CN210301396U

CN210301396U - Ophthalmic needle holder

Info

Publication number: CN210301396U
Application number: CN201920255764.3U
Authority: CN
Inventors: 张奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-04-14
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses an ophthalmic needle holder, including needle holder main part, screwdriver head and pneumatic dowel steel, the needle holder main part is including miniature cylinder, transmission chamber and centre gripping chamber, the transfer line spanes transmission chamber and centre gripping chamber, the transfer line is rotated through the pivot and is connected with mechanism's member, mechanism's member is rotated through the pivot and is connected with the fixed plate, vertical installation has the slip sheet board between the fixed plate, the middle part of fixed plate is provided with the recess by right position, the lug joint of recess and screwdriver head, the right side position thigh of fixed plate is connected with the adjusting block, the adjusting block connects with screwdriver head fastening. Through adding miniature cylinder, pneumatic dowel steel and transfer line, solve traditional clamping device's screw piece and appear bad way easily and lead to connecting insecure or the dead scheduling problem of card, through adding recess and adjusting block for clamping device and screwdriver head's connection is more firm, through taking pneumatic means, solves the inconvenient problem of loading and unloading screwdriver head.

Description

Ophthalmic needle holder

Technical Field

The utility model relates to the technical field of tools related to ophthalmic operation, in particular to an ophthalmic needle holder.

Background

In the course of modern medical ophthalmologic operation, the needle holders used in ophthalmologic operation are used more and more frequently, moreover, when the existing needle holder is used, most of the whole operation needs the fingers of a doctor to grip or a fastening structure on the needle holder to fasten the position, so as to ensure the needle body firmware in the operation to obtain stable effect, but the fingers of people can not be liberated when the whole body is controlled, the frequency of the operation effect of a doctor is influenced due to the overlarge effect, when the needle holder is used, because the fastening piece on the existing needle holder is not stable enough or the fingers of a doctor cannot be relaxed in the control of force, the long-time work affects the working effect, and the position fixing of the needle holder and the further fastening effect on the needle holder on an operation tool can be realized through the mechanical regulation and control function at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ophthalmic needle holder to solve the problems in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an ophthalmic needle holder comprises a needle holder body, a screwdriver bit and a pneumatic transmission rod, wherein the needle holder body comprises a micro air cylinder, a transmission cavity and a clamping cavity, the micro air cylinder is arranged at the left end of an inner cavity of the needle holder body, one end of the needle holder body is provided with a regulation switch, one end of the micro air cylinder is connected with the transmission cavity, a control valve is installed on the left side of the transmission cavity, the pneumatic transmission rod is arranged at the middle position of the transmission cavity, one end of the pneumatic transmission rod is fixedly connected with a transmission rod, the transmission rod stretches across the transmission cavity and the clamping cavity, the transmission rod is rotatably connected with a mechanism rod piece through a rotating shaft, the mechanism rod piece is rotatably connected with a fixed plate through a rotating shaft, a sliding sheet plate is vertically installed between the fixed plates, the sliding sheet plate comprises an inner plate and a sleeve plate, the inner plate is positioned inside the sleeve plate, and a groove, the groove is clamped with the convex block of the screwdriver head, the right side position strand of the fixing plate is connected with an adjusting block, and the adjusting block is fixedly connected with the screwdriver head.

Preferably, the material of the needle holder body is specifically a steel plate, and the maximum bearing pressure of the needle holder body is 2.1 mpa.

Preferably, the length of the mechanism lever is in the range of 31mm to 33mm, and the maximum stretching length of the sliding sheet plate is in the range of 60mm to 70 mm.

Preferably, the screwdriver head is provided with three types, specifically a straight screwdriver head, a cross screwdriver head and a rice screwdriver head.

Preferably, the cambered surface end of the adjusting block is provided with a silica gel cushion.

Compared with the prior art, the beneficial effects of the utility model are that: this utility model discloses an add miniature cylinder, pneumatic biography pole and transfer line, solve traditional clamping device's screw piece and appear bad way easily and lead to the insecure or card scheduling problem that dies, through adding recess and adjusting block for clamping device and screwdriver bit's connection is more firm, through taking pneumatic means, solves the inconvenient problem of loading and unloading screwdriver bit.

Drawings

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

FIG. 2 is a schematic structural view of a mechanism rod of the present invention;

fig. 3 is a schematic structural view of a fixing plate of the present invention;

FIG. 4 is a schematic view of the adjusting block of the present invention;

FIG. 5 is a schematic view of the structure of the rotating shaft of the present invention;

fig. 6 is a schematic diagram of the sliding plate structure of the present invention.

