CN216251050U

CN216251050U - Filter

Info

Publication number: CN216251050U
Application number: CN202122824520.2U
Authority: CN
Inventors: 李海华
Original assignee: Anhui Tatfook Technology Co Ltd
Current assignee: Anhui Tatfook Technology Co Ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-08
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to the field of radio frequency equipment, and provides a filter which comprises a flying rod clamping seat and a cavity. Wherein, the flying bar clamping seat is provided with sliding connecting grooves which are communicated along the height direction of the flying bar clamping seat on two opposite sides; the cavity is provided with two opposite side walls, a clamping groove for assembling the flying bar clamping seat is formed between the two side walls, the side walls are matched with the sliding connection groove in a sliding connection mode, the side walls are provided with a sliding connection part and a positioning part which are arranged along the height direction of the flying bar clamping seat, the width of the positioning part in the groove width direction of the sliding connection groove is matched with the groove width of the sliding connection groove, and the width of the sliding connection part in the groove width direction of the sliding connection groove is smaller than the groove width of the sliding connection groove. In the filter, the side wall of the cavity can be matched with the corresponding sliding connection groove of the flying rod clamping seat in a matched sliding connection manner through the positioning part, so that the reliability of assembly between the flying rod clamping seat and the side wall is guaranteed and improved; the side wall of the cavity is in clearance sliding fit with the corresponding sliding groove of the flying bar clamping seat through the sliding connection part, so that the risk of cracking of the flying bar clamping seat is effectively reduced.

Description

Filter

Technical Field

The utility model belongs to the technical field of radio frequency equipment, and particularly relates to a filter.

Background

The cavity of the filter is usually provided with at least one slot to fit the fly rod clamp. However, based on the existing structure, during the period of assembling the flying bar clamping seat to the clamping groove and during the period of high and low temperature testing after assembling, the flying bar clamping seat and the cavity are very easy to form tight assembling and extrude each other, so that internal stress which is difficult to release is generated, and further the flying bar clamping seat is easy to crack.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to provide a filter, and the filter is used for solving the technical problem that the flying rod clamping seat is easy to crack due to the fact that the flying rod clamping seat and a cavity are easy to form tight assembly and extrude with each other to generate internal stress which is difficult to release.

In order to achieve the purpose, the utility model adopts the technical scheme that: a filter, comprising:

the flying rod clamping seat is provided with sliding connection grooves which are communicated along the height direction of the flying rod clamping seat on two opposite sides;

the cavity is provided with two opposite side walls, a clamping groove for assembling the flying bar clamping seat is formed between the two side walls, the side walls are matched with the sliding connection groove in a sliding connection mode, the side walls are provided with a sliding connection part and a positioning part which are arranged along the height direction of the flying bar clamping seat, the width of the positioning part in the groove width direction of the sliding connection groove is matched with the groove width of the sliding connection groove, and the width of the sliding connection part in the groove width direction of the sliding connection groove is smaller than the groove width of the sliding connection groove.

In one embodiment, the sliding portion is disposed adjacent to the notch of the card slot.

In one embodiment, in the height direction of the fly rod clamping seat, the height of the sliding connection part is smaller than that of the positioning part.

In one embodiment, the height of the sliding portion is less than 1/2 of the height of the positioning portion in the height direction of the fly bar clamp.

In one embodiment, the side wall further has a first transition portion disposed on a side of the sliding connection portion away from the sliding connection groove, and a side surface of the first transition portion is in transition connection with a corresponding side surface of the sliding connection portion.

In one embodiment, the first transition portion has a curved surface on a side surface in the groove width direction of the slip groove.

In one embodiment, the width of the first transition portion is gradually increased in a direction away from the sliding portion.

In one embodiment, the side wall further has a second transition portion disposed on a side of the positioning portion away from the sliding connection groove, and a side surface of the second transition portion is in transition connection with a corresponding side surface of the positioning portion.

In one embodiment, the side surface of the second transition part in the groove width direction of the sliding connection groove is an arc surface.

In one embodiment, the width of the second transition portion is gradually increased in a direction away from the positioning portion.

