CN217233771U

CN217233771U - Fan housing mounting structure of motor pump unit of high-pressure cleaning machine

Info

Publication number: CN217233771U
Application number: CN202220975436.2U
Authority: CN
Inventors: 罗昌国; 艾美华
Original assignee: China Lutian Machinery Co ltd
Current assignee: China Lutian Machinery Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-19
Anticipated expiration: 2032-04-24

Abstract

The utility model provides a fan housing mounting structure of high pressure cleaner motor pump unit belongs to high pressure cleaner technical field. It has solved the inconvenient problem of current fan housing dismouting on motor housing. This high pressure cleaner motor pump unit's fan housing mounting structure, including the motor, the motor includes rear bracket and fan housing, and the fan housing is connected with the rear bracket, has seted up the joint hole on the outer peripheral face of fan housing, is provided with bellied buckle on the outer peripheral face of rear bracket, and the buckle card is gone into to the joint downthehole. The fan housing of this structure is connected with the rear bracket joint, and buckle card is gone into the installation that the joint is downthehole greatly improved fan housing and rear bracket and the convenience of dismantling promptly, and this fan housing has improved the stability that fan housing and rear bracket are connected with the joint structure of rear bracket, avoids fan housing and rear bracket to appear the problem that the pine takes off.

Description

Fan housing mounting structure of motor pump unit of high-pressure cleaning machine

Technical Field

The utility model belongs to the technical field of, especially a fan housing mounting structure of high pressure cleaner motor pump unit.

Background

The high-pressure washer is the most environment-friendly, economic and scientific cleaning equipment generally recognized in the world at present, and is widely applied to the fields of industry, commerce, civil use and the like. The motor in the high-pressure cleaning machine comprises a motor shell and a rotating shaft arranged in the motor shell, wherein the tail part of the rotating shaft is sleeved with a heat dissipation fan blade, one end of the motor shell is fixedly provided with a fan cover for covering the heat dissipation fan blade, and when the high-pressure cleaning machine rotates, the heat dissipation fan blade rotates to blow wind to the head part of the motor from the tail part of the motor, so that heat dissipation of the motor is realized.

At present, chinese patent discloses a motor fan housing mounting structure [ grant No.: CN207559725U, including the rear end cap, cover the fan housing on the rear end cap, be equipped with the screw hole on the rear end cap, be equipped with the mounting hole on the fan housing, pass through bolted connection between fan housing and the rear end cap. The chinese patent network also discloses a motor with a fan housing [ grant publication No.: CN209233630U, including motor and fan housing, the motor includes the casing, and the fan housing includes the cover body, and the cover body includes the top and the sleeve portion that stretches out from the top edge, stretches out a plurality of installing support on the sleeve portion, and installing support and cover body are an organic whole structure, and the cover body shroud is installed on the casing at the one end tip of motor and through the installing support to the installing support passes through the fix with screw on the casing.

Adopt the fix with screw between foretell fan housing and the motor casing, the screw has a plurality of, a plurality of screw sets up along the circumference interval of fan housing, need screw up a plurality of screw in proper order during the installation, need screw out a plurality of screw in proper order again during the dismantlement, the fan housing is very inconvenient with the installation of motor casing with the dismantlement, in addition, high pressure cleaner is at the in-process of work, the vibrations of certain range can appear in the motor, make the screw not hard up easily, and then make the fan housing fix insecurely on motor casing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a high pressure cleaner motor pump unit's fan housing mounting structure, the utility model aims to solve the technical problem that: how to guarantee that the fan housing is fixed firm on the motor housing and improve the convenience of installation and dismantlement of fan housing on the motor housing.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a high pressure cleaner motor pump unit's fan housing mounting structure, includes the motor, the motor includes rear bracket and fan housing, the fan housing is connected with the rear bracket, its characterized in that, the joint hole has been seted up on the outer peripheral face of fan housing, be provided with bellied buckle on the outer peripheral face of rear bracket, the buckle card is gone into to the joint downthehole.

The fan cover and the rear support are connected in a clamping mode, namely the buckle is clamped into the clamping hole, and compared with the prior art that the fan cover and the rear support are fixed through a plurality of screws, the fan cover and the rear support are greatly improved in mounting and dismounting convenience; in addition, this fan housing and rear bracket's joint structure has improved the stability that fan housing and rear bracket are connected, avoids fan housing and rear bracket to appear the problem that takes off.

In the above-mentioned fan housing mounting structure of high pressure cleaner motor pump unit, the buckle is the triangle-shaped structure, a side of buckle orientation fan housing is the inclined plane, the fan housing can contact with this inclined plane and make the buckle card go into to the joint downthehole along this inclined plane. Through the setting of this structure, the fan housing is made by plastics, and the in-process of fan housing installation, the one end of fan housing pastes with the inclined plane earlier and leans on mutually, further impels the fan housing towards the after-poppet direction, and the fan housing impels forward along the inclined plane, and the buckle outwards struts the inner wall of fan housing gradually, and it is downthehole to block to the joint until the buckle card, the very big convenience of fan housing installation that has made things convenient for of this structure.

