Adjustable automobile tensioner
By adopting a combination of a bidirectional screw and a moving block in the automotive tensioner, flexible adjustment of the hook size is achieved, solving the problem that the hook size cannot be adjusted in the prior art, and improving the versatility and fixing effect of the tensioner.
Patent Information
- Application Number
- CN202421730348.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-22
AI Technical Summary
The hook size of the existing car tensioner cannot be adjusted, which may cause problems such as the hook size being too large and unable to connect during use, or the hook size being too small, resulting in poor fixing effect.
An adjustable car tightener is designed, using a combination of a bidirectional screw and a moving block. The rotation of the bidirectional screw is adjusted by shaking the handle, driving the moving block to move on the fixed rod, and adjust the distance between the hooks to adapt to the connection positions of different sizes.
It realizes flexible adjustment of hook size, improves the versatility and practicality of the tensioner, ensures stable and fixed hooks, and improves the stability and safety of use.
Smart Images

Figure CN222793366U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile tensioners, in particular to an adjustable automobile tensioner. Background Art
[0002] The car tensioner is also called bolt tensioner, tensioner, tie-down, fastener, fastening belt; the tensioner is similar to a buckle lock, and its function is to tighten two pieces of restraint belts; it is a fixing function during cargo transportation, movement, shipment or storage; the car tensioner can automatically compensate for the elongation of the tape, making it easy to carry. The car tensioner is widely used in logistics, truck transportation bundling, cargo fixing and other fields.
[0003] After searching, the Chinese patent number CN220639668U discloses an adjustable automobile tensioner, which relates to the technical field of automobile tensioners, including a long support frame, a short support frame, a positioning seat, a positioning wheel and an adjustment component, wherein the end of the long support frame and the short support frame close to each other is symmetrically connected to the positioning wheel, and the end of the long support frame and the short support frame close to each other and located inside the two positioning wheels is symmetrically fixed with a positioning seat. The adjustable automobile tensioner, by passing one end of the long tie belt through the middle of the two positioning plates, is convenient for using tie belts of different thicknesses through the provided installation slots, springs, limit blocks, slide bars and positioning plates, and does not need to be replaced according to the thickness of the tie belt during use, and has a wider range of applications.
[0004] However, the existing automobile tensioner generally has a hook at the end to facilitate the tightening operation. However, in actual use, the position and size of the connection for hooking are not fixed, while the size of the hook is generally fixed. This will result in the mismatch between the size of the hook and the connection during use. The hook may be too large to be connected, or the hook may be too small, causing the hook to move easily and thus resulting in a poor fixing effect. Based on this, the utility model designs an adjustable automobile tensioner to solve the above problems. Utility Model Content
[0005] The utility model aims to provide an adjustable automobile tensioner, which solves the problem that the size of the hook cannot be adjusted in the background technology.
[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0007] An adjustable automobile tensioner, comprising:
[0008] A first connecting belt, a second connecting belt is installed on one side of the first connecting belt, and the first connecting belt and the second connecting belt are both used for tightening and fixing operations;
[0009] A connecting mechanism, which is installed between the first connecting belt and the second connecting belt and is used for connecting and fixing the first connecting belt and the second connecting belt;
[0010] A fixing mechanism, wherein the fixing mechanism is installed on a side of the first connecting belt and the second connecting belt away from the connecting mechanism, the fixing mechanism comprises a fixing frame, a driving component, a working component and a limiting component, the driving component is installed in the inner cavity of the fixing frame and is used for position adjustment of the working component, the working component is installed on one side of the driving component and is used for hooking and fixing, and the limiting component is installed in the inner cavity of the fixing frame and is used for limiting the working component during movement.
[0011] Preferably, the drive assembly includes a bidirectional screw rod installed in the inner cavity of the fixed frame, the bidirectional screw rod is rotatably connected in the inner cavity of the fixed frame and the front side of the bidirectional screw rod passes through the fixed frame and extends to the front side of the fixed frame, and a crank is installed on the front side of the bidirectional screw rod.
[0012] Preferably, the working assembly includes moving blocks threadedly connected to the outer ring of the bidirectional screw, there are two groups of moving blocks and hooks are installed on the tops of the moving blocks, and the inner cavity of the hook is provided with a hook groove.
[0013] Preferably, the limiting assembly includes a fixing rod installed in the inner cavity of the fixing frame and a limiting rod installed between the hooks, the moving block is slidably sleeved on the outer ring of the fixing rod and can move on the outer ring of the fixing rod, and the limiting rod is provided in multiple groups and has a telescopic function.
[0014] Preferably, the connecting mechanism includes a base installed on one side of the first connecting belt, a pin shaft is rotatably connected in the inner cavity of the base, the first connecting belt is sleeved on the outer ring of the pin shaft, the outer ring of the pin shaft is sleeved on a rotating seat, a connecting roller is installed on one side of the rotating seat, the second connecting belt is sleeved on the outer ring of the connecting roller, and a ratchet pawl assembly is also installed in the inner cavity of the connecting mechanism.
