CN220646659U

CN220646659U - Screw-nut anti-impact top structure

Info

Publication number: CN220646659U
Application number: CN202322493543.9U
Authority: CN
Inventors: 刘正朋; 刘堂伟; 马金灿
Original assignee: Qingdao Zhangshi Lituo Precision Machinery Co ltd
Current assignee: Qingdao Zhangshi Lituo Precision Machinery Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-03-22
Anticipated expiration: 2033-09-14

Abstract

The utility model discloses a screw nut anti-collision structure, which relates to the technical field of screw nut anti-collision, and comprises a screw body, a right clamping block and a left clamping block, wherein the screw body is in threaded sleeve connection with the periphery of the screw body; the mounting and dismounting mechanism comprises a plug-in block, a limiting slot, a plug-in slot, a moving slot and a mounting slot. According to the utility model, the annular groove and the clamping arc piece are arranged, so that the left clamping block and the right clamping block can be clamped and fixed on the periphery of the end part of the screw rod body more quickly, and the movement cannot be generated in the later period, so that better stability is achieved; the mounting and dismounting mechanisms for the left and right clamping blocks are arranged, so that the mounting and dismounting mechanisms can be fixed and dismounted more quickly, and the mounting and dismounting mechanisms can be operated quickly when the mounting and dismounting mechanisms are required to be replaced or overhauled in the later period, so that a better using effect is achieved.

Description

Screw-nut anti-impact top structure

Technical Field

The utility model relates to the related technical field of screw-nut anti-impact ejection, in particular to a screw-nut anti-impact ejection structure.

Background

The screw nut is a transmission element most commonly used on tool machinery and precision machinery, and has the main functions of converting rotary motion into linear motion or converting torque into axial repeated acting force, and simultaneously has the characteristics of high precision, reversibility and high efficiency; is widely used in various industrial equipments and precision instruments due to small friction resistance; in order to correspondingly improve the screw rod nut, a top-punching prevention structure is arranged at the end part of the screw rod nut to avoid the top-punching phenomenon; however, the anti-impact structure in the current market is a simple limiting block, and then the anti-impact structure is directly limited after being welded, but each limiting collision can influence the loosening of a welded part, and instability in use can be caused after a long time; and the later replacement also needs to be welded again, thereby greatly influencing the use effect.

Disclosure of Invention

The utility model aims to provide a screw nut anti-collision structure so as to solve the problems of the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the screw nut anti-collision structure comprises a screw rod body, a screw body, a right clamping block and a left clamping block, wherein threads of the screw body are sleeved on the periphery of the screw rod body, the right clamping block and the left clamping block are buckled on the periphery of the end part of the screw rod body, and an assembling and disassembling mechanism is connected between the right clamping block and the left clamping block;

the installing and detaching mechanism comprises an inserting block, a limiting slot, an inserting groove, a moving groove, a mounting groove, a sliding sleeve block, a lapping plate and a limiting inserting plate, wherein the inserting block is fixedly connected with the opening end of the left clamping block, the limiting slot is formed in the upper end surface of the inserting block, the inserting groove and the moving groove are formed in the opening end of the right clamping block, the mounting groove is formed in the inner side wall of the moving groove, the sliding sleeve block is slidably connected with the inner wall of the mounting groove, the lapping plate is fixedly connected between the two sliding sleeve blocks, and the limiting inserting plate is fixedly connected with the surface of the lapping plate.

Further, the mounting and dismounting mechanism further comprises a fixing rod, a spring and a pulling rod, wherein the fixing rod is fixedly connected between two end walls of the mounting groove, the spring is sleeved on the periphery of the fixing rod, the pulling rod is inserted into the end wall of the moving groove, and one end of the pulling rod is fixedly connected with the surface of the lapping plate.

Further, the annular groove is formed in the periphery of the end portion of the screw rod body, clamping arc pieces are fixedly connected to the inner walls of the right clamping block and the left clamping block, and the clamping arc pieces are clamped on the inner walls of the annular groove.

Furthermore, one end of the limiting plugboard penetrates through the end wall of the movable groove and is inserted into the inner wall of the limiting slot, and the set size of the limiting slot is mutually matched with the design size of the limiting plugboard.

Further, the plug blocks are inserted into the inner walls of the plug grooves, and the design size of the plug blocks is matched with the set size of the plug grooves.

Further, one end of the spring is fixedly connected to the end wall of the placement groove, and the other end of the spring is fixedly connected to one end surface of the sliding sleeve block.

