Stable clamping jaw for sample pretreatment

Abstract

The utility model belongs to the technical field of clamping jaws, and discloses a stable clamping jaw for sample pretreatment, which comprises a protective shell, the inner side of the protective shell is connected with a driving source, the power output end of the driving source is in power connection with a transmission gear, and the surface of the transmission gear is in meshed connection with two rack plates. The surface of one rack plate is connected with a first clamping jaw, the surface of the other rack plate is connected with a second clamping jaw, and the surface of the first clamping jaw and the surface of the second clamping jaw are each provided with a supporting assembly and an auxiliary assembly. And a hinge rod provides supporting force for the first clamping jaw and the second clamping jaw under the hinge action of a first hinge seat and a second hinge seat, and a sliding plate moves along with the hinge rod to further improve the stability of the first clamping jaw and the second clamping jaw during sample clamping.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of clamping jaw, specifically a kind of clamping stable clamping jaw for sample pretreatment. BACKGROUND

[0002] Ophthalmic examination is the general examination of eye, including eye accessory and eye front segment examination, eye accessory examination includes eyelid, conjunctiva, lacrimal apparatus, eyeball position and orbit examination, usually need to use ophthalmic instrument to sample examination, and the use of ophthalmic instrument also cannot leave clamping jaw clamping, so the stability of clamping jaw used is particularly important.

[0003] Meanwhile, the clamping jaw with application number CN202323542522.8 includes right clamping jaw, left clamping jaw, cam and main frame, the main frame is "Y" type structure, the middle part of the right clamping jaw is hinged with the front end right part of the main frame, the middle part of the left clamping jaw is hinged with the front end left part of the main frame, the cam is oval structure, the cam is rotationally fitted in the middle part of the main frame, and the cam is located between the right clamping jaw and the left clamping jaw.

[0004] However, in the implementation of the related technology, it is found that the above-mentioned has the following problems: it does not set up auxiliary support structure, but the clamping jaw needs to be opened and closed when using, if the limiting structure is not set, the clamping jaw lacks certain supporting force and is easy to shake, thereby affecting the effect of sample processing. UTILITY MODEL CONTENT

[0005] To solve the problems in the above background art, the utility model provides a clamping stable clamping jaw for sample pretreatment, which has the advantages of providing good supporting force for the clamping jaw and avoiding shaking of the clamping jaw.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a clamping stable clamping jaw for sample pretreatment, including protective shell, the inner side of the protective shell is connected with driving source, the power output end of the driving source is power connected with transmission gear, the surface of the transmission gear is hingedly connected with two rack plates, the surface of one of the rack plates is connected with first clamping jaw, the surface of the other rack plate is connected with second clamping jaw, the surface of the first clamping jaw and the surface of the second clamping jaw are both provided with supporting assembly and auxiliary assembly;

[0007] The surfaces of two supporting assemblies are respectively connected with the surface of the first clamping jaw and the surface of the second clamping jaw, for supporting the first clamping jaw and the second clamping jaw to move in vertical direction.

[0008] The surfaces of two auxiliary assemblies are respectively connected with the surfaces of two rack plates, for providing supporting force.

[0009] Preferably, the two support assemblies each comprise a fixed plate, a first hinged seat and a second hinged seat, the two fixed plates are arranged on the surface of the protective shell, the inner side of the two fixed plates is connected with a fixed rod, the surface of the two fixed rods is slidably connected with a sliding plate, the two first hinged seats are arranged on the surface of the two sliding plates respectively, the surface of the two first hinged seats is hinged with a hinged rod, and the second hinged seat is arranged on the surface of the first clamping jaw and the surface of the second clamping jaw respectively.

[0010] Preferably, the surface of the two sliding plates is slidably attached to the inner wall of the two fixed plates respectively.

[0011] Preferably, the two second hinged seats are hinged with the two hinged rods respectively.

[0012] Preferably, the two auxiliary assemblies each comprise two sliding grooves and two connecting plates, the four sliding grooves are arranged on the inner wall of the protective shell, and the two connecting plates are arranged on the surface of each rack plate respectively.

[0013] Preferably, the surface of the corresponding sliding block is slidably attached to the inner side of the corresponding sliding groove.

[0014] Preferably, the movement track of the two rack plates is lifting movement in the vertical direction.

