CN210418718U

CN210418718U - Optical axis axial quick locking mechanism

Info

Publication number: CN210418718U
Application number: CN201921423931.7U
Authority: CN
Inventors: 王垣博; 曹程阳; 魏萍; 常森; 刘群坡
Original assignee: Henan University of Technology
Current assignee: Henan University of Technology
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-04-28
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to a locking device especially relates to a quick locking mechanism of optical axis axial, including the overcoat, the endotheca, toper cover and the nut of screwing, endotheca cover is established in the overcoat and with overcoat clearance fit, toper ways locate between overcoat and the endotheca and with endotheca clearance fit, endotheca lateral surface is equipped with the first boss that is used for having the tip butt of interior conical surface with toper cover, evenly inlay in the endotheca has a plurality of steel balls, a plurality of steel balls are located same vertical plane, and contact with the interior conical surface of toper cover, endotheca right-hand member parallel and level with the right-hand member of overcoat, the left end portion salient of endotheca is in the left end of overcoat, be equipped with the screw thread on the lateral surface of endotheca left end, the nut cover of screwing is established at the left end of endotheca and is matched with the screw thread of endotheca left end. The utility model discloses dismantle and maintain the convenience, the unblock is easy, has improved the reliability in the use.

Description

Optical axis axial quick locking mechanism

Technical Field

The utility model relates to a locking device especially relates to a quick locking mechanism of optical axis axial.

Background

The axial locking device is widely applied to cable production equipment and production equipment in other various industries. The common traditional axial locking device is provided with a nut locking device, a set screw sleeve locking device and a pin sleeve locking device, the shaft end threads of the nut locking device are often designed to be longer, the assembly and disassembly efficiency is low, and the local part is easy to damage. The locking device of the set screw sleeve is difficult to disassemble and assemble, and the possibility of damage to the shaft surface and the screw threads of the screw and the sleeve screw hole exists. The axial adjustment continuity of the pin bush locking device is poor.

Chinese patent document CN201520521739.7 provides a self-locking axial locking device for clamping a wire coil, which solves the problems of the conventional axial locking device, but the locking is difficult to unlock due to the small deformation of the contact surface between the shaft and the tapered sleeve, and the inner sleeve and the pull cap are in interference fit, the outer sleeve and the tapered sleeve are in interference fit, the disassembly and maintenance are inconvenient, the reliable use of the device is affected, and therefore a new optical axis axial quick locking mechanism is urgently needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, the utility model provides an optical axis axial quick locking mechanism, which comprises an outer sleeve, an inner sleeve, a conical sleeve and a screwing nut, wherein the inner sleeve is sleeved in the outer sleeve and is in clearance fit with the outer sleeve, the conical sleeve is sleeved between the outer sleeve and the inner sleeve and is in clearance fit with the inner sleeve, the outer side surface of the inner sleeve is provided with a first boss used for abutting against the end part of the conical sleeve with an inner conical surface, a plurality of steel balls are uniformly embedded in the inner sleeve and are positioned on the same longitudinal surface and are contacted with the inner conical surface of the conical sleeve, the common inscribed circle diameter of the steel balls is smaller than the diameter of the optical axis, the common inscribed circle diameter of the steel balls is larger than the inner diameter of the cylindrical surface of the conical sleeve, the right end of the inner sleeve is flush with the right end of the outer sleeve, the left end part of the inner sleeve protrudes out of the left, the screwing nut is sleeved at the left end of the inner sleeve and matched with threads on the outer side surface of the left end of the inner sleeve, the conical sleeve is connected to the right end of the outer sleeve, and the optical axis is inserted into the inner sleeve from the right end of the inner sleeve and locked.

Preferably, the lateral surface of toper cover and the medial surface threaded connection of overcoat right-hand member, and the right-hand member of toper cover is equipped with the second boss, the left end face of second boss contacts with the right-hand member face of overcoat, and convenient the dismantlement is convenient for the inside maintenance of mechanism.