In the fan housing mounting structure of the motor pump unit of the high-pressure cleaning machine, the clamping holes are provided with a plurality of clamping holes which are arranged at intervals along the circumferential direction of the fan housing; the buckle has a plurality of, and a plurality of buckle sets up along the circumference interval of after-poppet, buckle and joint hole one-to-one. Through the setting of this structure, every buckle all blocks in corresponding joint is downthehole for realize the multiple spot location between fan housing and the after-poppet, further improve the fixed effect of fan housing on the after-poppet, make fan housing and after-poppet be connected temperature, firm.

In the above-mentioned fan housing mounting structure of the motor pump unit of the high pressure cleaning machine, the outer peripheral surface of the rear bracket has a raised limiting portion, the inner wall of the fan housing is recessed outward and the outer wall of the fan housing is raised outward to form a positioning groove corresponding to the limiting portion, and the limiting portion is located in the positioning groove. Through the setting of this structure, the fan housing is at the in-process of installation, with spacing portion alignment constant head tank, then with the fan housing towards the back support direction removal for spacing portion enters into the constant head tank, and spacing portion and constant head tank's cooperation structure realizes that circumference is spacing to the fan housing, avoids the fan housing pivoted condition to appear in the installation, guarantees that the buckle can accurate card go into to the joint downthehole.

In foretell high pressure cleaner motor pump unit's fan housing mounting structure, spacing portion has a plurality of, and the spacing portion of a plurality of sets up along the circumference interval of after-poppet, the constant head tank has a plurality of, and a plurality of constant head tank sets up along the circumference interval of fan housing, spacing portion and constant head tank one-to-one. Through the setting of this structure, the cooperation structure of a plurality of spacing portions and constant head tank further improves the circumferential direction location effect of fan housing.

In the fan housing mounting structure of the motor pump unit of the high-pressure cleaning machine, the inner wall of the fan housing is provided with an annular step surface, and the outer edge of the rear end of the rear bracket can abut against the step surface; when the outer edge of the rear end of the rear support abuts against the step surface, the buckle is clamped into the clamping hole. Through the setting of this structure, the fan housing is at the in-process of installation, and when the fan housing removed towards the after-poppet direction, the step played spacing effect to the installation of fan housing, guaranteed that the accurate card of buckle is gone into to the joint downthehole.

In the above-mentioned fan housing mounting structure of the motor pump unit of the high pressure cleaning machine, the clip is integrally formed with the rear bracket. Through the setting of this structure, the structural strength of buckle is high, difficult emergence fracture, and then has improved the stability of fan housing installation.

Compared with the prior art, the utility model discloses a high pressure cleaner motor pump unit's fan housing mounting structure has following advantage: compared with the prior art that the fan cover and the rear support are fixed through a plurality of screws, the fan cover and the rear support are connected in a clamping manner, namely the buckles are clamped into the clamping holes, and the structure greatly improves the convenience of mounting and dismounting the fan cover and the rear support; in addition, this fan housing and rear bracket's joint structure has improved the stability that fan housing and rear bracket are connected, avoids fan housing and rear bracket to appear the problem that takes off.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic diagram of the explosion three-dimensional structure of the present invention.

Fig. 3 is a schematic view of the sectional three-dimensional structure of the present invention.

In the figure, 1, a motor; 2. a rear bracket; 20. buckling; 20a, a bevel; 21. a limiting part; 3. a fan housing; 30. a clamping hole; 31. positioning a groove; 32. a step surface.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2 and fig. 3, this fan housing mounting structure of high pressure cleaner motor pump unit, including motor 1, motor 1 includes after-poppet 2 and fan housing 3, fan housing 3 is connected with after-poppet 2, joint hole 30 has been seted up on the outer peripheral face of fan housing 3, be provided with bellied buckle 20 on the outer peripheral face of after-poppet 2,

buckle

20 and 2 integrated into one piece of after-poppet, buckle 20 card is gone into to joint hole 30 in, in this embodiment, joint hole 30 has a plurality of, a plurality of joint hole 30 sets up along the circumference interval of fan housing 3, buckle 20 has a plurality of, a plurality of buckle 20 sets up along the circumference interval of after-poppet 2, buckle and 20 joint hole 30 one-to-ones. The fan housing 3 is connected with the rear support 2 in a clamping mode, and compared with the prior art that the fan housing is fixed through a plurality of screws, the structure greatly improves the convenience of mounting and dismounting the fan housing 3 and the rear support 2; in addition, this fan housing 3 adopts multiple spot joint structure with rear bracket 2, guarantees that the stability that fan housing 3 and rear bracket 2 are connected is better, avoids fan housing 3 and rear bracket 2 to appear the problem of pine and take off.

