Simple-to-operate manual press-fitting device for wire protecting sleeve of rear end cover of motor
By designing a motor rear end cover wire sleeve pressing device with a positioning base, sliding pressure block, and transmission structure, the problem of inconvenient pressing of wire sleeves for small brushed motors was solved, achieving a simple, labor-saving, and precise pressing effect.
Patent Information
- Application Number
- CN202520015390.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-03
AI Technical Summary
In the existing technology, the press-fitting operation of the rear end cover cable sleeve of a small brushed motor is difficult, and inaccurate positioning is prone to occur during clamp-type press-fitting.
A simple-operation motor rear end cover wire sleeve pressing device was designed, including a positioning base, a sliding pressure block, a handle, and a transmission structure. The device utilizes an eccentric cam and a reset component to achieve precise movement and reset of the sliding pressure block, ensuring accurate pressing point positioning.
It enables simple, labor-saving, and precise pressing of the motor rear end cover cable sleeve, ensuring that the pressing point position is fixed, thus improving operating efficiency and pressing effect.
Smart Images

Figure CN223680930U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor assembly technology, concretely relates to motor rear end cover wire protection sleeve press fitting device. BACKGROUND
[0002] Brush motor is the rotary motor that contains brush device and converts electric energy into mechanical energy (motor) or converts mechanical energy into electric energy (generator). Brush motor is the basis of all motors, it has the characteristics of fast starting, braking in time, smooth speed regulation in a wide range, relatively simple control circuit, etc.
[0003] Generally, a wire protection sleeve needs to be press fitted at the rear end cover lead-out wire of small brush motor to protect the wire. Currently, direct clamping type press fitting is used by using wire clamps, because of direct clamping, it is more difficult to operate, and because the outside is circular, it is difficult to find the specified position of the clamping press fitting point. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem that a simple and convenient motor rear end cover wire protection sleeve press fitting manual device is provided to solve the problem of motor rear end cover wire protection sleeve press fitting.
[0005] To solve the above technical problems, the utility model adopts the following technical scheme:
[0006] A simple and convenient motor rear end cover wire protection sleeve press fitting manual device, comprising:
[0007] A positioning base is provided with a positioning structure for positioning the motor rear end cover;
[0008] A sliding press block is provided with a sliding guide structure between the positioning base and the sliding press block, and the sliding press block is pressed tightly in the motor rear end cover when moving forward;
[0009] A handle is hingedly connected to the head end of the positioning base, and a transmission structure is provided between the handle and the sliding press block, and the sliding press block is driven to move by the transmission structure when the handle is rotated in the first direction.
[0010] Preferably, the transmission structure comprises an eccentric cam provided at the head end of the handle and a driven surface provided at the rear end of the sliding press block, and the cam surface of the eccentric cam acts on the driven surface.
[0011] Preferably, a reset member is provided between the sliding press block and the positioning base, and the reset member drives the sliding press block to move backward to realize reset when the handle is rotated in the second direction.
[0012] Preferably, the sliding guide structure is a guide sliding groove provided on the positioning base, and the sliding press block is slidingly matched with the guide sliding groove.
[0013] Preferably, the reset member is a spring, the opposite two side walls of the guide sliding slot are provided with spring mounting grooves, the opposite two sides of the sliding pressing block are provided with protruding portions, the protruding portions extend into the spring mounting grooves, the front end of the spring abuts against the front end of the spring mounting groove, and the rear end of the spring abuts against the protruding portion.
[0014] Preferably, the rear end of the sliding pressing block is provided with a rear protruding convex surface, and the driven surface is formed on the convex surface.
[0015] Preferably, the first end of the sliding pressing block is provided with an arc-shaped pressing opening.
[0016] Preferably, the positioning base comprises a bottom plate, the opposite two sides of the bottom plate are provided with bosses, and the bosses are fixed with cover plates, and the guide sliding slots are formed between the two bosses and the cover plates.
[0017] Preferably, the cover plate is fixed on the boss through a screw.
[0018] Preferably, the positioning structure is a positioning groove arranged on the bottom plate, and the rear end cover of the motor passes through the positioning groove.