Compared with the prior art, the utility model has the following beneficial effects:

according to the screw nut anti-collision structure, the annular groove and the clamping arc piece are arranged, so that the left clamping block and the right clamping block can be clamped and fixed on the periphery of the end part of the screw rod body more quickly, and cannot move in the later period, so that better stability is achieved; the mounting and dismounting mechanisms for the left and right clamping blocks are arranged, so that the mounting and dismounting mechanisms can be fixed and dismounted more quickly, and the mounting and dismounting mechanisms can be operated quickly when the mounting and dismounting mechanisms are required to be replaced or overhauled in the later period, so that a better using effect is achieved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial structure of a screw body according to an embodiment of the present utility model;

FIG. 3 is a schematic structural diagram of a left engaging block according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a right engaging block according to an embodiment of the present utility model;

fig. 5 is an enlarged view of the structure a in fig. 4 according to an embodiment of the present utility model.

In the figure: 1. a wire rod body; 2. a nut body; 3. an annular groove; 4. a right clamping block; 5. a left clamping block; 6. clamping the arc piece; 7. a plug block; 8. a limit slot; 9. a plug-in groove; 10. a moving groove; 11. a placement groove; 12. a fixed rod; 13. a spring; 14. a sliding sleeve block; 15. a lapping plate; 16. limiting plugboards; 17. and pulling the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides the following technical solutions: the screw-nut anti-collision structure comprises a screw body 1, a nut body 2, a right clamping block 4 and a left clamping block 5, wherein the nut body 2 is in threaded sleeve connection with the periphery of the screw body 1, the right clamping block 4 and the left clamping block 5 are buckled on the periphery of the end part of the screw body 1, and an assembling and disassembling mechanism is connected between the right clamping block 4 and the left clamping block 5; the installing and detaching mechanism comprises an inserting block 7, a limiting slot 8, an inserting slot 9, a moving slot 10, an installing slot 11, a sliding sleeve block 14, a lapping plate 15 and a limiting inserting plate 16, wherein the inserting block 7 is fixedly connected to the opening end of the left clamping block 5, the limiting slot 8 is arranged on the upper end surface of the inserting block 7, the inserting slot 9 and the moving slot 10 are both arranged on the opening end of the right clamping block 4, the installing slot 11 is arranged on the inner side wall of the moving slot 10, the sliding sleeve block 14 is slidably connected to the inner wall of the installing slot 11, the lapping plate 15 is fixedly connected between the two sliding sleeve blocks 14, the limiting inserting plate 16 is fixedly connected to the surface of the lapping plate 15, one end of the limiting inserting plate 16 penetrates through the end wall of the moving slot 10 and is inserted into the inner wall of the limiting slot 8, the arrangement size of the limiting inserting slot 8 is mutually matched with the design size of the limiting inserting plate 16, the inserting block 7 is inserted into the inner wall of the inserting slot 9, the design size of the inserting block 7 is mutually matched with the arrangement size of the inserting slot 9, and one end of the limiting inserting plate 16 is in an arc shape.

In this embodiment, one end of the limiting plugboard 16 is designed in an arc shape, so that the plug-in block 7 can squeeze the limiting plugboard 16 in the process of being inserted into the plug-in slot 9, and the limiting plugboard 16 is squeezed to move by matching with the arc-shaped design, so that the rapid fixing effect of the right clamping block 4 and the left clamping block 5 is achieved.

Specifically, the mounting and dismounting mechanism further comprises a fixing rod 12, a spring 13 and a pulling rod 17, wherein the fixing rod 12 is fixedly connected between two end walls of the mounting groove 11, the spring 13 is sleeved on the periphery of the fixing rod 12, the pulling rod 17 is inserted into the end wall of the moving groove 10, one end of the pulling rod is fixedly connected with the surface of the lapping plate 15, one end of the spring 13 is fixedly connected with the end wall of the mounting groove 11, and the other end of the spring 13 is fixedly connected with one end surface of the sliding sleeve block 14.

In this embodiment, by setting the fixing rod 12 and the spring 13, the limiting plugboard 16 can be matched with the fixing rod 12, the sliding sleeve block 14 and the lapping plate 15 under the condition of no stress and reset under the rebound acting force of the spring 13, so that the limiting plugboard 16 is quickly reset and inserted into the inner wall of the limiting slot 8, and the purpose of quickly fixing the right clamping block 4 and the left clamping block 5 is achieved.

Specifically, annular groove 3 has been seted up to the tip periphery of the body of rod 1, the inner wall of right block 4 and left block 5 all fixedly connected with joint arc piece 6, and joint arc piece 6 cutting ferrule is at the inner wall of annular groove 3.

