Safety transmission assembly capable of avoiding loosening
By using locking blocks and fixing rods, along with threaded connections, the problem of loosening caused by centrifugal force during the use of safety transmission components is solved, achieving stable connection and convenient assembly.
Patent Information
- Application Number
- CN202520774456.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-04-23
AI Technical Summary
Existing safety transmission components are prone to bolt loosening due to centrifugal force during use, and are inconvenient to assemble.
The structure employs limit blocks, movable plates, and fixing rods, using snap-fit and threaded connections to ensure a stable connection between the connecting kit and the rotating shaft mounting block, preventing loosening. The fixing rod is also limited by the limit plate and limit rod to prevent loosening.
This achieves a stable connection of the safety transmission components, avoids loosening, and improves assembly convenience and installation efficiency.
Smart Images

Figure CN223609151U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to safe transmission assembly technical field, concretely is a kind of safe transmission assembly of avoiding loosening. BACKGROUND
[0002] Safe transmission assembly is a kind of combined structure that can play stable transmission function, integrates various safety functions in transmission system, to ensure the operation safety of mechanical equipment, prevent accidents, these functions include but are not limited to overload protection, overheat protection, emergency stop function, fault diagnosis etc., not only can provide accurate process control and significant energy efficiency improvement, also can help mechanical manufacturer to meet safety standards and reduce system complexity.
[0003] In combination with existing scheme and actual production and processing use, current safe transmission assembly still has some problems, for example:
[0004] The existing safe transmission assembly reduces the gap between connecting piece and the inner side wall of rotating shaft after installing bolt to prevent loosening, in use process, strong centrifugal force can easily make bolt fly out, thereby causing safe transmission assembly to loosen;
[0005] The existing safe transmission assembly is installed to machine rotating shaft by bolt, and the bolt is prone to loosening during use, therefore, the utility model provides a kind of safe transmission assembly of avoiding loosening to solve the problems proposed above. INVENTION CONTENTS
[0006] The utility model aims at providing a kind of safe transmission assembly of avoiding loosening to solve the problems proposed in the above background that the loosening effect of safe transmission assembly is not good, and the assembly of safe transmission assembly is not convenient enough.
[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of safe transmission assembly of avoiding loosening, including connecting rotating shaft, its left side fixed mounting rotating shaft mounting block, and the inside left side of rotating shaft mounting block is movably connected with connecting sleeve kit, the left side of connecting sleeve kit is movably connected with rotating shaft connecting piece, and the middle left side of rotating shaft connecting piece is connected with machine rotating shaft;
[0008] Further comprising:
[0009] Connecting mounting block, its fixed mounting in the inside middle side of rotating shaft mounting block, and the right end outer side of rotating shaft mounting block is movably connected with limit structure;
[0010] Connecting sleeve kit, its inside middle side is movably connected with assembly structure.
[0011] Preferably, the assembly structure includes a limiting block installed on the right side inside the connecting kit, and a movable plate that serves as a limit is movably connected to the left side inside the connecting kit. The left side of the movable plate is fixedly connected to the rotating shaft connector, and a connecting mounting rod is movably connected to the outer right end of the movable plate. A fixing rod is movably connected to the outer right end of the connecting kit.
[0012] Preferably, the limiting block and the connecting mounting block are connected by a snap-fit mechanism, and a protrusion structure is provided on the inner side of the right end of the limiting block.
[0013] Preferably, the movable plate and the connecting kit are connected by sliding, and the vertical cross-section of the movable plate is an "I" shaped structure, and the movable plate and the limiting block are connected by fitting.
[0014] Preferably, the limiting structure includes a limiting plate installed on the outer side of the right end of the rotating shaft mounting block, and a limiting rod is movably connected to the outer side of the right end of the limiting plate.
[0015] Preferably, the limiting plate and the fixing rod are fitted together, and the vertical cross-section of the limiting plate is an "L" shaped structure.
