Stud tightening head
By designing components such as sleeves and drive motors, the automatic tightening of double-ended bolts is achieved, solving the problems of inconvenience and instability in existing technologies, and improving tightening efficiency and stability.
Patent Information
- Application Number
- CN202422964422.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing double-ended bolt tightening heads are inconvenient and unstable to operate when the installation position is off, resulting in time-consuming and laborious tightening with unstable tightening.
The design incorporates components such as sleeves, drivers, drive motors, and bolt connecting sleeves. Automatic tightening is achieved through motor drive, and the height is adjusted by combining a servo motor and a slide structure to ensure synchronous tightening and stable positioning.
It achieves automated tightening process, reduces manual operation, improves tightening stability and efficiency, and avoids incomplete tightening caused by positional limitations.
Smart Images

Figure CN223629866U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tightening technical field, concretely relates to a double -end bolt tightening head. BACKGROUND
[0002] At present, the connection form of double -end bolt is widely used in the mechanical assembly of high -precision manufacturing industry and field, especially is applied to some workpiece connection occasions of the body material not allowing being tightened repeatedly. When using double -end bolt connection, the double -end bolt needs to be tightened on one side of the connected body first, and the tightening torque and the height of the bolt exposed on the workpiece surface need to be controlled.
[0003] The prior art has the following problems:
[0004] 1. The existing double -end bolt tightening head needs to be tightened by artificial during the process of connecting and fixing the double -end bolt and nut, but sometimes the installation position is relatively biased, the artificial tightening position is blocked, and the operation is inconvenient, so that the device is fixed more time -consuming and labor -intensive.
[0005] 2. The existing double -end bolt tightening head needs to be fixed on both sides, but usually one end is tightened first, and the two cannot be synchronized, so that the tightening is not stable enough, and the fixed position is not in place. INVENTION CONTENTS
[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:
[0007] A double -end bolt tightening head, including sleeve, the top of sleeve is inserted with driver, the bottom of driver is movably connected with drive motor, the outer wall of drive motor is sleeved with connecting mechanism, the bottom of drive motor is fixedly connected with bolt connecting cylinder, the outer wall of sleeve is fixedly connected with fixed plate, the bottom of fixed plate is fixedly connected with adjusting rod, the outer wall of adjusting rod is movably connected with connecting end, one end of connecting end is fixedly connected with bolt ring.
[0008] The further improvement of the utility model technical scheme is that the outer wall of driver is provided with sliding strip, the outer wall of sliding strip is movably connected with the top of sleeve, the top of drive motor is provided with connecting jack, the bottom of drive motor is provided with output end, the bottom of output end is connected with bolt connecting cylinder, the top of connecting jack is movably connected with the bottom of driver.
[0009] The further improvement of the utility model technical scheme is that the bolt connecting cylinder includes cylinder body, the top of cylinder body is fixedly connected with connecting top cover, the top of connecting top cover is fixedly connected with insertion cylinder.
[0010] The further improvement of the utility model technical scheme lies in that the top of the plug-in barrel is fixedly connected with the bottom of the output end.
[0011] The further improvement of the utility model technical scheme lies in that the inner wall of the sleeve is provided with a sliding groove, the connecting mechanism comprises a mounting ring, the outer wall of the mounting ring is fixedly connected with the outer wall of the driving motor, the outer wall of the mounting ring is fixedly connected with a connecting block, the top of the connecting block is connected with a threaded rod in a penetrating mode, the top of the threaded rod is fixedly connected with a servo motor, and the servo motor is fixedly installed on the top of the sliding groove.
[0012] The further improvement of the utility model technical scheme lies in that the adjusting rod comprises a telescopic rod, the bottom of the telescopic rod is fixedly connected with a connecting rod, the outer wall of the connecting rod is provided with a plug-in hole, the connecting end is composed of two groups of clamping plates, the front surface of the clamping plate is inserted with a first connecting nut in a penetrating mode, the outer wall of the bolt ring is fixedly connected with a fixed block, and the front surface of the fixed block is connected with a second connecting nut in a penetrating mode.
[0013] The further improvement of the utility model technical scheme lies in that the clamping plate is installed on the outer wall of the connecting rod through the first connecting nut, the first connecting nut penetrates the inside of the plug-in hole, one end of the clamping plate is fixedly connected with the outer wall of the bolt ring, and the fixed block is installed on one side of the bolt ring opening.
