Anti-drop nut assembly

Abstract

The utility model discloses an anti-falling nut assembly which comprises a nut sleeve, a shaft hole is formed in the center of the nut sleeve, a first step is arranged in the shaft hole and divides the shaft hole into a thread fixing section and a sleeving section, first internal threads are arranged on the inner wall of the thread fixing section, and a first nylon anti-falling ring is arranged at the end, away from the thread fixing section, of the sleeving section and corresponds to the first step. The nut sleeve is arranged, the first step is arranged in the nut sleeve, so that the nut sleeve is divided into the thread fixing section and the sleeving section, the first internal thread is arranged on the inner wall of the thread fixing end, the thread fixing end is in threaded connection and fixation with the screw rod through the first internal thread, and the first nylon anti-disengaging ring is arranged at the end of the sleeving section; due to the arrangement of the first nylon anti-falling ring, the contact area and the friction force between the nut sleeve and the screw are increased, the anti-falling effect of the nut sleeve is improved, and the nut is prevented from loosening.

Description

Technical Field

[0001] The utility model belongs to the technical field of anti-dropping nuts, and in particular relates to an anti-dropping nut assembly. Background Art

[0002] A nut is a part that is screwed together with a bolt or a screw to tighten the parts. It is a necessary component for all manufacturing machinery. The nut is a part that tightly connects mechanical equipment. Through the inner thread, nuts and bolts of the same specifications can be connected together.

[0003] In the prior art, a nut is generally threadedly connected to a screw rod. Since there is a gap space when the screw rod and the nut are threadedly connected, and the gap is affected by long-term vibration of the fixed object, the gap gradually increases, causing the nut to loosen. Utility Model Content

[0004] The utility model aims to solve the above-mentioned technical problems existing in the prior art and provides an anti-slip nut assembly. A nut sleeve is provided and a step is provided in the nut sleeve so that the nut sleeve is divided into a threaded fixing section and a sleeve section. An internal thread is provided on the inner wall of the threaded fixing end, which is threadedly connected and fixed with a screw rod through the internal thread. A nylon anti-slip ring is provided at the end of the sleeve section. The provision of the nylon anti-slip ring increases the contact area and friction force with the screw rod, thereby improving the anti-slip effect of the nut sleeve and avoiding the loosening of the nut.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] The anti-slip nut assembly comprises a nut sleeve, an axial hole is arranged at the center of the nut sleeve, a step is arranged in the axial hole, the step separates the axial hole into a threaded fixing section and a sleeve section, an internal thread is arranged on the inner wall of the threaded fixing section, and a nylon anti-slip ring is arranged at one end of the sleeve section away from the threaded fixing section corresponding to the step. The utility model provides a nut sleeve and arranges a step in the nut sleeve, so that the nut sleeve is separated into a threaded fixing section and a sleeve section, an internal thread is arranged on the inner wall of the threaded fixing end, and the internal thread is threadedly connected and fixed with a screw rod through the internal thread, and a nylon anti-slip ring is arranged at the end of the sleeve section, and the arrangement of the nylon anti-slip ring increases the contact area and friction with the screw rod, thereby improving the anti-slip effect of the nut sleeve and preventing the nut from loosening.

[0007] Furthermore, a limit ring is provided at one end of the nut sleeve.

[0008] Furthermore, a limit ring is provided at the other end of the nut sleeve.

[0009] Furthermore, the edge of the limit stop ring located at the shaft hole protrudes upward to form an extension portion, and the nylon anti-slip ring 1 is located in the extension portion. The provision of the extension portion facilitates the installation of the nylon anti-slip ring 1.

[0010] Furthermore, a flared opening is provided at one end of the thread fixing section away from the sleeve section. The flared opening plays a guiding role in the connection between the screw rod and the nut sleeve, thereby facilitating the connection between the nut sleeve and the screw rod.