Preferably, be equipped with first boss sliding chamber in the overcoat, be equipped with the screw thread on the lateral surface of first boss, screw thread on the lateral surface of first boss and the screw thread phase-match on the overcoat right-hand member medial surface, the convenient dismantlement, the maintenance of the mechanism inside of being convenient for.

Preferably, a compression spring for generating pre-pressure between the steel ball and the inner conical surface of the conical sleeve is arranged in the first boss sliding cavity, the compression spring enables the steel ball to be in contact with the inner conical surface of the conical sleeve, and appropriate pre-pressure is generated between the steel ball and the inner conical surface of the conical sleeve, so that the possibility that the steel ball cannot be locked in place due to the gap between the steel ball and the inner conical surface of the conical sleeve in use of the device is avoided.

The utility model discloses still including enabling the other subassemblies of the normal use of a quick locking mechanism of optical axis axial, be the conventional technological means in this field. In addition, the device or the component which is not limited in the utility model adopts the conventional technical means in the field.

The utility model discloses a theory of operation is, foretell quick locking mechanism of optical axis axial, to the in-process of optical axis locking, at first will screw the nut rotatory to the left end of endotheca, the left end face of overcoat is kept away from to the right-hand member face that makes the nut of screwing, then with the optical axis from the right-hand member of this device turn left insert the endotheca and realize locking through the optional position behind the steel ball, the optical axis can only insert left and can't extract right, the rationale drives the steel ball to the tip motion of toper cover when utilizing the optical axis to extract, utilize the dead steel ball of friction angle lock and then the dead optical axis of lock. In the unlocking process, the rotating nut is rotated to be in contact with the left end face of the outer sleeve, and then the locking nut is continuously rotated, so that the inner sleeve is pulled to move leftwards, and the steel balls are driven to move leftwards to realize unlocking.

The beneficial effects of the utility model are that, this device dismantles and maintains the convenience, and the unblock is easy, has improved the reliability in the use.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic sectional view A-A of FIG. 1.

Fig. 3 is a schematic diagram of the exploded structure of fig. 1.

In the figure: 1. the spring comprises an outer sleeve, 2 parts of an inner sleeve, 3 parts of a conical sleeve, 4 parts of a screwing nut, 5 parts of a first boss, 6 parts of a steel ball, 7 parts of a second boss, 8 parts of a first boss sliding cavity and 9 parts of a compression spring.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.

Examples

As shown in fig. 1-3, the utility model provides an optical axis axial quick locking mechanism, which comprises an outer sleeve 1, an inner sleeve 2, a conical sleeve 3 and a screwing nut 4, wherein the inner sleeve 2 is sleeved in the outer sleeve 1 and is in clearance fit with the outer sleeve 1, the conical sleeve 3 is sleeved between the outer sleeve 1 and the inner sleeve 2 and is in clearance fit with the inner sleeve 2, the outer side surface of the inner sleeve 2 is provided with a first boss 5 for abutting against the end part of the conical sleeve 3 with an inner conical surface, a plurality of steel balls 6 are uniformly embedded in the inner sleeve 2, the steel balls 6 are positioned on the same longitudinal surface and are in contact with the inner conical surface of the conical sleeve 3, the common inscribed circle diameter of the steel balls 6 is smaller than the diameter of the optical axis, the common circumscribed circle diameter of the steel balls 6 is larger than the inner diameter of the cylindrical surface of the conical sleeve 3, the right end of the inner sleeve 2 is flush with the right end of, the left end part of the inner sleeve 2 protrudes out of the left end face of the outer sleeve 1, the outer side face of the left end of the inner sleeve 2 is provided with threads, the screwing nut 4 is sleeved at the left end of the inner sleeve 2 and matched with the threads on the outer side face of the left end of the inner sleeve 2, the conical sleeve 3 is connected to the right end of the outer sleeve 1, and the optical axis is inserted into the inner sleeve 2 from the right end of the inner sleeve 2 and locked.

