Connecting and fixing structure of air blower shell

Abstract

The utility model discloses a connecting and fixing structure of an air blower shell, which comprises a main body unit, the main body unit comprises an air blower main body and a mounting base, the upper end of the mounting base is symmetrically provided with a plurality of threaded holes, and the air blower main body is fixedly mounted with the mounting base through a plurality of second bolts; the air blower comprises an air blower body, two fixing blocks are symmetrically arranged at the lower end of the air blower body, two grooves matched with the fixing blocks are symmetrically formed in the upper end of a mounting base, and two clamping holes are symmetrically formed in each fixing block. A push plate is driven to move back to back through arrangement of a rotating rod, a rotating gear and a sliding toothed plate, a clamping block is driven to move back to back through the push plate and is inserted into a clamping hole, the air blower body can be further limited and fixed through the clamping block and the clamping hole, loosening and even falling off are avoided, and therefore the fixing effect of the air blower shell is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of blowers, in particular to a connection and fixing structure of a blower shell. Background Art

[0002] The blower is mainly composed of the following six parts: motor, air filter, blower body, air chamber, base (also oil tank), and oil drip nozzle. The blower operates by the eccentric rotor offset in the cylinder, and the volume change between the blades in the rotor slot causes the air to be sucked in, compressed, and expelled.

[0003] Existing blower housing designs generally rely on bolts for fastening and installation. However, during the daily operation of the blower, it will produce continuous vibration. This long-term and continuous vibration will gradually weaken the fastening force of the bolts, causing them to loosen or even fall off, thus significantly reducing the fixing effect of the blower housing.

[0004] Therefore, a connection and fixing structure of a blower housing is needed to solve the above problems. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above-mentioned problem of the connection and fixing structure of the blower housing, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a connection and fixing structure of the blower housing, which is used to solve the problem that the existing blower housing design generally relies on bolts for fastening and installation. However, during the daily operation of the blower, it will produce continuous vibration. This long-term and continuous vibration will gradually weaken the fastening force of the bolts, causing them to loosen or even fall off, thereby significantly reducing the fixing effect of the blower housing.

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions: a connection and fixing structure of a blower housing, comprising:

[0009] A main unit, the main unit comprises a blower body and a mounting base, a plurality of threaded holes are symmetrically provided on the upper end of the mounting base, the blower body is fixedly mounted to the mounting base by a plurality of No. 2 bolts, two fixing blocks are symmetrically provided on the lower end of the blower body, two grooves matching the fixing blocks are symmetrically provided on the upper end of the mounting base, two clamping holes are symmetrically provided on each of the fixing blocks, and a cavity is provided at the center of the mounting base;

[0010] A limit assembly, which includes a fixed box, which is fixedly connected to the side wall of the mounting base, a worm rotatably connected to the inner wall of the fixed box, a worm gear meshingly connected to the worm gear, a rotating rod fixedly inserted at the center of the worm gear, two rotating gears fixedly sleeved on the rotating rod, each of the rotating gears meshingly connected to a sliding tooth plate at both ends, each of the sliding tooth plates having a push plate fixedly connected at one opposite end, each of the push plates having a card block fixedly connected at one opposite side, and each of the card blocks having a card hole passing through the cavity and the card hole at one opposite end.

[0011] As a preferred solution of the connection and fixing structure of the blower casing of the utility model, the upper end of the worm screw penetrates the upper end of the fixing box and is fixedly connected with a handle, and the worm screw is rotatably connected to the inner wall of the fixing box.

[0012] As a preferred solution of the connection and fixing structure of the blower casing described in the utility model, one end of the rotating rod is rotatably connected to the inner wall of the fixed box, the other end of the rotating rod passes through the fixed box and the mounting base and is rotatably connected to the inner wall of the cavity, and the rotating rod is rotatably connected in the inner wall of the fixed box and the mounting base.

[0013] As a preferred solution of the connection and fixing structure of the blower casing described in the utility model, wherein: the opposite ends of the multiple sliding tooth plates are fixedly connected to the limit blocks, a plurality of sliding grooves are symmetrically opened on the inner wall of the cavity, each of the sliding grooves is fixedly connected to a sliding rod, and each of the limit blocks is slidably sleeved on the sliding rod.

[0014] As a preferred solution of the connection and fixing structure of the blower casing described in the utility model, the upper ends of the two fixing blocks are each provided with a mounting hole, and each of the fixing blocks is fixed to the blower body by a No. 1 bolt.