[0015] Preferably, the ratchet pawl assembly comprises a ratchet mounted on the outer ring of the pin shaft, a connecting rod is mounted on the inner wall of the rotating seat, a pawl is mounted on the outer ring of the connecting rod, and the pawl is meshed with the ratchet.
[0016] Compared with the prior art, the beneficial effects achieved by the utility model are:
[0017] 1. In the utility model, through the cooperation of the bidirectional screw rod and the moving block, the user can adjust the size of the hook to adapt to the connection positions of different sizes, thereby improving the versatility and practicality of the tensioner, and at the same time improving the fixed connection effect of the hook and the use stability of the tensioner.
[0018] 2. In the utility model, the setting of the limit rod prevents the hook from being damaged due to excessive movement, and the fixed rod provides a stable sliding track for the moving block, thereby ensuring the safety and reliability of the tensioner during use; the user only needs to shake the handle to adjust the size of the hook, which is simple and quick to operate and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 For this utility model Figure 1 A magnified image of point A;
[0021] Figure 3 For this utility model Figure 1 A magnified view of point B;
[0022] Figure 4 It is an internal side view of the utility model.
[0023] Among them: 1. first connecting belt; 2. second connecting belt; 3. fixed frame; 4. bidirectional screw rod; 5. crank; 6. moving block; 7. hook; 8. hook slot; 9. fixed rod; 10. limit rod; 11. base; 12. pin shaft; 13. rotating seat; 14. connecting roller; 15. ratchet; 16. connecting rod; 17. pawl. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] Please refer to Figure 1-Figure 3 , an adjustable automobile tensioner, comprising:
[0026] A first connecting belt 1, a second connecting belt 2 is installed on one side of the first connecting belt 1, and the first connecting belt 1 and the second connecting belt 2 are both used for tightening and fixing operations;
[0027] A connecting mechanism, which is installed between the first connecting belt 1 and the second connecting belt 2 and is used for connecting and fixing the first connecting belt 1 and the second connecting belt 2;
[0028] The fixing mechanism is installed on the side of the first connecting belt 1 and the second connecting belt 2 away from the connecting mechanism. The fixing mechanism includes a fixing frame 3, a driving component, a working component and a limiting component. The driving component is installed in the inner cavity of the fixing frame 3 and is used for position adjustment of the working component. The working component is installed on one side of the driving component and is used for hooking and fixing. The limiting component is installed in the inner cavity of the fixing frame 3 and is used for limiting the working component during movement.
[0029] The driving assembly includes a bidirectional screw rod 4 installed in the inner cavity of the fixed frame 3. The bidirectional screw rod 4 is rotatably connected in the inner cavity of the fixed frame 3 and the front side of the bidirectional screw rod 4 passes through the fixed frame 3 and extends to the front side of the fixed frame 3. A crank 5 is installed on the front side of the bidirectional screw rod 4.
[0030] The working assembly includes a moving block 6 threadedly connected to the outer ring of the bidirectional screw rod 4. There are two groups of moving blocks 6 and hooks 7 are installed on the top of each moving block 6. The inner cavity of the hook 7 is provided with a hook groove 8.
[0031] The limiting assembly includes a fixing rod 9 installed in the inner cavity of the fixing frame 3 and a limiting rod 10 installed between the hooks 7. The moving block 6 is slidably sleeved on the outer ring of the fixing rod 9 and can move on the outer ring of the fixing rod 9. The limiting rod 10 is provided with multiple groups and has a telescopic function.
[0032] In the embodiment of the utility model, the user rotates the bidirectional screw rod 4 in the fixed frame 3 by shaking the crank 5. The rotation of the bidirectional screw rod 4 drives the two groups of moving blocks 6 to move in opposite directions on the fixed rod 9, thereby adjusting the distance between the two groups of hooks 7. The hooks 7 are used to hook and fix the objects at the other end. By adjusting the distance between the hooks 7, the hook positions of different sizes can be adapted for fixing.
[0033] Please refer to Figure 1-Figure 4 The connection mechanism includes a base 11 installed on one side of the first connection belt, a pin shaft 12 is rotatably connected in the inner cavity of the base 11, the first connection belt 1 is sleeved on the outer ring of the pin shaft 12, the outer ring of the pin shaft 12 is sleeved on a rotating seat 13, a connecting roller 14 is installed on one side of the rotating seat 13, the second connection belt 2 is sleeved on the outer ring of the connecting roller 14, and a ratchet pawl assembly is also installed in the inner cavity of the connection mechanism. The ratchet pawl assembly includes a ratchet 15 installed on the outer ring of the pin shaft 12, a connecting rod 16 is installed on the inner wall of the rotating seat 13, a pawl 17 is installed on the outer ring of the connecting rod 16, and the pawl 17 and the ratchet 15 are meshed with each other.
