Flat centrifuge shaft mortise lock never-loosening device convenient to install

Abstract

The utility model provides a flat centrifuge shaft mortise lock never-loosening device convenient to install, which comprises an installation device main body, a shaft seat and a fastening stud, and the upper end of the installation device main body is provided with the shaft seat used for installing a centrifuge shaft. Compared with the prior art, the mounting device has the advantages that the mounting device body and the fastening stud are additionally arranged, the fastening base at the lower end of the centrifugal machine shaft is embedded into the inner side of the shaft hole, the fastening groove corresponds to the fastening block in position, the fastening stud is screwed into the fastening threaded hole, the fastening stud pushes the fastening sliding block towards the inner side, and the centrifugal machine shaft is fixed. According to the centrifugal machine mounting device, the mounting device body is additionally arranged, a circular embedding seat and a circular embedding groove are mutually embedded, and a mounting screw rotates to drive two groups of mounting sliding blocks to move, so that a mounting plate is embedded into the inner side of a mounting groove, and the mounting device body and the circular embedding seat are mutually embedded; and therefore, the device can be conveniently installed.

Description

Technical Field

[0001] The utility model belongs to the technical field of a flat centrifuge shaft latch, and particularly relates to a flat centrifuge shaft latch that is easy to install and never loosens. Background Art

[0002] The plate centrifuge is a laboratory equipment widely used in biomedicine, chemistry, pharmaceuticals, food, environmental protection and other fields. It is used to achieve centrifugal separation, precipitation, concentration and other operations of samples through high-speed rotation. The plate centrifuge shaft needs to be fixed with a corresponding latch in its structure. The plate centrifuge will generate a large vibration force during operation, which will cause the latch to loosen during the vibration, resulting in loose fixation of the centrifuge shaft. It is necessary to increase the frequency of inspection and maintenance of the latch structure to prevent the loosening of the latch from causing the centrifuge to shift during rotation, resulting in poor centrifugal effect, affecting the completion of production tasks in actual production, and its poor centrifugal effect will result in insufficient centrifugal material and poor quality after centrifugation.

[0003] Secondly, poor centrifugal effect will lead to the need for subsequent rework, which will increase the corresponding production tasks, which will be a burden of repetitive work for operators and an increase in costs for manufacturers.

[0004] In summary, there are some problems with the loosening of the shaft latch of the plate centrifuge during use, so it is hoped to propose a latch device that will never loosen during the service life of the plate centrifuge to solve the above technical problems. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model aims to provide a flat centrifuge shaft latch that is easy to install and never loosens, thereby solving the problems raised in the above-mentioned background technology.

[0006] The utility model is realized by the following technical scheme: a flat centrifuge shaft latch that is easy to install and never loosens, comprising: a mounting device body, a shaft seat and fastening studs, wherein the upper end of the mounting device body is provided with a shaft seat for installing the centrifuge shaft, the outer side of the shaft seat is provided with three groups of fastening threaded holes for installing the fastening studs, the inner side of the fastening threaded holes is provided with fastening studs for squeezing and fastening sliding blocks, an installation shaft seat is provided below the shaft seat, an engaging round seat for convenient installation is provided below the installation shaft seat, and a group of mounting plates for engaging with the mounting grooves are provided on both sides of the installation shaft seat.

[0007] As a preferred embodiment, the upper surface of the shaft seat is provided with an axial hole for installing the centrifuge shaft, the upper surface of the lower end of the shaft hole is provided with three groups of fastening grooves equally distributed in a circle, and a fastening slider is provided inside the fastening groove.

[0008] As a preferred embodiment, the fastening slider and the fastening slot are movably engaged with each other, a fastening ring seat is provided at one end above the fastening slider near the center of the shaft seat, and a fastening block is provided below the fastening ring seat, so that the fastening slider can slide in and out of the fastening slot, which can facilitate the guidance of the fastening block.