[0014] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:
[0015] 1、 the utility model provides a kind of stud tightening head, driver is slidably connected in the top of sleeve, it is moved along the trace direction of sliding strip, driver is pressed downward, the bottom of output mounting end is connected with the connecting hole of driver top, the driving motor is started by energization, so that the output end of the bottom of driving motor is connected with the plug-in barrel of the top of bolt connecting barrel, driving motor rotates the bottom bolt connecting barrel, to make the nut of bottom connection be able to rotate and tighten, without manual rotation, it is more convenient to use.
[0016] 2、 the utility model provides a kind of stud tightening head, the inner wall of sleeve is provided with sliding groove, servo motor and threaded rod are installed in the inside of sliding groove, threaded rod rotates so that the connecting block in its inside is adjusted in height, so that the driving motor connected with mounting ring can also adjust installation height, it is convenient to adjust when bottom rotates and rotates, can comply with the connection cover degree, will not cause top to be limited, the situation that tightening is not in place occurs, it is more convenient to use. DRAWINGS
[0017] Fig. 1 It is the structural schematic diagram of the utility model's stud tightening head;
[0018] Fig. 2 It is the structure schematic view of the sleeve inside the utility model;
[0019] Fig. 3 It is the structure schematic view of the connecting mechanism of the utility model;
[0020] Fig. 4 It is the structure schematic view of the adjusting rod of the utility model.
[0021] In the figure: 1, sleeve; 2, driver; 3, drive motor; 4, connecting mechanism; 5, bolt connection cylinder; 6, fixed plate; 7, adjusting rod; 8, connecting end; 9, bolt ring; 11, sliding groove; 21, sliding bar; 31, connecting jack; 32, output end; 41, mounting ring; 42, connecting block; 43, servo motor; 44, threaded rod; 51, cylinder body; 52, connecting top; 53, plug-in cylinder; 71, telescopic rod; 72, connecting rod; 73, plug-in hole; 81, clamping plate; 82, first connecting nut; 91, fixed block; 92, second connecting nut. DETAILED DESCRIPTION
[0022] The utility model will be further explained in detail in connection with examples:
[0023] Example 1
[0024] As Figs. 1-4 The utility model provides a double -end bolt tightening head, including sleeve 1, the top of sleeve 1 is inserted with driver 2, the bottom of driver 2 is movably connected with drive motor 3, the outer wall of drive motor 3 is sleeved with connecting mechanism 4, the bottom of drive motor 3 is fixedly connected with bolt connection cylinder 5, the outer wall of sleeve 1 is fixedly connected with fixed plate 6, the bottom of fixed plate 6 is fixedly connected with adjusting rod 7, the outer wall of adjusting rod 7 is movably connected with connecting end 8, one end of connecting end 8 is fixedly connected with bolt ring 9.
[0025] In the embodiment, the device is more convenient to use by the common action of sleeve 1, driver 2, bolt connection cylinder 5, adjusting rod 7 and bolt ring 9, the top of sleeve 1 is movably connected with driver 2, driver 2 is pressed down to make bolt connection cylinder 5 extend downward, which promotes the connection of bolt connection cylinder 5 with the bolt to be connected, the outer wall of sleeve 1 is provided with adjusting rod 7, the bottom of adjusting rod 7 is movably connected with bolt ring 9, the bottom bolt of double-end bolt is fixed by bolt ring 9, and the top can be tightened after the bottom is fixed, so that the device is more convenient to use.
[0026] Example 2
[0027] As Figs. 1-4As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, the outer wall of the driver 2 is provided with a sliding strip 21, the outer wall of the sliding strip 21 is movably connected to the top of the sleeve 1, the top of the drive motor 3 is provided with a connecting socket 31, the bottom of the drive motor 3 is provided with an output end 32, the bottom of the output end 32 is connected to the bolt connecting sleeve 5, and the top of the connecting socket 31 is movably connected to the bottom of the driver 2.
[0028] The bolt connection cylinder 5 includes a cylinder body 51, a connecting top cover 52 is fixedly connected to the top of the cylinder body 51, and a plug-in cylinder 53 is fixedly connected to the top of the connecting top cover 52. The top of the plug-in cylinder 53 is fixedly connected to the bottom of the output end 32.
