Hardware fastener with anti-seismic and anti-loosening functions

Abstract

The utility model relates to the technical field of hardware fasteners, in particular to a hardware fastener with anti-seismic and anti-loosening functions. Comprising a lower fixing plate, a spiral spring is installed in the lower fixing plate, the front end of the spiral spring is connected with a limiting pin, a guide rod is welded to the side, close to the spiral spring, of the limiting pin, an upper fixing plate is installed above the lower fixing plate in an inserted mode, a limiting hole is formed in the outer side of the upper fixing plate, and a guide sliding groove is formed in the upper portion of the upper fixing plate; and a fixing buckle is installed above the guide sliding groove in a clamped mode, and a limiting bolt is installed above the upper fixing plate in an inserted mode. A spiral spring pushes a limiting pin to enter a limiting hole to complete splicing of the lower fixing plate and the upper fixing plate, a fixing buckle is pushed to slide along a guide sliding groove till the fixing buckle makes contact with a clamping groove in a limiting bolt, the position of the limiting bolt is limited, and by means of the mode, the hardware fastener can be effectively limited, and the use effect is good. It is guaranteed that the device works under the vibration condition, and the anti-loosening purpose is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hardware fastener technical field, concretely is a hardware fastener with anti -shock anti -loose function. BACKGROUND

[0002] Fastener is a kind of mechanical parts for fastening connection and is widely used, is the general term of a kind of mechanical parts when fastening two or more parts (or component) fastening connection becomes a whole, in industrial production and daily life, fastener can be loose or fall off when being subjected to vibration, impact or other external force, thereby affecting the normal operation and safety of equipment.

[0003] In order to solve the above problems, the patent with patent announcement number CN221942951U proposes a hardware fastener with anti-shock anti-loose function, which includes lower fastener, upper fastener and fixed plate, and the fixed plate has two, the inside of upper fastener is provided with support mechanism. When fastening by rotating fixed bolt, fixed bolt moves downward and drives extrusion ring to move downward, extrusion ring moves downward and extrusion to the inclined surface of support block, support block moves outward after being extruded, so that four support blocks move around, and the bottom of support block contacts with fixed plate, support block can extrude fixed plate, so as to improve the range of force on fixed plate, so that fastener is installed more closely, lower fastener and upper fastener cannot shake on fixed plate, and the effect of anti-shock anti-loose is achieved. Its main purpose is to increase the contact area to ensure the stability of fastening.

[0004] But the above-mentioned patent is limited by installation environment in use process, in the working environment of small installation environment, often cannot meet the installation demand, and the lower fastener is only subjected to the tension of fixed bolt, which is prone to looseness in actual use process, thereby affecting the applicability of the device. UTILITY MODEL CONTENT

[0005] In view of the above problems, the utility model aims to provide a hardware fastener with anti-shock anti-loose function, which solves the problem that in the working environment of small installation environment, often cannot meet the installation demand, and the lower fastener is only subjected to the tension of fixed bolt, which is prone to looseness in actual use process, thereby affecting the applicability of the device.

[0006] In order to achieve the above object, the utility model discloses the technical scheme that a hardware fastener with anti -shock anti -loosening function is adopted: a lower fixed plate is installed with spiral spring in the inside of lower fixed plate, and the front end of spiral spring is connected with limit pin, and the side of limit pin close to spiral spring is welded with guide rod, and the upper fixed plate of lower fixed plate is inserted and is installed, and the outside of upper fixed plate is equipped with limit hole, the upper fixed plate is equipped with guide sliding slot, and the upper fixed plate of upper fixed plate is inserted and is installed with limit bolt.

[0007] The utility model discloses the beneficial effect that: spiral spring pushes limit pin into the inside of limit hole and completes the splicing of lower fixed plate and upper fixed plate, pushes fixed buckle and slides along guide sliding slot to the contact of fixed buckle and the clamping groove on limit bolt, and the position of limit bolt is limited, and this kind of mode can effectively limit hardware fastener, guarantee the work of device under the vibration condition, and play the purpose of anti -loosening.

[0008] In order to facilitate the position limitation of limit pin to upper fixed plate:

[0009] As the further improvement of the above technical scheme: the sliding installation structure of limit pin and lower fixed plate is formed through spiral spring.

[0010] As the further improvement of the above technical scheme: limit hole is distributed on the outside of upper fixed plate at equal intervals.