[0019] The technical scheme of the utility model has the following technical effects:
[0020] 1. The positioning base is provided with a positioning structure for positioning the rear end cover of the motor, and the sliding guide structure is arranged between the sliding pressing block and the positioning base, which is used for guiding the back and forth movement of the sliding pressing block, so that the position of the rear end cover of the motor is fixed, the position of the sliding pressing block relative to the rear end cover of the motor is also fixed, and the position of the pressing point can be guaranteed.
[0021] The head end of the handle is hinged to the positioning base, and the transmission structure is arranged between the handle and the sliding pressing block. When the handle rotates in the first direction, the sliding pressing block is driven to move through the transmission structure, which has the advantages of convenient operation, less labor and controllable pressing force.
[0022] 2. The transmission structure comprises an eccentric cam arranged at the head end of the handle and a driven surface arranged at the rear end of the sliding pressing block. When the eccentric cam swings, the cam surface acts on the driven surface, the sliding pressing block can be synchronously stressed, and slides along the sliding guide structure. The moving distance of the sliding pressing block is controlled by the cam surface, so that the pressing force is accurately controllable.
[0023] 3. The reset member is arranged between the sliding pressing block and the positioning base. When the handle rotates in the second direction, the cam surface releases the action on the driven surface, so that the reset member drives the sliding pressing block to move backward to realize reset and prepare for the next pressing.
[0024] 4. The sliding pressing block is in sliding cooperation with the guide sliding slot. When the sliding pressing block moves toward the rear end cover of the motor, the relative position is fixed, so that the position of the pressing point can be guaranteed.
[0025] 5. The reset component uses a spring. When the protective sleeve is pressed in, the spring is compressed. After the cam surface releases its action on the driven surface, the spring can drive the sliding pressure block to move backward quickly to achieve reset.
[0026] 6. Since the first end of the sliding pressure block has an arc-shaped pressure hole, when it moves to the outer arc surface of the motor rear end cover, it can cooperate with the outer arc surface of the motor rear end cover to press the cable sleeve tightly inside the motor rear end cover.
[0027] 7. The two protrusions on the base plate and the cover plate are closed to form a guide groove to avoid relative misalignment between the sliding block and the guide groove.
[0028] 8. The positioning structure is a positioning groove on the base plate. The rear end cover of the motor passes through the positioning groove. The positioning groove is set according to the shape and size of the rear end cover of the motor to ensure that the rear end cover of the motor does not loosen after positioning, so as to facilitate the subsequent pressing of the wire protection sleeve.
[0029] The specific technical solution and beneficial effects of this utility model will be described in detail below with reference to the accompanying drawings. Attached Figure Description
[0030] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:
[0031] Figure 1 This is a schematic diagram of the structure of this utility model before the sheath is pressed in;
[0032] Figure 2 This is a schematic diagram of the structure of this utility model after the sheath is press-fitted;
[0033] In the diagram: 1-base plate, 11-boob, 12-guide groove, 13-spring mounting groove, 14-threaded hole, 15-positioning groove, 2-cover plate, 21-pin hole, 22-fixing hole, 3-sliding pressure block, 31-arc-shaped pressure port, 32-convex surface, 33-protrusion, 4-spring, 5-handle, 51-eccentric cam, 6-motor rear end cover, 61-wire protection sleeve. Detailed Implementation
[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0035] It is understood by those skilled in the art that the features in the following examples and embodiments can be combined with each other without conflict.
[0036] The terms used in the present application are merely for the purpose of describing specific embodiments, and are not intended to limit the present application. For example, the words such as "front", "back" and the like indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device / element must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application.
[0037] In the present application, unless otherwise explicitly specified and limited, "on" or "under" of the first feature to the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "above" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0038] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0039] In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features.