[0015] As a preferred solution of the connection and fixing structure of the blower casing described in the utility model, wherein: multiple blocks are slidably connected to the inner wall of the mounting base, and multiple sliding tooth plates are slidably connected to the inner wall of the cavity.

[0016] Beneficial effects of the utility model:

[0017] The handle, worm and worm wheel are used to drive the rotating rod to rotate, the rotating rod, rotating gear and sliding tooth plate are used to drive the push plates to move backwards, the push plates drive the clamping blocks to move backwards and insert them into the clamping holes, and the blower body can be further limited and fixed by the clamping blocks and the clamping holes to avoid loosening or even falling off, thereby improving the fixing effect of the blower casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 It is a front structural schematic diagram of a connection and fixing structure of a blower housing of the utility model.

[0020] Figure 2 It is a structural schematic diagram of a blower main body in a connection and fixing structure of a blower shell of the utility model.

[0021] Figure 3 It is a structural schematic diagram of a mounting base in a connection and fixing structure of a blower housing of the utility model.

[0022] Figure 4 It is a structural schematic diagram of a limit assembly in a connection and fixing structure of a blower housing of the utility model.

[0023] Description of the drawings: 100, main unit; 101, blower body; 102, mounting base; 103, fixing block; 104, No. 1 bolt; 105, No. 2 bolt; 200, limiting assembly; 201, fixing box; 202, worm; 203, worm wheel; 204, rotating rod; 205, rotating gear; 206, sliding tooth plate; 207, push plate; 208, clamping block; 209, limiting block; 210, sliding rod. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0027] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0028] Reference Figure 1-Figure 4 , is an embodiment of the utility model, and provides a connection and fixing structure of a blower housing, which includes:

[0029] The main unit 100 includes a blower body 101 and a mounting base 102. The upper end of the mounting base 102 is symmetrically provided with a plurality of threaded holes. The blower body 101 is fixedly installed with the mounting base 102 by a plurality of No. 2 bolts 105. Two fixing blocks 103 are symmetrically provided at the lower end of the blower body 101. Two grooves matching the fixing blocks 103 are symmetrically provided at the upper end of the mounting base 102. Two clamping holes are symmetrically provided on each fixing block 103. A cavity is provided at the center of the mounting base 102.

[0030] The limit assembly 200 includes a fixed box 201, which is fixedly connected to the side wall of the mounting base 102. A worm 202 is rotatably connected to the inner wall of the fixed box 201, and a worm wheel 203 is meshedly connected to the worm 202. A rotating rod 204 is fixedly inserted at the center of the worm wheel 203. Two rotating gears 205 are fixedly sleeved on the rotating rod 204. Both ends of each rotating gear 205 are meshedly connected to a sliding tooth plate 206. The opposite end of each sliding tooth plate 206 is fixedly connected to a push plate 207. The opposite side of each push plate 207 is fixedly connected to a clamping block 208. The opposite end of each clamping block 208 passes through the cavity and the clamping hole.

[0031] The handle, worm 202 and worm wheel 203 are used to drive the rotating rod 204 to rotate, the rotating rod 204, rotating gear 205 and sliding tooth plate 206 are used to drive the push plate 207 to move opposite to each other, and the push plate 207 drives the clamping block 208 to move opposite to each other and insert it into the clamping hole. The clamping block 208 and the clamping hole can further limit and fix the blower body 101 to avoid loosening or even falling off, thereby improving the fixing effect of the blower casing.

[0032] The upper end of the worm 202 penetrates the upper end of the fixed box 201 and is fixedly connected with a handle. The worm 202 is rotatably connected to the inner wall of the fixed box 201 , and there is a reverse self-locking function between the worm 202 and the worm wheel 203 .

[0033] Among them, one end of the rotating rod 204 is rotatably connected to the inner wall of the fixed box 201, and the other end of the rotating rod 204 passes through the fixed box 201 and the mounting base 102 and is rotatably connected to the inner wall of the cavity. The rotating rod 204 is rotatably connected in the inner walls of the fixed box 201 and the mounting base 102, and the rotating gear 205 is driven to rotate by the rotating rod 204.

[0034] Among them, the opposite ends of multiple sliding tooth plates 206 are fixedly connected to the limit blocks 209, and multiple sliding grooves are symmetrically opened on the inner wall of the cavity. A sliding rod 210 is fixedly connected in each sliding groove, and each limit block 209 is slidably sleeved on the sliding rod 210. The sliding tooth plates 206 can be limited by the limit blocks 209 and the sliding rod 210.

