Hand-held motor spring and holder installation tool

Abstract

The utility model discloses a handheld motor spring and retainer mounting tool, and relates to the technical field of mounting tools. The device comprises a shell, a movable groove is formed in the left side face of the shell, a guide groove is formed in the right side face of the shell, the movable groove is communicated with the guide groove, a guide shaft is inserted into the guide groove in a penetrating mode, a limiting plate is fixed to the left end of the guide shaft, a reset spring is arranged on the left end face of the limiting plate in a contact mode, and a rear cover is installed at the left end of the shell. The left end of the reset spring abuts against the rear cover, the cross section of the guide shaft is rectangular, the guide shaft is sequentially sleeved with a spring retainer and a spring from left to right, and a through hole matched with the guide shaft is formed in the middle of the spring retainer. When the motor trial production process is met and equipment development is not completed, the efficiency of manually installing the spring and the spring retainer is improved, and meanwhile the situation that the spring is neglected to be installed is avoided.

Description

Technical Field

[0001] This utility model belongs to the field of installation tool technology, and in particular relates to a handheld motor spring and cage installation tool. Background Technology

[0002] During the manufacturing process of automotive blower motors, springs and spring retainers need to be installed onto the motor's carbon brush brackets to ensure good contact between the carbon brushes and the commutator. This is typically done manually by operators or automatedly. However, during trial production of motors, issues often arise where equipment development is incomplete, manual installation is inefficient, and springs are easily missed.

[0003] Therefore, we propose a handheld motor spring and cage mounting tool to meet the requirements of manufacturing efficiency and quality. Utility Model Content

[0004] The purpose of this utility model is to provide a handheld motor spring and cage installation tool to solve the existing problems.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a handheld motor spring and retainer installation tool, comprising a housing, a movable groove on the left side of the housing, and a guide groove on the right side of the housing, the movable groove communicating with the guide groove, a guide shaft inserted in the guide groove, a limit plate fixed to the left end of the guide shaft, a return spring contacting the left end of the limit plate, a rear cover installed on the left end of the housing, the left end of the return spring abutting against the rear cover, the guide shaft having a rectangular cross-section, a spring retainer and a spring sequentially mounted on the guide shaft from left to right, and a through hole matching the guide shaft being opened in the middle of the spring retainer.

[0007] In one embodiment, the shape and size of the limiting plate are adapted to the movable groove, and the limiting plate and the movable groove are in sliding fit.

[0008] In one embodiment, the shape and size of the guide groove are adapted to the guide shaft, and the guide groove and the guide shaft are in sliding fit.

[0009] In one embodiment, the inner wall of the rear cover is provided with an internal thread, and the left circumferential side of the housing is provided with an external thread, and the rear cover and the housing are threadedly engaged.

[0010] In one embodiment, the reset spring is located between the limiting plate and the rear cover, and the reset spring is located in the movable groove.

[0011] In one embodiment, the rear cover has anti-slip protrusions on its peripheral side, and the cross-section of the movable groove is larger than the cross-section of the guide groove.

[0012] This utility model has the following beneficial effects:

[0013] This invention involves an operator manually removing the spring retainer and spring, sequentially placing them onto the guide shaft, and then holding the housing and pushing the guide shaft with its front end aligned with the inner hole of the carbon brush holder. Once the guide shaft contacts the carbon brush, it stops moving, while the housing continues to move, compressing the spring and locking the spring retainer onto the carbon brush holder. The guide shaft is then removed, and the housing returns to its initial position under the action of the reset spring, completing the operation.

[0014] This invention improves the efficiency of manually installing springs and spring retainers during the trial production of motors and before equipment development is complete, while also preventing the omission of springs.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A schematic diagram of the overall structure of a handheld motor spring and cage installation tool;

[0018] Figure 2 A top view of a handheld motor spring and cage mounting tool;

[0019] Figure 3 for Figure 2 Sectional view of AA in the middle;

[0020] Figure 4 This is a schematic diagram illustrating the installation and use of a handheld motor spring and cage installation tool.