[0015] Preferably, the movement track of the first clamping jaw is opposite to that of the second clamping jaw.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1、 the utility model discloses a driving source drives the rotation of the transmission gear, and the two rack plates arranged in meshing are moved in opposite directions, so that the first clamping jaw and the second clamping jaw are opened and clamped respectively, and the hinged rod is inclined when the first clamping jaw and the second clamping jaw move, so that the support force is provided, and the sliding plate that is slidably attached to the inside of the fixed rod and the fixed plate also moves, thereby further improving the stability of the first clamping jaw and the second clamping jaw when clamping the sample.

[0018] 2、 the sliding block corresponding to the sliding groove avoids the offset of the rack plate when the transmission gear drives the rack plate to mesh transmission, thereby further providing stable support force for the first clamping jaw and the second clamping jaw, and avoiding the inclination of the first clamping jaw and the second clamping jaw. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model.

[0020] Figure 2 For the utility model Figure 1 A place amplification structure schematic view;

[0021] Figure 3 For the utility model side plane structure schematic view;

[0022] Figure 4 For the utility part structure schematic view one of the utility model;

[0023] Figure 5 For the utility part structure schematic view two of the utility model;

[0024] Figure 6 For the utility model local dispersion structure schematic view.

[0025] Figure: 1, protective shell;

[0026] 2, support assembly;21, fixed plate;22, fixed rod;23, sliding plate;24, first hinged seat;25, hinged rod;26, second hinged seat;

[0027] 3, auxiliary assembly;31, sliding groove;32, connecting plate;33, sliding block;

[0028] 4, drive source;5, transmission gear;6, rack plate;7, first clamp jaw;8, second clamp jaw. Specific implementation

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0030] As Figures 1 to 6 shown, the utility model provides a kind of clamping stable clamp jaw for sample pretreatment, including protective shell 1, the inside of protective shell 1 is connected with drive source 4, the power output end of drive source 4 is connected with transmission gear 5, the surface of transmission gear 5 is engaged with two rack plates 6, the surface of one of rack plate 6 is connected with first clamp jaw 7, the surface of another rack plate 6 is connected with second clamp jaw 8, the surface of first clamp jaw 7 and the surface of second clamp jaw 8 are equipped with support assembly 2 and auxiliary assembly 3;

[0031] The surfaces of the two support assemblies 2 are connected with the surfaces of the first clamping jaw 7 and the second clamping jaw 8 respectively for supporting the first clamping jaw 7 and the second clamping jaw 8 to move in the vertical direction.

[0032] The surfaces of the two auxiliary assemblies 3 are connected with the surfaces of the two rack plates 6 respectively for providing support force.

[0033] Specifically, the two support assemblies 2 each include a fixed plate 21, a first hinged seat 24 and a second hinged seat 26, the two fixed plates 21 are arranged on the surface of the protective shell 1, the inner side of the two fixed plates 21 is connected with a fixed rod 22, the surface of the two fixed rods 22 is slidingly connected with a sliding plate 23, the two first hinged seats 24 are arranged on the surface of the two sliding plates 23 respectively, the surface of the two first hinged seats 24 is hinged with a hinged rod 25, and the two second hinged seats 26 are arranged on the surface of the first clamping jaw 7 and the surface of the second clamping jaw 8.

[0034] Further, the surfaces of the two sliding plates 23 are slidingly fitted with the inner walls of the two fixed plates 21 respectively.

[0035] Still further, the two second hinged seats 26 are hinged with the two hinged rods 25 respectively.

[0036] It is worth noting that the two auxiliary assemblies 3 each include two sliding grooves 31 and two connecting plates 32, the four sliding grooves 31 are arranged on the inner wall of the protective shell 1, every two connecting plates 32 are arranged on the surface of each rack plate 6, and the surface of the four connecting plates 32 is connected with a plurality of sliding blocks 33.

[0037] It is worth noting that the surfaces of the corresponding sliding blocks 33 are slidingly fitted with the inner sides of the corresponding sliding grooves 31.

[0038] It is worth introducing that the movement trajectories of the two rack plates 6 are lifting movements in the vertical direction.

[0039] It is worth emphasizing that the movement trajectory of the first clamping jaw 7 is opposite to the movement trajectory of the second clamping jaw 8.