The utility model has the following beneficial effects:

according to the filter provided by the embodiment of the utility model, the side wall of the cavity is provided with the positioning part with the width matched with the groove width of the sliding connection groove and the sliding connection part with the width smaller than the groove width of the sliding connection groove. Based on the structure, the side wall of the cavity can be matched with the corresponding sliding connection groove of the flying bar clamping seat in a matched sliding connection manner through the positioning part, so that the flying bar clamping seat is positioned and limited, and the flying bar clamping seat is limited to shake and move relative to the side wall in the groove width direction of the sliding connection groove, and the reliability of assembly between the flying bar clamping seat and the side wall can be guaranteed and improved; the side wall of the cavity can also be in clearance sliding fit with the corresponding sliding groove of the flying bar clamping seat through the sliding connection part, so that the risk degree of tight assembly formed between the flying bar clamping seat and the side wall is effectively reduced, the degree of mutual extrusion between the flying bar clamping seat and the side wall is effectively relieved, the internal stress generated between the flying bar clamping seat and the side wall is effectively reduced, and the flying bar clamping seat is convenient to release the internal stress, so that the risk of cracking of the flying bar clamping seat can be effectively reduced, and particularly, the risk of cracking of the flying bar clamping seat can be reduced in the period of assembling the flying bar clamping seat to the clamping groove and in the period of high-low temperature test after assembly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a filter according to an embodiment of the present invention;

fig. 2 is an exploded view of a portion of the structure of the filter provided in fig. 1;

FIG. 3 is a top view of a portion of the filter provided in FIG. 1;

fig. 4 is a cross-sectional view along a-a as provided in fig. 3.

Wherein, in the figures, the respective reference numerals:

100-flying bar clamping seat, 101-sliding connection groove; 200-cavity, 210-side wall, 211-sliding part, 212-positioning part, 213-first transition part, 214-second transition part, 201-clamping groove; 300-flying bar; 400-resonant rod.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The following describes a specific implementation of the present invention in more detail with reference to specific embodiments:

referring to fig. 1 and fig. 2, an embodiment of the utility model provides a filter, which includes a flying bar socket 100 and a cavity 200. Wherein, the flying bar clamping seat 100 is provided with sliding connection grooves 101 which are penetrated along the height direction z on the two opposite sides; the cavity 200 has two opposite side walls 210, a clamping groove 201 for the flying bar clamping seat 100 to fit between is formed between the two side walls 210, the side walls 210 are in sliding fit with the sliding groove 101, wherein the side walls 210 have a sliding connection portion 211 and a positioning portion 212 arranged along the height direction z of the flying bar clamping seat 100, please refer to fig. 3 and fig. 4 together, the width of the positioning portion 212 in the groove width direction y of the sliding groove 101 is matched with the groove width of the sliding groove 101, and the width of the sliding connection portion 211 in the groove width direction y of the sliding groove 101 is smaller than the groove width of the sliding groove 101.

It should be noted that the number of the card slots 201 substantially corresponds to the number of the flying bar card seats 100. In practical application scenarios, the flying-rod clamping seat 100 can be assembled into the corresponding clamping groove 201, and the position and the state of the flying-rod clamping seat are relatively stabilized. Accordingly, the flying bar 300 supported and fixed by the flying bar holder 100 is relatively stable in position and state, and the flying bar 300 can be stably and reliably coupled between the opposing resonant bars 400 at both sides of the flying bar 300, thereby realizing signal transmission therebetween. The flying bar 300 may be a flying bar sheet or a flying bar disc, etc., which is not limited in this embodiment.

Specifically, during the process of assembling the flying bar clamping seat 100 to the clamping groove 201, the two sliding-contact grooves 101 of the flying bar clamping seat 100 are respectively in corresponding sliding-contact fit with the two opposite side walls 210 enclosing to form the clamping groove 201, so as to achieve connection and assembly.

Based on the above, the width of the positioning portion 212 of the side wall 210 in the groove width direction y of the sliding connection groove 101 is matched with the groove width of the sliding connection groove 101, and the sliding connection fit between the positioning portion 212 and the sliding connection groove 101 can relatively stabilize the positioning effect and the limiting effect of the side wall 210 on the flying bar clamping seat 100, and can relatively limit the flying bar clamping seat 100 from shaking and moving relative to the side wall 210 in the groove width direction y of the sliding connection groove 101, so that the reliability of the assembly between the flying bar clamping seat 100 and the side wall 210 can be ensured and improved.

