4, and can better tighten the filter element frame and avoid transportation On the way, the filter element frame fell off.

Preferably, as shown in FIGS. 7-8 , the filter element 2 includes filter paper 21 arranged in a wave shape and flexible filter paper fixing plates 22 fixed on both sides of the filter paper 21 .

Two filter paper side edges 223 arranged in a wave shape on the filter paper 21 are respectively fixedly connected to two flexible filter paper fixing plates 22, the front end fold 211 of the filter paper 21 is connected to the top plate 11, and the rear end fold 212 of the filter paper 21 is connected to the On the base plate 12.

The filter paper 21 is arranged in a wave shape. On the one hand, it can improve the contact surface with the air. On the other hand, it is connected to the top plate 11 through the front end fold 211, and connected to the bottom plate 12 through the rear end fold 212, which is beneficial to filter element frame. 1 When bending, the filter element 21 can also be bent to complete a tight fit with the filter element assembly.

The two filter paper sides 223 are respectively fixedly connected to the two flexible filter paper fixing plates 22. The flexible filter paper fixing plates 22 have toughness and can be bent as required. Therefore, when the filter element frame 1 is bent, the flexible filter paper fixing plates 22 Bending is performed accordingly, and the filter element 21 is driven to be bent so as to closely match with the filter element assembly.

The flexible filter paper fixing plate 22 is a flexible fixing plate that can be bent under the action of external force.

Preferably, as shown in FIG. 9, a wave-shaped groove 221 is arranged on the flexible filter paper fixing plate 22, and the filter paper side edge 213 arranged in a wave shape is fixedly connected in the wave-shaped groove 221 to improve the connection between the two. stability.

Preferably, as shown in FIG. 10 , a buckle 133 is provided on the side plate 13, and the upper part of the flexible filter paper fixing plate 22 is engaged in the buckle 133, so that the flexible filter paper fixing plate 22 is firmly connected to the side plate 13, This prevents the filter element 2 from shifting during transportation or installation, and improves the stability of the structure and the airtightness of the fit.

In summary, the filter element structure provided by the utility model has a simple structure, stable connection, and is convenient for transportation, and can be bent or broken according to needs to cooperate with a specified filter element assembly, which meets the requirements of different filter element assemblies. Cooperate with ordinary filter element assembly, and also can cooperate with filter element assembly that needs to be bent to meet various needs.

According to needs, the above technical solutions can be combined to achieve the best technical effect.

What has been described above is only the principle and preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, several other modifications can be made on the basis of the principle of the utility model, which should also be regarded as the protection scope of the utility model.

Claims (10)

1. a filter cartridge construction, is characterized in that, comprises filter element frame and is arranged on the filter core in described filter element frame,

Described filter element frame comprises top board, base plate and is connected to two blocks of side plates between described top board and described base plate, and described top board, described base plate and two blocks of described side plates surround an installing space, and described filter core is arranged in described installing space;

Described top board is outward extended with cooperative end part, and the outside of described top board, described base plate and two blocks of described side plates is provided with flexible fixed strip;

Side plate described in every block is provided with can fracture can connection breaking portion, side plate described in every block all comprises the anterior and side plate rear portion of side plate, and described side plate front portion and described side plate rear portion can be linked together in connection breaking portion by described.

2. a kind of filter cartridge construction according to claim 1, is characterized in that, describedly the width in connection breaking portion can be less than the width of described side plate, and the length at the length of described side plate front portion and described side plate rear portion is equal.

3. a kind of filter cartridge construction according to claim 2, is characterized in that, describedly can comprise the second connection end being arranged on the first connection end on described side plate front portion and being arranged on described side plate rear portion in connection breaking portion;

Described first connection end being provided with the first serrated face, described second connection end being provided with the second serrated face for coordinating with described first serrated face, described first serrated face and described second serrated face are combined together separably.

4. a kind of filter cartridge construction according to claim 2, it is characterized in that, describedly can be included in hemispherical depression connecting portion that described side plate front portion is recessed to form and to be arranged on the connection end on described side plate rear portion in connection breaking portion, the end of described connection end is provided with the hemispherical connector matched with described hemispherical depression connecting portion, and described hemispherical connector is engaged in described hemispherical depression connecting portion.

5. a kind of filter cartridge construction according to claim arbitrary in claim 2-4, it is characterized in that, described side plate is also connected with the broken support bar that can fracture between anterior and described side plate rear portion, the described support bar that breaks be positioned at described can the outside in connection breaking portion.

6. a kind of filter cartridge construction according to claim 1, it is characterized in that, be arranged on described top board, described base plate is connected successively with the described flexible fixed strip of four on two blocks of described side plates, four described flexible fixed strips are wholely set on the periphery of described filter element frame.

7. a kind of filter cartridge construction according to claim 1 or 6, is characterized in that, described flexible fixed strip is plastic strip.

8. a kind of filter cartridge construction according to claim 1, is characterized in that, described filter core comprises the filter paper that undulate is arranged and the flexible filter paper fixed head of both sides being fixed on described filter paper,

Two filter paper sides that on described filter paper, undulate is arranged are fixedly connected on two pieces of described flexible filter paper fixed heads respectively, and the front end flanging of described filter paper is connected on described top board, and the rear end flanging of described filter paper is connected on described base plate.

9. a kind of filter cartridge construction according to claim 8, is characterized in that, described flexible filter paper fixed head is provided with wave shape groove, and the filter paper side that described undulate is arranged is fixedly connected in described wave shape groove.

10. a kind of filter cartridge construction according to claim 8 or claim 9, it is characterized in that, described side plate is provided with buckle, the top of described flexible filter paper fixed head is fastened in described buckle.