Stud bolt

By setting the spring groove and sink groove in the double-head bolt, the adjustability of the length of the bolt at both ends is achieved, solving the problem of the fixed and unadjustable length of the traditional double-head bolt, and improving the flexibility of use and simplicity of processing.

CN222315599UActive Publication Date: 2025-01-07嘉兴钜隆五金科技股份有限公司
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Patent Information

Application Number
CN202421274258.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-01-07
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

The two ends of the traditional double-head bolts are fixed and unadjustable in both ends, which limits their flexibility and adaptability.

Method used

A double-headed bolt including a stud extending along a straight line and a nut is designed. A multiple spring groove and sink groove are provided on the stud. The length of the bolt ends is adjusted through the insertion of the spring and the rotation of the nut. Avoid changes in the use of cold heading equipment and processing technology.

Benefits of technology

The adjustment of the length of the protruding ends of the bolt is achieved, which improves the flexibility of use and the practicality of the product, while simplifying the processing technology and avoiding the dependence of the equipment.

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Abstract

The utility model discloses a double-end bolt which comprises a stud extending along a straight line, the stud is in threaded connection with a nut, one end of the nut is provided with a first snap spring groove formed in the stud, the other end of the nut is provided with a second snap spring groove formed in the stud, a first outer snap spring with the end face tightly attached to the nut is embedded in the first snap spring groove, and a second snap spring with the end face tightly attached to the nut is embedded in the second snap spring groove. A second outer clamping spring with the end face tightly attached to the nut is embedded in the second clamping spring groove. The number of the first clamp spring grooves is not less than two, the second clamp spring grooves are matched with the first clamp spring grooves in a one-to-one mode, the distance between every two adjacent first clamp spring grooves is equal, and the distance between any first clamp spring groove and the second clamp spring groove matched with the first clamp spring groove is equal. A first sinking groove for embedding the first outer clamping spring is dug in one end of the nut, and a second sinking groove for embedding the second outer clamping spring is dug in the other end of the nut. The double-end bolt has the advantages of being novel in structure, adjustable in extension length of two ends, complete in overall function and high in practicability.
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Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, and more specifically, to a stud bolt. Background Art

[0002] Traditional stud bolts are made by straightening wire, cold heading and finally thread rolling. The rotating part near the waist is an integrated structure with the main body. Although it has good structural strength, the protruding lengths of both ends are fixed and cannot be adjusted. Based on this, the utility model proposes a stud bolt. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned deficiencies in the prior art and provides a stud bolt, which has the characteristics of novel structure and adjustable protruding lengths of both ends.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model involves a stud bolt, including a stud extending along a straight line, a nut being threadedly connected to the stud, one end of the nut being provided with a first retaining ring groove opened on the stud, and the other end being provided with a second retaining ring groove opened on the stud, a first external retaining ring whose end face is tightly against the nut is embedded in the first retaining ring groove, and a second external retaining ring whose end face is tightly against the nut is embedded in the second retaining ring groove.

[0005] The utility model is further configured as follows: the number of the first retaining spring grooves is not less than two, the second retaining spring grooves are matched with the first retaining spring grooves one by one, the distance between two adjacent first retaining spring grooves is equal, and the distance between any first retaining spring groove and the second retaining spring groove matched therewith is equal.

[0006] The utility model is further configured as follows: a first recessed groove for burying a first external retaining spring is dug at one end of the nut, and a second recessed groove for burying a second external retaining spring is dug at the other end.

[0007] The utility model is further configured as follows: the depth of the first sink groove is not less than the thickness of the first external retaining spring; the depth of the second sink groove is not less than the thickness of the second external retaining spring.

[0008] The utility model is further configured as follows: the nut is a hexagonal nut.

[0009] In summary, the utility model has the following beneficial effects:

[0010] 1. The bolt is made by splicing multiple components, no cold heading equipment is required, the processing technology is changed, and the product structure is changed.

