Bolt convenient to screw with hands

Abstract

The utility model relates to the technical field of bolts, in particular to a bolt convenient to screw by hands, which comprises a screw rod, a nut is sleeved and screwed on a rod body of the screw rod, the surface of the nut is rotatably connected with two groups of extension shifting pieces, the two groups of extension shifting pieces are distributed in diagonal symmetry relative to the nut, and finger grooves are formed in the surfaces of the extension shifting pieces; the bolt has the advantages that the extending shifting piece is rotationally installed on the surface of the nut, when the extending shifting piece is rotated to be perpendicular to the nut, the extending shifting piece serves as a force arm for screwing the nut, slipping is avoided when the nut is screwed in a bare-handed mode, and the nut can be conveniently screwed.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to a bolt which is convenient to be screwed by hand. Background Technique

[0002] Bolt: a mechanical part, a cylindrical threaded fastener used with a nut. A kind of fastener composed of two parts, a head and a screw rod (a cylinder with external threads), which needs to be配合 with a nut and is used for fastening and connecting two parts with through holes. This connection form is called bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection belongs to the detachable connection.

[0003] In the prior art, a wrench is usually used to tighten the nut of the bolt. In the absence of a wrench, the nut is usually screwed by hand.

[0004] However, when screwing the nut by hand, pressing the finger on the surface of the nut is not only easy to slip, but also not convenient to tighten the nut. Content of the Utility Model

[0005] The purpose of the utility model is to provide a bolt which is convenient to be screwed by hand, so as to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a bolt which is convenient to be screwed by hand, including a screw rod, a nut is sleeved and screwed on the rod body of the screw rod, two groups of extending paddles are rotatably connected to the surface of the nut, the two groups of extending paddles are symmetrically distributed diagonally with respect to the nut, and finger grooves are arranged on the surface of the extending paddles.

[0007] Preferably, a reserved groove is arranged on the surface of the nut, a limiting shaft is fixed on the surface of the reserved groove, and the limiting shaft is in a "T"-shaped cylindrical structure.

[0008] Preferably, the limiting shaft is movably inserted into a through hole, the through hole is arranged on the surface of the extending paddle, and when the extending paddle is placed flat in the reserved groove, the finger groove faces the surface of the reserved groove.

[0009] Preferably, a clamping groove is arranged at one end of the extending paddle, the clamping groove is in a "U"-shaped groove, and a rubber clamping strip is fixed on the surface of the reserved groove, and the height of the rubber clamping strip is equal to the height of the clamping groove.

[0010] Preferably, when the extending paddle is placed flat in the reserved groove, the rubber clamping strip extends into the clamping groove.

[0011] Preferably, a silica gel gasket is fixed on the surface of the finger groove, and the silica gel gasket is in a "匚"-shaped plate structure.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model provides a bolt that is easy to be screwed by hand. An extension paddle is rotatably installed on the surface of a nut. When the extension paddle is rotated to be perpendicular to the nut, the extension paddle acts as a force arm for screwing the nut, thereby preventing slipping when screwing the nut by hand and making it easy to tighten the nut. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the nut structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the extended paddle structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the utility model after the extended paddle is pulled out from the reserved groove.

[0018] In the figure: screw 1, nut 2, reserved groove 3, limit shaft 4, through hole 5, extension paddle 6, slot 7, rubber clip 8, finger groove 9, silicone gasket 10. DETAILED DESCRIPTION

[0019] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1

[0021] See also Figure 1 and Figure 4 The utility model provides a technical solution: a bolt that is easy to screw by hand, comprising a screw rod 1, a nut 2 is sleeved on the rod body of the screw rod 1 and threadedly connected, two groups of extension paddles 6 are rotatably connected to the surface of the nut 2, the two groups of extension paddles 6 are diagonally symmetrically distributed about the nut 2, and finger grooves 9 are opened on the surface of the extension paddles 6; the extension paddles 6 are rotatably installed on the surface of the nut, and when the extension paddles 6 are rotated to be perpendicular to the nut 2, the extension paddles 6 act as a force arm for screwing the nut 2, thereby avoiding slipping when screwing the nut 2 by hand and facilitating tightening the nut 2.