[0016] Preferably, the inner left side of the rotating shaft connector is also connected to a connecting spring, and the inner side of the connecting spring is movably connected to a sealing plug that serves as a limit, and the inner side of the sealing plug is movably connected to a connecting mounting rod.
[0017] Preferably, the connecting spring and the sealing plug are connected by a sliding manner, and the connecting spring is symmetrically distributed about the center line of the sealing plug.
[0018] Compared with the prior art, the beneficial effects of this utility model are: the safety transmission component that prevents loosening is convenient to assemble, convenient to prevent loosening of the safety transmission component, and convenient to install the machine shaft;
[0019] By placing the connecting kit on the left side of the pivot mounting block, the connecting kit is engaged inside the pivot mounting block, and then engaged on the outside of the connecting mounting block. Rotating the fixing rod causes it to be threaded on the outside of the pivot mounting block, and then threaded on the right side of the connecting kit. The limiting block is then engaged on the inside left side of the connecting kit, and the moving plate is then engaged on the inside left side of the connecting kit. Pushing the moving plate to the right causes it to slide to the right inside the connecting kit, which in turn pushes the connecting mounting block to slide to the right, thus engaging the limiting block on the left side of the connecting mounting block. This facilitates the assembly of the pivot mounting block and the connecting kit.
[0020] By placing the machine shaft on the left side of the shaft connecting piece, the machine shaft is clamped and connected in the middle of the shaft connecting piece, the connecting installation rod is rotated, the connecting installation rod is threadedly connected on the left side in the shaft connecting piece, so that the connecting installation rod slides to the inside on the left side in the shaft connecting piece, and then the connecting installation rod is threadedly connected on the right end outside of the machine shaft, so that the machine shaft is conveniently installed;
[0021] By placing the limiting plate on the right end outside of the shaft mounting block, the limiting plate is attached to the outside of the fixed rod, the limiting rod is rotated, the limiting rod is threadedly connected on the right side in the middle of the limiting plate, so that the limiting rod slides to the left side in the middle of the limiting plate, and then the limiting rod is threadedly connected on the right end outside of the shaft mounting block, so that the fixed rod is conveniently limited, and loosening between the connecting sleeve and the shaft mounting block is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a whole section structure schematic view of the connecting shaft and the shaft mounting block connection of the utility model;
[0023] Figure 2 It is the utility model Figure 1 The enlarged structure schematic view of A place in the middle;
[0024] Figure 3 It is the utility model Figure 1 The enlarged structure schematic view of B place in the middle;
[0025] Figure 4 It is a whole section structure schematic view of the shaft mounting block and the connecting installation block connection of the utility model;
[0026] Figure 5 It is the utility model Figure 5 The enlarged structure schematic view of C place in the middle;
[0027] Figure 6 It is an explosion structure schematic view of the connecting installation block and the limiting block connection of the utility model.
[0028] In the drawing: 1, connecting shaft; 2, shaft mounting block; 3, connecting sleeve; 4, shaft connecting piece; 5, machine shaft; 6, limiting block; 7, fixed rod; 8, moving plate; 9, connecting installation block; 10, limiting plate; 11, limiting rod; 12, connecting installation rod; 13, connecting installation rod; 14, connecting spring piece; 15, sealing plug. DETAILED DESCRIPTION
[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.
[0030] Please refer to Figures 1-6 The present application provides a technical solution: a safety transmission assembly capable of avoiding loosening, comprising a connecting shaft 1, a shaft mounting block 2, a connecting sleeve 3, a shaft connecting piece 4, a machine shaft 5, a limiting block 6, a fixed rod 7, a moving plate 8, a connecting mounting block 9, a limiting plate 10, a limiting rod 11, a connecting mounting rod 12, a connecting installation rod 13, a connecting spring piece 14 and a sealing plug 15. When working, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 6 , the shaft mounting block 2 is fixedly installed on the left side of the connecting shaft 1, the connecting mounting block 9 is fixedly arranged in the middle of the shaft mounting block 2, the connecting sleeve 3 is movably connected to the outer side of the left end of the connecting mounting block 9, the connecting sleeve 3 is placed on the left side of the shaft mounting block 2 manually, the connecting sleeve 3 slides to the right side in the shaft mounting block 2 under the manual pushing action, the connecting sleeve 3 is clamped and connected to the outer side of the connecting mounting block 9 under the right sliding action of the connecting sleeve 3, the fixed rod 7 is screwed, the fixed rod 7 is screw-connected to the outer side of the middle of the shaft mounting block 2 under the screwing action, the fixed rod 7 moves inwardly under the screw action between the fixed rod 7 and the shaft mounting block 2, and the fixed rod 7 is screw-connected to the outer side of the right end of the connecting sleeve 3 under the moving action of the fixed rod 7.
