Reinforced mechanical matching fastener

By setting limiting and fixing components on bolts and nuts, the problem of fastener loosening caused by mechanical vibration is solved, a stable connection of bolts and nuts is achieved, and the stability of mechanical parts is improved.

CN223459699UActive Publication Date: 2025-10-21SUZHOU RUNQIANG PRECISION MACHINERY CO LTD
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Patent Information

Application Number
CN202423162571.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-10-21
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing reinforced mechanical fasteners are prone to loosening under mechanical vibration, leading to unstable assembly of parts.

Method used

By using bolts and nuts, and by setting limit components and fixing components, including pillars, support rods, positioning holes and springs, a stable connection of bolts and nuts is achieved, preventing loosening.

Benefits of technology

It effectively prevents bolts and nuts from loosening under mechanical vibration, maintains the tightness of fasteners, and improves the stability of mechanical parts.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223459699U_ABST
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Abstract

The utility model discloses a reinforced mechanical matching fastener, which belongs to the field of fasteners and comprises a bolt and a nut arranged on the side wall of the bolt, the bolt consists of a head and a screw arranged at the top end of the head, and a first mounting plate is fixedly sleeved on the side wall of the nut. A plurality of first positioning holes distributed in an annular array are formed in the surface of the first mounting disc, the side wall of the head of the bolt is rotationally sleeved with a second mounting disc, second positioning holes are formed in the surface of the second mounting disc, and a limiting assembly is arranged between the first mounting disc and the second mounting disc. The limiting assembly is arranged between the bolt and the nut, so that the effect of limiting and fixing the bolt and the nut is achieved, the phenomenon that the bolt and the nut are loosened due to the fact that a machine is in a vibration state for a long time in the using process is avoided, and the tightness between the bolt and the nut is kept.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the fastener field more specifically, relate to a kind of reinforced mechanical matching fastener. BACKGROUND

[0002] Fastener is a kind of mechanical parts widely used for fastening connection, such as bolt and nut, fastener is widely used in various industries, including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, mould, hydraulic and other industries, in various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments and articles, etc., all kinds of fasteners can be seen, it is the most widely used mechanical basic piece, its characteristics are variety and specification, performance and purpose are different, and the degree of standardization, serialization and generalization is also very high.

[0003] Some reinforced mechanical matching fasteners, such as bolts and nuts, can assemble and fix mechanical parts by cooperation of bolts and nuts, but some mechanical use may produce vibration, and long-time use of mechanical may cause loosening of bolts and nuts, thereby reducing the stability of assembly of some parts of mechanical, therefore, we propose a kind of reinforced mechanical matching fastener. CONTENT OF UTILITY MODEL

[0004] In order to solve the above problems, the utility model provides a kind of reinforced mechanical matching fastener, adopt following technical scheme:

[0005] A kind of reinforced mechanical matching fastener, including bolt and nut arranged on the side wall of bolt, the bolt is composed of head and screw rod arranged on the top end of head, the nut side wall is fixedly sleeved with first installation disc, the first installation disc surface is provided with a plurality of first positioning holes distributed in annular array, the head side wall of the bolt is rotatably sleeved with second installation disc, the second installation disc surface is provided with second positioning hole, the first installation disc and second installation disc are equipped with limiting assembly between, the second installation disc is internally provided with movable slot, and the second installation disc and the head of bolt are equipped with fixed assembly.

[0006] By adopting the technical scheme, when the device is used, the existing mechanical equipment is fixed through the cooperation of the bolt and the nut, when the bolt and the nut are screwed, the staff rotates the second mounting disc, so that the second positioning hole formed in the top end of the second mounting disc is aligned with one of the first positioning holes formed in the top end of the first mounting disc, and then the second mounting disc is fixed through the fixing assembly, which is beneficial to maintaining the stability of the second mounting disc, and then the staff fixes the bolt and the nut through the cooperation of the limiting assembly and the first positioning hole and the second positioning hole, which helps to avoid the loosening of the bolt and the nut in the process of use due to the long-time vibration of the mechanical equipment, and is beneficial to maintaining the tightness between the bolt and the nut.