[0009] As a preferred embodiment, a centrifuge shaft is provided on the outside of the inner side of the shaft hole and a fastening seat is provided at the lower end thereof, a fastening groove is provided on the outer side of the fastening seat, the fastening block and the fastening groove are interlocked with each other, the fastening ring seat and the fastening seat are interlocked with each other, so that the fastening block is embedded in the fastening groove, and the upper end is pressed by the fastening ring seat, which can achieve the effect of never loosening.

[0010] As a preferred embodiment, the inner side surface of the shaft seat is provided with three groups of hidden inner grooves which are equally distributed in a circle. The fastening slider is hidden inside the hidden inner groove before installation. The three groups of fastening threaded holes are equally distributed in a circle and correspond one by one to the positions of the three groups of hidden inner grooves.

[0011] As a preferred embodiment, a group of mounting grooves are provided on both left and right sides of the mounting shaft seat, the mounting plate and the mounting grooves are interlocked, and an outer ring seat is provided on the lower surface of the mounting plate at one end away from the center of the mounting shaft seat.

[0012] As a preferred embodiment, an engaging circular groove is provided outside the engaging circular seat, and an installation slider is provided below the outer ring seat. The left side of the installation slider is vertically penetrated to form an installation screw hole, and the installation screw holes at the left and right ends have opposite rotation directions;

[0013] A mounting screw rod is arranged inside the mounting screw hole, and the threads at both ends of the mounting screw rod have opposite rotation directions and are matched with the threads of the mounting screw hole.

[0014] As a preferred embodiment, a driven gear is provided in the middle position of the outer side surface of the mounting screw, a driving gear is provided below the driven gear, the driving gear and the driven gear are meshed with each other, a micro motor is provided on the left side of the driving gear, and the rotation of the mounting screw drives the two sets of mounting slide blocks to move so that the mounting plate is embedded in the inner side of the mounting groove, thereby enabling the device to be conveniently installed.

[0015] After adopting the above technical scheme, the beneficial effects of the utility model are as follows: by adding the installation device body and the fastening stud, the fastening seat at the lower end of the centrifuge shaft is embedded in the inner side of the shaft hole, so that the fastening groove corresponds to the position of the fastening block, and the fastening stud is screwed into the fastening threaded hole to push the fastening slider inward, so that the fastening slider slides in the fastening slide groove and then embeds the fastening block in the fastening groove, thereby achieving the effect of never loosening during the service life of the centrifuge, and by adding the installation device body, the interlocking round seat and the interlocking round groove are interlocked with each other, and the rotation of the installation screw drives the two sets of installation sliders to move so that the installation plate is embedded in the inner side of the installation groove, so that the device can be conveniently installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 The utility model is a schematic diagram of the overall structure of a flat centrifuge shaft latch that is easy to install and never loosens.

[0018] Figure 2 The utility model is a schematic diagram of the upper part of the structure of the main body of the installation device of the flat centrifuge shaft latch permanent loosening device which is easy to install.

[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0020] Figure 4 The utility model is a schematic diagram of the lower part of the structure of the installation device body in the convenient installation flat centrifuge shaft latch permanent loosening device.

[0021] In the figure, 100-installation device body, 101-shaft seat, 102-shaft hole, 103-fastening slide groove, 104-fastening slider, 105-fastening ring seat, 106-fastening block, 107-hidden inner groove, 108-fastening threaded hole, 109-installation shaft seat, 110-installation groove, 111-fitting round seat, 112-outer ring seat, 113-installation plate, 114-installation slider, 115-installation screw, 116-driven gear, 117-driving gear;

[0022] 200- Fastening studs. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 4The utility model provides a technical solution: a flat centrifuge shaft latch that is easy to install and never loosens, comprising: an installation device body 100, an axle seat 101 and a fastening stud 200, and the upper end of the installation device body 100 is provided with an axle seat 101 for installing the centrifuge shaft;

[0025] The outer side of the shaft seat 101 is provided with three groups of fastening threaded holes 108 for installing fastening studs 200, and the inner side of the fastening threaded holes 108 is provided with fastening studs 200 for squeezing and fastening the slider 104;

[0026] An installation shaft seat 109 is provided below the shaft seat 101 , and an engaging round seat 111 for convenient installation is provided below the installation shaft seat 109 . A set of installation plates 113 for engaging with the installation groove 110 are provided on both sides of the installation shaft seat 109 .