[0031] Specifically as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 6As shown, the connecting mounting block 9 is placed inside the left side of the connecting kit 3 and pushed to the right, so that the connecting mounting block 9 is moved to the right inside the connecting kit 3 under the pushing action, and then the moving plate 8 is placed on the left side of the connecting kit 3, so that the moving plate 8 is clamped and mounted on the left side inside the connecting kit 3, and then the moving plate 8 is pushed to the right side, so that the moving plate 8 slides to the right side inside the connecting kit 3 under the pushing action, so that the moving plate 8 drives the limiting block 6 to slide to the right side under the sliding action between the moving plate 8 and the connecting kit 3, so that the limiting block 6 moves to the left end outside of the connecting mounting block 9, so that the right end of the limiting block 6 is moved outward under the pushing action of the connecting mounting block 9, so that the limiting block 6 is clamped and connected at the left end of the connecting mounting block 9 under the pushing action, and then the connecting mounting rod 12 mounted on the outer side of the middle part of the connecting kit 3 is screwed, so that the connecting mounting rod 12 is screw-connected on the outer side of the middle part of the connecting kit 3 under the screwing action, so that the connecting mounting rod 12 slides inward under the screw action between the connecting mounting rod 12 and the connecting kit 3, so that the connecting mounting rod 12 is screw-connected on the outer side of the moving plate 8 under the movement of the connecting mounting rod 12 to the inner side, facilitating the assembly between the connecting kit 3 and the rotating shaft mounting block 2.
[0032] Specifically as shown in Figure 1 , Figure 2 , Figure 3 and Figure 6 , the rotating shaft connecting piece 4 is fixedly installed at the left end of the moving plate 8, the machine rotating shaft 5 is movably installed at the inside left side of the rotating shaft connecting piece 4, and the connecting mounting rod 13 is movably connected at the inside middle side of the rotating shaft connecting piece 4, the rotating shaft connecting piece 4 is placed on the right side of the machine rotating shaft 5 and pushed to the left side, so that the rotating shaft connecting piece 4 is clamped and mounted on the right end outside of the machine rotating shaft 5 under the pushing action, and then the connecting mounting rod 13 installed in the inside middle side of the rotating shaft connecting piece 4 is screwed, so that the connecting mounting rod 13 is screw-connected in the inside middle side of the rotating shaft connecting piece 4 under the screwing action, so that the connecting mounting rod 13 moves to the inner side under the screw action between the connecting mounting rod 13 and the rotating shaft connecting piece 4, so that the connecting mounting rod 13 is screw-connected on the right end outside of the machine rotating shaft 5 under the movement of the connecting mounting rod 13, facilitating the installation of the machine rotating shaft 5.
