Self-adaptive tensioning adjusting device for belt

Abstract

The utility model discloses a self-adaptive tensioning adjusting device for a belt. The self-adaptive tensioning adjusting device comprises a shell, a bayonet socket, an adjusting screw rod and a clamping piece, the shell is provided with a cavity, a first check block and a second check block are arranged in the cavity, and the first check block and the second check block are arranged in a spaced mode so that a compression area can be formed between the first check block and the second check block; the bayonet socket is connected into the cavity, and the bayonet socket is located outside the compression area; the adjusting screw rod comprises a driving section and a threaded section, and the threaded section penetrates through the bayonet socket and extends into the compression area; the clamping piece is arranged in the cavity, and the adjusting screw rod is connected with the clamping piece so that displacement of the adjusting screw rod can be limited through the clamping piece. The tail end of the adjusting screw rod is sleeved with a spring, the threaded section is screwed with a pressing block, and the pressing block and the spring are located in the compression area; the adjusting screw rotates in the cavity to drive the pressing block to displace and be movably connected with the spring, and the compression state of the spring is changed through the displaced pressing block. The device has the advantages of simple structure, compact matching, reasonable design and the like; therefore, the device is a product with excellent technical and economical performance.

Description

[Technical Field]

[0001] This utility model mainly relates to a belt adaptive tension adjustment device. [Background Technology]

[0002] For multi-door linkage systems such as sliding doors, belts can transmit power to each door leaf, enabling them to move synchronously when pushed or pulled, thus ensuring the overall coordination and stability of the doors.

[0003] During installation, space constraints make it inconvenient to fasten the belt to the connector. Furthermore, existing connectors often have fixed pulleys, preventing adjustment and ensuring a secure connection even after the belt is fastened. This can lead to belt slippage and unstable transmission. Therefore, we have improved the connector's structure to ensure a tight connection with the belt, preventing slippage. [Utility Model Content]

[0004] To solve at least one of the above problems, this utility model proposes a new structural solution. The adaptive belt tension adjustment device adopts the following technical solution:

[0005] An adaptive belt tension adjustment device includes a housing, a connector, an adjusting screw, and a snap-fit ​​component. The housing has a cavity, within which a first stop and a second stop are provided. The first stop and the second stop are spaced apart to form a compression zone between them. The connector is inserted into the cavity and is located outside the compression zone.

[0006] The adjusting screw includes a drive section and a threaded section. The threaded section passes through the plug-in seat and extends into the compression zone. The snap-fit ​​element is located in the cavity, and the adjusting screw is connected to the snap-fit ​​element to limit the displacement of the adjusting screw through the snap-fit ​​element.

[0007] A spring is sleeved at the end of the adjusting screw, and a pressure block is screwed onto the threaded section. The pressure block and the spring are located in the compression zone. The adjusting screw rotates in the cavity to drive the pressure block to move and connect with the spring. The compression state of the spring is changed by the displacement of the pressure block.

[0008] The top of the housing is provided with a top plate, and a pulley is installed on the top plate; a connecting member is provided in the compression zone, the connecting member is sleeved on the threaded section and connected to the spring, the pressure block and the connecting member are respectively located at both ends of the spring, and the connecting member is fixedly connected to the top plate.

[0009] Preferably, a protrusion extends from the bottom end of the connector.

[0010] Preferably, the adjusting screw is provided with an annular groove, and the snap-fit ​​component is provided with a snap-fit ​​opening. The snap-fit ​​component is assembled onto the adjusting screw by engaging with the annular groove through the snap-fit ​​opening, so that the adjusting screw can rotate relative to the snap-fit ​​component.

[0011] Preferably, the adjusting screw is an integral structure, and the drive section is provided with a torsion port. The adjusting screw is driven to rotate as a whole by rotating the drive section.

[0012] Preferably, the housing is a one-piece structure, and the side of the housing is provided with a protruding guide portion.

[0013] Preferably, the housing has an insertion opening, and the side wall of the connector has a protruding insertion portion, which is connected to the insertion opening to define the position of the connector installed in the housing.

[0014] Preferably, the connector has a first through cavity and a second through cavity, the adjusting screw passes through the first through cavity, and the driving section of the adjusting screw is close to the port position of the first through cavity.

[0015] Preferably, the second cavity is located at the bottom of the connector, and the bottom of the second cavity is open, and a clamping screw is screwed into the second cavity.

[0016] Preferably, the top plate is provided with a strip groove and a locking member is provided on the top plate. The locking member passes through the strip groove and is connected to the housing so as to limit the range of motion of the top plate through the strip groove.