[0007] Further, the limiting assembly comprises a support column arranged between the first mounting disc and the second mounting disc, a receiving groove is formed in the top end of the support column, a support rod is slidingly installed in the receiving groove, a second spring is fixedly connected between the bottom end of the support rod and the inner wall of the bottom end of the receiving groove, a first supporting plate is fixedly installed on the support rod near the bolt, a first positioning rod matched with the first positioning hole is fixedly installed at the bottom end of the first supporting plate, a second supporting plate is fixedly installed on the support column near the bolt, and a second positioning rod matched with the second positioning hole is fixedly installed at the top end of the second supporting plate.

[0008] By adopting the technical scheme, when the bolt and the nut are screwed, the staff pulls the support rod, so that the support rod slides in the receiving groove and pulls the second spring, thereby adjusting the distance between the first supporting plate and the second supporting plate, so that the first positioning rod and the second positioning rod are located on opposite sides of the first mounting disc and the second mounting disc respectively, then the staff aligns and engages the first positioning rod with the first positioning hole and the second positioning rod with the second positioning hole, and then the first positioning rod and the second positioning rod are stably engaged with the first positioning hole and the second positioning hole respectively under the pulling action of the second spring, so that the first positioning rod, the support rod, the support column and the second positioning rod can limit and fix the bolt and the nut, which helps to avoid the loosening of the bolt and the nut in the process of use due to the long-time vibration of the mechanical equipment, and is beneficial to maintaining the tightness between the bolt and the nut.

[0009] Further, the bottom end of the support rod is fixedly installed with limiting blocks on both sides, and limiting grooves matched with the limiting blocks on the same side are formed in the inner wall of the receiving groove.

[0010] By adopting the technical scheme, when the support rod slides in the receiving groove, the support rod slides in the limiting groove with the limiting blocks on the same side, and through the cooperation of the limiting blocks and the limiting grooves, the support rod can be prevented from separating from the receiving groove, and the stability of the sliding of the support rod can be maintained.

[0011] Further, the fixing assembly comprises a fixing rod slidingly installed in the movable slot, a baffle is fixedly sleeved on the side wall of the fixing rod close to one end of the bolt, a first spring is sleeved on the side wall of the fixing rod, and both ends of the fixing rod slidingly penetrate through the movable slot.

[0012] By adopting the above technical scheme, when the second mounting disc needs to be rotated, the staff pulls the fixing rod in the movable slot to slide through the handle, the fixing rod slides synchronously with the baffle, the baffle extrudes the first spring to contract, and then the fixing rod close to one end of the bolt moves into the movable slot, and then the second mounting disc can be rotated, so that the second positioning hole is aligned with one of the first positioning holes, then the staff releases the handle, the baffle pushes the fixing rod to move towards the bolt under the elastic force of the first spring, and the end of the fixing rod is clamped in one of the fixing grooves formed in the head side wall of the bolt, so as to fix the second mounting disc, which is beneficial to maintaining the stability of the second mounting disc in use, and then facilitates the subsequent installation of the limiting assembly.

[0013] Further, the baffle is fixedly installed with sliding blocks on both sides, and the inner wall of the movable slot is formed with sliding grooves matched with the sliding blocks on the same side.

[0014] By adopting the above technical scheme, when the baffle slides in the movable slot, the baffle slides in the sliding groove on the same side with the sliding block, and through the cooperation of the sliding block and the sliding groove, the stability of the baffle sliding is maintained, and then the stability of the fixing rod moving is maintained.

[0015] Further, a rotating ring is fixedly installed on the inner side of the second mounting disc, and the head side wall of the bolt is formed with an annular groove matched with the rotating ring.