[0011] The beneficial effect of the improvement is that: limit pin cooperates with the limit hole distributed at equal intervals to fix the connection of upper fixed plate and lower fixed plate, and then limit the position of upper fixed plate and lower fixed plate, guarantee the position of upper fixed plate and lower fixed plate when the device vibrates.

[0012] In order to facilitate the sliding of limit pin:

[0013] As the further improvement of the above technical scheme: the guide sleeve is welded in the inside of lower fixed plate close to guide rod.

[0014] The beneficial effect of the improvement is that: the guide sleeve can guide limit pin through guide rod, and then guarantee the accuracy of limit pin movement.

[0015] In order to facilitate the user to push fixed buckle:

[0016] As the further improvement of the above technical scheme: the bottom of fixed buckle adopts the inclined setting, and the inclined surface is provided with convex grain at equal intervals.

[0017] As the further improvement of the above technical scheme: the clamping groove is formed in the position close to fixed buckle of limit bolt.

[0018] As a further improvement of the above technical solution: the fixed buckle is in clamping connection with the limiting bolt.

[0019] The inclined arrangement and the convex lines can increase the friction between the fixed buckle and the user's hand, thereby facilitating the user to push the fixed buckle to cooperate with the clamping groove on the limiting bolt to limit the position of the limiting bolt, and the clamping connection can facilitate the reliability of the fixed buckle in limiting the position of the limiting bolt.

[0020] In order to ensure the fixing effect:

[0021] As a further improvement of the above technical solution: the fixed buckle is arranged symmetrically about the center line of the upper fixed plate.

[0022] The fixed buckle arranged symmetrically about the center line can limit both sides of the limiting bolt, thereby further ensuring the reliability of the position of the limiting bolt. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is an overall isometric exploded structure schematic diagram.

[0024] Figure 2 It is an overall isometric cross-sectional structure schematic diagram.

[0025] Figure 3 It is an overall front view structure schematic diagram.

[0026] Figure 4 It is an isometric enlarged structure schematic diagram of the limiting pin and the spiral spring.

[0027] Figure 5 It is Figure 3 It is an enlarged structure schematic diagram of the middle A.

[0028] In the figure: 1, lower fixed plate; 11, spiral spring; 12, limiting pin; 13, guide rod; 2, upper fixed plate; 21, limiting hole; 22, guide sliding groove; 23, fixed buckle; 3, limiting bolt. DETAILED DESCRIPTION

[0029] In order to make the skilled in the art better understand the technical scheme of the present application, the present application will be described in detail below in conjunction with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present application.

[0030] As Figures 1-5The utility model discloses a hardware fastener with anti -shock anti -loose function, including lower fixed plate 1, the inside mounting of lower fixed plate 1 has spiral spring 11, and the front end of spiral spring 11 is connected with limit pin 12, and the side welding of limit pin 12 is close to spiral spring 11 has guide rod 13, the upper side of lower fixed plate 1 is inserted and is installed with upper fixed plate 2, and the outside of upper fixed plate 2 is equipped with limit hole 21, the upper side of upper fixed plate 2 is equipped with guide slide groove 22, and the upper side of guide slide groove 22 is installed with fixed buckle 23, and the upper side of upper fixed plate 2 is inserted and is installed with limit bolt 3, and spiral spring 11 pushes limit pin 12 into the inside of limit hole 21 and completes the splicing of lower fixed plate 1 and upper fixed plate 2, and push fixed buckle 23 along guide slide groove 22 and slide to the contact of fixed buckle 23 and the clamping groove on limit bolt 3, and enter the position of limit bolt 3 and limit, and this kind of mode can effectively limit hardware fastener, guarantee the work of device under the condition of vibration, play the purpose of anti -loose, the sliding installation structure of limit pin 12 and lower fixed plate 1 is formed through spiral spring 11, limit hole 21 is distributed at the outside of upper fixed plate 2 at intervals, and limit pin 12 cooperates with the limit hole 21 of interval distribution and can fix the connection of upper fixed plate 2 and lower fixed plate 1, and then limit the position of upper fixed plate 2 and lower fixed plate 1, guarantee the position of upper fixed plate 2 and lower fixed plate 1 when the device vibrates, the inside welding of lower fixed plate 1 is close to the position of guide rod 13 has guide sleeve, and limit pin 12 can be guided through guide sleeve and then guarantee the accuracy when limit pin 12 moves, the bottom of fixed buckle 23 adopts the inclined setting, and the inclined surface is set with protruding line at intervals, the position of limit bolt 3 close to fixed buckle 23 is equipped with the clamping groove, and fixed buckle 23 and limit bolt 3 are clamped and are connected, and the inclined setting and protruding line can increase the friction between fixed buckle 23 and user's hand, and then facilitate user to push fixed buckle 23 and cooperate with the clamping groove on limit bolt 3 and limit the position of limit bolt 3, and clamped and connected can the reliability of fixed buckle 23 and limit bolt 3 is limited, fixed buckle 23 is set with two about the midline of symmetry of upper fixed plate 2, and the fixed buckle 23 of midline symmetry setting can limit the both sides of limit bolt 3, and further guarantee the reliability of limit bolt 3 position fixation.

