Nested buffer nut
By using a nested buffer nut design, with the help of a buffer layer, a retaining ring, and a limiting structure, the problem of nut loosening in a vibrating environment is solved, achieving stable connection and dustproof effect, and improving the reliability of equipment operation.
Patent Information
- Application Number
- CN202520744418.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-17
AI Technical Summary
In scenarios with complex vibration environments or high requirements for connection stability, ordinary nuts are prone to loosening, which can affect the normal operation of equipment and may lead to safety hazards.
A nested buffer nut was designed, which achieves shock absorption and dust prevention by setting a buffer structure between the outer nut and the inner nut, including a buffer layer, a retaining ring and a limiting structure, combined with a dustproof device.
It effectively reduces the phenomenon of nuts loosening due to vibration, improves the stability and reliability of the connection, prevents dust from entering the nut, and avoids safety hazards.
Smart Images
Figure CN223854626U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to nut technical field, concretely is a nested buffer nut. BACKGROUND
[0002] In mechanical connection, nut as commonly used fastening element, plays a vital role, through nut bolt fixed, makes mechanical parts connect together.
[0003] In actual use, through the nut is sleeved on the outer wall of bolt, and uses spanner to rotate nut, makes nut and bolt fixed together, this can fix multiple mechanical parts together, this is more stable.
[0004] But in actual use, in the scene that vibration environment is more complex or the requirement of higher to connection stability, ordinary nut is easy loose phenomenon appears, influence equipment's normal operation, even possibly lead to serious security risk. UTILITY MODEL CONTENTS
[0005] In view of the deficiency of prior art, the utility model provides a nested buffer nut, solves the problem that ordinary nut is easy loose phenomenon appears in the scene that vibration environment is more complex or the requirement of higher to connection stability in actual use, influence equipment's normal operation, even possibly lead to serious security risk.
[0006] To realize the above-mentioned purpose, the utility model is realized through following technical scheme: a nested buffer nut, including outer nut, the inside installation of outer nut has inner nut, and the inner wall of inner nut is provided with first screw thread, and the nested buffer nut still includes buffer structure, and the buffer structure is installed between outer nut and inner nut;Dustproof device is installed at the top of outer nut;Wherein, through buffer structure, the shock absorption between inner nut and outer nut is carried out, and dustproof device can prevent dust from entering the inside of outer nut.
[0007] Preferably, the buffer structure includes a buffer layer, the buffer layer is fixedly connected to the inner wall of the outer nut, a fixing ring is fixedly connected to the inner wall of the buffer layer and is attached to the outer wall of the inner nut, a limiting structure is installed between the outer nut and the inner nut, and the buffer layer and the fixing ring cooperate to buffer the inner nut and the outer nut, and the limiting structure stabilizes the inner nut during installation.
[0008] Preferably, the limiting structure includes a slot, the slot is formed in the inner wall of the fixing ring, a plug block is slidingly connected to the inner wall of the slot and is fixedly connected to the outer wall of the inner nut, and the slot and the plug block cooperate to stabilize the inner nut during fixation.
[0009] Preferably, the dustproof device comprises an annular groove, which is arranged on the top of the outer nut; and a sealing ring, which is inserted into the inner wall of the annular groove; wherein the cooperation of the annular groove and the sealing ring prevents dust from entering between the outer nut and the inner nut.
[0010] Preferably, the inner wall of the outer nut is provided with a second thread.
[0011] Beneficial effects
[0012] The utility model provides a nested buffer nut. Have following beneficial effect: the nested buffer nut passes through the cooperation of buffer layer, fixed ring and limit structure, installs the inner nut in the inside of outer nut, and two nuts are on same axis, like this, when the outer wall of threaded rod is covered, the synchronous rotation of two can be realized, and buffer layer is arranged between two, buffer layer is made of rubber, so can effectively slow down the vibration, avoid the loose phenomenon, influence the normal operation of equipment, can even lead to serious security risk.