[0016] By adopting the above technical scheme, when the second mounting disc is rotated, the second mounting disc rotates in the annular groove with the rotating ring, and through the cooperation of the rotating ring and the annular groove, the stability of the second mounting disc rotating is maintained.

[0017] In summary, the utility model has the following beneficial technical effects:

[0018] (1) In the utility model, the limiting assembly is arranged between the bolt and the nut, which limits the fixed bolt and the nut, helps to avoid the loosening phenomenon of the bolt and the nut in the use process due to the long-time vibration of the machine, and is beneficial to maintaining the tightness between the bolt and the nut.

[0019] (2) In the utility model, the second mounting disc is rotatably installed on the head side wall of the bolt, which is convenient for the staff to adjust the alignment of the second positioning hole and one of the first positioning holes, and is convenient for subsequent installation of the limiting assembly, and through the setting of the fixing assembly, the function of fixing the second mounting disc is achieved, which is beneficial to maintaining the limiting effect of the equipment, and the number and array distance of the fixing grooves and the first positioning holes are the same, which is convenient for the accurate fixing of the second mounting disc by the fixing rod after the alignment of the first positioning hole and the second positioning hole. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of the utility model;

[0021] Figure 2 It is a sectional view of the utility model;

[0022] Figure 3 It is the utility model Figure 2 A enlarged view of the utility model;

[0023] Figure 4 It is the utility model Figure 2 A enlarged view of the utility model;

[0024] Figure 5 It is an expanded view of the bolt and the second mounting disc in the utility model.

[0025] Explanation of reference numerals in the drawing:

[0026] 1, bolt; 2, nut; 3, first mounting disc; 4, first positioning hole; 5, second mounting disc; 6, second supporting plate; 7, second positioning rod; 8, supporting column; 9, second positioning hole; 10, supporting rod; 11, first positioning rod; 12, first supporting plate; 13, fixing rod; 14, first spring; 15, baffle; 16, movable groove; 17, storage groove; 18, second spring; 19, rotating ring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described 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, rather than all the embodiments; Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate with a particular orientation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the term "installation", "set with", "sleeve set / interface", "connection" and so on, should be broad understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] The following will be combined with the drawings Figures 1-5 The utility model is further described in detail.

[0031] Please refer to Figures 1-5 A reinforced mechanical matching fastener, including bolt 1 and nut 2 set up in the side wall of bolt 1, bolt 1 is composed of head and screw rod set up in the top end of head, the side wall of nut 2 is fixedly sleeved with first mounting disc 3, a plurality of first positioning hole 4 that are annular array distribution are set up on the surface of first mounting disc 3, the side wall of the head of bolt 1 is rotatably sleeved with second mounting disc 5, second mounting disc 5 surface is set up with second positioning hole 9, second mounting disc 5 inside is set up with movable slot 16, second mounting disc 5 inboard is fixedly installed with rotating ring 19, the side wall of the head of bolt 1 is set up with the annular groove that is matched with rotating ring 19.

[0032] Second mounting disc 5 and the head between bolt 1 are equipped with fixed component, fixed component includes fixed rod 13 slidingly installed in movable slot 16, fixed rod 13 is fixedly sleeved with baffle 15 near one end side wall of bolt 1, first spring 14 is sleeved with the side wall of fixed rod 13, both ends of fixed rod 13 are slidingly penetrated movable slot 16, the side wall of the head of bolt 1 is set up with a plurality of fixed slot that are annular array distribution and are matched with fixed rod 13, and the end away from bolt 1 of fixed rod 13 is equipped with handle.

[0033] When the device is used, the prior art machine is fixed through the cooperation of the bolt 1 and the nut 2. When the bolt 1 and the nut 2 are screwed, the worker pulls the fixing rod 13 in the movable groove 16 to slide, the fixing rod 13 synchronously slides with the baffle 15, the baffle 15 extrudes the first spring 14 to contract, and then the fixing rod 13 moves to the movable groove 16 close to the one end of the bolt 1. Subsequently, the worker rotates the second mounting disc 5, so that the second positioning hole 9 formed in the top end of the second mounting disc 5 is aligned with one of the first positioning holes 4 formed in the top end of the first mounting disc 3. When the second mounting disc 5 is rotated, the second mounting disc 5 rotates with the rotating ring 19 in the annular groove. Through the cooperation of the rotating ring 19 and the annular groove, the stability of the rotation of the second mounting disc 5 is facilitated.

