Special-shaped bolt mounting and connecting device
By designing a special-shaped bolt installation connection device, including a screw lower support assembly and a nut twisting mechanism, the problem of unstable installation of screws and nuts in space-confined areas is solved, achieving higher installation reliability and operational convenience.
Patent Information
- Application Number
- CN202421988774.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-16
AI Technical Summary
In some space-limited areas, the screw and nut are not installed reliably, and the screw rotates with the nut tightening, resulting in unstable installation.
A special-shaped bolt mounting connection device is designed, including a screw lower support assembly and a nut twisting mechanism. The screw lower support assembly supports the screw and screw head through a hook bracket and screw head support seat. The nut twisting mechanism improves the tightening reliability of the nut through the hand grip and the after-bar penetration hole.
It realizes effective support for the screw and flexible operation of the nut, improving the installation reliability and operation convenience of the screw and nut.
Smart Images

Figure CN222945461U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bolt installation, and in particular relates to a special-shaped bolt installation connection device. Background Art
[0002] Special-shaped bolt installation and connection devices are used for installing nuts and screws in areas with limited space. For example, in some areas, it is impossible to insert the screw from bottom to top into the screw hole to be installed by hand and connect the nut. During the tightening process of the nut, the screw (screw head) cannot be fixed and supported, and the screw rotates as the nut is tightened, resulting in unreliable installation of the screw and nut.
[0003] Therefore, it is urgent to propose a special-shaped bolt installation and connection device with simple structure, convenient installation and reliability. Utility Model Content
[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a special-shaped bolt installation connection device for supporting the screw rod and installing the nut on the screw rod. It has the advantages of simple structure, convenient and reliable installation, etc., and has high practical value and promotion value in the field of bolt installation technology.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A special-shaped bolt installation and connection device is used to support a screw rod and install a nut on the screw rod. A screw rod head is arranged at the bottom of the screw rod. The special-shaped bolt installation and connection device includes a screw rod lower support assembly sleeved on the screw rod head and supporting the screw rod and the screw rod head, and a nut twisting mechanism sleeved on the nut.
[0007] The screw lower support assembly includes a hook-shaped bracket, a hand grip disposed at one end of the hook-shaped bracket, a screw head support seat disposed at the other end of the hook-shaped bracket and facing the screw, and a screw head mounting groove provided in the screw head support seat and matching the screw head;
[0008] The nut twisting mechanism includes a handle, a nut twisting seat arranged on the top of the handle, a transverse through hole opened on the nut twisting seat along the transverse direction, a first nut notch arranged on the nut twisting seat and respectively placed on both sides of the transverse through hole, and a second nut notch and a longitudinal hole opened in sequence on the nut twisting seat along the longitudinal direction; the first nut notch and the second nut notch match the nut, and the transverse through hole and the longitudinal hole match the diameter of the screw.
[0009] Furthermore, the screw head and the screw head mounting groove are in the shape of a polygonal column or an ellipsoidal column.
[0010] Furthermore, the hand grip is in the shape of a crossbar, a ball or a knob.
[0011] Furthermore, a force rod through hole is provided on the handle along the transverse direction.
[0012] Furthermore, at least one gasket is sleeved on the screw rod; the special-shaped bolt installation and connection device also includes: a gasket loading plate for clamping the gasket; a gasket slot is provided at the front end of the gasket loading plate; and the gasket is clamped in the gasket slot.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] (1) The utility model provides a hook-shaped bracket, a screw head support seat and a screw head installation groove, and places the screw and the screw head in the screw head installation groove to ensure the support and loading of the screw and the screw head, and has a large operating space.
[0015] (2) The utility model provides a nut twisting mechanism, which provides a transverse through hole, a first nut notch, a second nut notch and a longitudinal hole on the nut twisting seat, so that the nut twisting mechanism can twist the nut in the horizontal direction and rotate it in the longitudinal direction, and the operation flexibility is strong.
[0016] (3) The utility model provides a force rod through hole on the hand grip to facilitate force twisting of the rotating nut twisting mechanism, further ensuring the reliability of nut installation.
[0017] (4) The utility model provides a gasket feeding plate to facilitate installation of the gasket, and the gasket is reliably clamped. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the assembly state of the utility model;
[0019] Figure 2 This is a first angle schematic diagram of the nut twisting mechanism in the utility model;
[0020] Figure 3 It is a second angle schematic diagram of the nut twisting mechanism in the utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the lower support assembly of the screw in the utility model;
[0022] Figure 5 This is a schematic diagram of the structure of the gasket feeding plate in the utility model;
[0023] In the figure: 1. screw; 2. screw head; 3. gasket; 4. nut; 6. screw lower support assembly; 7. gasket loading plate; 8. nut twisting mechanism; 61. hook-type bracket; 62. hand grip; 63. screw head support seat; 64. screw head mounting groove; 71. gasket slot; 81. hand grip; 82. force rod through hole; 83. nut twisting seat; 84. transverse through hole; 85. first nut notch; 86. second nut notch; 87. longitudinal hole. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0025] Example:
[0026] like Figures 1 to 5 As shown, this embodiment provides a special-shaped bolt installation and connection device, which is used to support the screw rod 1 and install the gasket 3 and the nut 4 on the screw rod 1. Among them, a screw head 2 is provided at the bottom of the screw rod 1. In this embodiment, the special-shaped bolt installation and connection device includes a screw lower support component 6 which is sleeved on the screw head 2 and supports the screw rod 1 and the screw head 2, a gasket feeding plate 7 which clamps the gasket 3, and a nut twisting mechanism 8 which is sleeved on the nut 4. Among them, a gasket clamping groove 71 is provided at the front end of the gasket feeding plate 7, and the gasket 3 to be installed is clamped in the gasket clamping groove 71.
