CN212965029U

CN212965029U - Flip pushes down little needle testing arrangement of formula

Info

Publication number: CN212965029U
Application number: CN202021007410.6U
Authority: CN
Inventors: 黄庆云
Original assignee: TRANTEST PRECISION (CHINA) Ltd
Current assignee: TRANTEST PRECISION (CHINA) Ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-04-13
Anticipated expiration: 2030-06-04

Abstract

The utility model belongs to the technical field of test fixture, and discloses a flip down-pressing type microneedle test device, which comprises an upper cover, a base and a knob, wherein one ends of the upper cover and the base are hinged with each other, and the other ends of the upper cover and the base are provided with a locking component to realize connection; when the upper cover and the base are closed, a cavity for placing a product to be tested is arranged between the upper cover and the base; the upper cover is provided with a threaded hole, and the knob protrudes out of the surface of the upper cover and can be screwed into or out of the cavity through the threaded hole; and a positioning hole for placing the probe is formed in the bottom of the cavity. The technical effects are as follows: the knob is movably connected with the upper cover, force loading can be realized through rotation of the knob, and the loading mode enables pressure to be more controllable and stable.

Description

Flip pushes down little needle testing arrangement of formula

Technical Field

The utility model belongs to the technical field of test fixture, a flip pushes down formula micropin testing arrangement is related to.

Background

The existing technology is limited by the structure, when a product to be detected is pressed down by a pressing block, the pressing block is not completely vertical to the product to be detected, the product to be detected is easy to shift due to horizontal component force, and the product to be detected is easy to be scratched and a probe is quickly abraded by the horizontal component force.

Disclosure of Invention

An object of the utility model is to prior art not enough, provide a flip pushes down formula micropin testing arrangement, adopt screw thread screw in and the mode of back-out to carry out loading pressure, the direction of loading pressure is more controllable and steady. In order to achieve the above purpose, the utility model adopts the following technical scheme:

a flip down-pressing type microneedle testing device comprises an upper cover, a base and a knob, wherein one ends of the upper cover and the base are hinged with each other, and the other ends of the upper cover and the base are provided with a locking component for realizing connection; when the upper cover and the base are closed, a cavity for placing a product to be tested is arranged between the upper cover and the base; the upper cover is provided with a threaded hole, and the knob protrudes out of the surface of the upper cover and can be screwed into or out of the cavity through the threaded hole; and a positioning hole for placing the probe is formed in the bottom of the cavity.

Furthermore, the lock catch assembly comprises a lock catch, the middle of the lock catch is hinged to the upper cover, a lock hook is arranged at the first end of the lock catch and can be connected with the base, the second end of the lock catch is connected with a locking elastic piece, and the locking elastic piece has elastic force for pushing the lock hook to lock the base.

Furthermore, the knob is fixedly connected with a screw rod matched with the threaded hole, and the screw rod can be driven to rotate in or out of the cavity when the knob rotates.

Furthermore, an upper reinforcing plate is fixedly arranged at one end, facing the cavity, of the screw, a plane needle roller bearing capable of freely rotating is arranged between the upper reinforcing plate and the screw, and a pressing plate is arranged on one side, opposite to the screw, of the upper reinforcing plate.

Further, the upper cover is provided with a positioning column or a positioning groove, the knob is provided with a positioning groove or a positioning column, the upper cover is movably connected with the knob through the positioning groove and the positioning column, the positioning groove is arc-shaped, and the positioning column can be wedged into the positioning groove.

Furthermore, the threaded hole is vertically formed.

Furthermore, one end of the upper cover and one end of the base are hinged through a first hinged shaft, the outer edge of the first hinged shaft is wound by a torsion spring, and the torsion spring has elastic force for promoting the upper cover and the base to be away from each other.

Furthermore, the middle part of base is equipped with first logical groove, place the limiting plate in the first logical groove, the limiting plate middle part is equipped with the second logical groove of placing the product that awaits measuring.

Furthermore, the bottom of the first through groove is sealed by a needle plate, the needle plate is provided with the positioning hole, and the positioning hole is communicated with the second through groove.

Furthermore, the bottom of faller is equipped with no line board and lower reinforcing plate in proper order.

The utility model has the advantages that:

the utility model discloses a flip down-pressing type microneedle testing device, which comprises an upper cover, a base and a knob, wherein one ends of the upper cover and the base are hinged with each other, and the other ends of the upper cover and the base are provided with a locking component to realize connection; when the upper cover and the base are closed, a cavity for placing a product to be tested is arranged between the upper cover and the base; the upper cover is provided with a threaded hole, and the knob protrudes out of the surface of the upper cover and can be screwed into or out of the cavity through the threaded hole; and a positioning hole for placing the probe is formed in the bottom of the cavity. The technical effects are as follows: the knob is movably connected with the upper cover, force loading can be realized through rotation of the knob, and the loading mode enables pressure to be more controllable and stable.

