High-stability double-bolt-head hexagon bolt
By setting guide grooves and guide plates on the double bolt heads, and utilizing a combination of springs and sealing rings, the problem of hexagonal bolts loosening due to vibration is solved, thus improving stability and safety.
Patent Information
- Application Number
- CN202520626651.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-04
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-04
AI Technical Summary
The hexagonal bolts on the double bolt heads are easily loosened by vibration during the tightening process, leading to connection failure, safety hazards, and reduced performance.
A guide groove and guide plate are set on the double bolt head, and a guide post and a locking pin are installed. The combination structure of spring and sealing ring is used to restrict the loosening of the hexagonal bolt through the cooperation of the locking pin and the locking groove, thereby enhancing the fastening effect.
It effectively prevents hex bolts from loosening due to vibration, prevents machine or structural connection failure, reduces safety hazards, and improves stability and safety in use.
Smart Images

Figure CN223854640U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bolt technical field, concretely is a kind of strong stability double bolt head hexagonal bolt. BACKGROUND
[0002] One specific type of double bolt head hexagonal bolt is a double-headed bolt (also known as a double bolt or double-headed screw), which is typically available in a variety of sizes and pitches to meet the needs of different applications. Common materials include stainless steel, alloy steel, etc. Currently, the double bolt head hexagonal bolt is prone to vibration during the tightening process after installation. When the double bolt head hexagonal bolt loosens due to vibration, it may cause connection failure, leading to component separation and potentially triggering machine or structure failure or collapse. This situation poses a safety hazard, as flying or falling components may cause injury to personnel, affecting the stability of the hexagonal bolt tightening and reducing the effectiveness of the double bolt head hexagonal bolt.
[0003] Therefore, it is necessary to develop a double bolt head hexagonal bolt with strong stability. SUMMARY
[0004] The utility model aims at providing a double bolt head hexagonal bolt with strong stability to solve the problem of loosening caused by vibration after tightening in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double bolt head hexagonal bolt with strong stability, comprising a double bolt head, a guide groove is formed on the outer wall surface of the double bolt head, a hexagonal bolt is installed on the upper and lower parts of the outer wall of the double bolt head, and a guide plate is installed on one side of the inside of the guide groove.
[0006] A stable auxiliary assembly is installed on the upper and lower parts of the inside of the double bolt head, which comprises a sealing ring, and a stable screw is installed in the inside of the sealing ring.
[0007] Preferably, the inside of the hexagonal bolt is threadedly connected with the outer wall of the double bolt head, and a spring A is installed on the upper and lower parts of the opposite sides of the two groups of hexagonal bolts.
[0008] Preferably, the inside of the spring A is slidingly connected with the outer wall of the double bolt head, and a clamping groove is formed on the inner wall of the hexagonal bolt.
[0009] Preferably, a guide column is installed in the inside of the guide plate, and the outer wall of the guide column is slidingly connected with the inner wall of the guide plate.
[0010] Preferably, one end of the guide column is provided with a pin, and the pin is located outside the guide plate.
[0011] Preferably, the other end of the guide column is provided with a trapezoidal seat, and the trapezoidal seat is located inside the guide plate, and a spring B is arranged on the outer wall of the guide column.
[0012] Preferably, the outer wall of the sealing ring is fixedly connected with the inner part of the double bolt head, and the outer wall of the screw is threadedly connected with the inner center position of the sealing ring.
[0013] Preferably, the bottom end of the screw is provided with a guide ring seat, the inner part of the guide ring seat is rotatably connected with the bottom end of the screw, and the outer wall of the guide ring seat is slidably connected with the inner part of the double bolt head.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] By fixing the two groups of sealing rings above and below the inner part of the double bolt head and connecting the guide ring seat with the bottom end of the screw on the sealing ring in a rotating mode, when the two groups of hexagonal bolts are installed on the double bolt head and the double bolt head is installed at the required position of the equipment, the hexagonal bolts are matched with the spring A, the required position of the equipment is fastened, the screw is rotated, the guide ring seat moves inward, the trapezoidal seat is extruded, and the pin on the other end is pushed, on one hand, the pushed-out pin moves out of the outer part of the double bolt head, thereby limiting the hexagonal bolts and avoiding the situation that the hexagonal bolts are shaken and separated, on the other hand, the pushed-out pin is clamped into the clamping groove on the inner wall of the hexagonal bolt, thereby limiting the situation that the hexagonal bolts are loosened, the situation that the hexagonal bolts are shaken and loosened is avoided, the machine or the structure is not affected, the situation that the machine or the structure is connected and collapses is avoided, the situation that the falling components injure people is avoided, the safety is effectively ensured, and the use effect of the hexagonal bolts of the double bolt head is effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model provides an overall structure schematic diagram;
[0017] Figure 2 The utility model provides an overall structure schematic diagram;
[0018] Figure 3 The utility model provides a part structure intercepts partial display drawing;
[0019] Figure 4 The utility model provides a part structure internal schematic diagram.
