Pulley assembly structure convenient to assemble, disassemble and maintain
By disassembling the guide wheel assembly into mother and daughter components and adopting a convex-concave plug-in structure, the problem of large space requirements for disassembly and assembly of the integral guide wheel assembly is solved, realizing convenient assembly and disassembly and compact design in a small space.
Patent Information
- Application Number
- CN202520024587.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-06
AI Technical Summary
The existing guide wheel assembly is an integral structure, which requires a large operating space for disassembly and assembly, resulting in inconvenience for maintenance.
The pulley assembly adopts a detachable structure, dividing it into a sub-guide wheel assembly and a female guide wheel assembly. It can be easily assembled and disassembled through the cooperation of protrusions, recesses, plugs and bayonets, and is assembled by using the sliding grooves and interfaces on the base.
It enables convenient assembly and disassembly within a small space, reducing the need for operating space and improving the convenience and compactness of maintenance.
Smart Images

Figure CN223707401U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model mainly relates to a pulley assembly structure convenient to assemble, disassemble and maintain. BACKGROUND
[0002] The guide wheel assembly is the main component of the sliding door in the sliding direction, is generally connected with the buffer and is installed on the guide rail of the sliding door, but the existing guide wheel assembly is mostly the integral structure, needs the larger operation space when disassembling, so it is necessary to remove a plurality of components to make more space, and the inconvenient disassembly structure makes the guide wheel assembly difficult to maintain. UTILITY MODEL CONTENTS
[0003] In order to solve at least one of the above problems, the utility model provides a new structure scheme, and the pulley assembly structure convenient to assemble, disassemble and maintain adopts the following technical scheme.
[0004] A pulley assembly structure convenient to assemble, disassemble and maintain, which comprises a base, a sub-guide wheel assembly and a parent guide wheel assembly.
[0005] The sub-guide wheel assembly comprises a sub-plug-in seat and a first guide wheel body, and the first guide wheel body is hinged to the left side of the sub-plug-in seat; the parent guide wheel assembly comprises a parent plug-in seat and a second guide wheel body, and the second guide wheel body is hinged to the right side of the parent plug-in seat.
[0006] The base is provided with a sliding groove and an interface, the parent plug-in seat is connected to the sliding groove and connected to the interface, the sub-plug-in seat is connected to the sliding groove after the parent plug-in seat is connected to the sliding groove, and the sub-plug-in seat is connected to the interface.
[0007] Preferably, one end of the parent plug-in seat connected to the interface is provided with a first protrusion, one end of the sub-plug-in seat connected to the interface is provided with a second protrusion, the first protrusion and the second protrusion are spliced and simultaneously connected to the interface to limit the positions of the parent guide wheel assembly and the sub-guide wheel assembly in the base.
[0008] Preferably, the first protrusion extends a clamping part to the left side of the parent plug-in seat, the second protrusion is provided with a notch, and the first protrusion and the second protrusion are assembled together through the clamping part and the notch.
[0009] Preferably, the sub-plug-in seat extends a plug to the right side thereof, the left side of the parent plug-in seat is provided with a clamping hole, and the right side of the sub-plug-in seat and the left side of the parent plug-in seat are spliced together through the plug and the clamping hole.
[0010] Preferably, the sub-plug-in seat and the parent plug-in seat are both provided with guide blocks, and the sub-plug-in seat and the parent plug-in seat are connected to the sliding groove through the guide blocks.
[0011] Preferably, the base is provided with a threaded hole, the male and female plug-in sockets are provided with a clamping position, and the locking member penetrates the threaded hole and connects the clamping positions of the male and female plug-in sockets to limit the male and female guide wheel assemblies in the base.