[0011] Furthermore, it also includes a hexagonal nut anti-dropout sleeve, which is connected to the end of the sleeve section. The hexagonal nut anti-dropout sleeve is connected to the nut sleeve, which increases the contact area between the nut assembly and the screw rod, thereby improving the connection strength between the nut assembly and the screw rod and improving the anti-dropout effect of the nut assembly.

[0012] Furthermore, the hexagonal nut anti-dropout sleeve comprises a sleeve body and a second nylon anti-dropout ring, the sleeve body is provided with a center hole in the center matching the shaft hole, and the second nylon anti-dropout ring is arranged at one end of the center hole away from the nut sleeve. The center hole matches the shaft hole setting, and the second nylon anti-dropout setting increases the anti-dropout effect of the sleeve body.

[0013] Furthermore, a second step is provided in the center hole, and the second step separates the center hole into a connection section and an anti-slip section. The inner wall of the connection section is provided with a second internal thread, and the outer wall of the extension portion is provided with an external thread correspondingly. The second internal thread is matched with the external thread, and a second nylon anti-slip ring is provided in the anti-slip section. By providing the second internal thread on the inner wall of the connection section and the corresponding external thread on the outer wall of the extension portion, a threaded connection between the extension portion and the connection section is achieved. The second nylon anti-slip ring is provided in the anti-slip section, which increases the anti-slip effect of the nut assembly as a whole.

[0014] Furthermore, the end surface of the sleeve body close to the limit retaining ring is provided with an anti-skid friction pattern 1, and the end surface corresponding to the limit retaining ring is provided with an anti-skid friction pattern 2. The provision of the anti-skid friction pattern 1 and the anti-skid friction pattern 2 increases the contact area between the sleeve body and the limit retaining ring, and at the same time increases the friction between the sleeve body and the limit retaining ring, thereby greatly improving the anti-slip effect of the nut assembly.

[0015] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0016] The utility model provides a nut sleeve and a step inside the nut sleeve, so that the nut sleeve is divided into a threaded fixing section and a sleeve section, an internal thread is provided on the inner wall of the threaded fixing end, and the internal thread is threadedly connected and fixed with the screw rod, and a nylon anti-slip ring is provided at the end of the sleeve section. The provision of the nylon anti-slip ring increases the contact area and friction force with the screw rod, thereby improving the anti-slip effect of the nut sleeve and avoiding the loosening of the nut.

[0017] In the utility model, a second step is provided in the center hole, and the second step separates the center hole into a connection section and an anti-slip section. The inner wall of the connection section is provided with a second internal thread, and the outer wall of the extension portion is provided with an external thread correspondingly. The second internal thread is matched with the external thread, and a second nylon anti-slip ring is provided in the anti-slip section. By providing the second internal thread on the inner wall of the connection section and the corresponding external thread on the outer wall of the extension portion, the threaded connection between the extension portion and the connection section is achieved. The second nylon anti-slip ring is provided in the anti-slip section, which increases the anti-slip effect of the nut assembly as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] Figure 1 This is a schematic structural diagram of an anti-slip nut assembly according to Embodiment 1 of the present utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the nut sleeve in the first embodiment of the utility model;

[0021] Figure 3 This is a schematic structural diagram of an anti-slip nut assembly according to Embodiment 2 of the present utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the nut sleeve in the second embodiment of the utility model;

[0023] Figure 5 It is a schematic diagram of the structure of the sleeve in the second embodiment of the present utility model.

[0024] In the figure, 1-nut sleeve; 2-axial hole; 3-step one; 4-thread fixing section; 5-sleeving section; 6-internal thread one; 7-nylon anti-slip ring one; 8-limit retaining ring; 9-limit retaining ring; 10-extension part; 11-expansion; 12-hexagonal nut anti-slip sleeve; 13-sleeve body; 14-nylon anti-slip ring two; 15-center hole; 16-step two; 17-connecting section; 18-anti-slip section; 19-internal thread two; 20-external thread; 21-anti-slip friction pattern one; 22-anti-slip friction pattern two. DETAILED DESCRIPTION

