Nut
By designing the nut structure and using a pin to break into the workpiece to prevent loosening and stop movement, the problem of single nuts easily loosening in vibration environments is solved, enhancing the reliability and specialization of the connection.
Patent Information
- Application Number
- CN202520756185.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-04-21
AI Technical Summary
A single nut is prone to loosening in a vibrating environment, leading to an unreliable connection.
A nut structure was designed, including a nut body, a neck ring, a ejector pin, a pressure ring, a support ring, an outer retaining ring, and an elastic ring. The ejector pin is driven into the workpiece by hammering the pressure ring to achieve the effects of preventing loosening and stopping the movement.
It achieves anti-loosening and locking of nuts in vibration environments, enhancing the reliability and specialization of the connection.
Smart Images
Figure CN223868361U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fastener technical field, more specifically, it relates to a nut. BACKGROUND
[0002] If the nut and the workpiece contact surface are smooth after the single nut is completed and rotated, and the working condition is in a continuous vibration environment, the nut is easy to loosen, the connection is unreliable, and the overall effect is poor. Accordingly, the utility model provides a nut. UTILITY MODEL CONTENTS
[0003] The utility model discloses a nut, which has the characteristics of stop and anti-looseness and strong speciality.
[0004] To solve the above technical problems, the utility model aims at realizing the following: a nut is provided, which comprises a nut body with a threaded hole in the center, a neck ring with a convex end face is arranged at one end of the nut body, a plurality of thimble holes extending along the axial direction of the nut body and penetrating the nut body are arranged on the outer periphery of the neck ring, a thimble with an upper end extending out of the hole is slidably connected in the thimble hole, a compression ring that moves axially relative to the neck ring is sleeved on the neck ring, the bottom of the compression ring is pressed on the thimble, and the top of the compression ring is higher than the neck ring, a support ring is arranged on the inner side of the compression ring, a snap spring groove is arranged on the neck ring above the support ring, an outer snap spring is embedded in the snap spring groove, an elastic ring is sleeved on the neck ring between the support ring and the outer snap spring, the upper end of the elastic ring abuts against the outer snap spring, and the lower end of the elastic ring abuts against the support ring.
[0005] The utility model is further provided as follows: the lower end of the thimble does not extend out of the thimble hole.
[0006] The utility model is further provided as follows: the thimble does not slide relative to the thimble hole in a natural state.
[0007] The utility model is further provided as follows: the neck ring and the nut body are an integral structure.
[0008] The utility model is further provided as follows: the support ring and the compression ring are an integral structure.
[0009] The utility model is further provided as follows: the interval included angle between the adjacent two thimble holes is equal.
[0010] The utility model is further provided as follows: the elastic ring is a rubber ring.
[0011] In conclusion, the utility model has the following beneficial effects: the utility model relates to a nut, the nut is completed by beating and rotating, the pressing ring moves downwards relative to the nut, impacts all the thimbles, the thimbles break into the workpiece, and the anti-rotation and stop effect is achieved; the workpiece with slightly short texture is used for connection, the speciality is strong, the overall function is perfect, and the practicality is strong. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the whole structure schematic diagram of the utility model;
[0013] Figure 2 It is the partial structure schematic diagram of the utility model. DETAILED DESCRIPTION
[0014] In order to make those skilled in the art better understand the technical scheme of the utility model, the preferred implementation scheme of the utility model is described below in combination with specific implementation examples, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, and are not the limitation of the utility model patent claim. Based on the examples in the utility model, all other examples obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0015] The utility model is further illustrated below in combination with the drawings and preferred examples.
[0016] Example 1
[0017] Referring to Figure 1 And Figure 2 It is shown that the nut related in the embodiment includes the nut body 1 with the threaded hole in the center, the neck ring 2 with the convex end face is arranged at one end of the nut body 1, a plurality of thimble holes 3 extending along the axial direction of the nut body and penetrating the nut body are arranged on the outer periphery of the neck ring 2, the thimble 4 with the upper end extending out of the hole is slidably connected in the thimble hole 3, the pressing ring 5 relatively moving in the axial direction is sleeved on the neck ring 2, the bottom of the pressing ring 5 is pressed on the thimble, and the top is higher than the neck ring, the inner side of the pressing ring 5 is provided with the support ring 6, the clamping spring groove 7 is arranged on the neck ring above the support ring 6, the outer clamping spring 8 is embedded in the clamping spring groove 7, the elastic ring 9 is sleeved on the neck ring between the outer clamping spring 8 and the support ring 6, the upper end of the elastic ring 9 abuts against the outer clamping spring, and the lower end abuts against the support ring.
