Filter installation self-tightening structure

Abstract

The utility model discloses a filter installation self-tightening structure which comprises an installation support, at least one filter installation position is arranged on the installation support, a fixing clamping piece is arranged on the installation support and located on one side of the filter installation position, the fixing clamping piece is in an L shape, and a fixing portion of the fixing clamping piece is perpendicular to the installation support. A transverse baffle block of the fixed clamping piece extends towards the filter mounting position, the inner side surface of the transverse baffle block is an inclined surface, and the fixed part inclines towards the tail end of the transverse baffle block in the direction far away from the filter mounting position; a movable pressing piece and a fastener are further included, the movable pressing piece is provided with a sleeve part and a pressing plate part, the side wall, facing the filter installation position, of the sleeve part is an inclined face, a stud is fixedly arranged on the side, opposite to the fixed clamping piece, of the installation support, and the movable pressing piece is connected with the stud through the fastener. When the filter is installed, only the movable pressing piece needs to be installed, the movable pressing piece can extrude the filter to the fixed clamping piece, meanwhile, the self-tightening effect that the filter extrudes the sealing strip is achieved under the guide of the inclined face of the fixed clamping piece, and installation can be completed by one person.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter equipment technical field, concretely relates to a filter installation self-tightening structure. BACKGROUND

[0002] Air filter is a kind of air filter equipment in clean system. Filter is usually installed in mounting frame. Filter outer frame (contact surface with mounting frame) is pasted with sealing strip when leaving factory, and material is generally foam or rubber. In order to make filter effect reach best, filter must be pressed when installing, let sealing strip extrude deformation, completely eliminate the contact gap of filter and mounting frame, to prevent the air from the gap on the dirty side into the clean side. In prior art, filter is usually pressed by using clip and nut, as shown in Fig. 1 and Fig. 2, clip B located at the edge of mounting frame A is generally L-shaped bending sheet metal parts, mounting frame A is fixedly connected with stud C, L-shaped clip B passes through stud C and abuts against mounting support A at one end, and abuts against filter D at the other end, nut E is screwed on stud C, and filter D is pressed by rotating nut E to make sealing strip G on filter D closely contact with mounting frame A. Stud is arranged in the middle of mounting frame A, which is used for connecting pressing plate F, and pressing plate F is generally sheet-shaped, and pressing plate F is pressed and fixed by passing through stud through nut. When installing filter, two installers are needed to operate, one person holds filter by hand first, and then the other person installs clip or pressing plate and nut, and the operation is relatively cumbersome, and if the operation is carried out in narrow space, the operation will be extremely difficult. Figure 1 、 Figure 2 UTILITY MODEL CONTENTS

[0003] In order to solve the above problems in prior art, the utility model provides a filter installation self-tightening structure, improves filter installation efficiency, reduces the number of installers, and solves the problem of great difficulty in installing filter in narrow space.

[0004] In order to achieve the above technical purposes, the utility model adopts the technical scheme that:

[0005] ​A self-tightening structure for filter installation, comprising an installation bracket, on which there is at least one filter installation position; on the installation bracket, there are at least one fixing clip on one side of the filter installation position, the fixing clip is in an "L" shape, the fixing part of the fixing clip is perpendicular to the installation bracket, the transverse stop of the fixing clip extends towards the filter installation position, and the inner side surface of the transverse stop of the fixing clip is an inclined surface, which is inclined away from the filter installation position from the fixing part towards the end of the transverse stop; it also includes a movable pressing part and a fastener, the movable pressing part is provided with a sleeve part and a pressing plate part, the outer dimension of the sleeve part is smaller than the outer dimension of the pressing plate part, the side wall of the sleeve part facing the filter installation position is an inclined surface, and a through hole penetrating the pressing plate part and the sleeve part is opened on the movable pressing part, and a stud is fixedly arranged on the installation bracket on the opposite side of the fixing clip, and the movable pressing part is connected to the stud through the fastener.

[0006] As a preferred technical solution, there are two fixing clips, and the two fixing clips are respectively arranged at the upper and lower corners on the same side of the filter installation position.

[0007] As a preferred technical solution, the fastener is a nut, and the movable pressing part is sleeved on the stud.

[0008] As a preferred technical solution, the nut is a knurled high nut.

[0009] As a preferred technical solution, there are at least one filter installation unit on the installation bracket, one filter installation unit includes two filter installation positions arranged side by side, the fixing clips are arranged on both sides in the length direction of the filter installation unit, the fixing clips on both sides are arranged facing each other, the stud is arranged in the middle of the filter installation unit, and the movable pressing part located between the two filters can push the filters on both sides away simultaneously.

