Longitudinal stable type 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 longitudinal stable type 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 a plurality of longitudinal stabilizing rods are arranged outside the screw rod. A plurality of stabilizing ring pieces are arranged on the outer wall of the longitudinal stabilizing rod, a plurality of longitudinal stabilizing grooves matched with the stabilizing ring pieces are integrally formed in the outer wall of the nut body, limiting boxes are movably clamped to the upper end and the lower end of the longitudinal stabilizing rod, and rotating shafts are movably clamped in the limiting boxes.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical parts technical field, concretely relates to a longitudinal stable nut screw rod elevator of can let a position. BACKGROUND

[0002] Nut is the nut, and is screwed together with bolt or screw rod to be used to play the part of fastening, and the nut screw rod fixing structure can be formed through the engagement of nut inner wall and screw rod or bolt outer wall, the inner thread layer is arranged on the inner wall of nut, the outer engagement layer of screw rod or bolt outer wall and the inner thread layer of nut inner wall are engaged to screw the nut into and fix on screw rod or bolt outer wall, and the depth of the nut screwed in can be adjusted through rotation, the fixed effect of the nut screwed in is good, the screwing in and taking out are simple, and the use flexibility is strong.

[0003] Although the above-mentioned prior art can solve the corresponding technical problems, there are still some defects: in order to make the existing screw rod can keep the upright state, often set up a support rod in the middle section to make it keep upright, and the existing nut cannot continue to rotate through after being screwed into the screw rod, and the support rod and the screw rod are connected, if it is necessary to pass through the connection position of the support rod and the screw rod, it is necessary to screw the nut from the other end of the screw rod or remove the support rod, the steps required are more, and the operation is very inconvenient, and when the nut is lifted after being screwed into the screw rod, the nut is easily subjected to the longitudinal resistance brought by the screw rod, and the tendency of longitudinal deformation is further generated, the elongation phenomenon is easily generated after long-term use, the nut is deformed and the screwing phenomenon is caused, the connection is not firm. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at the defects and insufficient of prior art, and provides a longitudinal stable nut screw rod elevator of can let a position not easy longitudinal deformation, and the operation steps of passing through the support rod are few.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a longitudinal stable nut screw rod elevator of can let a position, including screw rod and the support rod fixedly connected with the outer wall of screw rod, the outer wall of screw rod is equipped with the outer engagement layer, the outer wall of screw rod is equipped with the nut of engagement connection with the outer engagement layer, the nut includes nut body and the nut inner cavity of penetrating the upper and lower ends of nut body, the nut body is penetrated and is equipped with the through groove with the same angle of inclination as the outer engagement layer of screw rod, the through groove is the helical groove structure along the nut body and extends from top to bottom, the outer wall of longitudinal stabilizer is equipped with a plurality of stable circle pieces, the outer wall of nut body is integrally formed with a plurality of longitudinal stabilizing grooves matched with stable circle pieces, the upper and lower ends of longitudinal stabilizer are movably clamped with limit box, the limit box is movably clamped with the rotating shaft in it, the longitudinal stabilizer is fixedly sleeved on the rotating shaft, and the limit box is penetrated with the slot on the upper and lower faces, which can make the screw rod and the support rod pass through.

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

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

[0008] Further improvement is that the limiting box edge is further provided with a side protection plate.

[0009] After the technical scheme is applied, the nut body outer wall of the fixing structure is provided with a through groove, and the angle of the slope of the through groove and the outer engagement layer of the screw rod is the same, so that in the rotating process, if the nut reaches the support rod position on the screw rod, the support rod can enter the through groove, and with the rotation of the nut, the support rod moves relative to the nut body through the through groove, the nut body passes through the support rod through the through groove, the passing property of the nut is greatly improved, the nut does not need to be disassembled and rotated into the screw rod from the other end, the operation is convenient, and at the same time in the rotating process, the deformation caused by the longitudinal force is limited by the longitudinal stabilizing rod cooperating with the first engagement layer and the second engagement layer arranged thereon, so that the longitudinal tensile deformation is difficult to occur, the engagement effect between the nut and the screw rod is guaranteed, and the nut is prevented from being elongated. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0011] Figure 1 is a structure schematic view of the fixing structure of the present application in the front view section;

