Nut and screw elevator capable of giving way

Abstract

The utility model relates to the technical field of mechanical parts, in particular to a receding nut and screw elevator which comprises a screw and a supporting rod fixedly connected with the outer wall of the screw, an outer meshing layer is arranged on the outer wall of the screw, a nut connected with the outer meshing layer in a meshing mode is arranged on the outer wall of the screw, and the supporting rod is fixedly connected with the screw. The nut comprises a nut body and a nut inner cavity penetrating through the upper end and the lower end of the nut body, a through groove with the same inclination angle as the outer meshing layer of the screw rod is formed in the nut body in a penetrating mode, the through groove is of a spiral groove structure extending from top to bottom along the nut body, and after the nut body is screwed into the screw rod, the through groove moves along with the outer meshing layer. And the supporting rod passes through the through groove when passing through the supporting rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical parts technical field, concretely relates to a nut screw rod elevator that can give way. BACKGROUND

[0002] The nut is a cap, and is screwed together with a bolt or a screw rod to serve as a fastening part, and a nut screw rod fixing structure is formed by the engagement of the nut and the screw rod, the inner wall of the nut is provided with an internal thread layer, the external engagement layer of the outer wall of the screw rod or the bolt is engaged with the internal thread layer of the inner wall of the nut to screw the nut into and fix the nut on the outer wall of the screw rod or the bolt, and the depth of screwing of the nut can be adjusted by rotation, the fixing effect of the screwed nut is good, the screwing and unscrewing are simple, and the use is flexible.

[0003] Although the above patent can solve the corresponding technical problems, there are still some defects: in order to keep the screw rod in an upright state, a support rod is often arranged at the middle section of the screw rod to keep it upright, and after the existing nut is screwed into the screw rod, it cannot continue to rotate through the position where the support rod is connected with the screw rod, if it is necessary to pass through the position where the support rod is connected with the screw rod, the nut needs to be screwed in from the other end of the screw rod or the support rod needs to be removed, and the steps required are more and the operation is very inconvenient. UTILITY MODEL CONTENTS

[0004] The utility model aims at the defects and deficiencies of the prior art, and provides a nut screw rod elevator that can give way without frequent disassembly and has few operation steps.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a nut screw rod elevator that can give way, including screw rod and support rod fixedly connected with the outer wall of the screw rod, the outer wall of the screw rod is equipped with external engagement layer, the outer wall of the screw rod is equipped with nut that engages with external engagement layer, the nut includes nut body and nut inner cavity that penetrates the upper and lower ends of the nut body, the nut body is provided with through groove that is same with the angle of the slope of the external engagement layer of the screw rod, the through groove is the spiral groove structure that extends from top to bottom along the nut body, after the nut body is screwed into the screw rod, the external engagement layer moves and makes the support rod pass through the through groove when passing through the support rod.

[0006] Further improvement is that: the top surface of the nut body is provided with an upper flat piece.

[0007] Further improvement is that: the bottom surface of the nut body is provided with a lower flat piece.

[0008] The utility model discloses the beneficial effect that after adopting above-mentioned technical scheme is: the fixed structure's nut body outer wall is equipped with the through groove that penetrates, and the angle of the inclination of the through groove and the outer engagement layer of screw rod is same, and then in the rotation process, if the nut reaches the support rod position on the screw rod, then can make the support rod enter into the through groove, and along with the rotation of nut, the support rod passes through the through groove and moves relatively with the nut body, and the nut body passes through the support rod through the through groove, and the passing property of nut is greatly improved, and need not take down the nut again and rotate from the other end of screw rod, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0009] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced to the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description only is some embodiments of the utility model, and for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0010] Figure 1 It is the structure schematic diagram of fixed structure front view of the utility model;

[0011] Figure 2 It is the structure schematic diagram of fixed structure after removing support rod of the utility model three-dimensional solid;

[0012] Figure 3 It is the structure schematic diagram of nut three-dimensional solid of the utility model;

[0013] Figure 4 It is the structure schematic diagram of nut front view of the utility model. DETAILED DESCRIPTION

[0014] The utility model is further illustrated in conjunction with the drawings and specific embodiment.

