CN210164673U

CN210164673U - Fan that connection stability is good

Info

Publication number: CN210164673U
Application number: CN201920918619.9U
Authority: CN
Inventors: 时沈祥; 林圣全; 丁云斌; 李学兵
Original assignee: Zhejiang Youbang Integrated Ceiling Co Ltd
Current assignee: Zhejiang Youbang Integrated Ceiling Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-03-20
Anticipated expiration: 2029-06-18

Abstract

The utility model relates to a fan that connection stability is good. The fastener of current fan exposes in the casing, influences connection stability and aesthetic property. The utility model discloses a casing, locate the spiral case in the casing and locate the fan in the spiral case, the fan middle part is equipped with orders about its pivoted motor, be equipped with air intake and air exit on the spiral case, the roof below rigid coupling of casing has the splice bar, the spiral case passes through the connecting plate rigid coupling and is in on the splice bar to make the casing exposed surface level and smooth. The connecting rib fixedly connected with the connecting rib is additionally arranged in the shell, the connecting plate is additionally arranged on the volute and fixedly connected onto the connecting rib through the fastener, so that the fastener is completely hidden in the shell, the condition that the fastener is loosened due to the action of external force is prevented, the connection stability between the connecting plate and the connecting rib is ensured, and the influence on the attractiveness of the shell due to the fact that the fastener is exposed out of the shell is also prevented.

Description

Fan that connection stability is good

Technical Field

The utility model relates to an integrated furred ceiling field, concretely relates to fan.

Background

Integrated ceilings have been widely used by people in the field of interior decoration. The integrated ceiling has the characteristics of convenience in installation, construction and assembly time is effectively saved, and the integrated ceiling is convenient to disassemble and recycle. Existing integrated ceilings include a keel, a trim panel suspended below the keel, and an appliance module mounted above the keel. In order to facilitate air circulation between the indoor space and the outdoor space, the electrical module comprises a fan, the fan comprises a shell, a volute arranged in the shell and a fan which is arranged in the volute and driven by a motor, and because the space above the keel is limited, the volute is generally fixedly connected to a top plate of the shell in order to reduce the thickness of the fan and ensure that an air inlet of the volute has better ventilation performance, and a larger cavity for air circulation is reserved on the back mounting wall side of the volute. However, this structure has the following drawbacks: when the fan is installed, the volute and the shell are locked through the threaded connection of the fastening piece, the end portion of the fastening piece is exposed outside the shell, the fastening piece is prone to loosening under the action of external force, connection stability between the shell and the volute is further affected, appearance cleanliness of the fan is affected due to the fact that the fastening piece is exposed out of the shell, and attractiveness is affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough of prior art, the utility model provides a fan that connection stability is good sets up splice bar and connecting plate in the casing for the fastener is hidden in the casing, has both promoted the connection stability between casing and spiral case, still ensures the casing aesthetic property, promotes to use and experiences.

The utility model discloses a following mode realizes: the utility model provides a fan that connection stability is good, includes the casing, locates the spiral case in the casing and locates the fan in the spiral case, the fan middle part is equipped with orders about its pivoted motor, be equipped with air intake and air exit on the spiral case, the roof below rigid coupling of casing has the splice bar, the spiral case passes through the connecting plate rigid coupling and is in on the splice bar to make the casing exposed surface level and smooth. The connecting rib fixedly connected with the connecting rib is additionally arranged in the shell, the connecting plate is additionally arranged on the volute and fixedly connected onto the connecting rib through the fastener, so that the fastener is completely hidden in the shell, the condition that the fastener is loosened due to the action of external force is prevented, the connection stability between the connecting plate and the connecting rib is ensured, and the influence on the attractiveness of the shell due to the fact that the fastener is exposed out of the shell is also prevented.

Preferably, the connecting plate is fixedly connected to the top surface of the volute, and the connecting plate is mounted in place so that the volute is suspended below the top plate of the housing. The top of the volute is fixedly connected to the bottom surface of the top plate through the connecting plate, so that a buffer space for an air supply flow channel is formed below the volute, and the air flow conveyed by the fan is further ensured.

