CN211718099U

CN211718099U - Movable positioning pressure head elastic sheet and positioning mechanism using same

Info

Publication number: CN211718099U
Application number: CN201922266735.XU
Authority: CN
Inventors: 郝书顺; 戴兴刚
Original assignee: Shijiazhuang Hipro Biotechnology Co Ltd
Current assignee: Shijiazhuang Hipro Biotechnology Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-10-20
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to a movable positioning pressure head shell fragment and use positioning mechanism of this shell fragment, the shell fragment includes the S-shaped shell fragment and the lower S-shaped shell fragment that is connected with the S-shaped shell fragment of last, the S-shaped shell fragment of last includes spacing face A and spacing face B that the angle set up, the curved surface A of being connected with the lower extreme of spacing face B, the support surface A of being connected with the lower extreme of curved surface A and the curved surface B of being connected with support surface A other end, S-shaped shell fragment is connected with curved surface B down; the utility model discloses spacing face A and spacing face B that are located the top withhold two inclined planes of location pressure head afterbody respectively, and the tension of two spacing faces lets the location pressure head receive external force to drive when rotatory, can control slope and gear respectively and keep closed and open two kinds of states, and the conversion that the flexible location pressure head was closed and was opened is realized.

Description

Movable positioning pressure head elastic sheet and positioning mechanism using same

Technical Field

The utility model relates to a moving part of full-automatic immunoassay system instrument that medical treatment class was used, especially a positioning mechanism of activity location pressure head shell fragment and use this shell fragment.

Background

The full-automatic immunoassay system instrument, namely a specific protein analyzer, consists of a light absorption test module, a scattering test module, a fluorescence test module, a motion module, a data transmission interface and a printer. The motion module comprises a left gearwheel assembly and a right gearwheel assembly, and the left gearwheel assembly and the right gearwheel assembly comprise a right gearwheel, a left gearwheel, a positioning pressure head, a pressure head elastic sheet and the like. The instrument can be used for quantitatively detecting one or more specific proteins in a human body biological sample by a nephelometry method, a fluorescence method and a transmission method. Is used for medical and health institutions such as hospitals, clinics, emergency treatment centers, disease control centers, health care centers, subdivision departments and the like. The application population is patients needing biological sample diagnosis and detection, such as adults, pregnant women, children, newborns and the like.

The structure of the current movement module is shown in the attached figures 1 and 2, a clamping groove 18 is arranged on the side surface of a gear 14, a pressure head spring 17 is arranged in the clamping groove 18, a positioning ejector rod 16 is arranged at the top of the pressure head spring 17 and is contacted with a positioning pressure head 15, the bottom end of the positioning pressure head 15 is provided with two inclined surfaces with a certain angle, and the two inclined surfaces are respectively contacted with the positioning ejector rod 16 under different movement states of the positioning pressure head 15. In this structure, pressure head spring 17 cooperatees with location ejector pin 16 and just can realize the location, because location ejector pin 16 is square, under pressure head spring 17's effect, location ejector pin 16 can incline when sliding from top to bottom in the draw-in groove 18 that is the square hole and produce the moment of torsion, lead to having the crooked card of receiving even with the draw-in groove 18 inner wall of gear, and the upper and lower activity (slip) that fail to be smooth, when location pressure head 15 horizontal hunting, also can make location ejector pin 16 control crooked and the draw-in groove 18 inner wall of gear 14 have the rigid contact and receive the card simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a move stably is provided, can realize the flexible closed and the positioning mechanism who opens the activity location pressure head shell fragment of conversion of location pressure head and use this shell fragment.

The utility model adopts the technical proposal that: the utility model provides a movable positioning pressure head shell fragment, its includes S-shaped shell fragment and the lower S-shaped shell fragment that is connected with last S-shaped shell fragment, go up S-shaped shell fragment including the spacing face A and the spacing face B that the angle set up, the crooked face A of being connected with the lower extreme of spacing face B, the holding surface A of being connected with the lower extreme of crooked face A and the crooked face B of being connected with holding surface A other end, S-shaped shell fragment is connected with crooked face B down.

Furthermore, the limiting surface A and the limiting surface B are in smooth transition connection through a curved surface C.

Furthermore, an arc-shaped limiting surface C is arranged at the outer side end of the limiting surface A.

Further, the lower S-shaped elastic piece comprises a supporting surface B connected with the curved surface B, a curved surface D connected with the other end of the supporting surface B, a supporting surface C connected with the lower end of the curved surface D, a curved surface E connected with the other end of the supporting surface C, and a reference surface connected with the lower end of the curved surface E.

