Double-bolt-head bolt with detachable pointed end
By designing a double-bolt head bolt with a detachable pointed tip and utilizing the limiting structure of the slide groove and the movable block, the problem of hole enlargement required in the prior art is solved, and flexible installation and convenient connection of different types of bolts are achieved.
Patent Information
- Application Number
- CN202422981293.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing double-head bolts require additional hole enlargement when the mounting hole of non-metallic materials is small, which is inconvenient to use and can only install bolts of one diameter, reducing practicality and scope of use.
A double-bolt head bolt with a detachable pointed tip is designed. By setting a sliding groove and a moving block in the mounting shell and utilizing the cooperation of the limit rod and the rotating shaft, the installation of different types of bolts can be achieved. The mounting block is embedded in the groove for positioning under the limit, and the nut is rotated on the bolt surface for positioning.
Flexible installation of different types of bolts is achieved, the convenience and practicality of installation are improved, and the scope of use is expanded.
Smart Images

Figure CN223359640U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of double-bolt head bolts, in particular to a double-bolt head bolt with a detachable pointed head. Background Art
[0002] Bolt head bolts are also called double-headed screws or double-headed studs. They can be used in mechanical seal seats and reducer racks where the main body is large equipment and accessories need to be installed. They can also be used to connect thick plates and places where it is inconvenient to use hexagonal bolts.
[0003] The existing published patent number is: CN217328009U, which discloses a double-bolt head bolt with a detachable pointed head, which relates to the field of bolt technology. It is designed to solve the problem in the prior art that when using double-bolt head bolts with small non-metallic mounting holes, additional hole enlargement is required, which is very inconvenient to use. An upper screw rod is provided above the hexagonal rod, and the upper screw rod includes an upper threaded section and an upper polished rod section. An upper pointed head is provided above the upper threaded section, and the upper threaded section and the upper pointed head are set as an integrated structure. A lower screw rod is provided below the hexagonal rod, and the lower screw rod includes a lower polished rod section and a lower threaded section. A lower pointed head is provided below the lower threaded section, and the lower threaded section and the lower pointed head are set as an integrated structure. A first hexagonal groove is provided above the hexagonal rod.
[0004] The upper screw and the lower screw of the above scheme can be disassembled, which improves flexibility. When in use, they can be disassembled and used according to the needs. After connecting and installing two objects, the next object can be disassembled separately, which improves practicality of use. During installation, only bolts of one diameter can be installed, which reduces practicality and reduces the scope of use. Utility Model Content
[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a double-bolt head bolt with a detachable pointed tip, comprising: a mounting shell, the inner wall of the mounting shell is provided with multiple sliding grooves, the internal sliding connection of the multiple sliding grooves is two mounting blocks, the interior of the mounting shell is fixedly connected to two cross plates, the interiors of the two cross plates are movably embedded with threaded rods, one end of the two threaded rods is rotatably connected to a moving block through a bearing, the top of the outer surface of the two moving blocks is fixedly connected to a limiting rod, and the two limiting rods are movably embedded in the interiors of the two cross plates.
[0006] The technical effect of adopting the above further scheme is: the mounting block is installed inside the mounting shell, and different types of bolt bodies can be installed by moving the movable block, and the installation is convenient; the nut rotates on the outer surface of the bolt body, and the limit block limits the parts installed on the surface of the bolt body.
[0007] As a preferred embodiment, grooves are provided on the outer surfaces of the two mounting blocks, the two movable blocks are movably embedded in the two grooves, two square holes are provided on the outer surface of the mounting shell, and the top ends of the two threaded rods are fixedly connected to a rotating shaft.
[0008] The technical effect of adopting the above further solution is: rotating the rotating shaft, the moving block moves under the limit of the limit rod, and the moving block is embedded in the inside of the groove to limit the installation block. At this time, the installation block is installed inside the installation shell.
