Shell assembly of waste exhaust fan

Abstract

The utility model relates to the technical field of waste exhaust fan shells, in particular to a waste exhaust fan shell assembly which comprises a shell structure, and storage structures are symmetrically arranged on the two sides of the lower portion of the shell structure. The shell structure comprises a main shell, three long strip blocks are evenly arranged on the outer wall of the main shell, a lead screw is inserted into the long strip blocks in a penetrating mode, a nut pair is connected to the outer wall of one end of the lead screw, a gear is fixedly installed on the outer wall of the nut pair, and a gear ring is meshed with the outer wall of the gear. A slave shell is fixedly installed at the end, away from the long strip block, of the lead screw. Before the waste exhaust fan shell assembly is transported, the auxiliary shell is contained on the outer surface of the main shell, the overall occupied space of the shell assembly is reduced, the number of single-time transportation is increased, and the transportation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to exhaust fan shell technical field, concretely is a shell assembly of exhaust fan. BACKGROUND

[0002] In order to improve the air environment quality in the car, air renewal, convection devices are designed, such as exhaust fans are generally installed at the roof of the car to exhaust the exhaust gas in the car.

[0003] However, the shell of the existing exhaust fan is directly welded by multiple parts, and when the shell of the exhaust fan is transported, the shell of the exhaust fan cannot be shrunk, the space in the car is limited, and the exhaust fan occupies a large space when stacked, so that the number of single transportation is less, and multiple transportation is required subsequently. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a shell assembly of exhaust fan to solve the problem that the shell of the exhaust fan cannot be shrunk in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a shell assembly of exhaust fan, comprising:

[0006] The shell structure is symmetrically provided with a receiving structure below both sides;

[0007] The shell structure comprises a main shell, the outer wall of the main shell is uniformly provided with three long blocks, the inside of the long block is inserted with a lead screw, one end of the lead screw is connected with a nut pair outside the wall, the outer wall of the nut pair is fixedly installed with a gear, the outer wall of the gear is engaged with a gear ring, and a slave shell is fixedly installed at one end of the lead screw away from the long block.

[0008] Preferably, the receiving structure comprises a fixed block, the inner side of the fixed block is fixedly connected with a fixed rod, the outer wall of the fixed rod is connected with a support plate, and the inside of one end of the support plate away from the fixed rod is symmetrically penetrated with a plug rod.

[0009] Preferably, the main shell is provided with a groove corresponding to the size of the support plate, and the long block is fixedly connected with the main shell.

[0010] Preferably, the lead screw is slidingly connected with the long block, and the gear is rotatably connected with the long block.

[0011] Preferably, the gear ring is rotatably connected with the main shell, and the slave shell is slidingly connected with the main shell.

[0012] Preferably, the fixed block is fixedly connected with the main shell, and the fixed block and the support plate are both provided with a hole corresponding to the size of the plug rod away from the fixed rod.

[0013] Preferably, the support plate is rotatably connected with the fixing rod, and a hole is formed in the end of the support plate away from the fixing rod and corresponds to the size of the inserting rod.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The novel waste exhaust fan shell assembly can directly rotate the gear ring before transportation, the gear ring drives the gear to rotate, the gear drives the nut pair to rotate, the nut pair drives the lead screw to move towards the long strip block, the long strip block drives the from shell to move towards the long strip block, so that the from shell is accommodated on the outer surface of the main shell, the occupied space of the shell assembly as a whole is reduced, the number of single transportation is improved, and the transportation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an overall structure front view of the utility model;

[0017] Figure 2 It is an overall structure cross section view of the utility model;

[0018] Figure 3 It is an overall structure front view of the utility model; Figure 2 It is an A part structure view of the utility model;

[0019] Figure 4 It is an explosion view of the shell structure of the utility model;

[0020] Figure 5 It is an explosion view of the accommodation structure of the utility model.

[0021] In the figure: 01, shell structure; 11, main shell; 12, long strip block; 13, lead screw; 14, nut pair; 15, gear; 16, gear ring; 17, from shell; 02, accommodation structure; 21, fixed block; 22, fixing rod; 23, support plate; 24, inserting rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Referring to Figures 1-5 In one embodiment of the utility model, the nut pair 14 used in the application is a product that can be directly purchased on the market, and its principle and connection mode are existing technologies well known to those skilled in the art, so they will not be described here.

[0024] It comprises a shell structure 01, and two symmetrical receiving structures 02 are arranged on the lower sides of the shell structure 01.

[0025] The shell structure 01 comprises a main shell 11, and three long blocks 12 are uniformly arranged on the outer wall of the main shell 11. A lead screw 13 is inserted into the long blocks 12, one end of the lead screw 13 is connected with a nut pair 14, the outer wall of the nut pair 14 is fixedly provided with a gear 15, the gear 15 can drive the nut pair 14 to rotate, the outer wall of the gear 15 is engaged with a tooth ring 16, the tooth ring 16 can drive the gear 15 to rotate, and a slave shell 17 is fixedly installed at the end of the lead screw 13 away from the long blocks 12.