[0040] The first clamping jaw 7 and the second clamping jaw 8 are prior art and will not be described herein; meanwhile, the utility model also includes a power supply, a controller and a switch, which are not the main technical points of the patent and will not be described herein; the "front, rear, left and right" visual angle of the device is taken as the reference direction. Figure 1

[0041] ​Working principle: first drive source 4 drives the transmission gear 5 rotates, then will drive two rack plate 6 one up one down translation, then the first jaw 7 will drop, the second jaw 8 will move up, at this time the first jaw 7 and the second jaw 8 are in the open state, then the corresponding hinged rod 25 will be inclined under the hinged action of the corresponding first hinged seat 24 and second hinged seat 26, and drive the slide plate 23 to slide on the surface of the fixed rod 22 to provide the first jaw 7 and the second jaw 8 with moving support force, to avoid the first jaw 7 and the second jaw 8 from shaking during use, similarly, the drive source 4 drives the transmission gear 5 to reverse compared to before, which will drive the first jaw 7 and the second jaw 8 to approach to complete the clamping operation, similarly, the slide plate 23 will also slide on the surface of the fixed rod 22, and the hinged rod 25 will be inclined under the hinged action of the first hinged seat 24 and the second hinged seat 26 to provide support force for the first jaw 7 and the second jaw 8, because the sliding block 33 slides in the inner side of the sliding groove 31, so it also provides the first jaw 7 and the second jaw 8 with moving support force, so that the first jaw 7 and the second jaw 8 have good stability when cooperating with the ophthalmic instrument to process the sample.

[0042] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0043] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A clamping stabilizing jaw for sample pre-treatment, comprising a protective shell (1), characterized in that: The inner side of the protective shell (1) is connected with a driving source (4), the power output end of the driving source (4) is connected with a transmission gear (5), the surface of the transmission gear (5) is connected with two rack plates (6), the surface of one of the rack plates (6) is connected with a first clamping jaw (7), the surface of the other rack plate (6) is connected with a second clamping jaw (8), the surface of the first clamping jaw (7) and the surface of the second clamping jaw (8) are provided with support assemblies (2) and auxiliary assemblies (3). The surfaces of the two support assemblies (2) are connected with the surfaces of the first clamping jaw (7) and the second clamping jaw (8) respectively, so as to support the first clamping jaw (7) and the second clamping jaw (8) to move in the vertical direction. The surfaces of the two auxiliary assemblies (3) are connected with the surfaces of the two rack plates (6) respectively, so as to provide support force.

2. The clamping and stabilizing jaw for sample pre-treatment according to claim 1, characterized in that: The two support assemblies (2) each include a fixed plate (21), a first hinged seat (24) and a second hinged seat (26), the two fixed plates (21) are arranged on the surface of the protective shell (1), the inner sides of the two fixed plates (21) are connected with fixed rods (22), the surfaces of the two fixed rods (22) are slidably connected with sliding plates (23), the two first hinged seats (24) are arranged on the surfaces of the two sliding plates (23) respectively, the surfaces of the two first hinged seats (24) are hingedly connected with hinged rods (25), and the two second hinged seats (26) are arranged on the surfaces of the first clamping jaw (7) and the second clamping jaw (8) respectively.

3. A clamping and stabilizing jaw for sample pre-treatment according to claim 2, characterized in that: The surfaces of the two sliding plates (23) are slidably attached to the inner walls of the two fixed plates (21) respectively.

4. The clamping and stabilizing jaw for sample pre-treatment according to claim 2, characterized in that: The two second hinged seats (26) are hingedly connected with the two hinged rods (25) respectively.

5. The clamping and stabilizing jaw for sample pre-treatment according to claim 1, characterized in that: The two auxiliary assemblies (3) each include two sliding grooves (31) and two connecting plates (32), the four sliding grooves (31) are arranged on the inner wall of the protective shell (1), every two connecting plates (32) are arranged on the surface of each rack plate (6), and the surfaces of the four connecting plates (32) are connected with a plurality of sliding blocks (33).

6. A clamping and stabilizing jaw for sample pre-treatment according to claim 5, characterized in that: The surfaces of the corresponding sliding blocks (33) are slidably attached to the inner sides of the corresponding sliding grooves (31) respectively.

7. The clamping and stabilizing jaw for sample pre-treatment according to claim 1, characterized in that: The movement trajectories of the two rack plates (6) are lifting movements in the vertical direction.

8. The clamping and stabilizing jaw for sample pre-treatment according to claim 1, characterized in that: The movement trajectory of the first clamping jaw (7) is opposite to the movement trajectory of the second clamping jaw (8). The movement trajectory of the first clamping jaw (7) is opposite to the movement trajectory of the second clamping jaw (8).

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