[0009] As a preferred embodiment, the two rotating shafts are located inside the two square holes, the outer surfaces of the two mounting blocks are fixedly connected with connecting columns, one end of the two connecting columns is fixedly connected to the limiting blocks, and the outer surfaces of the two limiting blocks are fixedly connected with the bolt body.
[0010] The technical effect of adopting the above further solution is that different types of bolt bodies can be installed by moving the moving block, and the installation is convenient.
[0011] As a preferred embodiment, nuts are movably sleeved on the outer surfaces of the two bolt bodies, and one end of the two nuts is fixedly connected to a pointed body.
[0012] The technical effect of adopting the above further solution is that the nut rotates on the outer surface of the bolt body, and the limit block limits the parts installed on the surface of the bolt body.
[0013] Compared with the prior art, the advantages and positive effects of the present invention are:
[0014] 1. When the utility model is in use, the movable block moves under the limit of the limit rod. At this time, the movable block is embedded in the inside of the groove to limit the mounting block. At this time, the mounting block is installed in the inside of the mounting shell. Different types of bolt bodies can be installed by moving the movable block, and the installation is convenient.
[0015] 2. When using the utility model, the bolt body is picked up and the mounting block is inserted into the interior of the mounting shell. At this time, the mounting block fits into the interior of the slide groove and slides toward the interior of the mounting shell. At this time, the mounting block is located on the outer surface of the moving block, which is convenient for installation. The nut rotates on the outer surface of the bolt body, and the limit block limits the parts installed on the surface of the bolt body. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model provides a schematic diagram of the three-dimensional structure of a double-bolt head bolt with a detachable pointed head;
[0017] Figure 2The utility model provides a schematic diagram of the internal structure of a mounting shell of a double-bolt head bolt with a detachable pointed tip;
[0018] Figure 3 This is a schematic diagram of the enlarged structure of the groove of a double-bolt head bolt with a detachable pointed head proposed by the utility model;
[0019] Figure 4 The utility model provides a schematic diagram of the plane structure of a mounting shell of a double-bolt head bolt with a detachable pointed head.
[0020] Legend: 101, mounting shell; 102, slide groove; 103, horizontal plate; 104, threaded rod; 105, rotating shaft; 106, limiting rod; 107, moving block; 108, square hole; 109, mounting block; 110, groove; 111, connecting column; 112, limiting block; 113, bolt body; 114, nut; 115, pointed body. DETAILED DESCRIPTION
[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.
[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0023] See also Figures 1 to 4 The utility model provides a double-bolt head bolt with a detachable pointed tip, comprising: a mounting shell 101, an inner wall of the mounting shell 101 is provided with a plurality of sliding grooves 102, the interior of the plurality of sliding grooves 102 is slidably connected to two mounting blocks 109, the interior of the mounting shell 101 is fixedly connected to two horizontal plates 103, the interior of the two horizontal plates 103 are movably embedded with threaded rods 104, one end of the two threaded rods 104 are rotatably connected to moving blocks 107 through bearings, the top of the outer surface of the two moving blocks 107 are fixedly connected to the limiting rods 106, and the two limiting rods 106 are movably embedded in the interior of the two horizontal plates 103, the mounting block 109 is installed to the interior of the mounting shell 101, and different types of bolt bodies 113 can be installed by moving the moving block 107, and the installation is convenient, the nut 114 rotates on the outer surface of the bolt body 113, and the limiting block 112 limits the parts installed on the surface of the bolt body 113.
[0024] like Figures 1 to 4As shown, the outer surfaces of the two mounting blocks 109 are provided with grooves 110, and the two moving blocks 107 are movably embedded in the inside of the two grooves 110. The outer surface of the mounting shell 101 is provided with two square holes 108, and the top ends of the two threaded rods 104 are fixedly connected with the rotating shaft 105. The rotating shaft 105 is rotated to move the moving block 107 under the limit of the limiting rod 106. At this time, the moving block 107 is embedded in the inside of the groove 110 to limit the mounting block 109. At this time, the mounting block 109 is installed in the inside of the mounting shell 101.
