CN214501554U

CN214501554U - One-way flow fresh air machine shell

Info

Publication number: CN214501554U
Application number: CN202120253012.0U
Authority: CN
Inventors: 竺陆玮; 喻森
Original assignee: Zhejiang Tuoli Environmental Technology Co ltd
Current assignee: Zhejiang Tuoli Environmental Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-10-26
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a uniflow new fan casing, including casing main part and access door, be equipped with the access hole in the casing main part, be equipped with stop device on the outer wall of casing main part, stop device includes that two set up the gag lever post that both sides and are parallel to each other about the access hole respectively, the gag lever post is including fixing the fixed part in the casing main part, with the perpendicular part of the perpendicular setting of fixed part and with fixed parallel arrangement's parallel portion, form the spout between the outer wall of parallel portion and casing main part, the upper and lower both ends of access door are pegged graft with the spout of two gag lever posts respectively, still be fixed with two pin on the outer wall of casing main part, two pin set up the left and right sides at stop device respectively, be fixed with the handle on the access door, be equipped with the groove of gripping on the handle. The utility model discloses the upper and lower both ends of well access door can slide in the spout to open the access hole or close, the access door is connected always in the casing main part, need not to increase maintenance efficiency with the access door from taking off.

Description

One-way flow fresh air machine shell

Technical Field

The utility model belongs to the technical field of new fan, concretely relates to uniflow new fan casing.

Background

The fresh air machine is an effective air purification device, can circulate indoor air, on one hand, exhausts indoor dirty air outdoors, on the other hand, inputs outdoor fresh air into the room after measures such as sterilization, disinfection, filtration and the like, and ensures that the room is always fresh and clean air.

Be equipped with the access hole on the new fan's of current uniflow casing, there is the access door that can open or close the access hole through bolted connection on the casing, when needs overhaul, back is unscrewed the bolt, and the access door is dismantled and is got off and need look for the place and place, influences maintenance efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a uniflow new fan casing can be when opening the access door, with on the access door restriction casing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a uniflow new fan casing, includes casing main part and access door, is equipped with the access hole in the casing main part, be equipped with stop device on the outer wall of casing main part, stop device includes two gag lever posts that set up both sides and be parallel to each other about the access hole respectively, the gag lever post including fix on the casing main part fixed part, with the perpendicular portion of fixed part perpendicular setting and with fixed parallel arrangement's parallel portion, form the spout between the outer wall of parallel portion and casing main part, the upper and lower both ends of access door are pegged graft with the spout of two gag lever posts respectively.

Furthermore, the outer wall of the shell body is further fixed with two stop levers, and the two stop levers are respectively arranged on the left side and the right side of the limiting device.

Furthermore, a handle is fixed on the access door, and a holding groove is formed in the handle.

Further, the side of the holding groove facing the access door is fixed with a fixed column, the fixed column is provided with a telescopic groove with an opening facing the access door, a positioning rod is inserted in the telescopic groove, a positioning plate is fixed on the positioning rod close to the access opening, a positioning hole for the positioning rod to be inserted is formed in the positioning plate, and when the positioning rod is inserted in the positioning hole, the access opening is closed by the access door.

Further, an extension spring is installed in the extension groove, one end of the extension spring is fixedly connected with the bottom surface of the extension groove, and the other end of the extension spring is fixedly connected with one end of the positioning rod extending into the extension groove.

Further, be equipped with the vertical groove that extends along vertical direction on the handle, install the slider in the vertical groove, the slider can remove along vertical direction relative vertical groove, be equipped with the connecting rod between slider and the locating lever, the one end and the slider of connecting rod are articulated, and the other end is articulated with the locating lever.

Furthermore, side rods are fixed on the left side and the right side of the sliding block, and side grooves for the insertion of the side rods are formed in the left side wall and the right side wall of the vertical groove.

