Return air damper assembly for dust-free workshop

Abstract

The utility model relates to a return air damper assembly for a dust-free workshop, which comprises a first supporting piece, a second supporting piece, a first diaphragm and a second diaphragm, the first supporting piece and the second supporting piece are fixedly connected together, the first supporting piece is provided with a first mounting through hole, and the first mounting through hole penetrates through the first supporting piece; the second supporting piece is provided with a second installation through hole, and the second installation through hole penetrates through the second supporting piece. The first diaphragm can be pivotally mounted in the first mounting through hole relative to the first supporting piece, and the second diaphragm can be pivotally mounted in the second mounting through hole relative to the second supporting piece; the first diaphragm is used for opening or closing the first mounting through hole, and the second diaphragm is used for opening or closing the second mounting through hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to an automatic device, concretely relates to a return air damper assembly for dustless workshop. BACKGROUND

[0002] It is very common to set a damper in a return air duct, and the damper plays a role of blocking and communicating gas flow in the return air duct. The return air damper in the prior art mostly comprises a fan blade, a lever and other components, the lever is connected with the fan blade, the fan blade is deflected by rotating the lever, thereby plugging or opening the duct, so as to achieve the purpose of damping gas or communicating gas. However, the return air damper in the prior art needs to manually deflect the fan blade, which causes a complex opening procedure, time-consuming and laborious and other troubles to some extent, and if used in a dustless workshop, dust or bacteria and other substances may be brought into the dustless workshop due to the operation of workers, thereby affecting production and manufacturing. SUMMARY

[0003] The utility model discloses a return air damper assembly for dustless workshop is provided to solve the shortcoming in the prior art.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: a return air damper assembly for dustless workshop, comprising: first support piece, second support piece, first diaphragm, second diaphragm, the first support piece and the second support piece fixed connection together, the first support piece has first installation through -hole, the first installation through -hole is through the first support piece, the second support piece has second installation through -hole, the second installation through -hole is through the second support piece, the first diaphragm can pivotably be installed in the first installation through -hole relative to the first support piece, the second diaphragm can pivotably be installed in the second installation through -hole relative to the second support piece, the first diaphragm is used to open or close the first installation through -hole, and the second diaphragm is used to open or close the second installation through -hole.

[0005] Further, it further includes first pivot shaft, second pivot shaft, the first pivot shaft rotatably installed on the first support piece, and the first diaphragm is fixedly connected to the first pivot shaft, when the first pivot shaft rotates relative to the first support piece, the first pivot shaft drives the first diaphragm to pivot, thereby opening or closing the first installation through -hole, the second pivot shaft rotatably installed on the second support piece, and the second diaphragm is fixedly connected to the second pivot shaft, when the second pivot shaft rotates relative to the second support piece, the second pivot shaft drives the second diaphragm to pivot, thereby opening or closing the second installation through -hole.

[0006] Further, the first pivot shaft and the second pivot shaft rotate simultaneously, and the first pivot shaft and the second pivot shaft rotate in opposite directions, so that the first diaphragm opens or closes the first mounting through hole synchronously with the second diaphragm opening or closing the second mounting through hole.

[0007] Further, the first pivot shaft and the second pivot shaft rotate simultaneously, and the first pivot shaft and the second pivot shaft rotate in opposite directions, so that the first diaphragm opens or closes the first mounting through hole synchronously with the second diaphragm opening or closing the second mounting through hole.

[0008] Further, the first pivot shaft and the second pivot shaft rotate simultaneously, and the first pivot shaft and the second pivot shaft rotate in opposite directions, so that the first diaphragm opens or closes the first mounting through hole synchronously with the second diaphragm opening or closing the second mounting through hole.

[0009] Further, the first pivot shaft and the second pivot shaft rotate simultaneously, and the first pivot shaft and the second pivot shaft rotate in opposite directions, so that the first diaphragm opens or closes the first mounting through hole synchronously with the second diaphragm opening or closing the second mounting through hole.

