46results about How to "Simplify the fastening process" patented technology

Aiming at the technical problem of the traditional method of low working efficiency in fastening multiple screws, the invention mainly provides a device capable of simultaneously mounting and adjusting multiple screws and belongs to the technical field of mechanical assembly. With addition of multiple screw wrenches on a working mechanism of the device, multiple screws can be fastened by one operation only; and also with design of a torque adjusting knob, torsion values of the screws can be limited when the screws are fastened. The device has the advantages that the torsion values of all the screws can be set rapidly, multiple screws can be fastened or loosened by rotating one driving gear only, the fastening procedure can be simplified, the labor quantity of a worker is reduced, the working efficiency is improved, and the device is particularly suitable for being applied to places in which multiple screws are fixed and improves the production efficiency.

The invention discloses an extrusion-type anti-skid hand-held grid-counting surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, wherein a second buckle and a first buckle which are of a stable chimeric structure are arranged on the dish bottom, when under stress, the chimeric structure can loosen to cause relative movement between a mobile dish bottom side wall and a first dish bottom side wall, under cooperation between first hand grabs and second hand grabs, the dish bottom and the dish cover can be unbuckled or buckled more conveniently, when multiple culture dishes are placed in a stacked mode, by means of first bulges and second bulges, relative movement between the two adjacent culture dishes can be limited, and by means of grid lines, a bacterial colony counting process can be simplified.

The invention discloses a split type easy-to-press handheld surface sampling petri dish based on sector counting. The petri dish comprises a dish bottom and a dish cover. When being stressed, at leastone transverse crack opening and at least one longitudinal crack opening formed in at least one first dish bottom side wall can be split, a movable dish bottom side wall is separated, and the at least one first dish bottom side wall is lower than the plane of a solid medium, so that surface microorganism sampling operation is simpler and more convenient; the dish bottom and the dish cover can bemore convenient to open or buckle by cooperation of at least one first gripper and at least one second gripper; the movable dish bottom side wall can be more convenient to move by at least one press boss, and the counting process of colonies can be simplified by radial lines.

The invention discloses a press-out-type leak-proof visual hand-held grid counting surface sampling culture dish which comprises a dish bottom and a dish cover. The dish bottom is provided with a second clasp and a first clasp which are in a stable chimeric structure. The chimeric structure can be loosened when a force is applied, so that a movable dish bottom side wall moves relative to a first dish bottom side wall. A second dish bottom side wall can prevent a culture medium from overflowing out of the dish bottom. Through cooperation of a first grasping handle and a second grasping handle,the dish bottom and the dish cover can be more convenient to open or close. An observation window facilitates the observation of minute colonies, and grid lines simplify the counting process of bacterial colonies.

The invention discloses an extrusion-type easily-marked easily-pressed hand-held fan-shaped counting surface sampling culture dish. The extrusion-type easily-marked easily-pressed hand-held fan-shapedcounting surface sampling culture dish comprises a dish bottom and a dish cover; the dish bottom is provided with a second buckle and a first buckle; a stable inosculating structure is formed by thesecond buckle and the first buckle; when the stable inosculating structure is loaded with force, the second buckle and the first buckle are disconnected, relative movement of a movable dish bottom side wall with a first dish bottom side wall is realized; the cooperation of a first clamping edge and a second clamping edge is capable of realizing convenient disconnecting and connecting of the dish bottom and the dish cover; a marking zone is capable of increasing the efficiency of marking operation; a pressing platform is capable of providing movable dish bottom side wall movement with convenience; and radiative lines are adopted to simplify bacterium colony counting process.

The invention discloses an extrusion type easy-to-mark, anti-skid and handheld fan-shaped counting surface sampling culture dish. The culture dish comprises a culture dish bottom and a culture dish cover, wherein the culture dish bottom is provided with a second buckle and a first buckle which form a stable nesting structure; when being applied with a force, the nesting structure can be loosened,so that the bottom side wall of a movable dish and the bottom side wall of a first dish are enabled to make relative motion. Due to the cooperation of a first hand grab and a second hand grab, the culture dish bottom and the culture dish cover are more conveniently opened or closed; when a plurality of culture dishes are arranged in a stacking way, a first bulge and a second bulge can limit the relative movement of the every two adjacent culture dishes; a marking area enables the marking work to be more efficient; radioactive rays can simplify the counting process of a bacterial colony.

The invention relates to a multi-nut fixed torque mounting device which comprises a shell, a linking sleeve and more than two nut sleeves, wherein the linking sleeve and the nut sleeves are arranged on the shell; a guide rod with a thread is connected at the center of the tail end of each of the nut sleeves; a torsion-limiting gear, a front spring baffle, a pressure spring, a rear spring baffle and an adjusting nut are mounted on the guide rod in turn; the tail end of each of the nut sleeves is connected with the torsion-limiting gear through a flange ratchet; the adjusting nut is clung to the rear side of the rear spring baffle; a gear which is meshed with the torsion-limiting gear is arranged on the periphery of the linking sleeve; and the positions of multiple nut sleeves are corresponding to the positions of to-be-fastened nuts. The multi-nut fixed torque mounting device can once fasten multiple nuts by only rotating the linking sleeve; while the nuts are fastened, the torsion values are limited; the fastening process is greatly simplified; the labor capacity of labors is reduced; the time and labor are saved; and the working efficiency is increased.

The invention discloses a pressing type anti-slip visible handheld fan-shaped counting surface sampling culture vessel. The culture vessel comprises a vessel bottom and a vessel cover, wherein the vessel bottom is provided with a first clamp buckle and a second clamp buckle which are of stable embedding structures; when being stressed, the embedding structures can be disengaged, so that the bottomside wall of a movable vessel and the first vessel bottom side wall generate relative displacement; through the matching of a first grasping handle and a second grasping handle, the vessel bottom andthe vessel cover can be more conveniently opened or buckled; when a plurality of culture vessels are put in a stacked way, a first bulge and a second bulge can be used for limiting the relative movement of two adjacent culture vessels; through an observation window, the observation of tiny bacterial colonies can be more convenient; through radiation lines, the counting process of bacterial colonies can be simplified.