[0029] In this embodiment, the device is made more convenient to use through the combined action of the driver 2, the drive motor 3, and the bolt connecting cylinder 5. The driver 2 is slidably engaged with the top of the sleeve 1 and moves along the texture of the sliding strip 21. When the driver 2 is pressed down, the bottom of the output mounting end is connected to the connecting socket 31 on the top of the driver 2. The drive motor 3 is powered on and started, so that the output end 32 at the bottom of the drive motor 3 is connected to the connecting cylinder 53 at the top of the bolt connecting cylinder 5. When the drive motor 3 rotates, it drives the bottom bolt connecting cylinder 5 to rotate, so that the nut connected at the bottom can be rotated and tightened without manual rotation, making it more convenient and labor-saving to use.
[0030] Example 3
[0031] like Figs. 1-4 As shown, based on Embodiment 1, this utility model provides a technical solution: preferably, the inner wall of the sleeve 1 is provided with a sliding groove 11, the connecting mechanism 4 includes a mounting ring 41, the outer wall of the mounting ring 41 is fixedly connected to the outer wall of the drive motor 3, a connecting block 42 is fixedly connected to the outer wall of the mounting ring 41, a threaded rod 44 is connected through the top of the connecting block 42, a servo motor 43 is fixedly connected to the top of the threaded rod 44, and the servo motor 43 is fixedly installed on the top of the sliding groove 11.
[0032] In this embodiment, the internal device connection is made more stable through the combined action of the sleeve 1 and the connecting mechanism 4. The inner wall of the sleeve 1 is provided with a sliding groove 11. The servo motor 43 and the threaded rod 44 are installed inside the sliding groove 11. When the threaded rod 44 rotates, the connecting block 42 can be adjusted up and down inside it, so that the drive motor 3 connected to the mounting ring 41 can also be adjusted to adjust the installation height. This makes it convenient for the bottom to rotate and adjust to the connecting cover, and will not cause the top to be restricted or not tightened properly, making it more convenient to use.
[0033] Example 4
[0034] like Figs. 1-4As shown, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, adjusting rod 7 includes telescopic rod 71, the bottom fixedly connected with connecting rod 72 of telescopic rod 71, the outer wall of connecting rod 72 is equipped with inserting hole 73, connecting end 8 is formed by two groups of clamping plates 81, the front surface of clamping plate 81 is inserted with first connecting nut 82 in the middle, the outer wall of bolt ring 9 is fixedly connected with fixed block 91, and the front surface of fixed block 91 is connected with second connecting nut 92.
[0035] Clamping plate 81 is installed on the outer wall of connecting rod 72 through first connecting nut 82, first connecting nut 82 is inserted into the inside of inserting hole 73, one end of clamping plate 81 is fixedly connected with the outer wall of bolt ring 9, and fixed block 91 is installed on one side of the opening of bolt ring 9.
[0036] In the embodiment, the device can be used more conveniently under the joint action of adjusting rod 7, connecting end 8 and bolt ring 9, the connecting length of connecting rod 72 can be adjusted by telescopic rod 71, the two ends of stud rod can be conveniently connected, second connecting nut 92 is penetrated in the inside of fixed block 91 to make the device connection compact, and the device can be used more conveniently according to the actual situation.
[0037] The working principle of the stud tightening head will be described below.