[0020] In the figure: 1, double bolt head; 101, guide groove; 2, hexagonal bolt; 201, spring A; 202, clamping groove; 3, guide plate; 301, guide column; 302, clamping pin; 303, trapezoidal seat; 304, spring B; 4, sealing ring; 401, screw; 402, guide ring seat. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] The utility model provides the following technical scheme: a strong stability double bolt head hexagonal bolt, please see Figures 1-4 , including double bolt head 1, the outer wall surface of double bolt head 1 is all set with guide groove 101, the upper and lower of the outer wall of double bolt head 1 are all installed with hexagonal bolt 2, the inside of hexagonal bolt 2 is connected in screw thread with the outer wall of double bolt head 1, the upper and lower of the opposite side between two groups of hexagonal bolt 2 are all installed with spring A 201, the inside of spring A 201 is connected in sliding with the outer wall of double bolt head 1, the inner wall of hexagonal bolt 2 is all set with clamping groove 202, double bolt head 1 is installed in equipment or connecting area, and two groups of spring A 201 are correspondingly sleeved at both ends of double bolt head 1, then two groups of hexagonal bolt 2 are installed in the way of screw connection, and are handled to be tightened, according to the effect of spring A 201 with elastic reaction force, hexagonal bolt 2 after being tightened, to spring A 201 compression to the extreme, hexagonal bolt 2 is pushed back, and it is tried to avoid the situation that hexagonal bolt 2 is reversed and loosened due to vibration, the inside of guide groove 101 is installed with guide plate 3, the inside of guide plate 3 is installed with guide column 301, the outer wall of guide column 301 is connected in sliding with the inner wall of guide plate 3, one end of guide column 301 is installed with clamping pin 302, clamping pin 302 is located at the outside of guide plate 3, the other end of guide column 301 is installed with trapezoidal seat 303, trapezoidal seat 303 is located at the inside of guide plate 3, the outer wall of guide column 301 is installed with spring B 304, guide column 301 on trapezoidal seat 303 is connected in sliding in guide plate 3, and spring B 304 is sleeved on the outer wall of guide column 301, according to the effect of spring B 304, like spring A 201, make its trapezoidal seat 303 under pressure, move inwards, can push clamping pin 302 on the other end of guide column 301 to move, and under the condition of no pressure, spring B 304 is reset from trapezoidal seat 303;
[0023] The upper and lower inside of the double bolt head 1 are provided with a stabilizing auxiliary assembly, which comprises a sealing ring 4, the inside of the sealing ring 4 is provided with a stabilizing screw 401, the outer wall of the sealing ring 4 is fixedly connected with the inside of the double bolt head 1, the outer wall of the screw 401 is threadedly connected with the inside center position of the sealing ring 4, the bottom end of the screw 401 is provided with a guide ring seat 402, the inside of the guide ring seat 402 is rotationally connected with the bottom end of the screw 401, the outer wall of the guide ring seat 402 is slidingly connected with the inside of the double bolt head 1, two groups of sealing rings 4 are fixed on the upper and lower inside of the double bolt head 1, and the guide ring seat 402 is rotationally connected with the bottom end of the screw 401 on the sealing ring 4, when two groups of hexagonal bolts 2 are installed on the double bolt head 1, and the double bolt head 1 is installed at the required position of the equipment, the hexagonal bolts 2 are matched with the spring A201, the required position of the equipment is fastened, the screw 401 is rotated, the guide ring seat 402 moves inward, and the trapezoidal seat 303 is extruded, the retaining pin 302 on the other end is pushed, on one hand, the pushed retaining pin 302 moves out to the outside of the double bolt head 1, so as to limit the hexagonal bolt 2, and avoid the hexagonal bolt 2 from being shaken and separated as much as possible, on the other hand, the pushed retaining pin 302 is clamped into the clamping groove 202 on the inner wall of the hexagonal bolt 2, so as to limit the loosening of the hexagonal bolt 2, the hexagonal bolt 2 on the double bolt head 1 is fastened and stabilized, the hexagonal bolt 2 is shaken and loosened as much as possible, the machine or the whole structure connection failure caused by the collapse is avoided, the falling parts are avoided to cause the injury of the personnel, and the safety is effectively ensured.