Preferably, the connecting ribs are in a plurality of long strips which are arranged in parallel, and the top surfaces of the connecting ribs are fixedly connected to the bottom surface of the top plate in a welding mode. The connecting ribs are dispersedly laid on the bottom surface of the top plate, and the connecting stability of the connecting plates is ensured by increasing the number of the connecting points.

Preferably, the connecting plate is provided with a connecting hole, the connecting rib is fixedly connected with a nut, and after the connecting plate is installed in place, the fastener penetrates through the connecting hole from bottom to top and is screwed and locked with the corresponding nut, so that the connecting plate is fixedly connected with the top plate. The fastener and the nut spiro union for connecting plate and splice bar are firmly connected, ensure that the connecting plate is fixed a position in the roof below. The weight of the connecting plate and the upper part thereof is transferred to the connecting rib through the fastener and further transferred to the shell.

Preferably, the middle part of the top surface of the connecting rib is recessed downwards to form a hidden groove, the nut is embedded and hidden in the hidden groove, a through hole which is vertically communicated is formed in the bottom of the hidden groove, and the fastening piece penetrates through the through hole from bottom to top and is in threaded connection and locking with the nut. Hide the groove and provide hidden space for the fastener tip, the condition that can't the spiro union locking takes place for the fastener effectively to prevent because of interfering with the casing, ensures fastener and nut matching spiro union, still plays limiting displacement to the nut, ensures that the fastener can match the spiro union with the nut after passing through the splice bar.

Preferably, the nut is welded and fixed in the hiding groove, so that the axis of the nut and the axis of the through hole are overlapped. The nut welding is hidden the inslot, prevents that the nut from taking place the condition that the fastener can't match the spiro union with the nut hiding the inslot skew, in addition, because the space of hiding the groove is less, the use tools of being not convenient for limit the commentaries on classics location to the nut, with nut welded fastening at hiding the inslot, the person of facilitating the use realizes through rotatory fastener and nut spiro union, promotes assembly efficiency.

Preferably, the connecting rib is in a shape of a letter 21274and is provided with a hidden groove which is opened upwards, edges of two sides of the connecting rib are bent outwards to form folded edges which are attached to the bottom surface of the top plate, and the folded edges form welding points fixedly connected with the shell. The hem matches with the roof bottom surface and laminates and welded fastening, ensures that all nuts can match the alignment with the connecting hole that corresponds, makes things convenient for the fastener to wear to put the spiro union. In addition, the connecting ribs have better deformation resistance, so that the deformation resistance of the shell is improved, and the top plate of the shell can bear the vertical acting force from the volute.

Preferably, the periphery of the top surface of the volute is provided with a connecting lug, and the volute is fixedly connected to the bottom surface of the connecting plate through a bolt penetrating through the connecting lug. The bolt passes through the engaging lug and locks with the connecting plate spiro union, and the vertical projection of engaging lug and the vertical projection of splice bar are the dislocation set each other for form the dodging space that supplies the bolt tip to plant between adjacent splice bar.

Preferably, the housing comprises a body with an opening at the bottom and a bottom plate covering the opening, and the connecting plate passes through the opening and is fixedly connected to the inner wall of the housing. The volute and the connecting plate are installed in the body through the opening, and the opening is covered through the bottom plate. The bottom plate is provided with an opening communicated with the inner cavity of the shell, and outside air enters the cavity through the opening.

Preferably, the periphery of the bottom surface of the body extends outwards to form an annular edge, and after the annular edge is installed in place, the annular edge is attached and fixedly connected with the periphery of the top surface of the bottom plate. The annular edge is matched and lapped on the periphery of the bottom plate and is fixedly connected through bolts.

The utility model has the advantages that: the connecting rib fixedly connected with the connecting rib is additionally arranged in the shell, the connecting plate is additionally arranged on the volute and fixedly connected onto the connecting rib through the fastener, so that the fastener is completely hidden in the shell, the condition that the fastener is loosened due to the action of external force is prevented, the connection stability between the connecting plate and the connecting rib is ensured, and the influence on the attractiveness of the shell due to the fact that the fastener is exposed out of the shell is also prevented.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic structural view of the blower with the body removed;

in the figure: 1. volute, 2, fan, 3, splice bar, 4, connecting plate, 5, roof, 6, hide the groove, 7, hem, 8, engaging lug, 9, bottom plate, 10, body, 11, annular limit.