The invention discloses a pressing type quantitative visible handheld square counting surface sampling culture vessel. The culture vessel comprises a vessel bottom and a vessel cover, wherein the vessel bottom is provided with a first clamp buckle and a second clamp buckle which are of stable embedding structures; when being stressed, the embedding structures can be disengaged, so that the bottomside wall of a movable vessel and the first vessel bottom side wall generate relative displacement; through the matching of a first grasping handle and a second grasping handle, the vessel bottom andthe vessel cover can be more conveniently opened or buckled; through an observation window, the observation of tiny bacterial colonies can be more convenient; scale lines can be used for indicating the pouring volume of an agar culture medium; through square lines, the counting process of bacterial colonies can be simplified.

The invention discloses a ripping quantitative handheld grid counting surface sampling culture vessel which comprises a vessel bottom and a vessel cover. When in stress, a transverse crack opening anda longitudinal crack opening formed in a first vessel bottom side wall can rip, so that a movable vessel bottom side wall is separated, and the first vessel bottom side wall is lower than a plane ofa solid culture medium. Therefore, surface microorganisms are more simply and conveniently sampled, the vessel bottom and the vessel cover can be more conveniently opened or fastened by matching a first gripper with a second gripper, the pouring volume of an agar culture medium can be indicated by scale lines, and the counting process of bacterial colonies can be simplified by grid lines.

The invention discloses a pressing-out type leak-proof handheld grid counting based surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, wherein a second buckle and a first buckle which are in a stable embedded structure are arranged at the dish bottom, the embedded structure can be loosened under stress, and a movable dish bottom side wall moves relative to afirst dish bottom side wall. Besides, a culture medium can be prevented from overflowing from the dish bottom by the aid of a second dish bottom side wall, the dish bottom and the dish cover can be more conveniently opened or closed under cooperation of first hand grabs and second hand grabs, and by means of grid lines, a counting process of bacterial colonies can be simplified.

The invention discloses an extrusion-type leakproof antiskid hand-held fan-shaped counting surface sampling culture dish. The extrusion-type leakproof antiskid hand-held fan-shaped counting surface sampling culture dish comprises a dish bottom and a dish cover; the dish bottom is provided with a second buckle and a first buckle; a stable inosculating structure is formed by the second buckle and the first buckle; when the stable inosculating structure is loaded with force, the second buckle and the first buckle are disconnected, relative movement of a movable dish bottom side wall with a firstdish bottom side wall is realized; a second dish bottom side wall is capable of preventing leakage of culture medium from the dish bottom; the cooperation of a first clamping edge and a second clamping edge is capable of realizing convenient disconnecting and connecting of the dish bottom and the dish cover; when a plurality of the extrusion-type leakproof antiskid hand-held fan-shaped counting surface sampling culture dishes are stacked, first convex parts and second convex parts are capable of limiting relative movement of two adjacent extrusion-type leakproof antiskid hand-held fan-shaped counting surface sampling culture dishes, and radiative lines are adopted to simplify bacterium colony counting process.

The invention discloses a cracking type easy-to-mark easy-to-press handheld square counting surface sampling culture vessel. The culture vessel comprises a vessel bottom and a vessel cover. When the vessel is stressed, a transverse crack opening and a longitudinal crack opening formed in the first vessel bottom side wall can crack, so that the bottom side wall of a movable vessel can be disengaged; the height of the first vessel bottom side wall is lower than the plane of a solid culture medium, so that the surface microbial sampling operation is simpler and more convenient. Through the matching of a first grasping handle and a second grasping handle, the vessel bottom and the vessel cover can be more conveniently opened or buckled; through a marking region, the marking work can be more efficient; through a press table, the moving of the bottom side wall of the movable vessel can be more convenient; through square lines, the counting process of bacterial colonies can be simplified.

The invention discloses a cracking type quantitative easy-to-mark handheld fan-shaped counting surface sampling culture vessel. The culture vessel comprises a vessel bottom and a vessel cover. When the vessel is stressed, a transverse crack opening and a longitudinal crack opening formed in the first vessel bottom side wall can crack, so that the bottom side wall of a movable vessel can be disengaged; the height of the first vessel bottom side wall is lower than the plane of a solid culture medium, so that the surface microbial sampling operation is simpler and more convenient. Through the matching of a first grasping handle and a second grasping handle, the vessel bottom and the vessel cover can be more conveniently opened or buckled; through a marking region, the marking work can be moreefficient; scale lines can be used for indicating the pouring volume of an agar culture medium; through radiation lines, the counting process of bacterial colonies can be simplified.

The invention discloses a cracking type anti-leakage height-increasing handheld fan-shaped counting surface sampling culture vessel. The culture vessel comprises a vessel bottom and a vessel cover. When the vessel is stressed, a transverse crack opening and a longitudinal crack opening formed in the first vessel bottom side wall can crack, so that the bottom side wall of a movable vessel can be disengaged; the height of the first vessel bottom side wall is lower than the plane of a solid culture medium, so that the surface microbial sampling operation is simpler and more convenient. In addition, the second vessel bottom side wall can prevent a culture medium from overflowing from the vessel bottom; a pad table can prevent an agar culture medium from polluting the side wall of the vessel cover; through the matching of a first grasping handle and a second grasping handle, the vessel bottom and the vessel cover can be more conveniently opened or buckled; through radiation lines, the counting process of bacterial colonies can be simplified.