Furthermore, a bent limiting surface D is arranged at the other end of the reference surface.

Furthermore, the bottom of the lower S-shaped elastic sheet is a plane.

The utility model provides an use positioning mechanism of activity location pressure head shell fragment, its includes the gear and sets up the draw-in groove on the gear, and activity location pressure head shell fragment sets up in the draw-in groove, and spacing face A and spacing face B are used for contacting with the location pressure head.

Furthermore, lower S-shaped shell fragment is located the draw-in groove, and spacing face D, crooked face E, crooked face D contact with the draw-in groove inside wall that corresponds respectively, and the reference surface contacts with the diapire of draw-in groove.

Furthermore, a cavity for placing the positioning pressure head is formed in the gear, and the bending surface A and the limiting surface C are respectively in contact with the corresponding side walls of the cavity.

Furthermore, the thickness of the movable positioning pressure head elastic sheet is matched with that of the clamping groove.

The utility model discloses an actively the effect does: the utility model discloses spacing face A and spacing face B that are located the top withhold two inclined planes of location pressure head afterbody respectively, and the tension of two spacing faces lets the location pressure head receive external force to drive when rotatory, can control slope and gear respectively and keep closed and open two kinds of states, and the conversion that the flexible location pressure head was closed and was opened is realized. The limiting surface C is used for limiting the elastic sheet to incline rightwards integrally and can also be used as a smooth surface which is contacted with the side wall of the upper cavity of the gear in the process that the limiting surface A is pressed down by the positioning pressure head. The curved surfaces C, a, B, D, and E serve as bending functions when the spring is pressed.

Drawings

FIG. 1 is a schematic diagram of a prior art structure of the present invention;

FIG. 2 is a schematic view of a positioning ram according to the prior art of the present invention;

FIG. 3 is a schematic view of the structure of the flexible positioning pressing head spring plate of the present invention;

fig. 4 is a schematic structural diagram of the positioning mechanism of the present invention.

Detailed Description

As shown in the attached figure 3, the movable positioning pressure head elastic sheet of the utility model comprises an upper S-shaped elastic sheet and a lower S-shaped elastic sheet, wherein the bottom side end of the upper S-shaped elastic sheet is connected with the upper side end of the lower S-shaped elastic sheet to form a double S shape.

The upper S-shaped elastic piece comprises a limiting surface C1, a limiting surface A2, a bent surface C3, a limiting surface B4, a bent surface A5, a supporting surface A6 and a bent surface B7 which are sequentially connected, and the bent surface B7 is connected with the lower S-shaped elastic piece. The curved surface C3 is the arc for spacing face A2 and spacing face B4 are rounding off, and these two spacing faces are used for contacting with two faces of location pressure head bottom respectively, when the location pressure head switches over between two states, can guarantee to switch over very smoothly. Spacing face C1 is the arc, and when the installation of activity location pressure head, spacing face C1 contacted with the lateral wall of gear 14 upper chamber for the whole right slope that turns to of restriction shell fragment, also can regard as spacing face A to receive the smooth face of the in-process and the contact of gear upper chamber lateral wall that the location pressure head pushed down simultaneously.

The lower S-shaped elastic sheet comprises a supporting surface B8, a curved surface D9, a supporting surface C10, a curved surface E11, a reference surface 12 and a limiting surface D13 which are sequentially connected, and the supporting surface B8 is connected with the curved surface B7 of the upper S-shaped elastic sheet. The reference surface 12 is a flat surface and contacts the bottom wall of the card slot 18. Spacing face D13 is for having the curved surface of buckling, and its cooperation curved surface E11 realizes contacting with the lateral wall about draw-in groove 18 respectively, and curved surface D9 also contacts with the lateral wall of draw-in groove 18 simultaneously, through the contact of above 3 faces with the draw-in groove inner wall, realizes the overall positioning of shell fragment, prevents effectively that the shell fragment from taking place the offset in the draw-in groove, influences equipment normal use.

As shown in fig. 4, the positioning mechanism using the elastic sheet of the movable positioning pressure head includes a gear 14 and a slot 18 disposed on the gear 14, the elastic sheet of the movable positioning pressure head is disposed in the slot 18, and a limiting surface a2 and a limiting surface B4 are used for contacting with the positioning pressure head 15. The gear 14 is provided with a cavity for placing the positioning pressure head 15, and the curved surface A5 and the limiting surface C1 are respectively contacted with the corresponding cavity side wall.

The lower S-shaped elastic sheet is positioned in the clamping groove 18, the limiting surface D13, the curved surface E11 and the curved surface D9 are respectively contacted with the inner side wall of the corresponding clamping groove 18, and the reference surface 12 is contacted with the bottom wall of the clamping groove 18.