[0021] The attached diagram lists the components represented by each number as follows:

[0022] 1. Back cover; 101. Movable groove; 102. Guide groove; 2. Reset spring; 3. Limiting plate; 4. Guide shaft; 5. Housing; 6. Spring retainer; 7. Spring; 8. Carbon brush holder; 9. Carbon brush. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In the description of this utility model, it should be understood that the terms "upper", "middle", "outer", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] Please see Figures 1-4 As shown, this utility model is a handheld motor spring and cage installation tool, including a housing 5. A movable groove 101 is formed on the left side of the housing 5, and a guide groove 102 is formed on the right side of the housing 5. The movable groove 101 communicates with the guide groove 102. A guide shaft 4 is inserted into the guide groove 102. A limit plate 3 is fixed to the left end of the guide shaft 4. A reset spring 2 is disposed in contact with the left end of the limit plate 3. A rear cover 1 is installed on the left end of the housing 5, and the left end of the reset spring 2 abuts against the rear cover 1. The cross-section of the guide shaft 4 is rectangular. 4. From left to right, spring retainer 6 and spring 7 are sequentially fitted. Spring retainer 6 has a through hole in the middle that matches guide shaft 4. The front end of guide shaft 4 is designed with a large chamfer and rounded corners to facilitate manual installation of spring retainer 6. The overall shape of guide shaft 4 matches the through hole of spring retainer 6, ensuring good positioning and easy removal after installation. Housing 5 is cylindrical and made of aluminum alloy, with a lightweight design that is also easy to hold. The diameter of the front section of housing 5 is reduced so that it does not interfere with other parts of the motor during installation.

[0027] The shape and size of the limiting plate 3 are adapted to the movable groove 101, and the limiting plate 3 and the movable groove 101 slide together.

[0028] The shape and size of the guide groove 102 are adapted to the guide shaft 4, and the guide groove 102 and the guide shaft 4 are in sliding fit.

[0029] The inner wall of the rear cover 1 is provided with internal threads, and the left side of the housing 5 is provided with external threads, and the rear cover 1 and the housing 5 are threadedly fitted.

[0030] Among them, the reset spring 2 is located between the limiting plate 3 and the rear cover 1, and the reset spring 2 is located in the movable groove 101.

[0031] The back cover has anti-slip protrusions on its side, and the cross-section of the movable groove 101 is larger than the cross-section of the guide groove 102.

[0032] Please see Figures 1-4 As shown, this embodiment illustrates a method for using a handheld motor spring and cage installation tool:

[0033] First, the operator manually removes the spring retainer 6 and the spring 7, and places them onto the guide shaft 4 in sequence. Then, the operator holds the housing 5 and pushes the front end of the guide shaft 4 into the inner hole of the carbon brush holder 8. When the guide shaft 4 contacts the carbon brush 9, the guide shaft 4 stops moving, while the housing 5 continues to move, compressing the spring 7. The spring retainer 6 then fastens onto the carbon brush holder 8, and the guide shaft 4 is removed. Under the action of the return spring 2, the housing 5 returns to its initial position, completing the operation.

[0034] In the description of this specification, references to terms such as "an embodiment," "example," and "specific example" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0035] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A handheld motor spring and cage mounting tool, comprising a housing (5), characterized in that: The housing (5) has a movable groove (101) on its left side and a guide groove (102) on its right side. The movable groove (101) and the guide groove (102) are connected. A guide shaft (4) is inserted in the guide groove (102). A limit plate (3) is fixed to the left end of the guide shaft (4). A reset spring (2) is installed on the left end of the limit plate (3). A rear cover (1) is installed on the left end of the housing (5). The left end of the reset spring (2) abuts against the rear cover (1). The cross-section of the guide shaft (4) is rectangular. A spring retainer (6) and a spring (7) are sequentially sleeved on the guide shaft (4) from left to right. A through hole matching the guide shaft (4) is opened in the middle of the spring retainer (6).

2. The handheld motor spring and cage installation tool according to claim 1, characterized in that, The shape and size of the limiting plate (3) are adapted to the movable groove (101), and the limiting plate (3) and the movable groove (101) slide together.

3. The handheld motor spring and cage installation tool according to claim 1, characterized in that, The shape and size of the guide groove (102) are adapted to the guide shaft (4), and the guide groove (102) and the guide shaft (4) slide together.

4. A handheld motor spring and cage installation tool according to claim 1, characterized in that, The inner wall of the rear cover (1) is provided with an internal thread, and the left circumferential side of the housing (5) is provided with an external thread, and the rear cover (1) and the housing (5) are threadedly engaged.

5. A handheld motor spring and cage installation tool according to claim 1, characterized in that, The reset spring (2) is located between the limiting plate (3) and the rear cover (1), and the reset spring (2) is located in the movable groove (101).

6. A handheld motor spring and cage installation tool according to claim 1, characterized in that, The back cover (1) has anti-slip protrusions on its circumferential side, and the cross-section of the movable groove (101) is larger than the cross-section of the guide groove (102).

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