CN219346740U

CN219346740U - Anti-loosening silencing static pressure box

Info

Publication number: CN219346740U
Application number: CN202320888408.1U
Authority: CN
Inventors: 于帅; 韩飞照; 胡树中; 尹志波; 才志广
Original assignee: Dezhou Longda Air Conditioning Equipment Group Co ltd
Current assignee: Dezhou Longda Air Conditioning Equipment Group Co ltd
Priority date: 2023-04-15
Filing date: 2023-04-15
Publication date: 2023-07-14
Anticipated expiration: 2033-04-15

Abstract

The utility model relates to the field of silencing static pressure boxes and discloses a loosening-preventing silencing static pressure box, which comprises a silencing static pressure box main body, wherein a hoisting structure is arranged outside the silencing static pressure box main body, the hoisting structure comprises two first threaded rods, the upper ends of the first threaded rods are fixedly connected with fixing pieces, two brackets corresponding to the silencing static pressure box main body are arranged between the two first threaded rods in a penetrating way, two buffer pieces are arranged on the first threaded rods in a penetrating way, one end of each bracket is positioned in each buffer piece, two springs are sleeved outside the first threaded rods, and the silencing static pressure box main body is supported by the aid of the two springs in a matching way.

Description

Anti-loosening silencing static pressure box

Technical Field

The utility model relates to the field of silencing static pressure boxes, in particular to a loosening-preventing silencing static pressure box.

Background

The silencing static pressure box is a necessary accessory for reducing dynamic pressure, increasing static pressure, stabilizing airflow and reducing airflow vibration of an air supply system. The air supply effect can be more ideal. The silencing static pressure box is a device which can not only allow air flow to pass through, but also effectively prevent or attenuate sound energy from spreading. Resistive muffler: the sound energy is absorbed by the sound absorbing material in the box body, so that the noise is reduced. Generally for removing high frequency and intermediate frequency noise. The silencing static pressure box is installed on the roof through hoisting, so that occupied space of the ground is reduced.

In order to further improve the practicability of the silencing static pressure box, the prior art has improved the silencing static pressure box, for example, a silencing static pressure box is disclosed in a patent with a publication number of CN212585069U, and comprises a shell, a first air inlet, a second air inlet, a sound absorption splitter plate and an air outlet; the shell is provided with an inner cavity, and the first air inlet and the second air inlet are respectively arranged at two sides of the shell and are communicated with the inner cavity; the air outlet is arranged in the center of the upper part of the shell and is connected with the inner cavity; a boss part is arranged at the bottom of the inner cavity; two sides of the upper part of the inner cavity are respectively provided with an inclined bench part; the lower parts of the two inclined table parts are respectively parallel to the two bevel edge parts of the boss part; the sound absorption splitter plates are provided with a plurality of sound absorption splitter plates, the sound absorption splitter plates are symmetrically arranged below the two inclined bench parts and connected with the shell, the sound absorption splitter plates are parallel to the lower parts of the two inclined bench parts, and the sound absorption splitter plates are provided with a plurality of through holes.

The prior art has obvious beneficial effects, but has the following defects:

the installation mode of the existing silencing static pressure box is the same as that of the traditional silencing static pressure box, the silencing static pressure box is supported by the support through the cooperation of the bolt rod and the bolt, the silencing static pressure box can vibrate due to the flow of internal gas when in use, the bolt at the installation position of the silencing static pressure box is easy to loose, the vibration amplitude of the silencing static pressure box is increased once loose, the installation stability of the silencing static pressure box is affected, and the tightness and the connection strength between adjacent silencing static pressure boxes are also affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a loosening-preventing silencing static pressure box, which aims to solve the problems of the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a locking static pressure case that moves noise elimination, including the static pressure case main part that disappears, be equipped with hoisting structure outside the static pressure case main part that disappears, hoisting structure includes two first threaded rods, the upper end fixedly connected with mounting of first threaded rod, wear to be equipped with two supports that correspond with the static pressure case main part that disappears between two first threaded rods, wear to be equipped with two cushioning members on the first threaded rod, the one end of support is located the cushioning member, first threaded rod overcoat is equipped with two springs, the both ends of spring offset with one side of support and the inner wall of cushioning member respectively, threaded connection has two first nuts on the first threaded rod, two first nuts offset with one side of two cushioning members respectively.

Preferably, the first threaded rod is in threaded connection with two second nuts, and the two second nuts respectively prop against the inner walls of one ends of the two buffer parts, which are far away from the spring.

Preferably, a plurality of damping rods are fixedly connected to one side of two ends of the support, a plurality of damping sleeves are arranged at one end of the buffer piece, one end of each damping rod penetrates through each damping sleeve and the corresponding damping piece, and the damping rods are in sliding connection with the corresponding damping sleeves.

