CN210440393U

CN210440393U - Eccentric thread position fixing device

Info

Publication number: CN210440393U
Application number: CN201921451496.9U
Authority: CN
Inventors: 浦建军
Original assignee: Wuxi Chuangyuan Technology Co ltd
Current assignee: Wuxi Chuangyuan Technology Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-05-01
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses an eccentric thread position fixing device in the technical field of fixing equipment, which comprises an eccentric bolt and a fixing seat, wherein the eccentric bolt is arranged on the upper part of the fixing seat, the eccentric bolt comprises a first stud, a connecting body and a second stud, the first stud is welded and fixed on the bottom of the connecting body, the second stud is welded and fixed on the top of the connecting body, the fixing seat comprises a bottom plate, a nut and a clamping device, the bottom of the clamping device is welded and fixed on the top of the bottom plate, and the nut is arranged on the outer side wall of the clamping device through threads; this eccentric screw thread position fixing device's setting, structural design is reasonable, installs clamping device at the top of bottom plate, passes through the bolt with the bottom of eccentric bolt and installs behind clamping device's inside, uses the spanner to twist the nut, utilizes the nut to tighten two trapezoidal thread pieces to reach the effect to eccentric bolt fastening, make things convenient for the installation of eccentric screw thread.

Description

Eccentric thread position fixing device

Technical Field

The utility model relates to a fixed equipment technical field specifically is an eccentric screw thread position fixing device.

Background

The eccentric Screw belongs to a kind of Screw, and is a tool for fastening machine parts of an object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and friction force of the object. The existing eccentric screw has a serious problem that a device for fixing the eccentric screw is lacked when the eccentric screw is used, so that the installation of the eccentric screw is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an eccentric screw thread position fixing device to solve the eccentric screw that proposes among the above-mentioned background art and lack the device fixed to it when using, thereby can influence the problem of the installation of eccentric screw.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an eccentric screw thread position fixing device, includes eccentric bolt and fixing base, eccentric bolt install in the upper portion of fixing base, eccentric bolt includes first double-screw bolt, connector and second double-screw bolt, first double-screw bolt welded fastening in the bottom of connector, second double-screw bolt welded fastening in the top of connector, the fixing base includes bottom plate, nut and clamping device, clamping device's bottom welded fastening in the top of bottom plate, the nut pass through the screw thread install in clamping device's lateral wall, clamping device's inner chamber is opened there is circular cavity, the cavity inside wall is opened threadedly, first double-screw bolt pass through the screw thread with clamping device connects.

Preferably, the clamping device comprises two trapezoidal thread pieces, and the two trapezoidal thread pieces are symmetrically distributed.

Preferably, the inner side wall of the nut is of a trapezoidal structure, the upper part of the inner side wall is wide, the lower part of the inner side wall is narrow, and the outer side wall of the nut is of a hexagonal structure.

Preferably, the second stud is offset from the center of the top of the connecting body.

Compared with the prior art, the beneficial effects of the utility model are that: this eccentric screw thread position fixing device's setting, structural design is reasonable, installs clamping device at the top of bottom plate, passes through the bolt with the bottom of eccentric bolt and installs behind clamping device's inside, uses the spanner to twist the nut, utilizes the nut to tighten two trapezoidal thread pieces to reach the effect to eccentric bolt fastening, make things convenient for the installation of eccentric screw thread.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the fixing base of the present invention.

In the figure: the bolt comprises an eccentric bolt 100, a first stud 110, a connecting body 120, a second stud 130, a fixed seat 200, a bottom plate 210, a nut 220, a clamping device 230 and a trapezoidal thread piece 231.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an eccentric screw thread position fixing device for to the fixed of eccentric screw, please refer to fig. 1, including eccentric bolt 100 and fixing base 200.