[0012] Compared with the background art, the utility model has the beneficial effects that:
[0013] The utility model discloses a pulley assembly structure convenient to assemble, disassemble and maintain, which adopts a split assembly structure, splits an integral body into two halves for splicing and assembly, and the half guide wheel assembly is smaller in size compared with the traditional integral guide wheel assembly, so that a larger space is not needed to be left out, and the assembly and disassembly work can be realized in a small space, which is more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The utility model provides the pulley assembly structure convenient to assemble, disassemble and maintain in the preferred embodiment of the utility model application state schematic drawing of application;
[0015] Figure 2 The utility model provides the pulley assembly structure convenient to assemble, disassemble and maintain in the preferred embodiment of the utility model application schematic diagram;
[0016] Figure 3 The utility model provides the pulley assembly structure convenient to assemble, disassemble and maintain in the preferred embodiment of the utility model application first perspective exploded view schematic diagram;
[0017] Figure 4 The utility model provides the pulley assembly structure convenient to assemble, disassemble and maintain in the preferred embodiment of the utility model application second perspective exploded view schematic diagram;
[0018] Figure 5 The utility model provides the pulley assembly structure convenient to assemble, disassemble and maintain in the preferred embodiment of the utility model application third perspective exploded view schematic diagram. DETAILED DESCRIPTION
[0019] The embodiments of the utility model are described in detail below, and the embodiment examples are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout.
[0020] In the utility model, except for being explicitly defined and limited, if the terms "assembling", "connecting" and "connecting" are used, they should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be directly connected, can be connected through an intermediate medium, or can be connected in the internal of two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.
[0021] The technical scheme and beneficial effects of the utility model will be clearer and more explicit by further describing the specific implementation manners of the utility model in combination with the accompanying drawings of the specification. The following description of the embodiments by referring to the accompanying drawings is exemplary and aims to explain the utility model, and cannot be understood as limiting the utility model.
[0022] The preferred embodiment provided by the utility model shows a pulley assembly structure convenient to assemble, disassemble and maintain, which comprises a base 1, a sub-guide pulley assembly 2 and a female guide pulley assembly 3, Figures 1-5
[0023] The sub-guide pulley assembly 2 comprises a sub-plug-in seat 21 and a first guide pulley body 22, and the first guide pulley body 22 is hinged to the left side of the sub-plug-in seat 21; the female guide pulley assembly 3 comprises a female plug-in seat 31 and a second guide pulley body 32, and the second guide pulley body 32 is hinged to the right side of the female plug-in seat 31; the first guide pulley body and the second guide pulley body adopt the existing roller structure.
[0024] The base 1 is provided with a sliding groove 11 and an interface 12, the female plug-in seat 31 is connected to the sliding groove 11 and connected to the interface 12; the sub-plug-in seat 21 is connected to the sliding groove 11 again after the female plug-in seat 31 is connected to the sliding groove 11, and connected to the interface 12. The sub-plug-in seat 21 and the female plug-in seat 31 are both provided with a guide block 13, the sliding groove 11 is concave to the two sides so as to better clamp the sub-plug-in seat and the female plug-in seat, and the sub-plug-in seat 21 and the female plug-in seat 31 are connected through the guide block 13 and the sliding groove 11. The base 1 is provided with a screw hole 14, the sub-plug-in seat 21 and the female plug-in seat 31 are both provided with a clamping position 15, the positions of the two clamping positions correspond to each other, a single clamping position is semicircular, a locking piece is connected to the screw hole 14 and connected to the clamping positions 15 of the two sub-plug-in seat 21 and female plug-in seat 31, so as to limit the sub-guide pulley assembly 2 and the female guide pulley assembly 3 in the base 1, and the locking piece adopts a conventional screw.
[0025] One end of the female plug-in seat 31 connected to the interface 12 is provided with a first protruding head 33, one end of the sub-plug-in seat 21 connected to the interface 12 is provided with a second protruding head 23, the first protruding head 33 and the second protruding head 23 respectively protrude from the end of the component, so as to be convenient to connect with the interface 12, the first protruding head 33 and the second protruding head 23 are spliced and connected to the interface 12 at the same time, so as to limit the positions of the female guide pulley assembly 3 and the sub-guide pulley assembly 2 in the base 1. The first protruding head 33 extends a clamping part 34 to the left side of the female plug-in seat 31, the second protruding head 23 is provided with a notch 24, the first protruding head 33 and the second protruding head 23 are assembled together through the clamping part 34 and the notch 24; the notch 24 has an open end, so as to be convenient for the clamping part 34 to be inserted into the notch 24 from the open end.