[0034] In the embodiment of the utility model, the user first installs the first connecting belt 1 and the second connecting belt 2 on both sides of the object to be tightened, and uses the hook 7 to fix them in the designated position for work. The connecting mechanism allows the first connecting belt 1 and the second connecting belt 2 to rotate relative to each other within the adjustment range through the pin 12 on the base 11. At the same time, the connecting roller 14 and the rotating seat 13 ensure that the second connecting belt 2 can be smoothly wound around the connecting roller 14. The ratchet 15 and the pawl 17 in the ratchet pawl assembly ensure that the pin 12 has a self-locking function within a certain rotation angle, thereby preventing the tensioner from being accidentally loosened.
[0035] When in use, the user first installs the first connecting belt 1 and the second connecting belt 2 on both sides of the object to be tightened, and uses the hook 7 to fix them in the designated position for work. The connecting mechanism allows the first connecting belt 1 and the second connecting belt 2 to rotate relative to each other within the adjustment range through the pin shaft 12 on the base 11. At the same time, the connecting roller 14 and the rotating seat 13 ensure that the second connecting belt 2 can be smoothly wound around the connecting roller 14. The ratchet 15 and the pawl 17 in the ratchet pawl assembly ensure that the pin shaft 12 has a self-locking function within a certain rotation angle, thereby preventing the tensioner from being accidentally loosened.
[0036] The user rotates the bidirectional screw rod 4 in the fixed frame 3 by shaking the crank 5. The rotation of the bidirectional screw rod 4 drives the two groups of moving blocks 6 to move in opposite directions on the fixed rod 9, thereby adjusting the distance between the two groups of hooks 7. The hooks 7 are used to hook and fix the objects at the other end. By adjusting the distance between the hooks 7, the positions of hooks of different sizes can be adapted for fixing. The limit rod 10 is set between the two groups of hooks 7 and has a certain telescopic function. It can play a limiting role in the process of moving the hooks 7 to prevent the hooks 7 from being damaged due to excessive movement. At the same time, the fixed rod 9 provides a stable sliding track for the moving block 6 to ensure the stability of the moving block 6 during the movement.
[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An adjustable automobile tensioner, characterized in that: include: A first connecting belt (1), a second connecting belt (2) being installed on one side of the first connecting belt (1), and the first connecting belt (1) and the second connecting belt (2) are both used for tightening and fixing operations; A connecting mechanism, the connecting mechanism being installed between the first connecting belt (1) and the second connecting belt (2) and used for connecting and fixing the first connecting belt (1) and the second connecting belt (2); A fixing mechanism, wherein the fixing mechanism is installed on a side of the first connecting belt (1) and the second connecting belt (2) away from the connecting mechanism, and the fixing mechanism comprises a fixing frame (3), a driving component, a working component and a limiting component, wherein the driving component is installed in the inner cavity of the fixing frame (3) and is used for adjusting the position of the working component, the working component is installed on one side of the driving component and is used for hooking and fixing, and the limiting component is installed in the inner cavity of the fixing frame (3) and is used for limiting the position of the working component during movement.
2. The adjustable automobile tensioner according to claim 1, characterized in that: The driving assembly comprises a bidirectional screw rod (4) installed in the inner cavity of the fixed frame (3); the bidirectional screw rod (4) is rotatably connected in the inner cavity of the fixed frame (3); the front side of the bidirectional screw rod (4) passes through the fixed frame (3) and extends to the front side of the fixed frame (3); and a crank (5) is installed on the front side of the bidirectional screw rod (4).
3. The adjustable automobile tensioner according to claim 1, characterized in that: The working assembly comprises a moving block (6) threadedly connected to the outer ring of a bidirectional screw rod (4), wherein there are two groups of the moving blocks (6) and a hook (7) is installed on the top of each moving block (6), and a hook groove (8) is provided in the inner cavity of the hook (7).
4. The adjustable automobile tensioner according to claim 3, characterized in that: The limiting assembly comprises a fixing rod (9) installed in the inner cavity of the fixing frame (3) and a limiting rod (10) installed between the hooks (7); the moving block (6) is slidably sleeved on the outer ring of the fixing rod (9) and can move on the outer ring of the fixing rod (9); and the limiting rod (10) is provided in multiple groups and has a telescopic function.
5. The adjustable automobile tensioner according to claim 1, characterized in that: The connecting mechanism comprises a base (11) installed on one side of a first connecting belt (1), a pin shaft (12) is rotatably connected in the inner cavity of the base (11), the first connecting belt (1) is sleeved on the outer ring of the pin shaft (12), the outer ring of the pin shaft (12) is sleeved on a rotating seat (13), a connecting roller (14) is installed on one side of the rotating seat (13), the second connecting belt (2) is sleeved on the outer ring of the connecting roller (14), and a ratchet pawl assembly is also installed in the inner cavity of the connecting mechanism.
6. The adjustable automobile tensioner according to claim 5, characterized in that: The ratchet and pawl assembly comprises a ratchet (15) mounted on the outer ring of a pin shaft (12); a connecting rod (16) is mounted on the inner wall of the rotating seat (13); a pawl (17) is mounted on the outer ring of the connecting rod (16); and the pawl (17) and the ratchet (15) are meshed with each other.
Citation Information
Patent Citations
Adjustable automobile tensioner
CN220639668U