[0040] In order to solve the problem of pressing the wire protection sleeve of the motor rear end cover, as shown in Figure 1 and Figure 2 The present embodiment provides a simple and convenient motor rear end cover wire protection sleeve pressing device, which comprises:
[0041] A positioning base is provided with a positioning structure for positioning the motor rear end cover;
[0042] A sliding block 3 is arranged between the positioning base and the motor rear end cover 6, and a sliding guide structure is arranged between the sliding block 3 and the positioning base, for guiding the sliding block 3 to move back and forth, and the sliding block 3 is used to press the wire sleeve 61 against the motor rear end cover 6 when moving forward.
[0043] A handle 5 is hinged at the head end to the positioning base, and a transmission structure is arranged between the handle 5 and the sliding block 3, for driving the sliding block to move through the transmission structure when the handle is rotated in the first direction.
[0044] Since the positioning structure for positioning the motor rear end cover is arranged on the positioning base, and the sliding guide structure is arranged between the sliding block and the positioning base, for guiding the sliding block to move back and forth, the position of the motor rear end cover is fixed, the position of the sliding block relative to the motor rear end cover is also fixed, and the position of the pressing point can be ensured.
[0045] In addition, since the head end of the handle is hinged to the positioning base, and the transmission structure is arranged between the handle and the sliding block, for driving the sliding block to move through the transmission structure when the handle is rotated in the first direction, the handle is convenient to operate, more labor-saving, and the pressing force is controllable.
[0046] In some embodiments, the transmission structure includes an eccentric cam 51 arranged at the head end of the handle and a driven surface arranged at the rear end of the sliding block, and the cam surface of the eccentric cam acts on the driven surface. Specifically, when the eccentric cam is swung, the cam surface acts on the driven surface, the sliding block can be synchronously stressed, slides along the sliding guide structure, and the moving distance is controlled by the cam surface, so that the pressing force is accurately controllable.
[0047] Further, the sliding block 3 and the positioning base are connected with a reset member, and the reset member drives the sliding block to move backward to realize resetting when the handle is rotated in the second direction. Specifically, when the handle is rotated in the second direction, the cam surface releases the action on the driven surface, so that the reset member is needed to drive the sliding block to move backward to realize resetting and prepare for the next pressing.
[0048] In some embodiments, the sliding guide structure is a guide sliding groove 12 arranged on the positioning base, and the sliding block 3 is in sliding cooperation with the guide sliding groove 12. When the sliding block moves toward the motor rear end cover, since the sliding block 3 is in sliding cooperation with the guide sliding groove 12, the relative position of the sliding block and the motor rear end cover is fixed (the moving direction of the sliding block is perpendicular to the axial direction of the motor rear end cover, and the intersection point is fixed), so that the position of the pressing point can be ensured.
[0049] Preferably, the reset member is a spring 4, the opposite two side walls of the guide sliding groove are provided with spring mounting grooves 13, the opposite two sides of the sliding block 3 are provided with protrusions 33, the protrusions 33 extend into the spring mounting grooves 13, the front end of the spring abuts against the front end of the spring mounting groove, and the rear end of the spring abuts against the protrusion 33. When the protective sleeve is pressed, the spring is compressed, the cam surface is removed from the driven surface, and the spring can drive the sliding block to move backward quickly to realize reset.
[0050] Specifically, the rear end of the sliding block 3 is provided with a rear protruding cam surface 32, and the driven surface is formed on the cam surface. The first end of the sliding block 3 is provided with an arc-shaped pressing opening 31, and the arc-shaped pressing opening 31 is used for pressing the protective sleeve when the sliding block moves to the outer end cover of the motor. The arc-shaped pressing opening 31 can be matched with the outer arc surface of the rear end cover of the motor to press the protective sleeve tightly in the rear end cover of the motor.
[0051] Specifically, the positioning base comprises a bottom plate 1, the opposite two sides of the bottom plate are provided with bosses 11, the bosses are fixed with cover plates 2, and the guide sliding grooves are formed between the two bosses and the cover plates. The cover plate 2 is fixed on the boss 11 through a screw. The boss 11 is provided with a threaded hole 14, the cover plate 2 is provided with a fixing hole 22, and the screw is connected through the fixing hole and the threaded hole. The two bosses on the bottom plate and the cover plate are closed to form the guide sliding groove, so that the sliding block and the guide sliding groove are not relatively dislocated. In addition, the head end of the handle is hinged to the rear side of the guide sliding groove, the bottom plate and the cover plate are provided with pin holes 21 and pin shafts connected correspondingly, and the head end of the handle is hinged to the pin shaft.