[0026] The sub-socket 21 extends a plug 25 to the right side thereof, and the left side of the female socket 31 is provided with a bayonet 35 having an open end for inserting the plug 25 into the bayonet 35 from the open end, and the plug 25 and the bayonet 35 are connected to splice the right side of the sub-guide wheel assembly 2 and the left side of the female guide wheel assembly 3 together. The plug 25 and the bayonet 35, the first lug 33 and the second lug 23 are connected to accurately splice the sub-guide wheel assembly 2 and the female guide wheel assembly 3 together.
[0027] In the structure, the base 1 is used to connect the buffer to assemble the guide wheel assembly and the buffer together. When installing, the female socket 31 is connected into the sliding slot 11 to connect the female guide wheel assembly 3 to the base 1, and then the sub-socket 21 is connected into the sliding slot 11 to connect the sub-guide wheel assembly 2 to the base 1, and the plug 25 and the bayonet 35, the first lug 33 and the second lug 23 are connected to accurately splice the sub-guide wheel assembly 2 and the female guide wheel assembly 3 together. The locking piece penetrates the threaded hole 14 and connects the clamping position 15 of the sub-socket 21 and the female socket 31 to limit the sub-guide wheel assembly 2 and the female guide wheel assembly 3 in the base 1. Since the guide wheel assembly adopts the split assembly structure to split one whole into two halves for splicing and assembling, the half guide wheel assembly is smaller than the traditional whole guide wheel assembly, so it does not need to occupy more space and can be installed and disassembled in a small space, which is more convenient.
[0028] In the description of the specification, the description of the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model, and the illustrative description of the above terms in the specification does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0029] Through the above description of the structure and principle, those skilled in the art should understand that the utility model is not limited to the above specific embodiments, and improvements and replacements of the known technology in the art based on the utility model all fall within the protection scope of the utility model, which should be limited by the claims.
Claims
1. A pulley assembly structure for easy assembly and disassembly for maintenance, characterized by: It includes a base, a sub-guide wheel assembly and a female guide wheel assembly; The sub-guide wheel assembly includes a sub-plug seat and a first guide wheel body, and the first guide wheel body is hinged to the left side of the sub-plug seat; the female guide wheel assembly includes a female plug seat and a second guide wheel body, and the second guide wheel body is hinged to the right side of the female plug seat; The base is provided with a sliding groove and an interface, the female plug seat is connected to the sliding groove and connected to the interface; the sub-plug seat is connected to the sliding groove after the female plug seat is connected to the sliding groove, and is connected to the interface.
2. A pulley assembly structure for easy assembly and disassembly maintenance according to claim 1, characterized in that: The end of the female plug seat connected to the interface is provided with a first protrusion, the end of the sub-plug seat connected to the interface is provided with a second protrusion, the first protrusion and the second protrusion are spliced and connected to the interface at the same time to limit the position of the female guide wheel assembly and the sub-guide wheel assembly in the base.
3. A pulley assembly structure for easy assembly and disassembly maintenance according to claim 2, characterized in that: The first protrusion extends a clamping part to the left side of the female plug seat, the second protrusion is provided with a notch, and the first protrusion and the second protrusion are assembled together through the clamping part and the notch.
4. The pulley assembly structure of claim 1, wherein: The sub-plug seat extends a plug to the right side thereof, and the left side of the female plug seat is provided with a socket, and the right side of the sub-plug seat and the left side of the female plug seat are spliced together through the plug and the socket.
5. The pulley assembly structure of claim 1, wherein: The sub-plug seat and the female plug seat are both provided with a guide block, and the sub-plug seat and the female plug seat are connected to the sliding groove through the guide block.
6. The pulley assembly structure of claim 1, wherein: The base is provided with a screw hole, the sub-plug seat and the female plug seat are both provided with a clamping part, a locking piece is connected to the screw hole and the clamping parts of the sub-plug seat and the female plug seat to limit the sub-guide wheel assembly and the female guide wheel assembly in the base.