[0025] like Figure 1 and Figure 2The utility model is shown as the first embodiment of the utility model, an anti-slip nut assembly, including a nut sleeve 1, a shaft hole 2 is provided at the center of the nut sleeve 1, a step 3 is provided in the shaft hole 2, the step 3 separates the shaft hole 2 into a threaded fixing section 4 and a sleeve section 5, an inner thread 6 is provided on the inner wall of the threaded fixing section 4, and a nylon anti-slip ring 7 is provided at one end of the sleeve section 5 away from the threaded fixing section 4 corresponding to the step 3. The utility model provides a nut sleeve 1, and provides a step 3 in the nut sleeve 1, so that the nut sleeve 1 is separated into a threaded fixing section 4 and a sleeve section 5, an inner thread 6 is provided on the inner wall of the threaded fixing end, and the threaded connection and fixation with the screw rod is performed through the inner thread 6, and a nylon anti-slip ring 7 is provided at the end of the sleeve section 5, and the provision of the nylon anti-slip ring 7 increases the contact area and friction with the screw rod, thereby improving the anti-slip effect of the nut sleeve 1 and preventing the nut from loosening.

[0026] A limit ring 8 is provided at one end of the nut sleeve 1. A limit ring 9 is provided at the other end of the nut sleeve 1. The limit ring 8 is located at the edge of the shaft hole 2 and protrudes upward to form an extension 10, and the nylon anti-slip ring 7 is located in the extension 10. The setting of the extension 10 facilitates the installation of the nylon anti-slip ring 7.

[0027] The end of the threaded fixing section 4 away from the sleeve section 5 is provided with a flared opening 11. The setting of the flared opening 11 plays a guiding role in the connection between the screw rod and the nut sleeve 1, thereby facilitating the connection between the nut sleeve 1 and the screw rod.

[0028] like Figures 3 to 5 The second embodiment of the utility model is shown, which is an anti-slip nut assembly, including a nut sleeve 1, a shaft hole 2 is provided at the center of the nut sleeve 1, a step 3 is provided in the shaft hole 2, the step 3 separates the shaft hole 2 into a threaded fixing section 4 and a sleeve section 5, the inner wall of the threaded fixing section 4 is provided with an internal thread 6, and the end of the sleeve section 5 away from the threaded fixing section 4 is provided with a nylon anti-slip ring 7 corresponding to the step 3. The utility model provides a nut sleeve 1, and provides a step 3 in the nut sleeve 1, so that the nut sleeve 1 is separated into a threaded fixing section 4 and a sleeve section 5, the inner wall of the threaded fixing end is provided with an internal thread 6, and the internal thread 6 is threadedly connected and fixed with the screw rod, and a nylon anti-slip ring 7 is provided at the end of the sleeve section 5, and the provision of the nylon anti-slip ring 7 increases the contact area and friction with the screw rod, thereby improving the anti-slip effect of the nut sleeve 1 and preventing the nut from loosening.

[0029] A limit ring 8 is provided at one end of the nut sleeve 1. A limit ring 9 is provided at the other end of the nut sleeve 1. The limit ring 8 is located at the edge of the shaft hole 2 and protrudes upward to form an extension 10, and the nylon anti-slip ring 7 is located in the extension 10. The setting of the extension 10 facilitates the installation of the nylon anti-slip ring 7.

[0030] The end of the threaded fixing section 4 away from the sleeve section 5 is provided with a flared opening 11. The setting of the flared opening 11 plays a guiding role in the connection between the screw rod and the nut sleeve 1, thereby facilitating the connection between the nut sleeve 1 and the screw rod.

[0031] It also includes a hexagonal nut anti-dropout sleeve 12, which is connected to the end of the sleeve section 5. The hexagonal nut anti-dropout sleeve 12 is connected to the nut sleeve 1, which increases the contact area between the nut assembly and the screw, thereby improving the connection strength between the nut assembly and the screw, and improving the anti-dropout effect of the nut assembly.