[0024] Working principle: when using the utility model, install the double bolt head 1 in the equipment or connecting area, and the two groups of spring A201 are correspondingly sleeved on both ends of the double bolt head 1, then install the two groups of hexagonal bolts 2 in a threaded connection mode, and carry out tightening treatment, according to the elastic reaction force effect of the spring A201, the hexagonal bolt 2 after tightening, to the extreme compression of the spring A201, the hexagonal bolt 2 is pushed back, and the reverse loosening condition caused by the vibration influence of the hexagonal bolt 2 is avoided as far as possible, the guide column 301 on the trapezoidal seat 303 is butted in the guide plate 3 in a sliding mode, and the spring B304 is sleeved on the outer wall of the guide column 301, according to the effect of the spring B304, like the spring A201, the trapezoidal seat 303 is moved inwards under pressure, and the catch pin 302 on the other end of the guide column 301 is moved, and under the pressure-free state, the spring B304 is reset from the trapezoidal seat 303, the two groups of sealing rings 4 are fixed on the inner top and bottom of the double bolt head 1, and the guide ring seat 402 is butted on the bottom end of the screw 401 on the sealing ring 4 in a rotary connection mode, according to the two groups of hexagonal bolts 2 installed on the double bolt head 1, and the double bolt head 1 is installed at the required position of the equipment, so that the hexagonal bolt 2 is matched with the spring A201, and the required position of the equipment is tightened, then the screw 401 is rotated, the guide ring seat 402 moves inwards, and the trapezoidal seat 303 is extruded, and the catch pin 302 on the other end is pushed back, on the one hand, the moved catch pin 302 moves out to the outside of the double bolt head 1, thereby limiting the hexagonal bolt 2, and avoiding the disengagement condition caused by the vibration of the hexagonal bolt 2 as far as possible, on the other hand, the moved catch pin 302 is clamped into the clamping groove 202 on the inner wall of the hexagonal bolt 2, thereby limiting the loosening condition of the hexagonal bolt 2, realizing the stable treatment after the hexagonal bolt 2 on the double bolt head 1 is tightened, avoiding the loosening caused by the vibration of the hexagonal bolt 2 as far as possible, and avoiding the collapse caused by the connection failure of the machine or structure as a whole, also avoiding the damage of the falling parts to the personnel, effectively ensuring the safety, and effectively improving the use effect of the double bolt head hexagonal bolt.
[0025] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described in this specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A stable double-bolt-head hexagonal bolt comprising a double-bolt head (1), the outer wall surface of the double-bolt head (1) is provided with a guide groove (101), characterized in that: The outer wall of the double bolt head (1) is provided with hexagonal bolts (2) above and below, and the inner side of the guide groove (101) is provided with a guide plate (3); The inner upper and lower sides of the double bolt head (1) are provided with a stable auxiliary assembly, which comprises a sealing ring (4), and the inner side of the sealing ring (4) is provided with a stabilizing screw (401).
2. The stable double bolt head hexagonal bolt according to claim 1, characterized in that: The inner side of the hexagonal bolt (2) is threadedly connected with the outer wall of the double bolt head (1), and the opposite sides of the two groups of hexagonal bolts (2) are provided with spring A (201) above and below.
3. The stable strong double bolt head hexagonal bolt according to claim 2, characterized in that: The inner side of the spring A (201) is slidably connected with the outer wall of the double bolt head (1), and the inner wall of the hexagonal bolt (2) is provided with a clamping groove (202).
4. The stable strong double bolt head hexagonal bolt of claim 1, wherein: The inner side of the guide plate (3) is provided with a guide column (301), and the outer wall of the guide column (301) is slidably connected with the inner wall of the guide plate (3).
5. The stable strong double bolt head hexagonal bolt according to claim 4, characterized in that: One end of the guide column (301) is provided with a clamping pin (302), and the clamping pin (302) is located on the outer side of the guide plate (3).
6. The stable strong double bolt head hexagonal bolt according to claim 5, characterized in that: The other end of the guide column (301) is provided with a trapezoidal seat (303), and the trapezoidal seat (303) is located on the inner side of the guide plate (3), and the outer wall of the guide column (301) is provided with spring B (304).
7. The stable strong double bolt head hexagonal bolt of claim 1, wherein: The outer wall of the sealing ring (4) is fixedly connected with the inner side of the double bolt head (1), and the outer wall of the screw (401) is threadedly connected with the inner center position of the sealing ring (4).
8. The stable strong double bolt head hexagonal bolt according to claim 7, characterized in that: The bottom end of the screw (401) is provided with a guide ring seat (402), the inner side of the guide ring seat (402) is rotatably connected with the bottom end of the screw (401), and the outer wall of the guide ring seat (402) is slidably connected with the inner side of the double bolt head (1).