Detailed Description

The essential features of the invention will be further explained below with reference to the drawings and the detailed description of the invention.

As shown in fig. 1, a fan that connection stability is good, by the casing, locate spiral case 1 in the casing and locate 2 subassemblies of fan in the

spiral case

1, 2 middle parts of fan are equipped with orders about its pivoted motor, be equipped with air intake and air exit on the spiral case 1, its characterized in that, 5 below rigid couplings of roof of casing have splice bar 3, spiral case 1 passes through connecting plate 4 rigid coupling and is in on the splice bar 3 to make the casing exposed surface level and smooth.

In practice, the connecting rib 3 is welded to the bottom surface of the top plate 5, so that the connecting rib 3 forms an application point for the screw-fastening of the fastening element. During installation, firstly, the nuts are welded in the hidden grooves 6, and then the connecting ribs 3 are welded on the shell, so that the positions of the nuts correspond to the connecting holes in the connecting plate 4 one by one; then, assembling the connecting plate 4 with the body 10, and fixedly connecting the connecting plate below the connecting rib 3 through a fastener; then, the volute 1 is fixedly connected below the connecting plate 4 through bolts, so that the volute 1 is suspended in the body 10; and finally, covering the floor on the opening, and fixedly connecting the annular edge 11 with the periphery of the bottom plate 9 in a matched manner through bolts. Realize the fan assembly through above-mentioned step, accomplish the assembly back for the fastener and the bolt of rigid coupling casing and spiral case 1 are all hidden in the casing, have both ensured that casing and spiral case 1 are connected stably, still ensure that body 10 exposed face is level and smooth, promote the aesthetic property.

In actual operation, the connecting rib 3 is shaped like a letter 21274, and is provided with a hidden groove 6 which is opened upwards, two side edges of the connecting rib 3 are bent outwards to form folded edges 7 which are attached to the bottom surface of the top plate 5, and the folded edges 7 form welding points which are fixedly connected with the shell. The connecting ribs 3 are in a plurality of long strips which are arranged in parallel, and the top surfaces of the connecting ribs 3 are fixedly connected to the bottom surface of the top plate 5 in a welding mode. Hide groove 6 and provide the space of inserting for the fastener tip, form the space of inserting for the bolt tip between adjacent splice bar 3, ensure that can the spiro union locking between splice bar 3 and connecting plate 4, between connecting plate 4 and spiral case 1.

Specifically, splice bar 3 is three (as shown in fig. 2), splice bar 3 is parallel to each other and equidistance branch ground rigid coupling on the bottom surface of roof 5, ensures that each region homoenergetic of connecting plate 4 passes through fastener and the 3 rigid couplings of corresponding splice bar, ensures to connect stability. The number and the position of the connecting ribs 3 can be adjusted according to actual conditions, and the utility model is also regarded as a specific embodiment of the utility model.

In actual operation, it is all fixed through the welding mode between splice bar 3 and casing, nut and splice bar 3, in addition, can also be through sticky mode, buckle mode rigid coupling, also should regard as the utility model discloses a specific embodiment.

In practical operation, a connecting hole is formed in the connecting plate 4, a nut is fixedly connected to the connecting rib 3, and after the connecting plate is installed in place, a fastener penetrates through the connecting hole from bottom to top and is in threaded connection and locking with the corresponding nut, so that the connecting plate 4 is fixedly connected with the top plate 5. In addition, can set up the screw on hiding the groove diapire of groove 6 for the fastener is direct after passing through the connecting hole with the screw spiro union, should also regard as the utility model discloses a specific embodiment.

In practical operation, the connecting plate 4 is fixedly connected to the top surface of the volute 1, and after the connecting plate 4 is installed in place, the volute 1 is suspended below the top plate 5 of the casing. The periphery of the top surface of the volute 1 is provided with a connecting lug 8, and the volute 1 is fixedly connected to the bottom surface of the connecting plate 4 through a bolt penetrating through the connecting lug 8. The engaging lug 8 encircles the top surface periphery setting of spiral case 1, and the vertical projection of engaging lug 8 and the vertical projection of spiral case 1 each other are the dislocation set, have both ensured that engaging lug 8 below has assembly bolt's operating space, still ensure that spiral case 1 top surface can match the laminating with 4 bottom surfaces of connecting plate, reduce the vibration when moving through reducing the fit-up gap, and then reduce the running noise.