Drawings

FIG. 1 is a schematic cross-sectional view of a flip-top, push-down microneedle test device, in which the top cover and the base are in mutual engagement and locked;

fig. 2 is a schematic perspective view of a flip-top push-down microneedle testing device, in which the upper cover and the base are unlocked and then opened;

FIG. 3 is an exploded view of a flip-top push-down microneedle test set;

FIG. 4 is a schematic perspective view of a flip-top push-down microneedle test device;

fig. 5 is a schematic side view of a flip-top push-down microneedle testing apparatus, in which the upper cover and the base are unlocked and then opened;

fig. 6 is a schematic structural view of the limiting column and the limiting groove on the knob matching with each other.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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 to 6, a flip-top down-pressing type microneedle testing device comprises an upper cover 2, a base 4 and a knob 1, wherein one ends of the upper cover 2 and the base 4 are hinged to each other, and the other ends of the upper cover and the base 4 are provided with a locking component to realize connection; when the upper cover 2 and the base 4 are closed, a cavity for placing a product to be tested is arranged between the upper cover and the base; the upper cover 2 is provided with a threaded hole, and the knob 1 protrudes out of the surface of the upper cover and can be screwed into or out of the cavity through the threaded hole; the bottom of the cavity is provided with a positioning hole 501 for placing a probe. In an embodiment, the threaded hole is vertically opened.

When the device is used, a product 18 to be tested is placed in the cavity, the knob 1 is rotated to apply pressure to the product 18 to be tested in the cavity, and the probe is arranged at the bottom of the cavity, so that the knob 1 is rotated to apply pressure to the product 18 to be tested, and the product 18 to be tested and the probe are extruded mutually.

Referring to fig. 1, 3 and 5, in an embodiment, the latch assembly includes a latch 9, a middle portion of the latch 9 is hinged to the upper cover 2, a first end of the latch 9 is provided with a latch hook 901, the latch hook 901 is connectable to the base 4, a second end of the latch 9 is connected to a locking elastic member 8, and the locking elastic member 8 has an elastic force that pushes the latch hook 901 to lock the base 4. When no artificial force is applied, the elastic element 8 applies an elastic force to the latch 9, specifically, an elastic force pushing the latch 9 away from the upper cover 2, and on the basis of the lever principle, the latch hook 901 on the other end (opposite to the position where the elastic element 8 is located) of the latch 9 moves toward the base 4.

In the embodiment, the middle of the lock catch 9 is hinged to the upper cover 2 through a second hinge shaft 15.

In the embodiment, the base 4 is fixedly connected to the latch plate 10 at a position close to the latch hook 901, and the latch plate 10 and the latch 901 are hung on the latch plate to be detachably connected.

In an embodiment, the elastic member 8 is a metal spring.

In other embodiments, the elastic member 8 may also be an elastic sheet or a flexible block having elasticity.

Referring to fig. 1, in an embodiment, the knob 1 is fixedly connected to a screw rod 6 that is matched with the threaded hole, and when the knob 1 rotates, the screw rod 6 can be driven to rotate into or out of the cavity.

Referring to fig. 1 to 3, in an embodiment, an upper reinforcing plate 21 is fixedly arranged at one end of the screw rod 6 facing the cavity, a freely rotatable planar needle bearing 20 is arranged between the upper reinforcing plate 21 and the screw rod 6, and a pressing plate 17 is arranged on one side of the upper reinforcing plate 21 opposite to the screw rod 6.

In the embodiment, the knob 1 and the screw 6 are connected by four bolts 7,

in other embodiments, the knob 1 and the screw 6 may be welded, glued, abutted or fixedly connected.

In other embodiments, the screw 6 is integrally formed with the knob 1.

Referring to fig. 3 and 6, in the embodiment, the upper cover 2 is provided with a positioning column or a positioning groove, the knob 1 is provided with a positioning groove or a positioning column, the upper cover 2 and the knob 1 are movably connected through the positioning groove and the positioning column, the positioning groove is arc-shaped, and the positioning column can be wedged into the positioning groove. In an embodiment, one end of the positioning column 19 can slide in a positioning groove 101 disposed on the knob 1, and the other end of the positioning column 19 is wedged into the upper cover 2 and fixed to each other, and since the positioning groove 101 is arc-shaped, the angle of rotation of the knob 1 relative to the upper cover 2 depends on the length of the positioning groove 101. In this way, the knob 1 is not excessively screwed in or out.