The width of the sliding connection part 211 of the side wall 210 in the slot width direction y of the sliding connection slot 101 is smaller than the slot width of the sliding connection slot 101, and therefore, when the sliding connection part 211 is in sliding connection with the sliding connection slot 101, a certain gap can be formed between the side surface of the sliding connection part 211 in the slot width direction y of the sliding connection slot 101 and the slot wall of the sliding connection slot 101, so that the risk degree of tight assembly formed between the flying bar clamping seat 100 and the side wall 210 can be effectively reduced, the degree of mutual extrusion between the flying bar clamping seat 100 and the side wall 210 can be effectively relieved, the internal stress generated between the flying bar clamping seat 100 and the side wall 210 can be effectively reduced, the internal stress can be conveniently released by the flying bar clamping seat 100 even if the internal stress is generated, and the risk of cracking phenomenon of the flying bar clamping seat 100 can be effectively reduced.

In summary, in the filter provided by the embodiment of the present invention, the sidewall 210 of the cavity 200 has the positioning portion 212 having a width matched with the groove width of the sliding connection groove 101, and the sliding connection portion 211 having a width smaller than the groove width of the sliding connection groove 101. Based on this, the side wall 210 of the cavity 200 can be in adaptive sliding fit with the corresponding sliding groove 101 of the flying bar clamping seat 100 through the positioning part 212, so as to position and limit the flying bar clamping seat 100, and limit the flying bar clamping seat 100 to shake and move relative to the side wall 210 in the groove width direction y of the sliding groove 101, thereby ensuring and improving the reliability of the assembly between the flying bar clamping seat 100 and the side wall 210; the side wall 210 of the cavity 200 can also be in clearance sliding fit with the corresponding sliding groove 101 of the flying bar clamping seat 100 through the sliding connection part 211, so that the risk degree of tight assembly formed between the flying bar clamping seat 100 and the side wall 210 is effectively reduced, the degree of mutual extrusion between the flying bar clamping seat 100 and the side wall 210 is effectively relieved, the internal stress generated between the flying bar clamping seat 100 and the side wall 210 is effectively reduced, and the flying bar clamping seat 100 is convenient to release the internal stress, so that the risk of cracking of the flying bar clamping seat 100 can be effectively reduced, and especially, the risk of cracking of the flying bar clamping seat 100 can be reduced during the assembly of the flying bar clamping seat 100 to the clamping groove 201 and during high and low temperature tests after the assembly.

Referring to fig. 2 and 4, in the present embodiment, the sliding portion 211 is disposed relatively close to the notch of the card slot 201. Correspondingly, the positioning portion 212 is disposed relatively close to the groove bottom of the card slot 201.

Based on the arrangement of the embodiment, during the period that the flying bar clamping seat 100 is assembled to the clamping groove 201, the sliding-connection groove 101 of the flying bar clamping seat 100 is in clearance sliding-connection fit with the sliding-connection part 211 close to the notch of the clamping groove 201, and then is in fit sliding-connection fit with the positioning part 212 close to the groove bottom of the clamping groove 201 under the guiding action of the sliding-connection part 211, so that the assembly is convenient, and in the whole period that the flying bar clamping seat 100 is assembled to the clamping groove 201, the risk degree of tight assembly formed between the flying bar clamping seat 100 and the side wall 210 can be effectively reduced, the degree of mutual extrusion between the flying bar clamping seat 100 and the side wall 210 is effectively relieved, the internal stress generated between the flying bar clamping seat 100 and the side wall 210 is effectively reduced, and the flying bar clamping seat 100 is convenient for releasing the internal stress, so that the risk of the cracking phenomenon of the flying bar clamping seat 100 can be effectively reduced in the whole period that the flying bar clamping seat 100 is assembled to the clamping groove 201.

Of course, in other possible embodiments, the sliding portion 211 is disposed relatively close to the bottom of the slot 201, and the positioning portion 212 is disposed relatively close to the notch of the slot 201. With such an arrangement, during the period of assembling the flying bar clamping seat 100 to the clamping groove 201, the sliding contact groove 101 of the flying bar clamping seat 100 is in sliding contact fit with the positioning portion 212 close to the notch of the clamping groove 201, and then is in clearance sliding contact fit with the sliding contact portion 211 close to the groove bottom of the clamping groove 201, so that the process of transition assembling from the wider positioning portion 212 to the narrower sliding contact portion 211 is relatively smoother. And after the sliding connection groove 101 of the flying bar clamping seat 100 is assembled to the sliding connection part 211 and during high and low temperature tests after assembly, the risk of cracking of the flying bar clamping seat 100 can be effectively reduced.

