Anti-tripping spring nut
By designing a concave throttle in the anti-disengagement spring nut to drive the bidirectional lead screw, the spring can be easily replaced, solving the problem of inconvenient spring replacement in the existing technology and improving the safety and vibration resistance of the nut.
Patent Information
- Application Number
- CN202520738898.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-18
AI Technical Summary
The springs in existing anti-disengagement spring nuts are not easy to replace, and their elasticity deteriorates after prolonged use, affecting safety.
An anti-disengagement spring nut was designed. The concave throttle drives the bidirectional lead screw to rotate. When the bidirectional lead screw reverses, the nut moves outward and causes the insert plate to disengage from the slot, making it easy to disassemble the connecting plate and replace the double helical spring. The nested structure and rubber ring enhance the vibration resistance and anti-disengagement performance.
It enables convenient spring replacement, improves the safety and vibration resistance of the nut, and extends its service life.
Smart Images

Figure CN223854642U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to spring nut technical field more specifically, relate to the anti-tripping spring nut. BACKGROUND
[0002] Spring nut is mainly used for connection, such as for photovoltaic support connection, decoration ceiling joist support connection and community pipeline hoisting support connection.
[0003] The prior art discloses some anti-tripping spring nut patent files, and the Chinese patent with the application number CN201720666643.9 discloses an anti-tripping spring nut, which comprises a spring nut main body with a U-shaped section formed by a upper clamping piece, a connecting arm and a lower clamping piece connected in a head-tail manner, a guide piece downwardly inclined is arranged at the tail end of the lower clamping piece, upper and lower bolt holes are respectively formed in the upper and lower clamping pieces, a spring ring is arranged below the upper clamping piece, one end of the spring ring is connected to the upper clamping piece, and the other end extends to the inside of the U-shaped spring nut main body, a threaded ring matched with a firm screw is arranged below the lower clamping piece, and the threaded ring is connected to the lower clamping piece through a hollow inverted cone-shaped guide table. The utility model has the advantages of convenient and fast structure installation, accurate positioning, wider clamping range of the clamping part, adaptability to different thicknesses and improved application range. The threaded ring inner wall of the spring nut is provided with a threaded ring structure, and when the threaded ring structure is matched with a self-tapping screw to fix a part, the spring nut and the self-tapping screw are rarely disconnected.
[0004] In the above patent, the spring is inconvenient to replace, and the elasticity of the spring will deteriorate after long-term use, thereby affecting the safety of the spring nut. Therefore, we propose an anti-tripping spring nut. UTILITY MODEL CONTENTS
[0005] In view of the problems in the prior art, the utility model aims to provide an anti-tripping spring nut. The utility model drives the bidirectional screw rod to rotate through the rotation of the concave rotating handle, when the bidirectional screw rod reverses, the two nuts move outward at the same time, the movement of the nut drives the insertion plate to move, the two insertion plates move outward to make them separate from the insertion slot, at this time, the connecting plate can be disassembled from the bottom of the nut main body, so that the double helical spring can be replaced conveniently, thereby optimizing the safety of the nut main body.
[0006] To solve the above problems, the utility model adopts the following technical scheme:
[0007] The anti-tripping spring nut comprises:
[0008] A nut main body;
[0009] A containing groove is arranged in the nut main body;
[0010] The connecting plate is movably inserted into the bottom of the nut body, both sides of the connecting plate are provided with insertion slots, the bottom of the connecting plate is fixedly connected with double helical springs, and the bottom of the double helical springs is fixedly connected with an arch bridge-shaped spring sheet.
[0011] The mounting mechanism is arranged in the accommodating groove and is connected with the two insertion slots.
[0012] As a preferred scheme of the utility model, the mounting mechanism comprises a moving assembly and a mounting assembly, both of which are arranged in the accommodating groove and are connected with each other.
[0013] As a preferred scheme of the utility model, the mounting assembly comprises two insertion plates and positioning springs, both of the two insertion plates are slidably connected in the accommodating groove and are movably inserted into the two insertion slots, and the positioning springs are arranged in multiple numbers and are fixedly connected between the two insertion plates and the accommodating groove.
[0014] As a preferred scheme of the utility model, the moving assembly comprises a bidirectional screw rod, screw nuts and a concave handle, the bidirectional screw rod is rotatably connected in the accommodating groove, the screw nuts are arranged in two numbers and are fixedly connected to the side ends of the two insertion plates, both of the screw nuts are threadedly connected with the bidirectional screw rod, and the concave handle is fixedly connected to the side end of the screw nut and movably penetrates the nut body.
[0015] As a preferred scheme of the utility model, the accommodating groove is fixedly connected with a guide rod, and the guide rod is slidably matched with the two insertion plates.