The working principle of the utility model is as follows: when the whole screw-nut anti-punching structure is used, in order to prevent the later-stage punching phenomenon, the right clamping block 4 and the left clamping block 5 are required to be connected to the periphery of the end part of the screw rod body 1 before use, and the specific connection steps are as follows: the right clamping block 4 and the left clamping block 5 are matched with the annular groove 3 and the clamping arc piece 6 to be clamped and sleeved on the periphery of the end part of the screw rod body 1, the right clamping block 4 and the left clamping block 5 are inserted into the inner wall of the inserting groove 9 during the process of buckling, and the limiting inserting plate 16 is extruded by the inserting block 7 due to the arc-shaped end part design of the limiting inserting plate 16 during the inserting process, so that the limiting inserting plate 16 moves, after the inserting block 7 is completely inserted, the limiting inserting plate 16 is not stressed and is reset under the rebound acting force of the spring 13, and then the limiting inserting block 4 and the left clamping block 5 are inserted into the inner wall of the limiting inserting groove 8, so that the purpose of quick fixing of the right clamping block 4 and the left clamping block 5 is achieved; when the right clamping block 4 and the left clamping block 5 need to be detached, only the pulling rod 17 needs to be pulled.

Finally, it should be noted that: while the basic concepts have been described above, it will be apparent to those skilled in the art that the foregoing detailed disclosure is by way of example only and is not intended to be limiting. Although not explicitly described herein, various modifications, improvements, and adaptations to the present disclosure may occur to one skilled in the art. Such modifications, improvements, and modifications are intended to be suggested within this specification, and therefore, such modifications, improvements, and modifications are intended to be included within the spirit and scope of the exemplary embodiments of the present utility model. Meanwhile, the specification uses specific words to describe the embodiments of the specification. Reference to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic is associated with at least one embodiment of the present description. Thus, it should be emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various positions in this specification are not necessarily referring to the same embodiment. Furthermore, certain features, structures, or characteristics of one or more embodiments of the present description may be combined as suitable. Furthermore, the order in which the elements and sequences are processed, the use of numerical letters, or other designations in the description are not intended to limit the order in which the processes and methods of the description are performed unless explicitly recited in the claims.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a screw-nut scour protection top structure, includes the body of rod (1), the nut body (2), right block (4) and left block (5), the nut body (2) screw thread cup joints in the periphery of the body of rod (1), right block (4) and left block (5) lock are peripheral at the tip of the body of rod (1), its characterized in that: an installing and detaching mechanism is connected between the right clamping block (4) and the left clamping block (5);

the mounting and dismounting mechanism comprises a plugging block (7), a limiting slot (8), a plugging groove (9), a moving groove (10), a mounting groove (11), a sliding sleeve block (14), a lapping plate (15) and a limiting plug board (16), wherein the plugging block (7) is fixedly connected with the opening end of the left clamping block (5), the limiting slot (8) is formed in the upper end surface of the plugging block (7), the plugging groove (9) and the moving groove (10) are formed in the opening end of the right clamping block (4), the mounting groove (11) is formed in the inner side wall of the moving groove (10), the sliding sleeve block (14) is slidably connected with the inner wall of the mounting groove (11), the lapping plate (15) is fixedly connected between the two sliding sleeve blocks (14), and the limiting plug board (16) is fixedly connected with the surface of the lapping plate (15).

2. The lead screw nut anti-collision top structure according to claim 1, wherein: the mounting and dismounting mechanism further comprises a fixing rod (12), a spring (13) and a pulling rod (17), wherein the fixing rod (12) is fixedly connected between two end walls of the mounting groove (11), the spring (13) is sleeved on the periphery of the fixing rod (12), the pulling rod (17) is inserted into the end wall of the moving groove (10), and one end of the pulling rod is fixedly connected with the surface of the lapping plate (15).

3. The lead screw nut anti-collision top structure according to claim 1, wherein: annular grooves (3) are formed in the periphery of the end portion of the screw rod body (1), clamping arc pieces (6) are fixedly connected to the inner walls of the right clamping block (4) and the left clamping block (5), and the clamping arc pieces (6) are clamped on the inner walls of the annular grooves (3).

4. The lead screw nut anti-collision top structure according to claim 1, wherein: one end of the limiting plugboard (16) penetrates through the end wall of the movable groove (10) and is inserted into the inner wall of the limiting slot (8), and the opening size of the limiting slot (8) is mutually matched with the design size of the limiting plugboard (16).

5. The lead screw nut anti-collision top structure according to claim 1, wherein: the plug-in blocks (7) are inserted into the inner walls of the plug-in grooves (9), and the design size of the plug-in blocks (7) is matched with the opening size of the plug-in grooves (9).

6. A lead screw nut anti-collision top structure according to claim 2, wherein: one end of the spring (13) is fixedly connected to the end wall of the placement groove (11), and the other end of the spring (13) is fixedly connected to one end surface of the sliding sleeve block (14).