Furthermore, a plurality of anti-skid protrusions are arranged on the side face, back to the access door, of the sliding block.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the upper end and the lower end of the access door can slide in the sliding grooves, so that the access opening is opened or closed, the access door is always connected to the shell body, the access door does not need to be taken down, and the access efficiency is improved;

(2) when the locating lever needs to be moved out of the locating hole, the handle is held firstly, then the sliding block is pushed upwards by the thumb, the sliding block can drive the locating lever to move towards the telescopic slot through the connecting rod, so that the locating lever is moved out of the locating hole, the access door can be opened, and the maintenance door is very convenient.

Drawings

Fig. 1 is a schematic structural view of a housing of a unidirectional flow fresh air machine (when an access door is opened) of the utility model;

FIG. 2 is a schematic structural view of a housing of a unidirectional flow fresh air machine (when an access door is closed) according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at I;

FIG. 4 is a cross-sectional view of FIG. 3;

fig. 5 is a schematic structural view of the one-way flow new fan casing at another angle of the present invention.

In the figure: 1. an access door; 2. a grip; 3. an access hole; 4. a limiting rod; 5. a stop lever; 6. a housing main body; 7. anti-skid projections; 8. a slider; 9. a vertical slot; 10. a connecting rod; 11. positioning a rod; 12. positioning plates; 13. a holding groove; 14. fixing a column; 15. a side groove; 16. a side lever; 17. a telescopic groove; 18. a tension spring; 19. a fixed part; 20. a vertical portion; 21. a parallel portion; 22. a chute; 23. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution of a unidirectional flow fresh air blower housing: as shown in fig. 1 and 5, a one-way flow fresh air machine shell comprises a shell body 6 and an access door 1, wherein the shell body 6 is provided with an access opening 3, the outer wall of the shell body 6 is provided with a limiting device, the limiting device comprises two limiting rods 4 which are respectively arranged at the upper side and the lower side of the access opening 3 and are parallel to each other, the limiting rods 4 comprise fixing parts 19 fixed on the shell body 6, vertical parts 20 vertically arranged with the fixing parts 19 and parallel parts 21 fixedly arranged in parallel, sliding grooves 22 are formed between the parallel parts 21 and the outer wall of the shell body 6, and the upper end and the lower end of the access door 1 are respectively inserted into the sliding grooves 22 of the two limiting rods 4; the upper and lower both ends of access door 1 can slide in spout 22 to open access hole 3 or close, access door 1 is connected always on casing main part 6, need not to follow access door 1 and takes off, increases maintenance efficiency.

As shown in fig. 1 and 3, two stop rods 5 are further fixed on the outer wall of the housing main body 6, the two stop rods 5 are respectively arranged on the left side and the right side of the limiting device, and the access door 1 can be limited in the sliding groove 22 by the stop rods 5, so that the access door 1 is prevented from moving out of the sliding groove 22 and falling off from the housing main body 6.

As shown in fig. 3 and 4, a handle 2 is fixed on the access door 1, a holding groove 13 is arranged on the handle 2, a fixed column 14 is fixed on the side surface of the holding groove 13 facing the access door 1, a telescopic groove 17 with an opening facing the access door 1 is arranged on the fixed column 14, a positioning rod 11 is inserted in the telescopic groove 17, a positioning plate 12 is fixed on the positioning rod 11 close to the access door 3, a positioning hole 23 for inserting the positioning rod 11 is arranged on the positioning plate 12, and when the positioning rod 11 is inserted in the positioning hole 23, the access door 1 closes the access door 3; when the access door 1 needs to be opened, the access door 1 can be opened only by moving the positioning rod 11 out of the positioning hole 23.

As shown in fig. 4, in order to prevent the positioning rod 11 from freely moving in the telescopic slot 17, a telescopic spring 18 is installed in the telescopic slot 17, one end of the telescopic spring 18 is fixedly connected with the bottom surface of the telescopic slot 17, the other end of the telescopic spring is fixedly connected with one end of the positioning rod 11 extending into the telescopic slot 17, and when the positioning rod 11 is inserted into the positioning hole 23, the telescopic spring 18 is in an original length state; moving the detent lever 11 out of the detent hole 23 requires overcoming the resilient force of the extension spring 18.