[0012] Figure 2 is a structure schematic view of the fixing structure of the present application in the top view section;

[0013] Figure 3 is a structure schematic view of the nut of the present application in the three-dimensional view;

[0014] Figure 4 is a structure schematic view of the nut of the present application in the front view section;

[0015] Figure 5 is a structure schematic view of the longitudinal stabilizing rod and the stabilizing ring piece of the present application in the three-dimensional view;

[0016] Figure 6 is a structure schematic view of the longitudinal stabilizing rod and the stabilizing ring piece of the present application in the front view section. DETAILED DESCRIPTION

[0017] The utility model is further illustrated in connection with the drawings and specific embodiments.

[0018] Referring to Figures 1-6The technical scheme adopted by the embodiment is shown as follows: a longitudinal stable nut screw elevator capable of moving aside, comprising a screw rod 100 and a supporting rod 200 fixedly connected with the outer wall of the screw rod 100, wherein 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 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, and the angle of the slope of the through groove 2 is the same as that 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, the screw rod 100 is externally provided with a plurality of longitudinal stabilizing rods 20, the outer wall of the longitudinal stabilizing rod 20 is provided with a plurality of stabilizing ring pieces 22, the outer wall of the nut body 1 is integrally formed with a plurality of longitudinal stabilizing grooves 12 matched with the stabilizing ring pieces 22, the upper and lower ends of the longitudinal stabilizing rod 20 are movably clamped with a limiting box 400, the limiting box 400 is movably clamped with a rotating shaft 301, the longitudinal stabilizing rod 20 is fixedly sleeved on the rotating shaft 301, and the limiting box 400 is provided with a groove penetrating the upper and lower surfaces and capable of allowing the screw rod 100 and the supporting rod 200 to pass through, in use, the nut body 1 is screwed into the screw rod 100, the nut inner cavity 3 of the nut body 1 is matched with the through groove 2 to engage the outer meshing layer 101 of the screw rod 100, and rotation can make the nut body 1 move along the outer meshing layer 101 of the screw rod 100, when the nut body 1 moves to the position of the supporting rod 200 on the screw rod 100, the supporting rod 200 can be clamped into the through groove 2 provided on the nut body 1, because the angle of the slope of the through groove 2 and the outer meshing layer 101 of the screw rod 100 matched with the nut is the same, the supporting rod 200 on the screw rod 100 can relatively move with the nut body 1 through the through groove 2 without being stuck, the nut body 1 passes through the supporting rod 200 through the through groove 2, and the passing property of the nut is greatly improved, when the nut is moved, the nut body does not need to be disassembled and screwed into the screw rod 100 from the other end, the operation is convenient, meanwhile, because the upward movement of the nut body 1 generates a reaction force opposite to the movement direction with the screw rod 100 during the rotation process of the nut, the longitudinal stabilizing grooves 12 on the outer wall of the nut body 1 are matched with the stabilizing ring pieces 22 provided on the outer wall of the longitudinal stabilizing rod 20 to be engaged with each other, the stabilizing ring pieces 22 are clamped into the longitudinal stabilizing grooves 12, the longitudinal force applied on the nut body 1 is resisted, the longitudinal stretching phenomenon of the nut body 1 is prevented, the nut body 1 is limited to be stretched during the rotation process, cannot be stretched and elongated, and is difficult to be stretched and deformed longitudinally, the engagement effect between the nut and the screw rod 100 is ensured, and the limiting box 400 provided on the upper and lower ends of the longitudinal stabilizing rod 20 and the groove capable of allowing the screw rod 100 to pass through are matched to make the nut body 1 move while the upper and lower ends press the limiting box 400 to drive the longitudinal stabilizing rod 20 connected through the rotating shaft 301 to move synchronously,Further make longitudinal stabilizing rod 20 can always be located outside the nut body 1 and with its bite, keep stable effect;

[0019] The nut body 1 top surface is equipped with upper flat sheet 6, it is favorable to make the nut body 1 upper surface more flat, prevent the protrusion and lead to difficult to install or remove;

[0020] The nut body 1 bottom surface is equipped with lower flat sheet 5, it is favorable to make the nut body 1 lower surface more flat, prevent the protrusion and lead to difficult to install or remove;

[0021] The limiting box 400 edge is further equipped with side protection plate 401, it is favorable to improve the protection effect of stable device 300 and nut body 1.