[0032] The hexagonal nut anti-slip sleeve comprises a sleeve body 13 and a nylon anti-slip ring 14. The center of the sleeve body 13 matches the shaft hole 2 and is provided with a center hole 15. The nylon anti-slip ring 14 is arranged at one end of the center hole 15 away from the nut sleeve 1. The center hole 15 matches the shaft hole 2, and the nylon anti-slip ring 14 increases the anti-slip effect of the sleeve body 13.

[0033] A second step 16 is provided in the center hole 15, and the second step 16 separates the center hole 15 into a connecting section 17 and an anti-slipping section 18. The inner wall of the connecting section 17 is provided with a second internal thread 19, and the outer wall of the extension portion 10 is correspondingly provided with an external thread 20, and the second internal thread 19 is matched with the external thread 20, and the second nylon anti-slipping ring 14 is provided in the anti-slipping section 18. By providing the second internal thread 19 on the inner wall of the connecting section 17 and correspondingly providing the external thread on the outer wall of the extension portion 10, the threaded connection between the extension portion 10 and the connecting section 17 is realized, and the second nylon anti-slipping ring 14 is provided in the anti-slipping section 18, which increases the anti-slipping effect of the nut assembly as a whole.

[0034] The end surface of the sleeve body 13 close to the limit retaining ring 9 is provided with an anti-skid friction pattern 1 21, and the end surface corresponding to the limit retaining ring 9 is provided with an anti-skid friction pattern 2 22. The provision of the anti-skid friction pattern 1 21 and the anti-skid friction pattern 2 22 increases the contact area between the sleeve body 13 and the limit retaining ring 9, and at the same time increases the friction between the sleeve body 13 and the limit retaining ring 9, thereby greatly improving the anti-slip effect of the nut assembly.

[0035] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the utility model.

Claims

1. Anti-drop nut assembly, characterized in that: It includes a nut sleeve, the center of which is provided with an axial hole, a step is provided in the axial hole, the step separates the axial hole to form a threaded fixing section and a sleeve section, the inner wall of the threaded fixing section is provided with an internal thread, and the end of the sleeve section away from the threaded fixing section is provided with a nylon anti-slip ring corresponding to the step.

2. The anti-dropout nut assembly according to claim 1, characterized in that: One end of the nut sleeve is provided with a limit retaining ring.

3. The anti-slip nut assembly according to claim 2, characterized in that: The other end of the nut sleeve is provided with a limit stop ring.

4. The anti-stripping nut assembly according to claim 3, characterized in that: The edge of the limit stop ring located at the shaft hole protrudes upward to form an extension portion, and the nylon anti-slip ring is located in the extension portion.

5. The anti-dropout nut assembly according to claim 1, characterized in that: The end of the thread fixing section away from the sleeve section is provided with a flared opening.

6. The anti-dropout nut assembly according to claim 4, characterized in that: It also includes a hexagonal nut anti-dropping sleeve, which is connected to the end of the sleeve section.

7. The anti-dropout nut assembly according to claim 6, characterized in that: The hexagonal nut anti-slip sleeve comprises a sleeve body and a second nylon anti-slip ring. The central matching shaft hole of the sleeve body is provided with a center hole, and the second nylon anti-slip ring is arranged at one end of the center hole away from the nut sleeve.

8. The anti-dropout nut assembly according to claim 7, characterized in that: A second step is provided in the center hole, and the second step separates the center hole into a connecting section and an anti-slip section. The inner wall of the connecting section is provided with two internal threads, and the outer wall of the extension part is correspondingly provided with external threads. The second internal thread is matched with the external thread, and the second nylon anti-slip ring is provided in the anti-slip section.

9. The anti-dropout nut assembly according to claim 7, characterized in that: The end surface of the sleeve body close to the limit stop ring is provided with a first anti-skid friction pattern, and the end surface corresponding to the limit stop ring is provided with a second anti-skid friction pattern.

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