Referring to fig. 1-2, the eccentric bolt 100 is installed on the upper portion of the fixing base 200, the eccentric bolt 100 includes a first stud 110, a connecting body 120 and a second stud 130, the first stud 110 is welded and fixed on the bottom of the connecting body 120, the second stud 130 is welded and fixed on the top of the connecting body 120, and the eccentric bolt 100 is used for connecting with an external component.

Referring to fig. 1-2 again, the fixing base 200 includes a bottom plate 210, a nut 220 and a clamping device 230, the bottom of the clamping device 230 is welded and fixed to the top of the bottom plate 210, the nut 220 is installed on the outer side wall of the clamping device 230 through a thread, a circular cavity is opened in the inner cavity of the clamping device 230, a thread is opened on the inner side wall of the cavity, the first stud 110 is connected with the clamping device 230 through a thread, the clamping device 230 is used for installing and connecting the first stud 110, the nut 220 is used for clamping the clamping device 230, so as to improve the clamping force of the clamping device 230 on the first stud 110, and the bottom plate 210 is used for keeping the stability of the.

Referring to fig. 1-2 again, in order to facilitate clamping the first stud 110, the clamping device 230 includes two trapezoidal thread pieces 231, the two trapezoidal thread pieces 231 are symmetrically distributed, and the trapezoidal thread pieces 231 are slightly deformed under the action of the nut 220 to clamp the first stud 110, so as to prevent the first stud 110 from being separated from the clamping device 230.

Referring to fig. 2, in order to improve the connection stability between the nut 220 and the clamping device 230, the inner sidewall of the nut 220 has a trapezoidal structure with a wide top and a narrow bottom, the outer sidewall of the nut 220 has a hexagonal structure, the outer hexagon of the nut 220 facilitates the use of a wrench, and the inner trapezoidal structure of the nut 220 is used for tightening the clamping device 230.

Referring to fig. 1, for the convenience of connecting with external equipment, the second stud 130 is offset from the center of the top of the connecting body 120.

The trapezoidal thread pieces 231 are not limited to the specific number described in the embodiment, and those skilled in the art can increase or decrease the number as required on the premise that the device can complete the function of fixing the eccentric bolt.

The working principle is as follows: the nut 220 is turned by a wrench to move down along the clamping device 230, so as to contact and fix the clamping device 230, then the first stud 110 at the bottom end of the eccentric bolt 100 is screwed into the inner cavity of the clamping device 230, the nut 220 is turned by the wrench to move up along the clamping device 230, and the trapezoidal thread piece 231 is screwed by the nut 220 step by step, so that the eccentric bolt 100 is fixed.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. An eccentric screw thread position fixing device which characterized in that: comprises an eccentric bolt (100) and a fixed seat (200), the eccentric bolt (100) is arranged at the upper part of the fixed seat (200), the eccentric bolt (100) comprises a first stud (110), a connecting body (120) and a second stud (130), the first stud (110) is welded and fixed at the bottom of the connecting body (120), the second stud (130) is welded and fixed on the top of the connecting body (120), the fixing seat (200) comprises a bottom plate (210), a nut (220) and a clamping device (230), the bottom of the clamping device (230) is welded and fixed on the top of the bottom plate (210), the nut (220) is mounted to an outer sidewall of the clamping device (230) by a screw, the inner cavity of the clamping device (230) is provided with a circular chamber, the inner side wall of the chamber is provided with threads, the first stud (110) is connected to the clamping device (230) by means of a thread.

2. An eccentric threaded position fixing device as defined in claim 1, wherein: the clamping device (230) comprises two trapezoidal thread pieces (231), and the two trapezoidal thread pieces (231) are symmetrically distributed.

3. An eccentric threaded position fixing device as defined in claim 1, wherein: the inner side wall of the nut (220) is of a trapezoidal structure, the upper part of the inner side wall is wide, the lower part of the inner side wall is narrow, and the outer side wall of the nut (220) is of a hexagonal structure.

4. An eccentric threaded position fixing device as defined in claim 1, wherein: the second stud (130) is offset from the center of the top of the connecting body (120).