Continuing to refer to fig. 4, a vertical groove 9 extending along the vertical direction is arranged on the handle 2, a sliding block 8 is arranged in the vertical groove 9, the sliding block 8 can move along the vertical direction relative to the vertical groove 9, a connecting rod 10 is arranged between the sliding block 8 and the positioning rod 11, one end of the connecting rod 10 is hinged with the sliding block 8, and the other end of the connecting rod 10 is hinged with the positioning rod 11; when the positioning rod 11 needs to be moved out of the positioning hole 23, the handle 2 is held firstly, then the sliding block 8 is pushed upwards by a thumb, the sliding block 8 can drive the positioning rod 11 to move towards the telescopic groove 17 through the connecting rod 10, so that the positioning rod 11 is moved out of the positioning hole 23, and the access door 1 can be opened.

As shown in fig. 3, the lower surface, the sliding block 8 and the vertical groove 9 are in a sliding mode, side rods 16 are fixed on the left side and the right side of the sliding block 8, side grooves 15 for the side rods 16 to be inserted are arranged on the left side wall and the right side wall of the vertical groove 9, and the side rods 16 can move up and down in the side grooves 15, so that the sliding block 8 is limited in the vertical groove 9.

Continuing to refer to fig. 3, the side of the sliding block 8, which faces away from the access door 1, is provided with a plurality of anti-skid protrusions 7, and the anti-skid protrusions 7 can increase the friction force when the thumb pushes the sliding block 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a new fan casing of uniflow, includes casing main part and access door, is equipped with access hole, its characterized in that in the casing main part: the outer wall of the shell body is provided with a limiting device, the limiting device comprises two limiting rods which are arranged on the upper side and the lower side of the access hole respectively and are parallel to each other, the limiting rods comprise fixing parts fixed on the shell body, vertical parts vertically arranged with the fixing parts and parallel parts fixedly arranged in parallel, sliding grooves are formed between the parallel parts and the outer wall of the shell body, and the upper end and the lower end of the access door are connected with the sliding grooves of the two limiting rods in an inserting mode respectively.

2. A one-way flow fresh air machine housing according to claim 1, wherein: the outer wall of the shell body is further fixed with two stop levers, and the two stop levers are respectively arranged on the left side and the right side of the limiting device.

3. A one-way flow fresh air machine housing according to claim 2, wherein: a handle is fixed on the access door, and a holding groove is formed in the handle.

4. A one-way flow fresh air machine housing according to claim 3, wherein: the side of the holding groove facing the access door is fixed with a fixed column, the fixed column is provided with a telescopic groove with an opening facing the access door, a positioning rod is inserted in the telescopic groove and is close to the positioning rod of the access door, the positioning plate is fixed with a positioning plate, the positioning plate is provided with a positioning hole for the positioning rod to be inserted, and when the positioning rod is inserted in the positioning hole, the access door closes the access door.

5. A unidirectional flow fresh air machine housing as claimed in claim 4 wherein: the telescopic groove is internally provided with a telescopic spring, one end of the telescopic spring is fixedly connected with the bottom surface of the telescopic groove, and the other end of the telescopic spring is fixedly connected with one end of the positioning rod extending into the telescopic groove.

6. A unidirectional flow fresh air machine housing as claimed in claim 5 wherein: the handle is provided with a vertical groove extending along the vertical direction, a sliding block is installed in the vertical groove, the sliding block can move along the vertical direction relative to the vertical groove, a connecting rod is arranged between the sliding block and the positioning rod, one end of the connecting rod is hinged to the sliding block, and the other end of the connecting rod is hinged to the positioning rod.

7. A one-way flow fresh air machine housing according to claim 6, wherein: side rods are fixed on the left side and the right side of the sliding block, and side grooves for the insertion of the side rods are formed in the left side wall and the right side wall of the vertical groove.

8. A one-way flow fresh air machine housing according to claim 6, wherein: the side of the sliding block, which faces away from the access door, is provided with a plurality of anti-skid protrusions.