[0010] Further, the first pivot shaft and the second pivot shaft rotate simultaneously, and the first pivot shaft and the second pivot shaft rotate in opposite directions, so that the first diaphragm opens or closes the first mounting through hole synchronously with the second diaphragm opening or closing the second mounting through hole.

[0011] Preferably, the manufacturing material of the first diaphragm and the second diaphragm is hard plastic.

[0012] Preferably, the manufacturing material of the first diaphragm and the second diaphragm is metal material.

[0013] The beneficial effects of the present application are: the back air damper for the dust-free workshop provided by the present application has simple structure, is easy to assemble, and has high degree of automation, the first pivot shaft or the second pivot shaft in the back air damper is driven to rotate by the motor, then the first diaphragm and the second diaphragm open or close the first mounting hole and the second mounting hole, so that the flowing gas of the back air duct is blocked or communicated, compared with the prior art, the back air damper liberates manual labor, saves manpower and material resources, and effectively prevents bacteria and other substances from entering the dust-free workshop. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 A structure diagram of a back air damper assembly for a dust-free workshop provided by the present application.

[0015] Fig. 2 Another structure diagram of a back air damper assembly for a dust-free workshop provided by the present application.

[0016] Fig. 3 Another structure diagram of a back air damper assembly for a dust-free workshop provided by the present application. DETAILED DESCRIPTION

[0017] The present application will be further described in detail below with specific embodiments combined with the drawings. In different embodiments, similar elements are associated with similar element reference numbers. In the following embodiments, many details are described in order to make the present application better understood. However, those skilled in the art can easily recognize that some features can be omitted in different cases, or can be replaced by other elements, materials, methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and it is not necessary to describe these related operations in detail for those skilled in the art according to the description in the specification and general technical knowledge in the art.

[0018] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate way to form various embodiments, and the operation steps involved in each embodiment can also be sequentially adjusted or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing one embodiment, and do not mean that the composition and / or order is necessary.

[0019] In this paper, the serial numbers of components, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning. Unless otherwise specified, "connection" and "coupling" in the present application include direct and indirect connection (coupling).

[0020] Please refer to Figs. 1-3 The present application provides a return air damper assembly for a dust-free workshop (hereinafter referred to as "the return air damper assembly"), which comprises a first support 1, a second support 2, a first diaphragm 3, and a second diaphragm 4. The first support 1 and the second support 2 are fixedly connected together. The first support 1 has a first mounting through hole 10 that penetrates the first support 2. The second support 2 has a second mounting through hole 20 that penetrates the second support 2. The first diaphragm 3 is pivotally mounted in the first mounting through hole 10 relative to the first support 1. The second diaphragm 4 is pivotally mounted in the second mounting through hole 20 relative to the second support 2. The first diaphragm 3 is used to open or close the first mounting through hole 10. The second diaphragm 4 is used to open or close the second mounting through hole 20.

[0021] In an embodiment of the present application, the return air damper assembly further comprises a first pivot shaft 7 and a second pivot shaft 8. The first pivot shaft 7 is rotatably mounted on the first support 1, and the first diaphragm 3 is fixedly connected to the first pivot shaft 7. When the first pivot shaft 7 rotates relative to the first support 1, the first pivot shaft 7 drives the first diaphragm 3 to pivot, thereby opening or closing the first mounting through hole 10. The second pivot shaft 8 is rotatably mounted on the second support 2, and the second diaphragm 4 is fixedly connected to the second pivot shaft 8. When the second pivot shaft 8 rotates relative to the second support 2, the second pivot shaft 8 drives the second diaphragm 4 to pivot, thereby opening or closing the second mounting through hole 20.