In other embodiments, the positioning groove may be disposed on the upper cover 2, and the positioning column is fixed on the knob 1.

In other embodiments, one end of the positioning column may be integrally formed with the upper cover 2 or the knob 1, and is represented as a convex portion on the upper cover 2 or the knob 1.

Referring to fig. 1, in an embodiment, one end of the upper cover 2 and one end of the base 4 are hinged by a first hinge shaft 14, an outer edge of the first hinge shaft 14 is wound with a torsion spring 3, and the torsion spring 3 has an elastic force urging the upper cover 2 and the base 4 away from each other. Therefore, once the latch assembly is unlocked 1, the upper cover 4 is automatically flipped up under the force of the torsion spring 3.

Referring to fig. 1 to 3, in an embodiment, a first through groove 401 is disposed in the middle of the base 4, a limiting plate 16 is disposed in the first through groove 401, and a second through groove for disposing a product to be tested is disposed in the middle of the limiting plate 16, in an embodiment, the bottom of the first through groove 401 is sealed by a needle plate 5, the needle plate 5 is provided with the positioning hole 501, and the positioning hole 501 is communicated with the second through groove.

In an embodiment, 4 second elastic members 13 are disposed between the limiting plate 16 and the upper reinforcing plate 21.

In the embodiment, the needle plate 5 is provided with a wireless plate 11 and a lower reinforcing plate 12 at the bottom in sequence. The needle plate is provided with at least one positioning column or a fixed convex part which is matched with a product to be detected.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A flip downward-pressing type microneedle testing device is characterized by comprising an upper cover (2), a base (4) and a knob (1), wherein one ends of the upper cover (2) and the base (4) are hinged with each other, and the other ends of the upper cover and the base are provided with a locking component to realize connection; when the upper cover (2) and the base (4) are closed, a cavity for placing a product to be tested is arranged between the upper cover and the base; the upper cover (2) is provided with a threaded hole, and the knob (1) protrudes out of the surface of the upper cover and can be screwed into or out of the cavity through the threaded hole; and a positioning hole (501) for placing a probe is formed in the bottom of the cavity.

2. The flip-cover down-pressing type microneedle testing device according to claim 1, wherein the locking assembly comprises a locking buckle (9), the middle of the locking buckle (9) is hinged to the upper cover (2), a locking hook (901) is arranged at a first end of the locking buckle (9), the locking hook (901) can be connected to the base (4), a locking elastic member (8) is connected to a second end of the locking buckle (9), and the locking elastic member (8) has an elastic force for pushing the locking hook (901) to lock the base (4).

3. The flip down-pressing type microneedle testing device according to claim 2, wherein the knob (1) is fixedly connected to a screw rod (6) which is matched with the threaded hole, and the screw rod (6) can be driven to rotate into or out of the cavity by the rotation of the knob (1).

4. The flip down-pressing type microneedle testing device according to claim 3, wherein an upper reinforcing plate (21) is fixedly arranged at one end of the screw (6) facing the cavity, a freely rotatable planar needle bearing (20) is arranged between the upper reinforcing plate (21) and the screw (6), and a pressing plate (17) is arranged on one side of the upper reinforcing plate (21) opposite to the screw (6).

5. The flip down-pressing type microneedle testing device according to claim 1, wherein the upper cover (2) is provided with a positioning column or a positioning groove, the knob (1) is provided with a positioning groove or a positioning column, the upper cover (2) and the knob (1) are movably connected through the positioning groove and the positioning column, the positioning groove is arc-shaped, and the positioning column can be wedged into the positioning groove.

6. The flip down-pressing microneedle testing device of claim 1, wherein the threaded hole is vertically formed.

7. The flip-cover push-down type microneedle testing device according to claim 1, wherein one end of the upper cover (2) and the base (4) is hinged through a first hinge shaft (14), an outer edge of the first hinge shaft (14) is wound around a torsion spring (3), and the torsion spring (3) has an elastic force urging the upper cover (2) and the base (4) to be away from each other.

8. The flip downward-pressing type microneedle testing device according to claim 1, wherein a first through groove (401) is formed in the middle of the base (4), a limiting plate (16) is placed in the first through groove (401), and a second through groove for placing a product to be tested is formed in the middle of the limiting plate.

9. The flip-cover press-down type microneedle testing device according to claim 8, wherein a bottom of the first through groove (401) is closed by a needle plate (5), the needle plate (5) is provided with the positioning hole (501), and the positioning hole (501) communicates with the second through groove.

10. The flip down-pressing type microneedle testing device according to claim 9, wherein a wireless board (11) and a lower reinforcing board (12) are sequentially provided at the bottom of the needle plate (5).