Preferably, one end fixedly connected with adapter sleeve of bolster, sliding connection has to support the frame in the adapter sleeve, and one side fixedly connected with second threaded rod of adapter sleeve, the one end of second threaded rod runs through to support the frame and threaded connection has the third nut, and the one end of first threaded rod wears to establish to support the frame, supports one end of frame and one side of noise elimination static pressure case main part and offsets.

Preferably, both ends of the bracket are beveled.

Preferably, the width of the outer wall of the bracket is equal to the width of the inner wall of the buffer.

Preferably, the first nut, the second nut and the third nut are all the same size.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the silencing static pressure box main body is supported by the support and the buffer piece in cooperation with the spring, so that the spring can buffer the silencing static pressure box main body when the silencing static pressure box main body vibrates, the phenomenon that the silencing static pressure box main body is limited due to the fact that the first nut looseness is influenced by the vibration force of the silencing static pressure box main body is avoided, the stability of the silencing static pressure box main body is poor, the whole structure is simple, and the silencing static pressure box main body is convenient to install.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the mating structure of the cushioning member and the bracket of the present utility model;

fig. 3 is a schematic diagram of the fitting structure of the connecting sleeve and the abutting frame of the utility model.

In the figure: 1. a silencing static pressure box main body; 2. a first threaded rod; 3. a bracket; 4. a fixing member; 5. a buffer member; 6. a spring; 7. a first nut; 8. a damping rod; 9. a damping sleeve; 10. a second nut; 11. connecting sleeves; 12. a support frame; 13. a second threaded rod; 14. and a third nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an anti-loosening noise elimination static pressure box comprises a noise elimination static pressure box main body 1, a hoisting structure is arranged outside the noise elimination static pressure box main body 1, the hoisting structure comprises two first threaded rods 2, the upper ends of the first threaded rods 2 are fixedly connected with fixing pieces 4, two brackets 3 corresponding to the noise elimination static pressure box main body 1 are arranged between the two first threaded rods 2 in a penetrating manner, two buffer pieces 5 are arranged on the first threaded rods 2 in a penetrating manner, one end of each bracket 3 is located in each buffer piece 5, two springs 6 are sleeved outside the first threaded rods 2, two ends of each spring 6 respectively abut against one side of each bracket 3 and the inner wall of each buffer piece 5, two first nuts 7 are connected to the first threaded rods 2 in a threaded manner, and the two first nuts 7 respectively abut against one sides of the two buffer pieces 5.

Referring to fig. 1 and 2, the structure of the silencing static pressure tank in the utility model is similar to that of the existing silencing static pressure tank, such as a silencing static pressure tank disclosed in patent publication number CN212585069U, and the main improvement point of the utility model is that the silencing static pressure tank has an anti-loosening effect after being installed. When the silencing static pressure box main body 1 is installed, wall nails can be used for penetrating through the fixing pieces 4 to fix the silencing static pressure box main body 1 on the wall top according to the size of the silencing static pressure box main body 1, so that the two first threaded rods 2 are positioned, two ends of the two brackets 3 are sleeved outside the two first threaded rods 2 by the aid of the buffer pieces 5 and the springs 6, the two silencing static pressure box main bodies 1 are placed between the two first threaded rods 2, the two brackets 3 are respectively positioned on the bottom surface and the upper surface of the silencing static pressure box main body 1, at the moment, the two first nuts 7 on the first threaded rods 2 are rotated, the heights of the silencing static pressure box main body 1 are adjusted through the buffer pieces 5 and the brackets 3, after the heights are adjusted, the two first nuts 7 are abutted against one end of the adjacent buffer pieces 5, at the moment, if air flows in the silencing static pressure box main body 1 to cause vibration of the silencing static pressure box main body 1, the vibration force of the silencing static pressure box main body 1 is conducted to the brackets 3, the springs 6 are limited by the buffer pieces 5, the upper springs 6 and the lower springs 6 conduct the vibration force of the silencing static pressure box main body 1, the vibration force of the silencing static pressure box main body 1 is conducted to the damping static pressure box main body 1, the vibration force is conducted by the buffer pieces 7, the vibration stability of the damping static pressure box main body 1 is kept, and the vibration stability of the damping static pressure box main body 1 is not stable, and the vibration stability is achieved, and the vibration of the vibration structure is prevented.

Referring to fig. 2, two second nuts 10 are screwed on the first threaded rod 2, the two second nuts 10 respectively abut against inner walls of one ends of the two cushioning members 5 away from the spring 6, the two brackets 3 can rotate the second nuts 10 after clamping the silencing static pressure box main body 1, the second nuts 10 ascend or descend on the first threaded rod 2 to drive the cushioning members 5 to ascend or descend so that the spring 6 compresses or expands, and the cushioning strength of the spring 6 to the brackets 3 is adjusted so as to adapt to different installation requirements of the silencing static pressure box main body 1.