[0022] In an embodiment of the present application, the first pivot shaft 7 and the second pivot shaft 8 rotate simultaneously, and the rotation directions of the first pivot shaft 7 and the second pivot shaft 8 are opposite. In this way, the first diaphragm 3 opens or closes the first mounting through hole 10 synchronously with the second diaphragm 4 opening or closing the second mounting through hole 20.

[0023] In an embodiment of the present application, the return air damper assembly further comprises a first gear 11 and a second gear 12. The first gear 11 is fixedly mounted on the first pivot shaft 7, and the second gear 12 is fixedly mounted on the second pivot shaft 8. The first gear 11 and the second gear 12 are engaged, and the first gear 11 drives the second gear 12 to rotate, or the second gear 12 drives the first gear 11 to rotate. In this way, the first pivot shaft 7 and the second pivot shaft rotate simultaneously, thereby causing the first diaphragm 3 and the second diaphragm 4 to pivot.

[0024] In one embodiment of the present application, the return air damper assembly further comprises a third gear 13 and a fourth gear 14, the third gear 13 is fixedly installed on the first pivot shaft 7, the fourth gear 14 is fixedly installed on the second pivot shaft 8, and the third gear 13 and the fourth gear 14 are engaged, the third gear 13 drives the fourth gear 14 to rotate, or the fourth gear 14 drives the third gear 13 to rotate.

[0025] In one embodiment of the present application, the first support 1 is provided with a first insertion hole 101 and a second insertion hole 102, both of which pass through the first support 1, the two ends of the first pivot shaft 7 pass through the first insertion hole 101 and the second insertion hole 102 respectively, and one end of the first pivot shaft 7 is fixedly installed with a first gear 11, and the other end of the first pivot shaft 7 is fixedly installed with a third gear 13; the second support 1 is provided with a third insertion hole 201 and a fourth insertion hole 202, both of which pass through the second support 2, the two ends of the second pivot shaft 8 pass through the third insertion hole 201 and the fourth insertion hole 202 respectively, and one end of the second pivot shaft 8 is fixedly installed with a second gear 12, and the other end of the second pivot shaft 8 is fixedly installed with a fourth gear 14.

[0026] In one embodiment of the present application, the first diaphragm 3 and the first sleeve 5 are fixedly connected together, the first sleeve 5 is hollow inside, the first pivot shaft 7 is inserted into the first sleeve 5, so that the first pivot shaft 7 and the first sleeve 5 are fixedly installed together; the second diaphragm 4 and the second sleeve 6 are fixedly connected together, the second sleeve 6 is hollow inside, the second pivot shaft 8 is inserted into the second sleeve 6, so that the second pivot shaft 8 and the second sleeve 6 are fixedly installed together.

[0027] In one embodiment of the present application, the manufacturing material of the first diaphragm 3 and the second diaphragm 4 is hard plastic.

[0028] In one embodiment of the present application, the manufacturing material of the first diaphragm 3 and the second diaphragm 4 is metal material.

[0029] It should be noted that the first pivot shaft 7 or the second pivot shaft 8 in the present application is driven by a motor, for example, the motor and the first gear 11 or the second gear 12 are connected by a transmission belt, so as to drive the first pivot shaft 7 and the second pivot shaft 8 to rotate.

[0030] The air return damper for the dust-free workshop has simple structure, is easy to assemble, and has high automation degree; the first pivoting shaft or the second pivoting shaft in the air return damper is driven to rotate by a motor, then the first diaphragm and the second diaphragm drive the first mounting through hole and the second mounting through hole to open or close, so that the flowing gas of the air return pipeline is blocked or communicated, compared with the prior art, the air return damper releases manual work, saves manpower and material resources, and effectively prevents bacteria and other substances from entering the dust-free workshop.

[0031] The above examples are only for illustrating the technical concept and characteristics of the utility model, and the purpose is to enable persons skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit and essence of the utility model shall be covered within the protection scope of the utility model.