[0011] 2. The protruding length of both ends of the bolt is adjustable, which is flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a partial structural schematic diagram of the utility model;

[0014] Figure 3 It is a partial structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0015] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0016] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0017] Example 1

[0018] See also Figures 1 to 3 As shown, a stud bolt involved in this embodiment includes a stud 1 extending along a straight line, a nut 2 being threadedly connected to the stud 1, a first retaining spring groove 3 opened on the stud 1 is provided at one end of the nut 2, and a second retaining spring groove 4 opened on the stud 1 is provided at the other end, a first external retaining spring 5 with an end face tightly against the nut is embedded in the first retaining spring groove 3, and a second external retaining spring 6 with an end face tightly against the nut is embedded in the second retaining spring groove 4.

[0019] Furthermore, the nut 2 is a hexagonal nut.

[0020] In this embodiment, the first retaining ring groove 3 and the second retaining ring groove 4 are first machined on the uncut stud 1, and then the stud 1 is cut off according to the set length. Then, the nut 2 matching it is taken out and the nut 2 is screwed on the stud 1 to a preset position. Finally, the first external retaining ring 5 is clamped on one end of the nut 2 and the second external retaining ring 6 is clamped on the other end to ensure that the end face of the first external retaining ring 5 is in close contact with the nut 2 and the end face of the second external retaining ring 6 is in close contact with the nut 2.

[0021] Example 2

[0022] See also Figures 1 to 3As shown, the stud bolt involved in this embodiment is further configured on the basis of Embodiment 1, wherein the number of the first retaining spring grooves 3 is not less than two, the second retaining spring grooves 4 are matched one by one with the first retaining spring grooves 3, the spacing between two adjacent first retaining spring grooves 3 is equal, and the spacing between any first retaining spring groove 3 and the second retaining spring groove 4 matched therewith is equal.

[0023] In this embodiment, by selecting the corresponding first retaining ring groove 3 to install the corresponding first external retaining ring 5 and by selecting the corresponding second retaining ring groove 4 to install the corresponding second external retaining ring 6, the length of the stud 1 extending from both ends of the nut 2 can be changed accordingly.

[0024] Example 3

[0025] See also Figures 1 to 3 As shown, the stud bolt involved in this embodiment is further configured on the basis of embodiments 1 and 2, wherein one end of the nut 2 is provided with a first recessed groove 7 for burying the first external retaining spring 5, and the other end is provided with a second recessed groove 8 for burying the second external retaining spring 6.

[0026] Furthermore, the depth of the first recessed groove 7 is not less than the thickness of the first external retaining ring 5 ; the depth of the second recessed groove 8 is not less than the thickness of the second external retaining ring 6 .

[0027] In this embodiment, by setting the first groove 7 and the second groove 8, and setting the depth of the first groove 7 to be no less than the thickness of the first external retaining spring 5 and the depth of the second groove 8 to be no less than the thickness of the second external retaining spring 6, both ends of the nut 2 on the installed stud bolt can have flat positioning surfaces.

[0028] The stud bolt involved in the utility model is formed by splicing multiple components, does not require cold heading equipment, changes the processing technology, and changes the product structure; and the protruding lengths of both ends of the bolt are adjustable, the use is flexible, the overall function is perfect, and the practicability is strong.

[0029] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0030] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A stud bolt comprising a stud extending in a straight line, characterized in that: A nut is threadedly connected to the stud, one end of the nut is provided with a first retaining ring groove opened on the stud, and the other end is provided with a second retaining ring groove opened on the stud, the first retaining ring groove is embedded with a first external retaining ring with an end face close to the nut, and the second retaining ring groove is embedded with a second external retaining ring with an end face close to the nut.

2. The stud bolt according to claim 1, characterized in that: The number of the first retaining spring grooves is not less than two, the second retaining spring grooves match the first retaining spring grooves one by one, the distance between two adjacent first retaining spring grooves is equal, and the distance between any first retaining spring groove and the second retaining spring groove matching it is equal.

3. The stud bolt according to claim 1 or 2, characterized in that: A first recessed groove for burying a first external retaining spring is dug at one end of the nut, and a second recessed groove for burying a second external retaining spring is dug at the other end of the nut.

4. The stud bolt according to claim 3, characterized in that: The depth of the first recessed groove is not less than the thickness of the first external retaining ring; the depth of the second recessed groove is not less than the thickness of the second external retaining ring.

5. The stud bolt according to claim 1, characterized in that: The nut is a hexagonal nut.