[0015] Referring to Figures 1-4The technical scheme adopted in the embodiment is shown as follows: a nut screw rod elevator capable of moving, comprising a screw rod 100 and a support rod 200 fixedly connected with the outer wall of the screw rod 100, the outer wall of the screw rod 100 is provided with an outer engagement layer 101, the outer wall of the screw rod 100 is provided with a nut engaged with the outer engagement layer 101, the nut comprises a nut body 1 and a nut inner cavity 3 penetrating the upper and lower ends of the nut body 1, the nut body 1 is provided with a through groove 2 penetrating the nut body 1, the angle of the through groove 2 is the same as the slope of the outer engagement layer 101 of the screw rod 100, the through groove 2 is a spiral groove structure extending downward along the nut body 1, after the nut body 1 is screwed into the screw rod 100, the nut body 1 moves along with the outer engagement layer 101, and the support rod 200 passes through the through groove 2 when passing through the support rod 200, in use, the nut body 1 is screwed into the screw rod 100, the nut inner cavity 3 of the nut body 1 is engaged with the outer engagement layer 101 of the screw rod 100 through the through groove 2, and rotation can make the nut body 1 move along the outer engagement layer 101 of the screw rod 100, when the nut body 1 moves to the position of the support rod 200 on the screw rod 100, the support rod 200 can be clamped into the through groove 2 provided on the nut body 1 at this time, because the angle of the through groove 2 is the same as the slope of the outer engagement layer 101 of the screw rod 100 matched with the nut, and the support rod 200 on the screw rod 100 can move relative to the nut body 1 through the through groove 2 without being stuck, the nut body 1 passes through the support rod 200 through the through groove 2, and the nut passing property is greatly improved, when the nut is moved, the nut body does not need to be disassembled and screwed into the other end of the screw rod 100, and the operation is convenient.

[0016] The top surface of the nut body 1 is provided with an upper flat piece 6, which is beneficial to make the upper surface of the nut body 1 more flat and prevent protrusion to cause difficulty in installation or removal.

[0017] The bottom surface of the nut body 1 is provided with a lower flat piece 5, which is beneficial to make the lower surface of the nut body 1 more flat and prevent protrusion to cause difficulty in installation or removal.

[0018] The connecting layer 4 is an internal thread layer or a self-locking thread layer, the internal thread layer can be quickly engaged with the outer engagement layer 101 matched, rotation is more smooth, and the self-locking thread layer can automatically form a thread matched with the outer engagement layer 101 after being screwed into the screw rod 100, so that the engagement degree is higher and the connection is more compact.

[0019] The utility model discloses a working principle: the utility model uses, and the nut body 1 is rotated into the screw rod 100, makes the nut inner chamber 3 of nut body 1 is engaged with the outer engagement layer 101 of the screw rod 100 through the slot 2, and rotation can make the nut body 1 along the outer engagement layer 101 of screw rod 100 moves, when the nut body 1 moves to the support rod 200 position on the screw rod 100, at this moment, can make the support rod 200 be clamped into the slot 2 that is equipped with on the nut body 1, because the angle of the inclination of the slot 2 and the outer engagement layer 101 of the screw rod 100 matched with the nut is same, and then along with the rotation of nut body 1, the support rod 200 on the screw rod 100 can pass through the slot 2 and relatively move with the nut body 1 and not jam, pass through the slot 2 and make the nut body 1 pass through the support rod 200, and then make the nut passability greatly improves, when moving the nut, need not take down the nut body again from the screw rod 100 another end and rotate, convenient operation.

[0020] The utility model wants to protect the structure of product, and the model of each element is not the content of the utility model protection, and it is the known technology, and the element that can realize the function of the utility model above on the market can be as a kind of selection application. Therefore the model of element and the like parameters are not described in detail in the utility model. The contribution of the utility model is that each element is combined scientifically together.

[0021] The basic principle and main features of the utility model and its advantages are shown and described above, and the skilled person in the art should understand that the utility model is not limited to the above examples, and the above examples and description are only described the principle of the utility model, under the premise that the utility model spirit and scope are not departed from, the utility model will have various changes and improvements, and these changes and improvements all fall into the range of the utility model to be protected, and the utility model protection range is defined by the attached claims and its equivalents. The utility model is not described in detail, and it is the known technology of the skilled person in the art.

Claims

1. A displaceable nut screw elevator, characterized in that: The utility model relates to a screw rod (100) and support rod (200) fixedly connected with the outer wall of the screw rod (100), the outer wall of the screw rod (100) is provided with an outer meshing layer (101), the outer wall of the screw rod (100) is provided with a nut meshing connected with the outer meshing layer (101), the nut includes a nut body (1) and a nut inner cavity (3) penetrating the upper and lower ends of the nut body (1), the nut body (1) is provided with a through groove (2) penetrating and having the same angle as the slope of the outer meshing layer (101) of the screw rod (100), the through groove (2) is a spiral groove structure extending from top to bottom along the nut body (1), after the nut body (1) is screwed into the screw rod (100), the outer meshing layer (101) moves, and the support rod (200) passes through the through groove (2) when passing through the support rod (200).

2. A yieldable nut screw elevator according to claim 1, wherein: The top surface of the nut body (1) is provided with an upper flat piece (6).

3. A yieldable nut screw elevator according to claim 1, wherein: The bottom surface of the nut body (1) is provided with a lower flat piece (5).

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