Referring to fig. 2 and 4, in the present embodiment, in the height direction z of the fly bar clamping seat 100, the height of the sliding connection portion 211 is smaller than the height of the positioning portion 212.

By adopting the above scheme, on the basis of effectively reducing the risk of cracking of the flying-rod clamping seat 100, the height proportion of the corresponding amplitude-reducing sliding connection part 211 and the height proportion of the corresponding amplitude-increasing positioning part 212 can be effectively reduced, so that after the flying-rod clamping seat 100 is assembled to the clamping groove 201, the positioning effect and the limiting effect of the positioning part 212 on the flying-rod clamping seat 100 can be effectively ensured and improved, and the flying-rod clamping seat 100 can be relatively limited from shaking and moving relative to the side wall 210 in the groove width direction y of the sliding connection groove 101, so that the reliability of assembly between the flying-rod clamping seat 100 and the side wall 210 can be more effectively ensured and improved.

Referring to fig. 2 and 4, in the present embodiment, in the height direction z of the fly bar clamp 100, the height of the sliding connection portion 211 is smaller than the height 1/2 of the positioning portion 212.

By adopting the above scheme, on the basis of effectively reducing the risk of cracking of the flying bar clamping seat 100, the height proportion of the sliding connection part 211 is greatly reduced, and the height proportion of the positioning part 212 is greatly increased, so that after the flying bar clamping seat 100 is assembled to the clamping groove 201, the reliability of assembly between the flying bar clamping seat 100 and the side wall 210 can be greatly ensured and improved on the basis of effectively reducing the risk of cracking of the flying bar clamping seat 100.

Referring to fig. 2, in the present embodiment, the side wall 210 further has a first transition portion 213 disposed on a side of the sliding connection portion 211 away from the sliding connection slot 101, a side surface of the first transition portion 213 is transitionally connected with a corresponding side surface of the sliding connection portion 211, and particularly, a side surface of the first transition portion 213 in the slot width direction y of the sliding connection slot 101.

Here, a first transition portion 213 is disposed on a side of the sliding connection portion 211 away from the sliding connection slot 101, and the first transition portion 213 can at least provide a supporting effect on the sliding connection portion 211.

The side surface of the first transition portion 213 is transitionally connected with the corresponding side surface of the sliding connection portion 211, and therefore, no sharp-angled structure or stepped structure is formed between the first transition portion 213 and the sliding connection portion 211.

Therefore, based on the arrangement of the present embodiment, no matter whether the size of the sliding connection portion 211 in the groove depth direction of the sliding connection groove 101 is greater than, equal to, or less than the groove depth of the sliding connection groove 101, the flying bar clamping seat 100 can be effectively prevented from being extruded by the sharp-angled structure and the stepped structure formed between the first transition portion 213 and the sliding connection portion 211, so that the risk of cracking of the flying bar clamping seat 100 can be further reduced.

Referring to fig. 2, in the present embodiment, a side surface of the first transition portion 213 in the groove width direction y of the sliding contact groove 101 is an arc surface.

Through adopting above-mentioned scheme, can be convenient for process and form first transition portion 213 to can make the transition between first transition portion 213 and sliding connection portion 211 more natural, more smooth and easy, based on this, can do benefit to and reduce the risk that forms closed angle structure, stair structure between first transition portion 213 and the sliding connection portion 211, thereby can further reduce lateral wall 210 and form extruded risk degree to flying bar cassette 100, can further reduce the risk that the fracture phenomenon appears in flying bar cassette 100.

Referring to fig. 2, in the present embodiment, the width of the first transition portion 213 is gradually increased in a direction away from the sliding portion 211. Here, the width of the first transition portion 213 refers to the width of the first transition portion 213 in the groove width direction y of the sliding contact groove 101.