[0013] Through the cooperation of the annular groove, the sealing ring and the outer nut, when installing the outer nut and the inner nut, the side of the outer nut provided with the sealing ring is tightly pressed against the bolt, so that the sealing ring is tightly pressed between the outer nut and the bolt under the extrusion of the outer nut. Thus, the sealing ring can prevent impurities from entering the outer nut, affecting the stability of the bolt and nut connection. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is Figure 1 It is an appearance schematic view of the outer nut, the inner nut and the sealing ring;
[0016] Figure 3 It is Figure 1 It is a bottom structure schematic view of the outer nut;
[0017] Figure 4 It is Figure 1 It is a structure schematic view of the outer nut, the annular groove and the buffer pad;
[0018] Figure 5 It is Figure 1 It is a structure schematic view.
[0019] In the figure: 1, outer nut; 11, inner nut; 12, first thread; 13, second thread; 2, buffer structure; 21, buffer layer; 22, fixed ring; 23, limit structure; 231, insertion slot; 232, insertion block; 3, dustproof device; 31, annular groove; 32, sealing ring. DETAILED DESCRIPTION
[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0021] In actual use, in a complex vibration environment or a scene with high requirements for connection stability, the ordinary nut is prone to loosening, affecting the normal operation of the equipment, and even causing serious safety hazards.
[0022] Therefore, the present application provides a nested buffer nut, which solves the problem of loosening of ordinary nuts in a complex vibration environment or a scene with high requirements for connection stability, affecting the normal operation of the equipment, and even causing serious safety hazards.
[0023] Through the connection of the parts in the case by those skilled in the art, the specific connection and operation sequence should be referred to the following working principle, and the detailed connection means is a known technology in the art, and the following mainly introduces the working principle and process.
[0024] Embodiment one: by Figures 1-5 It can be seen that a nested buffer nut comprises an outer nut 1, an inner nut 11 installed inside the outer nut 1, a first thread 12 provided on the inner wall of the inner nut 11, a buffer structure 2 and a dustproof device 3, the buffer structure 2 is installed between the outer nut 1 and the inner nut 11, the dustproof device 3 is installed on the top of the outer nut 1, wherein the buffer structure 2 is used for damping between the inner nut 11 and the outer nut 1, and the dustproof device 3 can prevent dust from entering the inside of the outer nut 1.
[0025] In the specific implementation process, it is particularly worth noting that the inner nut 11 is provided on the inner wall of the outer nut 1, and the two nuts are on the same axis, so that the same bolt can be installed, and the first thread 12 is provided on the inner wall of the inner nut 11, so that the inner nut 11 and the bolt can be connected, and the buffer structure 2 is provided between the inner nut 11 and the outer nut 1, so that when the nut as a whole is vibrated, the vibration can be effectively reduced to avoid loosening, and the dustproof device 3 can prevent dust from entering between the nut and the bolt.
[0026] Further, the buffer structure 2 comprises a buffer layer 21, a fixing ring 22 and a limiting structure 23, the buffer layer 21 is fixedly connected above the inner wall of the outer nut 1; the fixing ring 22 is fixedly connected to the inner wall of the buffer layer 21 and is attached to the outer wall of the inner nut 11; the limiting structure 23 is installed between the outer nut 1 and the inner nut 11; wherein, through the cooperation of the buffer layer 21 and the fixing ring 22, the inner nut 11 and the outer nut 1 are buffered, and the limiting structure 23 makes the inner nut 11 stable during installation;
[0027] In the specific implementation process, it is particularly worth pointing out that the buffer layer 21 is made of elastic materials such as rubber or silicone, and its thickness is determined according to the actual situation, so that it can effectively absorb vibration energy and reduce the loosening between the nut and the bolt due to vibration, and the inner nut 11 and the outer nut 1 are connected together by the fixing ring 22 and the limiting structure 23, so that the nut can be damped when it is subjected to vibration;
[0028] Further, the limiting structure 23 comprises a slot 231 and a plug 232, the slot 231 is opened in the inner wall of the fixing ring 22; the plug 232 is slidingly connected to the inner wall of the slot 231 and is fixedly connected to the outer wall of the inner nut 11; wherein, through the cooperation of the slot 231 and the plug 232, the inner nut 11 is stable during fixing;
[0029] In the specific implementation process, it is particularly worth pointing out that the plug 232 is provided on the outer wall of the inner nut 11 and corresponds to the slot 231 opened in the inner wall of the fixing ring 22, so that the inner nut 11 and the outer nut 1 will not fall off and affect the actual use, the buffer layer 21 is fixed to the inner wall of the fixing ring 22 by using glue, and the fixing ring 22 is also fixed to the inner wall of the buffer layer 21 by using glue, so that it is stable during use;
[0030] Specifically, when using the nested buffer nut, the outer nut 1 and the inner nut 11 are sleeved on the outer wall of the bolt, and the handle is clamped on the outer wall of the outer nut 1 to drive the outer nut 1 to rotate, and the inner nut 11 and the outer nut 1 are synchronously rotated under the cooperation of the slot 231 and the plug 232 to avoid falling off, and the dustproof device 3 on the outer wall of the outer nut 1 is tightly pressed against the bolt to prevent dust from entering the nut and affecting the stability between the nut and the bolt, and when the bolt and the nut are subjected to vibration, the vibration transmitted to the nut will be absorbed by the buffer layer 21, so that the loosening of the nut and the bolt due to vibration is avoided.