[0017] The beneficial effects of this utility model compared with the prior art are:

[0018] This utility model proposes a belt adaptive tension adjustment device, comprising a housing, a connector, an adjusting screw, and a locking component. The housing contains a compression zone, into which the adjusting screw passes for a spring to engage. The belt is fastened to a pulley on a top plate, which is fixed to a connecting component. The connecting component can move along the adjusting screw to change the position of the pulley, facilitating belt fastening. Simultaneously, the spring connects to the connecting component and a pressure block; rotating the adjusting screw changes the spring's compression state. After the belt is fastened to the pulley, the spring pushes the connecting component to maintain a tight connection between the pulley and the belt, solving the problem of loosening common in existing fixed connecting seats. The driving section of the adjusting screw is near the port of the first through cavity, allowing for direct observation of its position and easy rotation. Furthermore, a protrusion extends from the bottom of the connector, keeping the belt adaptive tension adjustment device at the end of the slide rail for easy assembly and disassembly. It features a simple structure, compact fit, and reasonable design; therefore, it is a product with superior technical and economic performance. [Attached Image Description]

[0019] Figure 1 A schematic diagram of the belt adaptive tension adjustment device in a preferred embodiment of this utility model;

[0020] Figure 2 An exploded view of the belt adaptive tension adjustment device in a preferred embodiment of this utility model;

[0021] Figure 3 A partially exploded view of the belt adaptive tension adjustment device in a preferred embodiment of this utility model;

[0022] Figure 4 This is a schematic diagram of the adjusting screw in a preferred embodiment of the present invention.

Detailed Implementation Methods

[0023] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0024] In this utility model, unless otherwise explicitly specified and limited, the terms "assembly," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can also refer to a mechanical connection; they can refer to a direct connection or a connection through an intermediate medium; or they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0025] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0026] The preferred embodiment provided by this utility model is as follows: Figures 1-4 As shown, a belt adaptive tension adjustment device includes a housing 1, a plug-in seat 2, an adjusting screw 3, and a snap-fit ​​component 4. The bottom of the housing 1 is open, and the housing 1 has a cavity 11. A first stop 12 and a second stop 13 are provided in the cavity 11. The first stop 12 and the second stop 13 are spaced apart to form a compression zone 14 between the first stop 12 and the second stop 13. The plug-in seat 2 is connected to the cavity 11 and is located outside the compression zone 14. The snap-fit ​​component 4 is also located outside the compression zone 14.

[0027] The adjusting screw 3 includes a drive section 31 and a threaded section 32. The threaded section 32 passes through the plug-in seat 2 and extends into the compression zone 14. The snap-fit ​​member 4 is located in the cavity 11, and the adjusting screw 3 is connected to the snap-fit ​​member 4 to limit the displacement of the adjusting screw 3. A spring 5 is sleeved at the end of the adjusting screw 3, and a pressure block 6 is screwed onto the threaded section 32. The pressure block 6 and the spring 5 are located in the compression zone 14. The adjusting screw 3 rotates in the cavity 11 to drive the pressure block 6 to move and connect movably with the spring 5. The compression state of the spring 5 is changed by the displacement of the pressure block 6.

[0028] The adjusting screw 3 has an annular groove 33, and the snap-fit ​​part 4 has a snap-fit ​​opening 41. The snap-fit ​​part 4 is engaged with the annular groove 33 to assemble the adjusting screw 3, allowing the adjusting screw 3 to rotate relative to the snap-fit ​​part 4. The annular groove 33 is located in the drive section 31. The adjusting screw 3 is a one-piece structure, and the drive section 31 has a torsion opening 34. Rotating the drive section 31 drives the adjusting screw 3 to rotate as a whole. In this embodiment, the torsion opening 34 is a hexagonal notch. A tool is inserted into the torsion opening 34, and rotating the drive section 31 drives the adjusting screw 3 to rotate as a whole.

[0029] The housing 1 is a one-piece structure, and a protruding guide portion 15 is provided on the side of the housing 1. The housing 1 is connected to the slide rail through the guide portion 15 to facilitate the matching and installation of the belt adaptive tension adjustment device with the slide rail. The housing 1 is provided with an insertion port 16, and the side wall of the plug-in seat 2 is provided with a protruding fitting portion 21. The shape and size of the fitting portion and the insertion port correspond to each other. The fitting portion 21 is connected to the insertion port 16 to define the position of the plug-in seat 2 installed on the housing 1.