[0038] As Figs. 1-4When the double-end bolt is in use, the top of the sleeve 1 is movably connected with the driver 2, and the driver 2 is pressed downward to make the bolt connecting cylinder 5 extend downward, so as to connect the bolt connecting cylinder 5 with the bolt to be connected, and the outer wall of the sleeve 1 is provided with the adjusting rod 7, the bottom of the adjusting rod 7 is movably connected with the bolt ring 9, the bottom bolt of the double-end bolt can be fixed through the bolt ring 9, and the top can be tightened after the bottom is fixed, so that the device is more convenient to use, the driver 2 is slidably connected with the top of the sleeve 1 and moves along the direction of the sliding strip 21, the driver 2 is pressed downward, the bottom of the output mounting end is connected with the top connecting hole 31 of the driver 2, the driving motor 3 is started by being powered, the output end 32 at the bottom of the driving motor 3 is connected with the plug-in cylinder 53 at the top of the bolt connecting cylinder 5, the bottom bolt connecting cylinder 5 is rotated under the rotation of the driving motor 3, the nut connected at the bottom can be rotated and tightened, manual rotation is not needed, and the device is more convenient and labor-saving, the inner wall of the sleeve 1 is provided with the sliding groove 11, the servo motor 43 and the threaded rod 44 are mounted in the sliding groove 11, the connecting block 42 connected at the inside of the threaded rod 44 is adjusted in height upward and downward under the rotation of the threaded rod 44, the driving motor 3 connected with the mounting ring 41 can also be adjusted in height, the connecting cover can be adjusted according to the rotation of the bottom, the top is not limited, and the situation that the tightening is not in place does not occur, the device is more convenient to use, the adjusting rod 7 can adjust the connection length of the connecting rod 72 through the telescopic rod 71, the both ends of the double-end bolt rod can be connected, the second connecting nut 92 is penetrated through the inside of the fixed block 91, the device is connected tightly, the device is adjusted according to the actual situation, and the device is more convenient to use.
[0039] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.
Claims
1. A stud tensioning head comprising a sleeve (1), characterised in that: The top of the sleeve (1) is inserted with a driver (2), the bottom of the driver (2) is movably connected with a driving motor (3), the outer wall of the driving motor (3) is sleeved with a connecting mechanism (4), the bottom of the driving motor (3) is fixedly connected with a bolt connection cylinder (5), the outer wall of the sleeve (1) is fixedly connected with a fixed plate (6), the bottom of the fixed plate (6) is fixedly connected with an adjusting rod (7), the outer wall of the adjusting rod (7) is movably connected with a connecting end (8), one end of the connecting end (8) is fixedly connected with a bolt ring (9).
2. A stud tensioner as claimed in claim 1, wherein: The outer wall of the driver (2) is provided with a sliding bar (21), the outer wall of the sliding bar (21) is movably connected with the top of the sleeve (1), the top of the driving motor (3) is provided with a connecting jack (31), the bottom of the driving motor (3) is provided with an output end (32), the bottom of the output end (32) is connected with the bolt connection cylinder (5), the top of the connecting jack (31) is movably connected with the bottom of the driver (2).
3. A stud tensioner as defined in claim 1, wherein: The bolt connection cylinder (5) comprises a cylinder body (51), the top of the cylinder body (51) is fixedly connected with a connecting top cover (52), the top of the connecting top cover (52) is fixedly connected with an insertion cylinder (53).
4. A double-ended bolt tensioning head according to claim 3, wherein: The top of the insertion cylinder (53) is fixedly connected with the bottom of the output end (32).
5. A stud tensioner as defined in claim 1, wherein: The inner wall of the sleeve (1) is provided with a sliding groove (11), the connecting mechanism (4) comprises a mounting ring (41), the outer wall of the mounting ring (41) is fixedly connected with the outer wall of the driving motor (3), the outer wall of the mounting ring (41) is fixedly connected with a connecting block (42), the top of the connecting block (42) is penetratedly connected with a threaded rod (44), the top of the threaded rod (44) is fixedly connected with a servo motor (43), the servo motor (43) is fixedly installed on the top of the sliding groove (11).
6. A double-ended bolt tensioner head as defined in claim 1, wherein: The adjusting rod (7) comprises a telescopic rod (71), the bottom of the telescopic rod (71) is fixedly connected with a connecting rod (72), the outer wall of the connecting rod (72) is provided with an insertion hole (73), the connecting end (8) is composed of two groups of clamping plates (81), the front surface of the clamping plate (81) is inserted with a first connecting nut (82), the outer wall of the bolt ring (9) is fixedly connected with a fixed block (91), the front surface of the fixed block (91) is penetratedly connected with a second connecting nut (92).
7. A double-ended bolt tensioning head according to claim 6, wherein: The clamping plate (81) is installed on the outer wall of the connecting rod (72) through the first connecting nut (82), the first connecting nut (82) penetrates the inside of the insertion hole (73), one end of the clamping plate (81) is fixedly connected with the outer wall of the bolt ring (9), and the fixed block (91) is installed on one side of the opening of the bolt ring (9).