[0018] Further, the lower end of the thimble 4 does not extend out of the thimble hole.
[0019] Further, the thimble 4 in the natural state does not slide relative to the thimble hole 3.
[0020] Further, the interval angle between the adjacent two thimble holes 3 is equal.
[0021] Further, the elastic ring 9 is a rubber ring.
[0022] In the embodiment, the nut is first screwed, and then the pressing ring 5 higher than the collar is struck by an external object, the pressing ring 5 moves axially relative to the nut body 1, and at the same time, all the thimbles 4 move axially relative to the thimble holes 3, until the thimbles 4 extend out of the thimble holes 3 and break into the workpiece with slightly soft texture, so as to achieve the stop and anti-loose effect.
[0023] The external snap spring 8 is arranged through the snap spring slot 7, and the elastic ring 9 and the pressing ring 5 are axially limited through the external snap spring 8.
[0024] The elastic ring 9 is arranged to serve as a buffer shock-absorbing effect.
[0025] Embodiment 2
[0026] Referring to Figure 1 and Figure 2 , the nut of the embodiment is further arranged to be an integral structure of the collar 2 and the nut body 1 on the basis of the embodiment 1.
[0027] Further, the support ring 6 and the pressing ring 5 are an integral structure.
[0028] In the embodiment, the collar 2 and the nut body 1 are arranged to be an integral structure, so that the nut is easy to be formed and manufactured. The support ring 6 and the pressing ring 5 are arranged to be an integral structure, so that the nut is easy to be formed and manufactured.
[0029] The nut of the utility model relates to a nut which is screwed by striking, and the pressing ring moves downward relative to the nut, all the thimbles break into the workpiece, so as to achieve the anti-rotation and stop effect; the nut is used in connection with the workpiece with slightly short texture, has strong speciality, perfect overall function and strong practicability.
[0030] Unless otherwise specified, in the utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating the orientation or positional relationship, it is based on the actual shown orientation or positional relationship, and is only for the convenience of describing the utility model and simplifying the description, and therefore the orientation or positional relationship described in the utility model is only used for example description, and cannot be understood as the limitation of the patent, and for the ordinary skilled person in the art, the specific meaning of the above-mentioned terms can be understood in combination with the embodiments and according to the specific situation.
[0031] Unless otherwise clearly indicated and limited, in the present application, if the terms "provided", "connected" and "connected" are used, they should be understood broadly, for example, they can be fixedly connected, or can be detachably connected, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium, or can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0032] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the existing technology according to the concept of the present application shall be within the protection scope determined by the claims.
Claims
1. A nut, comprising a nut body with a threaded hole in the center, characterized in that: One end of the nut body is provided with a neck ring with a protruding end face. The outer periphery of the neck ring is provided with a number of pin holes that extend along the axial direction of the nut body and penetrate the nut body vertically. Pins with their upper ends protruding from the pin holes are slidably connected in the pin holes. The neck ring is covered with a pressure ring that moves axially relative to it. The bottom of the pressure ring presses on the pins and the top is higher than the neck ring. The inner side of the pressure ring is provided with a support ring. Above the support ring is a retaining spring groove opened on the neck ring. An outer retaining spring is embedded in the retaining spring groove. An elastic ring is provided between the outer retaining spring and the support ring, which is fitted on the neck ring. The upper end of the elastic ring abuts against the outer retaining spring and the lower end abuts against the support ring.
2. The nut according to claim 1, characterized in that: The lower end of the ejector pin does not extend beyond the ejector pin hole opening.
3. The nut according to claim 2, characterized in that: In its natural state, the ejector pin does not slide relative to the ejector pin hole.
4. The nut according to any one of claims 1-3, characterized in that: The collar and the nut body are an integral structure.
5. The nut according to claim 4, characterized in that: The support ring and the pressure ring are an integral structure.
6. The nut according to claim 1, characterized in that: The included angle between two adjacent pin holes is equal.
7. The nut according to claim 1, characterized in that: The elastic ring is a rubber ring.