Referring to fig. 2, a plurality of damping rods 8 are fixedly connected to one sides of two ends of the support 3, a plurality of damping sleeves 9 are arranged at one end of the buffer member 5, one end of each damping rod 8 penetrates through each damping sleeve 9 and the buffer member 5, each damping rod 8 is slidably connected with each damping sleeve 9, when vibration is transmitted to the support 3, the support 3 drives each damping rod 8 to slide with each damping sleeve 9, and the damping rods 8 and the damping sleeves 9 are matched with springs 6 to reduce the vibration generated by the static pressure silencing box body 1.

Referring to fig. 2 and 3, one end of the buffer member 5 is fixedly connected with a connecting sleeve 11, an abutting frame 12 is slidably connected in the connecting sleeve 11, one side of the connecting sleeve 11 is fixedly connected with a second threaded rod 13, one end of the second threaded rod 13 penetrates through the abutting frame 12 and is in threaded connection with a third nut 14, one end of the first threaded rod 2 penetrates through the abutting frame 12, one end of the abutting frame 12 abuts against one side of the silencing static pressure box main body 1, after the two brackets 3 clamp the silencing static pressure box main body 1, the third nut 14 can be rotated to be in threaded connection with the second threaded rod 13, the third nut 14 drives the abutting frame 12 to slide in the connecting sleeve 11, one end of the abutting frame 12 abuts against one side of the silencing static pressure box main body 1, and the side of the silencing static pressure box main body 1 is limited, so that stability after the silencing static pressure box main body 1 is installed is improved.

Referring to fig. 2, the two ends of the bracket 3 are both provided with oblique angles, and the bracket 3 with the end provided with the oblique angles can make room for the installation of the spring 6 and the damping rod 8.

Referring to fig. 2, the width of the outer wall of the bracket 3 is equal to the width of the inner wall of the buffer member 5, and the buffer member 5 can limit the bracket 3 to increase the stability of the bracket 3.

Referring to fig. 2 and 3, the first nut 7, the second nut 10 and the third nut 14 are all the same in size, and a single-sized wrench can be used to rotate the first nut 7, the second nut 10 and the third nut 14, so as to facilitate adjustment of the first nut 7, the second nut 10 and the third nut 14.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a locking static pressure case of eliminating the noise that moves, including static pressure case main part (1) of eliminating the noise, a serial communication port, the hoist and mount structure is outward including two first threaded rods (2) to static pressure case main part (1) of eliminating the noise, the upper end fixedly connected with mounting (4) of first threaded rod (2), wear to be equipped with two support (3) that correspond with static pressure case main part (1) of eliminating the noise between two first threaded rods (2), wear to be equipped with two cushioning members (5) on first threaded rod (2), the one end of support (3) is located cushioning member (5), first threaded rod (2) overcoat is equipped with two springs (6), the both ends of spring (6) offset with one side of support (3) and the inner wall of cushioning member (5) respectively, threaded connection has two first nuts (7) on first threaded rod (2), two first nuts (7) offset with one side of two cushioning members (5) respectively.

2. The anti-loosening silencing static pressure box according to claim 1, wherein the first threaded rod (2) is in threaded connection with two second nuts (10), and the two second nuts (10) are respectively abutted against the inner walls of one ends, far away from the springs (6), of the two buffer pieces (5).

3. The anti-loosening silencing static pressure box according to claim 1, wherein a plurality of damping rods (8) are fixedly connected to one sides of two ends of the support (3), a plurality of damping sleeves (9) are arranged at one end of the buffer piece (5), one end of each damping rod (8) penetrates through each damping sleeve (9) and each buffer piece (5), and the damping rods (8) are in sliding connection with the corresponding damping sleeves (9).

4. The anti-loosening noise elimination static pressure box according to claim 1, characterized in that one end of the buffer piece (5) is fixedly connected with a connecting sleeve (11), an abutting frame (12) is connected in a sliding mode in the connecting sleeve (11), one side of the connecting sleeve (11) is fixedly connected with a second threaded rod (13), one end of the second threaded rod (13) penetrates through the abutting frame (12) and is in threaded connection with a third nut (14), one end of the first threaded rod (2) penetrates through the abutting frame (12), and one end of the abutting frame (12) abuts against one side of the noise elimination static pressure box main body (1).

5. The anti-loosening silencing static pressure box as claimed in claim 1, wherein both ends of the bracket (3) are provided with oblique angles.

6. The anti-loosening silencing static pressure box as claimed in claim 1, wherein the width of the outer wall of the bracket (3) is equal to the width of the inner wall of the buffer member (5).

7. The anti-loosening and silencing static pressure box as claimed in claim 4, wherein the first nut (7), the second nut (10) and the third nut (14) are all the same size.