[0026] Further, the receiving structure 02 comprises a fixed block 21, the inner side of the fixed block 21 is fixedly connected with a fixed rod 22, the outer wall of the fixed rod 22 is connected with a support plate 23, and the end of the support plate 23 away from the fixed rod 22 is symmetrically penetrated by an insertion rod 24. The insertion rod 24 can be inserted into the hole at the end of the support plate 23 away from the fixed rod 22, so as to limit the support plate 23.

[0027] Further, the main shell 11 is provided with a groove corresponding to the size of the support plate 23, and the long blocks 12 are fixedly connected with the main shell 11, so as to ensure the firmness of the position of the long blocks 12.

[0028] Further, the lead screw 13 is slidably connected with the long blocks 12, so as to ensure that the long blocks 12 do not affect the sliding of the lead screw 13, the gear 15 is rotatably connected with the long blocks 12, so as to ensure that the long blocks 12 do not affect the rotation of the gear 15, and the rotation of the gear 15 can drive the nut pair 14 to rotate.

[0029] Further, the tooth ring 16 is rotatably connected with the main shell 11, so as to ensure that the main shell 11 does not affect the rotation of the tooth ring 16, the rotation of the tooth ring 16 can drive the gear 15 to rotate, the slave shell 17 is slidably connected with the main shell 11, so as to ensure that the main shell 11 does not affect the movement of the slave shell 17, the slave shell 17 is accommodated on the surface of the main shell 11, and the occupied space is reduced.

[0030] Further, the fixed block 21 is fixedly connected with the main shell 11, ensuring the firmness of the position of the fixed block 21, and the fixed block 21 and the support plate 23 are both provided with holes corresponding to the size of the insertion rod 24 at the end away from the fixed rod 22, so that the insertion rod 24 can be inserted through the holes of the fixed block 21 and the support plate 23 at the end away from the fixed rod 22 to limit the support plate 23.

[0031] Further, the support plate 23 is rotatably connected with the fixed rod 22, facilitating the storage of the protruding support plate 23, and the support plate 23 is provided with holes corresponding to the size of the insertion rod 24 at the end away from the fixed rod 22, so that the insertion rod 24 can be inserted through the holes of the support plate 23 at the end away from the fixed rod 22 to limit the support plate 23.

[0032] Working principle: in use, the tooth ring 16 is rotated, the tooth ring 16 drives the gear 15 to rotate, the gear 15 drives the nut pair 14 to rotate, the nut pair 14 drives the lead screw 13 to move towards the long strip block 12, the long strip block 12 drives the shell 17 to move towards the long strip block 12, so that the shell 17 is stored on the outer surface of the main shell 11, the insertion rod 24 can be pulled out from the holes of the fixed block 21 and the support plate 23 at the end close to the fixed rod 22, the support plate 23 is turned to be attached to the main shell 11, the end away from the fixed rod 22 is clamped into the groove of the main shell 11, and the insertion rod 24 is inserted through the holes of the two support plates 23 at the end away from the fixed rod 22 to limit the support plate 23. The above is the whole working principle of the utility model.

[0033] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-restrictive in any aspect, and the scope of the utility model is defined by the appended claims rather than the above description, so as to include all changes falling within the meaning and scope of the equivalent elements of the claims in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A housing assembly for a waste exhaust fan, characterized in that, include: A shell structure (01) is provided with storage structures (02) symmetrically arranged on both sides of the lower part of the shell structure (01); The shell structure (01) includes a main shell (11). Three long strips (12) are evenly arranged on the outer wall of the main shell (11). A lead screw (13) is inserted inside the long strip (12). A nut pair (14) is connected to the outer wall of one end of the lead screw (13). A gear (15) is fixedly installed on the outer wall of the nut pair (14). A gear ring (16) meshes on the outer wall of the gear (15). A secondary shell (17) is fixedly installed at the end of the lead screw (13) away from the long strip (12).

2. The housing assembly of a waste exhaust fan according to claim 1, characterized in that: The storage structure (02) includes a fixing block (21), a fixing rod (22) is fixedly connected to the inner side of the fixing block (21), a support plate (23) is connected to the outer wall of the fixing rod (22), and a plug rod (24) is symmetrically inserted through the end of the support plate (23) away from the fixing rod (22).

3. The housing assembly of a waste exhaust fan according to claim 1, characterized in that: The main housing (11) has a groove corresponding to the size of the support plate (23), and the long strip (12) is fixedly connected to the main housing (11).

4. The housing assembly of a waste exhaust fan according to claim 1, characterized in that: The lead screw (13) is slidably connected to the long strip (12), and the gear (15) is rotatably connected to the long strip (12).

5. The housing assembly of a waste exhaust fan according to claim 1, characterized in that: The toothed ring (16) is rotatably connected to the main housing (11), and the secondary housing (17) is slidably connected to the main housing (11).

6. The housing assembly of a waste exhaust fan according to claim 2, characterized in that: The fixing block (21) is fixedly connected to the main housing (11), and the fixing block (21) and the support plate (23) are both provided with holes at the ends away from the fixing rod (22) corresponding to the size of the insertion rod (24).

7. The housing assembly of a waste exhaust fan according to claim 2, characterized in that: The support plate (23) is rotatably connected to the fixing rod (22), and the end of the support plate (23) away from the fixing rod (22) has a hole corresponding to the size of the insertion rod (24).

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