[0022] The working principle of the utility model: the utility model uses, screw into the screw rod 100 of nut body 1, make the nut inner cavity 3 of nut body 1 cooperate through slot 2 bite the outer engagement layer 101 of screw rod 100, rotate can make nut body 1 along the outer engagement layer 101 of screw rod 100 move, when nut body 1 moves to the support rod 200 position on screw rod 100, at this moment can make support rod 200 be clamped into the through slot 2 that is equipped with in nut body 1, because the angle of the slope of through slot 2 and the outer engagement layer 101 of screw rod 100 matched with nut is same, further along with the rotation of nut body 1, support rod 200 on screw rod 100 can pass through slot 2 to relatively move with nut body 1 and not be stuck, pass through slot 2 to make nut body 1 pass through support rod 200, further make the nut passability greatly improve, when moving nut, do not need to take down the nut body again from screw rod 100 another end and screw in, convenient operation, simultaneously, in the process of nut rotation, because nut body 1 moves upward and will generate the counterforce opposite with the movement direction between screw rod 100, and the longitudinal stabilizing groove 12 of nut body 1 outer wall and the stabilizing ring piece 22 that longitudinal stabilizing rod 20 outer wall is equipped with bite each other, further through stabilizing ring piece 22 be clamped into longitudinal stabilizing groove 12, resist the longitudinal force exerted on nut body 1, to prevent the longitudinal tensile phenomenon of nut body 1, further make nut body 1 be limited to stretch in the rotation process, cannot be stretched and lengthened, make it difficult to produce longitudinal tensile deformation, guarantee the bite effect between nut and screw rod 100, simultaneously cooperate with the limiting box 400 that longitudinal stabilizing rod 20 upper end and lower end are equipped with and the slot that can pass through screw rod 100 to make nut body 1 when moving, simultaneously upper end and lower end will extrude limiting box 400, make it drive longitudinal stabilizing rod 20 connected through pivot 301 to move synchronously, further make longitudinal stabilizing rod 20 can always be located outside the nut body 1 and with its bite, keep stable effect.

[0023] The utility model wants to protect is the structure of product, the model of each element is not the content of the utility model protection, is also the known art, the market can be as a kind of selection application to the element that can realize the above-mentioned function of the utility model. Therefore the model of element and other parameters are not described in detail in the utility model. The contribution of the utility model is to combine each element scientifically together.

[0024] The basic principle and main features of the utility model and its advantages are shown and described above, and those skilled in the art should understand that the utility model is not limited by the above examples. The above examples and descriptions are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements. These changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the attached claims and their equivalents. The utility model is not described in detail, which is the known technology of those skilled in the art.

Claims

1. A displaceable longitudinal stabilizing nut screw elevator, characterized in that: The utility model provides a screw rod (100) and support rod (200) fixed connection with screw rod (100) outer wall, screw rod (100) outer wall is equipped with outer meshing layer (101), screw rod (100) outer wall is equipped with nut and is meshed with outer meshing layer (101) connection, the nut includes nut body (1) and nut inner cavity (3) that penetrates the upper and lower end of nut body (1), the nut body (1) penetrates and is equipped with with the same angle of the inclination of outer meshing layer (101) of screw rod (100) through groove (2), the through groove (2) is the helical groove structure that extends from top to bottom along the nut body (1), screw rod (100) is equipped with a plurality of longitudinal stabilizer (20) outside, longitudinal stabilizer (20) outer wall is equipped with a plurality of stabilizing ring piece (22), the nut body (1) outer wall is integrally formed with a plurality of longitudinal stabilizing groove (12) and stabilizing ring piece (22) cooperation, longitudinal stabilizer (20) upper and lower end movable clamping limit box (400), limit box (400) is equipped with shaft (301) and is movable clamping in, longitudinal stabilizer (20) is fixedly sleeved on the shaft (301), limit box (400) upper and lower face penetrates and is equipped with the slot that can make screw rod (100) and support rod (200) pass through.

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

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

4. A yieldable longitudinal stabilizing nut screw elevator according to claim 1, wherein: The limit box (400) edge is further provided with a side protection plate (401).

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