[0034] When the second positioning hole 9 is aligned with one of the first positioning holes 4, the worker releases the handle, the baffle 15 pushes the fixing rod 13 to move to the direction of the bolt 1 under the elastic force of the first spring 14, and the end of the fixing rod 13 is clamped with one of the fixing grooves formed in the sidewall of the head of the bolt 1, so as to fix the second mounting disc 5, and the stability of the use of the second mounting disc 5 is facilitated.

[0035] The baffle 15 is fixedly installed with a sliding block on both sides, and the inner wall of the movable groove 16 is formed with a sliding groove matched with the sliding block on the same side. When the baffle 15 slides in the movable groove 16, the baffle 15 slides with the sliding block in the sliding groove on the same side. Through the cooperation of the sliding block and the sliding groove, the stability of the sliding of the baffle 15 is facilitated, and then the stability of the movement of the fixing rod 13 is facilitated.

[0036] A limiting assembly is arranged between the first mounting disc 3 and the second mounting disc 5. The limiting assembly comprises a support column 8 arranged between the first mounting disc 3 and the second mounting disc 5. The top end of the support column 8 is formed with a receiving groove 17. A support rod 10 is slidably installed in the receiving groove 17. The second spring 18 is fixedly connected between the bottom end of the support rod 10 and the inner wall of the bottom end of the receiving groove 17. The first support plate 12 is fixedly installed on the upper segment of the support rod 10 close to one side of the bolt 1. The first positioning rod 11 matched with the first positioning hole 4 is fixedly installed at the bottom end of the first support plate 12. The second support plate 6 is fixedly installed on the lower segment of the support column 8 close to one side of the bolt 1. The second positioning rod 7 matched with the second positioning hole 9 is fixedly installed at the top end of the second support plate 6.

[0037] When the bolt 1 and the nut 2 are screwed, and the second positioning hole 9 is aligned with one of the first positioning holes 4, the worker pulls the supporting rod 10, so that the supporting rod 10 is located in the receiving groove 17 and slides, and the supporting rod 10 pulls the second spring 18, so that the distance between the first supporting plate 12 and the second supporting plate 6 is adjusted, and the first positioning rod 11 and the second positioning rod 7 are located on opposite sides of the first mounting disc 3 and the second mounting disc 5 respectively, then the worker aligns and clamps the first positioning rod 11 with the first positioning hole 4 and aligns and clamps the second positioning rod 7 with the second positioning hole 9, and then the supporting rod 10 and the supporting column 8 are pulled by the second spring 18, so that the first positioning rod 11 and the second positioning rod 7 are stably clamped with the first positioning hole 4 and the second positioning hole 9 respectively, and through the cooperation of the first positioning rod 11, the supporting rod 10, the supporting column 8 and the second positioning rod 7, the bolt 1 and the nut 2 can be limited and fixed, which helps to avoid loosening of the bolt 1 and the nut 2 in the process of use due to long-time vibration of the machine, and is beneficial to maintaining the tightness between the bolt 1 and the nut 2.

[0038] The limiting blocks are fixedly installed at both sides of the bottom end of the supporting rod 10, and the limiting grooves matched with the limiting blocks on the same side are formed in the inner wall of the receiving groove 17, when the supporting rod 10 slides in the receiving groove 17, the supporting rod 10 slides in the limiting groove on the same side with the limiting block, and through the cooperation of the limiting block and the limiting groove, the supporting rod 10 can be prevented from separating from the receiving groove 17, and the stability of the sliding of the supporting rod 10 is maintained.