[0035] Among them, the upper ends of the two fixing blocks 103 are each provided with a mounting hole, and each fixing block 103 is fixedly installed with the blower body 101 by a No. 1 bolt 104, and the No. 1 bolt 104 facilitates the fixing and installation of the fixing block 103.

[0036] Among them, the multiple clamping blocks 208 are all slidably connected to the inner wall of the mounting base 102, and the multiple sliding tooth plates 206 are all slidably connected to the inner wall of the cavity, and the fixing block 103 is limited and fixed by the clamping blocks 208.

[0037] Working principle: During installation, the fixing block 103 is inserted into the groove, and then the blower body 101 can be connected and fixed by the No. 2 bolt 105; further, the handle is rotated, the handle drives the worm 202 to rotate, and the worm 202 drives the worm wheel 203 to rotate, wherein the worm 202 and the worm wheel 203 have a reverse self-locking function, the worm wheel 203 drives the rotating rod 204 to rotate, the rotating rod 204 drives the rotating gear 205 to rotate, and the rotating gear 205 drives the sliding tooth plate 206 to move in opposite directions, the sliding tooth plate 206 drives the push plate 207 to move in opposite directions, and the push plate 207 drives the clamping block 208 to move in opposite directions and insert it into the clamping hole, the blower body 101 can be further limited and fixed by the clamping block 208 and the clamping hole to avoid loosening or even falling off, thereby improving the fixing effect of the blower casing, wherein the content not described in detail in this description belongs to the prior art known to professional and technical personnel in this field.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A connection and fixing structure of a blower housing, characterized in that: include: A main unit (100), the main unit (100) comprising a blower body (101) and a mounting base (102), the upper end of the mounting base (102) being symmetrically provided with a plurality of threaded holes, the blower body (101) being fixedly mounted to the mounting base (102) by means of a plurality of No. 2 bolts (105), the lower end of the blower body (101) being symmetrically provided with two fixing blocks (103), the upper end of the mounting base (102) being symmetrically provided with two grooves matching the fixing blocks (103), each of the fixing blocks (103) being symmetrically provided with two clamping holes, and a cavity being provided at the center of the mounting base (102); A limit assembly (200), the limit assembly (200) comprising a fixed box (201), the fixed box (201) being fixedly connected to the side wall of the mounting base (102), a worm (202) being rotatably connected to the inner wall of the fixed box (201), a worm gear (203) being meshedly connected to the worm (202), a rotating rod (204) being fixedly inserted through the center of the worm gear (203), two rotating gears (205) being fixedly sleeved on the rotating rod (204), both ends of each rotating gear (205) being meshedly connected to a sliding tooth plate (206), an opposite end of each sliding tooth plate (206) being fixedly connected to a push plate (207), a clamping block (208) being fixedly connected to the opposite side of each push plate (207), and an opposite end of each clamping block (208) passing through a cavity and a clamping hole.

2. The connection and fixing structure of a blower housing according to claim 1, characterized in that: The upper end of the worm (202) penetrates the upper end of the fixed box (201) and is fixedly connected to a handle, and the worm (202) is rotatably connected to the inner wall of the fixed box (201).

3. The connection and fixing structure of a blower housing according to claim 1, characterized in that: One end of the rotating rod (204) is rotatably connected to the inner wall of the fixed box (201), and the other end of the rotating rod (204) passes through the fixed box (201) and the mounting base (102) and is rotatably connected to the inner wall of the cavity. The rotating rod (204) is rotatably connected in the inner walls of the fixed box (201) and the mounting base (102).

4. The connection and fixing structure of a blower housing according to claim 1, characterized in that: The ends of the plurality of sliding tooth plates (206) facing away from each other are fixedly connected to a limit block (209), a plurality of sliding grooves are symmetrically provided on the inner wall of the cavity, a sliding rod (210) is fixedly connected to each of the sliding grooves, and each of the limit blocks (209) is slidably sleeved on the sliding rod (210).

5. The connection and fixing structure of a blower housing according to claim 1, characterized in that: The upper ends of the two fixing blocks (103) are each provided with a mounting hole, and each fixing block (103) is fixedly mounted to the blower body (101) by a No. 1 bolt (104).

6. The connection and fixing structure of a blower housing according to claim 1, characterized in that: The plurality of clamping blocks (208) are all slidably connected to the inner wall of the mounting base (102), and the plurality of sliding tooth plates (206) are all slidably connected to the inner wall of the cavity.

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