By adopting the above scheme, the width of the first transition portion 213 on the side far from the sliding connection portion 211 is larger than the width of the sliding connection portion 211 and larger than the width of the sliding connection portion 211, so that the strength and rigidity of the first transition portion 213 can be correspondingly improved on the basis of ensuring the sliding connection effect between the sliding connection portion 211 and the sliding connection groove 101, even the portion of the first transition portion 213 near the sliding connection portion 211, so as to ensure and improve the strength and rigidity of the side wall 210, and ensure and prolong the service life of the side wall 210.

Referring to fig. 2, in the present embodiment, the side wall 210 further has a second transition portion 214 disposed on a side of the positioning portion 212 far from the sliding connection groove 101, a side surface of the second transition portion 214 is in transition connection with a corresponding side surface of the positioning portion 212, and particularly, a side surface of the second transition portion 214 in the groove width direction y of the sliding connection groove 101.

It should be noted that, a second transition portion 214 is disposed on a side of the positioning portion 212 away from the sliding connection groove 101, and the second transition portion 214 can at least provide a supporting effect on the positioning portion 212.

The side surface of the second transition portion 214 is in transition connection with the corresponding side surface of the positioning portion 212, and therefore, no sharp-angled structure or stepped structure is formed between the second transition portion 214 and the positioning portion 212.

Therefore, based on the arrangement of the present embodiment, no matter whether the size of the positioning portion 212 in the groove depth direction of the sliding connection groove 101 is greater than, equal to, or less than the groove depth of the sliding connection groove 101, it can be effectively avoided that the flying bar clamping seat 100 is extruded due to the formation of a sharp-angled structure or a stepped structure between the second transition portion 214 and the positioning portion 212, so that the risk of cracking of the flying bar clamping seat 100 can be further reduced.

Referring to fig. 2, in the present embodiment, the side surface of the second transition portion 214 in the groove width direction y of the sliding contact groove 101 is an arc surface.

By adopting the above scheme, the second transition portion 214 can be conveniently processed and formed, and the transition between the second transition portion 214 and the positioning portion 212 can be more natural and smooth, so that the risk of forming a sharp-angled structure and a stepped structure between the second transition portion 214 and the positioning portion 212 can be favorably reduced, the risk degree of extrusion of the side wall 210 on the fly rod clamping seat 100 can be further reduced, and the risk of cracking of the fly rod clamping seat 100 can be further reduced.

Referring to fig. 2, in the present embodiment, the width of the second transition portion 214 is gradually increased in a direction away from the positioning portion 212. Here, the width of the second transition portion 214 refers to the width of the second transition portion 214 in the groove width direction y of the sliding contact groove 101.

By adopting the above scheme, the width of the second transition portion 214 on the side far from the positioning portion 212 is greater than the width of the side close to the positioning portion 212 and greater than the width of the positioning portion 212, so that the strength and rigidity of the second transition portion 214 can be correspondingly improved on the basis of ensuring the sliding connection effect between the positioning portion 212, even the part of the second transition portion 214 close to the positioning portion 212, and the sliding connection groove 101, so as to ensure and improve the strength and rigidity of the side wall 210, and ensure and prolong the service life of the side wall 210.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A filter, comprising:

2. The filter of claim 1, wherein the slip portion is disposed proximate to a notch of the card slot.

3. The filter according to claim 1, wherein the height of the sliding-contact portion is smaller than the height of the positioning portion in the height direction of the flying-rod holder.

4. The filter of claim 3, wherein the height of the sliding part is less than 1/2 of the height of the positioning part in the height direction of the fly rod clamp.

5. The filter according to claim 1, wherein the side wall further has a first transition portion disposed on a side of the sliding connection portion away from the sliding connection slot, and a side surface of the first transition portion is in transition connection with a corresponding side surface of the sliding connection portion.

6. The filter of claim 5, wherein the side surface of the first transition portion in the groove width direction of the sliding-contact groove is an arc surface.

7. The filter of claim 5, wherein the width of the first transition portion is tapered away from the sliding portion.

8. The filter according to any one of claims 1-7, wherein the sidewall further has a second transition portion disposed on a side of the positioning portion away from the sliding groove, and a side surface of the second transition portion is in transition connection with a corresponding side surface of the positioning portion.

9. The filter of claim 8, wherein the side of the second transition portion in the groove width direction of the sliding-contact groove is an arc surface.

10. The filter according to claim 8, wherein the width of the second transition portion is gradually increased in a direction away from the positioning portion.