[0027] In this embodiment, the screw rod lower support assembly 6 is used to support the screw rod 1 and the screw rod head 2 to be installed, and is placed in the installed bolt hole, and then the gasket 3 and the nut are loaded. Among them, the screw rod lower support assembly 6 includes a hook-shaped bracket 61, a hand grip 62 arranged at one end of the hook-shaped bracket 61, a screw rod head support seat 63 arranged at the other end of the hook-shaped bracket 61 and facing the screw rod 1, and a screw head installation groove 64 provided in the screw head support seat 63 and matching the screw head 2. In this embodiment, the screw head 2 is inserted into the screw head installation groove 64, the hand grip 62 is lifted and moved to the installed bolt hole, and the screw rod 1 is inserted from bottom to top. Among them, the screw head installation groove 64 also serves as a lower support component during the tightening process of the nut 4.
[0028] In this embodiment, the nut is sleeved on the screw rod 1 and placed on the upper part of the gasket 3, and then tightened or disassembled by the nut twisting mechanism 8. The nut twisting mechanism 8 includes a hand grip 81, a nut twisting seat 83 arranged on the top of the hand grip 81, a transverse through hole 84 opened on the nut twisting seat 83 in the transverse direction, a first nut notch 85 arranged on the nut twisting seat 83 and respectively placed on both sides of the transverse through hole 84, and a second nut notch 86 and a longitudinal hole 87 opened on the nut twisting seat 83 in the longitudinal direction. Among them, the first nut notch 85 and the second nut notch 86 match the nut 4, and the transverse through hole 84 and the longitudinal hole 87 match the diameter of the screw rod 1. In this embodiment, in order to increase the force of the hand grip 81 in the later stage, a force rod through hole 82 is opened on the hand grip 81 and in the transverse direction. Among them, a force rod device such as a hexagonal locking rod can be inserted into the force rod through hole 82.
[0029] The present invention is not limited to the above-mentioned specific implementation modes, but extends to any new features or any new combination disclosed in this specification, as well as any new method or process steps or any new combination disclosed.
Claims
1. A special-shaped bolt installation and connection device, characterized in that: It comprises a screw lower support assembly (6) which is sleeved on the screw head (2) and supports the screw (1) and the screw head (2), and a nut twisting mechanism (8) which is sleeved on the nut (4); The screw lower support assembly (6) comprises a hook-shaped bracket (61), a hand grip (62) arranged at one end of the hook-shaped bracket (61), a screw head support seat (63) arranged at the other end of the hook-shaped bracket (61) and facing the screw (1), and a screw head mounting groove (64) provided in the screw head support seat (63) and matching with the screw head (2); The nut twisting mechanism (8) comprises a handle (81), a nut twisting seat (83) arranged at the top of the handle (81), a transverse through hole (84) provided on the nut twisting seat (83) along the transverse direction, a first nut notch (85) provided on the nut twisting seat (83) and respectively disposed on both sides of the transverse through hole (84), and a second nut notch (86) and a longitudinal hole (87) provided on the nut twisting seat (83) in sequence along the longitudinal direction; the first nut notch (85) and the second nut notch (86) match the nut (4), and the transverse through hole (84) and the longitudinal hole (87) match the diameter of the screw rod (1).
2. A special-shaped bolt installation and connection device according to claim 1, characterized in that: The screw head (2) and the screw head mounting groove (64) are in the shape of a polygonal column or an ellipsoidal column.
3. A special-shaped bolt installation and connection device according to claim 1, characterized in that: The hand grip (62) is in the shape of a crossbar, a ball or a knob.
4. A special-shaped bolt installation and connection device according to any one of claims 1 to 3, characterized in that: A force rod through hole (82) is provided on the handle (81) along the transverse direction.
5. A special-shaped bolt installation and connection device according to any one of claims 1 to 3, characterized in that: At least one gasket (3) is sleeved on the screw rod (1); the special-shaped bolt installation and connection device also includes: a gasket loading plate (7) for clamping the gasket (3); a gasket clamping groove (71) is provided at the front end of the gasket loading plate (7); and the gasket (3) is clamped in the gasket clamping groove (71).