[0025] like Figures 1 to 4 As shown, the two rotating shafts 105 are both located inside the two square holes 108, the outer surfaces of the two mounting blocks 109 are fixedly connected with connecting columns 111, one end of the two connecting columns 111 is fixedly connected with limiting blocks 112, and the outer surfaces of the two limiting blocks 112 are fixedly connected with bolt bodies 113. Different types of bolt bodies 113 can be installed by moving the moving block 107, and the installation is convenient.
[0026] like Figures 1 to 4 As shown, the outer surfaces of the two bolt bodies 113 are movably covered with nuts 114, and one end of the two nuts 114 is fixedly connected to a pointed body 115. The nuts 114 rotate on the outer surface of the bolt body 113, and the limit blocks 112 limit the parts installed on the surface of the bolt body 113.
[0027] Working principle: After picking up the bolt body 113, insert the mounting block 109 into the interior of the mounting shell 101. At this time, the mounting block 109 fits into the inside of the slide groove 102 and slides toward the inside of the mounting shell 101. At this time, the mounting block 109 is located on the outer surface of the moving block 107. Then, by rotating the rotating shaft 105, the moving block 107 is moved under the limit of the limiting rod 106. At this time, the moving block 107 is embedded in the inside of the groove 110 to limit the mounting block 109. At this time, the mounting block 109 is installed into the interior of the mounting shell 101. Different types of bolt bodies 113 can be installed through the movement of the moving block 107, and the installation is convenient. The nut 114 rotates on the outer surface of the bolt body 113, and the limiting block 112 limits the parts installed on the surface of the bolt body 113.
[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.
Claims
1. A double-bolt head bolt with a detachable pointed tip, comprising: The mounting shell (101) is characterized in that a plurality of slide grooves (102) are provided on the inner wall of the mounting shell (101), two mounting blocks (109) are slidably connected to the interior of the plurality of slide grooves (102), two transverse plates (103) are fixedly connected to the interior of the mounting shell (101), threaded rods (104) are movably embedded in the interiors of the two transverse plates (103), one end of the two threaded rods (104) is rotatably connected to a moving block (107) through a bearing, the tops of the outer surfaces of the two moving blocks (107) are fixedly connected to a limiting rod (106), and the two limiting rods (106) are movably embedded in the interiors of the two transverse plates (103).
2. A double-bolt head bolt with a detachable pointed head according to claim 1, characterized in that: The outer surfaces of the two installation blocks (109) are both provided with grooves (110), and the two moving blocks (107) are both movably embedded in the two grooves (110).
3. A double-bolt head bolt with a detachable pointed head according to claim 2, characterized in that: Two square holes (108) are provided on the outer surface of the mounting shell (101), and the top ends of the two threaded rods (104) are fixedly connected to a rotating shaft (105).
4. A double-bolt head bolt with a detachable pointed head according to claim 3, characterized in that: The two rotating shafts (105) are both located inside the two square holes (108), and the outer surfaces of the two mounting blocks (109) are both fixedly connected with connecting columns (111).
5. A double-bolt head bolt with a detachable pointed head according to claim 4, characterized in that: One end of each of the two connecting columns (111) is fixedly connected to a limiting block (112), and the outer surfaces of each of the two limiting blocks (112) are fixedly connected to a bolt body (113).
6. A double-bolt head bolt with a detachable pointed head according to claim 5, characterized in that: Nuts (114) are movably sleeved on the outer surfaces of the two bolt bodies (113).
7. A double-bolt head bolt with a detachable pointed head according to claim 6, characterized in that: One end of each of the two nuts (114) is fixedly connected to a pointed body (115).
Citation Information
Patent Citations
Double-bolt-head bolt with detachable pointed end
CN217328009U