As shown in fig. 2 and 3, the clip 20 is in a triangular structure, a side surface of the clip 20 facing the fan housing 3 is an inclined surface 20a, and the fan housing 3 can contact the inclined surface 20a and clip the clip 20 into the clip hole 30 along the inclined surface 20 a. The fan housing 3 is made of plastic, in the installation process of the fan housing 3, one end of the fan housing 3 is firstly attached to the inclined surface 20a, the fan housing 3 is further pushed towards the rear support 2, the fan housing 3 is pushed forwards along the inclined surface 20a, the buckle 20 gradually stretches the inner wall of the fan housing 3 outwards until the buckle 20 is clamped into the clamping hole 30, and the structure greatly facilitates the installation of the fan housing 3.

As shown in fig. 1, 2 and 3, the outer peripheral surface of the rear bracket 2 has a raised limiting portion 21, the inner wall of the fan housing 3 is recessed outward, and the outer wall of the fan housing 3 is raised outward to form a positioning groove 31 corresponding to the limiting portion 21, the limiting portion 21 is located in the positioning groove 31, in this embodiment, the limiting portion 21 has a plurality of limiting portions 21, the plurality of limiting portions 21 are arranged at intervals along the circumferential direction of the rear bracket 2, the positioning groove 31 has a plurality of positioning grooves 31, the plurality of positioning grooves 31 are arranged at intervals along the circumferential direction of the fan housing 3, the limiting portions 21 correspond to the positioning grooves 31 one by one, during the installation process of the fan housing 3, the limiting portion 21 is aligned to the positioning groove 31, then the fan housing 3 is moved toward the rear bracket 2, so that the limiting portion 21 enters the positioning groove 31, the matching structure of the limiting portions 21 and the positioning grooves 31 realizes circumferential limiting on the fan housing 3, thereby preventing the fan housing 3 from rotating during the installation process, the buckle 20 can be accurately clamped into the clamping hole 30. Have on the inner wall of fan housing 3 and be annular step face 32, the outward flange at rear end of rear bracket 2 can support with step face 32 and lean on, fan housing 3 is at the in-process of installation, and when fan housing 3 removed towards rear bracket 2 direction, step face 32 played spacing effect to the installation of fan housing 3, when the outward flange at rear end of rear bracket 2 supported with step face 32 and leaned on, buckle 20 card was gone into to the joint hole 30 in, guaranteed that buckle 20 accurate card is gone into to the joint hole 30 in.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a high pressure cleaner motor pump unit's fan housing mounting structure, includes motor (1), motor (1) includes after-poppet (2) and fan housing (3), fan housing (3) are connected with after-poppet (2), its characterized in that, joint hole (30) have been seted up on the outer peripheral face of fan housing (3), be provided with bellied buckle (20) on the outer peripheral face of after-poppet (2), buckle (20) card is gone into to joint hole (30) in, the outer peripheral face of after-poppet (2) has bellied spacing portion (21), the inner wall of fan housing (3) is outside sunken and the outside protruding constant head tank (31) that form and spacing portion (21) are corresponding of outer wall of fan housing (3), spacing portion (21) are located constant head tank (31).

2. The fan housing mounting structure of the motor pump unit of the high pressure washer according to claim 1, wherein the clip (20) has a triangular structure, a side of the clip (20) facing the fan housing (3) is a slope (20a), and the fan housing (3) can contact the slope (20a) and along the slope (20a) to clip the clip (20) into the clip hole (30).

3. The fan housing mounting structure of the motor pump unit of the high-pressure cleaning machine according to claim 1 or 2, wherein the clamping holes (30) are provided in a plurality, and the plurality of clamping holes (30) are arranged at intervals along the circumferential direction of the fan housing (3); buckle (20) have a plurality of, and a plurality of buckle (20) set up along the circumference interval of rear bracket (2), buckle (20) and joint hole (30) one-to-one.

4. The fan housing mounting structure of the motor pump unit of the high pressure washer according to claim 1, wherein the plurality of limiting portions (21) are provided, the plurality of limiting portions (21) are arranged along a circumferential interval of the rear bracket (2), the plurality of positioning grooves (31) are provided, the plurality of positioning grooves (31) are arranged along a circumferential interval of the fan housing (3), and the limiting portions (21) correspond to the positioning grooves (31) one by one.

5. The fan housing mounting structure of the motor pump unit of the high-pressure cleaning machine according to claim 1, wherein the inner wall of the fan housing (3) is provided with an annular step surface (32), and the outer edge of the rear end of the rear bracket (2) can abut against the step surface (32); when the outer edge of the rear end of the rear support (2) abuts against the step surface (32), the buckle (20) is clamped into the clamping hole (30).

6. The hood mounting structure of a high-pressure washer motor pump unit according to claim 1, characterized in that the clip (20) is integrally formed with the rear bracket (2).