The utility model discloses when using, spacing face A2 and spacing face B4 contact with the corresponding face of location pressure head bottom respectively, withhold the afterbody of location pressure head, and the tension on these two inclined planes lets the location pressure head receive external force to drive when rotatory about can respectively incline and gear 14 keep closed and open two kinds of devices, and honor realizes the conversion that the location pressure head is closed and open. Meanwhile, the limiting surface C1 is in contact with the empty front side wall, so that the elastic sheet can be effectively limited to incline rightwards integrally, and the limiting surface C1 can also be used as a smooth surface which is in contact with the side wall of the cavity in the process that the limiting surface A2 is pressed down by the positioning pressure head. The bending surface C3, the bending surface A5, the bending surface B7, the bending surface D9 and the bending surface E11 are used as bending functions when the elastic sheet is pressed, the bending surface A5 also plays a limiting role to limit the elastic sheet to incline leftwards, and the bending surface A5 is also used as a smooth surface which is contacted with the inner wall of the cavity in the process that the limiting surface B4 is pressed by the positioning pressure head. The bending surface D9 also serves as a limiting function to limit the middle section of the elastic sheet to incline leftwards, and the bending surface E11 also serves as a limiting function to limit the bottom of the elastic sheet to move rightwards. The supporting surface A6, the supporting surface B8 and the supporting surface C10 play a role of bearing the bending of the elastic sheet. The reference surface 12 serves as a positioning reference of the elastic sheet and plays a role in stabilization. The limiting surface D13 limits the bottom of the elastic sheet to move leftwards. Meanwhile, the thickness of the elastic sheet of the movable positioning pressure head is matched with that of the clamping groove 18, so that the elastic sheet is prevented from inclining and deviating back and forth in the clamping groove 18.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides a movable positioning pressure head shell fragment, its characterized in that its includes S-shaped shell fragment and the lower S-shaped shell fragment that is connected with last S-shaped shell fragment, go up S-shaped shell fragment including the spacing face A (2) and spacing face B (4) that the angle set up, with crooked face A (5) that the lower extreme of spacing face B (4) is connected, with support face A (6) that the lower extreme of crooked face A (5) is connected and with crooked face B (7) that support face A (6) other end is connected, S-shaped shell fragment is connected with crooked face B (7) down.

2. The movable positioning pressure head shrapnel of claim 1, characterized in that the limiting surface A (2) and the limiting surface B (4) are connected in a smooth transition way through a curved surface C (3).

3. The movable positioning pressure head shrapnel according to the claim 1 or 2, characterized in that the outer side end of the limiting surface A (2) is provided with an arc-shaped limiting surface C (1).

4. The movable positioning pressure head elastic sheet according to claim 1, wherein the lower S-shaped elastic sheet comprises a supporting surface B (8) connected with the curved surface B (7), a curved surface D (9) connected with the other end of the supporting surface B (8), a supporting surface C (10) connected with the lower end of the curved surface D (9), a curved surface E (11) connected with the other end of the supporting surface C (10) and a reference surface (12) connected with the lower end of the curved surface E (11).

5. A movable positioning pressure head shrapnel according to claim 4, characterized in that the other end of the datum plane (12) is provided with a bent limiting surface D (13).

6. The movable positioning ram shrapnel of claim 1, wherein the bottom of the lower S-shaped shrapnel is a plane.

7. The utility model provides an use positioning mechanism of activity location pressure head shell fragment which characterized in that its includes gear (14) and draw-in groove (18) of setting on gear (14), and activity location pressure head shell fragment sets up in draw-in groove (18), and spacing face A (2) and spacing face B (4) are used for contacting with location pressure head (15).

8. The positioning mechanism using the elastic sheet of the movable positioning pressure head as claimed in claim 7, wherein the lower S-shaped elastic sheet is located in the slot (18), the limiting surface D (13), the curved surface E (11) and the curved surface D (9) are respectively contacted with the inner side wall of the corresponding slot (18), and the reference surface (12) is contacted with the bottom wall of the slot (18).

9. The positioning mechanism using the movable positioning pressure head elastic sheet according to claim 7, characterized in that a cavity for placing the positioning pressure head (15) is arranged on the gear (14), and the curved surface A (5) and the limiting surface C (1) are respectively contacted with the corresponding cavity side wall.

10. The positioning mechanism using the movable positioning pressure head elastic sheet according to claim 7, wherein the thickness of the movable positioning pressure head elastic sheet is matched with the thickness of the clamping groove (18).