In actual operation, the middle part of the top surface of the connecting rib 3 is downwards sunken to form a hidden groove 6, the nut is embedded and hidden in the hidden groove 6, a through hole which is vertically communicated is formed at the bottom of the hidden groove 6, and the fastening piece penetrates through the through hole from bottom to top and is screwed and locked with the nut. The nut is welded and fixed in the hidden groove 6, so that the axis of the nut and the axis of the through hole are mutually overlapped. The height of the hidden groove 6 meets the requirement of accommodating the nut, also meets the requirement that the end part of the fastener penetrates through the nut and is exposed, and prevents the shell from deforming due to the collision with the end part of the fastener.

In practical operation, the housing comprises a body 10 with an opening at the bottom and a bottom plate 9 covering the opening, and the connecting plate 4 passes through the opening and is fixedly connected to the inner wall of the housing. The periphery of the bottom surface of the body 10 extends outwards to form an annular edge 11, and after the annular edge 11 is installed in place, the periphery of the top surface of the bottom plate 9 is attached and fixedly connected with the annular edge 11. Annular edge 11 and 9 peripheries of bottom plate both can be through the screw rigid coupling, can also be through the buckle rigid coupling, all should regard as the utility model discloses a specific embodiment.

Claims

1. The utility model provides a fan that connection stability is good, includes the casing, locates spiral case (1) in the casing and locate fan (2) in spiral case (1), fan (2) middle part is equipped with orders about its pivoted motor, be equipped with air intake and air exit on spiral case (1), its characterized in that, roof (5) below rigid coupling of casing has splice bar (3), spiral case (1) is in through connecting plate (4) rigid coupling on splice bar (3) to make the casing exposed surface level and smooth.

2. The blower with good connection stability according to claim 1, wherein the connection plate (4) is fixedly connected to the top surface of the volute (1), and after the connection plate (4) is installed in place, the volute (1) is suspended below the top plate (5) of the housing.

3. The fan with good connection stability according to claim 2, wherein the connection ribs (3) are a plurality of long bars arranged in parallel, and the top surfaces of the connection ribs (3) are fixedly connected to the bottom surface of the top plate (5) by welding.

4. The fan with good connection stability as claimed in claim 1, wherein the connection plate (4) is provided with a connection hole, the connection rib (3) is fixedly connected with a nut, and after the fan is installed in place, a fastener passes through the connection hole from bottom to top and is screwed and locked with the corresponding nut, so that the connection plate (4) is fixedly connected with the top plate (5).

5. The fan with good connection stability according to claim 4, wherein the middle part of the top surface of the connecting rib (3) is recessed downwards to form a hidden groove (6), the nut is embedded and hidden in the hidden groove (6), a through hole which is vertically communicated is formed at the bottom of the hidden groove (6), and the fastening piece passes through the through hole from bottom to top and is screwed and locked with the nut.

6. The blower with good connection stability according to claim 5, wherein the nut is welded and fixed in the hidden groove (6) so that the axis of the nut and the axis of the perforation are coincident with each other.

7. The fan with good connection stability according to claim 5, wherein the connecting rib (3) is in a shape of a letter 21274and is provided with a hidden groove (6) which is opened upwards, edges of two sides of the connecting rib (3) are bent outwards to form a folded edge (7) which is attached to the bottom surface of the top plate (5), and the folded edge (7) forms a welding point which is fixedly connected with the shell.

8. The blower with good connection stability according to any one of claims 1-7, wherein the periphery of the top surface of the volute (1) is provided with a connecting lug (8), and the volute (1) is fixedly connected to the bottom surface of the connecting plate (4) through a bolt penetrating through the connecting lug (8).

9. The blower with good connection stability according to claim 8, wherein the housing comprises a body (10) with an opening at the bottom and a bottom plate (9) covering the opening, and the connecting plate (4) passes through the opening and is fixedly connected to the inner wall of the housing.

10. The blower with good connection stability as claimed in claim 9, wherein the periphery of the bottom surface of the body (10) extends outwards to form an annular edge (11), and after the annular edge (11) is mounted in place, the annular edge is attached and fixedly connected with the periphery of the top surface of the bottom plate (9).