[0027] An axial hole 102 for installing the centrifuge shaft is formed on the upper surface of the shaft seat 101 . Three groups of fastening grooves 103 equally distributed in a circle are formed on the upper surface of the lower end of the shaft hole 102 . A fastening slider 104 is formed inside the fastening groove 103 .

[0028] The fastening slider 104 and the fastening groove 103 are movably engaged with each other. A fastening ring seat 105 is provided above the fastening slider 104 near the center end of the shaft seat 101, and a fastening block 106 is provided below the fastening ring seat 105, so that the fastening slider 104 can slide inside and outside the fastening groove 103, which can facilitate the guidance of the fastening block 106.

[0029] A centrifuge shaft is arranged outside the inner side of the shaft hole 102 and a fastening seat is arranged at the lower end thereof, a fastening groove is opened on the outer side of the fastening seat, the fastening block 106 is interlocked with the fastening groove, the fastening ring seat 105 is interlocked with the fastening seat, so that the fastening block 106 is embedded in the fastening groove, and the upper end is pressed by the fastening ring seat 105, which can achieve the effect of never loosening.

[0030] The inner side of the shaft seat 101 is provided with three groups of hidden inner grooves 107 which are equally distributed around the circumference. The fastening slider 104 is hidden inside the hidden inner groove 107 before installation. The three groups of fastening threaded holes 108 are equally distributed around the circumference and correspond one to one with the positions of the three groups of hidden inner grooves 107 .

[0031] See also Figure 1-Figure 4, as the first embodiment of the utility model: first, the user embeds the fastening seat at the lower end of the flat centrifuge shaft into the inner side of the shaft hole 102, and then makes its fastening groove correspond to the position of the fastening block 106. Secondly, the user screws the fastening stud 200 into the fastening threaded hole 108, so that it pushes the fastening slider 104 inward, so that the fastening slider 104 slides in the fastening groove 103 and then embeds the fastening block 106 into the fastening groove, and the upper end is pressed by the fastening ring seat 105. The three groups of fastening blocks 106 and the fastening ring seat 105 fasten and fix the centrifuge shaft from three directions of the circumference, so as to achieve the effect of never loosening during the service life of the centrifuge.

[0032] A group of mounting grooves 110 are provided on both the left and right sides of the mounting shaft seat 109 , and the mounting plate 113 is interlocked with the mounting grooves 110 . An outer ring seat 112 is provided on the lower surface of the mounting plate 113 away from the center of the mounting shaft seat 109 .

[0033] An engaging circular groove is provided outside the engaging circular seat 111, and an installation slider 114 is provided below the outer ring seat 112. The left side of the installation slider 114 is vertically penetrated to form an installation screw hole, and the installation screw holes at the left and right ends have opposite rotation directions;

[0034] A mounting screw rod 115 is disposed inside the mounting screw hole. The threads at both ends of the mounting screw rod 115 have opposite rotation directions and are matched with the threads of the mounting screw hole.

[0035] A driven gear 116 is provided in the middle of the outer side surface of the mounting screw 115, and a driving gear 117 is provided below the driven gear 116. The driving gear 117 is meshed with the driven gear 116, and a micro motor is provided on the left side of the driving gear 117. The rotation of the mounting screw 115 drives the two sets of mounting slide blocks 114 to move so that the mounting plate 113 is embedded in the inner side of the mounting groove 110, so that the device can be easily installed.