[0022] Embodiment 2

[0023] See attached Figure 2 and Figure 3, on the basis of the first embodiment, in order to prevent the extension flap 6 from shaking after being pushed into the reserved groove 3, a reserved groove 3 is provided on the surface of the nut 2, and a limiting shaft 4 is fixed on the surface of the reserved groove 3. The limiting shaft 4 is in a "T"-shaped cylindrical structure. The limiting shaft 4 is movably inserted into the through hole 5, and the through hole 5 is opened on the surface of the extension flap 6. When the extension flap 6 is placed flat inside the reserved groove 3, the finger groove 9 faces the surface of the reserved groove 3. A clamping groove 7 is opened at one end of the extension flap 6. The clamping groove 7 is in a "U"-shaped groove. A rubber clamping strip 8 is fixed on the surface of the reserved groove 3. The height of the rubber clamping strip 8 is equal to the height of the clamping groove 7. When the extension flap 6 is placed flat inside the reserved groove 3, the rubber clamping strip 8 extends into the clamping groove 7. A silica gel gasket 10 is fixed on the surface of the finger groove 9. The silica gel gasket 10 is in a "匚"-shaped plate-like structure.

[0024] During actual use, when it is necessary to manually screw the nut 2 onto the screw rod 1, the extension flap 6 is toggled to rotate around the limiting shaft 4 until the extension flap 6 is blocked by one side wall of the reserved groove 3. At this time, the extension flap 6 and the nut 2 are perpendicular. After the two extension flaps 6 are respectively pulled out from the corresponding reserved grooves 3, two fingers are respectively pressed into the finger grooves 9 on the surfaces of the two extension flaps 6, and a force is applied to the extension flaps 6 to drive the nut 2 to be screwed onto the screw rod 1. At this time, the extension flap 6 serves as the force arm for screwing the nut 2. In this way, manually screwing the nut 2 is more labor-saving. After use, the extension flap 6 is pushed into the reserved groove 3. When the extension flap 6 is placed flat inside the reserved groove 3, the rubber clamping strip 8 is inserted into the clamping groove 7 to limit the extension flap 6 and prevent the extension flap 6 from rotating around the limiting shaft 4 randomly due to no external tension.

[0025] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bolt that can be easily screwed by hand, comprising a screw rod (1), a nut (2) being sleeved on the rod body of the screw rod (1) and screwed thereon, characterized in that: Two groups of extended paddles (6) are rotatably connected to the surface of the nut (2). The two groups of extended paddles (6) are symmetrically distributed diagonally with respect to the nut (2). Finger grooves (9) are formed on the surface of the extended paddles (6).

2. A bolt that is easy to screw barehanded according to claim 1, characterized in that: A reserved groove (3) is formed on the surface of the nut (2). A limit shaft (4) is fixed on the surface of the reserved groove (3). The limit shaft (4) is in a "T"-shaped cylindrical structure.

3. A bolt that is easy to screw barehanded according to claim 2, characterized in that: The limit shaft (4) is movably inserted into a through hole (5). The through hole (5) is formed on the surface of the extended paddle (6). When the extended paddle (6) is placed flat inside the reserved groove (3), the finger groove (9) faces the surface of the reserved groove (3).

4. A bolt that is easy to screw barehanded according to claim 3, characterized in that: A clamping groove (7) is formed at one end of the extended paddle (6). The clamping groove (7) is in a "U"-shaped groove. A rubber clamping strip (8) is fixed on the surface of the reserved groove (3). The height of the rubber clamping strip (8) is equal to the height of the clamping groove (7).

5. A bolt that is easy to screw barehanded according to claim 4, characterized in that: When the extended paddle (6) is placed flat inside the reserved groove (3), the rubber clamping strip (8) extends into the clamping groove (7).

6. The bolt that is easy to screw barehanded according to claim 1, characterized in that: A silica gel gasket (10) is fixed on the surface of the finger groove (9). The silica gel gasket (10) is in a "匚"-shaped plate structure.

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