In the figure: the needle holder comprises a needle holder body 1, a control valve 2, a regulating switch 3, a pneumatic transmission rod 4, a micro air cylinder 5, a transmission rod 6, a transmission cavity 7, a clamping cavity 8, a rotating shaft 9, a mechanism rod 10, a fixing plate 11, a sliding sheet plate 12, an adjusting block 13, a screwdriver bit 14, a sleeve plate 15 and an inner plate 16.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an ophthalmic needle holder, includes needle holder main part 1, screwdriver bit 14 and pneumatic dowel steel 4, the material of needle holder main part 1 specifically is the steel sheet, the biggest bearing pressure of needle holder main part 1 is 2.1 megapascals, screwdriver bit 14 is equipped with three kinds of models, specifically is a word screwdriver bit, cross screwdriver bit and rice screwdriver bit, needle holder main part 1 is including miniature cylinder 5, transmission chamber 7 and centre gripping chamber 8, miniature cylinder 5 sets up the inner chamber left end at needle holder main part 1, the one end of needle holder main part 1 is provided with regulation and control switch 3, the one end of miniature cylinder 5 is connected with transmission chamber 7, control valve 2 is installed in the left side of transmission chamber 7, the middle part position of transmission chamber 7 is provided with pneumatic dowel steel 4, the one end fixedly connected with transfer line 6 of pneumatic dowel steel 4, through adding miniature cylinder 5, Pneumatic biography pole 4 and transfer line 6, solve traditional clamping device's screw thread piece and appear bad way easily and lead to insecure connection or card dead scheduling problem, transfer line 6 spanes transmission chamber 7 and centre gripping chamber 8, transfer line 6 rotates through pivot 9 and is connected with mechanism member 10, mechanism member 10 rotates through pivot 9 and is connected with fixed plate 11, vertical installation has slide plate 12 between the fixed plate 11, slide plate 12 is including inner panel 16 and lagging 15, the length range of mechanism member 10 is 31mm to 33mm, slide plate 12's the biggest tensile length range is 60mm to 70mm, inner panel 16 is located the lagging 15 inside, the middle part of fixed plate 11 leans on right position to be provided with the recess, and recess and screwdrivers head 14's lug joint, the right side position strand of fixed plate 11 is connected with adjusting block 13, adjusting block 13's cambered surface end is provided with the silica gel cushion, through adding recess and adjusting block 13 for clamping device and screwdriver bit 14's connection is more firm, adjusting block 13 and screwdriver bit 14 fastening connection, through adopting pneumatic means, solve the inconvenient problem of loading and unloading screwdriver bit 14.

The working principle is as follows: firstly, a screwdriver bit 14 required to be used is determined and placed between fixing plates 11 in a clamping cavity 8, then a lug at the tail end of the screwdriver bit 14 is clamped with a groove at a proper position according to requirements, then a regulating switch 3 is pressed down, the regulating switch 3 controls a control valve 2 to deflate at the moment, air pressure pushes a pneumatic transmission rod 4 forwards, the pneumatic transmission rod 4 drives a transmission rod 6 to move, the position of the transmission rod 6 changes to enable a mechanism rod piece 10 to move, the distance between the fixing plates 11 is shortened through a rotating shaft 9 by the mechanism rod piece 10, the bottom end of the groove is tightly attached to the lug at the tail end of the screwdriver bit 14, the cambered end of an adjusting block 13 fastens the screwdriver bit 14, so that the screwdriver bit 14 and the clamping device are fastened, after the screwdriver bit is used, the control valve 2 is controlled by the regulating switch 3 to enable air to flow back into a micro air cylinder, the screwdriver bit 14 is removed and placed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an ophthalmic needle holder, includes needle holder main part (1), screwdriver head (14) and pneumatic dowel (4), its characterized in that: the needle holder main body (1) comprises a micro air cylinder (5), a transmission cavity (7) and a clamping cavity (8), the micro air cylinder (5) is arranged at the left end of an inner cavity of the needle holder main body (1), one end of the needle holder main body (1) is provided with a regulation switch (3), one end of the micro air cylinder (5) is connected with the transmission cavity (7), a control valve (2) is installed on the left side of the transmission cavity (7), a pneumatic transmission rod (4) is arranged in the middle of the transmission cavity (7), one end of the pneumatic transmission rod (4) is fixedly connected with a transmission rod (6), the transmission rod (6) spans the transmission cavity (7) and the clamping cavity (8), the transmission rod (6) is rotatably connected with a mechanism rod piece (10) through a rotating shaft (9), the mechanism rod piece (10) is rotatably connected with a fixing plate (11) through the rotating shaft (9), and a sliding sheet plate (12) is vertically installed between the fixing plates (11, slide plate board (12) are including inner panel (16) and lagging (15), inner panel (16) are located inside lagging (15), the middle part of fixed plate (11) is leaned on right position and is provided with the recess, and the lug joint of recess and screwdriver bit (14), the right side position strand of fixed plate (11) is connected with adjusting block (13), adjusting block (13) and screwdriver bit (14) fastening connection.

2. An ophthalmic needle holder according to claim 1, characterized in that: the needle holder main body (1) is made of a steel plate, and the maximum bearing pressure of the needle holder main body (1) is 2.1 MPa.

3. An ophthalmic needle holder according to claim 1, characterized in that: the length range of the mechanism rod piece (10) is 31mm to 33mm, and the maximum stretching length range of the sliding sheet plate (12) is 60mm to 70 mm.

4. An ophthalmic needle holder according to claim 1, characterized in that: screwdriver head (14) are equipped with three types, specifically are a word screwdriver head, cross screwdriver head and rice screwdriver head.

5. An ophthalmic needle holder according to claim 1, characterized in that: and a silica gel cushion is arranged at the cambered surface end of the adjusting block (13).