[0031] The working principle of the utility model is as follows: when the device is used, the lower fixed plate 1 is inserted into the installation hole, then the upper fixed plate 2 is inserted above the lower fixed plate 1, the upper fixed plate 2 extrudes the limiting pin 12 to contract inwardly, the spiral spring 11 pushes the limiting pin 12 into the inside of the limiting hole 21 to complete the splicing of the lower fixed plate 1 and the upper fixed plate 2 after continuously pressing down, the limiting bolt 3 is screwed in after splicing is completed, the limiting bolt 3 is connected with the lower fixed plate 1, then the fixed buckle 23 is pushed to slide along the guide sliding groove 22 until the fixed buckle 23 contacts with the clamping groove on the limiting bolt 3, the position of the limiting bolt 3 is limited, the hardware fastener can be effectively limited in this way, the working of the device under the vibration condition is ensured, and the purpose of preventing loosening is achieved.

[0032] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] The principle and implementation mode of the utility model are described by applying specific examples in this document, and the above examples are only used to help understand the method of the utility model and its core idea. The above description is only the preferred implementation mode of the utility model, and it should be pointed out that due to the limited expression, there are infinite specific structures objectively, for ordinary technical personnel in the technical field, on the premise of not departing from the principle of the utility model, some improvements, decorations or changes can be made, or the above technical features can be combined in a proper way, these improvements, decorations, changes or combinations, or the utility model concept and technical scheme are directly applied to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A hardware fastener with anti-shock and anti-loosening function, comprising a lower fixed plate (1), characterized in that: The inside of the lower fixed plate (1) is mounted with a spiral spring (11), and the front end of the spiral spring (11) is connected with a limiting pin (12), the limiting pin (12) is welded with a guide rod (13) on the side close to the spiral spring (11), the upper side of the lower fixed plate (1) is insertedly mounted with an upper fixed plate (2), and the outer side of the upper fixed plate (2) is provided with a limiting hole (21), the upper side of the upper fixed plate (2) is provided with a guide sliding groove (22), and the upper side of the guide sliding groove (22) is clampedly mounted with a fixed buckle (23), and the upper side of the upper fixed plate (2) is insertedly mounted with a limiting bolt (3).

2. The hardware fastener with anti-vibration and anti-loosening function according to claim 1, characterized in that: The limiting pin (12) and the lower fixed plate (1) are slidably mounted through the spiral spring (11).

3. The hardware fastener with anti-vibration and anti-loosening function according to claim 1, characterized in that: The limiting holes (21) are equidistantly distributed on the outer side of the upper fixed plate (2).

4. The hardware fastener with anti-vibration and anti-loosening function according to claim 1, characterized in that: The inside of the lower fixed plate (1) is welded with a guide sleeve close to the position of the guide rod (13).

5. The hardware fastener with anti-vibration and anti-loosening function according to claim 1, characterized in that: The bottom of the fixed buckle (23) is inclinedly arranged, and the inclined surface is provided with protruding lines at equal intervals.

6. The hardware fastener with anti-vibration and anti-loosening function according to claim 1, characterized in that: The position close to the fixed buckle (23) of the limiting bolt (3) is provided with a clamping groove.

7. The hardware fastener with anti-vibration and anti-loosening function according to claim 1, characterized in that: The fixed buckle (23) and the limiting bolt (3) are clampedly connected.

8. The hardware fastener with anti-vibration and anti-loosening function according to claim 1, characterized in that: The fixed buckle (23) is symmetrically provided with two about the middle line of the upper fixed plate (2). The bottom of the fixed buckle (23) is inclinedly arranged, and the inclined surface is provided with protruding lines at equal intervals. The position close to the fixed buckle (23) of the limiting bolt (3) is provided with a clamping groove. The fixed buckle (23) and the limiting bolt (3) are clampedly connected. The fixed buckle (23) is symmetrically provided with two about the middle line of the upper fixed plate (2).

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