[0010] As a preferred technical solution, there are two filter installation units on the installation bracket, the filter installation positions are arranged in a "field" shape, and there is also a stud at the center position of the two filter installation units on the installation bracket, and the movable pressing part located at the center of the two filter installation units can push the four filters away simultaneously towards both sides.

[0011] As a preferred technical solution, the sleeve part of the movable pressing part is in a square cone shape.

[0012] As a preferred technical solution, a support plate is fixedly arranged on the installation bracket corresponding to the lower part of the filter installation position.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] The filter mounting self-tightening structure of the utility model, use the fixed clamping piece with the inner side setting the inclined plane to replace the traditional clamping piece, the fixed clamping piece is fixedly arranged on the mounting support, when installing, can be clamped into the fixed clamping piece on one side of the filter to realize the pre-fixing, then through the fastener to compress the movable pressing piece, the movable pressing piece compresses the filter, and its inclined plane further extrudes the filter along the inclined plane inside the fixed clamping piece to the inside of the fixed clamping piece, under the guidance of the inclined plane of the fixed clamping piece, the filter is pressed against the mounting support and extrudes the sealing strip, realizes the self-tightening effect of the filter.

[0015] The filter mounting self-tightening structure of the utility model, through setting up the filter mounting unit, sets up the fixed clamping piece of two filter mounting positions towards each other, sets up the movable pressing piece in the middle, can press the filter on both sides tightly at the same time through one movable pressing piece, further saves the filter mounting parts, reduces the installation workload, realizes the quick installation.

[0016] The filter mounting self-tightening structure of the utility model, further sets up the supporting plate under the filter mounting position, can avoid the situation that the filter position moves down or slides in the installation process, leading to the installation not in place. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 It is the filter mounting three-dimensional structure schematic view in the prior art;

[0019] Figure 2 It is Figure 1 the top view of

[0020] Figure 3 It is the three-dimensional structure schematic view of the utility model embodiment;

[0021] Figure 4 It is the partial front view of the utility model embodiment;

[0022] Figure 5 It is the structure schematic view of the movable pressing piece.

[0023] Reference signs: 1 - mounting bracket, 2 - fixed clamping piece, 3 - movable pressing piece, 31 - sleeve part, 32 - pressing plate part, 4 - fastener, 5 - stud, 6 - filter, 7 - support plate, 8 - sealing strip. DETAILED DESCRIPTION

[0024] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the following will be combined with the drawings in the embodiments of the present application to make a clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0025] A filter mounting self-tightening structure, as shown in Figure 3 , Figure 4 , comprises a mounting bracket 1, at least one filter mounting position is arranged on the mounting bracket 1, at least one fixed clamping piece 2 is arranged on one side of the mounting bracket 1 at the filter mounting position, the fixed clamping piece 2 is in the shape of "L", the fixed part of the fixed clamping piece 2 is perpendicular to the mounting bracket 1, the transverse block of the fixed clamping piece 2 extends towards the filter mounting position, the inner side surface of the transverse block is an inclined surface, which is inclined from the fixed part to the end of the transverse block away from the filter mounting position; further comprising a movable pressing piece 3 and a fastener 4, the movable pressing piece 3 is provided with a sleeve part 31 and a pressing plate part 32, the outer dimension of the sleeve part 31 is smaller than that of the pressing plate part 32, the side wall of the sleeve part 31 towards the filter mounting position is an inclined surface, a through hole is arranged on the movable pressing piece 3, which penetrates through the pressing plate part 32 and the sleeve part 31, the mounting bracket 1 is fixedly provided with a stud 5 on the opposite side of the fixed clamping piece 2, and the movable pressing piece 3 is connected with the stud 5 through the fastener 4. Preferably, the fixed clamping piece 2 is provided with two, and the two fixed clamping pieces 2 are arranged on the upper and lower corners on the same side of the filter mounting position. In a preferred embodiment, the fastener 4 is a nut, the movable pressing piece 3 is arranged on the stud 5, and the movable pressing piece 3 is pressed on the filter 6 by screwing the nut; the nut is preferably a knurled high nut, which can enhance the grip feeling and holding force, and facilitate one-handed screwing operation. Of course, the fastener 4 can also be a screw.