[0036] See also Figure 1-Figure 2 and Figure 4 , as the second embodiment of the utility model: based on the above-mentioned first embodiment, when installing the device, the user only needs to embed the engaging round seat 111 into the engaging round groove so that the mounting groove 110 corresponds to the position of the mounting plate 113, and then start the micro motor to drive the driving gear 117 to rotate, so that the driving gear 117 engages with the driven gear 116 and drives the driven gear 116 to rotate, and then the mounting screw 115 rotates to drive the two sets of mounting sliders 114 to move so that the mounting plate 113 is embedded in the inner side of the mounting groove 110, and the outer ring seat 112 and the engaging round seat 111 are engaged with each other, so that the device can be easily installed.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A convenient installation flat centrifuge shaft latch never loose device, comprising: The mounting device body (100), the shaft seat (101) and the fastening stud (200) are characterized in that: the upper end of the mounting device body (100) is provided with a shaft seat (101) for mounting the centrifuge shaft; The outer side surface of the shaft seat (101) is provided with three groups of fastening threaded holes (108) for installing fastening studs (200), and the inner side of the fastening threaded holes (108) is provided with fastening studs (200) for squeezing and fastening the sliding block (104); An installation shaft seat (109) is provided below the shaft seat (101), and an engaging round seat (111) for convenient installation is provided below the installation shaft seat (109). A group of installation plates (113) for engaging with the installation groove (110) are provided on both left and right sides of the installation shaft seat (109).

2. A flat plate centrifuge shaft latching device that is easy to install and never loosens as claimed in claim 1, characterized in that: The upper surface of the shaft seat (101) is provided with a shaft hole (102) for installing the centrifuge shaft, the upper surface of the lower end of the shaft hole (102) is provided with three groups of fastening grooves (103) equally distributed in a circumference, and a fastening sliding block (104) is provided inside the fastening groove (103).

3. A flat plate centrifuge shaft latching device that is easy to install and never loosens as claimed in claim 2, characterized in that: The fastening slider (104) and the fastening slide groove (103) are movably engaged with each other, a fastening ring seat (105) is provided above the fastening slider (104) at one end near the center of the shaft seat (101), and a fastening block (106) is provided below the fastening ring seat (105).

4. A flat plate centrifuge shaft latching device that is easy to install and never loosens as claimed in claim 3, characterized in that: A centrifuge shaft is arranged outside the inner side of the shaft hole (102) and a fastening seat is arranged at the lower end thereof. A fastening groove is arranged on the outer side of the fastening seat. The fastening block (106) is engaged with the fastening groove, and the fastening ring seat (105) is engaged with the fastening seat.

5. A flat plate centrifuge shaft latching device that is easy to install and never loosens as claimed in claim 4, characterized in that: The inner side surface of the shaft seat (101) is provided with three groups of hidden inner grooves (107) equally distributed in a circle, the fastening slider (104) is hidden inside the hidden inner groove (107) before installation, and the three groups of fastening threaded holes (108) are equally distributed in a circle and correspond one to one with the positions of the three groups of hidden inner grooves (107).

6. A flat plate centrifuge shaft latching device that is easy to install and never loosens as claimed in claim 1, characterized in that: A group of mounting grooves (110) are provided on both left and right sides of the mounting shaft seat (109), the mounting plate (113) and the mounting grooves (110) are interlocked with each other, and an outer ring seat (112) is provided on the lower surface of the mounting plate (113) at one end away from the center of the mounting shaft seat (109).

7. A flat plate centrifuge shaft latching device that is easy to install and never loosens as claimed in claim 6, characterized in that: An engaging circular groove is provided outside the engaging circular seat (111) below, and an installation slider (114) is provided below the outer ring seat (112). The left side of the installation slider (114) is vertically penetrated to form an installation screw hole, and the installation screw holes at the left and right ends have opposite rotation directions. A mounting screw rod (115) is arranged inside the mounting screw hole. The screw threads at both ends of the mounting screw rod (115) have opposite rotation directions and are matched with the screw threads of the mounting screw hole.

8. A flat plate centrifuge shaft latching device that is easy to install and never loosens as claimed in claim 7, characterized in that: A driven gear (116) is provided at the middle position of the outer side surface of the mounting screw rod (115), a driving gear (117) is provided below the driven gear (116), the driving gear (117) and the driven gear (116) are meshed with each other, and a micro motor is provided on the left side of the driving gear (117).

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