[0016] As a preferred scheme of the utility model, both sides of the arch bridge-shaped spring sheet are fixedly connected with connecting pieces.
[0017] As a preferred scheme of the utility model, the bottom of the nut body is fixedly connected with a mounting cylinder, the mounting cylinder is movably inserted with a rubber ring, a ring groove is formed in the connecting plate, and the mounting cylinder and the rubber ring are clamped.
[0018] Compared with the prior art, the utility model has the advantages that:
[0019] (1), when the double helical springs need to be replaced, the convex insertion rod is inserted into the concave handle, then the concave handle is rotated, the bidirectional screw rod is driven to rotate through the rotation of the concave handle, when the bidirectional screw rod is reversed, the two screw nuts are simultaneously moved to the outside, the insertion plates are moved through the movement of the screw nuts, the two insertion plates are moved to the outside so as to be separated from the insertion slots, at this time, the connecting plate can be disassembled from the bottom of the nut body, thereby facilitating the replacement of the double helical springs.
[0020] (2), in this scheme, adopt double helix spring and nut body nest structure, distribute load evenly through arch bridge spring sheet, improve the anti-vibration performance; embed rubber ring in the nut body, generate continuous friction force by the nut body extruding the rubber ring, long-term anti-backout. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is front view of the utility model;
[0022] Figure 2 It is first sectional view of the utility model;
[0023] Figure 3 It is second sectional view of the utility model;
[0024] Figure 4 It is overall explosion drawing of the utility model;
[0025] Figure 5 It is installation mechanism explosion drawing of the utility model.
[0026] Mark explanation in drawing:
[0027] 1, nut body;2, installation cylinder;3, rubber ring;4, containing groove;5, connecting plate;6, ring groove;7, insertion slot;8, double helix spring;9, arch bridge spring sheet;10, connecting piece;11, bidirectional screw;12, nut;13, concave handle;14, insertion plate;15, positioning spring;16, guide rod. DETAILED DESCRIPTION
[0028] The technical schemes in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0029] Please refer to Figures 1-5 Anti-backout spring nut, comprising:
[0030] Nut body 1;
[0031] Containing groove 4, containing groove 4 is set up in nut body 1;
[0032] Connecting plate 5, connecting plate 5 is movably inserted in the bottom of nut body 1, the left and right sides of connecting plate 5 are both provided with insertion slot 7, the bottom of connecting plate 5 is fixedly connected with double helix spring 8, the bottom of double helix spring 8 is fixedly connected with arch bridge spring sheet 9;
[0033] The mounting mechanism is arranged in the accommodating groove 4 and connected with the two insertion grooves 7.
[0034] In the embodiment, the accommodating groove 4 is provided for accommodating the mounting mechanism, the connecting plate 5 is provided for fixing the double helical spring 8, the double helical spring 8 is provided for fixing the arch bridge-shaped spring sheet 9, and the mounting mechanism is provided for mounting the nut body 1 and the connecting plate 5. The concave handle 13 is rotated to drive the bidirectional screw rod 11 to rotate. When the bidirectional screw rod 11 is reversed, the two screw nuts 12 are simultaneously moved outward. The movement of the screw nuts 12 drives the insertion plates 14 to move. The two insertion plates 14 are moved outward to be separated from the insertion grooves 7. At this time, the connecting plate 5 can be disassembled from the bottom of the nut body 1, so that the double helical spring 8 is conveniently replaced, and the safety of the nut body 1 is optimized.
[0035] Specifically, the mounting mechanism comprises a moving assembly and a mounting assembly, both of which are arranged in the accommodating groove 4 and connected with each other.
[0036] In the embodiment, the mounting mechanism comprises a moving assembly and a mounting assembly, both of which are arranged in the accommodating groove 4 and connected with each other.
[0037] Specifically, the mounting assembly comprises two insertion plates 14 and a plurality of positioning springs 15. The two insertion plates 14 are both slidingly connected in the accommodating groove 4 and movably inserted in the two insertion grooves 7. The plurality of positioning springs 15 are fixedly connected between the two insertion plates 14 and the accommodating groove 4.
[0038] In the embodiment, the two insertion plates 14 are moved outward to be separated from the insertion grooves 7. At this time, the connecting plate 5 can be disassembled from the bottom of the nut body 1, so that the double helical spring 8 is conveniently replaced, and vice versa.
[0039] Specifically, the moving assembly comprises a bidirectional screw rod 11, two screw nuts 12 and a concave handle 13. The bidirectional screw rod 11 is rotatably connected in the accommodating groove 4. The two screw nuts 12 are fixedly connected to the side ends of the two insertion plates 14 and threadedly connected with the bidirectional screw rod 11. The concave handle 13 is fixedly connected to the side end of the screw nut 12 and movably penetrates the nut body 1.