[0026] The utility model replaces the traditional clip with a fixed clip having an inclined surface on the inner side. The fixed clip 2 is fixedly arranged on the mounting bracket 1. During installation, one side of the filter 6 can be clamped into the fixed clip 2 for preliminary fixation, and then the movable pressing member 3 is tightened by the fastener 4. While the movable pressing member 3 presses the filter 6, its inclined surface further squeezes the filter 6 along the inclined surface on the inner side of the fixed clip 2 towards the inside of the fixed clip 2. Under the guidance of the inclined surface of the fixed clip 2, the filter 6 abuts against the mounting bracket and presses the sealing strip 8, achieving the self-tightening effect of the filter. The structure of the utility model only needs to be stabilized and operated on one side of the filter, which can reduce the number of operators required for installing the filter element. Especially when the installation space is very narrow, the operator can complete the installation of the filter without entering the space.

[0027] Furthermore, at least one filter installation unit is provided on the mounting bracket 1. One filter installation unit includes two filter installation positions arranged side by side. The fixed clips 2 are arranged on both sides in the length direction of the filter installation unit, and the fixed clips 2 on both sides are arranged facing each other. The stud 5 is arranged in the middle of the filter installation unit. The movable pressing member 3 located between the two filters can simultaneously push the filters on both sides away and squeeze them into the fixed clips 2, making the filters firmly fixed.

[0028] Furthermore, two filter installation units are provided on the mounting bracket 1, and the filter installation positions are arranged in a "field" shape. A stud 5 is also provided at the central position of the mounting bracket 1 between the two filter installation units. The movable pressing member 3 located at the center of the two filter installation units can simultaneously push the four filters away to both sides.

[0029] Preferably, the sleeve portion 31 of the movable pressing member 3 is square conical.

[0030] Furthermore, a support plate​​​

Claims

1. A filter mounting self-tightening structure, comprising a mounting bracket (1), wherein the mounting bracket (1) is provided with at least one filter mounting position, characterized in that: On one side of the filter mounting position on the mounting bracket, there is at least one fixing clip (2). The fixing clip (2) is in an "L" shape. The fixing part of the fixing clip (2) is perpendicular to the mounting bracket (1). The transverse stop of the fixing clip (2) extends towards the filter mounting position. The inner side of the transverse stop of the fixing clip (2) is an inclined surface, which is inclined away from the filter mounting position from the fixing part towards the end of the transverse stop; there are also a movable pressing piece (3) and a fastening piece (4). The movable pressing piece (3) has a sleeve part (31) and a pressing plate part (32). The outer dimension of the sleeve part (31) is smaller than the outer dimension of the pressing plate part (32). The side wall of the sleeve part (31) facing the filter mounting position is an inclined surface. A through hole penetrating the pressing plate part (32) and the sleeve part (31) is formed on the movable pressing piece (3). A stud (5) is fixedly provided on the mounting bracket (1) on the opposite side of the fixing clip (2). The movable pressing piece (3) is connected to the stud (5) through the fastening piece (4).

2. The filter installation self-tightening structure according to claim 1, characterized in that: There are two fixing clips (2), and the two fixing clips (2) are respectively arranged at the upper and lower corners on the same side of the filter mounting position.

3. The filter installation self-tightening structure according to claim 1, characterized in that: The fastening piece (4) is a nut, and the movable pressing piece (3) is sleeved on the stud (5).

4. The filter installation self-tightening structure according to claim 3, characterized in that: The nut is a knurled high nut.

5. The filter installation self-tightening structure according to claim 1, characterized in that: There is at least one filter mounting unit on the mounting bracket (1). One filter mounting unit includes two filter mounting positions arranged side by side. The fixing clips (2) are arranged on both sides in the length direction of the filter mounting unit. The fixing clips (2) on both sides face each other. The stud (5) is arranged in the middle of the filter mounting unit. The movable pressing piece (3) located between the two filters can push the filters on both sides away simultaneously.

6. The filter installation self-tightening structure according to claim 5, characterized in that: There are two filter mounting units on the mounting bracket (1). The filter mounting positions are arranged in a "field" shape. A stud (5) is also provided at the central position of the two filter mounting units on the mounting bracket (1). The movable pressing piece (3) located at the center of the two filter mounting units can push the four filters away towards both sides simultaneously.

7. The filter installation self-tightening structure according to claim 6, characterized in that: The sleeve part (31) of the movable pressing piece (3) is in a square conical shape.

8. The filter installation self-tightening structure according to any one of claims 1-7, characterized in that: A support plate (7) is fixedly provided on the mounting bracket (1) corresponding to the lower part of the filter mounting position.

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