Claims

1. A return air damper assembly for a clean room, characterized in that: include: A first support member, a second support member, a first diaphragm, and a second diaphragm, the first support member and the second support member are fixedly connected together, the first support member has a first mounting through hole, and the first mounting through hole passes through the first support member; the second support member has a second mounting through hole, and the second mounting through hole passes through the second support member; the first diaphragm can be pivotally mounted in the first mounting through hole relative to the first support member, and the second diaphragm can be pivotally mounted in the second mounting through hole relative to the second support member; the first diaphragm is used to open or close the first mounting through hole, and the second diaphragm is used to open or close the second mounting through hole.

2. The return air damper assembly for a clean room according to claim 1, characterized in that: It also includes a first pivot shaft and a second pivot shaft, the first pivot shaft is rotatably mounted on the first support member, and the first diaphragm is fixedly connected to the first pivot shaft, when the first pivot shaft rotates relative to the first support member, the first pivot shaft drives the first diaphragm to pivot, thereby opening or closing the first mounting through hole; the second pivot shaft is rotatably mounted on the second support member, and the second diaphragm is fixedly connected to the second pivot shaft, when the second pivot shaft rotates relative to the second support member, the second pivot shaft drives the second diaphragm to pivot, thereby opening or closing the second mounting through hole.

3. The return air damper assembly for a clean room according to claim 2, characterized in that: The first pivot shaft and the second pivot shaft rotate simultaneously, and the rotation directions of the first pivot shaft and the second pivot shaft are opposite, so that the first diaphragm opens or closes the first mounting hole synchronously with the second diaphragm opens or closes the second mounting hole.

4. The return air damper assembly for a clean room according to claim 3, characterized in that: It also includes a first gear and a second gear, the first gear is fixedly mounted on the first pivot shaft, the second gear is fixedly mounted on the second pivot shaft, and the first gear and the second gear are engaged, the first gear drives the second gear to rotate, or the second gear drives the first gear to rotate, so that the first pivot shaft and the second pivot shaft rotate at the same time, thereby causing the first diaphragm and the second diaphragm to pivot.

5. The return air damper assembly for a clean room according to claim 4, characterized in that: It also includes a third gear and a fourth gear, the third gear is fixedly mounted on the first pivot shaft, the fourth gear is fixedly mounted on the second pivot shaft, and the third gear and the fourth gear are engaged, the third gear drives the fourth gear to rotate, or the fourth gear drives the third gear to rotate.

6. The return air damper assembly for a clean room according to claim 5, characterized in that: The first support member is provided with a first insertion hole and a second insertion hole, and the first insertion hole and the second insertion hole are both passed through the first support member, and the two ends of the first pivot shaft pass through the first insertion hole and the second insertion hole respectively, and one end of the first pivot shaft is fixedly installed with a first gear, and the other end of the first pivot shaft is fixedly installed with a third gear; the second support member is provided with a third insertion hole and a fourth insertion hole, and the third insertion hole and the fourth insertion hole are both passed through the second support member, and the two ends of the second pivot shaft pass through the third insertion hole and the fourth insertion hole respectively, and one end of the second pivot shaft is fixedly installed with a second gear, and the other end of the second pivot shaft is fixedly installed with a fourth gear.

7. The return air damper assembly for a clean room according to claim 6, characterized in that: The first diaphragm and the first sleeve are fixedly connected together, the first sleeve is hollow inside, and the first pivot shaft is inserted into the first sleeve, so that the first pivot shaft and the first sleeve are fixedly installed together; the second diaphragm and the second sleeve are fixedly connected together, the second sleeve is hollow inside, and the second pivot shaft is inserted into the second sleeve, so that the second pivot shaft and the second sleeve are fixedly installed together.

8. The return air damper assembly for a clean room according to claim 7, characterized in that: The first diaphragm and the second diaphragm are made of hard plastic.

9. The return air damper assembly for a clean room according to claim 7, characterized in that: The first diaphragm and the second diaphragm are made of metal materials.

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