[0039] The implementation principle of the embodiment of the utility model is that: when the equipment is used, the existing mechanical equipment is fixed through the cooperation of the bolt 1 and the nut 2, when the bolt 1 and the nut 2 are screwed, the worker rotates the second mounting disc 5, so that the second positioning hole 9 formed in the top end of the second mounting disc 5 is aligned with one of the first positioning holes 4 formed in the top end of the first mounting disc 3, then the second mounting disc 5 is fixed through the fixing assembly, so that the stability of the second mounting disc 5 is maintained, then the worker fixes the bolt 1 and the nut 2 through the cooperation of the limiting assembly and the first positioning hole 4 and the second positioning hole 9, which helps to avoid loosening of the bolt 1 and the nut 2 in the process of use due to long-time vibration of the machine, and is beneficial to maintaining the tightness between the bolt 1 and the nut 2.

[0040] The above are preferable embodiments of the utility model, which do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A reinforced mechanical fastener kit comprising a bolt (1) and a nut (2) provided on the side wall of the bolt (1), characterized in that: The bolt (1) is composed of a head and a screw rod arranged at the top end of the head, the side wall of the nut (2) is fixedly sleeved with a first mounting disc (3), a plurality of first positioning holes (4) are arranged in an annular array on the surface of the first mounting disc (3), the side wall of the head of the bolt (1) is rotatably sleeved with a second mounting disc (5), a second positioning hole (9) is arranged on the surface of the second mounting disc (5), a limiting assembly is arranged between the first mounting disc (3) and the second mounting disc (5), an active groove (16) is arranged in the second mounting disc (5), and a fixing assembly is arranged between the second mounting disc (5) and the head of the bolt (1).

2. A reinforced mechanical fastener kit according to claim 1, wherein: The limiting assembly comprises a support (8) arranged between the first mounting disc (3) and the second mounting disc (5), a receiving groove (17) is arranged at the top end of the support (8), a supporting rod (10) is slidably arranged in the receiving groove (17), a second spring (18) is fixedly connected between the bottom end of the supporting rod (10) and the inner wall of the bottom end of the receiving groove (17), a first supporting plate (12) is fixedly arranged on the upper side of the supporting rod (10) close to the bolt (1), a first positioning rod (11) matched with the first positioning hole (4) is fixedly arranged at the bottom end of the first supporting plate (12), a second supporting plate (6) is fixedly arranged on the lower side of the support (8) close to the bolt (1), and a second positioning rod (7) matched with the second positioning hole (9) is fixedly arranged at the top end of the second supporting plate (6).

3. A reinforced mechanical fastener kit according to claim 2, wherein: Limiting blocks are fixedly arranged on both sides of the bottom end of the supporting rod (10), and limiting grooves matched with the limiting blocks on the same side are arranged on the inner wall of the receiving groove (17).

4. The reinforced mechanical fastener assembly of claim 1, wherein: The fixing assembly comprises a fixing rod (13) slidably arranged in the active groove (16), a baffle (15) is fixedly sleeved on the side wall of one end of the fixing rod (13) close to the bolt (1), a first spring (14) is sleeved on the side wall of the fixing rod (13), the fixing rod (13) slidably penetrates through the active groove (16) at both ends, a plurality of fixing grooves matched with the fixing rod (13) are arranged in an annular array on the side wall of the head of the bolt (1), and a handle is arranged at the end of the fixing rod (13) away from the bolt (1).

5. A reinforced mechanical fastener assembly according to claim 4, wherein: The baffle (15) is fixedly arranged with a sliding block on both sides, and a sliding groove matched with the sliding block on the same side is arranged on the inner wall of the active groove (16).

6. A reinforced mechanical fastener kit according to claim 1, wherein: A rotating ring (19) is fixedly arranged on the inner side of the second mounting disc (5), and an annular groove matched with the rotating ring (19) is arranged on the side wall of the head of the bolt (1).