[0052] In some embodiments, the positioning structure is a positioning groove 15 arranged on the bottom plate, and the rear end cover of the motor 6 passes through the positioning groove. The positioning groove is arranged according to the shape and size of the rear end cover of the motor, so that the rear end cover is not loose after positioning, thereby facilitating subsequent pressing of the protective sleeve. The positioning groove 15 is circular, the center is located on the extended line of the center line of the guide sliding groove, the outer circle of the rear end cover of the motor is provided with a notch, and the protective sleeve enters the notch after pressing.
[0053] In operation, the rear end cover of the motor 6 and the protective sleeve 61 are placed on the positioning base first, then the handle 5 is rotated downward by hand, the cam surface of the eccentric cam abuts against the driven surface of the sliding block, the sliding block 3 slides forward, and the protective sleeve 61 is pressed tightly in the rear end cover of the motor 6 by the sliding block 3. Finally, the handle is rotated upward by hand, the sliding block 3 is returned to the original position by the spring 4, and the next pressing process can be performed.
[0054] In addition to the preferred embodiments, the utility model also has other embodiments, and those skilled in the art can make various changes and deformations according to the utility model, as long as they do not deviate from the spirit of the utility model, and all should belong to the range defined in the claims of the utility model.
Claims
1. A simple and easy to operate hand-operated device for pressing the wire protection sleeve of the rear end cover of an electric machine, characterized in that, The utility model relates to a wire cover pressing device for motor rear end cover, which comprises the following parts: A positioning base is provided with a positioning structure for positioning the motor rear end cover; A sliding block is provided with a sliding guide structure between the positioning base for guiding the sliding block to move back and forth, and the sliding block will press the wire cover in the motor rear end cover when moving forward; A handle is hinged to the head end of the positioning base, and a transmission structure is provided between the handle and the sliding block, which drives the sliding block to move when the handle is turned to the first direction.
2. The motor endbell wire boot press-on hand tool of claim 1, wherein, The transmission structure comprises an eccentric cam provided at the head end of the handle and a driven surface provided at the rear end of the sliding block, and the cam surface of the eccentric cam acts on the driven surface.
3. The motor endbell wire boot press-on hand tool of claim 2, wherein, A reset member is provided between the sliding block and the positioning base, which drives the sliding block to move backward to reset when the handle is turned to the second direction.
4. The motor endbell wire boot press-on hand tool of claim 3, wherein, The sliding guide structure is a guide sliding groove provided on the positioning base, and the sliding block is in sliding fit with the guide sliding groove.
5. The motor endbell wire boot press-on hand tool of claim 4, wherein, The reset member is a spring, and spring mounting grooves are provided on the opposite side walls of the guide sliding groove, and protruding parts are provided on the opposite sides of the sliding block, which extend into the spring mounting grooves, the front end of the spring abuts against the front end of the spring mounting groove, and the rear end of the spring abuts against the protruding part.
6. The motor endbell wire boot press-on hand tool of claim 2, wherein, The rear end of the sliding block is provided with a rear protruding convex surface, and the driven surface is formed on the convex surface.
7. The motor endbell wire boot press-on hand tool of claim 1, wherein, The first end of the sliding block is provided with an arc-shaped pressing port.
8. The motor endbell wire boot press-on hand tool of claim 4, wherein, The positioning base comprises a bottom plate, and the opposite sides of the bottom plate are provided with bosses, and the bosses are fixed with cover plates to form the guide sliding groove between the two bosses and the cover plates.
9. The motor endbell wire boot press-on hand tool of claim 8, wherein, The cover plate is fixed on the bosses by screws.
10. The motor endbell wire boot press-on hand tool of claim 8, wherein, The positioning structure is a positioning groove provided on the bottom plate, and the motor rear end cover passes through the positioning groove.