[0033] Specifically as shown in Figure 1 , Figure 2 and Figure 3 Figure 6 Figure 1 Figure 2 Figure 5As shown, the limiting plate 10 is movably connected to the outer right end of the shaft mounting block 2, the limiting rod 11 is movably connected to the right middle of the limiting plate 10, the limiting plate 10 is manually placed on the outer right end of the shaft mounting block 2, so that the limiting plate 10 is attached to the outer side of the fixed rod 7, the limiting rod 11 is screwed, so that the limiting rod 11 is screw-connected to the right middle of the limiting plate 10 under the action of screwing, so that the limiting rod 11 moves to the left under the action of screwing between the limiting rod 11 and the limiting plate 10, and then the limiting rod 11 is screw-connected to the outer right end of the shaft mounting block 2 under the action of the movement of the limiting rod 11, so that the fixed rod 7 is conveniently limited, so that the shaft mounting block 2 and the connecting sleeve 3 are prevented from loosening, the limiting block 6 and the connecting mounting block 9 are clamped and connected, so that the shaft mounting block 2 and the connecting sleeve 3 are further prevented from loosening, the connecting spring 14 is fixedly installed on the inner left side of the shaft connecting piece 4, the sealing plug 15 is movably connected to the inner side of the connecting spring 14, the sealing plug 15 is manually placed on the outer left end of the shaft connecting piece 4, and the sealing plug 15 is manually pushed inward, so that the sealing plug 15 slides inward on the inner left side of the shaft connecting piece 4 under the action of pushing, so that the sealing plug 15 slides on the outer side of the connecting spring 14, and then the sealing plug 15 is clamped and connected on the inner side of the connecting spring 14, so that the sealing plug 15 is conveniently limited, and the connecting rod 13 is prevented from loosening.
[0034] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, and the contents not described in detail in the description belong to the prior art known to the person skilled in the art.
[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A safety transmission assembly to prevent loosening, comprising a connecting shaft (1), a shaft mounting block (2) fixedly mounted on the left side thereof, and a connecting kit (3) movably connected to the left side of the inner part of the shaft mounting block (2), a shaft connector (4) movably connected to the left side of the connecting kit (3), and a machine shaft (5) connected to the left side of the middle part of the shaft connector (4). characterized in that Also includes: A connecting mounting block (9) is fixedly installed inside the middle side of the rotating shaft mounting block (2), and a limit structure is movably connected to the outer side of the right end of the rotating shaft mounting block (2); The connecting kit (3) has an assembly structure that is movably connected to the middle side inside.
2. A lost motion safety transmission assembly according to claim 1, characterized in that: The assembly structure includes a limiting block (6) installed on the right side inside the connecting kit (3), and a movable plate (8) that serves as a limit is movably connected to the left side inside the connecting kit (3). The left side of the movable plate (8) is fixedly connected to the rotating shaft connector (4), and a connecting mounting rod (12) is movably connected to the outer side of the right end of the movable plate (8). A fixing rod (7) is movably connected to the outer side of the right end of the connecting kit (3).
3. A lost motion safety transmission assembly according to claim 2, wherein: The limiting block (6) and the connecting mounting block (9) are connected by a snap-fit method, and a protrusion structure is provided on the inner side of the right end of the limiting block (6).
4. A lost motion safety transmission assembly according to claim 2, wherein: The movable plate (8) is connected to the connecting kit (3) by sliding, and the vertical cross-section of the movable plate (8) is an "I" shaped structure, and the movable plate (8) is connected to the limiting block (6) by fitting.
5. A lost motion safety transmission assembly according to claim 1, characterized in that: The limiting structure includes a limiting plate (10) installed on the outer side of the right end of the rotating shaft mounting block (2), and a limiting rod (11) is movably connected to the outer side of the right end of the limiting plate (10).
6. A lost motion safety transmission assembly according to claim 5, wherein: The limiting plate (10) and the fixing rod (7) are connected in a close fit, and the vertical cross-section of the limiting plate (10) is an "L" shaped structure.
7. A lost motion safety transmission assembly according to claim 1, characterized in that: The inner left side of the rotating shaft connector (4) is also connected to a connecting spring (14), and the inner side of the connecting spring (14) is movably connected to a sealing plug (15) that serves as a limit, and the inner side of the sealing plug (15) is movably connected to a connecting mounting rod (13).
8. A lost motion safety transmission assembly according to claim 7, characterized in that: The connecting spring (14) and the sealing plug (15) are connected by sliding, and the connecting spring (14) is symmetrically distributed about the center line of the sealing plug (15).