[0030] A protrusion 22 extends from the bottom end of the connector 2, which restricts the installation position of the belt adaptive tension adjustment device on the slide rail. The connector 2 has a first through cavity 23 and a second through cavity 24. The adjusting screw 3 passes through the first through cavity 23, and the driving section 31 of the adjusting screw 3 is close to the port of the first through cavity 23, making it easy to observe the position of the adjusting screw 3 and facilitates turning. The second through cavity 24 is located at the bottom of the connector 2, and the bottom of the second through cavity 24 is open. A clamping screw 25 is screwed into the second through cavity 24. After the belt adaptive tension adjustment device is installed in the slide rail, tightening the clamping screw, along with the guide part 15, secures the belt adaptive tension adjustment device to the slide rail. The protrusion 22 prevents the belt adaptive tension adjustment device from entering the slide rail, keeping the belt adaptive tension adjustment device at the end of the slide rail for easy installation and removal.

[0031] The top of the housing 1 is provided with a top plate 7, on which a pulley 71 is installed. The top plate 7 is independent of the housing 1 so that the two can move relative to each other, facilitating belt fastening to the pulley 71. A connecting member 72 is provided in the compression zone 14. The connecting member 72 is generally L-shaped to facilitate simultaneous connection of the top plate 7 and the adjusting screw 3. The connecting member 72 is sleeved on the threaded section 32 and connected to the spring 5. The pressure block 6 and the connecting member 72 are located at opposite ends of the spring 5, and the connecting member 72 is fixedly connected to the top plate 7. The top plate 7 is provided with a strip groove 73 and is equipped with a locking member 74. The locking member 74 passes through the strip groove 73 and is connected to the housing 1 to limit the range of motion of the top plate 7 through the strip groove 73. At the same time, the strip groove 73 also serves to guide the movement of the top plate 7. The locking member 74 adopts a conventional screw structure.

[0032] In the description of this specification, references to terms such as "an embodiment," "preferred," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. Illustrative expressions of the above terms in this specification 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.

[0033] Based on the above description of the structure and principle, those skilled in the art should understand that this utility model is not limited to the specific embodiments described above. Improvements and substitutions made using techniques known in the art based on this utility model all fall within the protection scope of this utility model and should be defined by the claims.

Claims

1. A belt adaptive tension adjustment device, characterized in that: It includes a housing, a connector, an adjusting screw, and a snap-fit ​​component; the housing has a cavity, and a first stop and a second stop are provided in the cavity, the first stop and the second stop are separated to form a compression zone between the first stop and the second stop; the connector is connected to the cavity and is located outside the compression zone; The adjusting screw includes a drive section and a threaded section. The threaded section passes through the plug-in seat and extends into the compression zone. The snap-fit ​​element is located in the cavity, and the adjusting screw is connected to the snap-fit ​​element to limit the displacement of the adjusting screw through the snap-fit ​​element. A spring is sleeved at the end of the adjusting screw, and a pressure block is screwed onto the threaded section. The pressure block and the spring are located in the compression zone. The adjusting screw rotates in the cavity to drive the pressure block to move and connect with the spring, thereby changing the compression state of the spring through the displacement of the pressure block; The top of the housing is provided with a top plate, and a pulley is installed on the top plate; a connecting member is provided in the compression zone, the connecting member is sleeved on the threaded section and connected to the spring, the pressure block and the connecting member are respectively located at both ends of the spring, and the connecting member is fixedly connected to the top plate.

2. The belt adaptive tension adjustment device according to claim 1, characterized in that: The bottom of the connector extends into a protrusion.

3. The belt adaptive tension adjustment device according to claim 1, characterized in that: The adjusting screw has an annular groove, and the snap-fit ​​part has a snap-fit ​​opening. The snap-fit ​​part is assembled onto the adjusting screw by engaging with the annular groove through the snap-fit ​​opening, so that the adjusting screw can rotate relative to the snap-fit ​​part.

4. The belt adaptive tension adjustment device according to claim 1, characterized in that: The adjusting screw is an integral structure, and the drive section is equipped with a torsion port. By rotating the drive section, the adjusting screw is driven to rotate as a whole.

5. The belt adaptive tension adjustment device according to claim 1, characterized in that: The housing is a one-piece structure, with a protruding guide portion on the side of the housing.

6. The belt adaptive tension adjustment device according to claim 1, characterized in that: The housing has an insertion port, and the side wall of the connector has a protruding insertion part. The insertion part is connected to the insertion port to define the position of the connector installed in the housing.

7. The belt adaptive tension adjustment device according to claim 1, characterized in that: The connector has a first cavity and a second cavity, with an adjusting screw inserted into the first cavity and the rotating section of the adjusting screw close to the port of the first cavity.

8. The belt adaptive tension adjustment device according to claim 7, characterized in that: The second cavity is located at the bottom of the connector, and the bottom of the second cavity is open. A clamping screw is screwed into the second cavity.

9. The belt adaptive tension adjustment device according to claim 1, characterized in that: The top plate has a strip-shaped groove and is equipped with a locking device. The locking device passes through the strip-shaped groove and is connected to the housing to limit the range of motion of the top plate through the strip-shaped groove.

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