[0031] Example two: by Figures 1-5It can be known that the dustproof device 3 comprises the annular groove 31 and the sealing ring 32, the annular groove 31 is arranged on the top of the outer nut 1, the sealing ring 32 is inserted into the inner wall of the annular groove 31, and the cooperation of the annular groove 31 and the sealing ring 32 prevents dust from entering between the outer nut 1 and the inner nut 11.
[0032] In the specific implementation process, it is worth pointing out that the sealing ring 32 is made of rubber material, and when the nut is tightened on the bolt, the sealing ring 32 can be in close contact with the bolt carrier, thereby playing a sealing role, preventing dust, water vapor and other impurities from entering the connecting part of the nut and the bolt, further improving the stability of the connection, and the size of the annular groove 31 is the same as that of the sealing ring 32.
[0033] Further, the inner wall of the outer nut 1 is provided with a second thread 13 below;
[0034] In the specific implementation process, it is worth pointing out that the inner wall of the outer nut 1 is provided with the same thread as the first thread 12 of the inner wall of the inner nut 11, so that both can be sleeved on the outer wall of the bolt when the nut is installed.
[0035] Specifically, on the basis of the above embodiment, the outer nut 1 is rotated by using a wrench or other tools, since the outer nut 1 and the inner nut 11 are connected together through the buffer layer 21, when the outer nut 1 is rotated, the inner nut 11 will also rotate together, thereby realizing the loosening of the nut from the bolt, after loosening, the nut can be taken off from the bolt, completing the disassembly process, and in the whole use process, the sealing ring 32 can effectively prevent dust, water vapor and other impurities from entering, ensuring the cleanliness of the connecting part of the nut and the bolt, and improving the stability and reliability of the connection.
[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A nested cushion nut comprising an outer nut (1) characterized in that: The inner wall of the inner nut (11) is provided with a first thread (12), and the nested buffer nut further comprises: A buffer structure (2) is installed between the outer nut (1) and the inner nut (11); A dustproof device (3) is installed on the top of the outer nut (1); The dustproof device (3) can prevent dust from entering the inside of the outer nut (1); The buffer structure (2) comprises: A buffer layer (21) is fixedly connected above the inner wall of the outer nut (1); A fixing ring (22) is fixedly connected to the inner wall of the buffer layer (21) and adheres to the outer wall of the inner nut (11); A limiting structure (23) is installed between the outer nut (1) and the inner nut (11); The buffer layer (21) and the fixing ring (22) cooperate to buffer the inner nut (11) and the outer nut (1), and the limiting structure (23) stabilizes the inner nut (11) during installation; The dustproof device (3) comprises: An annular groove (31) is provided on the top of the outer nut (1); A sealing ring (32) is inserted into the inner wall of the annular groove (31); The cooperation of the annular groove (31) and the sealing ring (32) prevents dust from entering between the outer nut (1) and the inner nut (11).
2. A nested bumper nut according to claim 1, wherein: The limiting structure (23) comprises: An insertion slot (231) is provided on the inner wall of the fixing ring (22); An insertion block (232) is slidingly connected to the inner wall of the insertion slot (231) and is fixedly connected to the outer wall of the inner nut (11); The cooperation of the insertion slot (231) and the insertion block (232) stabilizes the inner nut (11) during fixing.
3. A nested bumper nut according to claim 1, wherein: The inner wall of the outer nut (1) is provided with a second thread (13).