The lateral surface of toper cover 3 and the medial surface threaded connection of overcoat 1 right-hand member, and the right-hand member of toper cover 3 is equipped with second boss 7, the left end face of second boss 7 contacts with the right-hand member face of overcoat 1, and convenient the dismantlement is convenient for the inside maintenance of mechanism.

Be equipped with first boss sliding chamber 8 in overcoat 1, be equipped with the screw thread on the lateral surface of first boss 5, screw thread on 5 lateral surfaces of first boss and the screw thread phase-match on the 1 right-hand member medial surface of overcoat, the convenient dismantlement, the maintenance of the mechanism inside of being convenient for.

The first boss sliding cavity 8 is internally provided with a compression spring 9 for generating pre-pressure between the steel ball 6 and the inner conical surface of the conical sleeve 3, the compression spring 9 enables the steel ball 6 to be kept in contact with the inner conical surface of the conical sleeve 3 and generates proper pre-pressure between the steel ball 6 and the inner conical surface of the conical sleeve 3, and the possibility that the steel ball 6 and the inner conical surface of the conical sleeve 3 cannot be locked in place due to the gap existing between the steel ball 6 and the inner conical surface of the conical sleeve 3 in the use of the device is avoided.

The utility model discloses a theory of operation is, foretell quick locking mechanism of optical axis axial, to the in-process of optical axis locking, at first will screw nut 4 rotatory to the left end of endotheca 2, make the right-hand member face of nut 4 of screwing keep away from the left end face of overcoat 1, then with the optical axis from the right-hand member of this device turn left insert endotheca 2 and through the optional position realization locking behind steel ball 6, the optical axis can only insert left and can't extract right, the rationale is that it drives the little end motion of steel ball 6 to toper cover 3 when utilizing the optical axis to extract, utilize the dead steel ball of friction angle lock and then the dead optical axis of lock. In the unlocking process, the rotating nut 4 is rotated to be in contact with the left end face of the outer sleeve 1, then the locking nut 4 is continuously rotated, so that the inner sleeve 2 is pulled to move leftwards, and the steel ball 6 is driven to move leftwards to realize unlocking.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides an optical axis axial is quick locking mechanism, includes overcoat, endotheca and toper cover, the endotheca cover is established in the overcoat and with overcoat clearance fit, toper cover locate between overcoat and the endotheca and with endotheca clearance fit, the endotheca lateral surface is equipped with the first boss that is used for having the tip butt of interior conical surface with the toper cover, evenly inlay in the endotheca has a plurality of steel balls, a plurality of steel balls are located same vertical plane, and contact with the interior conical surface of toper cover, the public inscribed circle diameter of a plurality of steel balls is less than the diameter of optical axis, and the public circumscribed circle diameter of a plurality of steel balls is greater than the internal diameter of toper cover cylinder, its characterized in that: the optical axis detection device is characterized by further comprising a screwing nut, the right end of the inner sleeve is flush with the right end of the outer sleeve, the left end portion of the inner sleeve protrudes out of the left end face of the outer sleeve, threads are arranged on the outer side face of the left end of the inner sleeve, the screwing nut is sleeved at the left end of the inner sleeve and matched with the threads on the outer side face of the left end of the inner sleeve, the conical sleeve is connected to the right end of the outer sleeve, and the optical axis is inserted into the.

2. The optical axis axial quick locking mechanism of claim 1, wherein: the outer side face of the conical sleeve is in threaded connection with the inner side face of the right end of the outer sleeve, a second boss is arranged at the right end of the conical sleeve, and the left end face of the second boss is in contact with the right end face of the outer sleeve.

3. The optical axis axial quick locking mechanism of claim 2, wherein: the novel thread-free anti-theft device is characterized in that a first boss sliding cavity is formed in the outer sleeve, threads are arranged on the outer side face of the first boss, and the threads on the outer side face of the first boss are matched with the threads on the inner side face of the right end of the outer sleeve.

4. The optical axis axial quick locking mechanism of claim 3, wherein: and a compression spring for generating pre-pressure between the steel ball and the inner conical surface of the conical sleeve is arranged in the first boss sliding cavity.