[0040] In the embodiment, the concave handle 13 is rotated to drive the bidirectional screw rod 11 to rotate. When the bidirectional screw rod 11 is reversed, the two screw nuts 12 are simultaneously moved outward. The movement of the screw nuts 12 drives the insertion plates 14 to move.
[0041] Specifically, a guide rod 16 is fixedly connected in the accommodating groove 4 and slidingly matched with the two insertion plates 14.
[0042] In the embodiment, the guide rod 16 is used to facilitate the sliding cooperation with the two plug plates 14 and the stable movement of the plug plates 14.
[0043] Specifically, the left and right sides of the arch bridge-shaped spring plate 9 are fixedly connected with the connecting pieces 10.
[0044] In the embodiment, the connecting pieces 10 are used to facilitate the installation of the arch bridge-shaped spring plate 9 through the bolt connection.
[0045] Specifically, the bottom of the nut body 1 is fixedly connected with the mounting cylinder 2, the rubber ring 3 is movably inserted into the mounting cylinder 2, the connecting plate 5 is provided with the annular groove 6, and the mounting cylinder 2 and the rubber ring 3 are clamped.
[0046] In the embodiment, the mounting cylinder 2 is used to clamp the rubber ring 3, and the continuous friction force is generated by extruding the rubber ring 3 through the nut body 1, thereby preventing the nut from being loosened for a long time.
[0047] Working principle: when the double helical spring 8 needs to be replaced, the convex plug rod is inserted into the concave handle 13, then the concave handle 13 is rotated, the rotation of the concave handle 13 drives the bidirectional screw rod 11 to rotate, when the bidirectional screw rod 11 is reversed, the two nut sleeves 12 move outward at the same time, the movement of the nut sleeves 12 drives the plug plates 14 to move, the two plug plates 14 move outward so as to be separated from the plug slots 7, at this time, the connecting plate 5 can be disassembled from the bottom of the nut body 1, thereby facilitating the replacement of the double helical spring 8.
[0048] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the improvement concept of the utility model, which is equivalent to the replacement or change, should be covered in the protection scope of the utility model.
Claims
1. A trip spring nut characterized by, Include: Nut body (1); Accommodation groove (4), the accommodation groove (4) is opened in nut body (1); Connecting plate (5), the connecting plate (5) is movably inserted in the bottom of nut body (1), the left and right sides of the connecting plate (5) are both provided with insertion slot (7), the bottom of the connecting plate (5) is fixedly connected with double helical spring (8), the bottom of the double helical spring (8) is fixedly connected with arch bridge spring leaf (9); Mounting mechanism, the mounting mechanism is arranged in the accommodation groove (4), and the mounting mechanism is connected with two insertion slots (7).
2. The anti-tripping spring nut of claim 1, wherein: The mounting mechanism includes a moving assembly and an installation assembly, and the moving assembly and the installation assembly are both arranged in the accommodation groove (4), and the moving assembly and the installation assembly are connected.
3. The anti-tripping spring nut of claim 2, wherein: The installation assembly includes an insertion plate (14) and a positioning spring (15), the insertion plate (14) is provided with two, and the two insertion plates (14) are both slidably connected in the accommodation groove (4), and the two insertion plates (14) are movably inserted in the two insertion slots (7), the positioning spring (15) is provided with a plurality of, and the plurality of positioning springs (15) are respectively fixedly connected between the two insertion plates (14) and the accommodation groove (4).
4. The anti-tripping spring nut of claim 3, wherein: The moving assembly includes a bidirectional screw rod (11), a nut (12) and a concave knob (13), the bidirectional screw rod (11) is rotatably connected in the accommodation groove (4), the nut (12) is provided with two, and the two nuts (12) are respectively fixedly connected to the side end of the two insertion plates (14), and the two nuts (12) are both in threaded connection with the bidirectional screw rod (11), the concave knob (13) is fixedly connected to the side end of the nut (12), and the concave knob (13) movably penetrates the nut body (1).
5. The trip spring nut of claim 4 wherein: The accommodation groove (4) is fixedly connected with a guide rod (16), and the guide rod (16) is in sliding fit with the two insertion plates (14).
6. The anti-tripping spring nut of claim 5, wherein: The left and right sides of the arch bridge spring leaf (9) are both fixedly connected with a connecting piece (10).
7. The anti-tripping spring nut of claim 6, wherein: The bottom of the nut body (1) is fixedly connected with a mounting cylinder (2), the mounting cylinder (2) movably inserts a rubber ring (3), the connecting plate (5) is provided with a ring groove (6), and the mounting cylinder (2) and the rubber ring (3) are clamped.
Citation Information
Patent Citations
Spring nut is detained to anticreep
CN207333417U